Have you tried opening this website on your own phones? There is so much bloat on it and visual bugs, that all of it is immediately noticeable. It indeed has a fancy design, but man it’s hard to use… I immediately wanted to close it and never return.
It doesn’t get much better on a desktop.
Check out your PageSpeed scores.
https://pagespeed.web.dev/analysis/https-nothing-tech/ro2v8wmq3c?form_factor=mobile
I would expect more from a company that stresses out the details.