body{
font-family: Arial, Helvetica, sans-serif;
margin:0;
background:#f4f6f8;
color:#333;
}

header{
background:#0f172a;
color:white;
padding:20px 60px;
}

nav a{
color:#ddd;
margin-right:20px;
text-decoration:none;
}

.hero{
padding:80px 60px;
background:white;
}

.container{
padding:50px 60px;
}

.grid{
display:flex;
gap:30px;
}

.card{
background:white;
padding:25px;
border-radius:8px;
box-shadow:0 3px 10px rgba(0,0,0,0.1);
flex:1;
}

footer{
background:#111;
color:#aaa;
padding:30px;
text-align:center;
margin-top:40px;
}