I keep breaking the Navbar

Design help Layout & Design
1

I’m completely stopped at this point as I can’t understand why the Navbar button shows up but doesn’t work after the break point.

I’m really stuck here.

https://preview.webflow.com/preview/practic-4?utm_medium=preview_link&utm_source=designer&utm_content=practic-4&preview=af068989a513a8b82bf7f99adba0b35e&workflow=preview

Help!

Here is my site Read-Only: LINK
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