Dark-first
#08090a marketing black → #191a1b elevated surface. Luminance stepping, not color: each level increases white opacity by 0.02.
Reference fixture · linear
Linear streamlines software projects, sprints, tasks, and bug tracking. Precision engineered — from the 510 between-weight to the semi-transparent white borders. Every value from tokens.css.
What this fixture exercises
#08090a marketing black → #191a1b elevated surface. Luminance stepping, not color: each level increases white opacity by 0.02.
Inter Variable's between-weight. Not 500, not 600 — precisely 510. cv01+ss03 on all text transforms generic Inter into Linear's face.
#5e6ad2 for CTA backgrounds; #7170ff for interactive; #828fff on hover. The only chromatic color in an otherwise achromatic system.
Form components
rgba(255,255,255,0.02) background, border: 1px solid rgba(255,255,255,0.08). Focus shifts border to --accent; no halo, no blue ring.