/* BmIT — product detail page (Withered Hills–style) */

.product-page {
  padding-top: calc(var(--nav-h, 72px) + 1.5rem);
}

.pdp {
  min-height: 60vh;
}

.pdp__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  padding-bottom: clamp(3rem, 8vw, 5rem);
}

.pdp__gallery-stage {
  position: relative;
  background: var(--bg-soft, #fafafa);
  aspect-ratio: 4 / 5;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  touch-action: pan-y;
}

.pdp__gallery-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.35s ease;
}

.pdp__gallery-img--zoom {
  transform: scale(1.12);
  object-fit: cover;
}

.pdp__gallery-nav {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.35rem 0.5rem;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--border, #e8e8e8);
  border-radius: 999px;
}

.pdp__gallery-arrow {
  width: 2rem;
  height: 2rem;
  border: none;
  background: transparent;
  color: var(--text, #111);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.pdp__gallery-arrow:hover,
.pdp__gallery-arrow:focus-visible {
  opacity: 0.55;
}

.pdp__gallery-ticks {
  display: flex;
  gap: 0.35rem;
  align-items: center;
}

.pdp__gallery-tick {
  width: 1.25rem;
  height: 2px;
  background: var(--border, #e8e8e8);
  transition: background 0.2s ease;
}

.pdp__gallery-tick.is-active {
  background: var(--text, #111);
}

.pdp__thumbs {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  scrollbar-width: none;
}

.pdp__thumbs::-webkit-scrollbar {
  display: none;
}

.pdp__thumb {
  flex: 0 0 4.5rem;
  width: 4.5rem;
  height: 5.5rem;
  padding: 0;
  border: 1px solid var(--border, #e8e8e8);
  background: var(--bg-soft, #fafafa);
  cursor: pointer;
  overflow: hidden;
  opacity: 0.55;
  transition: opacity 0.2s ease, border-color 0.2s ease;
}

.pdp__thumb.is-active {
  opacity: 1;
  border-color: var(--text, #111);
}

.pdp__thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.pdp__back-link {
  display: inline-block;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted, #6b6b6b);
  text-decoration: none;
  margin-bottom: 1.25rem;
}

.pdp__back-link:hover {
  color: var(--text, #111);
}

.pdp__title {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.35;
  margin: 0 0 1.5rem;
}

.pdp__details {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
}

.pdp__details li {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted, #6b6b6b);
  line-height: 1.7;
}

.pdp__details li::before {
  content: '· ';
  color: var(--text-faint, #9a9a9a);
}

.pdp__model-note {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint, #9a9a9a);
  margin: 0 0 1.75rem;
}

.pdp__sizes-label {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted, #6b6b6b);
  margin: 0 0 0.65rem;
}

.pdp__sizes-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.5rem;
}

.pdp__size-chip {
  min-width: 2.75rem;
  height: 2.5rem;
  padding: 0 0.85rem;
  border: 1px solid var(--border-strong, #111);
  background: transparent;
  color: var(--text, #111);
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.pdp__size-chip:hover:not(:disabled):not(.is-selected) {
  background: var(--bg-soft, #fafafa);
}

.pdp__size-chip.is-selected {
  background: var(--text, #111);
  color: var(--bg, #fff);
}

.pdp__size-chip--sold {
  opacity: 0.35;
  cursor: not-allowed;
  text-decoration: line-through;
}

.pdp__add-btn {
  display: block;
  width: 100%;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border-strong, #111);
  background: var(--text, #111);
  color: var(--bg, #fff);
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity 0.2s ease;
  margin-bottom: 1.75rem;
}

.pdp__add-btn:hover:not(:disabled) {
  opacity: 0.85;
}

.pdp__add-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.pdp__shipping {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--border, #e8e8e8);
  padding-top: 1.25rem;
}

.pdp__shipping li {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint, #9a9a9a);
  line-height: 1.75;
}

.pdp-related {
  border-top: 1px solid var(--border, #e8e8e8);
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(3rem, 8vw, 5rem);
}

.pdp-related__title {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 1.75rem;
}

.pdp-related__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1rem, 3vw, 1.75rem);
}

.pdp-related__card {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pdp-related__media {
  aspect-ratio: 4 / 5;
  background: var(--bg-soft, #fafafa);
  overflow: hidden;
}

.pdp-related__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.35s ease;
}

.pdp-related__card:hover .pdp-related__media img {
  transform: scale(1.03);
}

.pdp-related__name {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.4;
}

.pdp-related__price {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.72rem;
  color: var(--text-muted, #6b6b6b);
}

.pdp__not-found {
  text-align: center;
  padding: 4rem 1.5rem;
  font-family: var(--font-body, 'Inter', sans-serif);
  color: var(--text-muted, #6b6b6b);
}

.hidden {
  display: none !important;
}

@media (max-width: 900px) {
  .pdp__layout {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .pdp__info {
    order: 2;
  }

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

@media (max-width: 480px) {
  .product-page {
    padding-top: calc(var(--nav-h, 72px) + 0.75rem);
  }

  .pdp-related__grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}