/* ==========================================================================
   BKET — main.css (v2 · phong cách tối giản, nhiều khoảng trắng)
   Mobile-first. Breakpoints: Tablet ≥768px · Laptop ≥1024px · Desktop ≥1440px
   Mọi kích thước dùng rem → toàn bộ giao diện co giãn theo màn hình (xem inc/assets.php).
   Màu chủ đạo: Đỏ BKET #B81D24 + Xanh than #0F172A.
   ========================================================================== */

/* 1. TOKENS ---------------------------------------------------------------- */
:root {
	--bk-red: #b81d24;
	--bk-red-hover: #98171d;
	--bk-red-50: #fdf3f3;
	--bk-red-100: #fbe3e3;
	--bk-red-200: #f6c5c6;
	--bk-red-300: #f19a9d;
	--bk-red-400: #ec6a70;
	--bk-red-glow: rgba(184, 29, 36, .28);

	--bk-ink: #0f172a;
	--bk-ink-2: #1e293b;
	--bk-ink-3: #273449;
	--bk-night: #0a0f1d;
	--bk-navy: #141b2b;
	--bk-navy-2: #293040;
	--bk-steel: #4b5565;
	--bk-muted: #6b7280;
	--bk-faint: #9aa1ad;
	--bk-text: #2a2f38;

	--bk-white: #fff;
	--bk-paper: #fafaf9;
	--bk-mist: #f4f5f7;
	--bk-cloud: #eceef2;
	--bk-cream: #f1f3ff;
	--bk-gray-50: #f7f8fa;
	--bk-gray-100: #f1f3f6;
	--bk-gray-200: #e3e6eb;
	--bk-gray-300: #cdd2da;
	--bk-surface: #f9f9ff;
	--bk-surface-low: #f1f3ff;
	--bk-surface-mid: #e9edff;
	--bk-surface-high: #e1e8fd;
	--bk-border: #e3e6eb;
	--bk-line: rgba(15, 23, 42, .14);

	--bk-green: #10b981;
	--bk-green-50: #ecfdf5;
	--bk-cyan: #06b6d4;
	--bk-amber: #f59e0b;
	--bk-blue: #3b82f6;

	/* Pastel (thẻ ESG) */
	--bk-tint-red: #fbe9e9;
	--bk-tint-green: #e3efe8;
	--bk-tint-blue: #e3e9f6;
	--bk-tint-amber: #f8efdc;
	--bk-tint-gray: #eceef2;

	--bk-font: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

	/* Thang chữ co giãn */
	--bk-fs-xs: .75rem;
	--bk-fs-sm: clamp(.875rem, .85rem + .1vw, .9375rem);
	--bk-fs-base: clamp(.9688rem, .94rem + .14vw, 1.0625rem);
	--bk-fs-md: clamp(1.0313rem, .98rem + .25vw, 1.1875rem);
	--bk-fs-lead: clamp(1.1875rem, 1rem + .9vw, 1.6875rem);
	--bk-fs-h4: clamp(1.0625rem, 1rem + .3vw, 1.25rem);
	--bk-fs-h3: clamp(1.25rem, 1.08rem + .8vw, 1.75rem);
	--bk-fs-h2: clamp(1.875rem, 1.25rem + 2.7vw, 3.5rem);
	--bk-fs-h1: clamp(2.375rem, 1.35rem + 4.2vw, 5rem);
	--bk-fs-display: clamp(2.75rem, 1.5rem + 5.2vw, 6rem);

	--bk-gutter: clamp(1.25rem, .6rem + 2.6vw, 2.5rem);
	--bk-container: 80rem;
	--bk-section-y: clamp(4.5rem, 2.8rem + 6.6vw, 9rem);
	--bk-radius-xs: .375rem;
	--bk-radius-sm: .625rem;
	--bk-radius: 1rem;
	--bk-radius-lg: 1.5rem;
	--bk-radius-xl: 2rem;
	--bk-shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
	--bk-shadow: 0 1.25rem 2.5rem -1.5rem rgba(15, 23, 42, .22);
	--bk-shadow-lg: 0 2rem 4rem -2rem rgba(15, 23, 42, .32);
	--bk-shadow-red: 0 1.25rem 2.5rem -1.25rem rgba(184, 29, 36, .28);
	--bk-ease: cubic-bezier(.22, 1, .36, 1);
	--bk-ease-io: cubic-bezier(.65, 0, .35, 1);

	--bk-header-gap: .75rem;
	--bk-topbar-h: 0rem;
	--bk-bar-h: 3.75rem;
	--bk-header-h: calc(var(--bk-header-gap) + var(--bk-topbar-h) + var(--bk-bar-h));
	--bk-admin-h: var(--wp-admin--admin-bar--height, 0px);
}
@media (min-width: 768px) {
	:root { --bk-header-gap: 1rem; --bk-bar-h: 4.25rem; }
	body.has-topbar { --bk-topbar-h: 2rem; }
}
@media (min-width: 1024px) {
	:root { --bk-bar-h: 4.5rem; }
}

/* 2. BASE ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--bk-header-h) + 1.5rem); }
body {
	margin: 0;
	font-family: var(--bk-font);
	font-size: var(--bk-fs-base);
	font-weight: 400;
	line-height: 1.7;
	color: var(--bk-text);
	background: var(--bk-white);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	overflow-x: clip;
	text-rendering: optimizeLegibility;
}
::selection { background: var(--bk-red); color: #fff; }
img, svg, video, iframe, canvas { max-width: 100%; }
img { height: auto; display: block; }
a { color: var(--bk-red); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--bk-red-hover); }
:focus-visible { outline: 2px solid var(--bk-red); outline-offset: 3px; border-radius: 2px; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
hr { border: 0; border-top: 1px solid var(--bk-line); margin: 2rem 0; }
p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }
strong, b { font-weight: 600; color: inherit; }
small { font-size: .8125em; }
mark { background: var(--bk-red-100); color: var(--bk-red-hover); padding: 0 .2em; border-radius: 2px; }
code, kbd { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .9em; }

h1, h2, h3, h4, h5, h6 {
	font-family: var(--bk-font);
	color: var(--bk-ink);
	font-weight: 400;
	line-height: 1.2;
	margin: 0 0 .75rem;
	letter-spacing: -.02em;
	text-wrap: balance;
	overflow-wrap: break-word;
}
h1 { font-size: var(--bk-fs-h1); line-height: 1.08; letter-spacing: -.035em; font-weight: 400; }
h2 { font-size: var(--bk-fs-h2); line-height: 1.12; letter-spacing: -.03em; }
h3 { font-size: var(--bk-fs-h3); line-height: 1.28; font-weight: 500; letter-spacing: -.015em; }
h4 { font-size: var(--bk-fs-h4); line-height: 1.38; font-weight: 500; letter-spacing: -.01em; }
h5 { font-size: 1rem; font-weight: 600; letter-spacing: 0; }
h6 { font-size: .8125rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 600; }
.bk-icon, .material-symbols-outlined { font-size: 1.25em; line-height: 1; vertical-align: -.2em; user-select: none; }

.screen-reader-text {
	border: 0; clip: rect(1px, 1px, 1px, 1px); clip-path: inset(50%);
	height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute !important; width: 1px; word-wrap: normal !important;
}
.bk-skip-link { position: absolute; left: 1rem; top: -100px; z-index: 10000; background: var(--bk-red); color: #fff; padding: .75rem 1.25rem; border-radius: 999px; font-weight: 600; }
.bk-skip-link:focus { top: 1rem; color: #fff; }

/* 3. LAYOUT ---------------------------------------------------------------- */
.bk-container { width: min(100% - 2 * var(--bk-gutter), var(--bk-container)); margin-inline: auto; }
.bk-container--narrow { width: min(100% - 2 * var(--bk-gutter), 55rem); }
.bk-container--wide { width: min(100% - 2 * var(--bk-gutter), 90rem); }
.bk-container--full { width: 100%; }
.bk-flow > * + * { margin-top: var(--bk-flow, 1rem); }
.bk-flow > * { margin-bottom: 0; }
.bk-align-center { text-align: center; }
.bk-align-center .wp-block-buttons, .bk-align-center .bk-badges { justify-content: center; }
.bk-align-center .wp-block-list:not(.is-style-tags) { text-align: left; display: inline-block; }
.bk-main { display: block; position: relative; z-index: 1; }
.bk-page-content > :where(:not(.bk-section):not(.bk-hero):not(.bk-subnav):not(.alignfull):not(style):not(script)) { width: min(100% - 2 * var(--bk-gutter), var(--bk-container)); margin-inline: auto; }
.bk-page-content > :where(:not(.bk-section):not(.bk-hero):not(.bk-subnav)):first-child { margin-top: var(--bk-section-y); }
.bk-page-content > :where(:not(.bk-section):not(.bk-hero):not(.bk-subnav)):last-child { margin-bottom: var(--bk-section-y); }

/* 4. BUTTONS (viên thuốc) --------------------------------------------------- */
.bk-btn,
body .wp-block-button__link,
body .wp-element-button {
	--_bg: var(--bk-red);
	--_fg: #fff;
	--_bd: var(--bk-red);
	position: relative;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: .625rem;
	min-height: 3rem;
	padding: .75rem 1.5rem .75rem 1.625rem;
	background: var(--_bg);
	color: var(--_fg);
	border: 1px solid var(--_bd);
	border-radius: 999px;
	font-family: var(--bk-font);
	font-size: .9375rem;
	font-weight: 500;
	line-height: 1.3;
	letter-spacing: 0;
	text-transform: none;
	text-align: center;
	text-decoration: none;
	white-space: normal;
	box-shadow: none;
	transition: background-color .35s var(--bk-ease), border-color .35s var(--bk-ease), color .35s var(--bk-ease), transform .35s var(--bk-ease);
	cursor: pointer;
	isolation: isolate;
	overflow: hidden;
}
/* Mũi tên ↗ trong vòng tròn nhỏ */
body .wp-block-button:where(:not(.is-style-link):not(.is-style-circle)) > .wp-block-button__link::after,
.bk-btn--arrow::after {
	content: "arrow_outward";
	font-family: "Material Symbols Outlined";
	font-weight: 400;
	font-size: 1.125rem;
	line-height: 1;
	display: inline-flex; align-items: center; justify-content: center;
	width: 1.75rem; height: 1.75rem; margin: -.25rem -.875rem -.25rem 0;
	border-radius: 50%;
	background: rgba(255, 255, 255, .18);
	transition: transform .45s var(--bk-ease), background-color .35s ease;
	font-feature-settings: "liga";
	-webkit-font-feature-settings: "liga";
}
body .wp-block-button__link:hover, .bk-btn:hover { --_bg: var(--bk-red-hover); --_bd: var(--bk-red-hover); color: var(--_fg); transform: translateY(-1px); }
body .wp-block-button:where(:not(.is-style-link)) > .wp-block-button__link:hover::after, .bk-btn--arrow:hover::after { transform: rotate(45deg); }
.bk-btn .bk-icon { font-size: 1.125rem; transition: transform .35s var(--bk-ease); }
.bk-btn:hover .bk-icon { transform: translateX(3px); }
.bk-btn--sm { min-height: 2.5rem; padding: .5rem 1.125rem; font-size: .875rem; }
.bk-btn--block { width: 100%; }
.bk-btn--ghost { --_bg: transparent; --_fg: var(--bk-ink); --_bd: var(--bk-ink); }
.bk-btn--ghost:hover { --_bg: var(--bk-ink); --_fg: #fff; --_bd: var(--bk-ink); }
.bk-btn--dark { --_bg: var(--bk-ink); --_fg: #fff; --_bd: var(--bk-ink); }
.bk-btn--dark:hover { --_bg: var(--bk-red); --_bd: var(--bk-red); }

.wp-block-buttons { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.wp-block-buttons > .wp-block-button { margin: 0; }
.wp-block-button.is-style-outline > .wp-block-button__link { --_bg: transparent; --_fg: var(--bk-ink); --_bd: var(--bk-ink); }
.wp-block-button.is-style-outline > .wp-block-button__link::after { background: rgba(15, 23, 42, .08); }
.wp-block-button.is-style-outline > .wp-block-button__link:hover { --_bg: var(--bk-ink); --_fg: #fff; --_bd: var(--bk-ink); }
.wp-block-button.is-style-light > .wp-block-button__link { --_bg: rgba(255,255,255,.08); --_fg: #fff; --_bd: rgba(255,255,255,.55); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.wp-block-button.is-style-light > .wp-block-button__link:hover { --_bg: #fff; --_fg: var(--bk-ink); --_bd: #fff; }
.wp-block-button.is-style-light > .wp-block-button__link:hover::after { background: rgba(15,23,42,.08); }
.wp-block-button.is-style-dark > .wp-block-button__link { --_bg: var(--bk-ink); --_fg: #fff; --_bd: var(--bk-ink); }
.wp-block-button.is-style-dark > .wp-block-button__link:hover { --_bg: var(--bk-red); --_bd: var(--bk-red); }
.wp-block-button.is-style-white > .wp-block-button__link { --_bg: #fff; --_fg: var(--bk-ink); --_bd: #fff; }
.wp-block-button.is-style-white > .wp-block-button__link::after { background: var(--bk-red); color: #fff; }
.wp-block-button.is-style-white > .wp-block-button__link:hover { --_bg: var(--bk-cream); --_fg: var(--bk-ink); --_bd: var(--bk-cream); }
.wp-block-button.is-style-link > .wp-block-button__link { --_bg: transparent; --_fg: var(--bk-ink); --_bd: transparent; min-height: 0; padding: .25rem 0; border-radius: 0; background-image: linear-gradient(currentColor, currentColor); background-size: 100% 1px; background-position: 0 100%; background-repeat: no-repeat; }
.wp-block-button.is-style-link > .wp-block-button__link::after { content: "arrow_outward"; font-family: "Material Symbols Outlined"; font-size: 1.1rem; line-height: 1; transition: transform .35s var(--bk-ease); }
.wp-block-button.is-style-link > .wp-block-button__link:hover { transform: none; --_fg: var(--bk-red); background-size: 0 1px; background-position: 100% 100%; transition: background-size .45s var(--bk-ease), color .25s ease; }
.wp-block-button.is-style-link > .wp-block-button__link:hover::after { transform: rotate(45deg); }

/* Nút tròn "Xem tất cả" */
.wp-block-button.is-style-circle > .wp-block-button__link,
.bk-circle-btn {
	--_bg: transparent; --_fg: var(--bk-ink); --_bd: var(--bk-line);
	display: inline-flex; align-items: center; justify-content: center; flex-direction: column; gap: .25rem;
	width: clamp(6rem, 5rem + 3vw, 8rem); aspect-ratio: 1; min-height: 0; padding: .75rem;
	border-radius: 50%; border: 1px solid var(--bk-ink);
	background: var(--_bg); color: var(--_fg);
	font-size: .75rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; line-height: 1.3; text-align: center;
	transition: background-color .45s var(--bk-ease), color .45s var(--bk-ease), border-color .45s var(--bk-ease), transform .45s var(--bk-ease);
}
.bk-circle-btn .bk-icon { font-size: 1.125rem; transition: transform .45s var(--bk-ease); }
.wp-block-button.is-style-circle > .wp-block-button__link:hover, .bk-circle-btn:hover { background: var(--bk-red); border-color: var(--bk-red); color: #fff; transform: scale(1.06) rotate(-4deg); }
.bk-circle-btn:hover .bk-icon { transform: rotate(45deg); }
.is-dark .wp-block-button.is-style-circle > .wp-block-button__link, .is-dark .bk-circle-btn { color: #fff; border-color: rgba(255,255,255,.7); }
.is-dark .wp-block-button.is-style-outline > .wp-block-button__link { --_fg: #fff; --_bd: rgba(255,255,255,.6); }
.is-dark .wp-block-button.is-style-outline > .wp-block-button__link:hover { --_bg: #fff; --_fg: var(--bk-ink); --_bd: #fff; }
.is-dark .wp-block-button.is-style-link > .wp-block-button__link { --_fg: #fff; }
.is-dark .wp-block-button.is-style-link > .wp-block-button__link:hover { --_fg: var(--bk-red-300); }

/* 5. HEADER (viên thuốc nổi) ------------------------------------------------ */
.bk-header {
	position: fixed;
	top: var(--bk-admin-h);
	left: 0; right: 0;
	z-index: 1000;
	padding-top: var(--bk-header-gap);
	pointer-events: none;
	color: var(--bk-ink);
	transition: transform .5s var(--bk-ease);
}
.bk-header > * { pointer-events: auto; }
.bk-header.is-hidden { transform: translateY(calc(-100% - 1rem)); }
.bk-topbar { display: none; }
body.has-topbar .bk-topbar { display: block; }
@media (max-width: 767px) { body.has-topbar .bk-topbar { display: none; } }
.bk-topbar { font-size: .75rem; color: rgba(255,255,255,.82); max-height: var(--bk-topbar-h); overflow: hidden; transition: max-height .45s var(--bk-ease), opacity .35s ease; }
body.header-solid .bk-topbar, .bk-header.is-scrolled .bk-topbar { max-height: 0; opacity: 0; }
.bk-topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: var(--bk-topbar-h); padding-inline: 1.75rem; }
.bk-topbar__group { display: flex; align-items: center; gap: 1.25rem; min-width: 0; }
.bk-topbar__item { display: inline-flex; align-items: center; gap: .375rem; color: inherit; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bk-topbar__item .bk-icon { color: var(--bk-red-300); font-size: .95rem; }
a.bk-topbar__item:hover, .bk-topbar__hotline:hover { color: #fff; }
.bk-topbar__hotline { color: #fff; font-weight: 600; }
.bk-topbar__sep { opacity: .4; }
.bk-topbar__note { color: #6ee7b7; font-weight: 500; }
.bk-topbar__group:first-child .bk-topbar__item:first-child { max-width: 64ch; }
@media (max-width: 1023px) { .bk-topbar__group:first-child .bk-topbar__item:first-child { display: none; } }
.bk-pulse-dot { width: .4375rem; height: .4375rem; border-radius: 50%; background: currentColor; animation: bkPulse 2s infinite; flex: none; }

.bk-header__bar {
	width: min(100% - 2 * min(var(--bk-gutter), 1rem), calc(var(--bk-container) + 2rem));
	margin-inline: auto;
	border-radius: 999px;
	background: rgba(255, 255, 255, .96);
	border: 1px solid rgba(15, 23, 42, .06);
	box-shadow: 0 .75rem 2.5rem -1.25rem rgba(15, 23, 42, .35);
	backdrop-filter: blur(16px) saturate(1.4);
	-webkit-backdrop-filter: blur(16px) saturate(1.4);
	transition: background-color .5s var(--bk-ease), border-color .5s var(--bk-ease), box-shadow .5s var(--bk-ease), color .5s var(--bk-ease), width .6s var(--bk-ease);
}
body.header-transparent .bk-header:not(.is-scrolled):not(.is-open) { color: #fff; }
body.header-transparent .bk-header:not(.is-scrolled):not(.is-open) .bk-header__bar {
	background: rgba(255, 255, 255, .1);
	border-color: rgba(255, 255, 255, .22);
	box-shadow: none;
}
@media (min-width: 1024px) {
	.bk-header.is-scrolled .bk-header__bar { width: min(100% - 2rem, calc(var(--bk-container) - 4rem)); }
}
.bk-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: var(--bk-bar-h); padding-inline: 1.25rem .5rem; width: 100%; }
@media (min-width: 1024px) { .bk-header__inner { padding-inline: 1.75rem .625rem; } }
.bk-logo { display: inline-flex; align-items: center; gap: .625rem; color: inherit; min-width: 0; flex-shrink: 1; }
.bk-logo:hover { color: inherit; }
.bk-logo__media { display: inline-flex; position: relative; flex: none; }
.bk-logo__img { height: clamp(2rem, 1.8rem + .5vw, 2.5rem); width: auto; max-width: 11rem; object-fit: contain; transition: opacity .35s ease; }
.bk-logo__img--light { position: absolute; inset: 0; opacity: 0; }
body.header-transparent .bk-header:not(.is-scrolled):not(.is-open) .bk-logo__img--light { opacity: 1; }
body.header-transparent .bk-header:not(.is-scrolled):not(.is-open) .bk-logo__media:has(.bk-logo__img--light) .bk-logo__img:not(.bk-logo__img--light) { opacity: 0; }
.bk-logo__mark { width: clamp(2rem, 1.8rem + .5vw, 2.5rem); height: auto; border-radius: .5rem; }
.bk-logo__text { display: flex; flex-direction: column; line-height: 1.05; min-width: 0; }
.bk-logo__name { font-weight: 700; font-size: clamp(.9375rem, .9rem + .2vw, 1.0625rem); letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; }
.bk-logo__tagline { font-size: .625rem; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; opacity: .65; margin-top: .2rem; white-space: nowrap; }
@media (max-width: 380px) { .bk-logo__tagline { display: none; } }

.bk-nav { display: none; }
@media (min-width: 1024px) { .bk-nav { display: flex; align-items: center; height: 100%; flex: 1; justify-content: center; } }
.bk-menu { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: clamp(0rem, -1.2rem + 1.9vw, 1rem); height: 100%; }
.bk-menu > li { position: relative; display: flex; align-items: center; height: 100%; }
.bk-menu > li > a {
	position: relative; display: inline-flex; align-items: center; height: 2.5rem; padding: 0 .75rem; border-radius: 999px;
	color: inherit; font-size: .9375rem; font-weight: 400; letter-spacing: 0; white-space: nowrap;
	transition: background-color .3s ease, color .3s ease;
}
.bk-menu > li > a:hover { background: rgba(15, 23, 42, .05); color: inherit; }
body.header-transparent .bk-header:not(.is-scrolled) .bk-menu > li > a:hover { background: rgba(255,255,255,.14); }
.bk-menu > li.current-menu-item > a,
.bk-menu > li.current-menu-ancestor > a,
.bk-menu > li.current-page-ancestor > a { color: var(--bk-red); font-weight: 500; }
body.header-transparent .bk-header:not(.is-scrolled):not(.is-open) .bk-menu > li:is(.current-menu-item, .current-menu-ancestor, .current-page-ancestor) > a { color: #fff; background: rgba(255,255,255,.16); }
.bk-menu .bk-submenu-toggle { display: inline-flex; align-items: center; justify-content: center; width: 1.25rem; height: 1.25rem; padding: 0; margin-left: -.625rem; margin-right: .125rem; background: none; border: 0; color: inherit; opacity: .7; }
.bk-menu .bk-submenu-toggle .bk-icon { font-size: 1.05rem; transition: transform .35s var(--bk-ease); }
.bk-menu > li:hover > .bk-submenu-toggle .bk-icon, .bk-menu > li.is-open > .bk-submenu-toggle .bk-icon { transform: rotate(180deg); }
.bk-menu .sub-menu {
	position: absolute; top: calc(100% - .25rem); left: 50%;
	min-width: 20rem; margin: 0; padding: .5rem; list-style: none;
	background: #fff; color: var(--bk-ink);
	border: 1px solid var(--bk-border); border-radius: 1.25rem;
	box-shadow: var(--bk-shadow-lg);
	opacity: 0; visibility: hidden; transform: translate(-50%, .75rem);
	transition: opacity .35s var(--bk-ease), transform .45s var(--bk-ease), visibility .35s;
	z-index: 20;
}
.bk-menu > li:hover > .sub-menu, .bk-menu > li:focus-within > .sub-menu, .bk-menu > li.is-open > .sub-menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.bk-menu .sub-menu li { position: relative; }
.bk-menu .sub-menu a { display: flex; flex-direction: column; gap: .125rem; padding: .7rem .9rem; border-radius: .875rem; color: var(--bk-ink); font-size: .9375rem; font-weight: 500; line-height: 1.35; transition: background-color .25s ease, color .25s ease; }
.bk-menu .sub-menu a:hover, .bk-menu .sub-menu .current-menu-item > a { background: var(--bk-mist); color: var(--bk-red); }
.bk-menu__desc { font-size: .78rem; font-weight: 400; color: var(--bk-muted); }
.bk-menu .sub-menu .bk-submenu-toggle { display: none; }
.bk-menu .sub-menu .sub-menu { top: 0; left: 100%; transform: translate(.5rem, 0); }
.bk-menu .sub-menu li:hover > .sub-menu { opacity: 1; visibility: visible; transform: translate(0, 0); }

.bk-header__actions { display: flex; align-items: center; gap: .375rem; flex: none; }
.bk-icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 2.75rem; height: 2.75rem; padding: 0; background: transparent; color: inherit; border: 0; border-radius: 50%; transition: background-color .25s ease, color .25s ease; }
.bk-icon-btn:hover { background: rgba(127, 127, 127, .15); }
.bk-header__cta {
	display: none;
	--_bg: transparent; --_fg: currentColor; --_bd: currentColor;
	min-height: 2.75rem; padding: .5rem 1.125rem .5rem 1.25rem; font-size: .875rem;
}
.bk-header__cta::after { background: var(--bk-red) !important; color: #fff; }
.bk-header__cta:hover { --_bg: var(--bk-red); --_fg: #fff; --_bd: var(--bk-red); color: #fff; }
.bk-header__cta:hover::after { background: rgba(255,255,255,.2) !important; }
@media (min-width: 640px) { .bk-header__cta { display: inline-flex; } }
@media (min-width: 1024px) and (max-width: 1199px) { .bk-header__cta { display: none; } }
.bk-header__cta .bk-icon { font-size: 1rem; }
.bk-menu-toggle { display: inline-flex; background: var(--bk-ink); color: #fff; }
.bk-menu-toggle:hover { background: var(--bk-red); }
body.header-transparent .bk-header:not(.is-scrolled):not(.is-open) .bk-menu-toggle { background: #fff; color: var(--bk-ink); }
@media (min-width: 1024px) { .bk-menu-toggle { display: none; } }
.bk-burger { position: relative; width: 1.125rem; height: .75rem; display: inline-block; }
.bk-burger span { position: absolute; left: 0; height: 1.5px; width: 100%; background: currentColor; border-radius: 2px; transition: transform .35s ease, opacity .35s ease, top .35s ease; }
.bk-burger span:nth-child(1) { top: 0; }
.bk-burger span:nth-child(2) { top: .3438rem; }
.bk-burger span:nth-child(3) { top: .6875rem; }

.bk-search-panel { width: min(100% - 2rem, 48rem); margin: .75rem auto 0; padding: 1rem; background: #fff; border-radius: 1.5rem; color: var(--bk-ink); box-shadow: var(--bk-shadow-lg); }
.bk-search-panel[hidden] { display: none; }
.bk-search-panel .bk-container { width: 100%; }

/* 6. MOBILE DRAWER --------------------------------------------------------- */
.bk-drawer { position: fixed; inset: 0; z-index: 2000; visibility: hidden; pointer-events: none; }
.bk-drawer.is-open { visibility: visible; pointer-events: auto; }
.bk-drawer__overlay { position: absolute; inset: 0; background: rgba(10, 15, 29, .55); opacity: 0; transition: opacity .4s ease; backdrop-filter: blur(4px); }
.bk-drawer.is-open .bk-drawer__overlay { opacity: 1; }
.bk-drawer__panel {
	position: absolute; top: calc(var(--bk-admin-h) + .75rem); right: .75rem; bottom: .75rem;
	width: min(100% - 1.5rem, 26rem);
	display: flex; flex-direction: column;
	background: #fff; color: var(--bk-ink);
	border-radius: 1.75rem;
	box-shadow: var(--bk-shadow-lg);
	transform: translateX(calc(100% + 1rem)); transition: transform .55s var(--bk-ease);
	overflow: hidden;
}
.bk-drawer.is-open .bk-drawer__panel { transform: translateX(0); }
.bk-drawer__head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding: .75rem .75rem .75rem 1.25rem; border-bottom: 1px solid var(--bk-border); }
.bk-drawer__head .bk-logo__tagline { display: none; }
.bk-drawer__close { background: var(--bk-mist); }
.bk-drawer__nav { flex: 1; overflow-y: auto; overscroll-behavior: contain; padding: .5rem .75rem; }
.bk-mobile-menu, .bk-mobile-menu .sub-menu { list-style: none; margin: 0; padding: 0; }
.bk-mobile-menu > li { border-bottom: 1px solid var(--bk-gray-100); }
.bk-mobile-menu li { position: relative; display: flex; flex-wrap: wrap; align-items: center; }
.bk-mobile-menu a { flex: 1; display: block; padding: .95rem .5rem; color: var(--bk-ink); font-weight: 400; font-size: 1.0625rem; }
.bk-mobile-menu > li > a { font-size: 1.25rem; letter-spacing: -.01em; }
.bk-mobile-menu .current-menu-item > a, .bk-mobile-menu a:hover { color: var(--bk-red); }
.bk-mobile-menu .bk-submenu-toggle { width: 2.75rem; height: 2.75rem; background: var(--bk-mist); border: 0; border-radius: 50%; color: var(--bk-steel); }
.bk-mobile-menu .bk-submenu-toggle .bk-icon { transition: transform .3s ease; }
.bk-mobile-menu li.is-open > .bk-submenu-toggle { background: var(--bk-red); color: #fff; }
.bk-mobile-menu li.is-open > .bk-submenu-toggle .bk-icon { transform: rotate(180deg); }
.bk-mobile-menu .sub-menu { width: 100%; display: none; padding: 0 0 .75rem .75rem; }
.bk-mobile-menu li.is-open > .sub-menu { display: block; animation: bkFadeUp .4s var(--bk-ease); }
.bk-mobile-menu .sub-menu a { padding: .55rem .5rem; font-size: .9688rem; color: var(--bk-steel); }
.bk-mobile-menu .bk-menu__desc { display: block; font-size: .78rem; color: var(--bk-faint); }
.bk-drawer__foot { padding: 1rem 1.25rem calc(1rem + env(safe-area-inset-bottom)); background: var(--bk-mist); display: grid; gap: .5rem; }
.bk-drawer__contact { display: flex; align-items: center; gap: .5rem; color: var(--bk-ink); font-weight: 500; font-size: .9688rem; padding: .25rem 0; }
.bk-drawer__contact .bk-icon { color: var(--bk-red); }
body.bk-lock { overflow: hidden; }

/* 7. HERO ------------------------------------------------------------------ */
.bk-hero {
	position: relative;
	isolation: isolate;
	display: flex;
	flex-direction: column;
	width: 100%;
	min-height: var(--_hero-min, 37.5rem);
	color: #fff;
	background: var(--bk-night);
	overflow: hidden;
	padding-top: calc(var(--bk-admin-h) + var(--bk-header-h) + .5rem);
}
.bk-hero--screen { --_hero-min: max(37.5rem, 100svh); }
.bk-hero--tall { --_hero-min: max(35rem, 88svh); }
.bk-hero--medium { --_hero-min: max(32rem, 72svh); }
.bk-hero--compact { --_hero-min: max(26rem, 56svh); }
.bk-hero__media { position: absolute; inset: 0; z-index: -2; overflow: hidden; }
.bk-hero__media > * { will-change: transform; }
.bk-hero__slide { position: absolute; inset: -4% 0; opacity: 0; visibility: hidden; transition: opacity 1.4s var(--bk-ease-io), visibility 1.4s; }
.bk-hero__slide img { width: 100%; height: 100%; object-fit: cover; object-position: center; transform: scale(1.08); transition: transform 8s linear; }
.bk-hero__slide.is-active { opacity: 1; visibility: visible; }
.bk-hero__slide.is-active img { transform: scale(1); }
.bk-hero__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.bk-hero__scrim { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.bk-hero--overlay-dark .bk-hero__scrim { background: linear-gradient(to top, rgba(10,15,29,.88) 0%, rgba(10,15,29,.35) 45%, rgba(10,15,29,.25) 75%, rgba(10,15,29,.55) 100%), linear-gradient(to right, rgba(10,15,29,.55), rgba(10,15,29,0) 65%); }
.bk-hero--overlay-darker .bk-hero__scrim { background: linear-gradient(to top, rgba(10,15,29,.95) 0%, rgba(10,15,29,.7) 50%, rgba(10,15,29,.6) 100%); }
.bk-hero--overlay-gradient .bk-hero__scrim { background: linear-gradient(100deg, rgba(10,15,29,.9) 0%, rgba(10,15,29,.6) 45%, rgba(10,15,29,.1) 100%), linear-gradient(to top, rgba(10,15,29,.8), transparent 45%); }
.bk-hero__top { position: relative; z-index: 2; padding-top: .75rem; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem 1rem; }
.bk-hero__body { position: relative; z-index: 2; flex: 1; display: flex; align-items: flex-end; padding-block: clamp(2rem, 1rem + 4vw, 4rem) clamp(2.5rem, 1.25rem + 4.5vw, 5.5rem); }
.bk-hero__content { width: 100%; max-width: 54rem; --bk-flow: 1.25rem; }
.bk-hero--center .bk-hero__body { align-items: center; }
.bk-hero--center .bk-hero__content { margin-inline: auto; text-align: center; }
.bk-hero--center .bk-hero__content .wp-block-buttons, .bk-hero--center .bk-hero__content .bk-badges { justify-content: center; }
.bk-hero__content:has(> .bk-grid) { max-width: none; }
.bk-hero__content:has(> .bk-grid) > :not(.bk-grid) { max-width: 54rem; }
.bk-hero--center .bk-hero__content:has(> .bk-grid) > :not(.bk-grid) { margin-inline: auto; }
.bk-hero__content > .bk-grid { margin-top: clamp(2rem, 1.2rem + 2.5vw, 3.5rem); text-align: left; }
.bk-hero h1, .bk-hero__title { color: #fff; font-size: var(--bk-fs-h1); line-height: 1.06; letter-spacing: -.035em; font-weight: 400; margin: 0; max-width: 20ch; }
.bk-hero--center h1, .bk-hero--center .bk-hero__title { margin-inline: auto; }
.bk-hero--compact h1, .bk-hero .bk-hero__title { font-size: clamp(2rem, 1.25rem + 2.8vw, 3.75rem); max-width: 28ch; line-height: 1.1; }
.bk-hero h1 .is-accent, .bk-hero h1 mark { color: var(--bk-red-300); background: none; padding: 0; }
.bk-hero p { color: rgba(255,255,255,.86); }
.bk-hero .is-style-lead { max-width: 40rem; font-size: clamp(1rem, .92rem + .4vw, 1.25rem); line-height: 1.65; font-weight: 300; color: rgba(255,255,255,.86); }
.bk-hero--center .is-style-lead { margin-inline: auto; }
.bk-hero .wp-block-buttons { margin-top: 2rem; }
/* Xuất hiện khi tải trang */
.bk-hero__content > * { animation: bkHeroIn 1.1s var(--bk-ease) both; }
.bk-hero__content > :nth-child(1) { animation-delay: .15s; }
.bk-hero__content > :nth-child(2) { animation-delay: .3s; }
.bk-hero__content > :nth-child(3) { animation-delay: .45s; }
.bk-hero__content > :nth-child(4) { animation-delay: .6s; }
.bk-hero__content > :nth-child(n+5) { animation-delay: .75s; }
.bk-hero__meta { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; font-size: .875rem; color: rgba(255,255,255,.8); }
.bk-hero--center .bk-hero__meta { justify-content: center; }
.bk-hero__meta span { display: inline-flex; align-items: center; gap: .375rem; }
.bk-hero__meta .bk-icon { color: var(--bk-red-300); font-size: 1rem; }
.bk-hero__bottom { position: relative; z-index: 2; }
.bk-hero__controls { position: absolute; right: max(var(--bk-gutter), calc((100% - var(--bk-container)) / 2)); bottom: calc(100% + clamp(2.5rem, 1.25rem + 4.5vw, 5.5rem)); display: flex; align-items: center; gap: 1rem; width: auto; }
.bk-hero__bottom:not(:has(.bk-hero__stats)) .bk-hero__controls { bottom: clamp(2.5rem, 1.25rem + 4.5vw, 5.5rem); }
body.has-float .bk-hero__controls { right: max(var(--bk-gutter), (100% - var(--bk-container)) / 2, 6rem); }
@media (max-width: 767px) { .bk-hero__controls { display: none; } }
.bk-hero__dots { display: flex; align-items: center; gap: .5rem; }
.bk-hero__dot { width: .5rem; height: .5rem; padding: 0; border: 1px solid rgba(255,255,255,.7); border-radius: 999px; background: transparent; transition: width .45s var(--bk-ease), background-color .35s ease; }
.bk-hero__dot:hover { background: rgba(255,255,255,.6); }
.bk-hero__dot.is-active { width: 2rem; background: #fff; border-color: #fff; }
.bk-hero__arrows { display: flex; gap: .5rem; }
.bk-hero__arrow { display: inline-flex; align-items: center; justify-content: center; width: 3rem; height: 3rem; padding: 0; border-radius: 50%; border: 1px solid rgba(255,255,255,.45); background: transparent; color: #fff; transition: background-color .3s ease, color .3s ease, border-color .3s ease; }
.bk-hero__arrow:hover { background: #fff; color: var(--bk-ink); border-color: #fff; }
.bk-hero__stats--bar, .bk-hero__stats--tiles { border-top: 1px solid rgba(255,255,255,.18); }
.bk-hero__stats-grid { display: grid; grid-template-columns: repeat(var(--n, 3), minmax(0, 1fr)); padding-block: clamp(1rem, .7rem + 1vw, 1.75rem); }
.bk-hero__stat { display: flex; flex-direction: column; gap: .25rem; padding-inline: clamp(.5rem, .2rem + 1vw, 1.5rem); border-left: 1px solid rgba(255,255,255,.18); }
.bk-hero__stat:first-child { border-left: 0; padding-left: 0; }
@media (max-width: 767px) {
	.bk-hero__stats--tiles .bk-hero__stats-grid { grid-template-columns: repeat(2, minmax(0,1fr)); row-gap: 1rem; }
	.bk-hero__stats--tiles .bk-hero__stat:nth-child(odd) { border-left: 0; padding-left: 0; }
}
.bk-hero__stat-value { font-weight: 300; font-size: clamp(1.375rem, 1rem + 1.6vw, 2.5rem); color: #fff; line-height: 1.05; letter-spacing: -.03em; }
.bk-hero__stat-value.is-accent { color: var(--bk-red-300); }
.bk-hero__stat-label { font-size: clamp(.6875rem, .62rem + .2vw, .8125rem); font-weight: 400; color: rgba(255,255,255,.7); line-height: 1.4; }
.bk-hero__sparks { position: absolute; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
.bk-spark { position: absolute; border-radius: 50%; animation: bkFloatParticle 8s cubic-bezier(.4,0,.2,1) infinite; opacity: 0; }
.bk-hero__scroll { position: absolute; left: 50%; bottom: 1.25rem; z-index: 2; width: 1.5rem; height: 2.375rem; margin-left: -.75rem; padding: 0; background: transparent; border: 1.5px solid rgba(255,255,255,.55); border-radius: 999px; cursor: pointer; transition: border-color .3s ease; }
.bk-hero__scroll:hover { border-color: #fff; }
@media (max-width: 767px) { .bk-hero__scroll { display: none; } }
.bk-hero__scroll::after { content: ""; position: absolute; left: 50%; top: .45rem; width: .25rem; height: .5rem; margin-left: -.125rem; border-radius: 999px; background: #fff; animation: bkScrollCue 2s var(--bk-ease) infinite; }

/* Breadcrumb */
.bk-breadcrumb ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; align-items: center; gap: .25rem .5rem; font-size: .8125rem; }
.bk-breadcrumb li { display: inline-flex; align-items: center; gap: .5rem; }
.bk-breadcrumb li + li::before { content: ""; width: .25rem; height: .25rem; border-radius: 50%; background: currentColor; opacity: .5; }
.bk-breadcrumb a { color: inherit; opacity: .75; }
.bk-breadcrumb a:hover { opacity: 1; color: inherit; }
.bk-breadcrumb [aria-current] { font-weight: 500; }
.bk-breadcrumb--light { color: rgba(255,255,255,.88); }
.is-dark .bk-breadcrumb a:not(.wp-block-button__link):not(.bk-btn):not(.bk-chip):not(.bk-circle-btn), .is-dark .bk-breadcrumb a:not(.wp-block-button__link):not(.bk-btn):not(.bk-chip):not(.bk-circle-btn):hover { color: inherit; }

/* 8. SECTION --------------------------------------------------------------- */
.bk-section {
	position: relative;
	isolation: isolate;
	padding-block: var(--_pad, var(--bk-section-y));
	background: var(--_bg, #fff);
	color: var(--bk-text);
	overflow: clip;
}
.bk-section--pad-none { --_pad: 0px; }
.bk-section--pad-sm { --_pad: clamp(2rem, 1.4rem + 2vw, 3rem); }
.bk-section--pad-md { --_pad: clamp(3rem, 2rem + 3.5vw, 5.5rem); }
.bk-section--pad-lg { --_pad: var(--bk-section-y); }
.bk-section--pad-xl { --_pad: clamp(6rem, 3.5rem + 8vw, 12rem); }
.bk-section--white { --_bg: #fff; }
.bk-section--light { --_bg: var(--bk-mist); }
.bk-section--surface { --_bg: var(--bk-gray-50); }
.bk-section--tint { --_bg: var(--bk-surface-low); }
.bk-section--red-soft { --_bg: var(--bk-red-50); }
.bk-section--dark { --_bg: var(--bk-ink); }
.bk-section--darker { --_bg: var(--bk-night); }
.bk-section--navy { --_bg: var(--bk-navy); }
.bk-section--primary { --_bg: var(--bk-red); }
.bk-section--image { --_bg: var(--bk-night); }
.bk-section--split-dark { background: linear-gradient(to bottom, #fff 0 52%, var(--bk-ink) 52% 100%); }
.bk-section--split-dark + .bk-section, .bk-page-content > .bk-section--split-dark:last-child { }
.bk-section--border-top { border-top: 1px solid var(--bk-line); }
/* Khối bo góc thụt vào (panel) */
.bk-section--inset { margin-inline: clamp(.5rem, .2rem + 1.2vw, 1.25rem); border-radius: clamp(1.25rem, .8rem + 1.6vw, 2.25rem); }
.bk-section--inset { margin-block: clamp(.5rem, .2rem + 1.2vw, 1.25rem); }
.bk-section__bg { position: absolute; inset: -6% 0; z-index: -2; }
.bk-section__bg img { width: 100%; height: 100%; object-fit: cover; }
.bk-section__overlay { position: absolute; inset: 0; z-index: -1; background: linear-gradient(to bottom, rgba(10,15,29,calc(var(--_ov, .7) - .05)), rgba(10,15,29,calc(var(--_ov, .7) - .15)) 50%, rgba(10,15,29,calc(var(--_ov, .7) + .1))); }
.bk-section--pattern-grid::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background-size: 3rem 3rem; background-image: linear-gradient(to right, rgba(15,23,42,.04) 1px, transparent 1px), linear-gradient(to bottom, rgba(15,23,42,.04) 1px, transparent 1px); -webkit-mask-image: linear-gradient(to bottom, transparent, #000 20%, #000 80%, transparent); mask-image: linear-gradient(to bottom, transparent, #000 20%, #000 80%, transparent); }
.bk-section--pattern-dots::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background-image: radial-gradient(rgba(15,23,42,.12) 1px, transparent 1px); background-size: 1.5rem 1.5rem; }
.bk-section--pattern-glow::before { content: ""; position: absolute; z-index: -1; pointer-events: none; width: 45rem; height: 45rem; border-radius: 50%; top: -16rem; right: -14rem; background: radial-gradient(circle, rgba(184,29,36,.18), transparent 65%); animation: bkAmbient 18s ease-in-out infinite alternate; }
.bk-section--pattern-glow::after { content: ""; position: absolute; z-index: -1; pointer-events: none; width: 40rem; height: 40rem; border-radius: 50%; bottom: -16rem; left: -12rem; background: radial-gradient(circle, rgba(59,130,246,.12), transparent 65%); animation: bkAmbient2 22s ease-in-out infinite alternate; }
.bk-section.is-dark.bk-section--pattern-grid::before { background-image: linear-gradient(to right, rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(to bottom, rgba(255,255,255,.05) 1px, transparent 1px); }
.bk-section.is-dark.bk-section--pattern-dots::before { background-image: radial-gradient(rgba(255,255,255,.12) 1px, transparent 1px); }
.bk-section.is-center > .bk-container { text-align: center; }
.bk-section.is-center .wp-block-buttons { justify-content: center; }
.bk-section > .bk-container { --bk-flow: clamp(2rem, 1.3rem + 2.2vw, 3.5rem); }
.bk-section > .bk-container > .bk-head + * { margin-top: 0; }

/* Vùng tối */
.is-dark { color: rgba(241, 243, 255, .78); }
.is-dark h1, .is-dark h2, .is-dark h3, .is-dark h4, .is-dark h5, .is-dark h6, .is-dark strong { color: #fff; }
.is-dark a:not(.wp-block-button__link):not(.bk-btn):not(.bk-chip):not(.bk-circle-btn) { color: var(--bk-red-300); }
.is-dark a:not(.wp-block-button__link):not(.bk-btn):not(.bk-chip):not(.bk-circle-btn):hover { color: #fff; }
.is-accent { color: var(--bk-red); }
.is-dark .is-accent { color: var(--bk-red-300); }
.is-dark .is-style-muted { color: rgba(241,243,255,.6); }
.is-dark .is-style-lead, .is-dark .bk-head__text { color: rgba(241,243,255,.82); }
.is-dark .bk-card__icon--plain, .is-dark .bk-step__icon { color: var(--bk-red-300); }
.bk-section--primary { color: rgba(255,255,255,.9); }
.bk-section--primary .bk-head__bar { background: #fff; }
.bk-section--primary .wp-block-button:not([class*="is-style-"]) > .wp-block-button__link { --_bg: #fff; --_fg: var(--bk-red); --_bd: #fff; }
.bk-section--primary .wp-block-button:not([class*="is-style-"]) > .wp-block-button__link::after { background: var(--bk-red); color: #fff; }
.bk-section--primary .wp-block-button:not([class*="is-style-"]) > .wp-block-button__link:hover { --_bg: var(--bk-ink); --_fg: #fff; --_bd: var(--bk-ink); }
/* Thẻ/khung nền sáng trong vùng tối: trả lại màu chữ tối */
.is-dark :is(.bk-card--default, .bk-card--white, .bk-card--muted, .bk-card--tinted, .bk-card--accent, .bk-card--accent-top, .bk-card--pastel, .bk-form-wrap--card, .bk-calc__inputs, .bk-chart, .bk-post-card, .bk-stat--card, .bk-stat--ghost, .bk-figure__badge, .bk-map__office, .wp-block-table) { color: var(--bk-steel); }
.is-dark :is(.bk-card--default, .bk-card--white, .bk-card--muted, .bk-card--tinted, .bk-card--accent, .bk-card--accent-top, .bk-card--pastel, .bk-form-wrap--card, .bk-calc__inputs, .bk-chart, .bk-post-card) :is(h1, h2, h3, h4, h5, h6, strong) { color: var(--bk-ink); }
.is-dark :is(.bk-card--default, .bk-card--white, .bk-card--muted, .bk-card--tinted, .bk-card--accent, .bk-card--accent-top, .bk-card--pastel, .bk-form-wrap--card, .bk-calc__inputs) a:not(.wp-block-button__link):not(.bk-btn):not(.bk-chip) { color: var(--bk-red); }
.is-dark :is(.bk-card--default, .bk-card--white, .bk-card--muted, .bk-card--tinted, .bk-card--accent, .bk-card--accent-top, .bk-card--pastel, .bk-form-wrap--card) :is(.is-style-eyebrow, .is-style-code, .is-accent) { color: var(--bk-red); }
.is-dark :is(.bk-card--default, .bk-card--white, .bk-card--muted, .bk-card--tinted, .bk-card--accent, .bk-card--accent-top, .bk-card--pastel, .bk-form-wrap--card) :is(.is-style-lead, .bk-head__text) { color: var(--bk-steel); }
.is-dark :is(.bk-card--default, .bk-card--white, .bk-card--muted, .bk-card--tinted, .bk-card--accent, .bk-card--accent-top, .bk-card--pastel) .bk-card--plain { color: var(--bk-steel); }
.is-dark :is(.bk-card--default, .bk-card--white, .bk-card--muted, .bk-card--tinted, .bk-card--accent, .bk-card--accent-top, .bk-card--pastel) .wp-block-list.is-style-check > li::before { color: var(--bk-red); }
.is-dark :is(.bk-card--default, .bk-card--white, .bk-card--muted, .bk-card--tinted, .bk-card--accent, .bk-card--accent-top, .bk-card--pastel) :is(.bk-head__eyebrow--tag, .is-style-eyebrow) { background: var(--bk-ink); color: var(--bk-cream); }

/* 9. SECTION HEAD ---------------------------------------------------------- */
.bk-head { display: block; margin-bottom: clamp(2.25rem, 1.5rem + 2.5vw, 4rem); max-width: 52rem; }
.bk-head--center { margin-inline: auto; text-align: center; }
.bk-head--narrow { max-width: 42rem; }
.bk-head--wide { max-width: 64rem; }
.bk-head--split { max-width: none; display: grid; gap: 1.25rem 4rem; align-items: end; }
@media (min-width: 1024px) { .bk-head--split { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); } }
.bk-head--split .bk-head__text { margin: 0; }
.bk-head--has-link { max-width: none; display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1.5rem 3rem; }
.bk-head--has-link .bk-head__main { flex: 1 1 28rem; max-width: 52rem; }
.bk-head--has-link.bk-head--center { justify-content: center; }
.bk-head__eyebrow {
	display: inline-flex; align-items: center; gap: .4rem;
	margin: 0 0 1.125rem;
	color: var(--bk-red);
	font-size: .6875rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; line-height: 1.4;
}
.bk-head__eyebrow .bk-icon { font-size: .95rem; }
/* Nhãn dạng thẻ tối, bo góc phải trên */
.bk-head__eyebrow--tag, .bk-head__eyebrow--text {
	padding: .4rem .75rem .375rem;
	background: var(--bk-ink); color: var(--bk-cream);
	border-radius: 0 .75rem 0 0;
}
.bk-head__eyebrow--tag .bk-icon, .bk-head__eyebrow--text .bk-icon { color: var(--bk-red-300); }
.bk-head__eyebrow--code { letter-spacing: .14em; }
.bk-head__eyebrow--code::before { content: "//"; opacity: .7; }
.bk-head__eyebrow--pill { padding: .4rem .9rem; border-radius: 999px; border: 1px solid currentColor; background: transparent; letter-spacing: .14em; }
.is-dark .bk-head__eyebrow--tag, .is-dark .bk-head__eyebrow--text { background: #fff; color: var(--bk-ink); }
.is-dark .bk-head__eyebrow--tag .bk-icon, .is-dark .bk-head__eyebrow--text .bk-icon { color: var(--bk-red); }
.is-dark .bk-head__eyebrow--code, .is-dark .bk-head__eyebrow--pill { color: var(--bk-red-300); }
.bk-head__title { margin: 0; font-weight: 400; }
.bk-head--lg .bk-head__title { font-size: var(--bk-fs-display); line-height: 1.04; letter-spacing: -.04em; }
.bk-head--sm .bk-head__title { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.25rem); }
.bk-head__title .is-accent, .bk-head__title mark { color: var(--bk-red); background: none; padding: 0; }
.is-dark .bk-head__title .is-accent, .is-dark .bk-head__title mark { color: var(--bk-red-300); }
.bk-head__bar { display: block; width: 3.5rem; height: 2px; background: var(--bk-red); margin-top: 1.5rem; }
.bk-head--center .bk-head__bar { margin-inline: auto; }
.bk-head__text { margin: 1.25rem 0 0; color: var(--bk-steel); font-size: var(--bk-fs-md); line-height: 1.75; font-weight: 300; max-width: 46rem; }
.bk-head--center .bk-head__text { margin-inline: auto; }
.bk-head--split .bk-head__bar { display: none; }
.bk-head__link { flex: none; }
.bk-section.is-center .bk-head:not(.bk-head--split):not(.bk-head--has-link) { margin-inline: auto; text-align: center; }
.bk-section.is-center .bk-head .bk-head__bar, .bk-section.is-center .bk-head .bk-head__text { margin-inline: auto; }
/* Hiệu ứng xuất hiện tiêu đề */
.js .bk-head.bk-reveal { opacity: 1; transform: none; }
.js .bk-head.bk-reveal > *, .js .bk-head.bk-reveal .bk-head__main > * { opacity: 0; transform: translateY(1.75rem); transition: opacity .9s var(--bk-ease), transform 1.1s var(--bk-ease); }
.js .bk-head.bk-reveal.is-in > *, .js .bk-head.bk-reveal.is-in .bk-head__main > * { opacity: 1; transform: none; }
.js .bk-head.bk-reveal.is-in .bk-head__title, .js .bk-head.bk-reveal.is-in > :nth-child(2) { transition-delay: .12s; }
.js .bk-head.bk-reveal.is-in .bk-head__text, .js .bk-head.bk-reveal.is-in > :nth-child(3) { transition-delay: .24s; }
.js .bk-head.bk-reveal.is-in .bk-head__link { transition-delay: .3s; }

/* 10. GRID ----------------------------------------------------------------- */
.bk-grid { --_gap: clamp(1rem, .6rem + 1.4vw, 2rem); display: grid; gap: var(--_gap); grid-template-columns: repeat(var(--g-m, 1), minmax(0, 1fr)); align-items: stretch; }
.bk-grid > * { margin: 0 !important; min-width: 0; }
.bk-grid--gap-none { --_gap: 0px; }
.bk-grid--gap-sm { --_gap: clamp(.625rem, .5rem + .5vw, 1rem); }
.bk-grid--gap-lg { --_gap: clamp(1.5rem, 1rem + 2vw, 3rem); }
.bk-grid--gap-xl { --_gap: clamp(2rem, 1rem + 4vw, 6rem); }
.bk-grid--valign-start { align-items: start; }
.bk-grid--valign-center { align-items: center; }
.bk-grid--valign-end { align-items: end; }
.bk-grid:not(.bk-grid--valign-start):not(.bk-grid--valign-center):not(.bk-grid--valign-end) > .bk-card { height: 100%; }
@media (min-width: 768px) {
	.bk-grid { grid-template-columns: repeat(var(--g-t, 2), minmax(0, 1fr)); }
	.bk-grid[class*="bk-grid--tpl-"] { grid-template-columns: repeat(var(--g-t, 1), minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
	.bk-grid { grid-template-columns: repeat(var(--g-l, 3), minmax(0, 1fr)); }
	.bk-grid--tpl-1-1 { grid-template-columns: minmax(0,1fr) minmax(0,1fr) !important; }
	.bk-grid--tpl-2-1 { grid-template-columns: minmax(0,2fr) minmax(0,1fr) !important; }
	.bk-grid--tpl-1-2 { grid-template-columns: minmax(0,1fr) minmax(0,2fr) !important; }
	.bk-grid--tpl-3-2 { grid-template-columns: minmax(0,3fr) minmax(0,2fr) !important; }
	.bk-grid--tpl-2-3 { grid-template-columns: minmax(0,2fr) minmax(0,3fr) !important; }
	.bk-grid--tpl-7-5 { grid-template-columns: minmax(0,7fr) minmax(0,5fr) !important; }
	.bk-grid--tpl-5-7 { grid-template-columns: minmax(0,5fr) minmax(0,7fr) !important; }
	.bk-grid--tpl-3-1 { grid-template-columns: minmax(0,3fr) minmax(0,1fr) !important; }
	.bk-grid--tpl-1-3 { grid-template-columns: minmax(0,1fr) minmax(0,3fr) !important; }
	.bk-grid--tpl-8-4 { grid-template-columns: minmax(0,2fr) minmax(0,1fr) !important; }
	.bk-grid--tpl-4-8 { grid-template-columns: minmax(0,1fr) minmax(0,2fr) !important; }
	.bk-grid--tpl-1-1-1 { grid-template-columns: repeat(3, minmax(0,1fr)) !important; }
	.bk-grid--tpl-2-1-1 { grid-template-columns: minmax(0,2fr) minmax(0,1fr) minmax(0,1fr) !important; }
	.bk-grid--tpl-1-2-1 { grid-template-columns: minmax(0,1fr) minmax(0,2fr) minmax(0,1fr) !important; }
	/* Cột đầu dính khi cuộn */
	.bk-grid--sticky { align-items: start; }
	.bk-grid--sticky > :first-child { position: sticky; top: calc(var(--bk-admin-h) + var(--bk-header-h) + 2rem); }
}
@media (min-width: 1440px) { .bk-grid:not([class*="bk-grid--tpl-"]) { grid-template-columns: repeat(var(--g-d, var(--g-l, 3)), minmax(0, 1fr)); } }
.bk-grid > .is-span-2 { grid-column: span min(2, var(--g-m, 1)); }
@media (min-width: 768px) { .bk-grid > .is-span-2 { grid-column: span min(2, var(--g-t, 2)); } }
@media (min-width: 1024px) { .bk-grid > .is-span-2 { grid-column: span 2; } .bk-grid > .is-span-3 { grid-column: span 3; } .bk-grid > .is-span-full { grid-column: 1 / -1; } }
.bk-grid--divided > * { position: relative; }
@media (min-width: 1024px) {
	.bk-grid--divided { --_gap: 0px; }
	.bk-grid--divided > * { padding-inline: clamp(1rem, .5rem + 1vw, 2rem); border-left: 1px solid var(--bk-line); }
	.bk-grid--divided > :first-child { border-left: 0; padding-left: 0; }
	.is-dark .bk-grid--divided > * { border-left-color: rgba(255,255,255,.16); }
}
.bk-grid--glass { padding: .75rem; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); border-radius: var(--bk-radius-lg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.bk-grid--boxed { --_gap: 1px; background: var(--bk-border); border: 1px solid var(--bk-border); border-radius: var(--bk-radius-xl); overflow: hidden; }
.bk-grid--boxed > * { border-radius: 0 !important; }
.bk-grid--boxed:has(> :is(.bk-card--dark, .bk-card--statement)) { background: rgba(255,255,255,.16); border-color: var(--bk-ink); }
/* Thẻ xếp chồng khi cuộn (sticky stack) */
.bk-grid--stack { display: flex !important; flex-direction: column; gap: clamp(1rem, .6rem + 1.5vw, 2rem); }
.bk-grid.bk-grid--stack > * { position: sticky; top: calc(var(--bk-admin-h) + var(--bk-header-h) + 1rem + var(--_i, 0) * 1.25rem); transform-origin: 50% 0; }
.bk-grid--stack > :nth-child(1) { --_i: 0; } .bk-grid--stack > :nth-child(2) { --_i: 1; } .bk-grid--stack > :nth-child(3) { --_i: 2; }
.bk-grid--stack > :nth-child(4) { --_i: 3; } .bk-grid--stack > :nth-child(5) { --_i: 4; } .bk-grid--stack > :nth-child(6) { --_i: 5; }
.bk-grid--stack > :nth-child(n+7) { --_i: 6; }
/* Có menu neo dính dưới header → chừa thêm chỗ cho các khối dính */
@media (min-width: 1024px) { body:has(.bk-subnav--sticky) .bk-grid--sticky > :first-child { top: calc(var(--bk-admin-h) + var(--bk-header-h) + 5.5rem); } }
body:has(.bk-subnav--sticky) .bk-grid.bk-grid--stack > * { top: calc(var(--bk-admin-h) + var(--bk-header-h) + 5rem + var(--_i, 0) * 1.25rem); }
html:has(.bk-subnav--sticky) { scroll-padding-top: calc(var(--bk-header-h) + 5rem); }
.bk-grid--stack > .bk-card { min-height: min(32rem, 70svh); box-shadow: 0 -.75rem 2rem -1.75rem rgba(15, 23, 42, .3); }
.bk-grid--stack > .bk-card .bk-card__content > h3 { font-size: clamp(1.625rem, 1.2rem + 1.7vw, 2.75rem); line-height: 1.12; letter-spacing: -.03em; }
.bk-grid--stack > .bk-card .bk-card__content { font-size: var(--bk-fs-md); max-width: 36rem; }
.bk-grid--stack > .bk-card .bk-card__num--big { font-size: clamp(2.5rem, 1.8rem + 2.6vw, 4.5rem); }
@media (max-width: 767px) { .bk-grid--stack > .bk-card { min-height: 0; } }

/* 11. CARD ----------------------------------------------------------------- */
.bk-card {
	--_pad: clamp(1.5rem, 1.1rem + 1.4vw, 2.5rem);
	position: relative;
	display: flex;
	flex-direction: column;
	background: var(--bk-mist);
	color: var(--bk-steel);
	border: 0;
	border-radius: var(--bk-radius-lg);
	overflow: hidden;
	text-align: left;
	transition: transform .6s var(--bk-ease), box-shadow .6s var(--bk-ease), background-color .45s ease, border-color .45s ease;
}
.bk-card .bk-card { height: auto; }
.bk-card--pad-sm { --_pad: clamp(1.125rem, .95rem + .6vw, 1.5rem); }
.bk-card--pad-lg { --_pad: clamp(1.75rem, 1.1rem + 2.6vw, 3.5rem); }
.bk-card--center { text-align: center; }
.bk-card--center .bk-card__top { justify-content: center; }
.bk-card--center .wp-block-buttons { justify-content: center; }
.bk-card--hover:hover { transform: translateY(-.375rem); box-shadow: var(--bk-shadow); }
.bk-card__glare { display: none; }
.bk-card__media { position: relative; overflow: hidden; background: var(--bk-ink-2); aspect-ratio: var(--_ratio, 16 / 9); flex: none; border-radius: inherit; border-bottom-left-radius: 0; border-bottom-right-radius: 0; }
.bk-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--bk-ease); }
.bk-card--hover:hover .bk-card__media img, .bk-card--overlay:hover .bk-card__bg img { transform: scale(1.06); }
.bk-card__badge { position: absolute; top: 1rem; left: 1rem; z-index: 3; padding: .3rem .7rem; border-radius: 999px; background: rgba(255,255,255,.92); color: var(--bk-ink); font-size: .6875rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; line-height: 1.5; backdrop-filter: blur(6px); }
.bk-card__body { position: relative; z-index: 2; display: flex; flex-direction: column; flex: 1; padding: var(--_pad); }
.bk-card__top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.bk-card__top:empty { display: none; }
.bk-card__content { flex: 1; --bk-flow: .75rem; font-size: var(--bk-fs-sm); line-height: 1.75; }
.bk-card__content > h3, .bk-card__content > h4 { margin: 0; color: var(--bk-ink); transition: color .35s ease; }
.bk-card__content > h3 { font-size: clamp(1.1875rem, 1.05rem + .6vw, 1.5rem); font-weight: 400; letter-spacing: -.02em; }
.bk-card--hover:hover .bk-card__content > h3:first-child, .bk-card--hover:hover .bk-card__content > .is-style-eyebrow + h3 { color: var(--bk-red); }
.bk-card__content > .is-style-eyebrow { margin-bottom: 0; line-height: 1.45; }
.bk-card__content > .is-style-eyebrow + :is(h2, h3, h4) { margin-top: .75rem; }
.bk-card__icon {
	display: inline-flex; align-items: center; justify-content: center; flex: none;
	width: 3.25rem; height: 3.25rem; border-radius: 50%;
	background: #fff; color: var(--bk-red); border: 1px solid var(--bk-line);
	transition: transform .6s var(--bk-ease), background-color .35s ease, color .35s ease, border-color .35s ease;
}
.bk-card__icon .bk-icon { font-size: 1.5rem; vertical-align: 0; }
.bk-card--hover:hover .bk-card__icon--box { background: var(--bk-red); color: #fff; border-color: var(--bk-red); transform: rotate(-12deg); }
.bk-card__icon--solid { background: var(--bk-red); color: #fff; border-color: var(--bk-red); }
.bk-card__icon--plain { width: auto; height: auto; background: none; border: 0; border-radius: 0; }
.bk-card__icon--plain .bk-icon { font-size: 2rem; }
.bk-card__icon--circle { border-radius: 50%; }
.bk-card__icon--sm { width: 2.75rem; height: 2.75rem; }
.bk-card__icon--sm .bk-icon { font-size: 1.3rem; }
.bk-card__num { color: var(--bk-red); line-height: 1; letter-spacing: -.02em; font-weight: 400; }
.bk-card__num--badge { display: inline-flex; align-items: center; justify-content: center; min-width: 3rem; height: 3rem; padding: 0 .75rem; border-radius: 999px; border: 1px solid currentColor; font-size: 1rem; font-weight: 500; }
.bk-card__num--big { font-size: clamp(2rem, 1.5rem + 2vw, 3.25rem); font-weight: 300; }
.bk-card__num--ghost { position: absolute; top: .75rem; right: 1.25rem; font-size: clamp(3.5rem, 2.6rem + 3vw, 6rem); font-weight: 300; color: transparent; -webkit-text-stroke: 1px rgba(184,29,36,.25); pointer-events: none; }
.bk-card__num--label { font-size: .8125rem; color: var(--bk-muted); letter-spacing: .06em; font-weight: 500; }
.bk-card__foot { display: flex; align-items: center; gap: .5rem; margin-top: 1.75rem; padding-top: 1.125rem; border-top: 1px solid var(--bk-line); font-size: .875rem; font-weight: 500; color: var(--bk-ink); }
.bk-card__foot a, .bk-card__foot span:first-child { color: inherit; flex: 1; }
.bk-card__foot .bk-icon { margin-left: auto; display: inline-flex; align-items: center; justify-content: center; width: 2.25rem; height: 2.25rem; border-radius: 50%; border: 1px solid var(--bk-line); font-size: 1.1rem; transition: transform .5s var(--bk-ease), background-color .35s ease, color .35s ease, border-color .35s ease; }
.bk-card:hover .bk-card__foot .bk-icon { transform: rotate(-45deg); background: var(--bk-red); color: #fff; border-color: var(--bk-red); }
.bk-card__foot--static { color: var(--bk-muted); font-weight: 500; }
.is-dark .bk-card__foot { color: #fff; border-top-color: rgba(255,255,255,.14); }
.is-dark .bk-card__foot .bk-icon { border-color: rgba(255,255,255,.28); }
.is-dark :is(.bk-card--default, .bk-card--white, .bk-card--muted, .bk-card--tinted, .bk-card--accent, .bk-card--accent-top, .bk-card--pastel) .bk-card__foot { color: var(--bk-ink); border-top-color: var(--bk-line); }
.is-dark :is(.bk-card--default, .bk-card--white, .bk-card--muted, .bk-card--tinted, .bk-card--accent, .bk-card--accent-top, .bk-card--pastel) .bk-card__foot .bk-icon { border-color: var(--bk-line); }
.is-dark .bk-card__foot--static, .bk-card--dark .bk-card__foot--static, .bk-card--glass .bk-card__foot--static { color: rgba(241,243,255,.65); }
.bk-card__stretched { position: absolute; inset: 0; z-index: 4; border-radius: inherit; }
.bk-card__stretched:focus-visible { outline-offset: -3px; }
.bk-card--inline .bk-card__body { flex-direction: row; flex-wrap: wrap; gap: 0 1.25rem; align-items: flex-start; }
.bk-card--inline .bk-card__content { flex: 1 1 0; min-width: 0; }
.bk-card--inline .bk-card__foot { flex: 1 1 100%; }
.bk-card--inline.bk-card--line .bk-card__num--big { min-width: 3.5rem; }
.bk-card--inline .bk-card__top { margin: 0; flex-direction: column; align-items: flex-start; }
@media (min-width: 768px) {
	.bk-card--side { flex-direction: row; }
	.bk-card--side .bk-card__media { width: 44%; aspect-ratio: auto; min-height: 100%; border-radius: inherit; border-top-right-radius: 0; border-bottom-right-radius: 0; }
	/* Thẻ xếp chồng: ảnh bên phải như Digren */
	.bk-grid--stack > .bk-card--side { flex-direction: row-reverse; }
	.bk-grid--stack > .bk-card--side .bk-card__media { margin: var(--_pad) var(--_pad) var(--_pad) 0; width: 40%; border-radius: var(--bk-radius); }
}
/* Biến thể thẻ */
.bk-card--white { background: #fff; box-shadow: 0 0 0 1px var(--bk-border); }
.bk-card--white.bk-card--hover:hover { box-shadow: 0 0 0 1px var(--bk-border), var(--bk-shadow); }
.bk-card--muted { background: var(--bk-surface-low); }
.bk-card--tinted { background: var(--bk-gray-50); box-shadow: inset 0 0 0 1px var(--bk-border); }
.bk-card--outline { background: transparent; box-shadow: inset 0 0 0 1px var(--bk-line); }
.bk-card--accent { background: #fff; box-shadow: inset 3px 0 0 var(--bk-red), 0 0 0 1px var(--bk-border); }
.bk-card--accent-top { background: #fff; box-shadow: inset 0 3px 0 var(--bk-red), 0 0 0 1px var(--bk-border); }
.bk-card--plain { background: transparent; border-radius: 0; --_pad: 0px; overflow: visible; }
.bk-card--plain .bk-card__media { border-radius: var(--bk-radius-lg); margin-bottom: 1.25rem; }
.bk-card--plain.bk-card--hover:hover { box-shadow: none; transform: none; }
.bk-card--line { background: transparent; border-radius: 0; box-shadow: none; border-top: 1px solid var(--bk-line); --_pad: 1.5rem 0 .5rem; overflow: visible; }
.bk-card--line.bk-card--hover:hover { transform: none; box-shadow: none; border-top-color: var(--bk-red); }
.bk-card--line .bk-card__num--big { font-size: clamp(1.5rem, 1.25rem + 1vw, 2.25rem); }
.bk-card--line .bk-card__foot { border-top: 0; padding-top: 0; margin-top: 1.25rem; }
.is-dark .bk-card--line { border-top-color: rgba(255,255,255,.2); color: rgba(241,243,255,.78); }
.is-dark .bk-card--line h3, .is-dark .bk-card--line h4 { color: #fff; }
.bk-card--dark { background: var(--bk-ink); color: rgba(241,243,255,.78); }
.bk-card--dark h2, .bk-card--dark h3, .bk-card--dark h4, .bk-card--dark strong { color: #fff; }
.bk-card--dark .bk-card__icon--box { background: transparent; border-color: rgba(255,255,255,.25); color: var(--bk-red-300); }
/* Thẻ lợi ích nền tối: icon tròn viền lớn bên trái */
.bk-card--dark.bk-card--inline .bk-card__icon { width: clamp(3.75rem, 3rem + 2vw, 5rem); height: clamp(3.75rem, 3rem + 2vw, 5rem); border: 1px solid rgba(255,255,255,.3); background: transparent; color: #fff; }
.bk-card--dark.bk-card--inline .bk-card__icon .bk-icon { font-size: clamp(1.625rem, 1.3rem + .8vw, 2.125rem); }
.bk-card--dark.bk-card--inline.bk-card--hover:hover .bk-card__icon { background: var(--bk-red); border-color: var(--bk-red); transform: rotate(-12deg); }
.bk-card--dark.bk-card--inline .bk-card__content > h3 { font-size: clamp(1.125rem, 1rem + .45vw, 1.375rem); font-weight: 500; }
.bk-card--dark .bk-card__foot { border-top-color: rgba(255,255,255,.14); color: #fff; }
.bk-card--glass { background: rgba(255,255,255,.08); color: rgba(241,243,255,.8); box-shadow: inset 0 0 0 1px rgba(255,255,255,.16); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.bk-card--glass h3, .bk-card--glass h4, .bk-card--glass strong { color: #fff; }
.bk-card--glass .bk-card__icon--box { background: transparent; border-color: rgba(255,255,255,.3); color: #fff; }
.bk-card--glass .bk-card__foot { border-top-color: rgba(255,255,255,.16); color: #fff; }
.bk-card--glass.bk-card--hover:hover, .bk-card--dark.bk-card--hover:hover { box-shadow: inset 0 0 0 1px rgba(255,255,255,.3); }
.bk-card--primary { background: var(--bk-red); color: rgba(255,255,255,.9); }
.bk-card--primary h3, .bk-card--primary h4, .bk-card--primary strong, .bk-card--primary .bk-card__num { color: #fff; }
.bk-card--primary .bk-card__icon--box { background: transparent; border-color: rgba(255,255,255,.4); color: #fff; }
.bk-card--primary .bk-card__foot { color: #fff; border-top-color: rgba(255,255,255,.25); }
.bk-card--primary .bk-card__foot .bk-icon { border-color: rgba(255,255,255,.4); }
.bk-card--primary a:not(.wp-block-button__link):not(.bk-btn), .bk-section--primary a:not(.wp-block-button__link):not(.bk-btn):not(.bk-chip) { color: #fff !important; text-decoration: underline; text-underline-offset: 3px; }
.bk-card--primary :is(.is-style-eyebrow, .is-style-code, .bk-head__eyebrow, .is-accent, .bk-card__icon--plain), .bk-section--primary :is(.is-style-code, .is-accent, .bk-card__icon--plain) { color: #fff !important; }
.bk-card--primary .bk-card--plain, .bk-card--primary .bk-card--line { color: rgba(255,255,255,.9); }
.bk-card--primary .bk-card--line { border-top-color: rgba(255,255,255,.35); }
.bk-card--primary.bk-card--hover:hover { background: var(--bk-red-hover); }
.bk-card--primary.bk-card--hover:hover .bk-card__content > h3 { color: #fff !important; }
.bk-card--dark .bk-card__content > h3, .bk-card--glass .bk-card__content > h3, .bk-card--primary .bk-card__content > h3 { color: #fff; }
.bk-card--dark.bk-card--hover:hover .bk-card__content > h3:first-child, .bk-card--glass.bk-card--hover:hover .bk-card__content > h3:first-child { color: var(--bk-red-300); }
.is-dark .bk-card--outline { box-shadow: inset 0 0 0 1px rgba(255,255,255,.2); color: rgba(241,243,255,.78); }
.is-dark .bk-card--outline h3, .is-dark .bk-card--outline h4 { color: #fff; }
.is-dark :is(.bk-card--plain, .bk-card--line, .bk-card--outline) > .bk-card__body > .bk-card__content > :is(h2, h3, h4) { color: #fff; }
.is-dark :is(.bk-card--default, .bk-card--white, .bk-card--muted, .bk-card--tinted, .bk-card--accent, .bk-card--accent-top, .bk-card--pastel) :is(.bk-card--plain, .bk-card--line, .bk-card--outline) > .bk-card__body > .bk-card__content > :is(h2, h3, h4) { color: var(--bk-ink); }
.is-dark .bk-card--plain { color: rgba(241,243,255,.78); }
/* Thẻ pastel viền đậm (ESG) */
.bk-card--pastel { background: var(--_tint, var(--bk-tint-gray)); box-shadow: inset 0 0 0 1.5px var(--bk-ink); border-radius: var(--bk-radius-xl); }
.bk-card--pastel.bk-card--hover:hover { transform: translateY(-.375rem) rotate(-.6deg); box-shadow: inset 0 0 0 1.5px var(--bk-ink), var(--bk-shadow); }
.bk-card--pastel .bk-card__content > h3 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.375rem); font-weight: 400; }
.bk-card--tone-red { --_tint: var(--bk-tint-red); } .bk-card--tone-green { --_tint: var(--bk-tint-green); } .bk-card--tone-blue { --_tint: var(--bk-tint-blue); }
.bk-card--tone-amber { --_tint: var(--bk-tint-amber); } .bk-card--tone-gray { --_tint: var(--bk-tint-gray); }
.bk-card--tinted.bk-card--tone-red, .bk-card--default.bk-card--tone-red { background: var(--bk-tint-red); }
.bk-card--default.bk-card--tone-green { background: var(--bk-tint-green); } .bk-card--default.bk-card--tone-blue { background: var(--bk-tint-blue); } .bk-card--default.bk-card--tone-amber { background: var(--bk-tint-amber); }
/* Hộp tuyên bố: nền tối, bo lớn góc phải trên */
.bk-card--statement { background: var(--bk-ink); color: rgba(241,243,255,.86); border-radius: 0 clamp(2.5rem, 1.5rem + 4vw, 6rem) 0 0; }
.bk-card--statement :is(h2, h3, h4, strong) { color: #fff; }
.bk-card--statement .bk-card__content { font-size: clamp(1rem, .92rem + .4vw, 1.25rem); line-height: 1.7; font-weight: 300; }
.bk-card--statement.bk-card--hover:hover { transform: none; box-shadow: none; }
/* Thẻ ảnh nền, chữ phía dưới */
.bk-card--overlay { min-height: var(--_h, 24rem); background: var(--bk-ink); color: rgba(241,243,255,.82); justify-content: flex-end; }
.bk-card--overlay.bk-card--hover:hover { box-shadow: var(--bk-shadow-lg); }
.bk-card--overlay .bk-card__bg { position: absolute; inset: 0; z-index: 0; }
.bk-card--overlay .bk-card__bg img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--bk-ease); }
.bk-card--overlay .bk-card__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,15,29,.92) 0%, rgba(10,15,29,.55) 42%, rgba(10,15,29,0) 75%); }
.bk-card--overlay .bk-card__body { flex: 0 0 auto; margin-top: auto; }
.bk-card--overlay h3, .bk-card--overlay h4, .bk-card--overlay strong { color: #fff; }
.bk-card--overlay.bk-card--hover:hover .bk-card__content > h3 { color: #fff !important; }
.bk-card--overlay .is-style-eyebrow { color: #fff; opacity: .8; }
.bk-card--overlay .bk-card__content > :not(h2):not(h3):not(h4):not(.is-style-eyebrow) { max-height: 0; opacity: 0; transform: translateY(.5rem); transition: max-height .7s var(--bk-ease), opacity .5s ease, transform .6s var(--bk-ease); overflow: hidden; }
.bk-card--overlay:hover .bk-card__content > :not(h2):not(h3):not(h4):not(.is-style-eyebrow), .bk-card--overlay:focus-within .bk-card__content > :not(h2):not(h3):not(h4):not(.is-style-eyebrow) { max-height: 14rem; opacity: 1; transform: none; }
@media (hover: none) { .bk-card--overlay .bk-card__content > :not(h2):not(h3):not(h4):not(.is-style-eyebrow) { max-height: none; opacity: 1; transform: none; } }
/* Ảnh banner lớn có tiêu đề (thẻ ảnh nền chứa tiêu đề H2) */
.bk-card--overlay .bk-card__content > h2 { color: #fff; font-size: var(--bk-fs-h2); line-height: 1.08; letter-spacing: -.03em; font-weight: 400; max-width: 18ch; margin: 0; }
.bk-card--overlay:has(.bk-card__content > h2) { --_pad: clamp(1.5rem, 1rem + 3vw, 4rem); }
.bk-card--overlay:has(.bk-card__content > h2) .bk-card__content > :not(h2):not(.is-style-eyebrow) { max-height: none; opacity: 1; transform: none; max-width: 42rem; }
.bk-card--overlay:has(.bk-card__content > h2):hover { transform: none; }
.bk-card--h-md { --_h: 20rem; }
.bk-card--h-lg { --_h: 28rem; }
.bk-card--h-xl { --_h: 36rem; }

/* 12. FIGURE --------------------------------------------------------------- */
.bk-figure { position: relative; margin: 0; }
.bk-figure__frame { position: relative; overflow: hidden; border-radius: var(--bk-radius-lg); background: var(--bk-ink-2); aspect-ratio: var(--_ratio, auto); height: var(--_h, auto); }
.bk-figure--rounded-none .bk-figure__frame { border-radius: 0; }
.bk-figure--shape-leaf .bk-figure__frame { border-radius: clamp(3rem, 2rem + 5vw, 8rem) 0 clamp(3rem, 2rem + 5vw, 8rem) 0; }
.bk-figure--shape-leaf-alt .bk-figure__frame { border-radius: 0 clamp(3rem, 2rem + 5vw, 8rem) 0 clamp(3rem, 2rem + 5vw, 8rem); }
.bk-figure--shape-arch .bk-figure__frame { border-radius: 999px 999px var(--bk-radius-lg) var(--bk-radius-lg); }
.bk-figure--shape-circle .bk-figure__frame { border-radius: 50%; aspect-ratio: 1; }
.bk-figure__frame img { width: 100%; height: 100%; object-fit: var(--_fit, cover); transition: transform 1.4s var(--bk-ease); }
.bk-figure[style*="--_ratio"] .bk-figure__frame img, .bk-figure[style*="--_h"] .bk-figure__frame img, .bk-figure--shape-circle .bk-figure__frame img { position: absolute; inset: 0; }
.bk-figure--zoom:hover .bk-figure__frame img { transform: scale(1.05); }
/* Máy tính bảng / điện thoại: ảnh dọc trong lưới không cao quá màn hình */
@media (max-width: 1023px) { .bk-figure[style*="--_ratio"] .bk-figure__frame { max-height: min(75svh, 36rem); } }
.bk-figure--framed { padding: .625rem; background: #fff; border-radius: calc(var(--bk-radius-lg) + .625rem); box-shadow: 0 0 0 1px var(--bk-border), var(--bk-shadow-lg); }
.bk-figure--shade .bk-figure__frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,15,29,.7), transparent 55%); pointer-events: none; }
.bk-figure__caption { position: absolute; left: 1rem; bottom: 1rem; z-index: 2; max-width: calc(100% - 2rem); display: inline-flex; align-items: center; gap: .5rem; padding: .4rem .8rem; border-radius: 999px; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); color: var(--bk-ink); font-size: .75rem; font-weight: 500; line-height: 1.4; }
.bk-figure__frame:has(+ .bk-figure__badge) .bk-figure__caption { top: 1rem; bottom: auto; }
.bk-figure__caption::before { content: ""; width: .375rem; height: .375rem; border-radius: 50%; background: var(--bk-red); flex: none; }
.bk-figure__badge { position: absolute; left: 1rem; right: 1rem; bottom: 1rem; z-index: 3; padding: 1.125rem 1.375rem; background: rgba(255,255,255,.95); backdrop-filter: blur(10px); border-radius: var(--bk-radius); box-shadow: var(--bk-shadow); }
@media (min-width: 640px) { .bk-figure__badge { right: auto; max-width: 23rem; left: 1.5rem; bottom: 1.5rem; } }
.bk-figure__badge-title { display: block; color: var(--bk-red); font-size: .6875rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; }
.bk-figure__badge-text { display: block; margin-top: .375rem; color: var(--bk-ink); font-weight: 400; font-size: 1.0625rem; line-height: 1.45; letter-spacing: -.01em; }
.bk-figure figcaption.bk-figure__note { margin-top: .75rem; font-size: .8125rem; color: var(--bk-muted); }
/* Hiệu ứng mở ảnh khi cuộn */
.js .bk-figure.bk-reveal { opacity: 1; transform: none; }
.js .bk-figure.bk-reveal .bk-figure__frame { clip-path: inset(12% 6% 12% 6% round var(--bk-radius-lg)); transition: clip-path 1.4s var(--bk-ease); }
.js .bk-figure.bk-reveal .bk-figure__frame img { transform: scale(1.18); transition: transform 1.8s var(--bk-ease); }
.js .bk-figure.bk-reveal.is-in .bk-figure__frame { clip-path: inset(0 0 0 0 round 0); }
.js .bk-figure.bk-reveal.is-in .bk-figure__frame img { transform: scale(1); }
.js .bk-figure.bk-reveal.is-in.bk-figure--zoom:hover .bk-figure__frame img { transform: scale(1.05); }

/* Hình trang trí "cánh hoa" */
.bk-petals { --_s: clamp(4.5rem, 3rem + 6vw, 9rem); display: grid; grid-template-columns: repeat(2, var(--_s)); grid-auto-rows: var(--_s); gap: 0; width: max-content; max-width: 100%; }
.bk-petals--sm { --_s: clamp(3rem, 2.4rem + 2.5vw, 5rem); }
.bk-petals--lg { --_s: clamp(5.5rem, 3.5rem + 8vw, 11rem); }
.bk-petals--center { margin-inline: auto; }
.bk-petals--right { margin-left: auto; }
.bk-petals i { display: block; background: var(--_c1); transition: border-radius 1.2s var(--bk-ease), transform 1.2s var(--bk-ease); }
.bk-petals i:nth-child(1) { border-radius: 50% 50% 0 50%; background: var(--_c3); }
.bk-petals i:nth-child(2) { border-radius: 0 100% 0 0; background: var(--_c1); }
.bk-petals i:nth-child(3) { border-radius: 50%; background: var(--_c3); }
.bk-petals i:nth-child(4) { border-radius: 50% 50% 50% 0; background: var(--_c3); }
.bk-petals i:nth-child(5) { border-radius: 0 0 0 100%; background: var(--_c2); }
.bk-petals i:nth-child(6) { border-radius: 0 50% 50% 50%; background: var(--_c3); }
.bk-petals--brand { --_c1: var(--bk-red); --_c2: var(--bk-ink-3); --_c3: var(--bk-cream); }
.bk-petals--dark { --_c1: var(--bk-red); --_c2: var(--bk-red-300); --_c3: rgba(255, 255, 255, .1); }
.bk-petals--soft { --_c1: var(--bk-red-200); --_c2: var(--bk-surface-high); --_c3: var(--bk-mist); }
.js .bk-petals.bk-reveal i { transform: scale(.4) rotate(-90deg); opacity: 0; transition: transform 1.2s var(--bk-ease), opacity .8s ease; }
.js .bk-petals.bk-reveal.is-in i { transform: none; opacity: 1; }
.js .bk-petals.bk-reveal.is-in i:nth-child(2) { transition-delay: .08s; } .js .bk-petals.bk-reveal.is-in i:nth-child(3) { transition-delay: .16s; }
.js .bk-petals.bk-reveal.is-in i:nth-child(4) { transition-delay: .24s; } .js .bk-petals.bk-reveal.is-in i:nth-child(5) { transition-delay: .32s; } .js .bk-petals.bk-reveal.is-in i:nth-child(6) { transition-delay: .4s; }
.bk-petals:hover i:nth-child(odd) { border-radius: 50%; }
.js .bk-petals.bk-reveal { opacity: 1; transform: none; }

/* 13. STAT ----------------------------------------------------------------- */
.bk-stat { position: relative; display: flex; flex-direction: column; gap: .5rem; text-align: center; align-items: center; height: 100%; }
.bk-stat--left { text-align: left; align-items: flex-start; }
.bk-stat__icon { display: inline-flex; width: 3rem; height: 3rem; align-items: center; justify-content: center; border-radius: 50%; border: 1px solid var(--bk-line); color: var(--bk-red); margin-bottom: .5rem; }
.bk-stat__icon .bk-icon { font-size: 1.4rem; vertical-align: 0; }
.bk-stat__value { position: relative; z-index: 1; display: inline-flex; align-items: baseline; gap: .04em; font-weight: 300; font-size: clamp(2.75rem, 1.9rem + 3.6vw, 5rem); line-height: 1; color: var(--bk-ink); letter-spacing: -.05em; font-variant-numeric: tabular-nums; }
.bk-stat__prefix, .bk-stat__suffix { font-size: .6em; letter-spacing: -.02em; }
.bk-stat--accent .bk-stat__value { color: var(--bk-red); }
.bk-stat--sm .bk-stat__value { font-size: clamp(1.625rem, 1.3rem + 1.3vw, 2.5rem); letter-spacing: -.03em; }
.bk-stat--lg .bk-stat__value { font-size: clamp(3.25rem, 2.2rem + 4.5vw, 6.5rem); }
.bk-stat__label { position: relative; z-index: 1; font-size: .9375rem; font-weight: 400; color: var(--bk-steel); line-height: 1.45; }
.bk-stat__text { position: relative; z-index: 1; font-size: .875rem; color: var(--bk-muted); margin: 0; }
.bk-stat__ghost { display: none; }
.bk-stat--card, .bk-stat--ghost { padding: clamp(1.5rem, 1.1rem + 1.4vw, 2.5rem); background: var(--bk-mist); border-radius: var(--bk-radius-lg); justify-content: center; transition: transform .6s var(--bk-ease), background-color .4s ease; }
.bk-stat--ghost { background: transparent; border-top: 1px solid var(--bk-line); border-radius: 0; padding-inline: 0; align-items: flex-start; text-align: left; justify-content: flex-start; }
.bk-stat--card:hover { transform: translateY(-.375rem); }
.bk-stat--glass { padding: 1.5rem; background: rgba(255,255,255,.07); border-radius: var(--bk-radius-lg); box-shadow: inset 0 0 0 1px rgba(255,255,255,.14); backdrop-filter: blur(10px); }
.bk-stat--glass .bk-stat__value { color: #fff; }
.bk-stat--glass.bk-stat--accent .bk-stat__value { color: var(--bk-red-300); }
.bk-stat--glass .bk-stat__label { color: rgba(241,243,255,.75); }
.bk-stat--outline { padding: 1.5rem; border-radius: var(--bk-radius-lg); box-shadow: inset 0 0 0 1px var(--bk-line); }
.bk-stat--bar { padding: 0 0 0 1.25rem; border-left: 1px solid var(--bk-red); text-align: left; align-items: flex-start; }
.is-dark .bk-stat--plain .bk-stat__value, .is-dark .bk-stat--bar .bk-stat__value, .is-dark .bk-stat--ghost .bk-stat__value { color: #fff; }
.is-dark .bk-stat--plain.bk-stat--accent .bk-stat__value, .is-dark .bk-stat--bar.bk-stat--accent .bk-stat__value, .is-dark .bk-stat--ghost.bk-stat--accent .bk-stat__value { color: var(--bk-red-300); }
.is-dark .bk-stat--plain .bk-stat__label, .is-dark .bk-stat--bar .bk-stat__label, .is-dark .bk-stat--ghost .bk-stat__label { color: rgba(241,243,255,.75); }
.is-dark .bk-stat--ghost { border-top-color: rgba(255,255,255,.2); }
.is-dark .bk-stat--plain .bk-stat__text { color: rgba(241,243,255,.6); }
.is-dark .bk-stat--outline { box-shadow: inset 0 0 0 1px rgba(255,255,255,.2); }
.is-dark .bk-stat--outline .bk-stat__value { color: #fff; }
.is-dark .bk-stat--outline .bk-stat__label { color: rgba(241,243,255,.75); }
.is-dark .bk-stat__icon { border-color: rgba(255,255,255,.25); color: var(--bk-red-300); }

/* 14. STEPS ---------------------------------------------------------------- */
.bk-steps { counter-reset: bkstep; display: grid; gap: clamp(1.25rem, 1rem + 1vw, 2rem); grid-template-columns: minmax(0,1fr); position: relative; }
.bk-step { counter-increment: bkstep; position: relative; min-width: 0; }
.bk-step__num::before { content: counter(bkstep, decimal-leading-zero); }
.bk-step__num[data-label]::before { content: attr(data-label); }
.bk-step__num {
	position: relative; z-index: 2;
	display: inline-flex; align-items: center; justify-content: center;
	min-width: 3.5rem; height: 3.5rem; padding: 0 .5rem; border-radius: 50%;
	background: #fff; color: var(--bk-ink); border: 1px solid var(--bk-ink);
	font-weight: 400; font-size: 1rem; letter-spacing: 0;
	transition: background-color .45s var(--bk-ease), color .45s var(--bk-ease), border-color .45s var(--bk-ease), transform .45s var(--bk-ease);
}
.bk-step:hover .bk-step__num { background: var(--bk-red); color: #fff; border-color: var(--bk-red); transform: rotate(-8deg); }
.bk-step__num--wide { border-radius: 999px; padding: 0 1rem; font-size: .8125rem; letter-spacing: .06em; }
.bk-step__icon { color: var(--bk-red); font-size: 1.75rem; }
.bk-step__meta { display: inline-block; margin-top: .25rem; font-size: .75rem; font-weight: 500; letter-spacing: .06em; color: var(--bk-muted); }
.bk-step__content { --bk-flow: .6rem; font-size: var(--bk-fs-sm); line-height: 1.75; color: var(--bk-steel); }
.bk-step__content > h3, .bk-step__content > h4 { margin: 0; font-size: clamp(1.0625rem, 1rem + .35vw, 1.3125rem); font-weight: 500; }
.is-dark .bk-step__num { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.is-dark .bk-step__content { color: rgba(241,243,255,.75); }
.bk-steps--horizontal .bk-step { display: grid; grid-template-columns: auto minmax(0,1fr); gap: 1.25rem; align-items: start; }
.bk-steps--horizontal .bk-step__head { display: flex; flex-direction: column; align-items: center; gap: .5rem; }
@media (max-width: 1023px) {
	.bk-steps--horizontal .bk-step:not(:last-child)::after { content: ""; position: absolute; left: 1.75rem; top: 3.75rem; bottom: calc(-1 * clamp(1.25rem, 1rem + 1vw, 2rem)); width: 1px; background: var(--bk-line); }
	.is-dark .bk-steps--horizontal .bk-step:not(:last-child)::after { background: rgba(255,255,255,.2); }
}
@media (min-width: 1024px) {
	.bk-steps--horizontal { grid-template-columns: repeat(var(--n, 4), minmax(0,1fr)); }
	.bk-steps--horizontal::before { content: ""; position: absolute; top: 1.75rem; left: 0; right: 0; height: 1px; background: var(--bk-line); }
	.is-dark .bk-steps--horizontal::before { background: rgba(255,255,255,.2); }
	.bk-steps--horizontal .bk-step { grid-template-columns: minmax(0,1fr); }
	.bk-steps--horizontal .bk-step__head { align-items: flex-start; }
}
.bk-steps--vertical { gap: 0; }
.bk-steps--vertical .bk-step { display: grid; grid-template-columns: auto minmax(0,1fr); gap: 1.5rem; padding-bottom: clamp(1.75rem, 1.4rem + 1.2vw, 2.75rem); }
.bk-steps--vertical .bk-step:not(:last-child)::after { content: ""; position: absolute; left: 1.75rem; top: 3.5rem; bottom: 0; width: 1px; background: var(--bk-line); }
.is-dark .bk-steps--vertical .bk-step:not(:last-child)::after { background: rgba(255,255,255,.2); }
.bk-steps--vertical .bk-step__content { padding-top: .875rem; }
.bk-steps--cards { grid-template-columns: repeat(1, minmax(0,1fr)); }
@media (min-width: 768px) { .bk-steps--cards { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (min-width: 1024px) { .bk-steps--cards { grid-template-columns: repeat(var(--n, 3), minmax(0,1fr)); } }
.bk-steps--cards .bk-step { padding: clamp(1.5rem, 1.2rem + 1vw, 2.25rem); background: var(--bk-mist); border-radius: var(--bk-radius-lg); transition: transform .6s var(--bk-ease), background-color .4s ease; }
.bk-steps--cards .bk-step:hover { transform: translateY(-.375rem); }
.bk-steps--cards .bk-step__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; }
.bk-steps--cards .bk-step__num { background: transparent; }
.is-dark .bk-steps--cards .bk-step { background: rgba(255,255,255,.06); }
.bk-steps--compact { grid-template-columns: repeat(1, minmax(0,1fr)); gap: .75rem; }
@media (min-width: 768px) { .bk-steps--compact { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (min-width: 1024px) { .bk-steps--compact { grid-template-columns: repeat(var(--n, 4), minmax(0,1fr)); } }
.bk-steps--compact .bk-step { display: flex; gap: 1rem; align-items: flex-start; padding: 1.25rem; background: var(--bk-mist); border-radius: var(--bk-radius); }
.bk-steps--compact .bk-step__num { min-width: 2.5rem; height: 2.5rem; font-size: .8125rem; }
.is-dark .bk-steps--compact .bk-step { background: rgba(255,255,255,.06); }

/* 16. CAROUSEL ------------------------------------------------------------- */
.bk-carousel { position: relative; --_gap: clamp(1rem, .7rem + 1.2vw, 1.75rem); }
.bk-carousel__track {
	display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - (var(--pv-m, 1) - 1) * var(--_gap)) / var(--pv-m, 1));
	gap: var(--_gap); overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth;
	scrollbar-width: none; padding: .5rem .25rem 1rem; margin: -.5rem -.25rem 0; overscroll-behavior-x: contain;
	cursor: grab;
}
.bk-carousel__track.is-dragging { cursor: grabbing; scroll-snap-type: none; scroll-behavior: auto; }
.bk-carousel__track.is-dragging * { pointer-events: none; }
.bk-carousel__track::-webkit-scrollbar { display: none; }
.bk-carousel__track > * { scroll-snap-align: start; margin: 0 !important; min-width: 0; }
@media (max-width: 767px) { .bk-carousel__track { grid-auto-columns: calc((100% - (var(--pv-m, 1) - 1) * var(--_gap)) / var(--pv-m, 1) * .86); } }
@media (min-width: 768px) { .bk-carousel__track { grid-auto-columns: calc((100% - (var(--pv-t, 2) - 1) * var(--_gap)) / (var(--pv-t, 2) + .25)); } }
@media (min-width: 1024px) { .bk-carousel__track { grid-auto-columns: calc((100% - (var(--pv-l, 3) - 1) * var(--_gap)) / (var(--pv-l, 3) + .3)); } }
@media (min-width: 1440px) { .bk-carousel__track { grid-auto-columns: calc((100% - (var(--pv-d, 3) - 1) * var(--_gap)) / (var(--pv-d, 3) + .3)); } }
/* Tràn ra mép phải màn hình */
.bk-carousel--bleed { margin-right: calc(-1 * max(var(--bk-gutter), (100vw - var(--bk-container)) / 2)); }
.bk-carousel--bleed .bk-carousel__track { padding-right: max(var(--bk-gutter), (100vw - var(--bk-container)) / 2); scroll-padding-right: max(var(--bk-gutter), (100vw - var(--bk-container)) / 2); }
.bk-carousel--bleed .bk-carousel__nav { margin-right: max(var(--bk-gutter), (100vw - var(--bk-container)) / 2); }
.bk-carousel__nav { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; margin-top: 1.5rem; }
.bk-carousel__dots { display: flex; gap: 0; flex: 1; max-width: 20rem; height: 2px; background: var(--bk-line); }
.bk-carousel__dot { flex: 1; height: 2px; padding: 0; border: 0; border-radius: 0; background: transparent; transition: background-color .45s var(--bk-ease); }
.bk-carousel__dot.is-active { background: var(--bk-ink); }
.bk-carousel__arrows { display: flex; gap: .5rem; margin-left: auto; }
.bk-carousel__arrow { width: 3.25rem; height: 3.25rem; display: inline-flex; align-items: center; justify-content: center; padding: 0; border-radius: 50%; border: 1px solid var(--bk-ink); background: transparent; color: var(--bk-ink); transition: background-color .35s var(--bk-ease), color .35s ease, border-color .35s ease; }
.bk-carousel__arrow:hover:not(:disabled) { background: var(--bk-red); border-color: var(--bk-red); color: #fff; }
.bk-carousel__arrow:disabled { opacity: .3; cursor: default; }
.is-dark .bk-carousel__arrow { color: #fff; border-color: rgba(255,255,255,.55); }
.is-dark .bk-carousel__dots { background: rgba(255,255,255,.2); }
.is-dark .bk-carousel__dot.is-active { background: #fff; }

/* 19. BADGES --------------------------------------------------------------- */
.bk-badges { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.bk-badges--center { justify-content: center; }
.bk-badge { display: inline-flex; align-items: center; gap: .4rem; padding: .375rem .875rem; border-radius: 999px; font-size: .75rem; font-weight: 500; letter-spacing: .02em; line-height: 1.4; background: var(--bk-mist); color: var(--bk-ink); border: 1px solid transparent; }
.bk-badge .bk-icon { font-size: 1rem; color: var(--bk-red); }
.bk-badges--tag .bk-badge { border-radius: 0 .625rem 0 0; background: var(--bk-ink); color: var(--bk-cream); text-transform: uppercase; letter-spacing: .14em; font-size: .6875rem; font-weight: 600; }
.bk-badges--tag .bk-badge .bk-icon { color: var(--bk-red-300); }
.bk-badges--outline .bk-badge { background: transparent; border-color: var(--bk-line); color: var(--bk-steel); }
.bk-badges--dark .bk-badge { background: var(--bk-ink); color: #fff; }
.bk-badges--glass .bk-badge, .is-dark .bk-badges--pill .bk-badge { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.22); backdrop-filter: blur(10px); }
.bk-badges--glass .bk-badge .bk-icon, .is-dark .bk-badges--pill .bk-badge .bk-icon { color: var(--bk-red-300); }
.bk-hero .bk-badges--pill .bk-badge { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.25); backdrop-filter: blur(10px); }
.bk-hero .bk-badges--pill .bk-badge .bk-icon { color: var(--bk-red-300); }
.is-dark .bk-badges--outline .bk-badge { border-color: rgba(255,255,255,.25); color: rgba(241,243,255,.85); }
.is-dark .bk-badges--tag .bk-badge { background: #fff; color: var(--bk-ink); }
.bk-badges--lg .bk-badge { font-size: .8125rem; padding: .5rem 1.125rem; }

/* 20. SUBNAV (menu neo trong trang) ---------------------------------------- */
.bk-subnav { position: relative; z-index: 50; background: transparent; padding-block: .75rem; }
.bk-subnav--sticky { position: sticky; top: calc(var(--bk-admin-h) + var(--bk-header-h) + .25rem); }
.bk-subnav__inner { display: flex; align-items: center; gap: .75rem; padding: .375rem; background: rgba(255,255,255,.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border: 1px solid var(--bk-border); border-radius: 999px; box-shadow: 0 .5rem 1.5rem -1rem rgba(15,23,42,.3); }
.bk-subnav__list { display: flex; gap: .125rem; list-style: none; margin: 0; padding: 0; overflow-x: auto; scrollbar-width: none; flex: 1; -webkit-overflow-scrolling: touch; }
.bk-subnav__list::-webkit-scrollbar { display: none; }
.bk-subnav__link { display: inline-flex; align-items: center; gap: .4rem; padding: .55rem .9rem; color: var(--bk-steel); font-size: .875rem; font-weight: 400; white-space: nowrap; border-radius: 999px; transition: color .25s ease, background-color .25s ease; }
.bk-subnav__link .bk-icon { font-size: 1rem; }
.bk-subnav__link:hover { color: var(--bk-ink); background: var(--bk-mist); }
.bk-subnav__link.is-active { color: #fff; background: var(--bk-ink); }
.bk-subnav__cta { display: none; flex: none; }
@media (min-width: 1024px) { .bk-subnav__cta { display: inline-flex; } }

/* 21. POSTS ---------------------------------------------------------------- */
.bk-posts { display: grid; gap: clamp(1.25rem, 1rem + 1vw, 2rem); grid-template-columns: minmax(0,1fr); }
@media (min-width: 768px) { .bk-posts--grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (min-width: 1024px) { .bk-posts--grid { grid-template-columns: repeat(var(--cols, 3), minmax(0,1fr)); } }
.bk-post-card { position: relative; display: flex; flex-direction: column; height: 100%; background: var(--bk-mist); border-radius: var(--bk-radius-lg); overflow: hidden; transition: transform .6s var(--bk-ease), box-shadow .6s var(--bk-ease); }
.bk-post-card:hover { transform: translateY(-.375rem); box-shadow: var(--bk-shadow); }
.bk-post-card__media { display: block; position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--bk-ink); margin: .625rem .625rem 0; border-radius: calc(var(--bk-radius-lg) - .375rem); }
.bk-post-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--bk-ease); }
.bk-post-card:hover .bk-post-card__media img { transform: scale(1.06); }
.bk-post-card__placeholder { display: flex; width: 100%; height: 100%; align-items: center; justify-content: center; color: var(--bk-red-300); background: radial-gradient(circle at 30% 30%, #1e293b, #0a0f1d); }
.bk-post-card__placeholder .bk-icon { font-size: 3rem; }
.bk-post-card__cat { position: absolute; top: 1.25rem; left: 1.25rem; z-index: 2; padding: .3rem .75rem; border-radius: 999px; background: rgba(255,255,255,.92); color: var(--bk-ink) !important; font-size: .6875rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; backdrop-filter: blur(6px); }
.bk-post-card__cat:hover { background: var(--bk-red); color: #fff !important; }
.bk-post-card__body { display: flex; flex-direction: column; gap: .625rem; padding: 1.25rem 1.5rem 0; flex: 1; }
.bk-post-card__meta { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; font-size: .78rem; color: var(--bk-muted); font-weight: 400; }
.bk-post-card__meta::before { content: ""; width: 1.625rem; height: 1.625rem; border-radius: 50%; background: var(--bk-red) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 48 48'%3E%3Cpath d='M27.5 6 13 27h9.5L19 42l16-22.5h-9.8L27.5 6Z' fill='%23fff'/%3E%3C/svg%3E") center/62% no-repeat; flex: none; margin-right: .25rem; }
.bk-post-card__meta .bk-icon { display: none; }
.bk-post-card__title { margin: 0; font-size: clamp(1.125rem, 1.02rem + .45vw, 1.375rem); line-height: 1.35; font-weight: 400; letter-spacing: -.015em; text-transform: none; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.bk-post-card__title a { color: var(--bk-ink); }
.bk-post-card__title a:hover, .bk-post-card:hover .bk-post-card__title a { color: var(--bk-red); }
.bk-post-card__excerpt { margin: 0; font-size: .875rem; color: var(--bk-steel); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.bk-post-card__foot { display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: 1.125rem 1.5rem 1.5rem; margin-top: .75rem; }
.bk-post-card__time { display: inline-flex; align-items: center; gap: .3rem; font-size: .78rem; color: var(--bk-muted); }
.bk-post-card__time .bk-icon { font-size: .95rem; }
.bk-link-arrow { display: inline-flex; align-items: center; gap: .5rem; font-size: .875rem; font-weight: 500; color: var(--bk-ink); }
.bk-link-arrow .bk-icon { display: inline-flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; border-radius: 50%; border: 1px solid var(--bk-line); font-size: 1rem; transition: transform .5s var(--bk-ease), background-color .3s ease, color .3s ease, border-color .3s ease; }
.bk-link-arrow:hover, .bk-post-card:hover .bk-link-arrow { color: var(--bk-red); }
.bk-link-arrow:hover .bk-icon, .bk-post-card:hover .bk-link-arrow .bk-icon { transform: rotate(-45deg); background: var(--bk-red); border-color: var(--bk-red); color: #fff; }
.bk-posts--featured { grid-template-columns: minmax(0,1fr); }
@media (min-width: 1024px) {
	.bk-posts--featured { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); grid-auto-rows: auto; }
	.bk-posts--featured > :first-child { grid-row: span 2; }
}
.bk-posts--featured > :first-child .bk-post-card__media { aspect-ratio: 16 / 10; }
.bk-posts--featured > :first-child .bk-post-card__title { font-size: clamp(1.375rem, 1.15rem + 1vw, 2rem); }
@media (min-width: 768px) {
	.bk-posts--featured > :not(:first-child) { flex-direction: row; }
	.bk-posts--featured > :not(:first-child) .bk-post-card__media { width: 40%; aspect-ratio: auto; flex: none; margin: .625rem 0 .625rem .625rem; }
	.bk-posts--featured > :not(:first-child) .bk-post-card__body { padding-bottom: 1.25rem; }
	.bk-posts--featured > :not(:first-child) .bk-post-card__foot { display: none; }
}
.bk-posts--list { gap: 1rem; }
@media (min-width: 768px) {
	.bk-posts--list .bk-post-card { flex-direction: row; }
	.bk-posts--list .bk-post-card__media { width: 34%; max-width: 22rem; aspect-ratio: auto; min-height: 12rem; flex: none; margin: .625rem 0 .625rem .625rem; }
	.bk-posts--list .bk-post-card__body { padding-bottom: 0; }
}
.bk-posts__filter { margin-bottom: 2rem; }
.bk-chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2.25rem; }
.bk-chip { display: inline-flex; align-items: center; gap: .35rem; padding: .55rem 1.125rem; border-radius: 999px; border: 1px solid var(--bk-line); background: transparent; color: var(--bk-steel); font-size: .875rem; font-weight: 400; transition: all .3s ease; }
.bk-chip:hover { color: var(--bk-ink); border-color: var(--bk-ink); }
.bk-chip.is-active, .bk-chip[aria-pressed="true"] { background: var(--bk-ink); color: #fff; border-color: var(--bk-ink); }
.bk-posts__more { margin-top: clamp(2rem, 1.5rem + 1.5vw, 3rem); text-align: center; }
.bk-post-card.is-filtered { display: none; }
.bk-pagination { margin-top: clamp(2rem, 1.5rem + 1.5vw, 3rem); }
.bk-pagination ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem; justify-content: center; }
.bk-pagination .page-numbers { display: inline-flex; align-items: center; justify-content: center; min-width: 2.75rem; height: 2.75rem; padding: 0 .75rem; border-radius: 999px; border: 1px solid var(--bk-line); background: transparent; color: var(--bk-ink); font-weight: 500; font-size: .875rem; }
.bk-pagination .page-numbers:hover { border-color: var(--bk-ink); }
.bk-pagination .page-numbers.current { background: var(--bk-ink); border-color: var(--bk-ink); color: #fff; }
.bk-pagination .page-numbers.dots { border: 0; background: none; }
.bk-empty { text-align: center; padding: 3rem 1rem; color: var(--bk-steel); }
.bk-empty .bk-icon { font-size: 3rem; color: var(--bk-red); }

/* 22. FORMS ---------------------------------------------------------------- */
.bk-form { position: relative; }
.bk-form-wrap--card { padding: clamp(1.5rem, 1rem + 2.2vw, 3.5rem); background: var(--bk-mist); border-radius: var(--bk-radius-xl); }
.bk-form-wrap--card .bk-form-wrap__head { margin-bottom: 2rem; }
.bk-form-wrap--dark { padding: clamp(1.5rem, 1rem + 2.2vw, 3.5rem); background: var(--bk-ink); border-radius: var(--bk-radius-xl); color: rgba(241,243,255,.78); }
.bk-form-wrap__title { margin: 0 0 .75rem; font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.375rem); font-weight: 400; letter-spacing: -.025em; }
.bk-form-wrap__text { margin: 0; font-size: .9688rem; color: var(--bk-steel); font-weight: 300; }
.bk-form-wrap--dark .bk-form-wrap__title { color: #fff; }
.bk-form-wrap--dark .bk-form-wrap__text { color: rgba(241,243,255,.7); }
.bk-form__grid { display: grid; gap: 1.5rem 1.25rem; grid-template-columns: minmax(0,1fr); }
@media (min-width: 640px) { .bk-form__grid--2 { grid-template-columns: repeat(2, minmax(0,1fr)); } .bk-form__field--full { grid-column: 1 / -1; } }
.bk-form__field { display: flex; flex-direction: column; gap: .375rem; min-width: 0; }
fieldset.bk-form__field { border: 0; margin: 0; padding: 0; min-width: 0; }
fieldset.bk-form__field > legend { padding: 0; margin-bottom: .625rem; }
.bk-form__label { font-size: .8125rem; font-weight: 400; letter-spacing: 0; text-transform: none; color: var(--bk-steel); }
.bk-form__label .req { color: var(--bk-red); }
.bk-form input[type="text"], .bk-form input[type="email"], .bk-form input[type="tel"], .bk-form input[type="number"], .bk-form input[type="search"], .bk-form select, .bk-form textarea,
.comment-form input[type="text"], .comment-form input[type="email"], .comment-form input[type="url"], .comment-form textarea {
	width: 100%; min-height: 3rem; padding: .75rem .875rem;
	background: #fff; color: var(--bk-ink);
	border: 0; border-bottom: 1px solid var(--bk-gray-300); border-radius: .375rem .375rem 0 0;
	font-size: .9688rem; line-height: 1.5;
	transition: border-color .3s ease, box-shadow .3s ease, background-color .3s ease;
	appearance: none; -webkit-appearance: none;
}
.bk-form-wrap--plain .bk-form :is(input[type="text"], input[type="email"], input[type="tel"], input[type="number"], select, textarea) { background: var(--bk-mist); }
.bk-calc input:not([type="radio"]):not([type="checkbox"]):not([type="range"]), .bk-calc select, .bk-searchform input[type="search"] {
	width: 100%; min-height: 3rem; padding: .75rem 1rem; background: var(--bk-mist); color: var(--bk-ink); border: 1px solid transparent; border-radius: .75rem; font-size: .9688rem; line-height: 1.5; transition: border-color .3s ease, background-color .3s ease; appearance: none; -webkit-appearance: none;
}
.bk-form select, .bk-calc select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24'%3E%3Cpath fill='%23475569' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .6rem center; padding-right: 2.5rem; }
.bk-form textarea { min-height: 7.5rem; resize: vertical; }
.bk-form input:focus, .bk-form select:focus, .bk-form textarea:focus, .comment-form textarea:focus, .comment-form input:focus { outline: none; border-bottom-color: var(--bk-red); box-shadow: 0 1px 0 0 var(--bk-red); background-color: #fff; }
.bk-calc input:focus, .bk-calc select:focus, .bk-searchform input:focus { outline: none; border-color: var(--bk-red); background-color: #fff; }
.bk-form ::placeholder { color: var(--bk-faint); }
.bk-form .is-invalid { border-bottom-color: var(--bk-red) !important; background-color: #fff7f7 !important; }
.bk-form__checks { display: grid; gap: .5rem; grid-template-columns: minmax(0,1fr); }
@media (min-width: 640px) { .bk-form__checks { grid-template-columns: repeat(2, minmax(0,1fr)); } }
.bk-check { position: relative; display: flex; align-items: flex-start; gap: .625rem; padding: .75rem 1rem; border: 1px solid var(--bk-line); border-radius: 999px; background: transparent; font-size: .875rem; color: var(--bk-ink-2); cursor: pointer; transition: border-color .25s ease, background-color .25s ease, color .25s ease; line-height: 1.45; }
.bk-check:hover { border-color: var(--bk-ink); }
.bk-check input { width: 1.125rem; height: 1.125rem; margin: .1rem 0 0; accent-color: var(--bk-red); flex: none; }
.bk-check:has(input:checked) { border-color: var(--bk-ink); background: var(--bk-ink); color: #fff; }
.bk-check:has(input:checked) small { color: rgba(255,255,255,.7) !important; }
.bk-calc .bk-check { border-radius: var(--bk-radius); }
.bk-check--plain { padding: 0; border: 0 !important; background: none !important; color: var(--bk-steel) !important; font-size: .8125rem; border-radius: 0; }
.bk-form__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 2rem; }
.bk-form__actions .bk-btn { min-width: min(100%, 14rem); }
.bk-form__note { display: flex; align-items: center; gap: .4rem; font-size: .78rem; color: var(--bk-muted); margin: 0; }
.bk-form__note .bk-icon { color: var(--bk-green); font-size: 1rem; }
.bk-form__status { margin-top: 1rem; font-size: .9063rem; font-weight: 500; }
.bk-form__status:empty { display: none; }
.bk-form__status.is-success { padding: .9rem 1.125rem; border-radius: var(--bk-radius); background: var(--bk-green-50); color: #047857; }
.bk-form__status.is-error { padding: .9rem 1.125rem; border-radius: var(--bk-radius); background: #fff1f2; color: var(--bk-red-hover); }
.bk-form.is-sending button[type="submit"] { opacity: .7; pointer-events: none; }
.bk-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.bk-form-wrap--dark .bk-form__label, .is-dark .bk-form-wrap--plain .bk-form__label { color: rgba(241,243,255,.75); }
.bk-form-wrap--dark :is(input, select, textarea):not([type="checkbox"]):not([type="radio"]), .is-dark .bk-form-wrap--plain :is(input, select, textarea):not([type="checkbox"]):not([type="radio"]) { background-color: rgba(255,255,255,.06) !important; border-bottom-color: rgba(255,255,255,.25) !important; color: #fff !important; }
.bk-form-wrap--dark select option, .is-dark .bk-form-wrap--plain select option { color: var(--bk-ink); }
.bk-form-wrap--dark .bk-check, .is-dark .bk-form-wrap--plain .bk-check { border-color: rgba(255,255,255,.22); color: rgba(241,243,255,.85); }
.bk-form-wrap--dark .bk-check:has(input:checked), .is-dark .bk-form-wrap--plain .bk-check:has(input:checked) { background: #fff; color: var(--bk-ink); border-color: #fff; }
.is-dark .bk-form-wrap--plain .bk-form__note { color: rgba(241,243,255,.6); }
.is-dark :is(.bk-card--default, .bk-card--white, .bk-card--muted, .bk-card--tinted, .bk-card--accent, .bk-card--accent-top) .bk-form-wrap--plain .bk-form__label { color: var(--bk-steel); }
.is-dark :is(.bk-card--default, .bk-card--white, .bk-card--muted, .bk-card--tinted, .bk-card--accent, .bk-card--accent-top) .bk-form-wrap--plain :is(input, select, textarea):not([type="checkbox"]):not([type="radio"]) { background-color: #fff !important; border-bottom-color: var(--bk-gray-300) !important; color: var(--bk-ink) !important; }
.is-dark :is(.bk-card--default, .bk-card--white, .bk-card--muted, .bk-card--tinted, .bk-card--accent, .bk-card--accent-top) .bk-form-wrap--plain .bk-check { border-color: var(--bk-line); color: var(--bk-ink-2); }
.bk-card--default .bk-form-wrap--plain .bk-form :is(input[type="text"], input[type="email"], input[type="tel"], input[type="number"], select, textarea) { background: #fff; }
.bk-toast { position: fixed; left: 50%; bottom: 1.5rem; transform: translateX(-50%); z-index: 3000; padding: .9rem 1.375rem; border-radius: 999px; background: var(--bk-ink); color: #fff; font-weight: 500; box-shadow: var(--bk-shadow-lg); max-width: calc(100% - 2rem); animation: bkFadeUp .5s var(--bk-ease); }
.bk-toast.is-success { box-shadow: inset 4px 0 0 var(--bk-green), var(--bk-shadow-lg); }
.bk-toast.is-error { box-shadow: inset 4px 0 0 var(--bk-red), var(--bk-shadow-lg); }

/* Ô đăng ký bản tin (footer) */
.bk-newsletter__row { display: flex; gap: .5rem; padding: .375rem; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); border-radius: 999px; }
.bk-newsletter__row input, .bk-newsletter .bk-newsletter__row input[type="email"], .bk-newsletter .bk-newsletter__row input[type="email"]:focus { flex: 1 1 10rem; min-width: 0; min-height: 2.75rem; padding: .5rem 1rem; border-radius: 999px; border: 0; background: transparent; color: #fff; box-shadow: none; }
.bk-newsletter__row:focus-within { border-color: rgba(255,255,255,.45); }
.bk-newsletter__row input::placeholder { color: rgba(241,243,255,.5); }
.bk-newsletter__row input:focus { outline: none; }
.bk-newsletter__row .bk-btn { flex: none; min-height: 2.75rem; padding: .5rem 1.25rem; }

/* Tìm kiếm */
.bk-searchform { display: flex; align-items: center; gap: .5rem; position: relative; }
.bk-searchform > .bk-icon { position: absolute; left: 1rem; color: var(--bk-faint); pointer-events: none; }
.bk-searchform input[type="search"] { padding-left: 2.75rem; flex: 1; border-radius: 999px !important; }
.bk-searchform .bk-btn { flex: none; }
.bk-search-inline { max-width: 40rem; margin: 0 auto 2.25rem; }
/* 15. TABS ----------------------------------------------------------------- */
.bk-tabs__nav { display: flex; gap: .5rem; overflow-x: auto; scrollbar-width: none; padding: .25rem; margin-bottom: clamp(1.25rem, 1rem + 1vw, 2rem); -webkit-overflow-scrolling: touch; }
.bk-tabs__nav::-webkit-scrollbar { display: none; }
.bk-tabs--center .bk-tabs__nav { justify-content: safe center; }
.bk-tabs__btn {
	flex: none; display: inline-flex; align-items: center; gap: .5rem;
	padding: .75rem 1.25rem; border: 1px solid var(--bk-line); border-radius: 999px;
	background: transparent; color: var(--bk-steel);
	font-size: .9375rem; font-weight: 400; letter-spacing: 0; text-transform: none; white-space: nowrap;
	transition: background-color .35s var(--bk-ease), color .35s ease, border-color .35s ease;
}
.bk-tabs__btn .bk-icon { font-size: 1.15rem; }
.bk-tabs__btn:hover { color: var(--bk-ink); border-color: var(--bk-ink); }
.bk-tabs__btn[aria-selected="true"] { background: var(--bk-ink); border-color: var(--bk-ink); color: #fff; }
.bk-tabs__btn[aria-selected="true"] .bk-icon { color: var(--bk-red-300); }
.bk-tabs--underline .bk-tabs__nav { gap: 0; border-bottom: 1px solid var(--bk-line); padding: 0; }
.bk-tabs--underline .bk-tabs__btn { border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: none; padding: 1rem 1.25rem; margin-bottom: -1px; }
.bk-tabs--underline .bk-tabs__btn[aria-selected="true"] { color: var(--bk-ink); border-bottom-color: var(--bk-red); background: none; }
.bk-tabs--boxed .bk-tabs__nav { background: var(--bk-mist); border-radius: 999px; padding: .375rem; gap: .25rem; width: fit-content; max-width: 100%; }
.bk-tabs--center.bk-tabs--boxed .bk-tabs__nav { margin-inline: auto; }
.bk-tabs--boxed .bk-tabs__btn { border: 0; border-radius: 999px; background: transparent; }
.bk-tabs--boxed .bk-tabs__btn[aria-selected="true"] { background: var(--bk-ink); color: #fff; }
.is-dark .bk-tabs__btn { background: transparent; border-color: rgba(255,255,255,.22); color: rgba(241,243,255,.8); }
.is-dark .bk-tabs__btn[aria-selected="true"] { background: #fff; border-color: #fff; color: var(--bk-ink); }
.is-dark .bk-tabs--underline .bk-tabs__nav { border-bottom-color: rgba(255,255,255,.18); }
.bk-tab-panel { --bk-flow: 1rem; }
.js .bk-tabs.is-ready .bk-tab-panel:not(.is-active) { display: none; }
.bk-tabs.is-ready .bk-tab-panel.is-active { animation: bkFadeUp .45s var(--bk-ease); }
.bk-tab-panel__title { display: none; }
.no-js .bk-tab-panel__title, .bk-tabs:not(.is-ready) .bk-tab-panel__title { display: block; }


/* 17. PROGRESS ------------------------------------------------------------- */
.bk-progress { --_c: var(--bk-red); }
.bk-progress + .bk-progress { margin-top: 1rem; }
.bk-progress__head { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: .5rem; font-size: .875rem; font-weight: 400; color: var(--bk-ink-2); }
.bk-progress__value { color: var(--_c); font-weight: 500; white-space: nowrap; font-variant-numeric: tabular-nums; }
.bk-progress__track { height: .375rem; background: var(--bk-cloud); border-radius: 999px; overflow: hidden; }
.bk-progress--sm .bk-progress__track { height: .1875rem; }
.bk-progress--lg .bk-progress__track { height: .625rem; }
.bk-progress__bar { height: 100%; width: var(--_v, 50%); background: var(--_c); border-radius: inherit; transform-origin: left; transition: transform 1.6s var(--bk-ease); }
.js .bk-progress:not(.is-in) .bk-progress__bar { transform: scaleX(0); }
.bk-progress__note { margin: .4rem 0 0; font-size: .75rem; color: var(--bk-muted); }
.bk-progress--dark { --_c: var(--bk-ink); }
.bk-progress--green { --_c: var(--bk-green); }
.bk-progress--amber { --_c: var(--bk-amber); }
.bk-progress--cyan { --_c: var(--bk-cyan); }
.bk-progress--gray { --_c: var(--bk-faint); }
.is-dark .bk-progress__head { color: #e2e8f0; }
.is-dark .bk-progress__track { background: rgba(255,255,255,.1); }
.is-dark .bk-progress--dark { --_c: #fff; }


/* 18. LOGOS / MARQUEE ------------------------------------------------------ */
.bk-logos { position: relative; overflow: hidden; }
.bk-logos--marquee { -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.bk-logos__track { display: flex; align-items: center; gap: clamp(2rem, 1.2rem + 3vw, 4rem); width: max-content; }
.bk-logos--marquee .bk-logos__track { animation: bkMarquee var(--_speed, 28s) linear infinite; }
.bk-logos--marquee:hover .bk-logos__track { animation-play-state: paused; }
.bk-logos--static .bk-logos__track { width: 100%; flex-wrap: wrap; justify-content: center; gap: 1.25rem 2.5rem; }
.bk-logos__item { flex: none; display: inline-flex; align-items: center; justify-content: center; font-weight: 600; font-size: clamp(1rem, .9rem + .45vw, 1.3125rem); letter-spacing: .02em; text-transform: none; color: var(--bk-ink); white-space: nowrap; opacity: .55; transition: color .3s ease, opacity .3s ease, filter .3s ease; }
.bk-logos__item:hover { color: var(--bk-ink); opacity: 1; }
.bk-logos__item img { height: clamp(2rem, 2rem + 1vw, 3rem); width: auto; max-width: 10rem; object-fit: contain; }
.bk-logos--gray .bk-logos__item img { filter: grayscale(1); opacity: .75; }
.bk-logos--gray .bk-logos__item:hover img { filter: none; opacity: 1; }
.bk-logos--cards .bk-logos__item { padding: 1rem 1.5rem; min-width: 11rem; height: 6rem; background: var(--bk-mist); border: 0; border-radius: var(--bk-radius-lg); font-size: .9375rem; opacity: 1; color: var(--bk-steel); transition: background-color .35s ease, color .35s ease; }
.bk-logos--cards .bk-logos__item:hover { background: var(--bk-ink); color: #fff; }
.is-dark .bk-logos__item { color: #fff; }
@media (max-width: 767px) { .bk-logos--static.bk-logos--cards .bk-logos__track { gap: .75rem; } .bk-logos--static.bk-logos--cards .bk-logos__item { min-width: 0; flex: 1 1 calc(50% - .75rem); white-space: normal; text-align: center; height: 4.5rem; font-size: .8125rem; } }
.is-dark .bk-logos--cards .bk-logos__item { background: rgba(255,255,255,.06); color: rgba(241,243,255,.85); }


/* 23. MAP ------------------------------------------------------------------ */
.bk-map { display: grid; gap: 1.25rem; grid-template-columns: minmax(0,1fr); }
@media (min-width: 1024px) { .bk-map--info { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); align-items: stretch; } }
.bk-map__offices { display: grid; gap: .75rem; align-content: start; }
.bk-map__office { display: flex; gap: 1rem; align-items: flex-start; width: 100%; text-align: left; padding: 1.25rem 1.375rem; background: var(--bk-mist); border: 1px solid transparent; border-radius: var(--bk-radius-lg); color: var(--bk-steel); transition: background-color .35s ease, border-color .35s ease; }
.bk-map__office:hover { border-color: var(--bk-line); }
.bk-map__office[aria-selected="true"] { border-color: var(--bk-ink); background: #fff; }
.bk-map__office .bk-icon { flex: none; width: 2.75rem; height: 2.75rem; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: #fff; border: 1px solid var(--bk-line); color: var(--bk-red); vertical-align: 0; }
.bk-map__office[aria-selected="true"] .bk-icon { background: var(--bk-red); border-color: var(--bk-red); color: #fff; }
.bk-map__office strong { display: block; color: var(--bk-ink); font-size: 1.0625rem; font-weight: 500; letter-spacing: -.01em; text-transform: none; margin-bottom: .25rem; }
.bk-map__office span { display: block; font-size: .875rem; line-height: 1.55; }
.bk-map__office small { display: block; margin-top: .375rem; color: var(--bk-red); font-weight: 500; font-size: .8125rem; }
.bk-map__frames { position: relative; min-height: var(--_h, 26.25rem); border-radius: var(--bk-radius-xl); overflow: hidden; background: var(--bk-mist); }
.bk-map__frame { position: absolute; inset: 0; }
.bk-map__frame:not(.is-active) { visibility: hidden; opacity: 0; }
.bk-map__frame iframe { width: 100%; height: 100%; border: 0; display: block; }
.bk-map__placeholder { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .5rem; padding: 1.5rem; text-align: center; color: var(--bk-steel); background: repeating-linear-gradient(45deg, var(--bk-surface-low), var(--bk-surface-low) 0.75rem, var(--bk-surface-mid) 0.75rem, var(--bk-surface-mid) 1.5rem); }
.bk-map__placeholder .bk-icon { font-size: 2.5rem; color: var(--bk-red); }


/* 24. CALCULATOR ----------------------------------------------------------- */
.bk-calc { display: grid; gap: 0; grid-template-columns: minmax(0,1fr); background: #fff; border: 1px solid var(--bk-line); border-radius: var(--bk-radius-xl); overflow: hidden; text-align: left; }
@media (min-width: 1024px) { .bk-calc { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); } }
.bk-calc__inputs { padding: clamp(1.5rem, 1rem + 2vw, 3rem); display: grid; gap: 1rem; align-content: start; }
.bk-calc__title { margin: 0; font-size: var(--bk-fs-h3); font-weight: 400; text-transform: none; color: var(--bk-ink); display: flex; align-items: center; gap: .625rem; }
.bk-calc__title .bk-icon { color: var(--bk-red); }
.bk-calc__desc { margin: 0; font-size: .875rem; color: var(--bk-steel); }
.bk-calc__row { display: grid; gap: 1rem; grid-template-columns: minmax(0,1fr); }
@media (min-width: 640px) { .bk-calc__row--2 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
.bk-calc label:not(.bk-check) { display: block; font-size: .8125rem; font-weight: 400; letter-spacing: 0; text-transform: none; color: var(--bk-steel); margin-bottom: .4rem; }
.bk-calc__unit { position: relative; }
.bk-calc__unit input { padding-right: 4.5rem; }
.bk-calc__unit span { position: absolute; right: .85rem; top: 50%; transform: translateY(-50%); font-size: .75rem; font-weight: 500; color: var(--bk-muted); pointer-events: none; }
.bk-calc input[type="range"] { width: 100%; padding: 0; min-height: 0; height: 0.375rem; border: 0; background: var(--bk-cloud); border-radius: 999px; accent-color: var(--bk-red); appearance: auto; -webkit-appearance: auto; }
.bk-calc .bk-check { margin: 0; text-transform: none; letter-spacing: 0; font-weight: 500; font-size: .875rem; }
.bk-calc .bk-check small { color: var(--bk-muted); font-size: .75rem; }
.bk-calc fieldset > label:first-of-type:not(.bk-check), .bk-calc fieldset > legend + label { display: block; }
.bk-calc__range-val { float: right; color: var(--bk-red); font-weight: 600; letter-spacing: 0; text-transform: none; font-size: .8125rem; }
.bk-calc__results { position: relative; padding: clamp(1.5rem, 1rem + 2vw, 3rem); background: var(--bk-ink); color: rgba(241,243,255,.75); display: grid; gap: 1rem; align-content: start; overflow: hidden; }
.bk-calc__results::before { content: ""; position: absolute; width: 22.5rem; height: 22.5rem; border-radius: 50%; right: -140px; top: -140px; background: radial-gradient(circle, rgba(184,29,36,.35), transparent 65%); pointer-events: none; }
.bk-calc__results > * { position: relative; }
.bk-calc__kicker { margin: 0; width: fit-content; padding: .375rem .75rem; border-radius: 0 .625rem 0 0; background: #fff; color: var(--bk-ink); font-size: .6875rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; }
.bk-calc__big { margin: 0; font-size: clamp(2.25rem, 1.6rem + 2.6vw, 3.75rem); font-weight: 300; letter-spacing: -.04em; line-height: 1.05; color: #fff; font-variant-numeric: tabular-nums; }
.bk-calc__big small { font-size: .875rem; font-weight: 400; letter-spacing: 0; color: rgba(241,243,255,.6); margin-left: .35rem; }
.bk-calc__metrics { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .75rem; }
.bk-calc__metric { padding: 1rem; border-radius: var(--bk-radius); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); }
.bk-calc__metric > span:first-child { display: block; font-size: .75rem; font-weight: 400; letter-spacing: 0; text-transform: none; color: rgba(241,243,255,.6); }
.bk-calc__metric strong { display: block; margin-top: .25rem; font-size: 1.25rem; font-weight: 400; color: #fff; font-variant-numeric: tabular-nums; }
.bk-calc__verdict { display: flex; gap: .75rem; align-items: flex-start; padding: 1rem; border-radius: var(--bk-radius); background: rgba(16,185,129,.12); border: 1px solid rgba(16,185,129,.35); color: #a7f3d0; font-size: .875rem; line-height: 1.6; }
.bk-calc__verdict.is-warn { background: rgba(184,29,36,.18); border-color: rgba(248,113,113,.45); color: #fecaca; }
.bk-calc__verdict .bk-icon { font-size: 1.5rem; flex: none; }
.bk-calc__verdict strong { display: block; color: #fff; text-transform: none; letter-spacing: 0; font-weight: 500; font-size: .9375rem; margin-bottom: .15rem; }
.bk-calc__bars { display: grid; gap: .6rem; }
.bk-calc__bar { display: grid; grid-template-columns: 5.5rem minmax(0,1fr) auto; gap: .6rem; align-items: center; font-size: .75rem; }
.bk-calc__bar i { display: block; height: .375rem; border-radius: 999px; background: var(--bk-red-400); width: var(--w, 0%); transition: width .6s var(--bk-ease); }
.bk-calc__bar b { color: #fff; font-variant-numeric: tabular-nums; }
.bk-calc__foot { font-size: .75rem; color: #94a3b8; margin: 0; }
.bk-calc__results .wp-block-button__link, .bk-calc__results .bk-btn { width: 100%; }


/* 25. CHART ---------------------------------------------------------------- */
.bk-chart { padding: clamp(1.25rem, .9rem + 1.4vw, 2.25rem); background: #fff; border: 1px solid var(--bk-line); border-radius: var(--bk-radius-xl); }
.bk-chart__title { margin: 0 0 .25rem; font-size: var(--bk-fs-h4); font-weight: 500; text-transform: none; color: var(--bk-ink); }
.bk-chart__sub { margin: 0 0 1.25rem; font-size: .8125rem; color: var(--bk-muted); }
.bk-chart__bars { display: grid; gap: .9rem; }
.bk-chart__row { display: grid; gap: .35rem; }
.bk-chart__row-head { display: flex; justify-content: space-between; gap: .75rem; font-size: .875rem; font-weight: 400; color: var(--bk-ink-2); }
.bk-chart__row-head b { color: var(--_c, var(--bk-red)); font-variant-numeric: tabular-nums; white-space: nowrap; }
.bk-chart__track { height: .5rem; border-radius: 999px; background: var(--bk-cloud); overflow: hidden; }
.bk-chart__fill { height: 100%; width: var(--_w); background: var(--_c, var(--bk-red)); border-radius: inherit; transform-origin: left; transition: transform 1.2s var(--bk-ease); }
.js .bk-chart:not(.is-in) .bk-chart__fill, .js .bk-chart:not(.is-in) .bk-chart__col i { transform: scale(0); }
.bk-chart__row small { font-size: .75rem; color: var(--bk-muted); }
.bk-chart__cols { display: flex; align-items: flex-end; gap: clamp(.35rem, .2rem + .6vw, .9rem); height: 15rem; padding-top: 1.5rem; border-bottom: 1px solid var(--bk-line); }
.bk-chart__col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; gap: .35rem; min-width: 0; }
.bk-chart__col b { font-size: .75rem; color: var(--bk-ink); font-variant-numeric: tabular-nums; }
.bk-chart__col i { display: block; width: 100%; max-width: 4rem; height: var(--_w); background: var(--_c, var(--bk-red)); border-radius: .5rem .5rem 0 0; transform-origin: bottom; transition: transform 1.2s var(--bk-ease); }
.bk-chart__labels { display: flex; gap: clamp(.35rem, .2rem + .6vw, .9rem); margin-top: .5rem; }
.bk-chart__labels span { flex: 1; text-align: center; font-size: .6875rem; color: var(--bk-steel); line-height: 1.3; min-width: 0; overflow-wrap: anywhere; }
/* MACC */
.bk-chart__macc { position: relative; display: flex; align-items: stretch; height: 17.5rem; gap: 2px; padding: 1rem 0; }
.bk-chart__macc-axis { position: absolute; left: 0; right: 0; top: var(--_zero, 60%); height: 2px; background: var(--bk-ink); opacity: .7; }
.bk-chart__macc-bar { position: relative; flex: var(--_flex, 1); display: flex; flex-direction: column; min-width: 0.5rem; }
.bk-chart__macc-bar i { position: absolute; left: 0; right: 0; background: var(--_c, var(--bk-green)); border-radius: 2px; transition: opacity .2s ease; }
.bk-chart__macc-bar:hover i { opacity: .8; }
.bk-chart__macc-bar .bk-chart__tip { position: absolute; left: 50%; bottom: calc(100% + 0.375rem); transform: translateX(-50%); min-width: 10rem; padding: .5rem .65rem; border-radius: var(--bk-radius-sm); background: var(--bk-ink); color: #fff; font-size: .6875rem; line-height: 1.4; opacity: 0; visibility: hidden; transition: opacity .2s ease; z-index: 5; pointer-events: none; text-align: center; }
.bk-chart__macc-bar:hover .bk-chart__tip, .bk-chart__macc-bar:focus .bk-chart__tip { opacity: 1; visibility: visible; }
.bk-chart__legend { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; margin-top: 1rem; font-size: .75rem; color: var(--bk-steel); }
.bk-chart__legend span { display: inline-flex; align-items: center; gap: .4rem; }
.bk-chart__legend i { width: 0.75rem; height: 0.75rem; border-radius: 2px; background: var(--_c); }
.bk-chart__note { margin: 1rem 0 0; font-size: .75rem; color: var(--bk-muted); }
.is-dark .bk-chart { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.1); }
.is-dark .bk-chart__title, .is-dark .bk-chart__row-head, .is-dark .bk-chart__col b { color: #fff; }
.is-dark .bk-chart__track { background: rgba(255,255,255,.1); }


/* 26. EMS DASHBOARD (mô phỏng SCADA) --------------------------------------- */
.bk-ems { background: #0b1220; color: #cbd5e1; border: 1px solid rgba(255,255,255,.08); border-radius: var(--bk-radius-xl); box-shadow: var(--bk-shadow-lg); overflow: hidden; text-align: left; font-variant-numeric: tabular-nums; }
.bk-ems__bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem; padding: .85rem 1.15rem; background: #0f172a; border-bottom: 1px solid rgba(255,255,255,.08); }
.bk-ems__brand { display: flex; align-items: center; gap: .6rem; font-weight: 800; letter-spacing: .08em; color: #fff; font-size: .8125rem; text-transform: uppercase; }
.bk-ems__brand .bk-pulse-dot { color: #34d399; }
.bk-ems__clock { font-size: .75rem; color: #94a3b8; }
.bk-ems__tabs { display: flex; gap: .25rem; overflow-x: auto; scrollbar-width: none; padding: .5rem .75rem; border-bottom: 1px solid rgba(255,255,255,.06); background: #0d1526; }
.bk-ems__tab { flex: none; display: inline-flex; align-items: center; gap: .4rem; padding: .55rem 1rem; border: 0; border-radius: 999px; background: transparent; color: #94a3b8; font-size: .8125rem; font-weight: 400; letter-spacing: 0; text-transform: none; }
.bk-ems__tab .bk-icon { font-size: 1.05rem; }
.bk-ems__tab:hover { color: #fff; background: rgba(255,255,255,.05); }
.bk-ems__tab[aria-selected="true"] { background: var(--bk-red); color: #fff; }
.bk-ems__panel { padding: clamp(.85rem, .7rem + .8vw, 1.5rem); display: grid; gap: 1rem; }
.bk-ems__panel[hidden] { display: none; }
.bk-ems__kpis { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .75rem; }
@media (min-width: 1024px) { .bk-ems__kpis { grid-template-columns: repeat(4, minmax(0,1fr)); } }
.bk-ems__kpi { padding: .9rem; border-radius: var(--bk-radius); background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); }
.bk-ems__kpi span { display: block; font-size: .625rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: #64748b; }
.bk-ems__kpi strong { display: block; margin-top: .3rem; font-size: clamp(1.125rem, 1rem + .6vw, 1.5rem); color: #fff; }
.bk-ems__kpi strong small { font-size: .6875rem; color: #94a3b8; margin-left: .2rem; font-weight: 600; }
.bk-ems__kpi em { display: block; margin-top: .2rem; font-style: normal; font-size: .6875rem; color: #34d399; }
.bk-ems__kpi em.is-down { color: var(--bk-red-400); }
.bk-ems__grid { display: grid; gap: 1rem; grid-template-columns: minmax(0,1fr); }
@media (min-width: 1024px) { .bk-ems__grid { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); } }
.bk-ems__card { padding: 1rem; border-radius: var(--bk-radius); background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); min-width: 0; }
.bk-ems__card h4 { margin: 0 0 .75rem; font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: #e2e8f0; display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.bk-ems__card h4 span { font-size: .625rem; color: #64748b; letter-spacing: .06em; font-weight: 600; }
.bk-ems__spark { width: 100%; height: 10rem; display: block; }
.bk-ems__list { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; font-size: .8125rem; }
.bk-ems__list li { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: .5rem; align-items: center; }
.bk-ems__list b { color: #fff; }
.bk-ems__meter { grid-column: 1 / -1; height: 0.375rem; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; }
.bk-ems__meter i { display: block; height: 100%; width: var(--w, 50%); background: linear-gradient(90deg, #10b981, #06b6d4); transition: width .8s ease; }
.bk-ems__meter i.is-hot { background: linear-gradient(90deg, #f59e0b, var(--bk-red)); }
.bk-ems__alarm { display: flex; gap: .6rem; align-items: flex-start; padding: .65rem .75rem; border-radius: var(--bk-radius-sm); background: rgba(184,29,36,.12); border-left: 3px solid var(--bk-red-400); font-size: .8125rem; }
.bk-ems__alarm.is-warn { background: rgba(245,158,11,.1); border-left-color: var(--bk-amber); }
.bk-ems__alarm.is-ok { background: rgba(16,185,129,.1); border-left-color: var(--bk-green); }
.bk-ems__alarm time { font-size: .6875rem; color: #94a3b8; display: block; }
.bk-ems__alarm b { color: #fff; }
.bk-ems__foot { padding: .65rem 1.15rem; border-top: 1px solid rgba(255,255,255,.06); font-size: .6875rem; color: #64748b; display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; }


/* 30. ARTICLE / SIDEBAR / COMMENTS ----------------------------------------- */
.bk-article-layout { display: grid; gap: clamp(2rem, 1.5rem + 2vw, 3.5rem); grid-template-columns: minmax(0,1fr); }
@media (min-width: 1024px) { .bk-article-layout { grid-template-columns: minmax(0, 1fr) 20rem; } }
.bk-article { min-width: 0; max-width: 51.25rem; }
.bk-article__lead { font-size: var(--bk-fs-lead); line-height: 1.55; font-weight: 300; letter-spacing: -.012em; color: var(--bk-ink); padding-left: 1.25rem; border-left: 2px solid var(--bk-red); margin-bottom: 2.5rem; }
.bk-article__footer { margin-top: 3rem; padding-top: 1.75rem; border-top: 1px solid var(--bk-line); display: grid; gap: 1rem; }
.bk-tags { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; }
.bk-tags a { padding: .3rem .875rem; border-radius: 999px; border: 1px solid var(--bk-line); background: transparent; color: var(--bk-ink); font-size: .8125rem; font-weight: 400; transition: background-color .3s ease, color .3s ease, border-color .3s ease; }
.bk-tags a:hover { background: var(--bk-ink); border-color: var(--bk-ink); color: #fff; }
.bk-share { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; font-size: .875rem; font-weight: 400; }
.bk-share a, .bk-share button { padding: .45rem .95rem; border-radius: 999px; border: 1px solid var(--bk-line); background: #fff; color: var(--bk-ink); font-size: .8125rem; font-weight: 400; }
.bk-share a:hover, .bk-share button:hover { border-color: var(--bk-ink); background: var(--bk-ink); color: #fff; }
.bk-article-sidebar { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.5rem; align-content: start; min-width: 0; }
.bk-widget :is(h2, h3, .wp-block-heading) { font-size: .75rem; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; margin: 0 0 1rem; color: var(--bk-muted); }
.bk-widget .wp-block-search__inside-wrapper { display: flex; gap: .5rem; }
.bk-widget .wp-block-search__input { flex: 1; min-width: 0; min-height: 2.75rem; padding: .5rem .75rem; border: 1px solid var(--bk-gray-300); border-radius: var(--bk-radius-sm); }
.bk-widget .wp-block-search__button { min-height: 2.75rem; padding: .5rem 1rem; font-size: .75rem; }
.bk-widget .wp-block-latest-posts li, .bk-widget__list li { line-height: 1.5; padding-bottom: .625rem; border-bottom: 1px solid var(--bk-line); }
.bk-widget__posts { list-style: none; margin: 0; padding: 0; display: grid; gap: .85rem; }
.bk-widget__posts a { display: block; font-weight: 400; font-size: .9375rem; line-height: 1.5; color: var(--bk-ink); }
.bk-widget__posts a:hover { color: var(--bk-red); }
.bk-widget__posts time { font-size: .75rem; color: var(--bk-faint); }
@media (min-width: 1024px) { .bk-article-sidebar { position: sticky; top: calc(var(--bk-header-h) + var(--bk-admin-h) + 1.5rem); } }
.bk-sidebar-cta { padding: 2rem; border-radius: 0 clamp(2rem, 1.5rem + 2vw, 3.5rem) 0 0; background: var(--bk-ink); color: #cbd5e1; display: grid; gap: .75rem; position: relative; overflow: hidden; }
.bk-sidebar-cta::before { content: ""; position: absolute; right: -80px; top: -80px; width: 13.75rem; height: 13.75rem; border-radius: 50%; background: radial-gradient(circle, rgba(184,29,36,.4), transparent 70%); }
.bk-sidebar-cta > * { position: relative; margin: 0; }
.bk-sidebar-cta > .bk-icon { font-size: 2.25rem; color: var(--bk-red-400); }
.bk-sidebar-cta h2 { color: #fff; font-size: 1.375rem; font-weight: 400; }
.bk-sidebar-cta p { font-size: .875rem; }
.bk-sidebar-cta__phone { color: #fff !important; font-weight: 300; font-size: 1.5rem; letter-spacing: -.02em; }
.bk-widget { padding: 1.75rem; border: 0; border-radius: var(--bk-radius-lg); background: var(--bk-mist); }
.bk-widget__title { margin: 0 0 1.25rem; padding: .375rem .75rem; border-radius: 0 .625rem 0 0; background: var(--bk-ink); color: var(--bk-cream); font-size: .6875rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; display: inline-block; }
.bk-widget ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; font-size: .875rem; }
.bk-widget a { color: var(--bk-ink); }
.bk-widget a:hover { color: var(--bk-red); }
.bk-comments { font-size: .9375rem; }
.bk-comments__list { list-style: none; padding: 0; }
.comment-form { display: grid; gap: 1rem; }
.comment-form label { display: block; font-size: .8125rem; font-weight: 400; text-transform: none; letter-spacing: 0; margin-bottom: .35rem; color: var(--bk-steel); }
.comment-form .submit { background: var(--bk-red); color: #fff; border: 0; border-radius: 999px; padding: .875rem 1.75rem; font-weight: 500; text-transform: none; letter-spacing: 0; font-size: .9375rem; }
.comment-form .submit:hover { background: var(--bk-red-hover); }


/* 27. CORE BLOCK STYLES ---------------------------------------------------- */
/* Nhãn nhỏ: thẻ tối bo góc phải trên (phong cách v2) */
.is-style-eyebrow {
	display: block; width: fit-content; max-width: 100%;
	margin: 0 0 1rem;
	padding: .4rem .75rem .375rem;
	background: var(--bk-ink); color: var(--bk-cream);
	border-radius: 0 .75rem 0 0;
	font-size: .6875rem !important; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; line-height: 1.45;
}
.has-text-align-center.is-style-eyebrow, .bk-align-center .is-style-eyebrow, .bk-section.is-center .is-style-eyebrow, .bk-card--center .is-style-eyebrow, .bk-hero--center .is-style-eyebrow { margin-inline: auto; }
.has-text-align-right.is-style-eyebrow { margin-left: auto; }
.is-dark .is-style-eyebrow, .bk-card--dark .is-style-eyebrow, .bk-card--glass .is-style-eyebrow, .bk-card--statement .is-style-eyebrow, .bk-hero .is-style-eyebrow { background: #fff; color: var(--bk-ink); }
.bk-card--overlay .is-style-eyebrow { background: rgba(255,255,255,.14); color: #fff; opacity: 1; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.bk-card--primary .is-style-eyebrow, .bk-section--primary .is-style-eyebrow { background: #fff; color: var(--bk-red) !important; }
.is-style-code { color: var(--bk-red); font-size: .75rem !important; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; line-height: 1.5; }
.is-style-code::before { content: "// "; opacity: .7; }
.is-dark .is-style-code { color: var(--bk-red-300); }
.is-style-pill {
	display: inline-flex; align-items: center; gap: .5rem;
	padding: .4rem 1rem; border-radius: 999px;
	background: transparent; border: 1px solid var(--bk-line); color: var(--bk-ink);
	font-size: .75rem !important; font-weight: 500; letter-spacing: .04em; text-transform: none; line-height: 1.5;
}
.is-style-pill::before { content: ""; width: .4375rem; height: .4375rem; border-radius: 50%; background: var(--bk-red); color: var(--bk-red); animation: bkPulse 2s infinite; flex: none; }
.is-dark .is-style-pill, .bk-hero .is-style-pill { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.28); color: #fff; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.is-dark .is-style-pill::before, .bk-hero .is-style-pill::before { background: var(--bk-red-300); color: var(--bk-red-300); }
.is-style-lead { font-size: var(--bk-fs-lead); line-height: 1.5; font-weight: 300; letter-spacing: -.012em; color: var(--bk-ink); }
.bk-card .is-style-lead, .bk-step .is-style-lead, .bk-form-wrap .is-style-lead { font-size: var(--bk-fs-md); line-height: 1.65; color: var(--bk-ink-2); }
.is-style-small { font-size: .8125rem; line-height: 1.65; }
.is-style-muted { color: var(--bk-muted); font-size: .875rem; }
.is-style-meta { font-size: .75rem; color: var(--bk-faint); font-weight: 400; letter-spacing: .02em; }
.is-style-note { padding: 1.125rem 1.375rem; background: var(--bk-mist); border-left: 2px solid var(--bk-red); border-radius: 0 var(--bk-radius) var(--bk-radius) 0; font-size: .9375rem; color: var(--bk-ink-2); }
.bk-card .is-style-note { background: #fff; }
.is-dark .is-style-note, .bk-card--dark .is-style-note { background: rgba(255,255,255,.06); color: rgba(241,243,255,.86); }
.is-style-callout { font-size: clamp(1.125rem, 1rem + .55vw, 1.5rem); font-weight: 300; line-height: 1.5; letter-spacing: -.012em; color: var(--bk-ink); padding-left: 1.25rem; border-left: 2px solid var(--bk-red); }
.is-dark .is-style-callout { color: #fff; }
.wp-block-heading.is-style-display { font-size: var(--bk-fs-display); line-height: 1.02; letter-spacing: -.045em; font-weight: 300; }
.wp-block-heading.is-style-accent::after { content: ""; display: block; width: 3.5rem; height: 2px; margin-top: 1.125rem; background: var(--bk-red); }
.bk-align-center .wp-block-heading.is-style-accent::after, .has-text-align-center.is-style-accent::after { margin-inline: auto; }
.wp-block-heading.is-style-plain { text-transform: none; letter-spacing: 0; }
.has-text-align-center { text-align: center; }
.has-text-align-right { text-align: right; }

/* Danh sách */
.wp-block-list { margin: 0 0 1rem; padding-left: 1.25rem; }
.wp-block-list li + li { margin-top: .5rem; }
.wp-block-list.is-style-check, .wp-block-list.is-style-arrow, .wp-block-list.is-style-dot, .wp-block-list.is-style-cross, .wp-block-list.is-style-columns, .wp-block-list.is-style-numbered, .wp-block-list.is-style-tags { list-style: none; padding-left: 0; }
.wp-block-list.is-style-check > li, .wp-block-list.is-style-arrow > li, .wp-block-list.is-style-dot > li, .wp-block-list.is-style-columns > li, .wp-block-list.is-style-cross > li { position: relative; padding-left: 2rem; }
.wp-block-list.is-style-check > li::before, .wp-block-list.is-style-columns > li::before, .wp-block-list.is-style-arrow > li::before, .wp-block-list.is-style-cross > li::before {
	position: absolute; left: 0; top: .2em;
	display: inline-flex; align-items: center; justify-content: center;
	width: 1.25rem; height: 1.25rem; border-radius: 50%;
	font-family: "Material Symbols Outlined"; font-size: .875rem; line-height: 1; font-weight: 400;
	color: var(--bk-red); border: 1px solid currentColor;
	font-feature-settings: "liga"; -webkit-font-feature-settings: "liga";
}
.wp-block-list.is-style-check > li::before, .wp-block-list.is-style-columns > li::before { content: "check"; }
.wp-block-list.is-style-arrow > li::before { content: "arrow_outward"; border-color: transparent; font-size: 1.125rem; }
.wp-block-list.is-style-cross > li::before { content: "close"; color: var(--bk-faint); }
.wp-block-list.is-style-dot > li::before { content: ""; position: absolute; left: .4rem; top: .68em; width: .4375rem; height: .4375rem; border-radius: 50%; background: var(--bk-red); }
.wp-block-list.is-style-columns { display: grid; gap: .625rem 2rem; }
@media (min-width: 768px) { .wp-block-list.is-style-columns { grid-template-columns: repeat(2, minmax(0,1fr)); } .wp-block-list.is-style-columns li + li { margin-top: 0; } }
.wp-block-list.is-style-numbered { counter-reset: bkli; }
.wp-block-list.is-style-numbered > li { counter-increment: bkli; position: relative; padding-left: 2.75rem; min-height: 2rem; padding-top: .2rem; }
.wp-block-list.is-style-numbered > li::before { content: counter(bkli, decimal-leading-zero); position: absolute; left: 0; top: 0; width: 2rem; height: 2rem; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; border: 1px solid var(--bk-ink); color: var(--bk-ink); font-size: .6875rem; font-weight: 500; }
.wp-block-list.is-style-tags { display: flex; flex-wrap: wrap; gap: .5rem; }
/* Bảng thông số: nhãn bên trái – giá trị bên phải */
.wp-block-list.is-style-specs { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--bk-line); }
.wp-block-list.is-style-specs > li { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: .25rem 1.5rem; margin: 0; padding: .875rem 0; border-bottom: 1px solid var(--bk-line); color: var(--bk-ink); font-weight: 500; font-size: .9375rem; line-height: 1.45; text-align: right; }
.wp-block-list.is-style-specs > li > strong:first-child { flex: 1 1 12rem; color: var(--bk-steel); font-weight: 400; text-align: left; }
.is-dark .wp-block-list.is-style-specs, .is-dark .wp-block-list.is-style-specs > li { border-color: rgba(255,255,255,.16); color: #fff; }
.is-dark .wp-block-list.is-style-specs > li > strong:first-child { color: rgba(241,243,255,.65); }
.wp-block-list.is-style-tags > li { margin: 0 !important; padding: .375rem .875rem; border-radius: 999px; border: 1px solid var(--bk-line); background: transparent; color: var(--bk-ink); font-size: .8125rem; font-weight: 400; line-height: 1.45; }
.is-dark .wp-block-list.is-style-check > li::before, .is-dark .wp-block-list.is-style-columns > li::before, .is-dark .wp-block-list.is-style-arrow > li::before, .is-dark .wp-block-list.is-style-dot > li::before { color: var(--bk-red-300); }
.is-dark .wp-block-list.is-style-dot > li::before { background: var(--bk-red-300); }
.is-dark .wp-block-list.is-style-numbered > li::before { border-color: rgba(255,255,255,.55); color: #fff; }
.is-dark .wp-block-list.is-style-tags > li { border-color: rgba(255,255,255,.25); color: #fff; }
.bk-card--dark .wp-block-list > li::before, .bk-card--glass .wp-block-list > li::before, .bk-card--overlay .wp-block-list > li::before, .bk-card--statement .wp-block-list > li::before { color: var(--bk-red-300) !important; }
.bk-card--dark .wp-block-list.is-style-tags > li, .bk-card--statement .wp-block-list.is-style-tags > li { border-color: rgba(255,255,255,.25); color: #fff; }
.bk-card--primary .wp-block-list > li::before { color: #fff !important; }
.bk-card--primary .wp-block-list.is-style-dot > li::before { background: #fff; }
.is-dark :is(.bk-card--default, .bk-card--white, .bk-card--muted, .bk-card--tinted, .bk-card--pastel) .wp-block-list.is-style-tags > li { border-color: var(--bk-line); color: var(--bk-ink); }

/* Details / FAQ — dạng danh sách gạch ngang */
.wp-block-details { margin: 0; border: 0; border-bottom: 1px solid var(--bk-line); background: transparent; border-radius: 0; transition: border-color .35s ease; }
.wp-block-details:first-child, :not(.wp-block-details) + .wp-block-details { border-top: 1px solid var(--bk-line); }
.wp-block-details + .wp-block-details { margin-top: 0; }
.wp-block-details > summary { position: relative; list-style: none; cursor: pointer; padding: 1.5rem 4rem 1.5rem 0; font-weight: 400; color: var(--bk-ink); font-size: clamp(1.0625rem, .98rem + .4vw, 1.375rem); line-height: 1.45; letter-spacing: -.012em; transition: color .3s ease, padding-left .45s var(--bk-ease); }
.wp-block-details > summary::-webkit-details-marker { display: none; }
.wp-block-details > summary::after {
	content: "expand_more"; font-family: "Material Symbols Outlined"; font-feature-settings: "liga"; -webkit-font-feature-settings: "liga";
	position: absolute; right: 0; top: 50%; transform: translateY(-50%);
	width: 2.5rem; height: 2.5rem; display: inline-flex; align-items: center; justify-content: center;
	border-radius: 50%; border: 1px solid var(--bk-line); background: transparent; color: var(--bk-ink);
	font-size: 1.375rem; font-weight: 400; line-height: 1;
	transition: transform .5s var(--bk-ease), background-color .35s ease, color .35s ease, border-color .35s ease;
}
.wp-block-details > summary:hover { color: var(--bk-red); }
.wp-block-details > summary:hover::after { border-color: var(--bk-ink); }
.wp-block-details[open] > summary::after { transform: translateY(-50%) rotate(180deg); background: var(--bk-ink); border-color: var(--bk-ink); color: #fff; }
.wp-block-details[open] { border-bottom-color: var(--bk-ink); }
.wp-block-details > :not(summary) { padding: 0 4rem 0 0; margin: 0; color: var(--bk-steel); font-size: var(--bk-fs-sm); line-height: 1.8; font-weight: 300; }
@media (max-width: 767px) { .wp-block-details > :not(summary) { padding-right: 0; } }
.wp-block-details > :not(summary) + :not(summary) { margin-top: .75rem; }
.wp-block-details > :last-child:not(summary) { padding-bottom: 1.75rem; }
.wp-block-details[open] > summary ~ * { animation: bkFadeUp .5s var(--bk-ease); }
.is-dark .wp-block-details { border-color: rgba(255,255,255,.18); }
.is-dark .wp-block-details[open] { border-bottom-color: rgba(255,255,255,.6); }
.is-dark .wp-block-details > summary { color: #fff; }
.is-dark .wp-block-details > summary:hover { color: var(--bk-red-300); }
.is-dark .wp-block-details > summary::after { border-color: rgba(255,255,255,.3); color: #fff; }
.is-dark .wp-block-details[open] > summary::after { background: #fff; color: var(--bk-ink); border-color: #fff; }
.is-dark .wp-block-details > :not(summary) { color: rgba(241,243,255,.75); }
.bk-card .wp-block-details:first-child { border-top: 0; }

/* Bảng */
.wp-block-table { margin: 0; overflow-x: auto; border-radius: var(--bk-radius-lg); border: 1px solid var(--bk-line); background: #fff; -webkit-overflow-scrolling: touch; }
.wp-block-table table { width: 100%; min-width: 35rem; border-collapse: collapse; font-size: .875rem; line-height: 1.6; }
.wp-block-table th, .wp-block-table td { padding: 1rem 1.125rem; text-align: left; vertical-align: top; border: 0; border-bottom: 1px solid var(--bk-border); }
.wp-block-table thead th { background: var(--bk-ink); color: #fff; font-size: .75rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }
.wp-block-table tbody tr { transition: background-color .25s ease; }
.wp-block-table tbody tr:nth-child(even) { background: var(--bk-paper); }
.wp-block-table tbody tr:hover { background: var(--bk-red-50); }
.wp-block-table tbody tr:last-child td { border-bottom: 0; }
.wp-block-table td:first-child { font-weight: 500; color: var(--bk-ink); }
.wp-block-table.is-style-compare thead th:last-child { background: var(--bk-red); }
.wp-block-table.is-style-compare td:last-child { color: var(--bk-ink); font-weight: 500; }
.wp-block-table figcaption { padding: .75rem 1.125rem; font-size: .75rem; color: var(--bk-muted); text-align: left; }
.is-dark .wp-block-table { background: rgba(255,255,255,.03); border-color: rgba(255,255,255,.14); }
.is-dark .wp-block-table thead th { background: rgba(255,255,255,.08); }
.is-dark .wp-block-table td { border-bottom-color: rgba(255,255,255,.08); color: rgba(241,243,255,.78); }
.is-dark .wp-block-table td:first-child { color: #fff; }
.is-dark .wp-block-table.is-style-compare td:last-child { color: #fff; }
.is-dark .wp-block-table small { color: rgba(241,243,255,.55); }
.wp-block-table small { display: inline-block; margin-top: .2rem; color: var(--bk-muted); font-weight: 400; }
.is-dark .wp-block-table tbody tr:nth-child(even) { background: rgba(255,255,255,.03); }
.is-dark .wp-block-table tbody tr:hover { background: rgba(184,29,36,.14); }

/* Ảnh / trích dẫn / đường kẻ */
.wp-block-image { margin: 0; }
.wp-block-image img { border-radius: var(--bk-radius-lg); }
.wp-block-image.is-style-frame img { padding: .625rem; background: #fff; box-shadow: 0 0 0 1px var(--bk-border), var(--bk-shadow-lg); border-radius: calc(var(--bk-radius-lg) + .625rem); }
.wp-block-image figcaption { margin-top: .625rem; font-size: .8125rem; color: var(--bk-muted); text-align: left; }
.wp-block-quote { margin: 0; padding: .25rem 0 .25rem 1.5rem; border-left: 2px solid var(--bk-red); background: none; font-size: var(--bk-fs-lead); font-weight: 300; line-height: 1.5; letter-spacing: -.012em; color: var(--bk-ink); }
.wp-block-quote p { margin-bottom: .5rem; }
.wp-block-quote cite { display: block; margin-top: 1rem; font-size: .75rem; font-style: normal; font-weight: 600; color: var(--bk-muted); text-transform: uppercase; letter-spacing: .14em; }
.is-dark .wp-block-quote { color: #fff; }
.wp-block-separator { border: 0; border-top: 1px solid var(--bk-line); margin: 2.5rem 0; opacity: 1; }
.is-dark .wp-block-separator { border-top-color: rgba(255,255,255,.18); }

/* Nội dung bài viết */
.bk-prose { font-size: var(--bk-fs-md); line-height: 1.85; color: var(--bk-text); }
.bk-prose > * + * { margin-top: 1.25em; }
.bk-prose > * { margin-bottom: 0; }
.bk-prose h2 { font-size: clamp(1.5rem, 1.25rem + 1vw, 2.125rem); margin-top: 2em; font-weight: 400; }
.bk-prose h3 { font-size: clamp(1.1875rem, 1.08rem + .45vw, 1.4375rem); margin-top: 1.75em; font-weight: 500; }
.bk-prose a { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.bk-prose ul:not([class*="is-style"]), .bk-prose ol { padding-left: 1.4rem; }
.bk-prose img { border-radius: var(--bk-radius-lg); }

/* 28. FOOTER --------------------------------------------------------------- */
.bk-footer { position: relative; z-index: 2; overflow: hidden; background: var(--bk-ink); color: rgba(241,243,255,.62); font-size: .9063rem; }
.bk-footer a { color: rgba(241,243,255,.82); }
.bk-footer a:hover { color: #fff; }
.bk-footer__top { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 2rem 3rem; padding-block: clamp(3.5rem, 2.5rem + 4vw, 6.5rem) clamp(2.5rem, 2rem + 2vw, 4rem); border-bottom: 1px solid rgba(255,255,255,.12); }
.bk-footer__brand { flex: 1 1 30rem; max-width: 48rem; }
.bk-footer .bk-logo { color: #fff; margin-bottom: 1.75rem; }
.bk-footer .bk-logo__img { height: clamp(2.5rem, 2rem + 1.2vw, 3.25rem); max-width: 14rem; }
.bk-footer .bk-logo__name { font-size: clamp(1.125rem, 1rem + .4vw, 1.375rem); }
.bk-footer__lead { margin: 0; color: #fff; font-size: clamp(1.1875rem, 1rem + .9vw, 1.875rem); font-weight: 300; line-height: 1.45; letter-spacing: -.015em; max-width: 42ch; }
.bk-footer__text { margin: 0 0 1rem; line-height: 1.75; max-width: 52ch; }
.bk-footer__cta.bk-circle-btn { color: #fff; border-color: rgba(255,255,255,.55); width: clamp(7rem, 6rem + 3vw, 9rem); flex: none; }
.bk-footer__cta.bk-circle-btn:hover { color: #fff; }
.bk-footer__grid { display: grid; gap: 2.5rem 2rem; padding-block: clamp(2.5rem, 2rem + 2.2vw, 4.5rem); grid-template-columns: minmax(0,1fr); }
@media (min-width: 768px) { .bk-footer__grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (min-width: 1024px) { .bk-footer__grid { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.35fr); gap: 2.5rem 3rem; } }
.bk-footer__title { margin: 0 0 1.25rem; color: rgba(241,243,255,.5); font-size: .6875rem; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; }
.bk-footer__contacts { list-style: none; margin: 0 0 1.5rem; padding: 0; display: grid; gap: .875rem; }
.bk-footer__contacts li { display: flex; gap: .75rem; align-items: flex-start; line-height: 1.6; }
.bk-footer__contacts .bk-icon { color: var(--bk-red-300); font-size: 1.1rem; margin-top: .15rem; flex: none; }
.bk-footer__contacts strong { display: block; color: rgba(241,243,255,.5); font-size: .75rem; font-weight: 400; letter-spacing: .04em; }
.bk-footer__contacts a { color: #fff; }
.bk-footer__contacts a:hover { color: var(--bk-red-300); }
.bk-footer__badges { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.bk-footer__badges span { padding: .3rem .75rem; border-radius: 0 .5rem 0 0; background: rgba(255,255,255,.08); color: #fff; font-size: .6875rem; font-weight: 500; letter-spacing: .1em; }
.bk-footer__legal { margin: 0; font-size: .75rem; color: rgba(241,243,255,.42); }
.bk-footer__menu { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; }
.bk-footer__menu a { position: relative; display: inline-block; color: rgba(241,243,255,.82); font-size: .9688rem; line-height: 1.45; background-image: linear-gradient(currentColor, currentColor); background-size: 0 1px; background-position: 0 100%; background-repeat: no-repeat; transition: color .3s ease, background-size .45s var(--bk-ease); }
.bk-footer__menu a:hover { color: #fff; background-size: 100% 1px; }
.bk-footer__newsletter .bk-footer__text { font-size: .9063rem; }
.bk-social { display: flex; gap: .5rem; margin-top: 1.5rem; }
.bk-social__link { display: inline-flex; align-items: center; justify-content: center; width: 2.75rem; height: 2.75rem; border-radius: 50%; background: transparent; border: 1px solid rgba(255,255,255,.22); color: #fff !important; transition: background-color .3s ease, border-color .3s ease, transform .45s var(--bk-ease); }
.bk-social__link:hover { background: var(--bk-red); border-color: var(--bk-red); transform: rotate(-8deg); }
.bk-footer__bottom { display: flex; flex-direction: column; gap: 1rem; align-items: center; justify-content: space-between; padding-block: 1.5rem; border-top: 1px solid rgba(255,255,255,.12); font-size: .8125rem; color: rgba(241,243,255,.5); text-align: center; position: relative; z-index: 1; }
@media (min-width: 768px) { .bk-footer__bottom { flex-direction: row; text-align: left; } }
.bk-footer__copy-wrap { display: grid; gap: .25rem; }
.bk-footer__copy { margin: 0; }
.bk-footer .bk-social + .bk-footer__badges, .bk-footer__newsletter .bk-footer__badges { margin-top: 1.5rem; }
.bk-footer__about .bk-footer__text { color: rgba(241,243,255,.62); }
.bk-footer__legal-menu { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem 1.5rem; }
.bk-footer__legal-menu a { color: rgba(241,243,255,.5); }
.bk-footer__legal-menu a:hover { color: #fff; }
.bk-footer__totop { display: inline-flex; align-items: center; gap: .5rem; padding: 0; border: 0; background: none; color: rgba(241,243,255,.75); font-size: .8125rem; }
.bk-footer__totop .bk-icon { display: inline-flex; align-items: center; justify-content: center; width: 2.25rem; height: 2.25rem; border-radius: 50%; border: 1px solid rgba(255,255,255,.25); font-size: 1rem; transition: transform .45s var(--bk-ease), background-color .3s ease; }
.bk-footer__totop:hover { color: #fff; }
.bk-footer__totop:hover .bk-icon { transform: translateY(-3px); background: var(--bk-red); border-color: var(--bk-red); }
/* Chữ thương hiệu cỡ lớn cuối trang */
.bk-footer__mark { position: relative; z-index: 0; margin: 0 0 -.2em; padding-inline: var(--bk-gutter); text-align: center; pointer-events: none; user-select: none; font-size: clamp(5rem, 24vw, 26rem); font-weight: 700; line-height: .9; letter-spacing: -.06em; white-space: nowrap; overflow: hidden; }
.bk-footer__mark span { display: inline-block; padding-right: .06em; transform: translateY(var(--_my, 0)); background: linear-gradient(to bottom, rgba(241,243,255,.17) 10%, rgba(241,243,255,.02) 80%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.bk-footer .bk-form__status.is-success { background: rgba(16,185,129,.12); color: #6ee7b7; }
.bk-footer .bk-form__status.is-error { background: rgba(184,29,36,.18); color: #fecaca; }
/* Khối liền mạch với footer: phần dưới nền tối */
.bk-page-content > .bk-section--split-dark:last-child, .bk-page-content > .bk-section--dark:last-child, .bk-page-content > .bk-section--darker:last-child { padding-bottom: clamp(3rem, 2rem + 3vw, 5rem); }
.bk-main:has(.bk-page-content > :is(.bk-section--split-dark, .bk-section--dark):last-child) + .bk-footer .bk-footer__top { padding-top: clamp(1.5rem, 1rem + 2vw, 3rem); }

/* 29. FLOATING + EFFECTS --------------------------------------------------- */
.bk-float { position: fixed; right: clamp(.75rem, .5rem + 1vw, 1.5rem); bottom: calc(clamp(.75rem, .5rem + 1vw, 1.5rem) + env(safe-area-inset-bottom)); z-index: 900; display: flex; flex-direction: column; gap: .625rem; align-items: center; }
.bk-float__btn { position: relative; display: inline-flex; align-items: center; justify-content: center; width: 3.25rem; height: 3.25rem; border-radius: 50%; border: 0; padding: 0; color: #fff !important; box-shadow: 0 .75rem 1.75rem -.75rem rgba(2,6,23,.55); transition: transform .45s var(--bk-ease), opacity .35s ease, visibility .35s; }
.bk-float__btn:hover { transform: translateY(-3px) scale(1.05); }
.bk-float__btn--call { background: var(--bk-red); }
.bk-float__btn--call::before { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 1px solid var(--bk-red); animation: bkRing 2.4s var(--bk-ease) infinite; }
.bk-float__btn--zalo { background: #0068ff; font-size: .75rem; font-weight: 700; }
.bk-float__btn--top { background: #fff; color: var(--bk-ink) !important; box-shadow: 0 0 0 1px var(--bk-line), 0 .75rem 1.75rem -.75rem rgba(2,6,23,.4); width: 2.75rem; height: 2.75rem; opacity: 0; visibility: hidden; transform: translateY(.5rem); }
.bk-float__btn--top.is-visible { opacity: 1; visibility: visible; transform: none; }
.bk-cursor-glow { position: fixed; top: 0; left: 0; width: 30rem; height: 30rem; margin: -15rem 0 0 -15rem; border-radius: 50%; pointer-events: none; z-index: 1; background: radial-gradient(circle, rgba(184,29,36,.07) 0%, rgba(184,29,36,.02) 45%, transparent 70%); mix-blend-mode: multiply; transform: translate3d(-999px,-999px,0); will-change: transform; display: none; }
@media (hover: hover) and (pointer: fine) and (min-width: 1024px) { .bk-cursor-glow { display: block; } }

/* 31. REVEAL & KEYFRAMES ---------------------------------------------------- */
.js .bk-reveal { opacity: 0; transform: translateY(2.5rem); transition: opacity 1s var(--bk-ease), transform 1.2s var(--bk-ease); transition-delay: var(--d, 0s); }
.js .bk-reveal.is-in { opacity: 1; transform: none; }
/* Tách chữ: từng từ trượt lên (tiêu đề Hero & tiêu đề khối) */
.bk-w { display: inline-block; overflow: hidden; vertical-align: top; padding-block: .14em .06em; margin-block: -.14em -.06em; }
.bk-w > span { display: inline-block; transform: translateY(110%); transition: transform 1.1s var(--bk-ease); transition-delay: calc(var(--wi, 0) * .045s + var(--wd, 0s)); will-change: transform; }
.is-in .bk-w > span, .bk-split.is-in .bk-w > span, .bk-hero .bk-w > span { transform: none; }
.bk-hero .bk-w > span { animation: bkWordUp 1.1s var(--bk-ease) both; animation-delay: calc(var(--wi, 0) * .05s + .2s); transition: none; }
.bk-hero__content > .bk-split { animation: none; }
.js .bk-head.bk-reveal .bk-head__title.bk-split { opacity: 1; transform: none; }

@keyframes bkHeroIn { from { opacity: 0; transform: translateY(2rem); } to { opacity: 1; transform: none; } }
@keyframes bkWordUp { from { transform: translateY(110%); } to { transform: none; } }
@keyframes bkScrollCue { 0% { transform: translateY(0); opacity: 0; } 30% { opacity: 1; } 80% { transform: translateY(.875rem); opacity: 0; } 100% { opacity: 0; } }
@keyframes bkFadeUp { from { opacity: 0; transform: translateY(.625rem); } to { opacity: 1; transform: none; } }
@keyframes bkPulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, currentColor 55%, transparent); } 70% { box-shadow: 0 0 0 .5rem transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
@keyframes bkRing { 0% { transform: scale(1); opacity: .9; } 100% { transform: scale(1.7); opacity: 0; } }
@keyframes bkGlow { 0%, 100% { box-shadow: 0 0 15px rgba(184,29,36,.3), 0 0 30px rgba(184,29,36,.15); } 50% { box-shadow: 0 0 25px rgba(184,29,36,.55), 0 0 40px rgba(184,29,36,.25); } }
@keyframes bkMarquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes bkFloatParticle { 0% { transform: translate(0,0); opacity: 0; } 20% { opacity: .6; } 80% { opacity: .6; } 100% { transform: translate(25px,-90px); opacity: 0; } }
@keyframes bkAmbient { 0%, 100% { transform: translate(0,0) scale(1); } 33% { transform: translate(40px,-50px) scale(1.08); } 66% { transform: translate(-30px,30px) scale(.95); } }
@keyframes bkAmbient2 { 0%, 100% { transform: translate(0,0) scale(1); } 33% { transform: translate(-50px,40px) scale(1.12); } 66% { transform: translate(35px,-35px) scale(.92); } }

@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
	.js .bk-reveal, .js .bk-head.bk-reveal > *, .js .bk-head.bk-reveal .bk-head__main > * { opacity: 1; transform: none; }
	.js .bk-figure.bk-reveal .bk-figure__frame { clip-path: none; }
	.js .bk-figure.bk-reveal .bk-figure__frame img { transform: none; }
	.js .bk-petals.bk-reveal i { transform: none; opacity: 1; }
	.bk-w > span { transform: none !important; animation: none !important; }
	.bk-logos--marquee .bk-logos__track { animation: none; flex-wrap: wrap; width: 100%; justify-content: center; }
	.bk-logos__track [aria-hidden="true"] { display: none; }
	.bk-cursor-glow, .bk-hero__scroll { display: none !important; }
	.bk-hero__slide.is-active img, .bk-hero__slide img { transform: none; }
	.bk-grid.bk-grid--stack > * { position: relative; top: auto; }
}

@media print {
	.bk-header, .bk-drawer, .bk-float, .bk-cursor-glow, .bk-footer__newsletter, .bk-subnav, .bk-footer__mark, .bk-hero__scroll { display: none !important; }
	.bk-hero { min-height: 0; padding-top: 1rem; color: #000; background: none; }
	.bk-hero__media, .bk-hero__scrim { display: none; }
	.bk-hero h1 { color: #000; text-shadow: none; }
	.js .bk-reveal { opacity: 1; transform: none; }
	.bk-grid.bk-grid--stack > * { position: static; }
}

/* ==========================================================================
   SONG NGỮ – nút chọn ngôn ngữ VI | EN
   ========================================================================== */
.bk-lang {
	display: inline-flex; align-items: center; gap: .125rem; flex: none;
	padding: .1875rem; border-radius: 999px;
	border: 1px solid rgba(15, 23, 42, .12);
	font-size: .75rem; font-weight: 600; letter-spacing: .06em; line-height: 1;
	transition: border-color .4s var(--bk-ease);
}
.bk-lang__item {
	display: inline-flex; align-items: center; justify-content: center;
	min-width: 2.125rem; height: 2.125rem; padding: 0 .5rem; border-radius: 999px;
	color: inherit; opacity: .72; text-decoration: none;
	transition: background-color .25s ease, color .25s ease, opacity .25s ease;
}
.bk-lang__item:hover { opacity: 1; color: inherit; background: rgba(127, 127, 127, .15); }
.bk-lang__item.is-active { opacity: 1; background: var(--bk-ink); color: #fff; }
.bk-lang__item:focus-visible { outline: 2px solid var(--bk-red); outline-offset: 2px; }
body.header-transparent .bk-header:not(.is-scrolled):not(.is-open) .bk-lang { border-color: rgba(255, 255, 255, .32); }
body.header-transparent .bk-header:not(.is-scrolled):not(.is-open) .bk-lang__item.is-active { background: #fff; color: var(--bk-ink); }

/* Điện thoại: chỉ hiện ngôn ngữ còn lại thành một nút tròn gọn (đủ chỗ cho logo + tìm kiếm + menu). */
@media (max-width: 639px) {
	.bk-lang--header { padding: 0; border: 0; }
	.bk-lang--header .bk-lang__item.is-active { display: none; }
	.bk-lang--header .bk-lang__item { min-width: 2.75rem; height: 2.75rem; padding: 0; opacity: 1; font-size: .8125rem; border: 1px solid rgba(15, 23, 42, .14); }
	body.header-transparent .bk-header:not(.is-scrolled):not(.is-open) .bk-lang--header .bk-lang__item { border-color: rgba(255, 255, 255, .4); }
}

/* Menu di động: hai lựa chọn đầy đủ tên. */
.bk-lang--drawer {
	display: grid; grid-template-columns: 1fr 1fr; width: 100%;
	margin-bottom: .25rem; background: #fff; border-color: var(--bk-border);
	font-size: .875rem; letter-spacing: .02em;
}
.bk-lang--drawer .bk-lang__item { height: 2.5rem; font-weight: 600; }

/* Điện thoại: nhường chỗ trên header cho nút ngôn ngữ – ô tìm kiếm chuyển vào menu di động. */
.bk-drawer__search { padding: .75rem 1.25rem 0; }
.bk-drawer__search .bk-searchform .bk-btn { display: none; }
.bk-drawer__search .bk-searchform input[type="search"] { min-height: 2.75rem; }
@media (min-width: 640px) { .bk-drawer__search { display: none; } }
@media (max-width: 639px) {
	.bk-header__actions:has(.bk-lang--header) .bk-search-toggle { display: none; }
}
@media (max-width: 359px) {
	.bk-header__actions:has(.bk-lang--header) :is(.bk-icon-btn, .bk-lang__item) { width: 2.5rem; min-width: 2.5rem; height: 2.5rem; }
	.bk-header__actions:has(.bk-lang--header) { gap: .25rem; }
}
.bk-logo__text { overflow: hidden; }
.bk-logo__name, .bk-logo__tagline { overflow: hidden; text-overflow: ellipsis; }
@media (min-width: 640px) and (max-width: 767px) { .bk-header__inner:has(.bk-lang--header) .bk-logo__tagline { display: none; } }
@media (min-width: 1024px) and (max-width: 1279px) { .bk-header__inner:has(.bk-lang--header) .bk-logo__tagline { display: none; } }