:root { --bg:#0f1115; --text:#e9e9ee; --muted:#a7a7b3; --brand:#7bd389; }
*{box-sizing:border-box} body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu}
a{color:var(--brand);text-decoration:none}
.container{max-width:980px;margin:0 auto;padding:24px}
.header{display:flex;align-items:center;justify-content:space-between}
.logo{font-weight:800;letter-spacing:.3px}
.nav a{margin-left:16px;color:var(--text)}
.footer{color:var(--muted);font-size:14px;border-top:1px solid #1b1e26;margin-top:40px}
.hero{padding:40px 0}
h1{font-size:36px;margin:0 0 12px}
h2{font-size:28px;margin:0 0 12px}
p{margin:0 0 12px}
.btn{display:inline-block;background:var(--brand);color:#0b0d10;padding:10px 16px;border-radius:10px;font-weight:700}
.link{margin-left:12px}
.notfound{padding:60px 0;text-align:center}