Mix-blend-mode not working in Ipad


I have a problem with some texts that I added a blending mode “difference”. They are not working on ipad (9th gen - IOS 16.3). The page loads as if it were working but as soon as I scroll, it disables.

This is an screen capture of the desktop working fine:

but in Ipad, it looks like disable de blending mode when scroll because let the font with the original color.

This is how it looks:

In other divises is working perfectly (Iphone, Android cellphones and tables).

Here is my site Read-Only: LINK
(how to share your site Read-Only link)