*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Arial,sans-serif;
}

body{
background:#f4f7fb;
color:#222;
}

header{
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 10%;
background:#0b3d91;
color:white;
position:sticky;
top:0;
}

header a{
color:white;
text-decoration:none;
margin-left:20px;
}

.hero{
background:linear-gradient(135deg,#0b3d91,#1e88e5);
color:white;
text-align:center;
padding:100px 20px;
}

.hero h1{
font-size:48px;
margin-bottom:20px;
}

.hero p{
font-size:20px;
margin-bottom:30px;
}

.btn{
background:#ff9800;
color:white;
padding:12px 30px;
text-decoration:none;
border-radius:5px;
}

.about,.services,.contact{
padding:60px 10%;
text-align:center;
}

.cards{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
gap:20px;
margin-top:30px;
}

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

.card:hover{
transform:translateY(-8px);
}

footer{
background:#0b3d91;
color:white;
text-align:center;
padding:20px;
margin-top:40px;
}