No lines between things: space and tone separate them. Page gutter --space-gutter (16–64px), section gap --space-section (56–112px), content max 1240px.
--space-1 4px
--space-2 8px
--space-3 12px
--space-4 16px
--space-5 24px
--space-6 32px
--space-7 40px
--space-8 56px
--space-9 72px
--radius-xs 6--radius-sm 10--radius-md 12--radius-card 14--radius-lg 16 · capture, row--radius-xl 20--radius-2xl 22--radius-cap 14/14/14/4--radius-pill--radius-tag .5em (9 at 18px)