body{
font-family:Arial,Helvetica,sans-serif;
margin:0;
background:#f4f7fb;
color:#333;
}

header{
background:#0b3d91;
color:white;
padding:15px 40px;
}

nav{
display:flex;
justify-content:space-between;
align-items:center;
}

nav a{
color:white;
margin-left:20px;
text-decoration:none;
font-size:14px;
}

.hero{
background:#0d47a1;
color:white;
padding:60px;
text-align:center;
}

.container{
max-width:1100px;
margin:auto;
padding:40px 20px;
}

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

.card{
background:white;
padding:25px;
border-radius:6px;
box-shadow:0 2px 5px rgba(0,0,0,0.08);
}

footer{
background:#111;
color:#aaa;
text-align:center;
padding:40px;
margin-top:40px;
}