/* Product detail pages: crawlable SEO landing pages for catalog items. */

.product-page {
  padding-top: calc(var(--nav-height) + 2rem);
}

.product-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 2.5rem;
  align-items: start;
  max-width: 1120px;
  margin: 1.5rem auto 0;
}

.product-media {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.product-main-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.product-image-fallback {
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  padding: 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
  text-align: center;
  font-weight: 700;
}

.product-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.product-thumbs img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.product-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 0.25rem;
}

.product-info h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
}

.product-price {
  margin: 0;
  color: var(--purple-bright);
  font-size: 2rem;
  font-weight: 900;
}

.product-description {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: 1rem;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.detail-label {
  margin: 0 0 0.6rem;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.color-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.color-list span {
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 0.75rem;
}

.product-note {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.55;
}

.related-products {
  padding-top: 1rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.related-card {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 0.9rem;
  align-items: center;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  padding: 0.75rem;
  transition: var(--transition);
}

.related-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

.related-card img {
  width: 92px;
  height: 92px;
  border-radius: 8px;
  object-fit: cover;
  background: var(--bg-elevated);
}

.related-card h3 {
  margin: 0 0 0.35rem;
  font-size: 0.98rem;
}

.related-card p {
  margin: 0;
  color: var(--purple-bright);
  font-weight: 800;
}

@media (max-width: 860px) {
  .product-detail-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

@media (max-width: 520px) {
  .product-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .product-thumbs {
    grid-template-columns: repeat(2, 1fr);
  }
}