(function($) {
    "use strict"; // Start of use strict

    // ----- COUNTER ----- //
    var a = 0;
    $(window).scroll(function() {
        if ($('#counter').length) {
            var oTop = $('#counter').offset().top - window.innerHeight;
            if (a == 0 && $(window).scrollTop() > oTop) {
                $('.counter-value').each(function() {
                    var $this = $(this),
                        countTo = $this.attr('data-count');
                    $({
                        countNum: $this.text()
                    }).animate({
                            countNum: countTo
                        },

                        {
                            duration: 2000,
                            easing: 'swing',
                            step: function() {
                                $this.text(Math.floor(this.countNum));
                            },
                            complete: function() {
                                $this.text(this.countNum);
                            }

                        });
                });
                a = 1;
            }
        }
        
    });

})(jQuery); // End of use strict