Mobile Nav Menu Drop Down Being hidden behind first container

When I view this website on Mobile or tablet view and try to open the hamburger menu, you can see it opening but it gets hidden behind the first container or gets cut off by the nav container.

Tried adjusting the Z-index and adjusting overflow on the nav container but have run out of ideas. What have I missed?


https://anatomy-d3db55.webflow.io/

https://preview.webflow.com/preview/anatomy-d3db55?utm_medium=preview_link&utm_source=designer&utm_content=anatomy-d3db55&preview=5a64783c5f2fd44915a1601f7768bc6e&mode=preview

overflow problem.