Remotion Custom Transitions This skill teaches you how to build production-grade, high-energy custom transitions in Remotion using the API — the same pattern used in Fyltr's Instagram Reel campaign. Quick Reference - Custom Transition Pattern — The API, the exact component shape, and how timing works - Transition Catalog — 6 battle-tested transitions with full source: Striped Slam, Zoom Punch, Diagonal Reveal, Emerald Burst, Vertical Shutter, Glitch Slam - Animation Math — Easing functions, stagger formulas, spring configs, and the extrapolation pattern used throughout Core Concept Remotion's…