Hey Dram,
The Top parallax actually works well, and the 2 parallax are different interactions, maybe it gets over written?
If you want to have a look at it, open link, click on «Découvrir L’univers» under the first logo animation,
you will redirected to the page with the parallax issue. The top part with the big color fields is working well, but the drawn figures are stuck (the 4 guys) somewhere at 30% of the page height, if they are on an uneven line this is their parallax position, but not their default state.
https://preview.webflow.com/preview/201732monsite?preview=f248601a9178a335fd7dce28d943f3db
Thanks.