.product-page {
  padding-bottom: 60px;
}

.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.product-gallery {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
}

.gallery-thumbs {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.gallery-thumb {
  width: 80px;
  height: 80px;
  border: 1px solid var(--border-dark);
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--transition);
}

.gallery-thumb.active,
.gallery-thumb:hover {
  border-color: var(--gold);
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-main {
  position: relative;
  aspect-ratio: 3/4;
  background: var(--bg-elevated);
  overflow: hidden;
}

.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-zoom {
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.5);
  cursor: pointer;
}

.product-info .series {
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.product-info h1 {
  font-family: var(--font-serif);
  font-size: 36px;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.product-info .tagline {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

.feature-icons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-dark);
}

.feature-icon-item {
  text-align: center;
}

.feature-icon-item img {
  width: 24px;
  height: 24px;
  margin: 0 auto 8px;
}

.feature-icon-item span {
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
  display: block;
}

.compat-text {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.option-group {
  margin-bottom: 24px;
}

.option-group label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.toggle-btns {
  display: flex;
  gap: 12px;
}

.toggle-btn {
  padding: 10px 24px;
  font-size: 11px;
  letter-spacing: 0.1em;
  border: 1px solid var(--border-dark);
  text-transform: uppercase;
  transition: all var(--transition);
}

.toggle-btn.active {
  background: var(--gold);
  color: var(--bg-black);
  border-color: var(--gold);
}

.swatch-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.color-swatch {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.color-swatch.active {
  border-color: var(--gold);
  box-shadow: 0 0 0 2px var(--bg-black), 0 0 0 4px var(--gold);
}

.color-swatch.carbon { background: repeating-linear-gradient(45deg, #222, #222 2px, #333 2px, #333 4px); }
.color-swatch.black { background: #1a1a1a; }
.color-swatch.grey { background: #666; }
.color-swatch.white { background: #eee; }
.color-swatch.silver { background: linear-gradient(135deg, #ccc, #999); }
.color-swatch.tan { background: #c4a574; }
.color-swatch.navy { background: #1a2744; }

.product-price {
  font-size: 28px;
  font-weight: 400;
  margin-bottom: 4px;
}

.product-price-note {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.purchase-row {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.qty-selector {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-dark);
}

.qty-btn {
  width: 40px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-muted);
}

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

.qty-value {
  width: 40px;
  text-align: center;
  font-size: 14px;
}

.add-cart-btn {
  flex: 1;
}

.wishlist-btn {
  width: 48px;
  height: 48px;
  border: 1px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

.wishlist-btn img { width: 18px; height: 18px; }
.wishlist-btn.active { border-color: var(--gold); }

.trust-badges {
  display: flex;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-dark);
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.trust-badge img { width: 16px; height: 16px; opacity: 0.7; }

.product-tabs {
  margin-top: 60px;
  border-top: 1px solid var(--border-dark);
  padding-top: 32px;
}

.tab-nav {
  display: flex;
  gap: 32px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-dark);
}

.tab-nav button {
  padding: 12px 0;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--transition);
}

.tab-nav button.active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.tab-panel {
  display: none;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  max-width: 800px;
}

.tab-panel.active { display: block; }

@media (max-width: 1024px) {
  .product-layout { grid-template-columns: 1fr; gap: 40px; }
  .feature-icons { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .product-gallery { grid-template-columns: 1fr; }
  .gallery-thumbs { flex-direction: row; overflow-x: auto; }
  .gallery-thumb { flex-shrink: 0; }
  .purchase-row { flex-wrap: wrap; }
}