:root{
  --bg:#f7f8fa; --surface:#ffffff; --surface-2:#eef1f5;
  --ink:#10151c; --ink-2:#465262; --ink-3:#6b7889;
  --line:#dde3ea;
  --brand:#0b3d5c; --brand-2:#12628f; --accent:#e8721c; --accent-soft:#fdf1e6;
  --ok:#0f7a52;
  --radius:14px;
  --maxw:1080px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0c1117; --surface:#141b24; --surface-2:#1b242f;
    --ink:#eef2f7; --ink-2:#aebaca; --ink-3:#8593a5;
    --line:#26313e;
    --brand:#7fc4ea; --brand-2:#a8d8f4; --accent:#f59243; --accent-soft:#2a1d12;
    --ok:#4cc38a;
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 16px}
a{color:var(--brand-2);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;letter-spacing:-0.02em;margin:0}
h1{font-size:clamp(2rem,5.2vw,3.1rem);font-weight:750}
h2{font-size:clamp(1.4rem,3.2vw,1.95rem);font-weight:700}
h3{font-size:1.06rem;font-weight:650}
p{margin:0 0 1em}
.muted{color:var(--ink-2)}
.small{font-size:.92rem}

header.site{border-bottom:1px solid var(--line);background:var(--surface);position:sticky;top:0;z-index:10}
header.site .bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:62px}
.logo{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:-.02em;color:var(--ink);font-size:1.06rem}
.logo:hover{text-decoration:none}
.mark{width:26px;height:26px;flex:none}
nav.site a{color:var(--ink-2);font-size:.94rem;font-weight:550;margin-left:18px}
@media(max-width:620px){nav.site a:not(.keep){display:none}}

.hero{padding:74px 0 56px;border-bottom:1px solid var(--line)}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);border-radius:100px;padding:5px 12px;margin-bottom:20px}
.hero p.lede{font-size:clamp(1.05rem,2.2vw,1.24rem);color:var(--ink-2);max-width:60ch;margin-top:20px}

section{padding:58px 0;border-bottom:1px solid var(--line)}
section:last-of-type{border-bottom:0}
.kicker{font-size:.78rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3);margin-bottom:12px}
.grid{display:grid;gap:18px;margin-top:30px}
@media(min-width:720px){.grid.two{grid-template-columns:1fr 1fr}.grid.three{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card h3{margin-bottom:7px}
.card p:last-child{margin-bottom:0}

ol.steps{list-style:none;counter-reset:s;padding:0;margin:30px 0 0}
ol.steps li{counter-increment:s;position:relative;padding:0 0 22px 52px;border-left:2px solid var(--line);margin-left:16px}
ol.steps li:last-child{border-left-color:transparent;padding-bottom:0}
ol.steps li::before{content:counter(s);position:absolute;left:-17px;top:-2px;width:32px;height:32px;border-radius:50%;
  background:var(--brand);color:#fff;display:grid;place-items:center;font-size:.86rem;font-weight:700}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) ol.steps li::before{color:#081019}}
ol.steps b{display:block;margin-bottom:2px}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
ul.ticks{list-style:none;padding:0;margin:0}
ul.ticks li{position:relative;padding-left:28px;margin-bottom:12px}
ul.ticks li:last-child{margin-bottom:0}
ul.ticks li::before{content:"";position:absolute;left:3px;top:.62em;width:11px;height:6px;
  border-left:2.5px solid var(--ok);border-bottom:2.5px solid var(--ok);transform:rotate(-45deg)}

.msg{background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:13px 15px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85rem;line-height:1.5;margin-bottom:10px}

footer.site{background:var(--surface);border-top:1px solid var(--line);padding:40px 0;color:var(--ink-2);font-size:.92rem}
footer.site .row{display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;align-items:baseline}

.doc{padding:52px 0 70px;max-width:760px}
.doc h2{margin:42px 0 12px}
.doc h3{margin:26px 0 6px}
.doc ul{padding-left:22px;margin:0 0 1em}
.doc li{margin-bottom:8px}
.doc table{width:100%;border-collapse:collapse;margin:8px 0 1.4em;font-size:.93rem}
.doc th,.doc td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.doc th{font-weight:650;color:var(--ink-2);font-size:.82rem;text-transform:uppercase;letter-spacing:.05em}