/* Metal supply presentation: existing navy/cyan identity, warm metallic detail. */
.sheet-metal-detail{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:start;gap:48px 50px;}
.sheet-metal-detail .product-path{margin-bottom:0;}
.sheet-intro{align-self:center;}
.sheet-intro .section-kicker{font-size:11px;letter-spacing:.12em;line-height:1.6;}
.sheet-intro.detail-copy h1{font-size:clamp(38px,4.1vw,58px);line-height:1.06;letter-spacing:-.035em;}
.sheet-intro-tagline{font-size:21px;line-height:1.45;color:#7b5d37;margin:25px 0 18px;}
.sheet-intro .detail-lead{font-size:16px;line-height:1.8;}
.sheet-category-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:23px;}
.sheet-category-tags span{font-size:12px;line-height:1.5;padding:8px 12px;border:1px solid #cedde4;background:#f5f8fa;color:#274e60;}
.sheet-intro .detail-actions{flex-wrap:wrap;align-items:center;gap:22px;}
.sheet-text-link{font-size:14px;line-height:1.5;color:#1c647a;text-decoration:underline;text-underline-offset:5px;}
.sheet-gallery{background:#f2f4f3;border:1px solid #d9e1e4;padding:20px;min-width:0;}
.sheet-gallery-header{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:17px;}
.sheet-gallery-header h2{font-size:14px;line-height:1.4;color:#244c60;margin:0;}
.sheet-gallery-header>span{font-size:9px;letter-spacing:.16em;color:#6d7474;}
.sheet-image-button{position:relative;display:block;width:100%;padding:0;border:0;background:#eef0ee;cursor:zoom-in;overflow:hidden;}
.sheet-image-button>img{width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;transition:transform .35s;}
.sheet-image-button:hover>img{transform:scale(1.018);}
.sheet-enlarge{position:absolute;bottom:14px;right:14px;font-size:12px;font-weight:650;color:white;background:#0b293de6;padding:9px 12px;line-height:1.5;}
.sheet-view-switch{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:15px;}
.sheet-view-switch button{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid #cbd8dc;color:#426172;text-align:left;cursor:pointer;font:inherit;font-size:12px;line-height:1.4;padding:8px;}
.sheet-view-switch button[aria-pressed=true]{border-color:#167e96;box-shadow:inset 0 0 0 1px #167e96;color:#0b4960;}
.sheet-view-switch button>img{width:68px;height:46px;object-fit:contain;flex-shrink:0;}
.sheet-gallery-note{font-size:12px;line-height:1.6;color:#657783;margin:14px 0 0;}
.sheet-supply-range,.sheet-selection{grid-column:1/-1;scroll-margin-top:105px;border-top:1px solid #d3e1e7;padding-top:44px;}
.sheet-section-heading{display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center;margin-bottom:25px;}
.sheet-section-heading h2{font-size:clamp(28px,3vw,38px);line-height:1.16;letter-spacing:-.025em;color:#0a2c3f;margin:0;}
.sheet-section-heading>p{font-size:15px;line-height:1.7;color:#627585;margin:0;}
.sheet-range-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.sheet-range-grid article{padding:32px;display:flex;flex-direction:column;align-items:flex-start;min-width:0;}
.sheet-range-standard{background:#0b2d41;color:#fff;}
.sheet-range-decorative{background:#f6f3ed;border:1px solid #e1d9ca;color:#183848;}
.sheet-material-mark{font-size:13px;letter-spacing:.12em;color:#8dd7e7;height:30px;}
.sheet-range-grid h3{font-size:24px;line-height:1.3;margin:17px 0;}
.sheet-range-grid p{font-size:15px;line-height:1.8;margin:0 0 30px;max-width:480px;}
.sheet-range-standard p{color:#bfd0dc;}
.sheet-range-decorative p{color:#586d76;}
.sheet-range-grid a{display:flex;justify-content:space-between;gap:25px;width:100%;border-top:1px solid #6b8b9a66;padding-top:17px;font-size:14px;font-weight:650;line-height:1.5;margin-top:auto;text-decoration:underline;text-underline-offset:5px;}
.sheet-range-standard a{color:#9ae4f0;}
.sheet-range-decorative a{color:#4f4b38;}
.sheet-surface-strip{display:flex;gap:7px;height:30px;}
.sheet-surface-strip i{display:block;width:30px;background:linear-gradient(125deg,#9f7c42,#e5d1a1,#9d7a3e);}
.sheet-surface-strip i:nth-child(2){background:linear-gradient(125deg,#b7bec2,#f6f7f7,#8e9b9f);}
.sheet-surface-strip i:nth-child(3){background:linear-gradient(125deg,#3a5e6a,#99b5b3,#3b626c);}
.sheet-surface-strip i:nth-child(4){background:linear-gradient(125deg,#7c5144,#d4ad94,#8f6353);}
.sheet-spec-note{font-size:12px;line-height:1.8;color:#6d7d87;margin:20px 0 0;max-width:1000px;}
.sheet-selection-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid #d2dfe7;margin:0;}
.sheet-selection-grid>div{padding:25px 22px;}
.sheet-selection-grid>div+div{border-left:1px solid #d2dfe7;}
.sheet-selection-grid dt{color:#0d435b;font-size:15px;font-weight:700;line-height:1.5;}
.sheet-selection-grid dd{color:#627786;font-size:14px;line-height:1.7;margin:12px 0 0;}
.sheet-selection .detail-actions{flex-wrap:wrap;align-items:center;gap:25px;}
.sheet-lightbox{max-width:1100px;width:calc(100vw - 36px);max-height:92dvh;border:0;padding:20px;background:#f4f6f4;color:#14364b;}
.sheet-lightbox::backdrop{background:#041723d9;}
.sheet-lightbox-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:12px;}
.sheet-lightbox h2{font-size:18px;margin:0;line-height:1.4;}
.sheet-lightbox button{border:1px solid #b5c7cf;background:#fff;color:#153d51;cursor:pointer;font-size:25px;width:44px;height:44px;}
.sheet-lightbox>img{width:100%;max-height:calc(92dvh - 145px);object-fit:contain;}
.sheet-lightbox>p{font-size:12px;line-height:1.5;margin-bottom:0;}
.sheet-gallery button:focus-visible,.sheet-lightbox button:focus-visible{outline:3px solid #20a2c0;outline-offset:3px;}
.sheet-home{background:#edf2f4;border-top:1px solid #d4e0e6;padding:70px 0;}
.sheet-home-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center;}
.sheet-home-copy h2{font-size:clamp(32px,3.5vw,47px);line-height:1.1;letter-spacing:-.025em;color:#092c40;margin:16px 0 24px;}
.sheet-home-copy>p:not(.section-kicker){font-size:16px;line-height:1.8;color:#526f81;margin:0 0 28px;}
.sheet-home-image{display:block;padding:15px;background:#e4e9e7;border:1px solid #cad5d6;}
.sheet-home-image img{width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;}
@media(max-width:1000px){.sheet-metal-detail{gap:40px 30px;}.sheet-selection-grid{grid-template-columns:1fr 1fr;}.sheet-selection-grid>div:nth-child(3){border-left:0;}.sheet-selection-grid>div:nth-child(n+3){border-top:1px solid #d2dfe7;}.sheet-home-grid{gap:35px;}}
@media(max-width:860px){.sheet-metal-detail,.sheet-home-grid{grid-template-columns:1fr;}.sheet-gallery{max-width:720px;width:100%;}.sheet-intro{max-width:750px;}.sheet-intro.detail-copy h1{font-size:44px;}.sheet-home{padding:45px 0;}.sheet-home-image{max-width:720px;}}
@media(max-width:560px){.sheet-section-heading,.sheet-range-grid,.sheet-selection-grid{grid-template-columns:1fr;gap:20px;}.sheet-section-heading{gap:15px;}.sheet-gallery{padding:12px;}.sheet-view-switch button{flex-direction:column;align-items:flex-start;font-size:12px;}.sheet-view-switch button>img{width:80px;height:53px;}.sheet-gallery-header>span{display:none;}.sheet-enlarge{right:9px;bottom:9px;padding:7px;font-size:11px;}.sheet-range-grid article{padding:26px;}.sheet-selection-grid{gap:0;}.sheet-selection-grid>div+div{border-left:0;border-top:1px solid #d2dfe7;}.sheet-intro.detail-copy h1{font-size:36px;}.sheet-intro-tagline{font-size:19px;}.sheet-metal-detail .detail-actions{align-items:stretch;}.sheet-supply-range,.sheet-selection{padding-top:32px;}}
@media(prefers-reduced-motion:reduce){.sheet-image-button>img{transition:none;}}