:root{
  color-scheme:light;
  --paper:#f2f6f6; --surface:#ffffff; --line:#d7e3e4;
  --ink:#0f2a33; --ink-2:#44585d; --ink-3:#6b7d81;
  --deep:#0f3d4a; --teal:#1b7f8c; --shallow:#2aa3b3; --paddle:#f2b705;
  --accent:#1b7f8c; --accent-ink:#ffffff;
  --flood:#2aa3b3; --ebb:#0f3d4a; --axis:#9fb4b8;
  --display:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --paper:#0b232a; --surface:#10303a; --line:#21464f;
    --ink:#e7f1f2; --ink-2:#b2c6ca; --ink-3:#8aa2a7;
    --accent:#5cc3d0; --accent-ink:#0b232a;
    --flood:#2aa3b3; --ebb:#7fb8c2; --axis:#4d6f77;
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --paper:#0b232a; --surface:#10303a; --line:#21464f;
  --ink:#e7f1f2; --ink-2:#b2c6ca; --ink-3:#8aa2a7;
  --accent:#5cc3d0; --accent-ink:#0b232a;
  --flood:#2aa3b3; --ebb:#7fb8c2; --axis:#4d6f77;
}
*{box-sizing:border-box}
html{background:var(--paper)}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.6 var(--sans);padding-inline:20px}
.wrap{max-width:980px;margin-inline:auto}
a{color:var(--accent);text-underline-offset:3px}
a:focus-visible,button:focus-visible{outline:3px solid var(--paddle);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.1;text-wrap:balance;margin:0}
p{margin:0}
.site-head{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding-block:22px}
.brand{font-family:var(--display);font-size:24px;font-weight:700;color:var(--ink);text-decoration:none}
.brand .amp{color:var(--paddle)}
.nav{display:flex;gap:20px;flex-wrap:wrap;font-size:15px}
.nav a{color:var(--ink-2);text-decoration:none}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink);text-decoration:underline}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.site-foot{border-top:1px solid var(--line);margin-top:72px;padding-block:28px 40px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;font-size:14px;color:var(--ink-3)}
.site-foot nav{display:flex;gap:18px;flex-wrap:wrap}
.site-foot a{color:var(--ink-2)}
/* long-form pages */
.doc{max-width:680px;padding-block:24px 0;display:flex;flex-direction:column;gap:18px}
.doc h1{font-size:clamp(34px,6vw,48px)}
.doc h2{font-size:24px;margin-top:22px}
.doc ul{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:6px}
.doc .meta{color:var(--ink-3);font-size:15px}
.callout{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;display:flex;flex-direction:column;gap:8px}
.copyrow{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.copyrow code{font-family:var(--mono);font-size:16px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:6px 10px;user-select:all}
button.copy{font:600 14px var(--sans);background:var(--accent);color:var(--accent-ink);border:0;border-radius:8px;padding:8px 14px;cursor:pointer}
details{border-top:1px solid var(--line);padding-block:14px}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:600}
details p{margin-top:8px;color:var(--ink-2)}
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}

/* home */
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:center;padding-block:40px 24px}
.hero h1{font-size:clamp(40px,6.4vw,68px);letter-spacing:-.01em;margin-top:14px}
.hero .lede{font-size:19px;color:var(--ink-2);max-width:34ch;margin-top:18px}
.status{display:inline-flex;align-items:center;gap:10px;margin-top:26px;font-size:15px;font-weight:600;color:var(--ink)}
.status::before{content:"";flex:none;width:10px;height:10px;border-radius:50%;background:var(--paddle)}
.curve{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px 18px 12px;display:flex;flex-direction:column;gap:6px}
.curve svg{width:100%;height:auto;display:block}
.curve .cap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--ink-3)}
.curve text{font-family:var(--mono);font-size:14px;fill:var(--ink-3)}
.curve .lbl{font-family:var(--sans);font-size:16px;font-weight:600;fill:var(--ink)}
.section{padding-block:56px 0;display:flex;flex-direction:column;gap:28px}
.section h2{font-size:clamp(28px,4vw,38px)}
.features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 48px}
.feature{display:flex;flex-direction:column;gap:8px;padding-top:18px;border-top:2px solid var(--ink)}
.feature h3{font-size:22px}
.feature p{color:var(--ink-2)}
.where{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start}
.where-intro{display:flex;flex-direction:column;gap:14px}
.where-intro p{color:var(--ink-2)}
.where ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.where li{display:flex;justify-content:space-between;gap:12px;padding-block:10px;border-bottom:1px solid var(--line)}
.where li span:last-child{color:var(--ink-3);font-size:14px}
.stat{display:grid;grid-template-columns:auto minmax(0,1fr);gap:28px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:28px 32px}
.stat .big{font-family:var(--display);font-size:64px;font-weight:700;line-height:1;color:var(--accent)}
.stat p{color:var(--ink-2)}
.stat strong{color:var(--ink)}
.notice{font-size:15px;color:var(--ink-2);max-width:70ch}
@media (max-width:760px){
  .hero,.where,.features{grid-template-columns:minmax(0,1fr)}
  .hero{gap:32px;padding-block:20px 8px}
  .stat{grid-template-columns:minmax(0,1fr);gap:12px;padding:22px}
  .stat .big{font-size:52px}
}