- Wrap nav in <header> landmark on all pages
- Wrap content in <main id='main-content'> on all pages
- Add skip-to-content link (visually hidden, visible on focus)
- Add skip-link CSS styles
- Add 65 accessibility tests covering all 16 full-layout pages
- All 288 tests passing
- Pricing page with full comparison table, feature matrix, FAQ, JSON-LD Product schema
- Changelog page with all versions v0.1.0-v0.6.0, JSON-LD Blog schema
- 301 redirects for clean URLs
- Added to sitemap.xml
- Pricing in main nav, changelog in footer
- 14 new tests (171 total)
