:root {
    --bg:#070b17;
    --card:#121936;
    --text:#f8fafc;
    --muted:#cbd5e1;
    --primary:#4f46e5;
    --accent:#22d3ee;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,sans-serif;background:linear-gradient(180deg,#070b17,#0b1020);color:var(--text)}
a{color:#c7d2fe;text-decoration:none}
.container{width:min(1200px,calc(100% - 32px));margin:0 auto}
.section{padding:70px 0}
.card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:24px}
.btn{display:inline-block;padding:12px 18px;border-radius:14px;background:linear-gradient(135deg,var(--primary),#7c3aed);color:#fff;font-weight:700}