.hero{
background:#0f172a;
color:white;
padding:120px;
text-align:center;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:20px;
padding:50px;
}

.card{
background:white;
padding:25px;
border-radius:12px;
box-shadow:0 5px 15px rgba(0,0,0,.1);
}