#1. I fixed this issue.
#2. Your menu is getting too long so it will overflow 2 lines down. Treatment:
1. Edit menu item text to be more compact: https://prnt.sc/19mguf7
2. Only show important categories, other categories will be grouped into the submenu
#3. I setup Loco translate plugin for you, please go to Translate text on theme, search your text and add translate