Can't find nav links when opening hamburger menu

I’m working on this personal site for a client and the biggest hurdle is making sure the mobile nav menu actually works. Since I bought this site as a Webflow template, I’m having to deal with preexisting code that conflicts with my desired outcome. What I noticed at a certain point, was that the hamburger menu’s animation works when clicked but doesn’t open the navigation. Looking in the Navigator menu, it looks like the “Menu Button” not even connected to the navigation (which is visible on desktop+ view). I finally found a way to “Add link” under the Settings menu when the class “Menu Button” is selected, but the button is disabled and doesn’t let me add links. Does anyone know how to help me troubleshoot this?

Here is my site Read-Only: (Webflow - Your ADHD Fairy Godmentor)