body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #000;
    color: #ccc;
}

header {
    text-align: center;
    padding: 100px 20px 60px;
    background: linear-gradient(to bottom, #000, #1e1e2f);
    color: #00aaff;
}

header h1 {
    font-size: 2.5rem;
    margin: 0;
}

header p {
    font-size: 1.2rem;
    margin-top: 10px;
    color: #ccc;
}

.whatsapp-button {
    display: inline-block;
    margin-top: 30px;
    padding: 15px 25px;
    background-color: #00aaff;
    color: white;
    font-size: 1rem;
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.whatsapp-button:hover {
    background-color: #0077cc;
}

footer {
    background-color: #111;
    padding: 40px 20px;
    text-align: center;
    color: #aaa;
    font-size: 0.95rem;
}

@media (max-width: 600px) {
    header h1 {
        font-size: 1.8rem;
    }
    header p {
        font-size: 1rem;
    }
    footer {
        font-size: 0.85rem;
    }
    .whatsapp-button {
        width: 80%;
    }
}