:root{--navy:#0b2545;--blue:#134074;--gold:#d4af37;--red:#f71914;--paper:#f7f9fc}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:#24354a;font:15px/1.75 Arial,sans-serif}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #0077b6;outline-offset:4px}.wrap{width:min(1200px,92%);margin:auto}.topbar{background:#07182e;color:#dce7f1;padding:7px 4%;font-size:10px;letter-spacing:1.5px;display:flex;justify-content:space-between}header{background:#fff;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 4%;position:sticky;top:0;z-index:10;border-bottom:1px solid #e2e8f0}.brand{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:800;color:var(--navy);line-height:1.25}.brand img{width:54px;height:54px;object-fit:contain}.brand 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0}.footer-row{display:flex;justify-content:space-between;align-items:center;gap:24px}.footer-row .brand{color:white}footer a{font-size:12px}[hidden]{display:none!important}#visual-picker iframe{background:#fff}@media(max-width:1000px){header{flex-wrap:wrap;gap:15px}nav{order:3;width:100%;justify-content:center;gap:20px}.hero-grid{gap:30px}.three-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){body{font-size:14px}.topbar{font-size:8px;letter-spacing:.4px}.topbar a{display:none}header{padding:12px 4%}.brand{font-size:11px}.brand small{font-size:6px}.brand img{width:42px;height:42px}nav{gap:14px;justify-content:flex-start;overflow:auto;font-size:11px;white-space:nowrap}.hero-grid,.three-grid,.features{grid-template-columns:1fr}section{padding:48px 0}.hero-logo{max-width:300px;margin:auto}.hero-logo img{max-height:220px}.hero-grid{gap:32px}h2{font-size:28px}.footer-row{align-items:flex-start;flex-direction:column}.contact-links{flex-direction:column}.languages button{padding:4px 8px}}
.hero{min-height:620px}.hero-grid{grid-template-columns:1.35fr 1fr}.hero h1{font-size:36px}.hero p{font-size:13px}.hero-logo{background:#fff;color:#0b2545;padding:22px;border-radius:14px}.hero-logo img{max-height:210px;object-fit:cover;border-radius:8px}.hero-logo h3{margin-top:20px;font-size:17px}.hero-logo p{color:#34465c}.features{margin-top:24px}.features article{padding:18px}.features h3{font-size:15px}.features p{font-size:12px}.product-name{display:block;margin:20px 24px 8px;font-weight:700;font-size:16px;color:#0b2545}.mineral{padding:0;background:#f4f6f8;min-height:0}.mineral img{width:100%;height:160px;object-fit:cover}.product h3{margin-top:8px}.about-photos{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px}.about-photos img{width:100%;height:190px;object-fit:cover;border-radius:12px}#applications .card{overflow:hidden}#applications .card>img{width:100%;height:180px;object-fit:cover;border-radius:8px;margin-bottom:20px}@media(max-width:600px){.hero-grid{grid-template-columns:1fr}.hero h1{font-size:32px}.hero-logo{width:100%;max-width:none}.about-photos{grid-template-columns:1fr}.hero{min-height:0}}
.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-series{min-width:0;padding:0;overflow:hidden}.catalog-series>img{width:100%;height:170px;object-fit:cover}.catalog-series>h3,.catalog-series>.spec{margin:20px 20px 12px}.table-scroll{overflow-x:auto;max-width:100%}table{width:100%;border-collapse:collapse;font-size:11px;line-height:1.5}th{background:#0b2545;color:white;text-align:left}th,td{padding:10px 12px;border-bottom:1px solid #dce4ed}tbody tr:nth-child(even){background:#f1f5f9}.surface-treatments{margin-top:28px}.catalog-note{font-size:12px;margin-top:22px;max-width:900px}@media(max-width:700px){.catalog-grid{grid-template-columns:1fr}th,td{padding:9px;font-size:10px}}
/* Match the reference's compact blue/gold visual hierarchy and tabbed panels. */
.hero-grid{grid-template-columns:1.35fr .8fr;gap:52px}.hero-logo{max-width:370px;justify-self:center}.hero-logo img{height:175px;object-fit:cover}.hero{min-height:0;padding:65px 0 36px}.hero h1{font-size:34px}.hero .features{display:none}.hero .actions{margin-top:22px}.reference-tabs{display:flex;gap:10px;margin:26px 0 0;flex-wrap:wrap}.reference-tabs button{border:1px solid #cdd8e5;background:white;color:#0b2545;padding:10px 24px;border-radius:8px;font-weight:700}.reference-tabs button[aria-selected=true]{background:#0b2545;color:#e7c85f}.about-tab-panels{display:block;margin-top:16px}.about-tab-panels .card{max-width:750px}.about-photos{margin-top:24px}.catalog-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.catalog-series>img{height:145px}.grade-details{margin:12px 18px 20px}.grade-details summary{font-size:12px;color:#134074}.grade-details .table-scroll{margin-top:15px}.application-tab-panels{display:block;max-width:1000px}.application-tab-panels .card>img{height:230px;object-fit:contain;background:#f5f7fa}.contact{background:#f8fafc;color:#334155}.contact>.wrap>.eyebrow{color:#134074}.contact-card{max-width:700px;margin:auto;background:white;padding:40px;border:1px solid #e2e8f0;border-radius:16px;box-shadow:0 10px 30px #0b254508}.contact h2{color:#0b2545}.contact-links{flex-direction:column}.contact .button{background:#eff5fb;color:#0b2545;justify-content:flex-start;border:1px solid #dce7f3}.surface-treatments{margin-top:26px}@media(max-width:800px){.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.hero-grid{grid-template-columns:1fr;gap:25px}.catalog-grid{grid-template-columns:1fr}.contact-card{padding:24px}.hero h1{font-size:30px}.hero-logo{width:100%;max-width:370px}.reference-tabs button{padding:9px 15px}}
#contact .wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;align-items:start}#contact .wrap>.eyebrow{grid-column:1/-1}.contact-card{width:100%;padding:28px}.rfq-card{padding:28px}.rfq-card h3{font-size:24px}.rfq-card form{display:grid;grid-template-columns:1fr 1fr;gap:15px}.rfq-card label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:700}.rfq-card input,.rfq-card textarea,.rfq-card select{width:100%;padding:11px;border:1px solid #c7d5e4;border-radius:7px;font:14px Arial;background:white;color:#24354a}.rfq-card label:has(textarea),.rfq-consent,.rfq-note,.rfq-card form>button{grid-column:1/-1}.rfq-card .rfq-consent{flex-direction:row;align-items:start;font-size:12px;font-weight:400}.rfq-consent input{width:18px;flex-shrink:0}.rfq-note{font-size:11px;color:#53657c}.rfq-card button{border:0;cursor:pointer}@media(max-width:800px){#contact .wrap{grid-template-columns:1fr}}@media(max-width:480px){.rfq-card form{grid-template-columns:1fr}.rfq-card{padding:22px}}
/* Header brand follows the first PDF reference: large SERMIC mark and compact blue wordmark. */
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