Corners do more brand work here than the violet does. A 24px card is the default, not a soft option; section panels reach 120px. Nothing in this system has a small corner, and that single constraint is the fastest way to tell an on-brand surface from a generic one.
Counted on the rendered production homepage. 24px dominates by a wide margin; that is what makes it the default rather than one option among several.
24px12px44px8px120px2–4pxdoes not occurSame fill, same border, same padding. Only the corner changed. This is how much of the brand lives in the radius alone.
64px below 768px, 120px at and above it. Resize this window across the
breakpoint and watch the corner change — the panel below is the real
.section-container class, glow included.