body{
margin:0;
font-family:Arial, sans-serif;
background:#f5f7fa;
}

header{
background:#0d1b2a;
color:white;
padding:15px;
text-align:center;
}

.hero{
background:#1b263b;
color:white;
text-align:center;
padding:60px 20px;
}

.btn{
display:inline-block;
padding:10px 20px;
background:#e63946;
color:white;
text-decoration:none;
border-radius:5px;
margin-top:15px;
}

.section{
padding:40px 20px;
text-align:center;
}

.card{
background:white;
padding:20px;
margin:10px;
border-radius:8px;
box-shadow:0 4px 10px rgba(0,0,0,0.1);
}

footer{
background:#0d1b2a;
color:white;
text-align:center;
padding:15px;
margin-top:30px;
}