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

header{
background:#0a2540;
color:white;
padding:15px 40px;
display:flex;
justify-content:space-between;
align-items:center;
}

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

.hero{
background:#0077b6;
color:white;
text-align:center;
padding:120px 20px;
}

.btn{
background:white;
color:#0077b6;
padding:10px 20px;
text-decoration:none;
border-radius:5px;
}

.services{
padding:50px;
text-align:center;
}

.service-box{
display:flex;
justify-content:center;
flex-wrap:wrap;
}

.card{
border:1px solid #ddd;
padding:20px;
margin:15px;
width:250px;
border-radius:8px;
}

footer{
background:#0a2540;
color:white;
text-align:center;
padding:20px;
}