- Created `src/styles/tokens.css` establishing the canonical 10-color palette, 5 designated breakpoints, and the 6-step typography scale.
- Created `src/styles/base.css` to import the root variables for Astro components.
- Wrote down decisions regarding the `--blue` palette canonicalization and the font stack simplification in the task brief.
- These tokens will power the Astro component refactors in parallel tasks.
Marcos Paulo