body{
margin:0;
font-family:Arial,sans-serif;
background:#0f172a;
color:white;
}

header{
background:#2563eb;
padding:20px;
text-align:center;
}

nav a{
color:white;
text-decoration:none;
margin:15px;
font-weight:bold;
}

.hero{
padding:100px 20px;
text-align:center;
}

.hero h2{
font-size:50px;
}

.hero p{
font-size:20px;
max-width:700px;
margin:auto;
line-height:1.8;
}

.btn{
display:inline-block;
margin-top:25px;
padding:15px 35px;
background:#22c55e;
color:white;
text-decoration:none;
border-radius:30px;
}

.btn:hover{
background:#16a34a;
}