text: $(document).ready(function () {
  
  
      let $btns = $('.project-area .button-group button');
  
  
      $btns.click(function (e) {
  
          $('.project-area .button-group button').removeClass('active');
          e.target.classList.add('active');
  
          let selector = $(e.target).attr('data-filter');
          $('.project-area .grid').isotope({
              filter: selector
          });
  
          return false;
      })
  
      $('.project-area .button-group #btn1').trigger('click');
  
      $('.project-area .grid .test-popup-link').magnificPopup({
          type: 'image',
          gallery: { enabled: true },
          zoom:{
              enabled: true,
              duration: 600,
              easing: 'ease-in-out'
          }
      });
  
  
      // Owl-carousel
  
      $('.site-main .about-area .owl-carousel').owlCarousel({
          loop: true,
          autoplay: true,
          dots: true,
          responsive: {
              0: {
                  items: 1
              },
              560: {
                  items: 2
              }
          }
      })
  
      // sticky navigation menu
  
      let nav_offset_top = $('.header_area').height() + 50;
  
      function navbarFixed() {
          if ($('.header_area').length) {
              $(window).scroll(function () {
                  let scroll = $(window).scrollTop();
                  if (scroll >= nav_offset_top) {
                      $('.header_area .main-menu').addClass('navbar_fixed');
                  } else {
                      $('.header_area .main-menu').removeClass('navbar_fixed');
                  }
              })
          }
      }
  
      navbarFixed();
  
  });