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draft · theme-family-matrix-demonstration
Theme Family Matrix Demonstration
Prove that one unchanged semantic marketing page and one unchanged Customer Brand System can produce three meaningfully different, responsive art-direction outcomes by changing only the declared Theme Family.
- Evidence
- demonstration
- Release binding
- unbound
- Core source
dde7da9a7964
Full-size artifacts
Rendered evidence
9 declared viewports. Select an image to inspect it at source resolution.

/structured/fixtures/compatibility/theme-family-matrix-proof/evidence/structured-desktop.webp
/structured/fixtures/compatibility/theme-family-matrix-proof/evidence/structured-mobile.webp
/editorial/fixtures/compatibility/theme-family-matrix-proof/evidence/editorial-desktop.webp
/editorial/fixtures/compatibility/theme-family-matrix-proof/evidence/editorial-mobile.webp
/immersive/fixtures/compatibility/theme-family-matrix-proof/evidence/immersive-desktop.webp
/immersive/fixtures/compatibility/theme-family-matrix-proof/evidence/immersive-mobile.webp
/structured/fixtures/compatibility/theme-family-matrix-proof/evidence/structured-tablet.webp
/structured/fixtures/compatibility/theme-family-matrix-proof/evidence/structured-short-landscape.webp
/structured/fixtures/compatibility/theme-family-matrix-proof/evidence/structured-reflow-320.webpIntent
Exact declaration
Subjects
Best fit
- comparing Foundry art-direction choices
- choosing a Theme Family before customer styling
- verifying source-preserving responsive flexibility
Avoid when
- a single screenshot is being treated as release proof
- customer identity or content is still being invented inside the theme layer
Readiness
Checks and limitations
- accessibility
- invalid
- artifact freshness
- pass
- desktop responsive
- pass
- keyboard
- invalid
- mobile responsive
- pass
- no essential javascript
- pass
- performance
- invalid
- reduced motion
- pass
- rendered route
- pass
- source portability
- pass
- visual acceptance
- pass
Limitations
- The captures are source-linked demonstration evidence, not an exact Distribution release binding.
- Chrome keyboard, axe-core accessibility, reduced-motion, responsive, media, console, performance budgets, and generated Pagefind 1.5.2 deferral and query checks pass in the development audit; Safari and independent owner review remain external promotion gates.
Invalidated by
- shared Saved Section source change
- Theme Family or Brand System contract change
- Core or Distribution release change
- evidence artifact change
Portable source
Routes and source ownership
Paths resolve inside exact Core commit dde7da9a7964f8011ecac5cb311f6d5ae2872b46. Private repository links stay private; the mapping remains explicit.
Rendered routes
| Route | Role | Source |
|---|---|---|
/structured/ | structured comparison | fixtures/compatibility/theme-family-matrix-proof/content/structured/index.md |
/editorial/ | editorial comparison | fixtures/compatibility/theme-family-matrix-proof/content/editorial/index.md |
/immersive/ | immersive comparison | fixtures/compatibility/theme-family-matrix-proof/content/immersive/index.md |
Source mapping
| Role | Path | Use |
|---|---|---|
| structured route source | fixtures/compatibility/theme-family-matrix-proof/content/structured/index.md | Copyable source |
| editorial route source | fixtures/compatibility/theme-family-matrix-proof/content/editorial/index.md | Copyable source |
| immersive route source | fixtures/compatibility/theme-family-matrix-proof/content/immersive/index.md | Copyable source |
| shared semantic Hero source | fixtures/compatibility/theme-family-matrix-proof/content/_foundry/saved-sections/northstar-hero/index.md | Copyable source |
| shared semantic Features source | fixtures/compatibility/theme-family-matrix-proof/content/_foundry/saved-sections/northstar-features/index.md | Copyable source |
| shared semantic Statistics source | fixtures/compatibility/theme-family-matrix-proof/content/_foundry/saved-sections/northstar-stats/index.md | Copyable source |
| shared semantic Quote source | fixtures/compatibility/theme-family-matrix-proof/content/_foundry/saved-sections/northstar-quote/index.md | Copyable source |
| shared semantic CTA source | fixtures/compatibility/theme-family-matrix-proof/content/_foundry/saved-sections/northstar-cta/index.md | Copyable source |
| Core Theme Family art direction | assets/css/foundry-theme-families.css | Framework or evidence source |
| reference Customer Brand System values | fixtures/compatibility/theme-family-matrix-proof/assets/css/foundry-reference-proof.css | Copyable source |
| portable no-utility-framework layout floor | assets/css/foundry-base.css | Framework or evidence source |
| browser and render assertions | fixtures/compatibility/theme-family-matrix-proof/fixture.config.json | Framework or evidence source |