:root{--bg:#fbfaf7;--fg:#22211f;--muted:#6b6862;--accent:#2f6b4f;--line:#e4e1da}
@media (prefers-color-scheme:dark){:root{--bg:#171715;--fg:#ecebe7;--muted:#a3a09a;--accent:#7fc4a0;--line:#33322e}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:42rem;margin:0 auto;padding:3rem 1.25rem 4rem}
h1{font-size:1.9rem;line-height:1.2;margin:0 0 .25rem}
h2{font-size:1.15rem;margin:2rem 0 .5rem}
p,li{color:var(--fg)}
.sub{color:var(--muted);margin:0 0 2rem}
a{color:var(--accent)}
ul{padding-left:1.25rem}
nav{border-top:1px solid var(--line);margin-top:3rem;padding-top:1rem;color:var(--muted);font-size:.95rem}
nav a{margin-right:1rem}