you got enough grids and text scaling setup, along with this some stack setups was not setup well:
as for the text you need to use text scaling here:
https://support.wix.com/en/article/editor-x-adding-and-customizing-text
also I was using overflow content hide to the page, to remove the scroll bar:
https://support.wix.com/en/article/editor-x-working-with-overflow-content