Page scroll effect - plug in help


I’m trying to implement a plug-in (if it is even required?) to create a full page scroll transition. some examples of what I want to achieve:

1 (preferred):

2: or

Here’s my site in progress:

I’d love to know how to implement options 1 scroll effect so they overlap and fix to top for the 100vh pages


For #1, I have already posted a reply in your other thread here.

For #2, there is already a few tutorials on this forum like this and this, or you can search for the rest using the search function.