One line-height for everything
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Rule · bucket: judgment · severity: note · detector: none · since: v0.1.0
Section: Things to avoid
Group: Typography

Forbidden:
  One line-height value applied to both a 48px heading and 16px body

Instead:
  `--leading-body` for UI text, `--leading-prose` for sustained reading, and `--leading-h3` / `--leading-h2` / `--leading-h1` as the heading tier rises. Line height decreases as size increases, and the heading values are per-mode — see the table in `02-tokens.md`.