:root{
  --bg:#06080b;--text:#e6eef0;--body:#c3d0d5;--muted:#9fb2b9;--faint:#5d6e75;
  --line:rgba(255,255,255,.08);--line-2:rgba(255,255,255,.14);
  --surface:rgba(255,255,255,.035);
  --accent:#c9b6ff;--accent-rgb:201,182,255;
  --gold:#e8b23c;--violet:#c183e7;--teal:#4fd1c4;
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Mono",Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{background:var(--bg);scroll-behavior:smooth;scroll-padding-top:24px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--text);
  font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}

.backdrop{position:fixed;inset:0;z-index:0;pointer-events:none}
.backdrop::before{content:"";position:absolute;inset:0;background:
  radial-gradient(55% 40% at 50% -8%,rgba(129,84,214,.24),transparent 70%),
  radial-gradient(40% 35% at 6% 96%,rgba(79,209,196,.06),transparent 70%),
  radial-gradient(36% 30% at 96% 72%,rgba(232,178,60,.05),transparent 70%)}
.backdrop::after{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1.2px);background-size:28px 28px;
  -webkit-mask-image:radial-gradient(70% 45% at 50% 0%,#000 10%,transparent 70%);
          mask-image:radial-gradient(70% 45% at 50% 0%,#000 10%,transparent 70%)}
header.top,.wrap,footer{position:relative;z-index:1}

header.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px clamp(16px,5vw,48px)}
.home{display:flex;align-items:center;gap:11px;text-decoration:none}
.home .cube{width:28px;height:28px;filter:drop-shadow(0 0 10px rgba(161,108,255,.45))}
.home .mark{height:21px;width:auto}
.toplink{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:12px;letter-spacing:.04em;
  color:var(--muted);text-decoration:none;padding:7px 12px 7px 9px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);transition:color .2s,border-color .2s}
.toplink svg{width:14px;height:14px}
.toplink:hover{color:var(--text);border-color:var(--line-2)}

/* The three documents, as one switch. */
.docnav{display:flex;justify-content:center;margin:18px 16px 0}
.docnav nav{display:inline-flex;gap:4px;padding:4px;border-radius:14px;border:1px solid var(--line);background:var(--surface)}
.docnav a{padding:8px 16px;border-radius:10px;font-size:13.5px;color:var(--muted);text-decoration:none;white-space:nowrap;transition:color .2s,background .2s}
.docnav a:hover{color:var(--text)}
.docnav a[aria-current="page"]{color:var(--text);background:rgba(var(--accent-rgb),.12);box-shadow:inset 0 0 0 1px rgba(var(--accent-rgb),.35)}

.wrap{flex:1;width:100%;max-width:1120px;margin:0 auto;padding:clamp(28px,6vh,56px) 16px 80px;
  display:grid;grid-template-columns:220px minmax(0,720px);gap:56px;justify-content:center}

/* On this page: the document's sections, kept in view while you read. */
.toc{position:sticky;top:24px;align-self:start;max-height:calc(100vh - 48px);overflow-y:auto;padding-top:118px}
.toc p{margin:0 0 12px;font-family:var(--mono);font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--faint)}
.toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
.toc a{display:block;padding:6px 0 6px 14px;margin-left:-1px;border-left:1px solid transparent;
  font-size:13px;line-height:1.45;color:var(--muted);text-decoration:none;transition:color .2s,border-color .2s}
.toc a:hover{color:var(--text)}
.toc a.on{color:var(--text);border-left-color:var(--accent)}

/* The document. */
.doc{min-width:0}
.doc .eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--faint)}
.doc .eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px rgba(var(--accent-rgb),.7)}
.doc h1{margin:14px 0 14px;font-size:clamp(32px,5vw,46px);line-height:1.08;font-weight:650;letter-spacing:-.02em}
.doc .updated{display:inline-block;margin:0 0 22px;font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:var(--muted);
  padding:5px 11px;border-radius:999px;border:1px solid var(--line)}
.doc .lede{margin:0 0 8px;font-size:18px;line-height:1.7;color:var(--text)}
.doc h2{margin:52px 0 14px;padding-top:28px;border-top:1px solid var(--line);font-size:22px;line-height:1.3;font-weight:650;letter-spacing:-.01em}
.doc h3{margin:30px 0 10px;font-size:16.5px;font-weight:600;color:var(--text)}
.doc p,.doc li{color:var(--body);line-height:1.78}
.doc p{margin:0 0 14px}
.doc ul{margin:0 0 16px;padding-left:20px}
.doc li{margin:0 0 10px}
.doc li::marker{color:var(--accent)}
.doc strong{color:var(--text);font-weight:600}
.doc em{color:var(--text)}
.doc code{font-family:var(--mono);font-size:.88em;padding:1px 6px;border-radius:6px;background:var(--surface);border:1px solid var(--line);color:var(--text)}
.doc a{color:var(--text);text-decoration:underline;text-decoration-color:rgba(var(--accent-rgb),.55);text-underline-offset:3px;transition:text-decoration-color .2s}
.doc a:hover{text-decoration-color:var(--accent)}
.doc .sub{display:block;margin-top:3px;font-family:var(--mono);font-size:11.5px;color:var(--faint)}

.callout{margin:22px 0;padding:18px 20px;border-radius:16px;border:1px solid rgba(232,178,60,.35);background:rgba(232,178,60,.05)}
.callout p:last-child{margin:0}

/* Tables read as a list of cards: each row a card, each cell labelled. */
.doc table{width:100%;border-collapse:separate;border-spacing:0 10px;margin:8px 0 18px}
.doc thead th{text-align:left;padding:0 16px 2px;font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);font-weight:400}
.doc tbody td{vertical-align:top;padding:16px;font-size:14.5px;line-height:1.65;color:var(--body);
  background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.doc tbody td:first-child{border-left:1px solid var(--line);border-radius:14px 0 0 14px;color:var(--text);font-weight:550;width:30%}
.doc tbody td:last-child{border-right:1px solid var(--line);border-radius:0 14px 14px 0;width:22%;color:var(--muted)}
@media (max-width:720px){
  .doc table,.doc tbody,.doc tr,.doc td{display:block;width:100%!important}
  .doc thead{display:none}
  .doc tbody tr{margin:0 0 12px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
  .doc tbody td{padding:4px 0;border:0!important;border-radius:0!important;background:none}
  .doc tbody td[data-l]:not(:first-child)::before{content:attr(data-l);display:block;margin-top:8px;
    font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
}

.contact{margin:56px 0 0;padding:22px 24px;border-radius:18px;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));position:relative}
.contact::before{content:"";position:absolute;left:24px;right:24px;top:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(var(--accent-rgb),.55),transparent)}
.contact p{margin:0;color:var(--muted)}

/* Footer, as on the hub. */
footer{padding:0 16px 40px}
.foot{max-width:1120px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center}
.foot::before{content:"";align-self:stretch;height:1px;margin-bottom:26px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.08) 22%,rgba(193,131,231,.38) 50%,rgba(255,255,255,.08) 78%,transparent)}
.motto{margin:0;font-family:var(--mono);font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}
.motto i{font-style:normal;margin:0 .25em}
.motto i:nth-of-type(1){color:var(--gold)}.motto i:nth-of-type(2){color:var(--violet)}.motto i:nth-of-type(3){color:var(--teal)}
.legal{font-size:13px}
.legal a{color:var(--muted);text-decoration:none}
.legal a:hover,.legal a[aria-current="page"]{color:var(--text)}
.legal .sep{margin:0 10px;color:var(--faint)}
.rights{margin:0;font-size:12px;color:var(--faint)}

.home:focus-visible,.toplink:focus-visible,.docnav a:focus-visible,.toc a:focus-visible,.doc a:focus-visible{outline:2px solid rgba(var(--accent-rgb),.9);outline-offset:3px;border-radius:6px}

@media (max-width:1040px){
  .wrap{grid-template-columns:minmax(0,720px)}
  .toc{display:none}
}
@media (max-width:560px){
  .home .mark{display:none}
  .docnav a{padding:8px 11px;font-size:13px}
  .doc .lede{font-size:16.5px}
}