My Nav Menu works on desktop, but is not mobile responsive

My Nav Menu works on desktop fine, but not when screens are smaller.

So far, I have Home, Services, About, Blog and Projects (all Nav Links except Services [which is a Text Block) which may be why it’s all over the place if not altogether not visible, along with its subnavs. Btw, the Services section has subdomains when hovered over.

Would really appreciate anyone’s help. Thanks

Screen Shot 2021-10-13 at 12.09.39 AM
Screen Shot 2021-10-13 at 12.09.51 AM
Screen Shot 2021-10-13 at 12.10.28 AM

Here’s the read-only link to my site.
https://preview.webflow.com/preview/dennis-stunning-premium-project?utm_medium=preview_link&utm_source=designer&utm_content=dennis-stunning-premium-project&preview=76a488c5d271e1d6501f37f9f0f6859e&workflow=preview


Here is my site Read-Only: LINK
(how to share your site Read-Only link)