:root{--ink:#13202b;--muted:#607180;--line:#dce5eb;--brand:#b4232f;--blue:#075ac8;--nav:#0d1821;--nav2:#142532;--soft:#f4f7f9;--gold:#d59a00;--green:#0a875b;--max:1240px;--shadow:0 18px 50px #0d182119}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Arial,sans-serif;background:#fff}a{color:inherit}img{max-width:100%;height:auto}button,input{font:inherit}
.site-header{position:sticky;top:0;z-index:100;background:var(--nav);color:#fff;box-shadow:0 3px 16px #0004}.header-inner{width:min(var(--max),calc(100% - 32px));min-height:78px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;flex:0 0 auto;text-decoration:none}.brand img{display:block;width:250px;height:auto;max-height:62px;object-fit:contain;object-position:left center}.topnav{display:flex;align-items:center;justify-content:flex-end;gap:4px;min-width:0}.topnav>a,.mega>summary{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:8px;color:#fff;font-size:14px;font-weight:760;text-decoration:none;white-space:nowrap;cursor:pointer}.topnav>a:hover,.mega>summary:hover,.mega[open]>summary{background:#ffffff13;color:#7eb5ff}.mega>summary{list-style:none}.mega>summary::-webkit-details-marker{display:none}.mega>summary:after{content:"⌄";margin-left:7px}.mega-panel{position:fixed;top:78px;left:50%;transform:translateX(-50%);width:min(1120px,calc(100vw - 32px));display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding:24px;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:0 0 18px 18px;box-shadow:0 28px 70px #0005}.mega:not([open]) .mega-panel{display:none}.quality-panel{grid-template-columns:repeat(3,minmax(0,1fr));max-width:900px}.mega-panel section{padding:0;border:0;min-width:0}.mega-panel h2{margin:0 0 10px;padding-bottom:9px;border-bottom:2px solid var(--brand);color:var(--brand);font-size:16px}.mega-panel a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:7px 8px;border-radius:6px;color:var(--ink);font-size:13.5px;text-decoration:none}.mega-panel a:hover{background:var(--soft);color:var(--blue)}.mega-panel a span{color:var(--brand);font-weight:900}.nav-wa{margin-left:8px!important;padding:0 18px!important;background:#17c969!important;color:#fff!important;border-radius:999px!important}.nav-toggle{display:none;background:transparent;border:1px solid #ffffff44;border-radius:8px;color:#fff;padding:8px 10px}.nav-toggle span{display:block;width:22px;height:2px;background:#fff;margin:4px}.nav-toggle b{position:absolute;clip:rect(0,0,0,0)}
main{width:min(var(--max),calc(100% - 32px));margin:auto}.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:20px 0;font-size:13px;color:var(--muted)}.crumb a{text-decoration:none}.hero{padding:52px 0 42px;max-width:930px;border:0}.hero h1{font-size:clamp(42px,6vw,76px);line-height:1.04;letter-spacing:-.045em;margin:.14em 0}.hero>p:not(.eyebrow){font-size:20px;max-width:840px;color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px!important;font-weight:900;color:var(--brand)!important}.actions,.downloads{display:flex;gap:10px;flex-wrap:wrap}.btn,.downloads a,.filters button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--brand);background:var(--brand);color:#fff;padding:11px 18px;border-radius:8px;text-decoration:none;font-weight:800;cursor:pointer}.btn.ghost,.downloads a{background:#fff;color:var(--brand)}
section{padding:46px 0;border-top:1px solid var(--line)}h2{font-size:clamp(28px,4vw,42px);line-height:1.14;letter-spacing:-.025em;margin:0 0 18px}h3{margin:0 0 10px}.notice,.data-warning{background:#fff3cf;border:1px solid #efc868;border-left:5px solid var(--gold);padding:17px 20px;border-radius:9px;margin-bottom:30px}.gallery{display:grid;grid-template-columns:2fr 1fr 1fr;gap:12px;padding:0 0 48px;border-top:0}.gallery.count-2{grid-template-columns:1fr 1fr}.gallery.count-1{grid-template-columns:1fr}.gallery img{display:block;width:100%;height:285px;object-fit:cover;border-radius:13px;background:#e9eef1}.gallery.count-2 img{height:340px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:14px}.card{display:grid;grid-template-rows:auto 1fr auto;gap:8px;padding:20px;border:1px solid var(--line);border-radius:12px;text-decoration:none;background:#fff;transition:.18s}.card:hover{transform:translateY(-2px);border-color:#b6c5d0;box-shadow:var(--shadow)}.card span{font-size:14px;color:var(--muted)}.card em{font-style:normal;color:var(--brand);font-weight:850;font-size:13px}
.center-head{text-align:center;max-width:820px;margin:0 auto 28px}.center-head>p:last-child{color:var(--muted)}.home-catalog{margin-top:8px;background:linear-gradient(180deg,#f3f7fa,#fff);padding:64px 26px;border-radius:20px}.main-category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.catalog-card{overflow:hidden;display:grid;grid-template-rows:230px 1fr;border:1px solid var(--line);border-radius:15px;background:#fff;color:var(--ink);text-decoration:none;box-shadow:0 10px 28px #15232e10;transition:.2s}.catalog-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.catalog-card>img{width:100%;height:100%;object-fit:cover}.catalog-card>div{padding:20px}.catalog-card span{display:inline-block;color:var(--green);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}.catalog-card h3{font-size:23px;margin:5px 0}.catalog-card p{color:var(--muted);font-size:14px}.catalog-card strong{color:var(--green)}.catalog-card strong b{font-size:20px}.product-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.product-card-grid .catalog-card{grid-template-rows:190px 1fr}.product-card-grid .catalog-card h3{font-size:19px}.all-links{margin-bottom:20px}.directory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.directory-grid section{padding:20px;border:1px solid var(--line);border-radius:12px}.directory-grid h3{color:var(--brand);padding-bottom:10px;border-bottom:1px solid var(--line)}.directory-grid a{display:flex;justify-content:space-between;gap:12px;padding:6px 2px;text-decoration:none;font-size:14px}.directory-grid a:hover{color:var(--blue)}
.technical-specs{display:grid;grid-template-columns:.85fr 1.15fr;gap:34px;align-items:start}.perspective{color:var(--muted);font-size:14px}.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.spec-grid>div{padding:16px;border:1px solid var(--line);border-radius:10px;background:var(--soft)}.spec-grid span{display:block;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.06em}.spec-grid strong{display:block;margin-top:4px}.filters{display:grid;grid-template-columns:repeat(2,minmax(180px,260px)) auto;gap:12px;align-items:end;padding:16px;background:var(--soft);border-radius:10px 10px 0 0}.filters label,.calc label{font-size:13px;font-weight:800}.filters input,.calc input{display:block;width:100%;padding:11px;border:1px solid #bac6ce;border-radius:7px;background:#fff;margin-top:5px}.filters button{background:#fff;color:var(--ink);border-color:#bac6ce}.table-scroll{max-height:520px;overflow:auto;overscroll-behavior:contain;border:1px solid var(--line);outline-offset:3px}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;padding:11px 13px;border-bottom:1px solid var(--line);white-space:nowrap}th{position:sticky;top:0;background:#162633;color:#fff;z-index:2}tbody tr:nth-child(even){background:#f8fafb}td a{font-weight:800;color:var(--brand)}.source{font-size:13px;color:var(--muted)}.table-preview{margin:28px 0 0}.table-preview img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:10px}.table-preview figcaption{font-size:13px;color:var(--muted);margin-top:7px}.calc{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px}.calc form{display:grid;grid-template-columns:repeat(2,1fr);gap:13px;background:var(--soft);padding:20px;border-radius:12px}.calc output{grid-column:1/-1;background:#fff;border-left:4px solid var(--brand);padding:14px;font-weight:850}.guide>section{max-width:930px}.guide p{font-size:17px}details{border-bottom:1px solid var(--line);padding:13px 0}summary{cursor:pointer;font-weight:800}
.material-data{background:linear-gradient(180deg,#f7f9fb,#fff);padding-left:22px;padding-right:22px;border-radius:16px}.material-data-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.material-data-grid>section{padding:0;border:0}.material-data-grid h2{font-size:24px}.material-table-scroll{overflow:auto;border:1px solid var(--line);border-radius:10px}.material-table th{position:static}.technical-note,.technical-sources{color:var(--muted);font-size:13px}.technical-sources a{color:var(--blue);font-weight:750}
.wa{position:sticky;bottom:14px;z-index:30;display:flex;justify-content:space-between;align-items:center;gap:20px;margin:35px 0 18px;padding:15px 20px;background:var(--green);color:#fff;border-radius:12px;box-shadow:0 10px 30px #0003}.wa div{display:grid}.wa span{font-size:13px;opacity:.9}.wa a{background:#fff;color:#075e40;padding:11px 16px;border-radius:8px;text-decoration:none;font-weight:850}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-grid article{border:1px solid var(--line);border-radius:12px;padding:22px}.contact-grid article>span{text-transform:uppercase;letter-spacing:.1em;font-size:12px;color:var(--brand);font-weight:800}.contact-grid h2{font-size:24px;margin:8px 0}.contact-grid h2 a{text-decoration:none}.map-frame{overflow:hidden;border-radius:15px;box-shadow:var(--shadow);aspect-ratio:16/7}.map-frame iframe{display:block;width:100%;height:100%;border:0}
footer{margin-top:54px;background:var(--nav);color:#fff;padding:42px max(20px,calc((100% - var(--max))/2)) 18px}.footer-lead{display:grid;grid-template-columns:230px 1fr auto;align-items:center;gap:28px;padding:0 0 30px;border-bottom:1px solid #ffffff24}.footer-lead img{width:220px;height:92px;object-fit:contain;object-position:left}.footer-lead h2{font-size:25px;margin-bottom:5px}.footer-lead p{margin:0;color:#bdc9d1}.footer-wa{display:inline-flex;padding:12px 18px;border-radius:999px;background:#17c969;color:#fff;text-decoration:none;font-weight:850}.footer-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:26px;padding:34px 0}.footer-grid section{padding:0;border:0;min-width:0}.footer-grid h2{font-size:15px;color:#80b8ff;border-bottom:1px solid #ffffff24;padding-bottom:9px}.footer-grid a{display:flex;justify-content:space-between;gap:8px;padding:5px 0;color:#d8e1e6;text-decoration:none;font-size:13.5px}.footer-grid a:hover{color:#fff}.footer-grid p,.footer-grid span{display:block;color:#b9c5cc;font-size:13.5px}.footer-contact>a:first-of-type{font-size:18px;color:#fff;font-weight:800}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #ffffff24;padding-top:17px;font-size:12.5px;color:#aebbc3}.footer-bottom a{color:#fff;font-weight:800}
@media(max-width:1050px){.brand img{width:210px}.topnav>a,.mega>summary{padding:0 8px;font-size:13px}.product-card-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:860px){.header-inner{min-height:70px}.brand img{width:220px}.nav-toggle{display:block}.topnav{display:none;position:fixed;top:70px;left:0;right:0;max-height:calc(100vh - 70px);overflow:auto;padding:14px 16px 22px;background:var(--nav2);box-shadow:0 18px 35px #0005}.topnav.open{display:block}.topnav>a,.mega>summary{width:100%;justify-content:space-between;margin:2px 0;padding:10px 12px}.nav-wa{margin:10px 0 0!important;justify-content:center!important}.mega-panel{position:static;transform:none;width:100%;display:grid;margin:5px 0 12px;padding:14px;grid-template-columns:repeat(2,1fr);border-radius:10px;box-shadow:none}.mega:not([open]) .mega-panel{display:none}.quality-panel{grid-template-columns:1fr}.main-category-grid,.technical-specs,.material-data-grid{grid-template-columns:1fr}.directory-grid{grid-template-columns:repeat(2,1fr)}.footer-lead{grid-template-columns:180px 1fr}.footer-wa{grid-column:1/-1;justify-content:center}.footer-grid{grid-template-columns:repeat(2,1fr)}.calc{grid-template-columns:1fr}}
@media(max-width:620px){main{width:min(100% - 24px,var(--max))}.hero{padding:38px 0 30px}.hero h1{font-size:42px}.hero>p:not(.eyebrow){font-size:17px}.brand img{width:190px}.mega-panel{grid-template-columns:1fr}.gallery,.gallery.count-2{grid-template-columns:1fr}.gallery img,.gallery.count-2 img{height:auto}.section-head,.wa,.footer-bottom{display:grid}.filters,.calc form,.spec-grid{grid-template-columns:1fr}.calc output{grid-column:auto}.wa{position:static}.product-card-grid,.directory-grid,.contact-grid{grid-template-columns:1fr}.main-category-grid{grid-template-columns:1fr}.catalog-card,.product-card-grid .catalog-card{grid-template-rows:180px 1fr}.home-catalog{padding:46px 14px}.footer-lead{grid-template-columns:1fr;text-align:center}.footer-lead img{margin:auto}.footer-grid{grid-template-columns:1fr}.table-scroll{max-height:450px}th,td{padding:10px}.map-frame{aspect-ratio:4/3}}

/* V9: attribution, decision support, trust pages and accessibility */
.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;padding:10px 14px;border-radius:0 0 8px 8px;background:#fff;color:var(--nav);font-weight:850}.skip-link:focus{top:0}.content-identity{display:flex;align-items:center;gap:10px 22px;flex-wrap:wrap;margin:-16px 0 32px;padding:12px 16px;border:1px solid var(--line);border-radius:10px;background:var(--soft);color:var(--muted);font-size:13px}.content-identity a{margin-left:auto;color:var(--blue);font-weight:800}.decision-lab{display:grid;grid-template-columns:.76fr 1.24fr;gap:34px;align-items:start;border-top:3px solid var(--brand);padding:42px 24px;background:linear-gradient(135deg,#f7f9fb,#fff);border-radius:0 0 16px 16px}.decision-head>p:last-child{color:var(--muted)}.decision-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.decision-cards article{min-width:0;padding:18px;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 8px 24px #13202b0d}.decision-cards article>span,.policy-grid article>span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--nav);color:#fff;font-size:12px;font-weight:900}.decision-cards h3{margin-top:14px;font-size:17px}.decision-cards p{margin:0;color:var(--muted);font-size:14px}.decision-lab.layout-2,.decision-lab.layout-5{grid-template-columns:1fr}.decision-lab.layout-2 .decision-cards article:nth-child(2),.decision-lab.layout-5 .decision-cards article:nth-child(2){transform:translateY(12px)}.decision-lab.layout-3{border-color:var(--blue);background:linear-gradient(135deg,#eef6ff,#fff)}.decision-lab.layout-4{border-color:var(--green);background:linear-gradient(135deg,#eefaf5,#fff)}.decision-lab.layout-6{border-color:var(--gold);background:linear-gradient(135deg,#fff9e9,#fff)}.page-role-quality .technical-specs{border-top-color:#a9c9e9}.page-role-pricehub .decision-lab{border-color:var(--gold)}.page-role-hub .decision-lab{border-color:var(--green)}.trust-hero{max-width:980px}.policy-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.policy-grid article{padding:24px;border:1px solid var(--line);border-radius:14px;background:#fff}.policy-grid h2{margin:14px 0 10px;font-size:25px}.policy-grid p{color:var(--muted)}.policy-next{max-width:900px}.policy-next a{color:var(--blue);font-weight:800}.footer-bottom{align-items:start}.footer-policy{display:flex;gap:8px 15px;flex-wrap:wrap}.footer-policy a{white-space:nowrap}.page-role-trust .footer-policy a[href^="/"]{color:#fff}
.field-note{display:grid;grid-template-columns:.55fr 1.45fr;gap:36px;padding:38px 24px;border-left:5px solid var(--blue);border-radius:12px;background:#f2f7fc}.field-note h2{font-size:30px}.field-note>div{columns:2;column-gap:28px}.field-note>div p{margin-top:0;break-inside:avoid;color:#40515e}
@media(max-width:900px){.decision-lab{grid-template-columns:1fr}.decision-cards{grid-template-columns:1fr}.decision-lab.layout-2 .decision-cards article:nth-child(2),.decision-lab.layout-5 .decision-cards article:nth-child(2){transform:none}.policy-grid{grid-template-columns:1fr}.content-identity a{margin-left:0}}
@media(max-width:700px){.field-note{grid-template-columns:1fr}.field-note>div{columns:1}}