Stock footer experience: four bands at four different heights — a slim brand tagline strip, a social + app-download row, the tall link-column block, and a narrow legal line, each ruled off from the next. The reference composition for footer@1's Bands variant: each band is a section-wrapper setting its own PaddingY (sm/md/xl/sm), which is what Default and TwoTier cannot express since they wrap their region in one container and one fixed gap. Pick it over footer-link-columns when the footer needs more than two rhythms.

• src/components/registry/experiences/partial-designs/footer-bands/footer-bands.tsx→components/registry/experiences/partial-designs/footer-bands/footer-bands.tsx
• src/components/registry/experiences/partial-designs/footer-bands/footer-bands.recipe.ts→src/recipes/footer-bands.recipe.ts