:root{--bg:#0f1115;--fg:#e8e8e8;--muted:#888;--card:#1a1d24;--border:#2a2f3a;--accent:#6fb6ff}
*{box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;max-width:720px;margin:60px auto;padding:20px;background:var(--bg);color:var(--fg);line-height:1.6}
h1{font-weight:200;font-size:2.2rem;margin:0 0 .5rem;letter-spacing:-.02em}
h1 span{color:var(--muted)}
h2{font-weight:400;font-size:1.15rem;margin:2rem 0 .5rem;color:var(--accent)}
.subtitle{color:var(--muted);margin-bottom:2rem}
a{color:var(--accent)}
ul{padding-left:1.2rem}
li{margin:.4rem 0}
.note{font-size:.85rem;color:#666;margin-top:3rem;padding-top:1rem;border-top:1px solid var(--border)}
nav{margin-top:2rem;font-size:.9rem}
nav a{margin-right:1rem}