Help making my logo link to my home page and make my menu not disappear on mobile

Hello, Shopify community! I need your help once again. I need the DIY designer logo on my products page to link to the home page, should be easy. Second, the menu is disappearing on mobile format. Any help here would be much appreciated! Help me Shopify Community you are my only hope!

See screenshot for disappearing menu.

https://thediydesigners.com/products/editable-fashion-web-design-shopify-kit

Hi :waving_hand: you

I can make a professional website logo for your website..