/* ===== GOOGLE FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400;1,500;1,600;1,700&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500&family=Inter:wght@300;400;500;600;700&display=swap');

/* ===== DESIGN TOKENS ===== */
:root {
  --burgundy-900: #3D0610;
  --burgundy-800: #5A0A18;
  --burgundy-700: #6B0F1A;
  --burgundy-600: #8B1A2B;
  --burgundy-500: #A52240;
  --burgundy-400: #C73B5C;
  --gold-700: #8B6914;
  --gold-600: #A67C1A;
  --gold-500: #C9A84C;
  --gold-400: #D4AF37;
  --gold-300: #E8C872;
  --gold-200: #F0D88A;
  --gold-100: #FFF3D1;
  --cream-100: #FFF8F0;
  --cream-200: #F5E6D3;
  --cream-300: #EDD5BD;
  --dark-900: #0A0506;
  --dark-800: #1A0A0E;
  --dark-700: #2D1117;
  --dark-600: #3D1A22;
  --white: #FFFFFF;
  --text-dark: #1A0A0E;
  --text-body: #4A3035;
  --text-muted: #7A5A62;
  --text-light: #F5E6D3;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-accent: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --shadow-sm: 0 2px 8px rgba(26,10,14,0.08);
  --shadow-md: 0 4px 20px rgba(26,10,14,0.12);
  --shadow-lg: 0 8px 40px rgba(26,10,14,0.18);
  --shadow-gold: 0 4px 30px rgba(212,175,55,0.25);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 40px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--cream-100);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
button { border: none; cursor: pointer; font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.4rem, 3vw, 2rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
.text-gold { color: var(--gold-400); }
.text-burgundy { color: var(--burgundy-600); }
.text-accent { font-family: var(--font-accent); font-style: italic; }
.text-center { text-align: center; }

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.active { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-60px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal-left.active { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(60px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal-right.active { opacity: 1; transform: translateX(0); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-radius: var(--radius-xl);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: var(--transition);
}
.btn:hover::before { opacity: 1; }
.btn-gold {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  color: var(--dark-800);
  box-shadow: var(--shadow-gold);
}
.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 40px rgba(212,175,55,0.4);
}
.btn-outline {
  background: transparent;
  border: 2px solid var(--gold-400);
  color: var(--gold-400);
}
.btn-outline:hover {
  background: var(--gold-400);
  color: var(--dark-800);
  transform: translateY(-3px);
}
.btn-burgundy {
  background: linear-gradient(135deg, var(--burgundy-600), var(--burgundy-700));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(107,15,26,0.3);
}
.btn-burgundy:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 40px rgba(107,15,26,0.5);
}

/* ===== GLOW PULSE ===== */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(212,175,55,0.3); }
  50% { box-shadow: 0 0 40px rgba(212,175,55,0.6), 0 0 60px rgba(212,175,55,0.2); }
}
.glow-pulse { animation: glowPulse 2.5s ease-in-out infinite; }

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}
.header.scrolled {
  background: rgba(26,10,14,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 10px 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}
.logo-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gold-400);
  letter-spacing: 2px;
}
.logo-sub {
  font-family: var(--font-accent);
  font-size: 0.7rem;
  color: var(--gold-300);
  letter-spacing: 3px;
  text-transform: uppercase;
}
.header-badges {
  display: flex;
  gap: 20px;
  align-items: center;
}
.header-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(212,175,55,0.1);
  border: 1px solid rgba(212,175,55,0.2);
  border-radius: var(--radius-xl);
  color: var(--gold-300);
  font-size: 0.82rem;
  font-weight: 500;
  white-space: nowrap;
}
.header-badge .badge-icon { font-size: 1.2rem; }
.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  border-radius: var(--radius-xl);
  color: var(--dark-800);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 1px;
  transition: var(--transition);
}
.header-phone:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-gold);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--dark-800) 0%, var(--burgundy-800) 40%, var(--burgundy-700) 70%, var(--dark-900) 100%);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(212,175,55,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(139,26,43,0.15) 0%, transparent 50%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 24px 80px;
  position: relative;
  z-index: 2;
}
.hero-content { color: var(--text-light); }
.hero-label {
  display: inline-block;
  padding: 8px 24px;
  background: rgba(212,175,55,0.15);
  border: 1px solid rgba(212,175,55,0.3);
  border-radius: var(--radius-xl);
  font-family: var(--font-accent);
  font-size: 0.9rem;
  color: var(--gold-300);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.15;
}
.hero-title .gold { color: var(--gold-400); }
.hero-subtitle {
  font-family: var(--font-accent);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--gold-300);
  font-style: italic;
  margin-bottom: 32px;
  line-height: 1.6;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
}
.hero-image img {
  max-width: 520px;
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.hero-image::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--gold-400), transparent, var(--gold-600));
  z-index: -1;
  opacity: 0.4;
}
/* Hạt vàng bay */
.particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--gold-400);
  border-radius: 50%;
  opacity: 0;
  animation: floatUp 6s ease-in-out infinite;
}
@keyframes floatUp {
  0% { opacity: 0; transform: translateY(100vh) scale(0); }
  20% { opacity: 0.8; }
  80% { opacity: 0.3; }
  100% { opacity: 0; transform: translateY(-20vh) scale(1); }
}

/* ===== TRUST SECTION ===== */
.trust {
  padding: 100px 0;
  background: var(--cream-100);
  position: relative;
}
.trust-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 60px;
}
.stat-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(212,175,55,0.1);
  transition: var(--transition);
}
.stat-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-gold);
  border-color: var(--gold-400);
}
.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold-400), var(--burgundy-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-top: 8px;
}
.trust-badges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.trust-badge-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.trust-badge-item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
}
.trust-badge-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-100), var(--gold-200));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.trust-badge-text {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-dark);
}

/* ===== ABOUT / GIỚI THIỆU ===== */
.about {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--cream-200) 0%, var(--cream-100) 100%);
  position: relative;
}
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}
.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-image img {
  width: 100%;
  transition: transform 0.6s ease;
}
.about-image:hover img { transform: scale(1.03); }
.about-image::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid var(--gold-400);
  border-radius: var(--radius-lg);
  z-index: 2;
  opacity: 0.3;
}
.about-content h2 {
  color: var(--burgundy-700);
  margin-bottom: 12px;
}
.about-content .subtitle {
  font-family: var(--font-accent);
  font-size: 1.2rem;
  color: var(--gold-500);
  font-style: italic;
  margin-bottom: 28px;
}
.about-content p {
  color: var(--text-body);
  margin-bottom: 16px;
  text-align: justify;
  font-size: 0.95rem;
}
.about-signature {
  font-family: var(--font-accent);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--burgundy-600);
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--cream-300);
}

/* ===== GIÁ TRỊ CỐT LÕI ===== */
.values {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--dark-800), var(--burgundy-800), var(--dark-900));
  position: relative;
  overflow: hidden;
}
.values::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 80%, rgba(212,175,55,0.06) 0%, transparent 50%);
}
.values .section-header { text-align: center; margin-bottom: 60px; position: relative; z-index: 2; }
.values .section-header h2 { color: var(--white); }
.values .section-header p {
  font-family: var(--font-accent);
  font-size: 1.1rem;
  color: var(--gold-300);
  font-style: italic;
  margin-top: 12px;
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  position: relative;
  z-index: 2;
}
.value-card {
  padding: 40px 32px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(212,175,55,0.12);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-400), var(--burgundy-500), var(--gold-400));
  opacity: 0;
  transition: var(--transition);
}
.value-card:hover {
  transform: translateY(-8px);
  background: rgba(255,255,255,0.08);
  border-color: rgba(212,175,55,0.3);
  box-shadow: 0 16px 48px rgba(0,0,0,0.3);
}
.value-card:hover::before { opacity: 1; }
.value-card-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(212,175,55,0.2), rgba(212,175,55,0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
}
.value-card h3 {
  font-family: var(--font-display);
  color: var(--gold-300);
  font-size: 1.3rem;
  margin-bottom: 12px;
}
.value-card p {
  color: rgba(255,255,255,0.65);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ===== PROMO BANNER ===== */
.promo {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--burgundy-700), var(--burgundy-600));
  position: relative;
  overflow: hidden;
}
.promo::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60"><circle cx="30" cy="30" r="1.5" fill="rgba(212,175,55,0.1)"/></svg>');
  pointer-events: none;
}
.promo-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.promo-box {
  text-align: center;
  padding: 40px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(212,175,55,0.2);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}
.promo-box h2 { color: var(--white); font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 8px; }
.promo-price {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.promo-free {
  display: inline-block;
  padding: 6px 16px;
  background: var(--gold-400);
  color: var(--dark-800);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  margin-top: 8px;
}
.countdown {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 24px;
}
.countdown-item {
  width: 72px;
  padding: 12px 0;
  background: rgba(212,175,55,0.15);
  border: 1px solid rgba(212,175,55,0.3);
  border-radius: var(--radius-sm);
  text-align: center;
}
.countdown-item .num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gold-300);
  display: block;
}
.countdown-item .label {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== SẢN PHẨM ===== */
.product-section {
  padding: 100px 0;
  position: relative;
}
.product-section:nth-child(even) { background: var(--cream-200); }
.product-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.product-inner.reverse { direction: rtl; }
.product-inner.reverse > * { direction: ltr; }
.product-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.product-image img { width: 100%; transition: transform 0.6s ease; }
.product-image:hover img { transform: scale(1.05); }
.product-content h4 {
  font-family: var(--font-accent);
  font-size: 1rem;
  color: var(--gold-500);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 8px;
}
.product-content h2 {
  color: var(--burgundy-700);
  margin-bottom: 20px;
}
.product-content p {
  color: var(--text-body);
  margin-bottom: 20px;
  text-align: justify;
  font-size: 0.95rem;
}
.product-features {
  margin-bottom: 24px;
}
.product-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  color: var(--text-body);
  font-size: 0.95rem;
}
.product-features li .check {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-100), var(--gold-200));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.product-pricing {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.price-sale {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--burgundy-600);
}
.price-original {
  font-size: 1.2rem;
  color: var(--text-muted);
  text-decoration: line-through;
}
.discount-badge {
  padding: 6px 16px;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  color: var(--dark-800);
  font-weight: 700;
  font-size: 0.82rem;
  border-radius: var(--radius-xl);
}

/* ===== CTA SECTION ===== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--gold-400) 0%, var(--gold-600) 50%, var(--burgundy-600) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.15), transparent 70%);
}
.cta-section h2 {
  color: var(--dark-800);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 12px;
  position: relative; z-index: 2;
}
.cta-section p {
  color: var(--dark-600);
  font-size: 1.1rem;
  margin-bottom: 32px;
  position: relative; z-index: 2;
}

/* ===== THƯƠNG HIỆU UY TÍN ===== */
.brand {
  padding: 100px 0;
  background: var(--cream-100);
}
.brand-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.brand-content h2 {
  color: var(--burgundy-700);
  margin-bottom: 32px;
}
.brand-list { display: flex; flex-direction: column; gap: 20px; }
.brand-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.brand-item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
}
.brand-item-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-100), var(--gold-200));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.brand-item p { color: var(--text-body); font-size: 0.92rem; }
.brand-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.brand-gallery img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.brand-gallery img:hover { transform: scale(1.03); box-shadow: var(--shadow-md); }

/* ===== TESTIMONIALS ===== */
.testimonials {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--dark-800), var(--burgundy-900));
  position: relative;
  overflow: hidden;
}
.testimonials .section-header { text-align: center; margin-bottom: 60px; }
.testimonials .section-header h2 { color: var(--white); }
.testimonials .section-header p { color: var(--gold-300); font-family: var(--font-accent); font-style: italic; margin-top: 8px; }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.testimonial-card {
  padding: 32px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(212,175,55,0.12);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}
.testimonial-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(212,175,55,0.25);
  transform: translateY(-4px);
}
.testimonial-stars { color: var(--gold-400); font-size: 1.1rem; margin-bottom: 16px; letter-spacing: 3px; }
.testimonial-text {
  color: rgba(255,255,255,0.75);
  font-style: italic;
  font-size: 0.95rem;
  margin-bottom: 20px;
  line-height: 1.7;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-400), var(--burgundy-500));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}
.testimonial-name { color: var(--gold-300); font-weight: 600; font-size: 0.92rem; }
.testimonial-role { color: rgba(255,255,255,0.4); font-size: 0.8rem; }

/* ===== FOOTER ===== */
.footer {
  padding: 80px 0 32px;
  background: linear-gradient(180deg, var(--dark-900), #050203);
  color: var(--text-light);
  position: relative;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 20px; }
.footer-brand p { color: rgba(255,255,255,0.5); font-size: 0.88rem; line-height: 1.8; }
.footer h4 {
  font-family: var(--font-display);
  color: var(--gold-400);
  font-size: 1.1rem;
  margin-bottom: 20px;
}
.footer-links li { margin-bottom: 12px; }
.footer-links a {
  color: rgba(255,255,255,0.55);
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-links a:hover { color: var(--gold-400); transform: translateX(4px); }
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.footer-social a {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(212,175,55,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--gold-400);
  color: var(--dark-800);
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold);
}
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  color: rgba(255,255,255,0.3);
  font-size: 0.82rem;
}

/* ===== FLOATING PHONE ===== */
.floating-phone {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--burgundy-600), var(--burgundy-700));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--white);
  box-shadow: 0 4px 20px rgba(107,15,26,0.5);
  transition: var(--transition);
  animation: phonePulse 2s ease-in-out infinite;
}
.floating-phone:hover {
  transform: scale(1.15);
  box-shadow: 0 8px 30px rgba(107,15,26,0.7);
}
@keyframes phonePulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(107,15,26,0.5); }
  50% { box-shadow: 0 4px 20px rgba(107,15,26,0.5), 0 0 0 12px rgba(107,15,26,0.15); }
}

/* ===== MODAL ĐẶT HÀNG ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 2, 4, 0.85);
  backdrop-filter: blur(8px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.35s ease;
}
.modal-overlay.active {
  display: flex;
  opacity: 1;
}
.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  padding: 40px 36px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(212,175,55,0.15);
  animation: modalSlideIn 0.4s ease;
}
@keyframes modalSlideIn {
  from { transform: translateY(40px) scale(0.96); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--cream-300);
  background: var(--cream-100);
  color: var(--text-dark);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 2;
}
.modal-close:hover {
  background: var(--burgundy-600);
  color: var(--white);
  border-color: var(--burgundy-600);
}
.modal-header {
  text-align: center;
  margin-bottom: 28px;
}
.modal-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--gold-100), var(--gold-200));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}
.modal-header h2 {
  font-family: var(--font-display);
  color: var(--burgundy-700);
  font-size: 1.6rem;
  margin-bottom: 6px;
}
.modal-header p {
  color: var(--text-muted);
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 0.95rem;
}

/* --- Form Styles --- */
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
  font-size: 0.88rem;
}
.form-group label .required {
  color: var(--burgundy-600);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--cream-300);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-dark);
  background: var(--cream-100);
  transition: var(--transition);
  outline: none;
  box-sizing: border-box;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--gold-400);
  box-shadow: 0 0 0 3px rgba(212,175,55,0.15);
  background: var(--white);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* --- Custom Checkboxes sản phẩm --- */
.product-checkboxes {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.product-checkbox {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  background: var(--cream-100);
  border: 2px solid var(--cream-300);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  user-select: none;
}
.product-checkbox:hover {
  border-color: var(--gold-400);
  background: var(--gold-100);
}
.product-checkbox input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}
.product-checkbox .checkmark {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 2px solid var(--cream-300);
  background: var(--white);
  margin-right: 14px;
  flex-shrink: 0;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.product-checkbox .checkmark::after {
  content: '✓';
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 800;
  opacity: 0;
  transform: scale(0);
  transition: all 0.2s ease;
}
.product-checkbox input:checked ~ .checkmark {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  border-color: var(--gold-500);
}
.product-checkbox input:checked ~ .checkmark::after {
  opacity: 1;
  transform: scale(1);
}
.product-checkbox input:checked ~ .cb-label {
  color: var(--burgundy-700);
  font-weight: 700;
}
.product-checkbox input:checked + .checkmark + .cb-label + .cb-price {
  color: var(--burgundy-600);
  font-weight: 800;
}
/* Khi checkbox được chọn, đổi border card */
.product-checkbox:has(input:checked) {
  border-color: var(--gold-400);
  background: linear-gradient(135deg, var(--gold-100), rgba(212,175,55,0.08));
  box-shadow: 0 2px 12px rgba(212,175,55,0.15);
}
.cb-label {
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.92rem;
  flex: 1;
}
.cb-price {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--burgundy-600);
  font-size: 0.95rem;
  white-space: nowrap;
}

/* --- Tổng cộng --- */
.form-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: linear-gradient(135deg, var(--burgundy-700), var(--burgundy-800));
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
}
.total-amount {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gold-300);
}
.btn-full {
  width: 100%;
  justify-content: center;
  font-size: 1.05rem;
  padding: 16px 32px;
}
.btn-full:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* --- QR Thanh toán --- */
.qr-info {
  text-align: center;
}
.qr-order-summary {
  text-align: left;
  margin-bottom: 16px;
  padding: 16px;
  background: var(--cream-100);
  border-radius: var(--radius-sm);
  border: 1px solid var(--cream-300);
}
.qr-order-summary .qr-item {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--text-body);
}
.qr-order-summary .qr-item span:last-child {
  font-weight: 600;
  color: var(--text-dark);
}
.qr-total-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: linear-gradient(135deg, var(--burgundy-700), var(--burgundy-800));
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  color: var(--white);
  font-weight: 600;
}
.qr-total {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--gold-300);
}
.qr-image-wrapper {
  margin: 0 auto 20px;
  padding: 16px;
  background: var(--white);
  border: 2px solid var(--gold-400);
  border-radius: var(--radius-md);
  display: inline-block;
  box-shadow: 0 4px 20px rgba(212,175,55,0.15);
}
.qr-image-wrapper img {
  max-width: 280px;
  width: 100%;
  display: block;
}
.qr-bank-info {
  padding: 16px;
  background: var(--cream-100);
  border-radius: var(--radius-sm);
  border: 1px solid var(--cream-300);
  margin-bottom: 16px;
}
.qr-bank-info p {
  margin: 6px 0;
  font-size: 0.9rem;
  color: var(--text-body);
}
.qr-bank-info strong {
  color: var(--text-dark);
}
.qr-note {
  font-style: italic;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-family: var(--font-accent);
}
.qr-transfer-note {
  padding: 16px;
  background: linear-gradient(135deg, #FFF8E1, #FFF3CD);
  border: 2px solid var(--gold-400);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  text-align: center;
}
.qr-transfer-note p {
  margin: 0 0 8px;
  font-size: 0.88rem;
  color: var(--text-dark);
}
.transfer-note-value {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--burgundy-700);
  letter-spacing: 1px;
  padding: 8px 12px;
  background: var(--white);
  border-radius: 6px;
  border: 1px dashed var(--burgundy-500);
  user-select: all;
  cursor: pointer;
}

/* ===== SUCCESS SCREEN ===== */
.success-screen { text-align: center; padding: 20px 0; }
.success-anim { margin-bottom: 20px; }
.success-circle {
  width: 90px; height: 90px; border-radius: 50%;
  background: linear-gradient(135deg, #0a7c42, #10b981);
  display: inline-flex; align-items: center; justify-content: center;
  animation: successPop 0.5s ease-out;
  box-shadow: 0 0 30px rgba(16,185,129,0.4);
}
.success-circle span { color: #fff; font-size: 48px; font-weight: bold; }
@keyframes successPop {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.2); }
  100% { transform: scale(1); opacity: 1; }
}
.success-title {
  font-family: var(--font-display); color: #0a7c42;
  font-size: 1.6rem; margin: 16px 0 8px;
}
.success-sub {
  font-family: var(--font-accent); color: var(--text-muted);
  font-style: italic; margin-bottom: 20px;
}
.success-details {
  background: var(--cream-50); border: 1px solid var(--gold-300);
  border-radius: var(--radius-sm); padding: 16px; margin: 16px 0;
  text-align: left;
}
.success-details .sd-row {
  display: flex; justify-content: space-between;
  padding: 8px 0; border-bottom: 1px solid rgba(0,0,0,0.06);
}
.success-details .sd-row:last-child { border: none; }
.success-details .sd-label { color: var(--text-muted); font-size: 0.85rem; }
.success-details .sd-value { font-weight: 600; color: var(--text-dark); }
.success-note {
  font-size: 0.85rem; color: var(--text-muted); line-height: 1.8;
  margin: 16px 0;
}
.polling-status {
  display: flex; align-items: center; justify-content: center;
  gap: 10px; padding: 12px; margin-top: 16px;
  background: #FFF8E1; border: 1px solid var(--gold-400);
  border-radius: var(--radius-sm); font-size: 0.85rem; color: #8B6914;
}
.polling-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: #D4AF37; animation: blink 1s infinite;
}
@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0.3;} }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .header-badges { display: none; }
  .hero-inner, .about-inner, .product-inner, .promo-inner, .brand-inner { grid-template-columns: 1fr; gap: 40px; }
  .product-inner.reverse { direction: ltr; }
  .values-grid, .trust-badges { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .trust-stats { grid-template-columns: 1fr; gap: 20px; }
  .values-grid, .trust-badges, .testimonials-grid { grid-template-columns: 1fr; }
  .brand-gallery { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 100px; }
  .hero-image img { max-width: 100%; }
  .countdown-item { width: 60px; }
  .countdown-item .num { font-size: 1.4rem; }
  .modal { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .qr-image-wrapper img { max-width: 220px; }
}
@media (max-width: 480px) {
  .hero-cta { flex-direction: column; }
  .btn { width: 100%; justify-content: center; padding: 14px 28px; }
  .promo-price { font-size: 2.5rem; }
  .modal { padding: 24px 16px; max-height: 95vh; }
  .modal-header h2 { font-size: 1.3rem; }
  .total-amount { font-size: 1.2rem; }
  .qr-total { font-size: 1.3rem; }
}