/* Menu principal dans l'en-tête */
nav#header ul {
    list-style: none;
    padding: 0;
    margin: 1em 0 0 0;
    display: flex;
    justify-content: center;
    gap: 2em;
}

nav#header ul a {
    text-decoration: none;
    color: white;
    font-weight: bold;
    padding: 0.5em 1em;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav#header ul a:hover {
    background-color: #555;
}


/* Responsive menu */
@media screen and (max-width: 768px) {
    nav#header ul {
        flex-direction: column;
        align-items: center;
        gap: 1em;
    }

    nav#header ul a {
        padding: 0.75em 1.5em;
        width: 100%;
        text-align: center;
    }
}