:root{
  --bg:#F2F5F3; --surface:#FFFFFF; --ink:#16201C; --muted:#5D6A65; --line:#D9E1DD;
  --accent:#1F5E4A; --accent-ink:#FFFFFF; --accent-soft:#DFEDE7;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0E1412; --surface:#151D1A; --ink:#E4EBE8; --muted:#93A29C; --line:#25302C;
  --accent:#6CC2A1; --accent-ink:#0E1412; --accent-soft:#1B2D27;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--accent)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}

header{border-bottom:1px solid var(--line);background:var(--surface)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:700;font-size:18px;letter-spacing:-.01em}
.brand img{width:30px;height:30px;border-radius:7px}
.btn{display:inline-block;padding:9px 18px;border-radius:8px;background:var(--accent);color:var(--accent-ink);text-decoration:none;font-weight:600;font-size:15px}
.btn:hover{filter:brightness(1.08)}
.btn:focus-visible,.brand:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--line)}

.hero{padding:88px 0 64px}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);padding:4px 10px;border-radius:999px;margin:0 0 18px}
h1{font-size:clamp(32px,5vw,50px);line-height:1.1;letter-spacing:-.02em;margin:0 0 18px;max-width:20ch}
.lede{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:60ch;margin:0 0 30px}
.actions{display:flex;gap:12px;flex-wrap:wrap}

section{padding:56px 0;border-top:1px solid var(--line)}
h2{font-size:26px;letter-spacing:-.01em;margin:0 0 8px}
.sub{color:var(--muted);margin:0 0 28px;max-width:62ch}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px}
.card h3{font-size:17px;margin:0 0 6px}
.card p{margin:0;color:var(--muted);font-size:15px}
ul.checks{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px 28px}
ul.checks li{padding-left:28px;position:relative}
ul.checks li::before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;background:var(--accent-soft);box-shadow:inset 0 0 0 5px var(--accent)}
.note{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:24px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.note p{margin:0;max-width:60ch;color:var(--muted)}
.note strong{color:var(--ink)}

footer{border-top:1px solid var(--line);padding:28px 0 40px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer nav{display:flex;gap:18px}

.doc{padding:56px 0 24px;max-width:720px}
.doc h1{font-size:clamp(28px,4vw,38px)}
.doc h2{font-size:20px;margin:32px 0 8px}
.doc p,.doc li{color:var(--ink)}
.doc .updated{color:var(--muted);margin:0 0 24px}

@media (max-width:560px){
  .hero{padding:56px 0 44px}
  header .wrap{height:58px}
  .brand span{font-size:17px}
}