Can't get a drop down for only mobile view

I’m driving myself crazy.

I can’t get a mobile version where there’s a hamburger button and my nav links from my desktop view to work. Any suggestions? I’m about to give up on web flow.

https://preview.webflow.com/preview/out-bnd-fulfillment?utm_medium=preview_link&utm_source=designer&utm_content=out-bnd-fulfillment&preview=6fbfc176b3fa3c8fa21de16a1d4e2adc&pageId=63efb86dca15732f8df78baf&workflow=preview