.expanded-catalog{--catalog-ink:#173e55;--catalog-muted:#506576;--catalog-line:#dce5eb;--catalog-paper:#f3f6f8}.catalog-hero,.catalog-detail-hero{background:var(--catalog-paper);padding:76px 0 64px}.catalog-hero h1{font-size:clamp(38px,5.5vw,70px);line-height:1.08;letter-spacing:-.045em;max-width:900px;color:var(--catalog-ink);margin:18px 0 24px}.catalog-hero p:not(.eyebrow){max-width:740px;font-size:19px;line-height:1.7;color:var(--catalog-muted)}.catalog-hero-links{display:flex;flex-wrap:wrap;gap:16px;margin-top:28px}.catalog-hero-meta{display:flex;flex-wrap:wrap;gap:16px 32px;border-top:1px solid var(--catalog-line);padding-top:24px;margin-top:36px;color:var(--catalog-muted);font-size:14px}.catalog-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:40px}.catalog-sidebar{align-self:start;position:sticky;top:105px}.catalog-sidebar h2{font-size:15px;text-transform:uppercase;letter-spacing:.08em}.catalog-sidebar nav{display:grid;margin-top:16px}.catalog-sidebar a{display:flex;align-items:center;min-height:44px;padding:9px 12px;border-bottom:1px solid var(--catalog-line);font-size:14px;line-height:1.5;color:var(--catalog-ink);transition:background .2s}.catalog-sidebar a:hover{background:#e6edf2}.catalog-results{min-width:0}.catalog-search{border:1px solid var(--catalog-line);padding:20px 24px;margin-bottom:38px;border-radius:8px}.catalog-search label{display:block;font-weight:600;margin-bottom:8px}.catalog-search input{font:inherit;width:100%;padding:13px 15px;border:1px solid #a8b9c6;border-radius:4px;min-height:48px;background:white;color:var(--catalog-ink)}.catalog-search p{font-size:14px;color:var(--catalog-muted);margin:8px 0 0}.catalog-group{scroll-margin-top:115px;margin-bottom:55px}.catalog-section-heading{margin-bottom:24px}.catalog-section-heading h2{font-size:clamp(25px,3vw,34px);line-height:1.2;margin:8px 0 12px;letter-spacing:-.025em}.catalog-section-heading p:not(.eyebrow){color:var(--catalog-muted)}.catalog-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.catalog-card{border:1px solid var(--catalog-line);border-radius:8px;overflow:hidden;background:white;transition:border-color .2s,box-shadow .2s}.catalog-card:hover{border-color:#6b91a9;box-shadow:0 7px 22px #173e550d}.catalog-card-link{display:block;height:100%;color:inherit}.catalog-card-image{aspect-ratio:2/1;background:#f4f7fa;overflow:hidden}.catalog-card-image img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}.catalog-card-body{padding:23px}.catalog-card h3{font-size:20px;line-height:1.3;margin-bottom:12px}.catalog-card p{color:var(--catalog-muted);font-size:15px;line-height:1.6;margin-bottom:20px}.catalog-card span{font-size:14px;font-weight:600;color:var(--catalog-ink)}.catalog-cta{background:#eaf0f4;padding:32px;display:flex;gap:25px;align-items:center;justify-content:space-between;border-radius:8px;margin:36px 0}.catalog-cta .btn{flex-shrink:0}.catalog-cta h2{font-size:26px;line-height:1.25;margin:8px 0 12px}.catalog-resources{margin-top:35px}.catalog-resources .resource-download{margin:24px 0}.detail-split{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:start}.catalog-detail-hero h1{font-size:clamp(34px,4.5vw,54px);line-height:1.12;letter-spacing:-.035em;margin:16px 0 22px}.detail-lead{font-size:18px;line-height:1.7;color:var(--catalog-muted);margin-bottom:26px}.detail-split figure{margin:0}.detail-split figure img{width:100%;height:auto;border-radius:8px}.detail-split figcaption{font-size:13px;line-height:1.6;color:var(--catalog-muted);padding-top:10px}.variant-grid{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.variant-grid li{border:1px solid var(--catalog-line);padding:16px;border-radius:5px;line-height:1.5}.application-note{padding:28px;background:var(--catalog-paper);border-radius:8px}.application-note h2{font-size:23px;margin-bottom:18px}.application-note p{color:var(--catalog-muted);line-height:1.7;margin-bottom:16px}.requirement-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:25px}.requirement-grid article{background:white;border:1px solid var(--catalog-line);padding:24px;border-radius:6px}.requirement-grid span{color:#775019;font-size:14px;letter-spacing:.08em}.requirement-grid h3{font-size:17px;line-height:1.55;margin-top:18px}.related-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.related-links a{border:1px solid var(--catalog-line);padding:12px 16px;min-height:44px;border-radius:4px;color:var(--catalog-ink)}.expanded-catalog [hidden]{display:none!important}.expanded-catalog a:focus-visible,.expanded-catalog input:focus-visible{outline:3px solid #164c70;outline-offset:4px}.expanded-catalog .eyebrow{color:#566c7a;font-size:12px;font-weight:600;letter-spacing:.12em}.expanded-catalog h1,.expanded-catalog h2,.expanded-catalog h3{overflow-wrap:break-word}.catalog-cta p{line-height:1.65}.catalog-sidebar a,.catalog-card-link{cursor:pointer}@media(max-width:1000px){.catalog-layout{grid-template-columns:190px minmax(0,1fr);gap:24px}.requirement-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-split{gap:30px}.catalog-cta{display:block}.catalog-cta .btn{margin-top:18px}}@media(max-width:760px){.catalog-hero,.catalog-detail-hero{padding:42px 0}.catalog-layout,.detail-split{grid-template-columns:1fr}.catalog-sidebar{position:static}.catalog-sidebar nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.catalog-sidebar a{border:1px solid var(--catalog-line);border-radius:4px}.catalog-grid{gap:16px}.catalog-card-body{padding:18px}.catalog-card h3{font-size:18px}.catalog-card p{font-size:14px}.catalog-search{padding:18px}.catalog-hero-meta{font-size:13px}.catalog-cta{padding:24px}.catalog-detail-hero figure{max-width:620px}.catalog-group{scroll-margin-top:100px}}@media(max-width:480px){.catalog-grid{grid-template-columns:1fr}.variant-grid,.requirement-grid{grid-template-columns:1fr}.catalog-hero h1{font-size:38px}.catalog-sidebar a{font-size:13px}.catalog-card-image{aspect-ratio:2.2/1}.catalog-hero-links .btn{width:100%;text-align:center}}@media(prefers-reduced-motion:reduce){.catalog-card,.catalog-sidebar a{transition:none}}

/* Architectural catalogue cover: original vector artwork and calm industrial contrast. */
.catalog-hero{position:relative;background:#122f43;color:#fff;overflow:hidden}.catalog-hero:after{content:"";position:absolute;right:-90px;top:-15px;width:540px;height:540px;background:url("../images/catalog-expansion/steel.svg") center/contain no-repeat;opacity:.15;transform:rotate(-8deg);pointer-events:none}.catalog-hero .container{position:relative;z-index:1}.catalog-hero h1{color:#fff;max-width:790px}.catalog-hero .eyebrow{color:#bad0de}.catalog-hero p:not(.eyebrow){color:#d0dce5;max-width:680px}.catalog-hero-meta{border-color:#ffffff38;color:#c0d1dd}.catalog-hero .btn-outline{border-color:#9bb9cc;color:white}.catalog-hero .btn-primary{background:#f0ba6c;border-color:#f0ba6c;color:#173044}.catalog-hero .btn-primary:hover{background:#ffd195}.catalog-hero a:focus-visible{outline-color:#f0ba6c}@media(max-width:760px){.catalog-hero:after{width:340px;height:340px;right:-180px;top:80px;opacity:.1}}

.catalog-hero .eyebrow{color:#bad0de!important}.catalog-hero .btn-primary{background:#f0ba6c!important;color:#173044!important}.catalog-hero .btn-primary:hover{background:#ffd195!important;color:#173044!important}.catalog-hero:after{background-image:url("../images/catalog-expansion/hero-structure.svg");opacity:.35}

.home-range-link{margin-top:28px}.home-purchase-page .hero .hero-product{align-self:center}.home-purchase-page .hero h1{font-size:clamp(38px,4.7vw,64px)!important;line-height:1.12!important;letter-spacing:-.04em}.home-purchase-page .hero p{max-width:680px;line-height:1.75}.home-purchase-page #product-panel-building .hot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}@media(max-width:640px){.home-purchase-page #product-panel-building .hot-grid{grid-template-columns:1fr}.home-purchase-page .hero h1{font-size:37px!important}}

.material-reference{border-top:1px solid #dce5eb}.material-reference figure img{max-height:480px;object-fit:contain;background:#f3f6f8}.material-reference h2{margin-bottom:18px}.material-reference p{line-height:1.75;color:#506576}.selection-notes{list-style:none;padding:0;margin:24px 0}.selection-notes li{padding:18px 0;border-top:1px solid #dce5eb}.selection-notes h3{font-size:18px;margin:0 0 8px}.material-guide-link{display:inline-flex;align-items:center;min-height:44px;line-height:1.5}.material-faq details{border-bottom:1px solid #dce5eb;padding:16px 0}.material-faq summary{cursor:pointer;font-weight:600;min-height:44px;line-height:1.6;padding:10px 0}.material-faq details p{max-width:850px;line-height:1.75;padding-bottom:12px}.material-faq summary:focus-visible{outline:3px solid #164c70;outline-offset:4px}

.catalog-card-body p.catalog-image-note{font-size:12px;line-height:1.5;color:#506576;margin:0 0 12px}.catalog-reference-image img{mix-blend-mode:normal}