body{margin:0;font-family:Arial;}
.nav{background:#0a2a66;color:white;padding:15px;}
.hero{position:relative;}
.hero-bg{width:100%;height:auto;}
.overlay{position:absolute;width:100%;height:100%;background:rgba(0,0,0,0.5);top:0;}
.hero-content{position:absolute;top:50%;left:8%;transform:translateY(-50%);color:white;}
.btn{display:inline-block;margin-top:15px;padding:12px 20px;background:#25D366;color:white;text-decoration:none;border-radius:6px;}
.services{text-align:center;padding:40px;}
.grid{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;}
.card{background:#f4f4f4;padding:20px;border-radius:10px;width:200px;}
.contact{text-align:center;padding:40px;background:#fafafa;}
footer{background:#0a2a66;color:white;text-align:center;padding:10px;}
.float{position:fixed;bottom:20px;right:20px;background:#25D366;color:white;padding:15px;border-radius:50%;}