/* Compact catalogue scenes share one transparent, viewport-sized WebGL canvas. */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.catalog-hero { padding-block: 69px 63px; }
.catalog-hero .eyebrow { margin-bottom: 23px; }
.catalog-hero h1 { font-size: clamp(46px, 5.5vw, 76px); line-height: 1.09; max-width: 1060px; margin-bottom: 28px; }
.catalog-description { max-width: 820px; font-size: 16px; line-height: 1.85; }
.catalog-section { padding-bottom: 90px; }
.catalog-intro { display: grid; grid-template-columns: 1fr 1.5fr; gap: 70px; align-items: start; border-top: 1px solid var(--line); padding-top: 43px; }
.catalog-intro h2 { font-size: clamp(32px, 3vw, 43px); }
.catalog-intro p { font-size: 15px; line-height: 1.85; }
.catalog-guide { display: flex; align-items: center; justify-content: space-between; gap: 25px; margin-block: 33px 28px; }
.category-key { display: flex; gap: 24px; }
.category-key > span { display: inline-flex; align-items: center; gap: 8px; font-size: 11px; color: var(--ink); }
.category-key .icon { width: 17px; height: 17px; color: var(--red); }
.catalog-interaction-hint { font-size: 11px; color: var(--muted); }
.touch-hint { display: none; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px 22px; }
.product-card { min-width: 0; border: 1px solid var(--line); background: var(--page); scroll-margin-top: 112px; }
.product-topline { display: flex; align-items: center; justify-content: space-between; height: 49px; padding-inline: 22px; }
.product-id { font-size: 10px; letter-spacing: .045em; color: var(--muted); }
.product-id:hover { color: var(--red); }
.product-categories { display: flex; gap: 10px; color: var(--red); }
.product-categories > span { display: inline-flex; }
.product-categories .icon { width: 17px; height: 17px; }
.product-stage { position: relative; height: 310px; background: #e2e4e1; user-select: none; -webkit-user-select: none; }
.product-stage[role="button"] { cursor: grab; }
.product-stage[role="button"]:active { cursor: grabbing; }
.product-stage:focus-visible { outline-offset: -3px; }
.product-fallback { width: 100%; height: 100%; object-fit: contain; padding: 10px; }
.product-stage[data-state="ready"] .product-fallback, .product-stage[data-state="ready"] .product-stage-note { visibility: hidden; }
.product-labels { position: absolute; inset: 0; pointer-events: none; z-index: 3; }
.product-part-label { position: absolute; top: 0; left: 0; padding: 3px 6px; color: #252c28; background: #ffffffef; border-left: 2px solid var(--red); box-shadow: 0 2px 7px #171a1812; font: 10px/1.35 var(--sans); white-space: nowrap; opacity: 0; transition: opacity .16s; }
.product-stage[data-explosion="expanded"] .product-part-label { opacity: 1; }
.product-stage-note { position: absolute; bottom: 12px; left: 14px; font-size: 9px; color: #626961; }
.product-copy { padding: 24px 22px 29px; }
.product-copy h3 { font: 400 25px/1.2 var(--display); letter-spacing: -.01em; margin-bottom: 13px; overflow-wrap: anywhere; }
.product-copy p { font-size: 14px; line-height: 1.85; }
.product-stage-pending { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 19px; color: #727970; font-size: 11px; background-image: linear-gradient(#cbd0c733 1px, transparent 1px), linear-gradient(90deg, #cbd0c733 1px, transparent 1px); background-size: 22px 22px; }
.model-placeholder { display: grid; place-items: center; width: 66px; height: 66px; border: 1px dashed #a4ada0; }
.model-placeholder .icon { width: 31px; height: 31px; stroke-width: 1; }
.catalog-canvas { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 2; pointer-events: none; }
@media (max-width: 1100px) {
  .catalog-intro { gap: 35px; }
  .product-grid { gap: 22px 16px; }
  .product-stage { height: 290px; }
  .product-copy { padding-inline: 19px; }
  .catalog-guide { align-items: flex-start; flex-direction: column; gap: 15px; }
}
@media (max-width: 800px) {
  .catalog-hero { padding-block: 43px; }
  .catalog-hero h1 { font-size: clamp(43px, 7vw, 60px); }
  .catalog-section { padding-bottom: 65px; }
  .catalog-intro { grid-template-columns: 1fr; gap: 20px; padding-top: 33px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-stage { height: 300px; }
  .product-card { scroll-margin-top: 90px; }
}
@media (max-width: 560px) {
  .product-grid { grid-template-columns: 1fr; gap: 22px; }
  .product-stage { height: 310px; }
  .product-copy h3 { font-size: 28px; }
  .product-copy { padding: 23px 24px 28px; }
  .catalog-description { font-size: 15px; }
  .category-key { gap: 20px; }
}
@media (hover: none) {
  .touch-hint { display: block; }
}
@media (prefers-reduced-motion: reduce) {
  .product-part-label { transition: none; }
}