*{margin:0;padding:0;box-sizing:border-box}
body{font-family:Arial,sans-serif;background:#f4f7fb;color:#222;line-height:1.6}
.container{width:90%;max-width:1100px;margin:auto}
header{background:#0b2d5c;color:#fff;position:sticky;top:0}
.nav{display:flex;justify-content:space-between;align-items:center;padding:18px 0}
.logo{font-size:30px;font-weight:bold}
.logo span{color:#3ea6ff}
nav a{color:#fff;text-decoration:none;margin:0 12px}
.btn{background:#1d8cff;color:#fff;padding:12px 22px;border-radius:6px;text-decoration:none;display:inline-block}
.secondary{background:#fff;color:#0b2d5c}
.hero{background:linear-gradient(135deg,#0b2d5c,#1565c0);color:#fff;padding:90px 0;text-align:center}
.hero h1{font-size:52px;margin-bottom:20px}
.hero p{max-width:760px;margin:0 auto 25px}
.buttons .btn{margin:8px}
section{padding:70px 0}
h2{text-align:center;margin-bottom:30px;font-size:36px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{background:#fff;padding:25px;border-radius:10px;box-shadow:0 8px 20px rgba(0,0,0,.08)}
.about{background:#eef5ff;text-align:center}
.contact{text-align:center}
footer{background:#0b2d5c;color:#fff;text-align:center;padding:30px 0}
@media(max-width:768px){
.nav{flex-direction:column;gap:15px}
.hero h1{font-size:36px}
}