/* ==========================================================================
   Nghĩa Hiệp Đạt Nguyễn — Main Stylesheet
   Brand: #024bb2 | Luxury gold | Vietnamese cultural motifs
   ========================================================================== */

/* Table of Contents
   1. Design tokens
   2. Reset & base
   3. Typography
   4. Layout — header, nav, panels
   5. Components — buttons, cards, hero
   6. Sections
   7. Utilities & responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
@font-face {
	font-family: 'NHBT';
	src: url('../assets/fonts/nhbt-font.woff2') format('woff2');
	font-display: swap;
}

:root {
	/* Brand — chủ đạo #024bb2 */
	--color-brand: #024bb2;
	--color-brand-dark: #013a8f;
	--color-brand-deep: #012659;
	--color-brand-light: #1a62c9;
	--color-brand-glow: rgba(2, 75, 178, 0.45);

	/* Legacy aliases */
	--color-primary: var(--color-brand);
	--color-blue: var(--color-brand);
	--color-blue-dark: var(--color-brand-dark);
	--color-blue-light: var(--color-brand-light);

	/* Luxury gold */
	--color-gold: #d4b454;
	--color-gold-light: #f5e6b8;
	--color-gold-deep: #a88b2e;
	--color-gold-muted: rgba(212, 180, 84, 0.4);
	--color-gold-shine: linear-gradient(135deg, #f5e6b8 0%, #d4b454 40%, #f0dfa0 60%, #c9a03a 100%);

	--color-white: #ffffff;
	--color-cream: #faf6ee;
	--color-text: rgba(255, 255, 255, 0.94);
	--color-text-muted: rgba(255, 255, 255, 0.68);

	--font-display: 'NHBT', 'Playfair Display', 'Cormorant Garamond', Georgia, serif;
	--font-body: 'Source Sans 3', system-ui, sans-serif;
	--font-art: 'Playfair Display', 'Cormorant Garamond', Georgia, serif;

	--header-h: 80px;
	--section-nav-w: 148px;
	--max-width: 1240px;
	--ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
	--ease-luxury: cubic-bezier(0.16, 1, 0.3, 1);
	--shadow-soft: 0 28px 80px rgba(1, 38, 89, 0.55);
	--shadow-luxury: 0 8px 32px rgba(0, 0, 0, 0.25), 0 0 0 1px var(--color-gold-muted), inset 0 1px 0 rgba(255, 255, 255, 0.06);
	--shadow-gold-glow: 0 0 40px rgba(212, 180, 84, 0.15);
}

/* --------------------------------------------------------------------------
   2. Reset & base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	/* Native wheel scroll — smooth only for anchor clicks in JS */
	scroll-behavior: auto;
	-webkit-text-size-adjust: 100%;
}

[data-panel] {
	scroll-margin-top: var(--header-h);
}

body {
	margin: 0;
	font-family: var(--font-body);
	font-size: 1rem;
	font-weight: 400;
	line-height: 1.7;
	color: var(--color-text);
	background: var(--color-brand-deep);
	overflow-x: hidden;
	touch-action: pan-y;
}

img {
	max-width: 100%;
	height: auto;
	display: block;
}

a {
	color: var(--color-gold-light);
	text-decoration: none;
	transition: color 0.25s var(--ease);
}

a:hover {
	color: var(--color-gold);
}

a:focus-visible,
button:focus-visible {
	outline: 2px solid var(--color-gold);
	outline-offset: 3px;
}

ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

.skip-link {
	position: absolute;
	top: -100%;
	left: 1rem;
	z-index: 9999;
	padding: 0.75rem 1.25rem;
	background: var(--color-gold);
	color: var(--color-blue-dark);
	font-weight: 600;
	border-radius: 0 0 4px 4px;
}

.skip-link:focus {
	top: 0;
}

/* --------------------------------------------------------------------------
   Brand watermark & luxury typography
   -------------------------------------------------------------------------- */
.brand-watermark {
	position: fixed;
	inset: 0;
	z-index: 0;
	opacity: 0.85;
	pointer-events: none;
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
}

.brand-watermark__dongson {
	width: min(70vw, 520px);
	height: auto;
	color: var(--color-gold);
	opacity: 0.04;
	animation: dongson-spin 120s linear infinite;
}

@keyframes dongson-spin {
	to {
		transform: rotate(360deg);
	}
}

@media (prefers-reduced-motion: reduce) {
	.brand-watermark__dongson {
		animation: none;
	}
}

/* Hoa văn trống Đông Sơn — lớp nền panel */
.panel__bg--dongson::before {
	content: '';
	position: absolute;
	inset: -20%;
	background-image: url('../assets/svg/dongson-pattern.svg');
	background-repeat: repeat;
	background-size: 260px 260px;
	opacity: 0.09;
	color: var(--color-gold);
	pointer-events: none;
}

.panel__bg--dongson::after {
	content: '';
	position: absolute;
	right: -8%;
	top: 50%;
	transform: translateY(-50%);
	width: min(45vw, 420px);
	height: min(45vw, 420px);
	background: url('../assets/svg/dongson-pattern.svg') center / contain no-repeat;
	opacity: 0.12;
	color: var(--color-gold);
	pointer-events: none;
}

.panel--about .panel__bg--clouds::before,
.panel--prestige .panel__bg--culture::before {
	content: '';
	position: absolute;
	inset: 0;
	background-image: url('../assets/svg/dongson-pattern.svg');
	background-repeat: repeat;
	background-size: 220px 220px;
	opacity: 0.05;
	pointer-events: none;
}

/* Solid gold + room for tone marks (NHBT) — avoid background-clip:text */
.text-gold-shine {
	color: #e8d49a;
	background: none;
	-webkit-text-fill-color: currentColor;
	line-height: 1.35;
	padding-top: 0.1em;
	overflow: visible;
	text-shadow:
		0 1px 0 rgba(255, 255, 255, 0.18),
		0 2px 18px rgba(212, 180, 84, 0.32);
	text-rendering: optimizeLegibility;
	-webkit-font-smoothing: antialiased;
}

.vn-divider {
	position: relative;
	display: inline-block;
}

.vn-divider::before,
.vn-divider::after {
	content: '◆';
	font-size: 0.45em;
	color: var(--color-gold);
	opacity: 0.7;
	margin: 0 0.65em;
	vertical-align: middle;
}

.vn-divider--before::before {
	content: none;
}

.section-head__ornament {
	margin: 0.75rem 0 0;
	color: var(--color-gold);
	opacity: 0.85;
}

.section-head__dongson {
	margin: 0 auto;
	display: block;
	opacity: 0.75;
	filter: drop-shadow(0 0 14px rgba(212, 180, 84, 0.4));
}

/* --------------------------------------------------------------------------
   3. Typography
   -------------------------------------------------------------------------- */
.eyebrow,
.section-head__eyebrow {
	font-family: var(--font-body);
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--color-gold);
}

.hero__title-main,
.section-head__title {
	font-family: var(--font-display);
	font-weight: 500;
	line-height: 1.35;
	padding-top: 0.08em;
	color: var(--color-gold-light);
	overflow: visible;
}

.hero__title-main {
	font-size: clamp(2rem, 5vw, 3.25rem);
	letter-spacing: 0.04em;
}

.section-head__title {
	font-size: clamp(1.75rem, 3.5vw, 2.5rem);
	margin: 0.5rem 0 0;
}

.section-head__rule {
	width: 64px;
	height: 1px;
	background: linear-gradient(90deg, var(--color-gold), transparent);
	margin-top: 1.25rem;
}

.section-head--center {
	text-align: center;
	width: 100%;
}

.section-head--center .section-head__eyebrow {
	display: inline-block;
}

.section-head--center .section-head__rule {
	margin-left: auto;
	margin-right: auto;
}

.section-head__desc {
	max-width: 36rem;
	margin: 1rem auto 0;
	color: var(--color-text-muted);
	font-size: 1.05rem;
}

/* --------------------------------------------------------------------------
   4. Header
   -------------------------------------------------------------------------- */
.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 100;
	height: var(--header-h);
	background: #024bb2;
	border-bottom: 1px solid var(--color-gold-muted);
	box-shadow: 0 1px 0 rgba(245, 230, 184, 0.08);
	transition: box-shadow 0.4s var(--ease-luxury);
}

.site-header.is-scrolled {
	background: #024bb2;
	box-shadow: var(--shadow-soft), var(--shadow-gold-glow);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 0 1.5rem;
	height: 100%;
	gap: 1.5rem;
}

.brand {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	color: var(--color-gold-light);
}

.brand:hover {
	color: var(--color-gold);
}

.brand__logo {
	width: 44px;
	height: 44px;
	object-fit: contain;
}

.brand__text {
	display: flex;
	flex-direction: column;
	line-height: 1.2;
}

.brand__name {
	font-family: var(--font-display);
	font-size: 1.1rem;
	letter-spacing: 0.08em;
}

.brand__sub {
	font-size: 0.7rem;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	color: var(--color-text-muted);
}

.brand__since {
	font-size: 0.6rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--color-gold);
	margin-top: 0.15rem;
}

.nav-desktop__list {
	display: flex;
	gap: 0.25rem;
}

.nav-desktop__list a {
	padding: 0.5rem 0.85rem;
	font-size: 0.8rem;
	font-weight: 500;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--color-text-muted);
	border-radius: 2px;
}

.nav-desktop__list a:hover,
.nav-desktop__list a.is-active {
	color: var(--color-gold);
	background: rgba(201, 169, 98, 0.08);
}

.header-cta {
	display: none;
	padding: 0.55rem 1.15rem;
	font-size: 0.8rem;
	font-weight: 600;
	letter-spacing: 0.06em;
	color: var(--color-brand-deep);
	background: var(--color-gold-shine);
	border: 1px solid var(--color-gold-light);
	border-radius: 2px;
	white-space: nowrap;
	box-shadow: var(--shadow-gold-glow);
	transition: transform 0.3s var(--ease-luxury), box-shadow 0.3s var(--ease-luxury);
}

.header-cta:hover {
	transform: translateY(-1px);
	box-shadow: 0 4px 24px rgba(212, 180, 84, 0.35);
	color: var(--color-brand-deep);
}

.nav-toggle {
	display: flex;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 44px;
	height: 44px;
	padding: 0;
	background: transparent;
	border: 1px solid var(--color-gold-muted);
	border-radius: 2px;
	cursor: pointer;
}

.nav-toggle__bar {
	display: block;
	width: 20px;
	height: 2px;
	margin: 0 auto;
	background: var(--color-gold);
	transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.nav-toggle[aria-expanded='true'] .nav-toggle__bar:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded='true'] .nav-toggle__bar:nth-child(2) {
	opacity: 0;
}

.nav-toggle[aria-expanded='true'] .nav-toggle__bar:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile {
	position: fixed;
	top: var(--header-h);
	left: 0;
	right: 0;
	background: #024bb2;
	border-bottom: 1px solid var(--color-gold-muted);
	padding: 1rem 0;
}

.nav-mobile__list a {
	display: block;
	padding: 0.85rem 1.5rem;
	font-size: 0.95rem;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--color-text);
	border-left: 3px solid transparent;
}

.nav-mobile__list a:hover {
	border-left-color: var(--color-gold);
	background: rgba(201, 169, 98, 0.06);
}

/* Section side nav */
.section-nav {
	position: fixed;
	left: 1.25rem;
	top: 50%;
	transform: translateY(-50%);
	z-index: 50;
	display: none;
	pointer-events: none;
}

.section-nav__list {
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
	pointer-events: auto;
}

.section-nav__list a {
	display: flex;
	align-items: center;
	gap: 0.65rem;
	color: var(--color-text-muted);
	font-size: 0.65rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	transition: color 0.25s var(--ease);
}

.section-nav__list a:hover,
.section-nav__list a.is-active {
	color: var(--color-gold);
}

.section-nav__dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	border: 2px solid currentColor;
	flex-shrink: 0;
	transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.section-nav__list a.is-active .section-nav__dot {
	background: var(--color-gold);
	border-color: var(--color-gold);
	transform: scale(1.2);
}

.section-nav__label {
	opacity: 0;
	transform: translateX(-4px);
	transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}

.section-nav:hover .section-nav__label,
.section-nav__list a.is-active .section-nav__label {
	opacity: 1;
	transform: translateX(0);
}

/* --------------------------------------------------------------------------
   5. Panels (full-height sections)
   -------------------------------------------------------------------------- */
#main {
	position: relative;
	z-index: 1;
	touch-action: pan-y;
}

.panel {
	position: relative;
	z-index: 1;
	box-sizing: border-box;
	display: block;
	padding: calc(var(--header-h) + 1.5rem) 1.5rem clamp(2.5rem, 5vh, 3.5rem);
}

.panel__bg {
	position: absolute;
	inset: 0;
	pointer-events: none;
}

/* Vietnamese cultural backgrounds */
.panel__bg--culture {
	background:
		radial-gradient(ellipse 70% 50% at 85% 20%, rgba(212, 180, 84, 0.08), transparent 50%),
		radial-gradient(ellipse 60% 40% at 5% 80%, var(--color-brand-glow), transparent 55%),
		url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cpath fill='%23d4b454' fill-opacity='0.05' d='M40 10c-6 10-18 12-18 24s12 20 18 30c6-10 18-12 18-24S46 20 40 10z'/%3E%3C/svg%3E"),
		linear-gradient(160deg, var(--color-brand) 0%, var(--color-brand-dark) 45%, var(--color-brand-deep) 100%);
}

.panel__bg--clouds {
	background:
		url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='80' viewBox='0 0 200 80'%3E%3Cpath fill='none' stroke='%23d4b454' stroke-opacity='0.06' stroke-width='1' d='M0 40 Q50 10 100 40 T200 40'/%3E%3Cpath fill='none' stroke='%23d4b454' stroke-opacity='0.04' stroke-width='1' d='M0 55 Q60 25 120 55 T200 55'/%3E%3C/svg%3E"),
		linear-gradient(180deg, var(--color-brand-dark) 0%, var(--color-brand-deep) 100%);
}

.panel__inner {
	position: relative;
	width: 100%;
	max-width: var(--max-width);
	margin: 0 auto;
}

.panel--hero {
	background: linear-gradient(155deg, var(--color-brand) 0%, var(--color-brand-dark) 50%, var(--color-brand-deep) 100%);
}

.panel--about {
	background: var(--color-brand-dark);
}

.panel--prestige {
	background: var(--color-brand);
}

.panel--awards {
	background: linear-gradient(180deg, var(--color-brand-dark) 0%, var(--color-brand-deep) 100%);
}

.panel--commitment {
	background: var(--color-brand);
}

.panel--catalogue {
	background: var(--color-brand-dark);
}

.panel--contact {
	background: linear-gradient(180deg, var(--color-brand-deep) 0%, #011a42 100%);
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.panel__inner--hero {
	display: grid;
	grid-template-columns: 1fr;
	gap: 2.5rem;
	align-items: center;
}

.brand-ribbon {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.4rem 1rem;
	margin-bottom: 1.25rem;
	font-size: 0.68rem;
	font-weight: 600;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--color-gold-light);
	background: rgba(1, 38, 143, 0.5);
	border: 1px solid var(--color-gold-muted);
	border-radius: 2px;
}

.brand-ribbon__icon {
	color: var(--color-gold);
	opacity: 0.9;
}

.hero__tagline {
	font-family: var(--font-display);
	font-size: clamp(1rem, 2vw, 1.35rem);
	letter-spacing: 0.28em;
	text-transform: uppercase;
	color: var(--color-white);
	margin: 0.75rem 0 0;
}

.hero__motto {
	font-family: var(--font-art);
	font-size: clamp(1rem, 1.9vw, 1.2rem);
	font-style: italic;
	font-weight: 400;
	letter-spacing: 0.12em;
	color: var(--color-gold-light);
	margin: 0.5rem 0 0;
	opacity: 0.95;
}

.hero__lead {
	max-width: 28rem;
	color: var(--color-text-muted);
	font-size: 1.05rem;
	margin: 1.25rem 0 0;
}

.hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	margin-top: 2rem;
}

.hero__visual {
	margin: 0;
	text-align: center;
}

/* Luxury frame — góc hoa văn Việt */
.frame-luxury {
	position: relative;
	display: inline-block;
	padding: 6px;
	background: linear-gradient(145deg, var(--color-gold-light), var(--color-gold-deep));
	box-shadow: var(--shadow-soft), var(--shadow-gold-glow);
}

.frame-luxury img {
	position: relative;
	z-index: 1;
	width: 100%;
	display: block;
	object-fit: cover;
	filter: saturate(0.95) contrast(1.03);
}

.frame-luxury__corner {
	position: absolute;
	width: 28px;
	height: 28px;
	z-index: 2;
	border-color: var(--color-gold-light);
	border-style: solid;
	pointer-events: none;
}

.frame-luxury__corner--tl {
	top: 10px;
	left: 10px;
	border-width: 2px 0 0 2px;
}

.frame-luxury__corner--tr {
	top: 10px;
	right: 10px;
	border-width: 2px 2px 0 0;
}

.frame-luxury__corner--bl {
	bottom: 10px;
	left: 10px;
	border-width: 0 0 2px 2px;
}

.frame-luxury__corner--br {
	bottom: 10px;
	right: 10px;
	border-width: 0 2px 2px 0;
}

.hero__visual .frame-luxury img {
	width: min(100%, 440px);
	max-height: 560px;
}

.hero__caption,
.art-frame .hero__caption {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	margin-top: 1.25rem;
	font-size: 0.78rem;
	color: var(--color-text-muted);
	letter-spacing: 0.12em;
	text-transform: uppercase;
	font-style: normal;
}

.hero__caption img {
	opacity: 0.7;
	color: var(--color-gold);
}

.scroll-hint {
	position: absolute;
	bottom: 2.5rem;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.5rem;
	color: var(--color-text-muted);
	font-size: 0.7rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	z-index: 5;
	pointer-events: auto;
}

.scroll-hint__line {
	width: 1px;
	height: 40px;
	background: linear-gradient(180deg, var(--color-gold), transparent);
	animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
	0%, 100% { opacity: 0.4; transform: scaleY(0.6); }
	50% { opacity: 1; transform: scaleY(1); }
}

@media (prefers-reduced-motion: reduce) {
	.scroll-hint__line {
		animation: none;
	}
}

/* --------------------------------------------------------------------------
   7. Buttons
   -------------------------------------------------------------------------- */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.85rem 1.75rem;
	font-family: var(--font-body);
	font-size: 0.8rem;
	font-weight: 600;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	border-radius: 2px;
	border: 1px solid transparent;
	cursor: pointer;
	transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn--gold {
	background: var(--color-gold-shine);
	color: var(--color-brand-deep);
	border-color: var(--color-gold-light);
	box-shadow: var(--shadow-gold-glow);
}

.btn--gold:hover {
	filter: brightness(1.08);
	transform: translateY(-2px);
	box-shadow: 0 8px 28px rgba(212, 180, 84, 0.4);
	color: var(--color-brand-deep);
}

.btn--outline {
	background: transparent;
	color: var(--color-gold-light);
	border-color: var(--color-gold-muted);
}

.btn--outline:hover {
	border-color: var(--color-gold);
	color: var(--color-gold);
}

/* --------------------------------------------------------------------------
   8. About & stats
   -------------------------------------------------------------------------- */
.about-grid {
	display: grid;
	gap: 2.5rem;
	margin-top: 2rem;
	width: 100%;
	max-width: var(--max-width);
	margin-left: auto;
	margin-right: auto;
}

.about-grid__text p {
	margin: 0 0 1rem;
	color: var(--color-text-muted);
	font-size: 1.05rem;
}

.about-grid__text strong {
	color: var(--color-gold-light);
	font-weight: 600;
}

.stats {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1px;
	background: var(--color-gold-muted);
	border: 1px solid var(--color-gold-muted);
	border-radius: 4px;
	overflow: hidden;
}

.stat {
	padding: 1.75rem 1rem;
	text-align: center;
	background: linear-gradient(180deg, rgba(2, 75, 178, 0.35) 0%, rgba(1, 38, 143, 0.55) 100%);
	transition: border-color 0.35s var(--ease-luxury), box-shadow 0.35s var(--ease-luxury);
}

.stat:hover {
	box-shadow: var(--shadow-gold-glow);
}

.stat__value {
	display: block;
	font-family: var(--font-display);
	font-size: 1.5rem;
	color: var(--color-gold);
	margin-bottom: 0.35rem;
}

.stat__label {
	font-size: 0.75rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   9. Split layout (uy tín)
   -------------------------------------------------------------------------- */
.panel__inner--split {
	display: grid;
	gap: 2.5rem;
	align-items: center;
}

.split__media {
	margin: 0;
	position: relative;
}

.split__media.frame-luxury {
	display: block;
}

.split__media img {
	width: 100%;
	max-height: 520px;
	object-fit: cover;
}

.split__content p {
	color: var(--color-text-muted);
	margin: 0 0 1rem;
}

.split__content strong {
	color: var(--color-gold-light);
}

/* --------------------------------------------------------------------------
   10. Awards gallery
   -------------------------------------------------------------------------- */
.awards-gallery {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.5rem;
	margin-top: 2.5rem;
	width: 100%;
	max-width: 920px;
	margin-left: auto;
	margin-right: auto;
	justify-items: center;
}

.award-card {
	margin: 0;
	border: 1px solid var(--color-gold-muted);
	border-radius: 4px;
	overflow: hidden;
	background: rgba(0, 0, 0, 0.2);
	transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.award-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-soft);
}

.award-card img {
	width: 100%;
	object-fit: contain;
}

/* --------------------------------------------------------------------------
   11. Commitment cards
   -------------------------------------------------------------------------- */
.commitment-list {
	display: grid;
	gap: 1.25rem;
	margin-top: 2.5rem;
	width: 100%;
	max-width: var(--max-width);
	margin-left: auto;
	margin-right: auto;
}

.commitment-card {
	padding: 2.25rem 2rem;
	background: linear-gradient(165deg, rgba(2, 75, 178, 0.25) 0%, rgba(1, 38, 143, 0.5) 100%);
	border: 1px solid var(--color-gold-muted);
	border-radius: 2px;
	box-shadow: var(--shadow-luxury);
	transition: border-color 0.4s var(--ease-luxury), box-shadow 0.4s var(--ease-luxury), transform 0.4s var(--ease-luxury);
}

.commitment-card:hover {
	border-color: var(--color-gold);
	box-shadow: var(--shadow-soft), var(--shadow-gold-glow);
	transform: translateY(-4px);
}

.commitment-card__icon {
	display: block;
	width: 32px;
	height: 32px;
	color: var(--color-gold);
	margin-bottom: 1rem;
}

.commitment-card h3 {
	font-family: var(--font-display);
	font-size: 1.35rem;
	font-weight: 500;
	color: var(--color-gold-light);
	margin: 0 0 0.75rem;
}

.commitment-card p {
	margin: 0;
	color: var(--color-text-muted);
	font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   12. Catalogue
   -------------------------------------------------------------------------- */
.catalogue-card {
	display: grid;
	gap: 2rem;
	align-items: center;
	padding: 2.5rem;
	background: linear-gradient(145deg, rgba(2, 75, 178, 0.2) 0%, rgba(1, 38, 143, 0.45) 100%);
	border: 1px solid var(--color-gold-muted);
	border-radius: 2px;
	box-shadow: var(--shadow-luxury);
}

.catalogue-card__cover {
	margin: 0;
	border-radius: 4px;
	overflow: hidden;
	box-shadow: var(--shadow-soft);
}

.catalogue-card__body p {
	color: var(--color-text-muted);
	margin: 0 0 1.5rem;
}

/* --------------------------------------------------------------------------
   13. Contact
   -------------------------------------------------------------------------- */
.contact-grid {
	display: grid;
	gap: 1.25rem;
	width: 100%;
	max-width: 920px;
	margin-left: auto;
	margin-right: auto;
}

.contact-item {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	min-height: 140px;
	padding: 2rem 1.5rem;
	background: linear-gradient(180deg, rgba(2, 75, 178, 0.3) 0%, rgba(1, 38, 143, 0.55) 100%);
	border: 1px solid var(--color-gold-muted);
	border-radius: 2px;
	text-align: center;
	color: inherit;
	box-shadow: var(--shadow-luxury);
	transition: border-color 0.4s var(--ease-luxury), background 0.4s var(--ease-luxury), transform 0.4s var(--ease-luxury), box-shadow 0.4s var(--ease-luxury);
}

.contact-item:hover {
	border-color: var(--color-gold);
	background: rgba(212, 180, 84, 0.1);
	color: var(--color-gold-light);
	transform: translateY(-3px);
	box-shadow: var(--shadow-gold-glow);
}

.contact-item__label {
	font-size: 0.7rem;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	color: var(--color-gold);
	margin-bottom: 0.35rem;
}

.contact-item__value {
	font-family: var(--font-display);
	font-size: 1.5rem;
	color: var(--color-white);
}

.contact-item__note {
	font-size: 0.85rem;
	color: var(--color-text-muted);
	margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   14. Footer & FAB
   -------------------------------------------------------------------------- */
.site-footer {
	position: relative;
	z-index: 1;
	padding: 2.5rem 1.5rem 2rem;
	text-align: center;
	font-size: 0.8rem;
	color: var(--color-text-muted);
	background: #011a42;
	border-top: 1px solid var(--color-gold-muted);
	position: relative;
	z-index: 1;
}

.site-footer__brand {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 1rem;
	margin-bottom: 1rem;
}

.site-footer__logo {
	width: 44px;
	height: 44px;
	object-fit: contain;
	flex-shrink: 0;
}

.site-footer__name {
	font-family: var(--font-display);
	font-size: 1.25rem;
	color: var(--color-gold-light);
	margin: 0 0 0.2rem;
	letter-spacing: 0.06em;
}

.site-footer__tagline {
	margin: 0;
	font-size: 0.75rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.site-footer__motto {
	font-family: var(--font-display);
	font-style: italic;
	font-size: 0.95rem;
	color: var(--color-gold);
	margin: 0 0 1rem;
	letter-spacing: 0.08em;
}

.site-footer__copy {
	margin: 0;
}

.site-footer strong {
	color: var(--color-gold-light);
	font-weight: 500;
}

.fab {
	position: fixed;
	right: 1.25rem;
	bottom: 1.25rem;
	z-index: 90;
	display: flex;
	flex-direction: column;
	gap: 0.65rem;
}

.fab__btn {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 52px;
	height: 52px;
	border-radius: 50%;
	box-shadow: var(--shadow-soft);
	transition: transform 0.25s var(--ease);
}

.fab__btn:hover {
	transform: scale(1.06);
}

.fab__btn svg {
	width: 22px;
	height: 22px;
}

.fab__btn--phone {
	background: linear-gradient(145deg, var(--color-brand), var(--color-brand-dark));
	color: var(--color-gold);
	border: 1px solid var(--color-gold-muted);
	box-shadow: var(--shadow-luxury);
}

.fab__btn--zalo {
	background: #0068ff;
	color: var(--color-white);
	font-size: 0.7rem;
	font-weight: 700;
	letter-spacing: 0.02em;
}

.fab__zalo-text {
	font-family: var(--font-body);
}

/* --------------------------------------------------------------------------
   15. Reveal animation
   -------------------------------------------------------------------------- */
.reveal {
	opacity: 0;
	transform: translateY(24px);
	transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
	opacity: 1;
	transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
	.reveal {
		opacity: 1;
		transform: none;
		transition: none;
	}
}

/* --------------------------------------------------------------------------
   16. Responsive
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
	.nav-toggle {
		display: none;
	}

	.nav-desktop {
		display: block;
	}

	.header-cta {
		display: inline-flex;
	}

	.section-nav {
		display: block;
	}

	.panel {
		min-height: 100svh;
		min-height: 100dvh;
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
		padding-left: calc(var(--section-nav-w) + 1rem);
		padding-right: calc(var(--section-nav-w) + 1rem);
	}

	.panel__inner {
		flex: 0 0 auto;
		width: 100%;
	}

	.panel__inner--hero {
		grid-template-columns: 1fr 1fr;
		gap: 3rem;
	}

	.hero__content {
		order: 1;
	}

	.hero__visual {
		order: 2;
	}

	.about-grid {
		grid-template-columns: 1.2fr 1fr;
		align-items: start;
	}

	.panel__inner--split {
		grid-template-columns: 1fr 1fr;
	}

	.awards-gallery {
		grid-template-columns: 1fr 1fr;
	}

	.commitment-list {
		grid-template-columns: repeat(3, 1fr);
	}

	.catalogue-card {
		grid-template-columns: 1fr 1.1fr;
	}

	.contact-grid {
		grid-template-columns: repeat(3, 1fr);
	}
}

@media (min-width: 1024px) {
	.panel {
		padding-left: calc(var(--section-nav-w) + 2rem);
		padding-right: calc(var(--section-nav-w) + 2rem);
	}

	.hero__visual .frame-luxury img {
		width: 100%;
		max-width: 500px;
	}
}

@media (max-width: 767px) {
	.nav-desktop {
		display: none;
	}

	.section-nav {
		display: none !important;
	}

	.panel {
		padding: calc(var(--header-h) + 1rem) 1rem 1.75rem;
	}

	.stats {
		grid-template-columns: 1fr;
	}

	.hero__actions {
		flex-direction: column;
	}

	.hero__actions .btn {
		width: 100%;
	}
}