/* ============================================
   松揚嚴選酒藏 — Vineyard Estate Theme
   Colors: White Maple, Wood Tones, Wine Red
   ============================================ */

:root {
  /* Core palette */
  --maple:       #FAF6F0;
  --maple-warm:  #F5E6D0;
  --wood-light:  #C9A96E;
  --wood:        #8B6914;
  --wood-dark:   #5A4234;
  --bark:        #3D2B1F;
  --wine:        #722F37;
  --wine-deep:   #8B1A1A;
  --gold:        #D4AF37;
  --gold-dark:   #B8860B;
  --muted:       #8B7355;
  --light-line:  rgba(139,105,20,0.1);
  --wine-line:   rgba(114,47,55,0.12);
  
  /* Typography */
  --font-display: 'Noto Serif TC', 'Georgia', serif;
  --font-accent:  'Cormorant Garamond', 'Georgia', serif;
  --font-body:    'Noto Sans TC', 'Helvetica Neue', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--maple);
  color: var(--bark);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Background texture (fixed) */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 15% 0%, rgba(139,47,55,0.035) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 100%, rgba(139,105,20,0.035) 0%, transparent 55%);
}

/* ===== NAV ===== */
#main-nav {
  position: sticky; top: 0; z-index: 100;
  background: transparent;
  backdrop-filter: none;
  border-bottom: none;
  transition: all 0.4s ease;
  padding: 20px 0;
}
#main-nav.scrolled {
  background: rgba(250,246,240,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--light-line);
  padding: 12px 0;
}

.nav-inner {
  max-width: 1140px; margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center;
  justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}

.nav-brand {
  font-family: var(--font-accent);
  font-size: 22px; font-weight: 700;
  color: var(--bark);
  letter-spacing: 2px;
  text-decoration: none;
  transition: font-size 0.3s ease;
}
#main-nav.scrolled .nav-brand { font-size: 18px; }
.brand-accent { color: var(--wine); }

.nav-tabs { display: flex; gap: 6px; flex-wrap: wrap; }

.nav-tab {
  padding: 8px 18px;
  border-radius: 24px;
  border: 1.5px solid transparent;
  background: rgba(139,105,20,0.06);
  color: var(--wood-dark);
  font-family: var(--font-body);
  font-size: 13px; font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.nav-tab:hover {
  background: rgba(139,105,20,0.12);
}
.nav-tab.active {
  border-color: var(--wine);
  background: linear-gradient(135deg, var(--wine), var(--wine-deep));
  color: var(--maple-warm);
}

/* ===== HERO ===== */
.hero {
  position: relative; z-index: 1;
  max-width: 1140px; margin: 0 auto;
  padding: 80px 24px 60px;
  text-align: center;
}
.hero-inner {
  animation: fadeUp 1s cubic-bezier(0.22,1,0.36,1) 0.2s both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-block;
  padding: 6px 20px;
  border-radius: 20px;
  border: 1px solid rgba(139,105,20,0.2);
  background: rgba(139,105,20,0.04);
  font-family: var(--font-body);
  font-size: 12px; color: var(--wood);
  letter-spacing: 3px; font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 900;
  color: var(--bark);
  line-height: 1.2;
  margin-bottom: 8px;
}
.accent { color: var(--wine); }

.hero-subtitle {
  font-family: var(--font-accent);
  font-size: clamp(16px, 2.5vw, 22px);
  color: var(--wood);
  font-style: italic;
  letter-spacing: 4px;
  margin-bottom: 16px;
}

.divider-line {
  width: 120px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--wood), transparent);
  margin: 0 auto 24px;
}

.hero-desc {
  font-family: var(--font-body);
  font-size: 14px; color: var(--muted);
  max-width: 540px; margin: 0 auto;
  line-height: 1.85;
}

/* ===== CATEGORY HEADER ===== */
.category-header {
  position: relative; z-index: 1;
  max-width: 1140px; margin: 0 auto;
  padding: 0 24px 40px;
  text-align: center;
}
.category-icon-row {
  display: flex; align-items: center;
  justify-content: center; gap: 16px;
  margin-bottom: 8px;
}
.deco-line {
  width: 60px; height: 1px;
}
.deco-line.left  { background: linear-gradient(90deg, transparent, var(--wine)); }
.deco-line.right { background: linear-gradient(90deg, var(--wine), transparent); }
.category-icon { font-size: 32px; }
.category-name {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700; color: var(--bark);
  margin-bottom: 4px;
}
.category-name-en {
  font-family: var(--font-accent);
  font-size: 16px; color: var(--wood);
  font-style: italic; letter-spacing: 3px;
}

/* ===== PRODUCT GRID ===== */
.product-grid {
  position: relative; z-index: 1;
  max-width: 1140px; margin: 0 auto;
  padding: 0 24px 60px;
  display: grid;
  gap: 28px;
}
.product-grid.grid-cards {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

/* ===== WINE PRODUCT CARD ===== */
.wine-card {
  background: linear-gradient(145deg, rgba(245,230,210,0.35), rgba(255,255,255,0.6));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 16px;
  border: 1px solid var(--wine-line);
  overflow: hidden;
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.7s cubic-bezier(0.22,1,0.36,1);
}
.wine-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.wine-card:hover {
  border-color: rgba(114,47,55,0.25);
  box-shadow: 0 12px 40px rgba(114,47,55,0.08);
}

.wine-card-inner {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 0;
}
@media (max-width: 640px) {
  .wine-card-inner {
    grid-template-columns: 1fr;
  }
}

.wine-card-image {
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  background: linear-gradient(180deg, rgba(245,230,210,0.3), rgba(139,105,20,0.04));
  min-height: 200px;
  position: relative;
}
.wine-card-image img {
  max-width: 100%; max-height: 220px;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.1));
  transition: transform 0.4s ease;
}
.wine-card:hover .wine-card-image img {
  transform: scale(1.05);
}
.wine-card-image .placeholder {
  width: 80px; height: 160px;
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(139,105,20,0.08), rgba(139,105,20,0.03));
  border: 2px dashed rgba(139,105,20,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 36px; opacity: 0.4;
}

.wine-card-body { padding: 28px 28px 28px 4px; }
@media (max-width: 640px) {
  .wine-card-body { padding: 20px 24px 24px; }
}

.wine-card-price {
  display: inline-block;
  background: linear-gradient(135deg, var(--wine), var(--wine-deep));
  color: var(--maple-warm);
  padding: 5px 16px;
  border-radius: 20px;
  font-family: var(--font-accent);
  font-size: 18px; font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.wine-card-name {
  font-family: var(--font-display);
  font-size: 20px; font-weight: 700;
  color: var(--bark);
  margin-bottom: 4px;
  line-height: 1.35;
}

.wine-card-name-en {
  font-family: var(--font-accent);
  font-size: 13.5px; color: var(--wood);
  font-style: italic;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}

.wine-card-awards {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 14px;
}
.award-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #fff; padding: 3px 12px;
  border-radius: 16px; font-size: 11px;
  font-family: var(--font-body);
  font-weight: 600; letter-spacing: 0.3px;
}

.wine-card-specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
  margin-bottom: 16px;
}
.spec-item {
  padding: 8px 12px;
  background: rgba(139,105,20,0.05);
  border-radius: 8px;
  border-left: 3px solid rgba(139,105,20,0.25);
}
.spec-label {
  font-size: 10px; color: var(--wood);
  font-weight: 600; text-transform: uppercase;
  letter-spacing: 1px; margin-bottom: 2px;
}
.spec-value {
  font-size: 13px; color: var(--bark);
  line-height: 1.4;
}

.wine-card-desc {
  font-family: 'Microsoft JhengHei', 'Microsoft JhengHei UI', var(--font-body);
  font-size: 13px; line-height: 1.85;
  color: var(--wood-dark);
  white-space: pre-line;
}

/* ===== HEALTH PRODUCT CARD ===== */
.health-card {
  background: linear-gradient(145deg, rgba(245,230,210,0.3), rgba(255,255,255,0.5));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 14px;
  border: 1px solid var(--light-line);
  padding: 24px;
  text-align: center;
  opacity: 0; transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.22,1,0.36,1);
}
.health-card.visible {
  opacity: 1; transform: translateY(0);
}
.health-card:hover {
  border-color: rgba(139,105,20,0.2);
  box-shadow: 0 8px 30px rgba(139,105,20,0.06);
}

.health-card-image {
  width: 160px; height: 160px;
  margin: 0 auto 16px;
  border-radius: 12px;
  background: rgba(139,105,20,0.04);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.health-card-image img {
  max-width: 100%; max-height: 100%;
  object-fit: contain;
}
.health-card-image .placeholder {
  font-size: 36px; opacity: 0.35;
}

.health-card-name {
  font-family: var(--font-display);
  font-size: 17px; font-weight: 700;
  color: var(--bark); margin-bottom: 4px;
}
.health-card-name-en {
  font-family: var(--font-accent);
  font-size: 13px; color: var(--wood);
  font-style: italic; margin-bottom: 12px;
}
.health-card-price {
  font-family: var(--font-accent);
  font-size: 22px; font-weight: 700;
  color: var(--wine);
}

/* ===== SHIPPING BANNER ===== */
.shipping-banner {
  position: relative; z-index: 1;
  max-width: 1140px; margin: 0 auto 40px;
  padding: 0 24px;
}
.shipping-inner {
  background: linear-gradient(135deg, rgba(139,47,55,0.05), rgba(139,105,20,0.05));
  border-radius: 16px;
  border: 1px solid rgba(139,47,55,0.08);
  padding: 28px 32px;
  display: flex; flex-wrap: wrap;
  gap: 24px; justify-content: center; align-items: flex-start;
}
.shipping-item { text-align: center; flex: 1; min-width: 160px; }
.shipping-icon { font-size: 24px; margin-bottom: 6px; }
.shipping-label {
  font-size: 14px; color: var(--bark); font-weight: 600;
}
.shipping-sub {
  font-size: 12px; color: var(--muted);
}
.shipping-divider {
  width: 1px; height: 50px;
  background: rgba(139,105,20,0.12);
  align-self: center;
}
@media (max-width: 700px) {
  .shipping-divider { display: none; }
  .shipping-inner { gap: 20px; }
}

.line-qr-img {
  width: 100px; height: 100px;
  object-fit: contain;
  margin: 8px auto;
  border-radius: 8px;
  display: block;
}

/* ===== LEGAL NOTICES ===== */
.legal-notices {
  position: relative; z-index: 1;
  max-width: 1140px; margin: 0 auto;
  padding: 0 24px 24px;
}
.legal-inner {
  background: rgba(139,105,20,0.035);
  border-radius: 12px;
  padding: 24px 28px;
  border: 1px solid rgba(139,105,20,0.07);
}
.legal-title {
  font-family: var(--font-display);
  font-size: 16px; color: var(--bark);
  margin-bottom: 12px;
}
.legal-list { font-size: 12.5px; color: var(--muted); line-height: 1.9; }
.legal-list p { margin-bottom: 4px; }

/* ===== FOOTER WARNING ======
   菸酒管理法施行細則第11條：
   - 字體不得小於長寬各三公分 (≈30px)
   - 版面10%連續獨立面積
   - 字體面積 ≥ 警語背景面積 1/2
   - 顏色與底色互為對比
   ============================ */
.warning-footer {
  position: relative; z-index: 1;
  margin-top: 24px;
}

.warning-bar {
  background: linear-gradient(135deg, #1A0A04, #2C1A0E);
  padding: 28px 24px 20px;
  text-align: center;
  /* 確保警語區域佔版面 ≥10% */
  min-height: 10vh;
}
.warning-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.warning-icon { font-size: 28px; }
.warning-text {
  font-family: var(--font-body);
  /* 法規要求：字體不得小於長寬各3公分 → 螢幕上約 30px */
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 700;
  color: #F5D060;
  letter-spacing: 6px;
}
.warning-separator {
  color: rgba(245,208,96,0.4);
  font-size: 14px;
}
.warning-sub {
  font-family: var(--font-body);
  font-size: clamp(16px, 2.5vw, 20px);
  font-weight: 600;
  color: rgba(245,230,210,0.8);
  letter-spacing: 4px;
}

.footer-bottom {
  background: #0D0604;
  padding: 14px 24px;
  text-align: center;
}
.copyright {
  font-family: var(--font-accent);
  font-size: 12px;
  color: rgba(245,230,210,0.35);
}

/* ===== ANIMATIONS ===== */
.wine-card:nth-child(1) { transition-delay: 0s; }
.wine-card:nth-child(2) { transition-delay: 0.08s; }
.wine-card:nth-child(3) { transition-delay: 0.16s; }
.wine-card:nth-child(4) { transition-delay: 0.24s; }
.wine-card:nth-child(5) { transition-delay: 0.32s; }
.wine-card:nth-child(6) { transition-delay: 0.40s; }
.wine-card:nth-child(7) { transition-delay: 0.48s; }

.health-card:nth-child(1) { transition-delay: 0s; }
.health-card:nth-child(2) { transition-delay: 0.06s; }
.health-card:nth-child(3) { transition-delay: 0.12s; }
.health-card:nth-child(4) { transition-delay: 0.18s; }
.health-card:nth-child(5) { transition-delay: 0.24s; }
.health-card:nth-child(6) { transition-delay: 0.30s; }
.health-card:nth-child(7) { transition-delay: 0.36s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 480px) {
  .hero { padding: 50px 16px 40px; }
  .hero-desc br { display: none; }
  .nav-tabs { gap: 4px; }
  .nav-tab { padding: 6px 12px; font-size: 12px; }
  .wine-card-body { padding: 16px; }
  .wine-card-specs { grid-template-columns: 1fr 1fr; }
}