:root{--bg:#fafafa;--card:#fff;--tx:#212322;--mut:#5d6460;--line:#dcdedd;--g:#00755e;--gl:#00755e;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--bg:#212322;--card:#2a2d2c;--tx:#f0f0f1;--mut:#a9afac;--line:#3a3e3c;--gl:#4fc6a8}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--tx);font:400 17px/1.6 "Barlow",system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:var(--gl)}
.wrap{max-width:980px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
header img{height:30px;display:block}
nav{display:flex;gap:22px;font-weight:600}
nav a{color:var(--tx);text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}
nav a[aria-current]{border-color:var(--g)}
h1{font-size:clamp(34px,6vw,56px);line-height:1.05;margin:0 0 16px;font-weight:800;letter-spacing:-.01em}
h2{font-size:28px;margin:56px 0 16px;font-weight:700}
h3{margin:0 0 6px;font-size:19px}
.lead{font-size:20px;color:var(--mut);margin:0 0 28px}
.hero{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center;padding:72px 0 24px}
.icon{width:100%;max-width:280px;justify-self:center;filter:drop-shadow(0 18px 30px rgba(0,0,0,.3))}
.btn{display:inline-block;background:var(--g);color:#fff;text-decoration:none;font-weight:700;padding:14px 24px;border-radius:12px;margin:0 8px 8px 0}
.btn.alt{background:none;color:var(--tx);box-shadow:inset 0 0 0 2px var(--line)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.card p{margin:0;color:var(--mut)}
.band{background:var(--g);color:#fff;border-radius:20px;padding:32px;margin-top:56px}
.band h2{margin:0 0 8px}.band p{margin:0 0 8px}
code{background:rgba(127,127,127,.2);padding:2px 7px;border-radius:6px;font-size:.92em}
.doc{max-width:720px;padding:48px 0 72px}
.doc h1{font-size:clamp(32px,5vw,44px)}.doc h2{font-size:24px;margin:36px 0 8px}
.doc p,.doc li{color:var(--tx)}.muted{color:var(--mut)}
details{border-bottom:1px solid var(--line);padding:16px 0}
summary{font-weight:700;cursor:pointer;font-size:18px}
details p{margin:10px 0 0;color:var(--mut)}
ol.steps{padding-left:22px}ol.steps li{margin-bottom:10px}
footer{border-top:1px solid var(--line);padding:32px 0 40px;color:var(--mut);font-size:14px;margin-top:40px}
footer .links{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:14px}
footer a{color:var(--tx)}footer p{margin:6px 0;max-width:720px}
@media (max-width:720px){.hero{grid-template-columns:1fr;padding:36px 0 8px}.icon{max-width:150px;justify-self:start;order:-1}}
@media (max-width:480px){header img{height:22px}nav{gap:14px;font-size:15px}.wrap{padding:0 18px}}