Design champions please help!: A video that scales on scroll

Hey webflow champions!

I’m trying to recreate the hero section at the top of the page shown here: https://rejouice.com/

It should be relatively simple however I seem to have gotten myself into a massive tizz and cant for the life of get figure it out. Any help in un-tizzing me would be massively appreciated!!!

read-only link below!


Here is my site Read-Only: LINK