tListener('submit', function(event) {
                event.preventDefault(); // Prevent the form from submitting in the traditional way
            
                // Show the modal popup
                const modal = document.getElementById('popupModal');
                modal.style.display = 'block';
            
                // Clear the input field
                this.querySelector('input[type="email"]').value = '';
            
                // Hide the modal when the close button is clicked
  