Animation Systems (Stripe × Linear × Apple × Vercel)

This skill helps you ship tasteful, product-grade motion. Not “more animation.” Better animation: clarity, hierarchy, feedback, and delight—without jank.

The goals (why motion exists)

Use animation to:

1. Explain hierarchy (what matters)
2. Confirm action (feedback)
3. Guide attention (where to look next)
4. Maintain continuity (spatial relationships)
5. Add polish (craft signals)

If an animation doesn’t serve one of these, delete it.