/* =============================================
   379 TDK – Premium Home Equipment
   Design: Luxury Corporate – Dark Navy + Gold
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500;600;700&family=DM+Sans:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,700;1,400&display=swap');

/* ── TOKENS ── */
:root {
  --primary: #0f4c81;
  --primary-dark: #0a3460;
  --primary-light: #1a6db5;
  --gold: #c9a227;
  --gold-light: #e8c04a;
  --dark: #0d1b2a;
  --dark-2: #1a2d40;
  --mid: #2c4a6e;
  --text: #1a2d40;
  --text-muted: #5a7a96;
  --text-light: #8aaabe;
  --bg: #f7f9fc;
  --bg-2: #eef3f8;
  --white: #ffffff;
  --border: #d0dce8;
  --shadow-sm: 0 2px 8px rgba(15,76,129,.08);
  --shadow: 0 8px 32px rgba(15,76,129,.12);
  --shadow-lg: 0 20px 60px rgba(15,76,129,.18);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all .3s cubic-bezier(.4,0,.2,1);
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'DM Sans', sans-serif;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--text); background: var(--bg); line-height: 1.6; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
input, select, textarea, button { font-family: inherit; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.icon-xs { width: 14px; height: 14px; }
.icon-sm { width: 16px; height: 16px; flex-shrink: 0; }

/* ── TOPBAR ── */
.topbar {
  background: var(--primary-dark);
  color: rgba(255,255,255,.85);
  font-size: 13px;
  padding: 8px 0;
}
.topbar-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.topbar-promo { display: flex; align-items: center; gap: 6px; color: var(--gold-light); font-weight: 500; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar-link { display: flex; align-items: center; gap: 5px; color: rgba(255,255,255,.8); transition: var(--transition); }
.topbar-link:hover { color: var(--gold-light); }
.lang-btn {
  background: var(--gold); color: var(--dark); border: none; cursor: pointer;
  padding: 2px 10px; border-radius: 4px; font-size: 11px; font-weight: 700;
  letter-spacing: .5px; transition: var(--transition);
}
.lang-btn:hover { background: var(--gold-light); }

/* ── HEADER ── */
.header {
  position: sticky; top: 0; z-index: 200;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; gap: 24px;
  padding-top: 14px; padding-bottom: 14px;
}

/* Logo */
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-mark {
  width: 48px; height: 48px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(15,76,129,.3);
}
.logo-mark span { color: var(--gold); font-family: var(--font-display); font-size: 18px; font-weight: 700; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name { font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--primary); }
.logo-sub { font-size: 10px; color: var(--text-muted); letter-spacing: 1px; text-transform: uppercase; }

/* Search */
.search-wrap { flex: 1; max-width: 560px; }
.search-box { display: flex; border: 1.5px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(15,76,129,.1); }
.search-cat {
  background: var(--bg-2); border: none; border-right: 1.5px solid var(--border);
  padding: 0 12px; font-size: 13px; color: var(--text-muted); cursor: pointer; outline: none;
  min-width: 110px;
}
.search-input { flex: 1; border: none; padding: 11px 14px; font-size: 14px; color: var(--text); outline: none; background: white; }
.search-input::placeholder { color: var(--text-light); }
.search-btn {
  background: var(--primary); border: none; padding: 0 18px; color: white; cursor: pointer;
  display: flex; align-items: center; justify-content: center; transition: var(--transition);
}
.search-btn:hover { background: var(--primary-dark); }
.search-btn svg { width: 18px; height: 18px; }

/* Header Actions */
.header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.action-btn {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--bg-2); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text); transition: var(--transition);
  position: relative;
}
.action-btn:hover { background: var(--primary); color: white; border-color: var(--primary); transform: translateY(-1px); }
.action-btn svg { width: 18px; height: 18px; }
.zalo-btn { font-weight: 900; font-size: 16px; color: #0068ff; }
.zalo-btn:hover { color: white; }
.zalo-icon { font-weight: 900; font-size: 16px; }
.cart-badge {
  position: absolute; top: -5px; right: -5px;
  background: var(--gold); color: var(--dark);
  font-size: 10px; font-weight: 700;
  width: 18px; height: 18px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.menu-toggle { display: none; }

/* NAV */
.nav { background: var(--primary); }
.nav-inner { display: flex; align-items: center; gap: 0; }

.cat-dropdown { position: relative; }
.cat-toggle {
  display: flex; align-items: center; gap: 8px;
  background: var(--primary-dark); color: white;
  border: none; padding: 14px 20px; cursor: pointer;
  font-size: 14px; font-weight: 500;
  transition: var(--transition); white-space: nowrap;
}
.cat-toggle:hover { background: var(--dark); }
.cat-toggle svg { width: 16px; height: 16px; }
.cat-menu {
  position: absolute; top: 100%; left: 0; z-index: 300;
  background: white; min-width: 240px;
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(-10px);
  transition: var(--transition);
}
.cat-dropdown:hover .cat-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.cat-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px; font-size: 14px; color: var(--text);
  transition: var(--transition); border-bottom: 1px solid var(--bg-2);
}
.cat-item:last-child { border-bottom: none; }
.cat-item:hover { background: var(--bg-2); color: var(--primary); padding-left: 28px; }
.cat-item svg { width: 16px; height: 16px; color: var(--primary-light); }

.nav-links { display: flex; align-items: center; padding-left: 8px; }
.nav-link {
  display: block; padding: 14px 18px; color: rgba(255,255,255,.85);
  font-size: 14px; font-weight: 500; transition: var(--transition);
  position: relative;
}
.nav-link::after {
  content: ''; position: absolute; bottom: 0; left: 18px; right: 18px;
  height: 2px; background: var(--gold); transform: scaleX(0); transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color: white; }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link-special { color: var(--gold-light) !important; }

/* ── HERO ── */
.hero {
  position: relative; overflow: hidden;
  min-height: 600px;
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 50%, var(--primary) 100%);
}
.hero-bg { position: absolute; inset: 0; }
.hero-gradient {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(26,109,181,.4) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(201,162,39,.15) 0%, transparent 50%);
}
.hero-pattern {
  position: absolute; inset: 0; opacity: .04;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr; align-items: center;
  gap: 60px; padding: 80px 24px;
  max-width: 1280px; margin: 0 auto;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(201,162,39,.2); border: 1px solid rgba(201,162,39,.4);
  color: var(--gold-light); border-radius: 40px;
  padding: 6px 16px; font-size: 13px; font-weight: 500;
  margin-bottom: 20px;
}
.hero-badge svg { width: 14px; height: 14px; }
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 60px); font-weight: 600;
  color: white; line-height: 1.15; margin-bottom: 20px;
}
.hero-title em { color: var(--gold-light); font-style: italic; }
.hero-desc { color: rgba(255,255,255,.7); font-size: 16px; line-height: 1.7; margin-bottom: 32px; max-width: 480px; }
.hero-ctas { display: flex; gap: 16px; margin-bottom: 48px; flex-wrap: wrap; }
.hero-stats { display: flex; align-items: center; gap: 24px; }
.stat { display: flex; flex-direction: column; }
.stat strong { font-family: var(--font-display); font-size: 28px; font-weight: 700; color: var(--gold-light); }
.stat span { font-size: 12px; color: rgba(255,255,255,.6); text-transform: uppercase; letter-spacing: .5px; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,.2); }

/* Hero Visual */
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-img-wrap { position: relative; width: 420px; height: 420px; }
.hero-img-bg {
  position: absolute; inset: 40px;
  background: radial-gradient(circle, rgba(26,109,181,.3) 0%, transparent 70%);
  border-radius: 50%; border: 1px solid rgba(255,255,255,.1);
}
.hero-img-card {
  position: absolute;
  background: rgba(255,255,255,.08); backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 16px; padding: 16px 20px;
  display: flex; align-items: center; gap: 10px;
  color: white; font-size: 13px; font-weight: 500;
  animation: floatCard 3s ease-in-out infinite;
}
.hero-img-card-1 { top: 30px; left: -10px; animation-delay: 0s; }
.hero-img-card-2 { top: 160px; right: -20px; animation-delay: 1s; }
.hero-img-card-3 { bottom: 60px; left: 20px; animation-delay: 2s; }
.card-icon { width: 24px; height: 24px; color: var(--gold-light); }
.hero-center-icon {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
}
.hero-icon-ring {
  width: 120px; height: 120px; border-radius: 50%;
  background: rgba(255,255,255,.06); border: 2px solid rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center;
  animation: rotateSlow 20s linear infinite;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius); font-size: 14px; font-weight: 600;
  cursor: pointer; border: 2px solid transparent; transition: var(--transition);
  text-decoration: none; white-space: nowrap;
}
.btn-primary {
  background: var(--primary); color: white; border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(15,76,129,.3); }
.btn-outline {
  background: transparent; color: white; border-color: rgba(255,255,255,.4);
}
.btn-outline:hover { background: rgba(255,255,255,.1); border-color: white; }
.btn-gold {
  background: var(--gold); color: var(--dark); border-color: var(--gold); font-weight: 700;
}
.btn-gold:hover { background: var(--gold-light); border-color: var(--gold-light); transform: translateY(-2px); }
.btn-lg { padding: 16px 40px; font-size: 16px; }
.btn svg { width: 16px; height: 16px; }
.btn-block { width: 100%; justify-content: center; }

/* ── FEATURES STRIP ── */
.features-strip {
  background: var(--dark-2); border-top: 1px solid rgba(255,255,255,.06);
}
.features-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.feature-item {
  display: flex; align-items: center; gap: 14px;
  padding: 24px 28px; color: white;
  border-right: 1px solid rgba(255,255,255,.06);
  transition: var(--transition);
}
.feature-item:last-child { border-right: none; }
.feature-item:hover { background: rgba(255,255,255,.04); }
.feature-icon { width: 36px; height: 36px; color: var(--gold); flex-shrink: 0; }
.feature-item div { display: flex; flex-direction: column; gap: 2px; }
.feature-item strong { font-size: 14px; color: white; font-weight: 600; }
.feature-item span { font-size: 12px; color: rgba(255,255,255,.5); }

/* ── SECTION HEADERS ── */
.section-header { text-align: center; margin-bottom: 48px; }
.section-tag {
  display: inline-block; background: rgba(15,76,129,.1); color: var(--primary);
  border: 1px solid rgba(15,76,129,.2); border-radius: 40px;
  padding: 4px 16px; font-size: 12px; font-weight: 600;
  letter-spacing: 1px; text-transform: uppercase; margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display); font-size: clamp(28px, 4vw, 44px);
  font-weight: 600; color: var(--dark); line-height: 1.2;
}

/* ── CATEGORIES ── */
.categories-section { background: var(--bg-2); }
.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
}
.cat-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  cursor: pointer; aspect-ratio: 1; transition: var(--transition);
  display: flex; align-items: flex-end; padding: 24px;
}
.cat-card-large { grid-column: span 2; aspect-ratio: 2/1; }
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.cat-card-bg { position: absolute; inset: 0; transition: var(--transition); }
.cat-card:hover .cat-card-bg { filter: brightness(1.1); }
.cat-card-icon {
  position: absolute; top: 24px; right: 24px;
  width: 52px; height: 52px; background: rgba(255,255,255,.15);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(8px);
}
.cat-card-icon svg { width: 28px; height: 28px; color: white; }
.cat-card-info { position: relative; z-index: 1; }
.cat-card-info h3 { font-family: var(--font-display); font-size: 22px; font-weight: 600; color: white; margin-bottom: 4px; }
.cat-card-info p { font-size: 13px; color: rgba(255,255,255,.7); margin-bottom: 8px; }
.cat-count { font-size: 11px; background: rgba(255,255,255,.2); color: white; padding: 2px 10px; border-radius: 20px; backdrop-filter: blur(8px); }

/* ── PRODUCTS ── */
.filter-tabs { display: flex; gap: 8px; margin-bottom: 32px; flex-wrap: wrap; }
.filter-tab {
  padding: 8px 20px; border-radius: 40px; font-size: 13px; font-weight: 500;
  cursor: pointer; border: 1.5px solid var(--border); background: white;
  color: var(--text-muted); transition: var(--transition);
}
.filter-tab:hover { border-color: var(--primary); color: var(--primary); }
.filter-tab.active { background: var(--primary); border-color: var(--primary); color: white; }

.products-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.product-card {
  background: white; border-radius: var(--radius-lg);
  border: 1px solid var(--border); overflow: hidden;
  transition: var(--transition); position: relative;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.product-badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  padding: 3px 10px; border-radius: 6px; font-size: 11px; font-weight: 700;
  letter-spacing: .5px;
}
.badge-sale { background: var(--gold); color: var(--dark); }
.badge-hot { background: #e74c3c; color: white; }
.product-img-wrap { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--bg-2); }
.product-img-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.product-card:hover .product-img-placeholder { transform: scale(1.05); }
.product-actions {
  position: absolute; top: 8px; right: 8px;
  display: flex; flex-direction: column; gap: 6px;
  opacity: 0; transform: translateX(10px); transition: var(--transition);
}
.product-card:hover .product-actions { opacity: 1; transform: translateX(0); }
.prod-action-btn {
  width: 34px; height: 34px; border-radius: 8px;
  background: white; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text-muted); transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.prod-action-btn:hover { background: var(--primary); color: white; border-color: var(--primary); }
.prod-action-btn svg { width: 15px; height: 15px; }

.product-info { padding: 16px; }
.product-cat { font-size: 11px; color: var(--primary); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
.product-name { font-family: var(--font-display); font-size: 17px; font-weight: 600; color: var(--dark); margin: 6px 0; line-height: 1.3; }
.product-rating { display: flex; align-items: center; gap: 6px; margin-bottom: 10px; }
.stars { color: var(--gold); font-size: 13px; letter-spacing: -1px; }
.rating-count { font-size: 12px; color: var(--text-muted); }
.product-price { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.price-current { font-size: 18px; font-weight: 700; color: var(--primary); }
.price-old { font-size: 13px; color: var(--text-light); text-decoration: line-through; }
.btn-add-cart {
  width: 100%; display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px; border-radius: var(--radius); font-size: 13px; font-weight: 600;
  background: var(--bg-2); border: 1.5px solid var(--border); color: var(--text);
  cursor: pointer; transition: var(--transition);
}
.btn-add-cart:hover { background: var(--primary); border-color: var(--primary); color: white; }
.btn-add-cart svg { width: 15px; height: 15px; }
.view-all-wrap { text-align: center; margin-top: 48px; }
.view-all-wrap .btn-outline { color: var(--primary); border-color: var(--primary); }
.view-all-wrap .btn-outline:hover { background: var(--primary); color: white; }

/* ── PROMO BANNER ── */
.promo-banner {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--mid) 100%);
  padding: 60px 0;
  position: relative; overflow: hidden;
}
.promo-banner::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='.03'%3E%3Cpath d='M50 50c0-5.523 4.477-10 10-10s10 4.477 10 10-4.477 10-10 10c0 5.523-4.477 10-10 10s-10-4.477-10-10 4.477-10 10-10zM10 10c0-5.523 4.477-10 10-10s10 4.477 10 10-4.477 10-10 10c0 5.523-4.477 10-10 10S0 25.523 0 20s4.477-10 10-10z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.promo-inner {
  display: grid; grid-template-columns: 1fr auto; align-items: center;
  gap: 60px; position: relative; z-index: 1;
}
.promo-label { display: inline-block; font-size: 12px; color: var(--gold-light); text-transform: uppercase; letter-spacing: 2px; font-weight: 600; margin-bottom: 12px; }
.promo-content h2 { font-family: var(--font-display); font-size: clamp(28px,4vw,44px); color: white; margin-bottom: 12px; font-weight: 600; }
.promo-content p { color: rgba(255,255,255,.7); margin-bottom: 28px; font-size: 15px; }
.promo-countdown { display: flex; align-items: center; gap: 8px; margin-bottom: 32px; }
.countdown-item { display: flex; flex-direction: column; align-items: center; background: rgba(255,255,255,.1); border-radius: 10px; padding: 12px 16px; min-width: 64px; }
.countdown-item span { font-family: var(--font-display); font-size: 32px; font-weight: 700; color: white; line-height: 1; }
.countdown-item small { font-size: 10px; color: rgba(255,255,255,.6); text-transform: uppercase; letter-spacing: .5px; margin-top: 4px; }
.countdown-sep { font-size: 28px; color: rgba(255,255,255,.4); font-weight: 300; margin-bottom: 16px; }

.promo-visual { display: flex; align-items: center; justify-content: center; }
.promo-circles { position: relative; width: 200px; height: 200px; }
.promo-circle {
  position: absolute; border-radius: 50%;
  background: rgba(255,255,255,.1); border: 2px solid rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(8px);
}
.promo-c1 { width: 120px; height: 120px; top: 0; right: 0; animation: floatCard 4s ease-in-out infinite; }
.promo-c2 { width: 80px; height: 80px; bottom: 20px; left: 0; animation: floatCard 3s ease-in-out infinite 1.5s; }
.promo-c3 {
  width: 90px; height: 90px; bottom: 0; right: 20px;
  background: var(--gold); border-color: var(--gold-light);
  animation: floatCard 3.5s ease-in-out infinite .5s;
}
.promo-percent { font-size: 28px; font-weight: 900; color: var(--dark); }

/* ── ABOUT ── */
.about-section { background: white; }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-img-grid { position: relative; height: 400px; }
.about-img-1 {
  position: absolute; top: 0; left: 0; right: 80px; bottom: 80px;
  background: var(--bg-2); border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
}
.about-img-2 {
  position: absolute; bottom: 0; right: 0; width: 160px; height: 160px;
  background: var(--primary); border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
}
.about-badge-wrap { position: absolute; bottom: 60px; left: -20px; }
.about-badge {
  background: white; border-radius: 12px; padding: 16px 20px;
  box-shadow: var(--shadow-lg); display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.about-badge strong { font-family: var(--font-display); font-size: 28px; color: var(--primary); font-weight: 700; }
.about-badge span { font-size: 12px; color: var(--text-muted); text-align: center; }
.about-content .section-title { margin-bottom: 16px; }
.about-desc { color: var(--text-muted); line-height: 1.8; margin-bottom: 28px; }
.about-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.about-feat { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text); }
.feat-icon { width: 18px; height: 18px; color: var(--primary); flex-shrink: 0; }

/* ── TESTIMONIALS ── */
.testimonials-section { background: var(--bg-2); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.testimonial-card { background: white; border-radius: var(--radius-lg); padding: 32px; border: 1px solid var(--border); transition: var(--transition); }
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.testimonial-stars { color: var(--gold); font-size: 18px; letter-spacing: -1px; margin-bottom: 16px; }
.testimonial-text { font-family: var(--font-display); font-size: 16px; color: var(--text); line-height: 1.7; margin-bottom: 24px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar { width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-size: 18px; font-weight: 700; flex-shrink: 0; }
.testimonial-author strong { display: block; font-size: 15px; color: var(--dark); }
.testimonial-author span { font-size: 12px; color: var(--text-muted); }

/* ── CONTACT ── */
.contact-section { background: var(--dark); }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.contact-info .section-tag { background: rgba(201,162,39,.15); color: var(--gold-light); border-color: rgba(201,162,39,.3); }
.contact-info .section-title { color: white; }
.contact-info > p { color: rgba(255,255,255,.6); margin-bottom: 40px; line-height: 1.7; }
.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.contact-card {
  display: flex; align-items: center; gap: 14px;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius); padding: 14px 16px;
  transition: var(--transition); cursor: pointer;
}
.contact-card:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.15); transform: translateY(-2px); }
.contact-card-icon {
  width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.contact-card-icon svg { width: 18px; height: 18px; color: white; }
.contact-card div { display: flex; flex-direction: column; gap: 2px; }
.contact-card strong { font-size: 12px; color: rgba(255,255,255,.6); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
.contact-card span { font-size: 13px; color: rgba(255,255,255,.9); }
.contact-address { grid-column: span 2; }

/* Contact Form */
.contact-form-wrap {
  background: white; border-radius: var(--radius-lg); padding: 40px;
}
.contact-form-wrap h3 { font-family: var(--font-display); font-size: 24px; color: var(--dark); margin-bottom: 28px; font-weight: 600; }
.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-control {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--border);
  border-radius: var(--radius); font-size: 14px; color: var(--text); outline: none;
  transition: var(--transition); background: var(--bg);
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(15,76,129,.1); background: white; }
textarea.form-control { resize: vertical; min-height: 100px; }

/* ── FOOTER ── */
.footer { background: var(--dark); border-top: 1px solid rgba(255,255,255,.06); }
.footer-top { padding: 60px 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; }
.footer-brand .logo { margin-bottom: 20px; }
.footer-desc { font-size: 13px; color: rgba(255,255,255,.5); line-height: 1.7; margin-bottom: 24px; }
.footer-socials { display: flex; gap: 8px; }
.social-btn {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.7); transition: var(--transition);
}
.social-btn:hover { background: var(--primary); border-color: var(--primary); color: white; transform: translateY(-2px); }
.footer-heading { font-size: 13px; font-weight: 700; color: white; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,.5); transition: var(--transition); }
.footer-links a:hover { color: var(--gold-light); padding-left: 6px; }
.footer-contact-list { display: flex; flex-direction: column; gap: 12px; }
.footer-contact-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: rgba(255,255,255,.5); }
.footer-contact-list li svg { color: var(--gold); margin-top: 2px; flex-shrink: 0; }
.footer-contact-list a { color: rgba(255,255,255,.7); transition: var(--transition); }
.footer-contact-list a:hover { color: var(--gold-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.06); padding: 20px 0; }
.footer-bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,.4); }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { font-size: 13px; color: rgba(255,255,255,.4); transition: var(--transition); }
.footer-bottom-links a:hover { color: var(--gold-light); }

/* ── CART SIDEBAR ── */
.cart-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 500;
  opacity: 0; visibility: hidden; transition: var(--transition);
}
.cart-overlay.open { opacity: 1; visibility: visible; }
.cart-sidebar {
  position: fixed; top: 0; right: 0; bottom: 0; width: 380px; z-index: 501;
  background: white; box-shadow: var(--shadow-lg);
  transform: translateX(100%); transition: var(--transition);
  display: flex; flex-direction: column;
}
.cart-sidebar.open { transform: translateX(0); }
.cart-sidebar-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--border);
}
.cart-sidebar-header h3 { font-family: var(--font-display); font-size: 22px; font-weight: 600; }
.cart-sidebar-header button { background: none; border: none; cursor: pointer; color: var(--text-muted); padding: 4px; border-radius: 6px; transition: var(--transition); }
.cart-sidebar-header button:hover { background: var(--bg-2); color: var(--text); }
.cart-sidebar-header button svg { width: 20px; height: 20px; }
.cart-sidebar-body { flex: 1; overflow-y: auto; padding: 20px 24px; }
.cart-empty { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 60px 0; color: var(--text-muted); }
.cart-item {
  display: flex; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--bg-2);
  align-items: center;
}
.cart-item-info { flex: 1; }
.cart-item-name { font-size: 14px; font-weight: 600; color: var(--dark); margin-bottom: 4px; }
.cart-item-price { font-size: 13px; color: var(--primary); font-weight: 600; }
.cart-item-remove { background: none; border: none; cursor: pointer; color: var(--text-muted); transition: var(--transition); }
.cart-item-remove:hover { color: #e74c3c; }
.cart-sidebar-footer { padding: 20px 24px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 12px; }
.cart-total { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; }
.cart-total span { font-size: 15px; color: var(--text-muted); }
.cart-total strong { font-size: 20px; color: var(--primary); font-weight: 700; }

/* ── FLOAT ACTIONS ── */
.float-actions {
  position: fixed; bottom: 28px; right: 28px; z-index: 400;
  display: flex; flex-direction: column; gap: 10px; align-items: center;
}
.float-btn {
  width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; border: none; transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,.2); color: white; text-decoration: none;
}
.float-btn:hover { transform: translateY(-4px) scale(1.05); box-shadow: 0 8px 28px rgba(0,0,0,.3); }
.float-phone { background: #27ae60; }
.float-zalo { background: #0068ff; font-size: 20px; font-weight: 900; }
.float-top { background: var(--primary); }
.float-top svg { width: 20px; height: 20px; }

/* ── TOAST ── */
.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--dark); color: white; padding: 12px 24px;
  border-radius: 40px; font-size: 14px; font-weight: 500;
  opacity: 0; transition: var(--transition); z-index: 1000;
  pointer-events: none; white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── SCROLL TO TOP ── */
#scrollTopBtn svg { width: 20px; height: 20px; }

/* ── HIDDEN (filter) ── */
.product-card.hidden { display: none; }

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .categories-grid { grid-template-columns: repeat(3, 1fr); }
  .cat-card-large { grid-column: span 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-visual { display: none; }
  .hero-ctas { justify-content: center; }
  .hero-stats { justify-content: center; }
  .features-grid { grid-template-columns: repeat(2,1fr); }
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-img-grid { display: none; }
  .contact-inner { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr 1fr; }
  .contact-address { grid-column: span 2; }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .promo-inner { grid-template-columns: 1fr; text-align: center; }
  .promo-visual { display: none; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .topbar-right { display: none; }
  .search-wrap { display: none; }
  .menu-toggle { display: flex; }
  .nav { display: none; }
  .nav.open { display: block; }
  .nav-inner { flex-direction: column; align-items: flex-start; }
  .nav-links { flex-direction: column; width: 100%; padding-left: 0; }
  .nav-link { padding: 12px 20px; border-top: 1px solid rgba(255,255,255,.06); width: 100%; }
  .cat-dropdown { width: 100%; }
  .cat-toggle { width: 100%; }
  .categories-grid { grid-template-columns: 1fr 1fr; }
  .cat-card-large { grid-column: span 2; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .cart-sidebar { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .contact-address { grid-column: auto; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .categories-grid { grid-template-columns: 1fr 1fr; }
  .cat-card-large { aspect-ratio: 4/3; }
  .section { padding: 56px 0; }
  .hero-inner { padding: 56px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.06); }
  .promo-countdown { flex-wrap: wrap; justify-content: center; }
}

/* ── ANIMATIONS ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-content > * { animation: fadeInUp .6s ease forwards; opacity: 0; }
.hero-content > *:nth-child(1) { animation-delay: .1s; }
.hero-content > *:nth-child(2) { animation-delay: .2s; }
.hero-content > *:nth-child(3) { animation-delay: .3s; }
.hero-content > *:nth-child(4) { animation-delay: .4s; }
.hero-content > *:nth-child(5) { animation-delay: .5s; }