script.js

$(document).ready(function () {
  $('.navbar-toggler').click(function () {
    $('.navbar-toggler').toggleClass('change');

  })

  //window scroll

  $(window).scroll(function () {
    let position = $(this).scrollTop();

    if (position >= 149) {
      $('.navbar').addClass('navbar-background')
      $('.navbar').addClass('fixed-top');
    } else {
      $('.navbar').removeClass('navbar-background');
      $('.navbar').removeClass('fixed-top');
    }
  })
  //smooth scroll
  $('.nav-item a').click(function (link) {
    link.preventDefault();
    let target = $(this).attr('href');
    $('html, body').stop().animate({
      scrollTop: $(target).offset().top
    }, 2000);

  })
//banner scroll

  $('.banner-btn').click(function (link) {
    link.preventDefault();
    let target = $(this).attr('href');
    $('html, body').stop().animate({
      scrollTop: $(target).offset().top
    }, 3000);

  })

  // Isotope
  let $grid = $('.grid').isotope({
    // options
  });
  // filter items on button click
  $('.filter-button-group').on('click', 'button', function () {
    let filterValue = $(this).attr('data-filter');
    $grid.isotope({
      filter: filterValue
    });
  });

})