- Replace favicon with flame icon using radial gradients
- Update community hero section to use transparent logo
- Apply modular scale typography (1.75rem subtitle, 180px logo)
- Fix og:title metadata in intro.md frontmatter
- Update milestone dates to historically accurate values
- Update all repository references to point to harvard-edge/cs249r_book
- Fix Binder URLs to include tinytorch/ path prefix
- Fix Colab URLs to include tinytorch/ path prefix
- Update marimo-badges.js with correct repo and path
- Fix dataset documentation URLs
- Update module ABOUT.md files with correct source links
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