:root{--accent:#00b4ff;--nav:#0a3d62;--dark:#0b1420;}
*{box-sizing:border-box}
body{font-family:Arial, Helvetica, sans-serif;margin:0;color:var(--dark);background:#f8fbff}
.header{background:linear-gradient(90deg,#0077cc 0%,#00b4ff 100%);color:#fff;padding:18px 12px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:64px}
.brand h1{margin:0;font-size:20px}
.cta{background:#fff;color:#0077cc;padding:8px 12px;border-radius:6px;text-decoration:none;font-weight:700}
.container{max-width:1100px;margin:24px auto;padding:0 16px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border-radius:10px;padding:16px;box-shadow:0 6px 18px rgba(11,20,32,0.06)}
.hero{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.hero h2{margin:0 0 8px 0;font-size:28px}
.services ul{list-style:none;padding:0;margin:0}
.services li{padding:8px 0;border-bottom:1px solid #f0f4f7}
.footer{background:var(--nav);color:#fff;padding:18px 12px;margin-top:24px;text-align:center}
nav{background:var(--nav);padding:8px;text-align:center}
nav a{color:#fff;margin:0 12px;text-decoration:none;font-weight:600}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid{grid-template-columns:1fr}.brand img{height:48px}.header{padding:12px}}