body{
    margin:0;
    font-family:Arial,sans-serif;
    background:#0f172a;
    color:white;
    display:flex;
    justify-content:center;
    align-items:center;
    min-height:100vh;
    text-align:center;
}
.container{
    max-width:800px;
    padding:30px;
}
h1{
    color:#7c3aed;
    font-size:4rem;
}
h2{
    margin-bottom:20px;
}
p{
    line-height:1.7;
    margin-bottom:30px;
}
.btn{
    display:inline-block;
    padding:15px 30px;
    background:#7c3aed;
    color:white;
    text-decoration:none;
    border-radius:8px;
    font-weight:bold;
}
footer{
    margin-top:40px;
    opacity:0.8;
}