/* ==========================================================================
   PRODUCT DETAIL PAGE — Lanyard Medan
   Palette: Crimson (#9E0C17) on White & Dark Slate (#0f172a)
   ========================================================================== */

:root {
  --detail-crimson: #9E0C17;
  --detail-crimson-hover: #800a12;
  --detail-crimson-soft: #fff5f5;
  --detail-crimson-border: #fee2e2;
  --detail-ink: #0f172a;
  --detail-slate: #334155;
  --detail-muted: #475569;
  --detail-subtle: #64748b;
  --detail-border: #e8e8e8;
  --detail-border-hover: #cbd5e1;
  --detail-line: #f1f5f9;
  --detail-bg: #ffffff;
  --detail-surface: #fafafa;
  --detail-surface-alt: #f8fafc;
}

.product-detail-page,
.product-detail-page *,
.product-detail-page *::before,
.product-detail-page *::after {
  box-sizing: border-box;
}

.product-detail-page {
  background: var(--detail-bg);
  color: var(--detail-ink);
  overflow-x: hidden;
  font-family: inherit;
}

/* --------------------------------------------------------------------------
   1. BREADCRUMBS & TOP NAV
   -------------------------------------------------------------------------- */
.product-detail__breadcrumb-section {
  background: #ffffff;
  border-bottom: 1px solid var(--detail-line);
  padding: 16px 0;
}

.product-detail__breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13.5px;
  color: var(--detail-subtle);
}

.product-detail__breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.product-detail__breadcrumb a {
  color: var(--detail-muted);
  text-decoration: none;
  transition: color 160ms ease;
}

.product-detail__breadcrumb a:hover {
  color: var(--detail-crimson);
}

.product-detail__breadcrumb-separator {
  color: var(--detail-border);
  font-size: 14px;
}

.product-detail__breadcrumb-current {
  color: var(--detail-ink);
  font-weight: 750;
}

/* --------------------------------------------------------------------------
   2. HERO MARKETPLACE (2-COLUMN GRID)
   -------------------------------------------------------------------------- */
.product-detail__hero {
  background: #ffffff;
  padding: clamp(36px, 5vw, 64px) 0 clamp(48px, 6vw, 72px);
  border-bottom: 1px solid var(--detail-line);
}

.product-detail__marketplace {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: clamp(36px, 5vw, 64px);
  align-items: start;
}

/* Media Column */
.product-detail__media {
  position: sticky;
  top: 92px;
}

.product-detail__gallery-frame {
  position: relative;
  border-radius: 24px;
  border: 1px solid var(--detail-border);
  overflow: hidden;
  background: var(--detail-surface-alt);
  box-shadow: 0 12px 32px rgb(15 23 42 / 0.06);
  aspect-ratio: 4 / 3;
}

.product-detail__gallery-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 360ms cubic-bezier(0.16, 1, 0.3, 1);
}

.product-detail__gallery-frame:hover img {
  transform: scale(1.03);
}

.product-detail__category-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  border-radius: 9999px;
  padding: 6px 14px;
  background: rgb(15 23 42 / 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.product-detail__media-trust {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 16px;
  margin-top: 20px;
  padding: 14px 20px;
  background: var(--detail-surface);
  border: 1px solid var(--detail-border);
  border-radius: 16px;
}

.product-detail__media-trust-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 750;
  color: var(--detail-slate);
}

.product-detail__media-trust-item svg {
  width: 18px;
  height: 18px;
  color: var(--detail-crimson);
  flex-shrink: 0;
}

/* Purchase Column */
.product-detail__purchase {
  display: flex;
  flex-direction: column;
}

.product-detail__meta-tags {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.product-detail__sku-pill {
  display: inline-flex;
  padding: 4px 10px;
  background: var(--detail-line);
  border-radius: 6px;
  color: var(--detail-slate);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.product-detail__status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 9999px;
  background: var(--detail-crimson-soft);
  border: 1px solid var(--detail-crimson-border);
  color: var(--detail-crimson);
  font-size: 12px;
  font-weight: 800;
}

.product-detail__status-pill svg {
  width: 14px;
  height: 14px;
}

.product-detail__title {
  margin: 0 0 14px;
  color: var(--detail-ink);
  font-size: clamp(1.85rem, 3.2vw, 2.6rem);
  font-weight: 850;
  letter-spacing: -0.035em;
  line-height: 1.2;
}

.product-detail__summary {
  margin: 0 0 24px;
  color: var(--detail-muted);
  font-size: 15.5px;
  line-height: 1.68;
}

/* Price Box */
.product-detail__price-card {
  display: flex;
  flex-direction: column;
  background: var(--detail-surface);
  border: 1px solid var(--detail-border);
  border-radius: 18px;
  padding: 20px 24px;
  margin-bottom: 28px;
}

.product-detail__price-label {
  font-size: 12.5px;
  font-weight: 750;
  color: var(--detail-subtle);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.product-detail__price-value {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 850;
  color: var(--detail-crimson);
  letter-spacing: -0.02em;
}

.product-detail__price-note {
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--detail-muted);
}

/* Quick Specs DL */
.product-detail__quick-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 0 0 32px;
  padding: 0;
}

.product-detail__quick-item {
  background: #ffffff;
  border: 1px solid var(--detail-border);
  border-radius: 14px;
  padding: 14px 16px;
}

.product-detail__quick-item dt {
  font-size: 12px;
  font-weight: 700;
  color: var(--detail-subtle);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.product-detail__quick-item dd {
  margin: 0;
  font-size: 14.5px;
  font-weight: 800;
  color: var(--detail-ink);
  line-height: 1.35;
}

/* CTA Actions */
.product-detail__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.product-detail__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 26px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: all 180ms ease;
}

.product-detail__btn--primary {
  background: var(--detail-crimson);
  border: 1.5px solid var(--detail-crimson);
  color: #ffffff;
  box-shadow: 0 4px 18px rgb(158 12 23 / 0.25);
}

.product-detail__btn--primary:hover {
  background: var(--detail-crimson-hover);
  border-color: var(--detail-crimson-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgb(158 12 23 / 0.35);
}

.product-detail__btn--secondary {
  background: #ffffff;
  border: 1.5px solid var(--detail-border);
  color: var(--detail-ink);
}

.product-detail__btn--secondary:hover {
  border-color: var(--detail-crimson);
  color: var(--detail-crimson);
  background: var(--detail-crimson-soft);
  transform: translateY(-2px);
}

.product-detail__btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
}

.product-detail__btn-icon svg {
  width: 100%;
  height: 100%;
}

.product-detail__guarantee-note {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--detail-muted);
  font-size: 13px;
  line-height: 1.5;
}

.product-detail__guarantee-note svg {
  width: 16px;
  height: 16px;
  color: var(--detail-crimson);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   3. DOSSIER & SPECIFICATIONS SECTION
   -------------------------------------------------------------------------- */
.product-detail__dossier {
  background: var(--detail-surface);
  padding: clamp(56px, 7vw, 88px) 0;
  border-bottom: 1px solid var(--detail-line);
}

.product-detail__dossier-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: clamp(36px, 5vw, 64px);
  align-items: start;
}

/* Description Article */
.product-detail__article {
  background: #ffffff;
  border: 1px solid var(--detail-border);
  border-radius: 24px;
  padding: clamp(28px, 4vw, 40px);
  box-shadow: 0 4px 20px rgb(15 23 42 / 0.03);
}

.product-detail__section-eyebrow {
  margin: 0 0 8px;
  color: var(--detail-crimson);
  font-size: 12.5px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-detail__section-title {
  margin: 0 0 20px;
  color: var(--detail-ink);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 850;
  letter-spacing: -0.03em;
  line-height: 1.25;
}

.product-detail__prose {
  color: var(--detail-slate);
  font-size: 15px;
  line-height: 1.75;
}

.product-detail__prose p {
  margin: 0 0 16px;
}

.product-detail__prose p:last-child {
  margin-bottom: 0;
}

.product-detail__prose h3 {
  margin: 24px 0 10px;
  color: var(--detail-ink);
  font-size: 18px;
  font-weight: 800;
}

.product-detail__prose ul {
  margin: 0 0 16px;
  padding-left: 20px;
}

.product-detail__prose li {
  margin-bottom: 6px;
}

/* Technical Sidebar Cards */
.product-detail__sidebar-cards {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.product-detail__info-card {
  background: #ffffff;
  border: 1px solid var(--detail-border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 4px 20px rgb(15 23 42 / 0.03);
}

.product-detail__info-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--detail-line);
}

.product-detail__info-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--detail-crimson-soft);
  border: 1px solid var(--detail-crimson-border);
  color: var(--detail-crimson);
  flex-shrink: 0;
}

.product-detail__info-card-icon svg {
  width: 20px;
  height: 20px;
}

.product-detail__info-card-title {
  margin: 0;
  color: var(--detail-ink);
  font-size: 16.5px;
  font-weight: 850;
  letter-spacing: -0.02em;
}

.product-detail__spec-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-detail__spec-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--detail-slate);
  line-height: 1.5;
}

.product-detail__spec-item svg {
  width: 18px;
  height: 18px;
  color: var(--detail-crimson);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Order Workflow Card */
.product-detail__workflow-card {
  background: var(--detail-ink);
  color: #ffffff;
  border-radius: 20px;
  padding: 26px;
}

.product-detail__workflow-header {
  margin-bottom: 20px;
}

.product-detail__workflow-header p {
  margin: 0 0 6px;
  color: #fca5a5;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-detail__workflow-header h4 {
  margin: 0;
  color: #ffffff;
  font-size: 18px;
  font-weight: 850;
  letter-spacing: -0.02em;
}

.product-detail__workflow-steps {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-detail__workflow-step {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.product-detail__workflow-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  font-size: 13px;
  font-weight: 850;
}

.product-detail__workflow-text {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   4. RELATED PRODUCTS SECTION
   -------------------------------------------------------------------------- */
.product-detail__related {
  background: #ffffff;
  padding: clamp(56px, 7vw, 88px) 0;
}

.product-detail__related-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(36px, 5vw, 48px);
}

.product-detail__related-eyebrow {
  margin: 0 0 8px;
  color: var(--detail-crimson);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product-detail__related-title {
  margin: 0;
  color: var(--detail-ink);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 850;
  letter-spacing: -0.035em;
}

.product-detail__related-all-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 9999px;
  background: #ffffff;
  border: 1.5px solid var(--detail-border);
  color: var(--detail-ink);
  font-size: 13.5px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
  transition: all 180ms ease;
  flex-shrink: 0;
}

.product-detail__related-all-link:hover {
  border-color: var(--detail-crimson);
  color: var(--detail-crimson);
  transform: translateY(-1px);
}

.product-detail__related-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(20px, 2.5vw, 28px);
  list-style: none;
  padding: 0;
  margin: 0;
}

.product-detail__related-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border: 1px solid var(--detail-border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 18px rgb(15 23 42 / 0.04);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.product-detail__related-card:hover {
  transform: translateY(-4px);
  border-color: var(--detail-border-hover);
  box-shadow: 0 14px 32px rgb(15 23 42 / 0.08);
}

.product-detail__related-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.product-detail__related-thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--detail-surface-alt);
  margin: 0;
}

.product-detail__related-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 360ms cubic-bezier(0.16, 1, 0.3, 1);
}

.product-detail__related-card:hover .product-detail__related-thumb img {
  transform: scale(1.04);
}

.product-detail__related-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  border-radius: 6px;
  padding: 4px 10px;
  background: rgb(15 23 42 / 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.product-detail__related-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 18px 20px;
}

.product-detail__related-card-title {
  margin: 0 0 8px;
  color: var(--detail-ink);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.35;
  transition: color 160ms ease;
}

.product-detail__related-card:hover .product-detail__related-card-title {
  color: var(--detail-crimson);
}

.product-detail__related-desc {
  margin: 0 0 16px;
  color: var(--detail-muted);
  font-size: 13.5px;
  line-height: 1.55;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-detail__related-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--detail-line);
}

.product-detail__related-price {
  font-size: 14px;
  font-weight: 850;
  color: var(--detail-crimson);
}

.product-detail__related-action {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--detail-ink);
  font-size: 13px;
  font-weight: 800;
  transition: color 160ms ease;
}

.product-detail__related-card:hover .product-detail__related-action {
  color: var(--detail-crimson);
}

/* --------------------------------------------------------------------------
   5. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .product-detail__related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .product-detail__marketplace {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .product-detail__media {
    position: static;
  }

  .product-detail__dossier-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 640px) {
  .product-detail__hero {
    padding: 32px 0 40px;
  }

  .product-detail__title {
    font-size: clamp(1.75rem, 7vw, 2.2rem);
  }

  .product-detail__media-trust {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 16px;
  }

  .product-detail__quick-specs {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .product-detail__actions {
    gap: 10px;
  }

  .product-detail__btn {
    width: 100%;
    justify-content: center;
  }

  .product-detail__related-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .product-detail__related-all-link {
    width: 100%;
    justify-content: center;
  }

  .product-detail__related-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .product-detail-page *,
  .product-detail-page *::before,
  .product-detail-page *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}