(function(){
  // PASTE YOUR GOOGLE APPS SCRIPT WEB APP URL HERE
  var FORM_ACTION_URL = "https://script.google.com/macros/s/AKfycbydV5oSu8y62pRQSJFZIp9294LvglbdowUdN14X73hGHR1HHnWOKz5zh4rvxW2uPebuMw/exec";

  function init(){
    var form = document.getElementById('dsaEnquiryForm');
    var status = document.getElementById('dsaStatus');
    var btn = document.getElementById('dsaSubmitBtn');
    if(!form) return;

    form.addEventListener('submit', function(e){
      e.preventDefault();

      if(FORM_ACTION_URL.indexOf('PASTE_YOUR') === 0){
        status.textContent = 'Form is not connected yet — add your Web App URL in the script.';
        status.className = 'dsa-status dsa-error';
        return;
      }

      btn.disabled = true;
      btn.textContent = 'Submitting...';
      status.textContent = '';
      status.className = 'dsa-status';

      var formData = new FormData(form);

      fetch(FORM_ACTION_URL, {
        method: 'POST',
        mode: 'no-cors',
        body: formData
      })
      .then(function(){
        status.textContent = 'Thank you! We will contact you shortly.';
        status.className = 'dsa-status dsa-success';
        form.reset();
      })
      .catch(function(){
        status.textContent = 'Something went wrong. Please try again or call us directly.';
        status.className = 'dsa-status dsa-error';
      })
      .finally(function(){
        btn.disabled = false;
        btn.textContent = 'Book Free Demo Class \u2192';
      });
    });
  }

  if(document.readyState === 'loading'){
    document.addEventListener('DOMContentLoaded', init);
  } else {
    init();
  }
})();