*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial,Helvetica,sans-serif;
}

body{
    background:#090909;
    color:white;
    padding:40px;
}

h1{
    text-align:center;
    margin-bottom:35px;
    color:#00d9ff;
}

#grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(350px,1fr));
    gap:25px;
}

.card{
    background:#161616;
    border:1px solid #2d2d2d;
    border-radius:15px;
    padding:22px;
    transition:.25s;
}

.card:hover{
    transform:translateY(-8px);
    border-color:#00d9ff;
    box-shadow:0 0 25px rgba(0,217,255,.35);
}

.card h2{
    color:#00d9ff;
    margin-bottom:12px;
}

.card p{
    color:#c9c9c9;
    line-height:1.6;
    margin-bottom:18px;
}

button{
    background:#00d9ff;
    color:black;
    border:none;
    padding:10px 18px;
    border-radius:8px;
    cursor:pointer;
    font-weight:bold;
    transition:.2s;
}

button:hover{
    background:white;
}