body{margin:0;background:#070707;color:#fff;font-family:Arial,sans-serif}
header{display:flex;justify-content:space-between;padding:20px 8%;position:sticky;top:0;background:#111a}
a{color:#9cf;text-decoration:none;margin-left:16px}
.hero{padding:120px 8%;background:radial-gradient(circle at top,#2b3cff,#070707 60%)}
.btn,button{background:#4f7cff;color:#fff;padding:12px 20px;border:none;border-radius:10px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;padding:40px 8%}
.card{background:#181818;border:1px solid #333;border-radius:18px;padding:16px}
.card img{width:100%;border-radius:12px}
footer{text-align:center;padding:30px;color:#aaa}