:root{--jade:#12a46a;--bg:#ffffff;--text:#111;--muted:#5b6168;--card:#f3f4f6;--line:#e3e5e8}
@media (prefers-color-scheme:dark){:root{--bg:#0b0c0d;--text:#f2f3f4;--muted:#a3a9b0;--card:#17191b;--line:#2a2d30}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--jade)}
.wrap{max-width:720px;margin:0 auto;padding:0 20px}
header{padding:22px 0;border-bottom:1px solid var(--line)}
header .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.brand{font-weight:800;font-size:20px;color:var(--text);text-decoration:none}
nav a{margin-left:18px;text-decoration:none;font-weight:600;font-size:15px}
main{padding:36px 0 56px}
h1{font-size:34px;line-height:1.15;margin:0 0 12px;font-weight:800;letter-spacing:-.5px}
h2{font-size:22px;margin:34px 0 8px;font-weight:800}
p,li{color:var(--text)}
.lead{font-size:20px;color:var(--muted)}
.card{background:var(--card);border-radius:18px;padding:20px 22px;margin:22px 0}
.btn{display:inline-block;background:var(--jade);color:#fff;font-weight:700;padding:13px 22px;border-radius:14px;text-decoration:none}
.muted{color:var(--muted)}
.small{font-size:14px}
footer{border-top:1px solid var(--line);padding:26px 0 40px;color:var(--muted);font-size:14px}
ul{padding-left:22px}
li{margin:6px 0}