/*woow js*/ 
  new WOW().init();
  
/*for scroll*/
window.onscroll = function() {stickyFunction()};

function stickyFunction() {
	var navbar = document.getElementById("nav-wrapper");
  var sticky = $("#nav-wrapper").outerHeight();

  if (window.pageYOffset >= sticky) {
    navbar.classList.add("sticky")
  } else {
    navbar.classList.remove("sticky");
  }
};
var $grid = $('.grid').isotope({
  itemSelector: '.element-item',
  layoutMode: 'fitRows'
});
// filter functions
var filterFns = {
};
// bind filter button click
$('.filters-button-group').on( 'click', 'li', function() {
  var filterValue = $( this ).attr('data-filter');
  // use filterFn if matches value
  filterValue = filterFns[ filterValue ] || filterValue;
  $grid.isotope({ filter: filterValue });
});
// change is-checked class on buttons
$('.btn-grp').each( function( i, buttonGroup ) {
  var $buttonGroup = $( buttonGroup );
  $buttonGroup.on( 'click', 'li', function() {
    $buttonGroup.find('.is-checked').removeClass('is-checked');
    $( this ).addClass('is-checked');
  });
});

/*equal height*/
$(function() {
  $('.service-single-item').matchHeight();
});