:root{--paper: #f6f8f8;--card: #ffffff;--ink: #14202a;--steel: #56656f;--line: #d8e0e4;--line-strong: #9fb0b8;--teal: #0d5257;--teal-ink: #083b3f;--ochre: #8a6a1f;--ok: #1f6f43;--font-display: "Archivo", system-ui, sans-serif;--font-body: "Archivo", system-ui, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;--maxw: 1120px;--radius: 3px}*{box-sizing:border-box}html{scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}a{color:var(--teal);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--teal);outline-offset:2px}h1,h2,h3{font-family:var(--font-display);line-height:1.2;margin:0 0 .5em}h1{font-size:clamp(1.6rem,3.2vw,2.3rem);font-weight:650;letter-spacing:-.01em}h2{font-size:1.25rem;font-weight:650}h3{font-size:1.02rem;font-weight:600}.eyebrow{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);display:block;margin-bottom:10px}.cas-stamp{display:inline-block;font-family:var(--font-mono);font-size:.82rem;letter-spacing:.08em;color:var(--ink);border:1.5px solid var(--ink);outline:1px solid var(--ink);outline-offset:2.5px;padding:3px 10px;background:var(--card);white-space:nowrap}.cas-stamp .k{color:var(--ochre);font-weight:600}.el-tile{width:84px;height:92px;border:1.5px solid var(--ink);background:var(--card);display:flex;flex-direction:column;padding:6px 8px;font-family:var(--font-mono);flex:none}.el-tile .z{font-size:.68rem;color:var(--steel)}.el-tile .sym{font-family:var(--font-display);font-size:1.9rem;font-weight:700;line-height:1;margin-top:2px}.el-tile .nm{margin-top:auto;font-size:.62rem;letter-spacing:.06em;text-transform:uppercase;color:var(--steel)}.site-header{border-bottom:1.5px solid var(--ink);background:var(--card)}.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:62px;gap:16px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}.wordmark{font-family:var(--font-display);font-weight:750;font-size:1.05rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink)}.wordmark:hover{text-decoration:none}.wordmark .dot{color:var(--ochre)}nav.main a{color:var(--ink);font-size:.9rem;margin-left:22px;font-weight:500}nav.main a:hover{color:var(--teal)}.site-footer{border-top:1.5px solid var(--ink);margin-top:72px;padding:28px 0 40px;color:var(--steel);font-size:.85rem;background:var(--card)}.site-footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.btn{display:inline-block;font-family:var(--font-display);font-weight:600;font-size:.92rem;background:var(--teal);color:#fff;border:1.5px solid var(--teal-ink);padding:10px 20px;border-radius:var(--radius);cursor:pointer}.btn:hover{background:var(--teal-ink);text-decoration:none}.btn.ghost{background:transparent;color:var(--teal-ink)}.btn.ghost:hover{background:#0d525712}table.spec{width:100%;border-collapse:collapse;font-size:.92rem;border-top:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink)}table.spec th,table.spec td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}table.spec tr:last-child td,table.spec tr:last-child th{border-bottom:none}table.spec th{width:42%;font-weight:500;color:var(--steel)}table.spec td{font-family:var(--font-mono);font-size:.86rem}.panel{background:var(--card);border:1px solid var(--line-strong);border-radius:var(--radius);padding:20px}form.rfq label{display:block;font-size:.8rem;font-weight:600;margin:12px 0 4px}form.rfq input,form.rfq textarea{width:100%;padding:9px 10px;border:1px solid var(--line-strong);border-radius:var(--radius);font:inherit;font-size:.9rem;background:#fff;color:var(--ink)}form.rfq textarea{min-height:88px;resize:vertical}.form-note{font-size:.78rem;color:var(--steel);margin-top:10px}.form-status{font-size:.85rem;margin-top:10px;display:none}.form-status.ok{color:var(--ok);display:block}.form-status.err{color:#a13424;display:block}.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}.prod-row{display:flex;align-items:baseline;gap:18px;padding:14px 2px;border-bottom:1px solid var(--line);flex-wrap:wrap}.prod-row .cas{font-family:var(--font-mono);font-size:.85rem;color:var(--ochre);flex:none;width:120px}.prod-row .nm{font-weight:600;color:var(--ink)}.prod-row .meta{margin-left:auto;font-family:var(--font-mono);font-size:.78rem;color:var(--steel)}.prod-row:hover{background:#fff}.pd-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start}.pd-side{position:sticky;top:20px;display:grid;gap:16px}@media(max-width:880px){.pd-grid{grid-template-columns:1fr}.pd-side{position:static}}.syn-list{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:10px 0 0;list-style:none}.syn-list li{font-family:var(--font-mono);font-size:.78rem;border:1px solid var(--line-strong);border-radius:var(--radius);padding:2px 8px;color:var(--steel);background:var(--card)}.stock-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ok);margin-right:6px;vertical-align:1px}section.block{margin-top:44px}.faq details{border-bottom:1px solid var(--line);padding:10px 2px}.faq summary{font-weight:600;cursor:pointer;font-size:.95rem}.faq p{color:var(--steel);font-size:.92rem}.crumbs{font-size:.78rem;color:var(--steel);font-family:var(--font-mono);margin-bottom:18px}.crumbs a{color:var(--steel)}