Tokens
The custom-property seam — the interference ramp, the two grounds, Aurora & Feather values.
structural color
Every shimmer is structure interfering with light.
A raven’s feather holds no pigment. The color is in how the thing is made — light interfering at structure, not sliding along a line. This is the reference for that system.
built 2026 · html + css · no framework
the system
Primitives
The catalog — contract, when-to-use, and a live specimen for every class in brand.css.
Principles
The usage rules — what the system chooses, and why the ramp stays rationed.
Mark
The aperture-eye glyph and the Corvus lockup — the identity primitive.
Bind
How a surface vendors the tokens and stays in sync with brand.css.
↝ Specimen
The atmospheric brand surface — the raven, the flight paths, the ramp let loose. One click away.
the rules
the values
the rules
One ramp, two co-equal themes, a structure that never floats.
Nothing floats · nothing glows · the light theme is co-equal · the ramp is rationed. Four guardrails hold the whole system; the full nine live on Principles.