body {
    background-color: white;
    font-family: 'Poppins', sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

h1 {
    font-size: 3em;
    color: #333;
    margin-bottom: 10px;
    transition: transform 0.3s ease;
}

h2 {
    font-size: 1.5em;
    color: #555;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

h1:hover, h2:hover {
    transform: translateY(-3px);
}

/* Styles pour les boutons */
button {
    display: inline-block;
    margin: 20px;
    padding: 15px 40px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    text-align: center;
    font-family: "Segoe UI Semibold", sans-serif;
    color: #fff;
    font-size: 18px;
    text-transform: uppercase;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

button:hover {
    transform: translateY(-3px);
}

@media (max-width: 480px) {
    h1 {
        font-size: 2em;
    }

    h2 {
        font-size: 1.2em;
    }

    button {
        padding: 10px 20px;
        font-size: 0.9em;
    }
}