body{background:#070810;color:#f5f7ff;font-family:Inter,system-ui,-apple-system,sans-serif;margin:0;line-height:1.65}main,header,footer{max-width:900px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center}a{color:#72f1c7}nav a{margin-left:16px}h1{font-size:clamp(2rem,6vw,4rem);line-height:1.05}h2{margin-top:2.5rem}.card{background:#10121d;border:1px solid #262a3b;border-radius:18px;padding:24px;margin:24px 0}.muted{color:#aeb5ca}.cta{display:inline-block;background:#72f1c7;color:#07110e;padding:10px 16px;border-radius:10px;text-decoration:none;font-weight:700}footer{color:#aeb5ca;border-top:1px solid #262a3b;margin-top:48px}@media(max-width:650px){nav{display:none}}