*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.6;color:#1a1a2e;background:#f7f8fc}
header{display:flex;justify-content:space-between;align-items:center;padding:18px 40px;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.08);position:sticky;top:0;z-index:10}
.logo{font-weight:700;font-size:22px;color:#4f46e5;letter-spacing:-.5px}
nav a{margin-left:28px;text-decoration:none;color:#4b5563;font-weight:500;transition:color .2s}
nav a:hover{color:#4f46e5}
main{max-width:1100px;margin:0 auto;padding:0 24px}
.hero{text-align:center;padding:80px 20px 60px}
.hero h1{font-size:44px;font-weight:800;letter-spacing:-1px;margin-bottom:18px;background:linear-gradient(90deg,#4f46e5,#9333ea);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:19px;color:#6b7280;max-width:600px;margin:0 auto 30px}
.btn{display:inline-block;padding:14px 32px;background:#4f46e5;color:#fff;border-radius:10px;text-decoration:none;font-weight:600;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(79,70,229,.3)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px;padding:40px 0}
.card{background:#fff;border-radius:16px;padding:32px;box-shadow:0 2px 10px rgba(0,0,0,.05);transition:transform .2s}
.card:hover{transform:translateY(-4px)}
.card img{margin-bottom:16px}
.card h3{font-size:20px;margin-bottom:8px}
.card p{color:#6b7280;font-size:15px}
.cta{text-align:center;padding:60px 20px;background:#fff;border-radius:20px;margin:40px 0}
.cta h2{font-size:30px;margin-bottom:10px}
.cta p{color:#6b7280;font-size:17px}
footer{text-align:center;padding:40px 20px;color:#9ca3af;font-size:14px;border-top:1px solid #e5e7eb;margin-top:60px}
@media(max-width:640px){.hero h1{font-size:32px}header{padding:14px 20px}nav a{margin-left:16px;font-size:14px}}