сделал js для modal

assets/js/main.js

@@ -216,6 +216,41 @@ btnOpenSearchPhone.onclick = function () {
 
 // search end
 
+// open-modal
+
+let openModals = document.querySelectorAll('.open-modal'),
+    modal = document.querySelector('.modal');
+
+openModals.forEach(openModal => {
+    let modalName = openModal.dataset.modal;
+
+    openModal.onclick = function () {
+        let modalItem = document.querySelector(`.modal__item.${modalName}`);
+
+        modalItem.classList.add('active');
+        modal.classList.add('active');
+    }
+})
+
+modal.onclick = function (event) {
+    if (event.srcElement.classList.contains('modal')) {
+        document.querySelector(`.modal__item.active`).classList.remove('active');
+        modal.classList.remove('active');
+    }
+}
+
+let itemModels = document.querySelectorAll('.modal__item');
+
+itemModels.forEach(item => {
+    let btnClose = item.querySelector('.modal-item__close');
+
+    btnClose.onclick = function () {
+        item.classList.remove('active');
+        modal.classList.remove('active');
+    }
+})
+// open-modal end
+
 // resize
 window.addEventListener('resize', () => {
     let screenWidth = window.screen.width;