Grid
Fixed grids for known counts, auto grids for card decks, rail grids for content + sidebar.
1
2
3
.grid-2 / -3 / -4 / -6 / -12 — fixed columns, collapse on small screens
auto
auto
auto
auto
.grid-auto (-sm / -lg) — as many columns as fit the min width
main
rail
.grid-rail / .grid-rail-left — the content + sticky sidebar shape
text measure
.grid-editorial — prose · wide · full-bleed tracks for article layouts