:root{--bg:#0d0d0d;--ink:#f2f2f2;--muted:#9aa3a0;--green:#3ddc84;--line:#26302c}
@media (prefers-color-scheme:light){:root{--bg:#fff;--ink:#14201b;--muted:#5b6a64;--green:#128a4a;--line:#dfe6e2}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
main{max-width:720px;margin:0 auto;padding:32px 20px 64px}
.brand{font-weight:700;font-size:22px;letter-spacing:.2px;text-decoration:none;color:var(--ink)}
.brand b{color:var(--green)}
nav{display:flex;gap:18px;margin:10px 0 28px;font-size:14px}
a{color:var(--green)}
h1{font-size:30px;line-height:1.2;margin:8px 0 4px}
h2{font-size:19px;margin:32px 0 6px;padding-top:6px;border-top:1px solid var(--line)}
p,li{color:var(--ink)}
.muted{color:var(--muted);font-size:14px}
ul{padding-left:20px}
footer{margin-top:48px;color:var(--muted);font-size:13px}