/* Classen prototype — extends the approved dual-material manufacturer system. */
.classen-page {
  --classen-red: #ed151f;
  --classen-red-dark: #b80e16;
  --classen-mist: #8ba8ab;
  --classen-black: #161719;
}

.classen-page .hero__image > img { object-position: 55% 56%; }
.classen-page .hero__image::before {
  background:
    linear-gradient(90deg, rgba(4,5,6,.98) 0%, rgba(4,5,6,.88) 30%, rgba(4,5,6,.38) 57%, rgba(4,5,6,.06) 100%),
    linear-gradient(0deg, rgba(4,5,6,.64) 0%, transparent 50%);
}
.classen-page .hero__copy { max-width: 790px; }
.classen-page .hero__copy h1 { max-width: 790px; font-size: clamp(2.7rem,4.45vw,4.95rem); }
.classen-page .hero__copy h1 span { color: #fff; text-shadow: 0 0 28px rgba(237,21,31,.22); }
.classen-page .hero__brand-row { align-items: center; gap: 25px; }
.classen-page .classen-logo,
.classen-page .classen-closing__brand {
  display: inline-flex;
  width: clamp(180px,14vw,236px);
  flex: 0 0 auto;
}
.classen-page .classen-logo img,
.classen-page .classen-closing__brand img { display: block; width: 100%; height: auto; object-fit: contain; filter: drop-shadow(0 8px 22px rgba(0,0,0,.44)); }

.classen-page .classen-selector .collection-panel { padding-top: 18px; padding-bottom: 18px; align-items: stretch; }
.classen-page .classen-selector .collection-panel__desktop { overflow: hidden auto; scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.24) transparent; }
.classen-page .collection-panel__group > p { position: sticky; top: 0; z-index: 3; background: #1d1c1d; }
.classen-page .collection-panel__group > p strong { color: #eee8e3; }
.classen-page .collection-panel__group > p strong::before { background: var(--classen-red); box-shadow: 0 0 12px rgba(237,21,31,.88); }
.classen-page .collection-tab:hover,
.classen-page .collection-tab:focus-visible { background: radial-gradient(ellipse 140% 76% at 0 50%,rgba(237,21,31,.14),transparent 73%); }
.classen-page .collection-tab.is-active { background: radial-gradient(ellipse 160% 86% at 0 50%,rgba(237,21,31,.33) 0%,rgba(237,21,31,.12) 43%,rgba(237,21,31,0) 77%); }
.classen-page .decor-gallery { background: linear-gradient(135deg,#d6c19f,#8a6f52); }
.classen-page .decor-gallery > picture > img { object-position: center; }
.classen-page .technical-whisper span::before { content: "✓"; }

.classen-page .classen-advantages .pergo-advantage:nth-child(2)::after {
  position: absolute;
  right: 19px;
  bottom: 18px;
  width: 94px;
  height: 94px;
  border: 1px solid rgba(139,168,171,.16);
  border-radius: 50%;
  box-shadow: 0 0 0 20px rgba(139,168,171,.035),0 0 0 41px rgba(139,168,171,.018);
  content: "";
  pointer-events: none;
}
.classen-page .classen-single-seo { grid-template-columns: 1fr; }

.classen-page .classen-materials .product-materials__links { grid-template-columns: repeat(3,minmax(0,1fr)); }
.classen-page .classen-materials .document-card { min-width: 0; }
.classen-page .classen-materials .document-card__copy strong { font-size: .78rem; }

.classen-page .classen-sales .showroom-stage__main { min-height: 570px; }
.classen-page .classen-sales .showroom-stage__main img { object-position: center 54%; }
.classen-page .classen-sales__credit {
  position: absolute;
  right: 24px;
  bottom: 22px;
  z-index: 4;
  color: rgba(255,255,255,.78);
  font-size: .58rem;
  text-shadow: 0 2px 10px #000;
}
.classen-page .classen-closing .closing__background > img { object-position: 59% 55%; }
.classen-page .classen-closing .closing__background::after {
  background:
    linear-gradient(90deg,rgba(5,6,7,.98) 0%,rgba(5,6,7,.88) 35%,rgba(5,6,7,.31) 67%,rgba(5,6,7,.12) 100%),
    linear-gradient(0deg,rgba(5,6,7,.5),transparent 54%);
}
.classen-page .classen-closing__brand { width: 220px; margin-bottom: 30px; }

@media (min-width:1101px) {
  .classen-page .classen-selector {
    min-height: 0;
    grid-template-rows: 650px auto;
  }
  .classen-page .classen-selector .collection-panel,
  .classen-page .classen-selector .decor-gallery {
    height: 650px;
    min-height: 0;
  }
  .classen-page .classen-selector .collection-panel__desktop {
    height: 100%;
    min-height: 0;
  }
  .classen-page .classen-selector .material-panel {
    min-height: 100%;
  }
}

@media (max-width:1100px) {
  .classen-page .classen-selector,
  .classen-page .classen-selector .decor-gallery { min-height: 540px; }
  .classen-page .classen-materials .product-materials__links { grid-template-columns: 1fr; }
}

@media (max-width:760px) {
  .classen-page .hero__image > img { object-position: 57% center; }
  .classen-page .hero__image::before { background: linear-gradient(180deg,rgba(4,5,6,.97) 0%,rgba(4,5,6,.8) 58%,rgba(4,5,6,.36) 100%); }
  .classen-page .hero__copy h1 { max-width: 360px; font-size: clamp(2.05rem,10.2vw,3.05rem); line-height: .98; }
  .classen-page .hero__brand-row { display: grid; gap: 15px; }
  .classen-page .classen-logo { width: 184px; }
  .classen-page .classen-selector,
  .classen-page .classen-selector .decor-gallery { min-height: 0; }
  .classen-page .collection-picker__group > p { position: static; border-left: 3px solid var(--classen-red); background: #151517; color: #fff; }
  .classen-page .collection-picker__group > p strong { color: #fff; }
  .classen-page .classen-sales .showroom-stage__main { min-height: 420px; }
  .classen-page .classen-sales__credit { right: 16px; bottom: 14px; font-size: .51rem; }
  .classen-page .classen-closing__brand { width: 190px; margin-bottom: 25px; }
  .classen-page .classen-closing .closing__background > img { object-position: 55% center; }
}

@media (prefers-reduced-motion:reduce) {
  .classen-page .collection-tab { transition: none; }
}