body{
font-family:Arial;
margin:0;
background:#f4f6f9;
}

header{
background:#0a2540;
color:white;
padding:30px;
text-align:center;
}

nav{
background:#132f4c;
padding:12px;
text-align:center;
}

nav a{
color:white;
margin:15px;
text-decoration:none;
font-weight:bold;
}

.hero{
padding:80px;
text-align:center;
background:#1e3c72;
color:white;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:20px;
padding:40px;
}

.card{
background:white;
padding:20px;
border-radius:10px;
box-shadow:0 5px 15px rgba(0,0,0,0.1);
}

footer{
text-align:center;
padding:20px;
background:#0a2540;
color:white;
}