feat: add Remotion video generation

[zenabot27]

Summary

• Add videos/ directory as an independent Remotion project for generating promo videos
• CadenceIntro composition: 5-scene, ~15s intro video (1920x1080, 30fps)
  • Scene 1: 3D GLB logo rendered as ASCII art (matching homepage aesthetic)
  • Scene 2: "Smart Contracts Built for the AI Era" hero title with 3D depth
  • Scene 3: Terminal commands showcase (skills, mcp, llms.txt)
  • Scene 4: AI Chat demo with Cadence syntax-highlighted code streaming
  • Scene 5: Outro with Cadence logo and tagline
• Custom Cadence syntax highlighter with dark/light theme support
• 3D camera movements with perspective, parallax, and spring animations
• Geist / Geist Mono fonts loaded from local woff2 files

Usage

cd videos
bun install
bun run dev        # Open Remotion Studio
bun run render     # Render to videos/out/cadence-intro.mp4

Test plan

• cd videos && bun install succeeds
• bun run dev opens Remotion Studio with CadenceIntro composition
• All 5 scenes render correctly in preview
• bun run render produces a valid mp4

🤖 Generated with Claude Code

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Project	Deployment	Actions	Updated (UTC)
cadence-lang-org	Ready	Preview, Comment	Feb 24, 2026 4:49am