body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f7fb;
    color: #222;
}

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

h1 {
    color: #2563eb;
    font-size: 36px;
}

p {
    font-size: 18px;
}

button {
    background: #2563eb;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    cursor: pointer;
}

button:hover {
    background: #1d4ed8;
}