:root{
--primary:#0b2341;
--accent:#19a7ff;
--bg:#f5f7fb;
}
*{box-sizing:border-box}
body{margin:0;font-family:Segoe UI,Arial,sans-serif;background:var(--bg);color:#222}
header{background:var(--primary);position:sticky;top:0;z-index:1000}
.navwrap{max-width:1200px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:10px 20px}
.logo img{height:70px}
nav{display:flex;gap:18px;flex-wrap:wrap}
nav a{color:#fff;text-decoration:none;font-weight:600}
.hero{background:linear-gradient(135deg,#123d6b,#081a2e);color:#fff;padding:90px 20px;text-align:center}
.hero h1{font-size:2.6rem;margin-bottom:10px}
.container{max-width:1200px;margin:auto;padding:40px 20px}
.card{background:#fff;border-radius:12px;padding:25px;box-shadow:0 3px 12px rgba(0,0,0,.08);margin:20px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
footer{background:var(--primary);color:#fff;text-align:center;padding:25px;margin-top:40px}
ul{padding-left:20px}
@media (max-width:768px){
.navwrap{flex-direction:column}
.logo img{height:55px;max-width:95%}
nav{justify-content:center}
nav a{padding:8px}
.hero{padding:55px 15px}
.hero h1{font-size:1.8rem}
.container{padding:20px 15px}
.card{padding:18px}
.grid{grid-template-columns:1fr}
}