:root{
--bg:#0f172a;
--card:#111827;
--text:#f8fafc;
--muted:#94a3b8;
--accent:#f59e0b;
--max:1150px;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
.narrow{max-width:850px}

.header{background:#020617;padding:18px 0;border-bottom:1px solid #1e293b}
.brand{font-size:20px;font-weight:bold;margin-bottom:10px}
.nav{display:flex;flex-wrap:wrap;gap:8px}
.nav a{color:var(--muted);text-decoration:none;font-size:13px;padding:6px 8px;border:1px solid #1e293b;border-radius:4px}
.nav a:hover{color:var(--accent);border-color:var(--accent)}

.hero{padding:90px 0;background:linear-gradient(135deg,#1e293b,#0f172a)}
.hero h1{font-size:40px;margin-bottom:20px;color:var(--accent)}
.lead{color:var(--muted)}

.section{padding:70px 0;background:var(--card)}
.section h2{color:var(--accent);margin-top:40px;font-size:26px}
.section p{margin:14px 0;color:var(--muted)}

.footer{padding:30px 0;text-align:center;background:#020617;color:var(--muted);font-size:14px;margin-top:40px}

@media(max-width:768px){
.hero h1{font-size:30px}
.nav{gap:6px}
}