(function($) {
    "use strict";

    // sticky menu
    var wind = $(window);
    var sticky = $('.site-header');
    wind.on('scroll', function() {
        var scroll = wind.scrollTop();
        if (scroll < 100) {
            sticky.removeClass("sticky-menu");
        } else {
            $(".site-header").addClass("sticky-menu");
        }
    });

    //preloader
    $(window).on('load', function() {
        $("#loader").delay(1000).fadeOut(500);
    })

})(jQuery);