/* ============================================
   AETERNA — Product Detail Page Styles
   ============================================ */

.pdp {
  padding: var(--space-4) 0 clamp(var(--space-12), 4vw, var(--space-20));
}

.pdp__layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
  align-items: start;
}

/* Image Area */
.pdp__image-area {
  position: sticky;
  top: 100px;
}

.pdp__image-main {
  aspect-ratio: 4/5;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.pdp__image-main .art-shape {
  width: 50%;
  aspect-ratio: 1;
  transition: transform 0.6s var(--ease-out);
}

.pdp__image-main:hover .art-shape {
  transform: scale(1.05);
}

/* Info Panel */
.pdp__info {
  padding-top: var(--space-4);
}

.pdp__name {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: 1.15;
  margin-bottom: var(--space-4);
}

.pdp__price-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.pdp__price {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.pdp__affirm {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.pdp__affirm strong {
  color: var(--color-text);
}

.pdp__material {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-6);
}

/* Dimensions */
.pdp__dimensions {
  display: flex;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.pdp__dim-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.pdp__dim-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.pdp__dim-value {
  font-size: var(--text-sm);
  font-weight: 500;
}

.pdp__description {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}

.pdp__divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-6) 0;
}

/* Variants */
.pdp__option-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.pdp__swatches {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

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

.pdp__swatch.active {
  border-color: var(--color-primary);
}

.pdp__swatch::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: inherit;
}

/* Quantity */
.pdp__quantity {
  margin-bottom: var(--space-6);
}

.pdp__qty-control {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: 2px;
}

.pdp__qty-control button {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  transition: all var(--transition-interactive);
}

.pdp__qty-control button:hover {
  color: var(--color-text);
  background: var(--color-primary-light);
}

.pdp__qty-control span {
  min-width: 48px;
  text-align: center;
  font-size: var(--text-base);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* Actions */
.pdp__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.pdp__add-to-cart {
  width: 100%;
  justify-content: center;
  padding: var(--space-4) var(--space-8);
  background: var(--color-primary);
  color: #FAFAF8;
  font-size: var(--text-base);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.pdp__add-to-cart:hover {
  background: var(--color-primary-hover);
  color: #FAFAF8;
}

.pdp__customize {
  width: 100%;
  justify-content: center;
  padding: var(--space-3) var(--space-8);
}

/* Shipping */
.pdp__shipping {
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: 4px;
}

.pdp__shipping-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.pdp__shipping-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-primary);
}

/* Accordion */
.pdp__accordions {
  border-top: 1px solid var(--color-border);
}

.pdp__accordion {
  border-bottom: 1px solid var(--color-border);
}

.pdp__accordion summary {
  padding: var(--space-4) 0;
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text);
  transition: color var(--transition-interactive);
}

.pdp__accordion summary::-webkit-details-marker {
  display: none;
}

.pdp__accordion summary::after {
  content: '+';
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  transition: transform 0.3s var(--ease-out);
}

.pdp__accordion[open] summary::after {
  content: '−';
}

.pdp__accordion-body {
  padding: 0 0 var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Related Products */
.related {
  padding: clamp(var(--space-12), 4vw, var(--space-20)) 0;
  background: var(--color-surface);
}

.related__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  text-align: center;
  margin-bottom: clamp(var(--space-8), 3vw, var(--space-12));
}

.related__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.related__grid .product-card {
  text-decoration: none;
  color: inherit;
  display: block;
}

/* Responsive */
@media (max-width: 1024px) {
  .related__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .pdp__layout {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .pdp__image-area {
    position: static;
  }

  .pdp__dimensions {
    gap: var(--space-4);
  }

  .related__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
}