Semantic foundation
Tokens and contracts describe purpose before appearance.
Shared vocabularyFeature 92 · Product value
Definition Evidence Ledger Feature
Four ledger rows connect each capability to a plain-language definition and the evidence that demonstrates its value.
Define the capability and show how the team knows it works
The ledger keeps abstract system language tied to practical, observable results.
Responsive composition
Layout primitives maintain hierarchy through viewport changes.
No horizontal overflowAccessible interaction
Native controls and visible focus support multiple input modes.
WCAG 2.1 AAMeasured delivery
Tests and package budgets protect the complete release surface.
Reproducible pack