body{margin:0;font-family:Arial,sans-serif;background:#0b0f19;color:#fff}
header{display:flex;justify-content:space-between;align-items:center;padding:20px 8%;position:sticky;top:0;background:#0b0f19}
.logo{font-size:30px;font-weight:700}.logo span{color:#00e701}
nav a{color:#fff;text-decoration:none;margin-left:20px}
.hero{padding:100px 8%;text-align:center}
.btn{display:inline-block;padding:14px 28px;background:#00e701;color:#000;text-decoration:none;border-radius:8px;font-weight:bold}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;padding:50px 8%}
.card{background:#171f2d;padding:20px;border-radius:14px}
section{padding:30px 8%}footer{padding:30px 8%;background:#111827;margin-top:40px}
h1{font-size:54px}h2{color:#00e701}