/* Menu de navigation partage - present sur toutes les pages */
#menuPrincipal {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
}

#menuPrincipal .menu-interieur {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
}

#menuPrincipal .menu-marque {
    font-weight: bold;
    color: white;
    margin-right: auto;
    font-size: 1.05em;
    letter-spacing: 0.3px;
}

#menuPrincipal .menu-lien {
    color: white;
    text-decoration: none;
    padding: 7px 14px;
    border-radius: 6px;
    font-size: 0.95em;
    transition: background 0.15s ease;
}

#menuPrincipal .menu-lien:hover {
    background: rgba(255, 255, 255, 0.18);
    text-decoration: none;
}

#menuPrincipal .menu-lien.menu-lien-externe::after {
    content: " \2197";
    font-size: 0.85em;
    opacity: 0.85;
}

@media (max-width: 600px) {
    #menuPrincipal .menu-marque {
        width: 100%;
        margin-bottom: 4px;
    }
}