Scroll Magic in Webflow

How to have an effect like this website (link beflow)? The section takes full screen 100vh on scroll and remains fixed until lottie completes. I found about scroll magic and a javascript code but couldn’t figure out.

Inspiration: http://buntspenden.bleech.de/
Resource found: https://scrollmagic.io/

Preview Link: https://preview.webflow.com/preview/roderic?utm_medium=preview_link&utm_source=designer&utm_content=roderic&preview=53e64e10519f3dacb0734b77d8c68cad&mode=preview