Menu dropdown problem on tablet layout

Design help Layout & Design
1

I don’t understand why the dropdown menu appears below my header when I press on the menu button in tablet view. I will add a video here to show what I mean. You can also find my “read-only” below.

Thanks!

Video:

Read-Only:

https://preview.webflow.com/preview/kwik-project-landing-page?utm_medium=preview_link&utm_source=designer&utm_content=kwik-project-landing-page&preview=94cb72d3927cbeb3d85962d1e5621ef4&workflow=preview