Complexe animation

Hello everyone and thank you in advance!
I try to make a rather complex animation.
The idea is to have a paralaxial effect between two divs and that at their intersection a 3 em color that I can possibly choose appear. This is part of my client’s visual identity, the ideal will be to do this only with divs. But if it is necessary to import images etc, I would. I know about webflow and code so the complexity of the explanations is not a problem for me.

To better understand the idea I invite you to look at the links of my project on which I have already changed the shape of my div (Whith skew) and create the paralax. remains more than the crossover div

Here is my public share link: LINK