:root{--bg:#0f1419;--surface:#171d24;--surface-2:#1f2630;--line:#2b333d;--text:#e8ecef;--muted:#9aa7b4;--accent:#ff7a1a;--accent-dim:#c25c10;--ok:#3fb950;--radius:10px;--max:1080px}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}header.site{border-bottom:1px solid var(--line);background:var(--surface);z-index:10;position:sticky;top:0}header.site .wrap{flex-wrap:wrap;align-items:center;gap:24px;min-height:64px;display:flex}header.site .logo{color:var(--text);letter-spacing:-.01em;font-size:1.1rem;font-weight:700}header.site .logo span{color:var(--accent)}header.site nav{flex-wrap:wrap;gap:18px;margin-left:auto;display:flex}header.site nav a{color:var(--muted);font-size:.93rem}header.site nav a:hover{color:var(--text);text-decoration:none}.cta{background:var(--accent);color:#11161b;border-radius:var(--radius);cursor:pointer;border:none;padding:11px 20px;font-size:1rem;font-weight:650;display:inline-block}.cta:hover{background:var(--accent-dim);color:#fff;text-decoration:none}.cta.secondary{color:var(--accent);border:1px solid var(--line);background:0 0}h1{letter-spacing:-.02em;margin:0 0 12px;font-size:clamp(1.7rem,4vw,2.5rem);line-height:1.2}h2{letter-spacing:-.01em;margin:36px 0 12px;font-size:1.35rem}h3{margin:24px 0 8px;font-size:1.05rem}p{margin:0 0 14px}.muted{color:var(--muted)}.lead{color:var(--muted);max-width:62ch;font-size:1.1rem}main{min-height:60vh;padding:36px 0 64px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.grid{gap:14px;display:grid}.grid.two{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.grid.three{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}.partlist{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:8px;display:grid}.partlist a{background:var(--surface);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:12px 14px;display:block}.partlist a:hover{border-color:var(--accent);text-decoration:none}.partlist .mpn{color:var(--accent);font-family:ui-monospace,Cascadia Code,Menlo,monospace;font-weight:600}.partlist .desc{color:var(--muted);font-size:.86rem}.spec{border-collapse:collapse;width:100%;margin:8px 0 20px}.spec th,.spec td{text-align:left;border-bottom:1px solid var(--line);padding:9px 12px;font-size:.94rem}.spec th{color:var(--muted);width:190px;font-weight:500}.spec td{font-family:ui-monospace,Menlo,monospace}.badge{background:var(--surface-2);border:1px solid var(--line);color:var(--muted);border-radius:999px;margin-right:6px;padding:3px 9px;font-size:.76rem;display:inline-block}.notice{background:var(--surface-2);border-left:3px solid var(--accent);border-radius:6px;margin:20px 0;padding:14px 16px;font-size:.94rem}form .field{margin-bottom:16px}form label{color:var(--muted);margin-bottom:6px;font-size:.9rem;display:block}form input,form textarea,form select{background:var(--bg);border:1px solid var(--line);width:100%;color:var(--text);border-radius:8px;padding:11px 12px;font-family:inherit;font-size:1rem}form input:focus,form textarea:focus,form select:focus{outline:2px solid var(--accent);border-color:#0000}form textarea{resize:vertical;min-height:110px}.row{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;display:grid}.error{color:#f85149;font-size:.9rem}.success{color:var(--ok)}footer.site{border-top:1px solid var(--line);background:var(--surface);color:var(--muted);padding:28px 0;font-size:.86rem}footer.site a{color:var(--muted)}footer.site .legal{margin-top:12px;font-size:.78rem;line-height:1.5}ul.clean{margin:0 0 16px;padding:0;list-style:none}ul.clean li{margin-bottom:8px;padding-left:22px;position:relative}ul.clean li:before{content:"→";color:var(--accent);position:absolute;left:0}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}