body{
margin:0;
font-family:Arial;
}

.hero{
background:#1e3a8a;
color:white;
padding:120px 20px;
text-align:center;
}

.grid{
display:grid;
grid-template-columns:repeat(3,1fr);
gap:20px;
padding:40px;
}

.card{
padding:30px;
background:white;
box-shadow:0 5px 15px rgba(0,0,0,.1);
border-radius:10px;
text-align:center;
}