Duotone Identity Design System Anthropic-inspired duotone design language for Identity Platform. Strict cream/charcoal palette with intentional typography and animated SVG illustrations. Quick Reference | Element | Value | |---------|-------| | Primary Light | (cream) | | Primary Dark | (charcoal) | | Display Font | Instrument Serif | | Body Font | Inter | | SVG viewBox | | | Chapter Number | italic | --- Color Palette Core Duotone Colors Usage Pattern | Section | Background | Text | |---------|------------|------| | Light (Hero, Ch1, Ch3) | | | | Dark (Ch2, Ch4, Finale) | | | Rule: Never use…