Steel design system

Steel looks like a well-made instrument: a near-white page and pure black ink, type set light, and flat colour that arrives in whole bands, never as gradients or textures. Generous space separates groups; tight space holds a group together. Edges are 0.5px hairlines and 4px corners. Shadows are barely there. Motion is quick and exact. Every rule below comes from the three products that define the brand (the website, the app and the launch videos), so following them makes new work sit next to those products without looking borrowed.

The rules that make it Steel

These are fixed. If a user asks for something that breaks one, say which rule it breaks and why it exists, offer the on-brand alternative, and follow their decision. Don't quietly drift.