feat(story): celular CC0 com site vivo na tela, ReelDirector scrub em todas as seções e filmstrip pinado de prints reais

CREDITS.md

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+# Credits / Third-party assets
+
+## 3D model — “Phone”
+- Author: **Quaternius** (https://quaternius.com)
+- Source: https://poly.pizza/m/k2kgBepoMU
+- License: **CC0 1.0 Universal (Public Domain)**
+- Used in: `app/components/story/StoryStage3D.tsx` (hero scrollytelling reel),
+  file at `public/models/phone-quaternius.glb`.
+- Modifications: material overrides (body/frame metallic dark; the model's
+  `Black` surface renders a live CanvasTexture of the portfolio site). CC0 does
+  not require attribution; credit given anyway.
+
+## Project screenshots
+- `public/assets/prints/*.png` are captures taken with headless Chrome from
+  production deployments owned by the site author (evandro.dev.br), used as
+  on-screen content inside the 3D phone and section animations.