:root{color-scheme:dark;--bg:#121212;--surface:#1C1C1C;--line:#2A2A2A;--text:#F5F5F5;--muted:#A3A3A3;--sand:#D9C6A5}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
main{max-width:720px;margin:0 auto;padding:40px 20px 64px}
header{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:32px}
.logo{font-weight:800;font-size:22px;letter-spacing:-.02em;color:var(--text);text-decoration:none}
.logo span{color:var(--sand)}
nav a{color:var(--muted);font-size:14px}
h1{font-size:30px;line-height:1.15;letter-spacing:-.02em;margin:0 0 8px}
h2{font-size:19px;margin:32px 0 8px}
p,li{color:var(--text)}
.muted{color:var(--muted)}
ul{padding-left:20px}
li{margin:6px 0}
a{color:var(--sand)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;margin-top:24px}
footer{margin-top:48px;color:var(--muted);font-size:14px}