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Scrolling Animation website

Hello, I am make new website by using webflow.
I am looking for make like as https://plasticbcn.com/
I am making home page now.
This is my current page.
https://nizek-bc459f.webflow.io/
Now you could see different point on scrolling animation.
How to solve this problem?
Please let me know.
Thank you for your kind.