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Lesson 5: Coordinated Motion with updateTransition

So far, we’ve animated single properties (scale, color, position, springs).
But real components rarely change just one thing.
They often change several properties at the same time.

Think about a Primary Action Button:

  • In Idle → it’s wide, rounded, blue, and shows text.
  • In Loading → it shrinks into a pill, turns neutral, and shows a spinner.