/* ==================================================================
   Gia Nguyễn Glass – Main stylesheet
   Hệ màu: navy thép (kết cấu nhôm) + vàng hổ phách (điểm nhấn CTA)
   ================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
	--navy-950: #06162a;
	--navy-900: #0b2a4a;
	--navy-800: #10375f;
	--primary: #0c5aa6;
	--primary-700: #0a4a89;
	--primary-50: #eaf2fb;
	--accent: #f5a524;
	--accent-600: #e08e0b;
	--accent-50: #fff6e6;

	--text: #14202e;
	--muted: #5a6779;
	--line: #e3e8ee;
	--silver: #c9d2dc;
	--bg: #ffffff;
	--bg-alt: #f3f6f9;

	--font: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
	--radius-sm: 6px;
	--radius: 12px;
	--radius-lg: 20px;
	--shadow-sm: 0 1px 2px rgba(11, 42, 74, .06), 0 1px 3px rgba(11, 42, 74, .08);
	--shadow: 0 10px 30px -12px rgba(11, 42, 74, .22);
	--shadow-lg: 0 24px 60px -20px rgba(6, 22, 42, .35);
	--ease: cubic-bezier(.2, .7, .2, 1);
	--header-h: 76px;
	--container: 1240px;
	--gutter: clamp(16px, 4vw, 32px);
	--section: clamp(56px, 8vw, 104px);
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
	margin: 0;
	font-family: var(--font);
	font-size: 16px;
	line-height: 1.65;
	color: var(--text);
	background: var(--bg);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
}
body.gn-lock { overflow: hidden; }
img, svg, video, iframe { max-width: 100%; }
img { height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-700); }
h1, h2, h3, h4, h5, h6 { margin: 0 0 .5em; line-height: 1.25; font-weight: 700; color: var(--navy-900); letter-spacing: -.01em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
button { font: inherit; cursor: pointer; }
address { font-style: normal; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.screen-reader-text {
	position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
	overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.gn-skip {
	position: absolute; left: 16px; top: -100px; z-index: 9999;
	background: var(--navy-900); color: #fff; padding: 10px 16px; border-radius: var(--radius-sm);
}
.gn-skip:focus { top: 12px; color: #fff; }
.gn-main:focus { outline: none; }

.gn-container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.gn-ico { flex-shrink: 0; }
.gn-stretched::after { content: ''; position: absolute; inset: 0; z-index: 1; }
.gn-mb { margin-bottom: 32px; }
.gn-mt { margin-top: 48px; }

/* ---------- 3. Buttons ---------- */
.gn-btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 8px;
	min-height: 46px; padding: 10px 22px;
	font-weight: 600; font-size: 15px; line-height: 1.2; white-space: nowrap;
	border: 2px solid transparent; border-radius: 999px;
	transition: background .2s, color .2s, border-color .2s, transform .2s var(--ease), box-shadow .2s;
}
.gn-btn:hover { transform: translateY(-1px); }
.gn-btn--lg { min-height: 54px; padding: 14px 28px; font-size: 16px; }
.gn-btn--block { width: 100%; }
.gn-btn--primary { background: var(--primary); color: #fff; }
.gn-btn--primary:hover { background: var(--primary-700); color: #fff; box-shadow: 0 8px 20px -8px rgba(12, 90, 166, .6); }
.gn-btn--accent { background: var(--accent); color: var(--navy-950); }
.gn-btn--accent:hover { background: var(--accent-600); color: var(--navy-950); box-shadow: 0 8px 20px -8px rgba(245, 165, 36, .7); }
.gn-btn--outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.gn-btn--outline:hover { background: var(--primary); color: #fff; }
.gn-btn--ghost-light { border-color: rgba(255, 255, 255, .5); color: #fff; background: rgba(255, 255, 255, .06); }
.gn-btn--ghost-light:hover { background: #fff; color: var(--navy-900); border-color: #fff; }

.gn-icon-btn {
	display: inline-grid; place-items: center; width: 44px; height: 44px;
	border: 0; border-radius: 50%; background: transparent; color: var(--navy-900);
	transition: background .2s;
}
.gn-icon-btn:hover { background: var(--bg-alt); }

.gn-link-more { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; white-space: nowrap; }
.gn-link-more .gn-ico { transition: transform .2s var(--ease); }
.gn-link-more:hover .gn-ico { transform: translateX(4px); }

/* ---------- 4. Header (2 tầng) ---------- */
.gn-header { position: relative; z-index: 910; background: #fff; border-bottom: 1px solid var(--line); }
.gn-header__in { display: flex; align-items: center; gap: 24px; min-height: 84px; }
.gn-logo { margin: 0; flex-shrink: 0; }
.gn-logo img { height: 54px; width: auto; }
.gn-header__contacts { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.gn-hcontact { display: flex; align-items: center; gap: 12px; color: var(--navy-900); line-height: 1.25; }
.gn-hcontact:hover { color: var(--primary); }
.gn-hcontact__ico { display: grid; place-items: center; width: 44px; height: 44px; flex-shrink: 0; border-radius: 50%; background: var(--primary-50); color: var(--primary); }
.gn-hcontact--zalo .gn-hcontact__ico { background: #0068ff; color: #fff; font-size: 11.5px; font-weight: 800; }
.gn-hcontact small { display: block; font-size: 12.5px; color: var(--muted); }
.gn-hcontact strong { display: block; font-size: 17px; font-weight: 800; white-space: nowrap; }
.gn-header__actions { display: flex; align-items: center; gap: 8px; }
.gn-burger { display: none; }

/* Thanh menu */
.gn-navbar { position: sticky; top: 0; z-index: 900; background: var(--navy-900); transition: box-shadow .25s; }
.gn-navbar.is-scrolled { box-shadow: 0 6px 20px -8px rgba(6, 22, 42, .45); }
.gn-nav__head, .gn-nav__foot { display: none; }
.gn-nav__wrap { display: flex; align-items: stretch; }
.gn-nav__home { display: grid; place-items: center; width: 54px; flex-shrink: 0; color: #fff; background: var(--primary); }
.gn-nav__home:hover, .gn-nav__home[aria-current] { background: var(--accent); color: var(--navy-950); }
.gn-nav__list { display: flex; flex: 1; justify-content: space-between; list-style: none; }
.gn-nav__item { position: relative; display: flex; align-items: center; }
.gn-nav__link { display: block; white-space: nowrap; }

.gn-nav__list > .gn-nav__item { flex: 1 1 auto; justify-content: center; }
.gn-nav__list > .gn-nav__item + .gn-nav__item::before { content: ''; position: absolute; left: 0; top: 18px; bottom: 18px; width: 1px; background: rgba(255, 255, 255, .1); }
.gn-nav__list > .gn-nav__item > .gn-nav__link {
	position: relative; padding: 0 14px; line-height: 54px;
	font-size: 14px; font-weight: 600; letter-spacing: .02em; text-transform: uppercase; color: #fff;
}
.gn-nav__list > .gn-nav__item.has-sub > .gn-nav__link { padding-right: 2px; }
.gn-nav__list > .gn-nav__item > .gn-nav__link::after {
	content: ''; position: absolute; left: 14px; right: 14px; bottom: 0; height: 3px;
	background: var(--accent); transform: scaleX(0); transition: transform .25s var(--ease);
}
.gn-nav__list > .gn-nav__item:hover, .gn-nav__list > .gn-nav__item.is-open { background: rgba(255, 255, 255, .06); }
.gn-nav__list > .gn-nav__item:hover > .gn-nav__link,
.gn-nav__list > .gn-nav__item.is-current > .gn-nav__link { color: var(--accent); }
.gn-nav__list > .gn-nav__item:hover > .gn-nav__link::after,
.gn-nav__list > .gn-nav__item.is-current > .gn-nav__link::after { transform: scaleX(1); }
.gn-nav__toggle { display: grid; place-items: center; width: 26px; height: 40px; padding: 0; border: 0; background: none; color: inherit; }
.gn-nav__list > .gn-nav__item > .gn-nav__toggle { color: rgba(255, 255, 255, .65); margin-right: 8px; }
.gn-nav__list > .gn-nav__item:hover > .gn-nav__toggle { color: var(--accent); }

/* Dropdown */
.gn-nav__sub {
	position: absolute; top: 100%; left: 0; z-index: 5; width: max-content; min-width: 250px; padding: 8px;
	list-style: none; background: #fff; border-top: 3px solid var(--accent); border-radius: 0 0 var(--radius) var(--radius);
	box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transform: translateY(8px);
	transition: opacity .2s, transform .2s var(--ease), visibility .2s;
}
.gn-nav__sub .gn-nav__item { justify-content: space-between; border-radius: 8px; }
.gn-nav__sub .gn-nav__link { flex: 1; padding: 10px 14px; font-size: 14.5px; font-weight: 500; color: var(--navy-900); transition: color .2s, padding .2s; }
.gn-nav__sub .gn-nav__item:hover { background: var(--bg-alt); }
.gn-nav__sub .gn-nav__item:hover > .gn-nav__link, .gn-nav__sub .is-current > .gn-nav__link { color: var(--primary); padding-left: 18px; }
.gn-nav__sub .gn-nav__toggle { transform: rotate(-90deg); color: var(--muted); margin-right: 4px; }
.gn-nav__sub .gn-nav__sub { top: -11px; left: calc(100% + 8px); border-top: 0; border-left: 3px solid var(--accent); border-radius: 0 var(--radius) var(--radius) 0; }
.gn-nav__sub .gn-nav__sub::before { content: ''; position: absolute; top: 0; bottom: 0; left: -14px; width: 14px; } /* cầu nối hover */
/* Các mục cuối hàng: mở dropdown sang trái để không tràn màn hình */
.gn-nav__list > .gn-nav__item:nth-last-child(-n+2) > .gn-nav__sub { left: auto; right: 0; }
.gn-nav__list > .gn-nav__item:nth-last-child(-n+3) .gn-nav__sub .gn-nav__sub { left: auto; right: calc(100% + 8px); border-left: 0; border-right: 3px solid var(--accent); border-radius: var(--radius) 0 0 var(--radius); }
.gn-nav__list > .gn-nav__item:nth-last-child(-n+3) .gn-nav__sub .gn-nav__sub::before { left: auto; right: -14px; }
.gn-nav__item:hover > .gn-nav__sub,
.gn-nav__item:focus-within > .gn-nav__sub,
.gn-nav__item.is-open > .gn-nav__sub { opacity: 1; visibility: visible; transform: none; }

/* Search panel */
.gn-search { border-top: 1px solid var(--line); background: #fff; padding: 16px 0; }
.gn-search__form {
	display: flex; align-items: center; gap: 10px; padding: 6px 6px 6px 18px;
	border: 2px solid var(--line); border-radius: 999px; background: #fff; transition: border-color .2s;
}
.gn-search__form:focus-within { border-color: var(--primary); }
.gn-search__form .gn-ico { color: var(--muted); }
.gn-search__form input { flex: 1; min-width: 0; border: 0; outline: 0; font: inherit; padding: 8px 0; background: transparent; }
.gn-search__form--page { max-width: 640px; margin: 0 auto 40px; }

.gn-backdrop { position: fixed; inset: 0; z-index: 950; background: rgba(6, 22, 42, .55); }
/* ---------- 5. Section system ---------- */
.gn-section { padding-block: var(--section); }
.gn-section--tight { padding-block: clamp(40px, 6vw, 72px); }
.gn-section--alt { background: var(--bg-alt); }
.gn-section--dark { background: var(--navy-900); color: #c9d6e5; position: relative; overflow: hidden; }
.gn-section--dark::before {
	content: ''; position: absolute; inset: 0; pointer-events: none;
	background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
	background-size: 64px 64px;
	mask-image: radial-gradient(ellipse at top, #000 20%, transparent 70%);
}
.gn-section--dark .gn-h2, .gn-section--dark h3 { color: #fff; }

.gn-head { margin-bottom: clamp(32px, 4vw, 48px); max-width: 720px; }
.gn-head--center { text-align: center; margin-inline: auto; }
.gn-head--split { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px 48px; max-width: none; flex-wrap: wrap; }
.gn-head--split .gn-lead { max-width: 520px; margin: 0; }
.gn-eyebrow {
	display: inline-flex; align-items: center; gap: 10px; margin: 0 0 12px;
	font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--primary);
}
.gn-eyebrow::before { content: ''; width: 28px; height: 2px; background: var(--accent); }
.gn-head--center .gn-eyebrow::after { content: ''; width: 28px; height: 2px; background: var(--accent); }
.gn-section--dark .gn-eyebrow, .gn-eyebrow--light { color: var(--accent); }
.gn-h2 { font-size: clamp(26px, 3.4vw, 40px); font-weight: 800; margin: 0 0 14px; }
.gn-lead { font-size: 17px; color: var(--muted); }
.gn-section--dark .gn-lead { color: #a9b9cc; }

.gn-grid { display: grid; gap: clamp(16px, 2.4vw, 28px); }
.gn-grid--2 { grid-template-columns: repeat(2, 1fr); }
.gn-grid--3 { grid-template-columns: repeat(3, 1fr); }
.gn-grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 6. Hero (front page) ---------- */
.gn-hero {
	position: relative; isolation: isolate; overflow: hidden;
	min-height: min(88vh, 820px); display: flex; flex-direction: column; justify-content: flex-end;
	background: var(--navy-950); color: #fff;
}
.gn-hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.gn-hero::before {
	content: ''; position: absolute; inset: 0; z-index: -1;
	background:
		linear-gradient(90deg, rgba(6, 22, 42, .94) 0%, rgba(6, 22, 42, .78) 42%, rgba(6, 22, 42, .25) 100%),
		linear-gradient(0deg, rgba(6, 22, 42, .9) 0%, transparent 40%);
}
.gn-hero__in { padding-block: clamp(72px, 10vw, 120px) 40px; }
.gn-hero__content { max-width: 680px; }
.gn-hero__badge {
	display: inline-flex; align-items: center; gap: 8px; margin: 0 0 22px; padding: 8px 16px;
	font-size: 13.5px; font-weight: 600; color: var(--accent);
	background: rgba(245, 165, 36, .12); border: 1px solid rgba(245, 165, 36, .35); border-radius: 999px;
}
.gn-hero__title { color: #fff; font-size: clamp(36px, 6vw, 68px); font-weight: 800; line-height: 1.08; letter-spacing: -.02em; margin-bottom: 20px; }
.gn-hero__title span { display: block; color: var(--accent); }
.gn-hero__desc { font-size: clamp(16px, 1.6vw, 19px); color: #d3deea; max-width: 580px; margin-bottom: 32px; }
.gn-hero__btns { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 28px; }
.gn-hero__checks { display: flex; flex-wrap: wrap; gap: 10px 24px; list-style: none; font-size: 14.5px; color: #c9d6e5; }
.gn-hero__checks li { display: flex; align-items: center; gap: 8px; }
.gn-hero__checks .gn-ico { color: var(--accent); }
.gn-hero__stats {
	display: grid; grid-template-columns: repeat(4, 1fr); margin: 0 0 clamp(24px, 4vw, 40px);
	background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14);
	border-radius: var(--radius-lg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.gn-hero__stats > div { padding: 22px 26px; display: flex; flex-direction: column-reverse; }
.gn-hero__stats > div + div { border-left: 1px solid rgba(255, 255, 255, .12); }
.gn-hero__stats dt { font-size: 13.5px; color: #a9b9cc; }
.gn-hero__stats dd { margin: 0; font-size: clamp(24px, 2.6vw, 32px); font-weight: 800; color: #fff; line-height: 1.2; }
.gn-hero__stats dd a { color: var(--accent); }

/* Brands strip */
.gn-brands { background: #fff; border-bottom: 1px solid var(--line); }
.gn-brands__in { display: flex; align-items: center; gap: 32px; min-height: 84px; }
.gn-brands__label { margin: 0; font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.gn-brands__list { display: flex; flex: 1; justify-content: space-between; gap: 24px; list-style: none; flex-wrap: wrap; }
.gn-brands__list li { font-weight: 800; font-size: 17px; letter-spacing: .08em; color: var(--silver); transition: color .2s; }
.gn-brands__list li:hover { color: var(--navy-800); }

/* ---------- 7. Category cards ---------- */
.gn-cats { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 280px; gap: clamp(14px, 2vw, 22px); }
.gn-cat { position: relative; display: flex; align-items: flex-end; overflow: hidden; border-radius: var(--radius-lg); background: var(--navy-900); isolation: isolate; }
.gn-cat--lg { grid-row: span 2; }
.gn-cat img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .6s var(--ease); }
.gn-cat::before { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(6, 22, 42, .05) 20%, rgba(6, 22, 42, .88) 100%); transition: background .3s; }
.gn-cat:hover img { transform: scale(1.06); }
.gn-cat:hover::before { background: linear-gradient(180deg, rgba(12, 90, 166, .25) 0%, rgba(6, 22, 42, .92) 100%); }
.gn-cat__body { width: 100%; padding: clamp(20px, 2.4vw, 28px); color: #fff; }
.gn-cat__num { display: inline-block; margin-bottom: 8px; font-size: 13px; font-weight: 700; color: var(--accent); letter-spacing: .08em; }
.gn-cat__title { color: #fff; font-size: clamp(19px, 1.8vw, 23px); margin: 0 0 6px; }
.gn-cat__title a { color: inherit; }
.gn-cat--lg .gn-cat__title { font-size: clamp(24px, 2.6vw, 32px); }
.gn-cat__desc { margin: 0 0 12px; font-size: 14.5px; color: #c9d6e5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.gn-cat__more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--accent); }
.gn-cat__more .gn-ico { transition: transform .2s var(--ease); }
.gn-cat:hover .gn-cat__more .gn-ico { transform: translateX(4px); }

/* ---------- 8. About ---------- */
.gn-about { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.gn-about__media { position: relative; padding: 0 0 32px 32px; }
.gn-about__media::before {
	content: ''; position: absolute; left: 0; bottom: 0; width: 70%; height: 70%;
	border: 2px solid var(--silver); border-radius: var(--radius-lg); z-index: 0;
}
.gn-about__media img { position: relative; z-index: 1; width: 100%; aspect-ratio: 9 / 10; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.gn-about__badge {
	position: absolute; z-index: 2; right: -12px; bottom: 64px; max-width: 200px; padding: 20px 22px;
	background: var(--accent); color: var(--navy-950); border-radius: var(--radius); box-shadow: var(--shadow);
}
.gn-about__badge strong { display: block; font-size: 40px; line-height: 1; font-weight: 800; }
.gn-about__badge span { display: block; margin-top: 6px; font-size: 14px; font-weight: 600; line-height: 1.4; }
.gn-about__content > p { color: var(--muted); }
.gn-about__content > p strong { color: var(--text); }
.gn-about__feats { list-style: none; display: grid; gap: 18px; margin: 28px 0 32px; }
.gn-about__feats li { display: flex; gap: 16px; align-items: flex-start; }
.gn-about__ico { display: grid; place-items: center; width: 50px; height: 50px; flex-shrink: 0; border-radius: 12px; background: var(--primary-50); color: var(--primary); }
.gn-about__feats h3 { font-size: 17px; margin: 2px 0 2px; }
.gn-about__feats p { margin: 0; font-size: 15px; color: var(--muted); }

/* ---------- 9. Why ---------- */
.gn-why { position: relative; list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .1); border-radius: var(--radius-lg); overflow: hidden; }
.gn-why__item { padding: clamp(24px, 3vw, 36px); background: var(--navy-900); transition: background .25s; }
.gn-why__item:hover { background: var(--navy-800); }
.gn-why__ico { display: grid; place-items: center; width: 56px; height: 56px; margin-bottom: 18px; border-radius: 14px; background: rgba(245, 165, 36, .12); color: var(--accent); }
.gn-why__item h3 { font-size: 19px; margin-bottom: 8px; }
.gn-why__item p { margin: 0; font-size: 15px; color: #a9b9cc; }

/* ---------- 10. Process ---------- */
.gn-steps { list-style: none; counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2.4vw, 28px); }
.gn-step {
	counter-increment: step; position: relative; padding: 28px 28px 26px; border-radius: var(--radius-lg);
	background: #fff; border: 1px solid var(--line); transition: border-color .25s, box-shadow .25s, transform .25s var(--ease);
}
.gn-step:hover { border-color: transparent; box-shadow: var(--shadow); transform: translateY(-3px); }
.gn-step::before {
	content: counter(step, decimal-leading-zero); display: block; margin-bottom: 14px;
	font-size: 40px; font-weight: 800; line-height: 1; color: transparent; -webkit-text-stroke: 1.5px var(--primary);
}
.gn-step::after { content: ''; position: absolute; top: 0; left: 28px; width: 40px; height: 3px; background: var(--accent); border-radius: 0 0 3px 3px; }
.gn-step h3 { font-size: 18px; margin-bottom: 6px; }
.gn-step p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------- 12. Blog card ---------- */
.gn-bcard { position: relative; display: flex; flex-direction: column; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: box-shadow .25s, transform .25s var(--ease); }
.gn-bcard:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.gn-bcard__media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--bg-alt); }
.gn-bcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.gn-bcard:hover .gn-bcard__media img { transform: scale(1.05); }
.gn-bcard__body { display: flex; flex-direction: column; flex: 1; padding: 20px 22px 22px; }
.gn-bcard__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 10px; font-size: 13px; color: var(--muted); }
.gn-bcard__cat { padding: 3px 10px; border-radius: 999px; background: var(--primary-50); color: var(--primary); font-weight: 600; }
.gn-bcard__title { font-size: 18px; line-height: 1.4; margin: 0 0 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.gn-bcard__title a { color: var(--navy-900); }
.gn-bcard:hover .gn-bcard__title a { color: var(--primary); }
.gn-bcard__excerpt { font-size: 15px; color: var(--muted); margin: 0 0 16px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.gn-bcard__more { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--primary); }

/* ---------- 13. FAQ ---------- */
.gn-faq { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.gn-faq .gn-head { position: sticky; top: calc(var(--header-h) + 24px); margin: 0; }
.gn-faq__list { display: grid; gap: 12px; }
.gn-faq__item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .2s, box-shadow .2s; }
.gn-faq__item[open] { border-color: rgba(12, 90, 166, .35); box-shadow: var(--shadow-sm); }
.gn-faq__item summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 22px; cursor: pointer; list-style: none; }
.gn-faq__item summary::-webkit-details-marker { display: none; }
.gn-faq__item summary h3 { margin: 0; font-size: 16.5px; font-weight: 600; line-height: 1.45; }
.gn-faq__item[open] summary h3 { color: var(--primary); }
.gn-faq__ico { position: relative; width: 28px; height: 28px; flex-shrink: 0; border-radius: 50%; background: var(--bg-alt); transition: background .2s, transform .3s var(--ease); }
.gn-faq__ico::before, .gn-faq__ico::after { content: ''; position: absolute; top: 50%; left: 50%; width: 12px; height: 2px; background: var(--navy-900); transform: translate(-50%, -50%); transition: transform .3s var(--ease), background .2s; }
.gn-faq__ico::after { transform: translate(-50%, -50%) rotate(90deg); }
.gn-faq__item[open] .gn-faq__ico { background: var(--primary); transform: rotate(180deg); }
.gn-faq__item[open] .gn-faq__ico::before, .gn-faq__item[open] .gn-faq__ico::after { background: #fff; }
.gn-faq__item[open] .gn-faq__ico::after { transform: translate(-50%, -50%) rotate(0); }
.gn-faq__a { padding: 0 22px 20px; color: var(--muted); }
.gn-faq__a > :last-child { margin-bottom: 0; }
.gn-faq__a ol, .gn-faq__a ul { padding-left: 20px; }

/* ---------- 14. Quote ---------- */
.gn-quote { background: linear-gradient(135deg, var(--navy-950) 0%, var(--navy-800) 100%); color: #c9d6e5; position: relative; overflow: hidden; }
.gn-quote::after { content: ''; position: absolute; right: -160px; top: -160px; width: 480px; height: 480px; border: 60px solid rgba(255, 255, 255, .03); border-radius: 50%; pointer-events: none; }
.gn-quote .gn-h2 { color: #fff; }
.gn-quote .gn-eyebrow { color: var(--accent); }
.gn-quote__in { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.gn-quote__contacts { list-style: none; display: grid; gap: 14px; margin-top: 28px; }
.gn-quote__contacts li { display: flex; align-items: center; gap: 14px; }
.gn-quote__contacts li > span { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: rgba(255, 255, 255, .08); color: var(--accent); flex-shrink: 0; }
.gn-quote__contacts small { display: block; font-size: 13px; color: #8ea2b9; }
.gn-quote__contacts a, .gn-quote__contacts div > span { color: #fff; font-weight: 600; font-size: 16.5px; }
.gn-quote__form { padding: clamp(24px, 4vw, 40px); background: #fff; color: var(--text); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); display: grid; gap: 14px; }
.gn-quote__form > p { margin: 0; color: var(--muted); }
.gn-quote__form-title { font-size: 22px; font-weight: 800; color: var(--navy-900) !important; }
.gn-quote__note { display: flex; align-items: center; justify-content: center; gap: 6px; font-size: 13.5px; }
.gn-quote__note .gn-ico { color: #16a34a; }
.gn-quote__map { position: relative; z-index: 1; margin-top: 48px; }
.gn-quote__map iframe { width: 100%; height: 360px; border: 0; border-radius: var(--radius-lg); }

/* ---------- 15. Page hero (inner pages) ---------- */
.gn-phero { position: relative; isolation: isolate; overflow: hidden; background: var(--navy-900); color: #c9d6e5; padding-block: clamp(36px, 5vw, 64px); }
.gn-phero::before {
	content: ''; position: absolute; inset: 0; z-index: -1;
	background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
	background-size: 56px 56px;
}
.gn-phero--img::before { background: linear-gradient(90deg, rgba(6, 22, 42, .92) 0%, rgba(6, 22, 42, .6) 100%); }
.gn-phero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.gn-phero__title { color: #fff; font-size: clamp(28px, 4.2vw, 46px); font-weight: 800; max-width: 900px; margin: 6px 0 12px; }
.gn-phero__desc { max-width: 720px; font-size: 16.5px; color: #c0cedd; }
.gn-phero__desc p:last-child { margin-bottom: 0; }
.gn-phero__meta { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 14px; font-size: 14px; color: #a9b9cc; }
.gn-phero__meta span { display: inline-flex; align-items: center; gap: 6px; }
.gn-phero__meta .gn-ico { color: var(--accent); }

/* Breadcrumb (theme + Yoast) */
.gn-bc { font-size: 14px; color: var(--muted); margin-bottom: 18px; }
.gn-bc ol { display: flex; flex-wrap: wrap; align-items: center; list-style: none; gap: 4px; }
.gn-bc li { display: inline-flex; align-items: center; gap: 4px; }
.gn-bc li + li::before { content: '/'; margin: 0 4px; color: var(--silver); }
.gn-bc a { color: var(--muted); }
.gn-bc a:hover { color: var(--primary); }
.gn-bc [aria-current] span, .gn-bc .last, .gn-bc .breadcrumb_last { color: var(--navy-900); font-weight: 600; }
.gn-bc--light, .gn-bc--light a { color: #a9b9cc; }
.gn-bc--light a:hover { color: var(--accent); }
.gn-bc--light li + li::before { color: rgba(255, 255, 255, .3); }
.gn-bc--light [aria-current] span, .gn-bc--light .last, .gn-bc--light .breadcrumb_last { color: #fff; }
.gn-bc .separator { margin: 0 4px; opacity: .5; }

/* ---------- 16. Layout with sidebar ---------- */
.gn-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(28px, 4vw, 48px); align-items: start; }
.gn-layout--left { grid-template-columns: 280px minmax(0, 1fr); }
.gn-sidebar { display: grid; gap: 20px; position: sticky; top: calc(var(--header-h) + 20px); }
.gn-side-card { padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.gn-side-card__title { position: relative; margin: 0 0 14px; padding-bottom: 12px; font-size: 16px; font-weight: 700; color: var(--navy-900); border-bottom: 1px solid var(--line); }
.gn-side-card__title::after { content: ''; position: absolute; left: 0; bottom: -1px; width: 40px; height: 2px; background: var(--accent); }
.gn-side-card ul:not([class]) { list-style: none; display: grid; gap: 8px; }
.gn-side-list { list-style: none; display: grid; gap: 2px; }
.gn-side-list a { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 9px 12px; border-radius: 8px; color: var(--text); font-size: 15px; transition: background .2s, color .2s; }
.gn-side-list a:hover { background: var(--bg-alt); color: var(--primary); }
.gn-side-list .is-active a { background: var(--primary); color: #fff; }
.gn-side-list em { font-style: normal; font-size: 12.5px; min-width: 28px; text-align: center; padding: 1px 8px; border-radius: 999px; background: var(--bg-alt); color: var(--muted); }
.gn-side-list .is-active em { background: rgba(255, 255, 255, .2); color: #fff; }
.gn-side-list .gn-ico { color: var(--silver); }
.gn-side-posts { list-style: none; display: grid; gap: 14px; }
.gn-side-posts a { display: flex; gap: 12px; align-items: flex-start; color: var(--text); }
.gn-side-posts img { width: 72px; height: 56px; object-fit: cover; border-radius: 8px; flex-shrink: 0; }
.gn-side-posts__title { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 14.5px; font-weight: 600; line-height: 1.4; }
.gn-side-posts a:hover .gn-side-posts__title { color: var(--primary); }
.gn-side-posts time { display: block; margin-top: 4px; font-size: 12.5px; color: var(--muted); }
.gn-side-cta { padding: 24px; border-radius: var(--radius); background: linear-gradient(135deg, var(--navy-900), var(--primary-700)); color: #c9d6e5; display: grid; gap: 10px; }
.gn-side-cta p { margin: 0; font-size: 14.5px; }
.gn-side-cta .gn-side-cta__title { font-size: 18px; font-weight: 800; color: #fff; }

/* Chips filter */
.gn-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.gn-chips a { padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--text); font-size: 14px; font-weight: 500; transition: all .2s; }
.gn-chips a:hover { border-color: var(--primary); color: var(--primary); }
.gn-chips a.is-active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* Pagination */
.gn-pagination { margin-top: 40px; }
.gn-pagination .nav-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px; }
.gn-pagination .page-numbers { display: inline-grid; place-items: center; min-width: 44px; height: 44px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--line); background: #fff; color: var(--text); font-weight: 600; }
.gn-pagination a.page-numbers:hover { border-color: var(--primary); color: var(--primary); }
.gn-pagination .page-numbers.current { background: var(--primary); border-color: var(--primary); color: #fff; }
.gn-pagination .dots { border: 0; background: none; }

/* Empty */
.gn-empty { padding: 56px 24px; text-align: center; background: var(--bg-alt); border-radius: var(--radius-lg); }
.gn-empty h2 { font-size: 22px; }
.gn-empty p { color: var(--muted); max-width: 520px; margin-inline: auto; margin-bottom: 20px; }

/* ---------- 17. Prose (nội dung bài viết) ---------- */
.gn-prose { font-size: 17px; line-height: 1.8; color: #263445; overflow-wrap: break-word; }
.gn-prose--narrow { max-width: 820px; margin-inline: auto; }
.gn-prose > :first-child { margin-top: 0; }
.gn-prose h2 { font-size: clamp(22px, 2.6vw, 28px); margin: 1.8em 0 .6em; padding-left: 14px; border-left: 4px solid var(--accent); }
.gn-prose h3 { font-size: clamp(19px, 2vw, 22px); margin: 1.6em 0 .5em; }
.gn-prose h4 { font-size: 18px; margin: 1.4em 0 .5em; }
.gn-prose p, .gn-prose ul, .gn-prose ol, .gn-prose blockquote, .gn-prose figure { margin: 0 0 1.25em; }
.gn-prose ul, .gn-prose ol { padding-left: 1.4em; }
.gn-prose li { margin-bottom: .4em; }
.gn-prose li::marker { color: var(--primary); }
.gn-prose a { text-decoration: underline; text-decoration-color: rgba(12, 90, 166, .35); text-underline-offset: 3px; }
.gn-prose a:hover { text-decoration-color: currentColor; }
.gn-prose img { border-radius: var(--radius); margin-inline: auto; }
.gn-prose figure { max-width: 100%; }
.gn-prose figcaption, .gn-prose .wp-caption-text { margin-top: 8px; font-size: 14px; color: var(--muted); text-align: center; }
.gn-prose .wp-caption { max-width: 100%; }
.gn-prose blockquote { padding: 18px 22px; border-left: 4px solid var(--primary); background: var(--primary-50); border-radius: 0 var(--radius) var(--radius) 0; font-style: italic; }
.gn-prose blockquote > :last-child { margin-bottom: 0; }
.gn-table { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 0 1.25em; border-radius: var(--radius); }
.gn-prose table { width: 100% !important; max-width: 100%; height: auto !important; border-collapse: collapse; font-size: 15px; margin: 0 0 1.25em; }
.gn-table > table { margin: 0; }
.gn-prose table col, .gn-prose table tr, .gn-prose table td, .gn-prose table th { width: auto !important; height: auto !important; }
.gn-prose tbody tr:nth-child(even) td { background: #f7f9fc; }
@media (max-width: 640px) { .gn-prose table { min-width: 560px; font-size: 14px; } .gn-prose th, .gn-prose td { padding: 8px 10px; } }
.gn-prose th, .gn-prose td { padding: 10px 14px; border: 1px solid var(--line); text-align: left; }
.gn-prose th { background: var(--bg-alt); font-weight: 700; color: var(--navy-900); }
.gn-prose iframe { width: 100%; border: 0; border-radius: var(--radius); }
.gn-prose .aligncenter { margin-inline: auto; }
.gn-prose .alignleft { float: left; margin: 0 1.5em 1em 0; }
.gn-prose .alignright { float: right; margin: 0 0 1em 1.5em; }
.gn-prose hr { border: 0; border-top: 1px solid var(--line); margin: 2em 0; }
/* Fixed TOC plugin / mục lục */
.gn-prose #toc_container, .gn-prose .ftwp-in-post { border-radius: var(--radius); }

.gn-single__thumb { margin: 0 0 32px; }
.gn-single__thumb img { width: 100%; border-radius: var(--radius-lg); }

.gn-tags, .gn-share { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 32px; }
.gn-tags > span, .gn-share > span { font-weight: 700; color: var(--navy-900); margin-right: 4px; }
.gn-tags a { padding: 6px 14px; border-radius: 999px; background: var(--bg-alt); color: var(--text); font-size: 14px; }
.gn-tags a:hover { background: var(--primary); color: #fff; }
.gn-share { padding-top: 24px; border-top: 1px solid var(--line); }
.gn-share a, .gn-share button { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--text); font-size: 14px; font-weight: 500; }
.gn-share a:hover, .gn-share button:hover { border-color: var(--primary); color: var(--primary); }

.gn-author { display: flex; gap: 18px; align-items: flex-start; margin-top: 32px; padding: 24px; border-radius: var(--radius); background: var(--bg-alt); }
.gn-author img { width: 72px; height: 72px; border-radius: 50%; flex-shrink: 0; }
.gn-author small { display: block; color: var(--muted); font-size: 13px; }
.gn-author a { font-weight: 700; font-size: 17px; color: var(--navy-900); }
.gn-author p { margin: 6px 0 0; font-size: 15px; color: var(--muted); }

.gn-postnav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.gn-postnav__item { display: flex; flex-direction: column; gap: 4px; padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius); color: var(--navy-900); transition: border-color .2s; }
.gn-postnav__item:hover { border-color: var(--primary); }
.gn-postnav__item small { color: var(--muted); }
.gn-postnav__item span { font-weight: 600; line-height: 1.4; }
.gn-postnav__item--next { text-align: right; grid-column: 2; }

.gn-page-links { margin-top: 24px; font-weight: 600; }

/* Comments */
.gn-comments { margin-top: 48px; }
.gn-comments .comment-list { list-style: none; display: grid; gap: 16px; }
.gn-comments .comment-body { padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); }
.gn-comments textarea, .gn-comments input[type=text], .gn-comments input[type=email], .gn-comments input[type=url] { width: 100%; padding: 12px 14px; font: inherit; border: 1.5px solid var(--line); border-radius: 10px; }
.gn-comments input[type=submit] { padding: 12px 24px; border: 0; border-radius: 999px; background: var(--primary); color: #fff; font: inherit; font-weight: 600; cursor: pointer; }

/* ---------- 20. 404 ---------- */
.gn-404__in { text-align: center; max-width: 720px; }
.gn-404__code { margin: 0; font-size: clamp(96px, 18vw, 180px); font-weight: 800; line-height: 1; color: transparent; -webkit-text-stroke: 2px var(--primary); letter-spacing: -.04em; }
.gn-404 .gn-search__form--page { margin-block: 32px; }
.gn-404__btns { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }

/* ---------- 21. Footer ---------- */
.gn-footer { background: var(--navy-950); color: #9fb0c4; font-size: 15px; }
.gn-footer a { color: #c9d6e5; }
.gn-footer a:hover { color: var(--accent); }
.gn-footer__cta { background: linear-gradient(90deg, var(--primary-700), var(--primary)); }
.gn-footer__cta-in { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding-block: 36px; }
.gn-footer__cta-title { margin: 0 0 4px; font-size: clamp(20px, 2.4vw, 26px); font-weight: 800; color: #fff; }
.gn-footer__cta-sub { margin: 0; color: #d6e4f3; }
.gn-footer__cta-btns { display: flex; flex-wrap: wrap; gap: 12px; }
.gn-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 40px; padding-block: 64px 48px; }
.gn-footer__logo { height: 48px; width: auto; margin-bottom: 18px; background: #fff; padding: 6px 10px; border-radius: 8px; }
.gn-footer__brand p { margin: 0 0 20px; }
.gn-footer__social { display: flex; gap: 10px; list-style: none; }
.gn-footer__social a { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, .07); transition: background .2s, color .2s; }
.gn-footer__social a:hover { background: var(--accent); color: var(--navy-950); }
.gn-footer__title { position: relative; margin: 0 0 20px; padding-bottom: 12px; font-size: 16px; font-weight: 700; color: #fff; }
.gn-footer__title::after { content: ''; position: absolute; left: 0; bottom: 0; width: 32px; height: 2px; background: var(--accent); }
.gn-footer__links { list-style: none; display: grid; gap: 10px; }
.gn-footer__links a { display: inline-block; transition: color .2s, transform .2s var(--ease); }
.gn-footer__links a:hover { transform: translateX(4px); }
.gn-footer__nap p { display: flex; gap: 10px; margin: 0 0 10px; align-items: flex-start; }
.gn-footer__nap p:first-child { color: #fff; }
.gn-footer__nap .gn-ico { margin-top: 3px; color: var(--accent); }
.gn-footer__bottom { border-top: 1px solid rgba(255, 255, 255, .08); font-size: 13.5px; }
.gn-footer__bottom-in { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-block: 20px; }

/* Floating contact */
.gn-float { position: fixed; right: 18px; bottom: 22px; z-index: 800; display: grid; gap: 12px; }
.gn-float__btn { position: relative; display: grid; place-items: center; width: 54px; height: 54px; border-radius: 50%; color: #fff; box-shadow: 0 10px 24px -8px rgba(6, 22, 42, .45); transition: transform .2s var(--ease); }
.gn-float__btn:hover { transform: scale(1.08); color: #fff; }
.gn-float__btn--call { background: #16a34a; }
.gn-float__btn--call::before { content: ''; position: absolute; inset: 0; border-radius: 50%; background: #16a34a; z-index: -1; animation: gn-pulse 2s infinite; }
.gn-float__btn--zalo { background: #0068ff; font-size: 13px; font-weight: 800; }
@keyframes gn-pulse { 0% { transform: scale(1); opacity: .6; } 100% { transform: scale(1.7); opacity: 0; } }
.gn-totop { position: fixed; left: 18px; bottom: 22px; z-index: 800; display: grid; place-items: center; width: 44px; height: 44px; border: 0; border-radius: 50%; background: var(--navy-900); color: #fff; transform: rotate(180deg); box-shadow: var(--shadow); }

/* Reveal on scroll */
.gn-reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.gn-reveal.is-in { opacity: 1; transform: none; }

/* ---------- 21b. Thành phần mới: Zalo, lọc mẫu, mẫu thi công, bảng giá, CTA box ---------- */
.gn-btn--zalo { background: #0068ff; color: #fff; }
.gn-btn--zalo:hover { background: #0054cc; color: #fff; box-shadow: 0 8px 20px -8px rgba(0, 104, 255, .6); }

.gn-filter { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: -12px 0 32px; }
.gn-filter button { padding: 9px 18px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--text); font-size: 14.5px; font-weight: 500; transition: all .2s; }
.gn-filter button:hover { border-color: var(--primary); color: var(--primary); }
.gn-filter button.is-active { background: var(--navy-900); border-color: var(--navy-900); color: #fff; }
.gn-filter__empty { text-align: center; color: var(--muted); margin-top: 8px; }

.gn-wcard { position: relative; overflow: hidden; border-radius: var(--radius); background: var(--navy-900); aspect-ratio: 4 / 5; isolation: isolate; display: flex; align-items: flex-end; }
.gn-wcard[hidden] { display: none !important; }
.gn-wcard__media { position: absolute; inset: 0; z-index: -2; }
.gn-wcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.gn-wcard::before { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, transparent 35%, rgba(6, 22, 42, .92) 100%); }
.gn-wcard:hover .gn-wcard__media img { transform: scale(1.06); }
.gn-wcard__body { width: 100%; padding: 18px; color: #fff; }
.gn-wcard__cat { display: inline-block; margin-bottom: 8px; padding: 3px 10px; border-radius: 999px; background: var(--accent); color: var(--navy-950); font-size: 12px; font-weight: 700; }
.gn-wcard__title { margin: 0 0 6px; font-size: 16.5px; line-height: 1.4; color: #fff; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.gn-wcard__title a { color: inherit; }
.gn-wcard__more { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 600; color: var(--accent); opacity: .9; }

.gn-prices { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.gn-price { position: relative; display: flex; align-items: center; gap: 14px; padding: 18px 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .2s, box-shadow .2s, transform .2s var(--ease); }
.gn-price:hover { border-color: transparent; box-shadow: var(--shadow); transform: translateY(-2px); }
.gn-price > div { flex: 1; min-width: 0; }
.gn-price__ico { display: grid; place-items: center; width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px; background: var(--accent-50); color: var(--accent-600); }
.gn-price__title { margin: 0 0 2px; font-size: 15.5px; font-weight: 600; line-height: 1.4; }
.gn-price__title a { color: var(--navy-900); }
.gn-price:hover .gn-price__title a { color: var(--primary); }
.gn-price__date { font-size: 12.5px; color: var(--muted); }
.gn-price > .gn-ico { color: var(--silver); }

.gn-ctabox { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: 40px; padding: 26px 28px; border-radius: var(--radius-lg); background: linear-gradient(135deg, var(--navy-900), var(--primary-700)); color: #c9d6e5; }
.gn-ctabox__text { flex: 1 1 320px; }
.gn-ctabox__text p { margin: 0; }
.gn-ctabox .gn-ctabox__title { margin-bottom: 4px; font-size: 19px; font-weight: 800; color: #fff; }
.gn-ctabox__btns { display: flex; flex-wrap: wrap; gap: 10px; }

.gn-footer__menu { padding-bottom: 24px; }
.gn-footer__inline { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 20px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .08); font-size: 14px; }

/* ---------- 22. Responsive ---------- */
@media (max-width: 1200px) {
	.gn-grid--4 { grid-template-columns: repeat(3, 1fr); }
	.gn-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 1240px) {
	.gn-nav__list > .gn-nav__item > .gn-nav__link { padding: 0 10px; font-size: 13.5px; letter-spacing: 0; }
	.gn-nav__list > .gn-nav__item > .gn-nav__link::after { left: 10px; right: 10px; }
	.gn-nav__list > .gn-nav__item > .gn-nav__toggle { margin-right: 4px; width: 22px; }
	.gn-header__contacts { gap: 18px; }
}

@media (max-width: 1080px) {
	:root { --header-h: 64px; }
	.gn-header { position: sticky; top: 0; z-index: 900; }
	.gn-header.is-scrolled { box-shadow: var(--shadow-sm); }
	.gn-header__in { min-height: 64px; gap: 12px; }
	.gn-header__contacts, .gn-header__cta, .gn-nav__home { display: none; }
	.gn-header__actions { margin-left: auto; }
	.gn-burger { display: inline-grid; }
	.gn-logo img { height: 42px; }
	.gn-navbar { position: static; height: 0; }
	.gn-backdrop { z-index: 990; }

	.gn-nav {
		position: fixed; top: 0; right: 0; bottom: 0; z-index: 1000; width: min(360px, 88vw);
		display: flex; flex-direction: column; background: #fff; box-shadow: var(--shadow-lg);
		transform: translateX(100%); visibility: hidden; transition: transform .3s var(--ease), visibility .3s;
	}
	.gn-nav.is-open { transform: none; visibility: visible; }
	.gn-nav__head { display: flex; align-items: center; justify-content: space-between; padding: 10px 10px 10px 20px; background: var(--navy-900); }
	.gn-nav__head .gn-icon-btn { color: #fff; }
	.gn-nav__head .gn-icon-btn:hover { background: rgba(255, 255, 255, .1); }
	.gn-nav__title { font-weight: 700; color: #fff; text-transform: uppercase; letter-spacing: .06em; font-size: 14px; }
	.gn-nav__wrap { flex: 1; overflow-y: auto; padding: 6px 12px; display: block; max-width: none; }
	.gn-nav__foot { display: grid; gap: 10px; padding: 16px 20px 24px; border-top: 1px solid var(--line); }
	.gn-nav__list { flex-direction: column; }
	.gn-nav__item, .gn-nav__list > .gn-nav__item { flex-wrap: wrap; justify-content: space-between; border-bottom: 1px solid var(--line); background: none !important; }
	.gn-nav__list > .gn-nav__item + .gn-nav__item::before { display: none; }
	.gn-nav__list > .gn-nav__item > .gn-nav__link { flex: 1; padding: 14px 6px; line-height: 1.4; font-size: 15px; color: var(--navy-900); white-space: normal; }
	.gn-nav__list > .gn-nav__item.is-current > .gn-nav__link, .gn-nav__list > .gn-nav__item:hover > .gn-nav__link { color: var(--primary); }
	.gn-nav__list > .gn-nav__item > .gn-nav__link::after { display: none; }
	.gn-nav__toggle, .gn-nav__list > .gn-nav__item > .gn-nav__toggle, .gn-nav__sub .gn-nav__toggle { width: 44px; height: 44px; margin: 0; border-radius: 8px; color: var(--muted); transform: none; transition: transform .25s; }
	.gn-nav__toggle[aria-expanded=true] { transform: rotate(180deg) !important; color: var(--primary) !important; }
	.gn-nav__sub, .gn-nav__sub .gn-nav__sub, .gn-nav__list > .gn-nav__item:nth-last-child(-n+3) .gn-nav__sub .gn-nav__sub {
		position: static; display: none; flex-basis: 100%; width: auto; min-width: 0; padding: 0 0 8px 12px;
		border: 0; border-radius: 0; box-shadow: none; opacity: 1; visibility: visible; transform: none;
	}
	.gn-nav__sub::before, .gn-nav__sub .gn-nav__sub::before { display: none; }
	.gn-nav__sub .gn-nav__item { border: 0; border-left: 2px solid var(--line); border-radius: 0; }
	.gn-nav__sub .gn-nav__link { padding: 10px 12px; white-space: normal; }
	.gn-nav__sub .gn-nav__item:hover > .gn-nav__link { padding-left: 12px; }
	.gn-nav__item:hover > .gn-nav__sub, .gn-nav__item:focus-within > .gn-nav__sub { display: none; }
	.gn-nav__item.is-open > .gn-nav__sub, .gn-nav__item.is-open:hover > .gn-nav__sub, .gn-nav__item.is-open:focus-within > .gn-nav__sub { display: block; }

	.gn-about, .gn-quote__in, .gn-faq { grid-template-columns: 1fr; }
	.gn-faq .gn-head { position: static; }
	.gn-about__media { max-width: 560px; }
	.gn-layout, .gn-layout--left { grid-template-columns: 1fr; }
	.gn-sidebar { position: static; }
	.gn-layout--left .gn-sidebar { order: 2; }
	.gn-hero__stats { grid-template-columns: repeat(2, 1fr); }
	.gn-hero__stats > div:nth-child(3) { border-left: 0; }
	.gn-hero__stats > div:nth-child(n+3) { border-top: 1px solid rgba(255, 255, 255, .12); }
	.gn-why, .gn-steps { grid-template-columns: repeat(2, 1fr); }
	.gn-prices { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
	body { font-size: 15.5px; }
	.gn-hide-sm { display: none !important; }
	.gn-grid--3, .gn-grid--4 { grid-template-columns: repeat(2, 1fr); }
	.gn-grid--2 { grid-template-columns: 1fr; }
	.gn-cats { grid-template-columns: 1fr 1fr; grid-auto-rows: 220px; }
	.gn-cat--lg { grid-column: span 2; grid-row: span 1; }
	.gn-brands__in { flex-direction: column; gap: 12px; padding-block: 20px; }
	.gn-brands__list { justify-content: center; gap: 12px 24px; }
	.gn-brands__list li { font-size: 15px; }
	.gn-hero { min-height: auto; }
	.gn-hero::before { background: linear-gradient(180deg, rgba(6, 22, 42, .75) 0%, rgba(6, 22, 42, .95) 100%); }
	.gn-hero__btns .gn-btn { flex: 1 1 100%; }
	.gn-hero__stats > div { padding: 16px 18px; }
	.gn-why, .gn-steps, .gn-prices { grid-template-columns: 1fr; }
	.gn-filter { flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; margin-inline: calc(var(--gutter) * -1); padding-inline: var(--gutter); scrollbar-width: none; }
	.gn-filter button { white-space: nowrap; }
	.gn-ctabox__btns, .gn-ctabox__btns .gn-btn { width: 100%; }
	.gn-about__media { padding: 0 0 20px 20px; }
	.gn-about__badge { right: 8px; bottom: 40px; padding: 14px 16px; }
	.gn-about__badge strong { font-size: 30px; }
	.gn-postnav { grid-template-columns: 1fr; }
	.gn-postnav__item--next { grid-column: auto; }
	.gn-footer__grid { grid-template-columns: 1fr; gap: 32px; padding-block: 48px 32px; }
	.gn-footer__cta-btns, .gn-footer__cta-btns .gn-btn { width: 100%; }
	.gn-footer__bottom-in { justify-content: center; text-align: center; }
	.gn-prose { font-size: 16px; }
	.gn-prose .alignleft, .gn-prose .alignright { float: none; margin: 0 auto 1em; }

}

@media (max-width: 480px) {
	.gn-grid--3, .gn-grid--4 { grid-template-columns: 1fr 1fr; gap: 12px; }
	.gn-cats { grid-template-columns: 1fr; }
	.gn-cat--lg { grid-column: auto; }
	.gn-search__form { padding-left: 14px; }
	.gn-search__form .gn-btn { padding-inline: 16px; }
	.gn-hero__stats dd { font-size: 22px; }
	.gn-hero__stats dt { font-size: 12.5px; }
	.gn-float__btn { width: 50px; height: 50px; }
}

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
	.gn-reveal { opacity: 1; transform: none; }
}

@media print {
	.gn-header, .gn-navbar, .gn-footer, .gn-float, .gn-totop, .gn-sidebar, .gn-share { display: none !important; }
}

/* Nội dung mô tả chuyên mục (hiển thị dưới danh sách bài) */
.gn-catdesc { margin-top: 48px; padding-top: 40px; border-top: 1px solid var(--line); }
.gn-catdesc__title { margin-bottom: 20px; }