/**
 * Dropdown menu
 */
document.addEventListener('DOMContentLoaded', function() {
    const menus = document.querySelectorAll('.navbar-burger');
    const dropdowns = document.querySelectorAll('.navbar-menu');

    if (menus.length && dropdowns.length) {
        for (var i = 0; i < menus.length; i++) {
            menus[i].addEventListener('click', function() {
                for (var j = 0; j < dropdowns.length; j++) {
                    dropdowns[j].classList.toggle('is-active');
                }
            });
        }
    }
});