body{font-family:Inter,system-ui,Arial,sans-serif;background:#0b0f14;color:#e9f0f5;margin:0} .nav{padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.15)} .brand{font-weight:700} .hero{padding:64px 20px;text-align:center} .btn{display:inline-block;margin-top:12px;padding:10px 14px;border-radius:10px;background:#00e7c3;color:#002e2a;font-weight:700} .hero-art{height:160px;background:radial-gradient(60% 80% at 50% 120%, rgba(0,231,195,.25) 0%, rgba(0,0,0,0) 60%);}