- add missing cta_href to hero section and error page CTAs
- replace hardcoded footer shop links with real product categories
- restructure product cards with stretched-link pattern so category
badges link to their collection page
- unify social icons: footer and contact page share the same default
links from a single source in content.ex
- add search implementation plan (docs/plans/search.md, deferred)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>