:root{
  --bg:#0c0f14;
  --card:#121621;
  --text:#e7e9ee;
  --muted:#9aa3b2;
  --accent:#7c5cff;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
}
.container{max-width:860px;margin:auto;padding:40px 24px}
.card{background:var(--card);border-radius:18px;padding:28px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
h1,h2,h3{line-height:1.25}
h1{font-size:clamp(28px,4vw,40px);margin:0 0 12px 0}
h2{font-size:clamp(20px,3vw,26px);margin-top:28px}
p,li{font-size:17px;color:var(--text)}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.muted{color:var(--muted)}
.nav{display:flex;gap:16px;margin-bottom:16px;flex-wrap:wrap}
.footer{margin-top:28px;font-size:14px;color:var(--muted)}
code{background:#0b0e13;padding:.1rem .3rem;border-radius:6px}
ul{padding-left:20px}
hr{border:0;border-top:1px solid rgba(255,255,255,0.08);margin:20px 0}
blockquote{margin:0;padding:10px 14px;border-left:3px solid var(--accent);background:#0b0e13;border-radius:8px}