:root{
  --bg:#f8fafc;
  --accent:#003366;
  --muted:#6b7a8a;
  --card:#ffffff;
  --radius:14px;
  --max-w:1100px;
  --ff: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--ff);color:#1c2b39;background:var(--bg)}
.container{max-width:var(--max-w);margin:0 auto;padding:24px}
header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:rgba(255,255,255,0.96);position:fixed;top:0;width:100%;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,0.04)}
.logo img{height:52px}
nav a{margin-left:20px;text-decoration:none;color:var(--accent);font-weight:600}
.hero{margin-top:84px;border-radius:12px;overflow:hidden;box-shadow:0 10px 30px rgba(3,15,34,0.06)}
.hero .inner{background:linear-gradient(rgba(0,51,102,0.72),rgba(0,51,102,0.72)), url('https://images.unsplash.com/photo-1521791136064-7986c2920216?auto=format&fit=crop&w=1600&q=80') center/cover;padding:140px 20px;text-align:center;color:#fff}
.hero h1{font-size:44px;margin:0 0 10px}
.hero p{font-size:18px;margin:0 0 18px;opacity:0.95}
.btn{background:#fff;color:var(--accent);padding:12px 22px;border-radius:30px;text-decoration:none;font-weight:700;display:inline-block}
.section{padding:64px 20px}
.section-title{color:var(--accent);font-size:26px;text-align:center;margin-bottom:26px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;max-width:1100px;margin:0 auto}
.card{background:var(--card);padding:22px;border-radius:12px;box-shadow:0 8px 18px rgba(3,15,34,0.06);text-align:left}
.card h3{color:var(--accent);margin-top:0}
.card p{color:var(--muted);line-height:1.5}
.footer{background:var(--accent);color:#fff;padding:20px;text-align:center;margin-top:30px}
.contact-box{max-width:800px;margin:0 auto;background:#fff;padding:30px;border-radius:12px;box-shadow:0 8px 18px rgba(3,15,34,0.06);text-align:center}
.small{color:var(--muted);font-size:14px}
@media(max-width:800px){.hero .inner{padding:96px 16px}.hero h1{font-size:28px}nav a{display:none}}