Reply To: Issues with related products on single product site and other issues

Hello,

After I looked into the situation, I found that you have rewritten the Advanced typography via Theme Settings -> Settings Presets -> search for the only_categories preset and edit its theme settings.

https://monosnap.com/file/7fzoPgEGYBFUaPp2cpvee5ITiQ571L

Then navigate to Typography -> Advanced and you will see this rule that affects header menu: https://monosnap.com/file/RJsDoLVDGGWmhmINI7Sq5p81JaOxl6

Kind Regards