body{
font-family:Arial,Helvetica,sans-serif;
margin:0;
background:#f4f6f9;
color:#333;
}

header{
background:#002b5c;
color:white;
padding:40px;
text-align:center;
}

nav{
margin-top:20px;
}

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

.hero{
padding:80px;
text-align:center;
background:white;
}

button{
background:#0066ff;
color:white;
padding:15px 30px;
border:none;
border-radius:8px;
font-size:18px;
cursor:pointer;
}

.cards{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:25px;
padding:40px;
}

.card{
background:white;
padding:25px;
border-radius:10px;
box-shadow:0 2px 8px rgba(0,0,0,.1);
}

footer{
background:#002b5c;
color:white;
text-align:center;
padding:25px;
margin-top:40px;
}