body{
    margin:0;
    font-family: Arial, Helvetica, sans-serif;
    background:#000;
    color:#fff;
    display:flex;
    flex-direction:column;
    min-height:100vh;
}

header{
    text-align:center;
    padding:25px;
    font-size:2rem;
    font-weight:bold;
}

main{
    flex:1;
    display:flex;
    flex-direction:column;
    align-items:center;
    padding:40px 20px;
}

.subtitle{
    font-size:1.5rem;
    margin-bottom:40px;
}

.button-container{
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(160px,1fr));
    gap:15px;
    width:80%;
    max-width:900px;
    padding-bottom:200px;
}

button{
    padding:14px;
    background:transparent;
    border:2px solid white;
    color:white;
    font-size:1rem;
    cursor:pointer;
    transition:0.2s;
}

button:hover{
    background:white;
    color:black;
}

footer{
    position:fixed;
    bottom:0;
    width:100%;
    text-align:center;
    padding:12px;
    font-size:0.9rem;
    border-top:1px solid #444;
    background:#000;
}