.product-media { min-width: 0; }
.gallery { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; background: transparent; }
.gallery img { display: block; width: 100%; height: auto; aspect-ratio: 1; border: 1px solid var(--line); background: var(--image-surface); object-fit: contain; }
.gallery .primary-image { grid-column: 1 / -1; }
.gallery .detail-image { padding: 6px; }
.product-intro { font-size: 17px; }
.product-videos { margin-top: 34px; }
.product-videos h2 { font-size: 28px; }
.product-videos video { display: block; width: 100%; max-height: 620px; margin: 14px 0; background: var(--brand); }
.product-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 24px; }
.product-tags span { padding: 6px 9px; border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--muted); background: var(--paper); font-size: 11px; }

.shipping-estimator {
  margin: clamp(70px, 8vw, 116px) 0;
  padding: clamp(28px, 4vw, 52px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--paper);
  box-shadow: 0 0 0 5px var(--surface) inset;
}
.shipping-estimator-heading { max-width: 820px; }
.shipping-estimator-heading h2 { margin: 8px 0 15px; font-size: clamp(32px, 5vw, 54px); }
.shipping-estimator-heading > p, .shipping-packaging-rule, .shipping-disclaimer, .shipping-result-note { color: var(--muted); line-height: 1.65; }
.shipping-profile-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin: 34px 0 14px; border: 1px solid var(--line); background: var(--line); }
.shipping-profile-grid > div { min-width: 0; padding: 18px; background: var(--surface); }
.shipping-profile-grid span, .shipping-profile-grid strong { display: block; }
.shipping-profile-grid span { margin-bottom: 8px; color: var(--muted); font-family: var(--font-data); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; }
.shipping-profile-grid strong { font-family: var(--font-data); font-size: 16px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.shipping-estimate-form { display: flex; align-items: end; gap: 14px; margin: 28px 0; }
.shipping-estimate-form label { display: grid; flex: 1; gap: 8px; font-weight: 750; }
.shipping-estimate-form select { width: 100%; min-height: 48px; padding: 0 14px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); color: var(--text); background: var(--surface); }
.shipping-estimate-form .button { min-height: 48px; }
.shipping-estimate-result { min-height: 84px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }
.shipping-result-summary { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 15px; }
.shipping-result-summary span { padding: 6px 9px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--paper); font-size: 11px; font-weight: 750; }
.shipping-table-wrap { overflow-x: auto; overscroll-behavior: contain; }
.shipping-table-wrap table { min-width: 720px; }
.shipping-notice strong { font-size: 18px; }
.shipping-notice.error { color: var(--red); }
.shipping-disclaimer { margin: 16px 0 0; font-size: 12px; }

.product-information {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: 1px;
  margin: clamp(70px, 8vw, 116px) 0;
  border: 1px solid var(--line);
  background: var(--line);
}
.product-information article { min-width: 0; padding: clamp(28px, 4vw, 52px); background: var(--surface); }
.product-information article:first-child { grid-column: 1 / -1; }
.product-information h2 { margin: 8px 0 18px; font-size: clamp(28px, 4vw, 44px); }
.product-information p, .product-information li { color: var(--muted); line-height: 1.75; }

@media (max-width: 900px) {
  .shipping-profile-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .shipping-estimate-form { align-items: stretch; flex-direction: column; }
  .shipping-estimate-form .button { width: 100%; }
  .product-information { grid-template-columns: 1fr; }
  .product-information article:first-child { grid-column: auto; }
}

@media (max-width: 520px) {
  .shipping-profile-grid { grid-template-columns: 1fr; }
}