$(function($) {


    /* Var */

    var $body_html = $('body, html'),
        $html = $('html'),
        $body = $('body'),

        $navigation = $('#navigation'),
        navigation_height = $navigation.height() - 20,

        $scroll_to_top = $('#scroll-to-top');

    if (navigation_height <= 0) navigation_height = 60;

    /* mobile */

    var ua_test = /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i,
        is_mobile = ua_test.test(navigator.userAgent);

    $html.addClass(is_mobile ? 'mobile' : 'no-mobile');

    /* Parallax */

    $.stellar({
        responsive: true,
        horizontalOffset: 0,
        verticalOffset: 0,
        horizontalScrolling: false,
        hideDistantElements: false
    });

    /* ScrollSpy */

    $body.scrollspy({
        offset:  51,
        target: '#navigation'
    });

    /* Affixed Navbar */

    $('.affix').affix({
        offset: {
            top: navigation_height
        }
    });

    /* Dropdown */

    if (is_mobile) {
        $('.dropdown-toggle').each(function() {
            $(this).attr('data-toggle', 'dropdown');
        });
    }


});