Hello I read your previous reply to this issue but I have experienced the same issue with the theme adding a 1200 additional margin to the footer. I found the issue to be with the application of the javascript to the bottom of the theme. I will attach a loom video so you can see the issue.
-https://www.loom.com/share/79f21c3d44144ac58fd91497c61bc313
Description shows with and without javascript code at bottom of the theme and how it affects footer
