Functionalities
1. Required: If required fields are left unfilled, they will be highlighted in red borders.
2. Email Validation: To assist users in identifying errors when entering an incorrectly formatted email, a brief error message will now be displayed.
3. Security: Google reCaptcha has now been integrated. If users use 'auto-fill' on browsers, an error pop-up message will appear to prevent spam submissions.
4. Success: A success pop-up message will appear upon successful form submission.