*{box-sizing:border-box}
html,body{margin:0;padding:0;background:#0A0C10;color:#E6EBF0;font-family:Inter,-apple-system,Segoe UI,Roboto,Helvetica,Arial}
a{color:#1E88E5;text-decoration:none}
.nav{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:rgba(10,12,16,.6);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.08)}
.logo{height:56px}
.topnav a{margin-left:16px}
.cta{padding:10px 16px;border-radius:10px;background:linear-gradient(90deg,#1E88E5,#43A047,#FF9800);color:#0A0C10;font-weight:700;text-decoration:none}
.cta.big{padding:14px 22px;font-size:18px}
main{display:block}
.hero{max-width:1100px;margin:64px auto 24px;padding:0 24px;text-align:center}
.hero .icon{width:140px;height:140px;border-radius:28px;box-shadow:0 0 40px rgba(30,136,229,.25),0 0 60px rgba(255,152,0,.18);margin-bottom:16px}
.hero h1{font-size:48px;margin:8px 0 8px;background:linear-gradient(90deg,#E6EBF0,#A8C7FF);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:#cfd8e3;max-width:800px;margin:0 auto 24px}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;max-width:1100px;margin:24px auto;padding:0 24px}
.card{background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:18px;box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 10px 30px rgba(0,0,0,.35)}
.card h3{margin:8px 0 6px;color:#E6EBF0}
.card p{margin:0;color:#cfd8e3}
.signup{text-align:center;padding:48px 24px;margin:32px 0;background:radial-gradient(60% 80% at 50% 50%,rgba(30,136,229,.12),rgba(67,160,71,.10),rgba(10,12,16,0)),#0A0C10;border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05)}
.signup h2{font-size:32px;margin:0 0 8px}
.signup p{color:#cfd8e3;margin:0 0 16px}
.signup form{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.signup input{width:320px;max-width:90vw;padding:12px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.04);color:#E6EBF0;outline:none}
.signup button{padding:12px 18px;border-radius:10px;border:0;background:linear-gradient(90deg,#1E88E5,#43A047,#FF9800);color:#0A0C10;font-weight:700;cursor:pointer}
.hint{opacity:.85;margin-top:8px}
.footer{text-align:center;color:#9aa4b2;padding:24px 12px;border-top:1px solid rgba(255,255,255,.06);margin-top:32px}