*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{

    font-family:Arial,Helvetica,sans-serif;

    background:linear-gradient(135deg,#0f172a,#1e3a8a);

    color:white;

    height:100vh;

    display:flex;

    justify-content:center;

    align-items:center;

}

.hero{

    text-align:center;

    max-width:700px;

}

h1{

    font-size:52px;

    margin-bottom:25px;

}

p{

    font-size:22px;

    margin-bottom:40px;

}

button{

    padding:15px 35px;

    font-size:18px;

    border:none;

    border-radius:12px;

    cursor:pointer;

    background:#22c55e;

    color:white;

    transition:.3s;

}

button:hover{

    transform:scale(1.05);

    background:#16a34a;

}

#mensaje{

    margin-top:35px;

    color:#fde047;

}