:root{
    --ink:#1d2a30;--ink-soft:#2b3a42;--paper:#f5f2ec;--card:#fff;--line:#e3ddd2;
    --muted:#5c6670;--muted-2:#8a9099;--coral:#e0603f;--coral-ink:#9a3a22;--coral-tint:#fbeae3;
    --teal:#137a63;--teal-ink:#0a4d3e;--teal-tint:#e2f0eb;--radius:14px;--radius-lg:20px;
    --display:"Space Grotesk",system-ui,sans-serif;--body:"Inter",system-ui,sans-serif;--mono:"IBM Plex Mono",ui-monospace,monospace;
  }
  *{box-sizing:border-box}html{scroll-behavior:smooth}
  body{margin:0;font-family:var(--body);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;line-height:1.55;font-size:16px}
  h1,h2,h3,h4{font-family:var(--display);font-weight:600;line-height:1.12;margin:0;letter-spacing:-0.01em}
  p{margin:0}a{color:inherit;text-decoration:none}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
  .eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
  .btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--display);font-weight:600;font-size:15px;padding:13px 22px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;transition:transform .15s,background .15s;background:none}
  .btn:active{transform:scale(.98)}
  .btn-coral{background:var(--coral);color:#fff}.btn-coral:hover{background:#cf512f}
  .btn-ghost-light{border-color:rgba(255,255,255,.4);color:#fff}.btn-ghost-light:hover{background:rgba(255,255,255,.1)}
  .btn-sm{font-size:13.5px;padding:10px 16px}
  :focus-visible{outline:3px solid var(--teal);outline-offset:2px;border-radius:6px}

  .utility{background:var(--ink);color:#d7dde0;font-size:12.5px;font-family:var(--mono);letter-spacing:.05em}
  .utility .wrap{display:flex;justify-content:flex-end;gap:22px;padding:9px 24px}
  .utility a:hover{color:#fff}
  nav.main{background:var(--ink);color:#fff;border-bottom:1px solid rgba(255,255,255,.08);position:sticky;top:0;z-index:40}
  nav.main .wrap{display:flex;align-items:center;gap:28px;padding:16px 24px}
  .logo{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:700;font-size:18px;letter-spacing:-.02em}
  .logo .mark{width:32px;height:32px;border-radius:9px;background:var(--coral);display:grid;place-items:center;font-size:15px;color:#fff}
  .logo small{display:block;font-family:var(--mono);font-weight:400;font-size:9.5px;letter-spacing:.16em;color:var(--muted-2);text-transform:uppercase;margin-top:1px}
  .nav-links{display:flex;gap:24px;margin-left:8px;font-size:15px;font-weight:500}
  .nav-links a{color:#cdd4d8;position:relative}.nav-links a:hover{color:#fff}
  .nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
  .icon-btn{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.18);display:grid;place-items:center;color:#fff;background:none;cursor:pointer}
  .icon-btn:hover{background:rgba(255,255,255,.1)}
  .cart-dot{position:relative}
  .cart-dot b{position:absolute;top:-4px;right:-4px;background:var(--coral);color:#fff;font-size:10px;font-family:var(--mono);min-width:16px;height:16px;border-radius:9px;display:grid;place-items:center;padding:0 3px}

  .crumbs{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:#9aa4ab;display:flex;gap:9px;align-items:center;flex-wrap:wrap;padding:20px 0 0}
  .crumbs a:hover{color:#fff}.crumbs .sep{opacity:.45}

  .lhead{background:var(--ink);color:#fff;padding:8px 0 44px}
  .lhead h1{font-size:clamp(32px,4.4vw,52px);font-weight:700;margin-top:14px}
  .lhead .updated{font-family:var(--mono);font-size:12.5px;color:#9aa4ab;margin-top:16px;letter-spacing:.03em}

  .sec{padding:56px 0 80px}
  .layout{display:grid;grid-template-columns:240px 1fr;gap:54px;align-items:start}
  .toc{position:sticky;top:92px}
  .toc .jl{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);margin-bottom:14px}
  .toc ol{list-style:none;margin:0;padding:0;counter-reset:t}
  .toc li{counter-increment:t}
  .toc a{display:block;font-size:14px;color:var(--muted);padding:7px 0;transition:.15s;line-height:1.4}
  .toc a::before{content:counter(t) ". ";color:var(--muted-2);font-family:var(--mono);font-size:12px}
  .toc a:hover{color:var(--coral-ink)}

  .note{background:var(--coral-tint);border:1px solid #f2cbbd;border-radius:var(--radius);padding:18px 20px;margin-bottom:36px;font-size:14.5px;color:var(--coral-ink);line-height:1.55}
  .note b{font-weight:600}

  .doc{counter-reset:s}
  .lsec{margin-bottom:36px;scroll-margin-top:90px}
  .lsec h2{font-size:21px;margin-bottom:14px;display:flex;gap:10px}
  .lsec h2::before{counter-increment:s;content:counter(s);font-family:var(--mono);font-size:15px;color:var(--coral);font-weight:500;flex:none;min-width:22px}
  .lsec p{color:var(--ink-soft);font-size:16px;line-height:1.7;margin-bottom:14px}
  .lsec p:last-child{margin-bottom:0}
  .lsec ul{margin:0 0 14px;padding-left:22px;color:var(--ink-soft);font-size:16px}
  .lsec li{margin:7px 0;line-height:1.6}
  .lsec .ph{color:var(--muted-2);font-style:italic;font-size:14.5px}
  .lsec a{color:var(--coral-ink);border-bottom:1px solid var(--coral)}

  footer{background:#16222a;color:#9aa4ab;font-size:14px;border-top:1px solid rgba(255,255,255,.08)}
  footer .wrap{padding:56px 24px 30px}
  .fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
  footer h4{color:#fff;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px;font-weight:500}
  footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
  footer a:hover{color:#fff}
  .fbottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:22px;font-size:12.5px;color:#7a858c;line-height:1.6}

  @media(max-width:960px){.layout{grid-template-columns:1fr;gap:0}.toc{display:none}.fgrid{grid-template-columns:1fr 1fr}.nav-links{display:none}}
  @media(max-width:560px){.fgrid{grid-template-columns:1fr}.utility{display:none}}
  @media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}



.emblem-mark svg{width:100%;height:100%;display:block}
.emblem-mark .a{fill:var(--teal)}.emblem-mark .b{fill:var(--ink)}.emblem-mark .s{fill:var(--coral)}
.emblem-mark.rev .a{fill:#2f9c82}.emblem-mark.rev .b{fill:#e8e2d6}.emblem-mark.rev .s{fill:var(--coral)}
.logo .emblem-mark{width:34px;height:34px;flex:none}
.nav-links a.active{color:#fff}
.flogo{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;color:#fff}
.flogo .emblem-mark{width:30px;height:30px}
.ftag{margin-top:16px;max-width:32ch;line-height:1.6}
.fsocials{margin-top:22px}
.fsoc-lbl{font-family:var(--display);font-weight:600;color:#fff;font-size:14px}
.fsoc-line{font-size:12.5px;color:#7f8a91;margin:3px 0 12px}
.fsoc-row{display:flex;gap:10px}
.fsoc{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.18);display:grid;place-items:center;color:#cdd4d8;transition:transform .18s,background .18s,border-color .18s,color .18s}
.fsoc:hover{transform:translateY(-3px);color:#fff}
.fsoc.coral:hover{background:var(--coral);border-color:var(--coral)}
.fsoc.teal:hover{background:var(--teal);border-color:var(--teal)}
.fdisc{font-size:12.5px;color:#7a858c;line-height:1.6;max-width:80ch}
.fmeta{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center;margin-top:16px;font-family:var(--mono);font-size:11.5px;letter-spacing:.03em;color:#8a949b}
.fmeta a:hover{color:#fff}.fmeta .copy{margin-left:auto}
@media(max-width:780px){.fmeta .copy{margin-left:0}}