:root{--bg:#fbfaf7;--fg:#1d1d1f;--muted:#5b5b60;--accent:#b4531f}
@media (prefers-color-scheme:dark){:root{--bg:#151517;--fg:#f2f2f2;--muted:#a3a3aa;--accent:#f0915a}}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
main{max-width:680px;margin:0 auto;padding:48px 16px}
h1{font-size:2rem;line-height:1.2;margin:0 0 .5rem}
h2{font-size:1.15rem;margin-top:2rem}
p,li{color:var(--muted)}
a{color:var(--accent)}
footer{margin-top:3rem;font-size:.9rem;color:var(--muted)}