This is onboarding flow for Welltory App. It’s an animated funnel spanning 28 screens. I can even share about the metrics a bit: the drop-off rate on the screens with animations is absolutely minimal!
Brand guidelines fail when someone tries to use them. The PDF is complete. But when a developer needs something the system didn't anticipate, there's no logic to extend from. A style guide documents what exists. A system tells you what to do next.