/type-audit — Typography Audit

Scan every typography-related CSS declaration and report:

1. Font families in use — list all, flag any on the banlist
2. Font sizes — list all unique sizes, check for mathematical ratio consistency
3. Font weights — verify 2-4 weights are used for hierarchy
4. Line heights — check against recommended ranges
5. Letter spacing — verify all-caps text has positive tracking
6. Hierarchy depth — count distinct heading levels in use

Present as a structured report with pass/fail per check.