body{
margin:0;
font-family:Arial,sans-serif;
background:#f5f8fc;
}

header{
display:flex;
justify-content:space-between;
align-items:center;
padding:15px 60px;
background:#fff;
box-shadow:0 4px 15px rgba(0,0,0,.08);
}

.logo img{
width:80px;
}

nav ul{
display:flex;
gap:20px;
list-style:none;
}

nav a{
text-decoration:none;
font-weight:bold;
color:#0b3d91;
}

.hero{
padding:100px 10%;
text-align:center;
background:linear-gradient(135deg,#0b3d91,#184da5);
color:#fff;
}

.banner img{
width:100%;
height:450px;
object-fit:cover;
}

.section{
padding:60px 10%;
}

.grid{
display:grid;
grid-template-columns:repeat(4,1fr);
gap:20px;
}

.card{
padding:20px;
background:#fff;
border-radius:10px;
box-shadow:0 5px 15px rgba(0,0,0,.08);
}

footer{
background:#081d42;
color:#fff;
padding:40px;
text-align:center;
}