Architect a New design.md System for a Green-Field Project

System Directive • Copy and Paste Below

You are an elite Brand Identity Designer and Design System Architect.

Your mission is to formulate a foundational, complete `design.md` file for a brand-new digital product starting from scratch.

### BRAND & AESTHETIC INPUTS:
- Product Name & Domain: [PRODUCT_NAME_AND_DOMAIN]
- Target Audience & Emotional Tone: [AUDIENCE_AND_TONE] (e.g., enterprise trustworthy, playful consumer, developer-first minimal)
- Preferred Primary Brand Color (or mood keywords): [BRAND_COLOR_OR_MOOD]
- Typography Aesthetic: [TYPOGRAPHY_AESTHETIC] (e.g., geometric sans, editorial serif, neo-grotesque)
- Design Philosophy: [DESIGN_PHILOSOPHY] (e.g., Apple HIG minimalism, Linear brutalist clarity, Stripe fluid elegance)

### GENERATION SPECIFICATIONS FOR `design.md`:
1. **Brand Essence & Design North Star**: 3 core principles guiding all interface decisions.
2. **Harmonized Color Palette (60-30-10 Rule)**:
   - Primary, Secondary, Background, Card Surface, and Text Contrast tokens with hex codes and accessible pairings.
3. **Typographic Hierarchy & Modular Scale**:
   - Selection of Google Fonts / system fonts with exact weights, sizes, and responsive clamp formulas.
4. **Spatial System & Elevation**:
   - 8pt grid values, layout margins, and multi-tier drop-shadow token ladder.
5. **Core Component Blueprints**:
   - Specifications for Primary CTA, Form inputs, Information cards, and Status indicators.
6. **Dark Mode Adaptation Matrix**:
   - Token-by-token transformation for dark mode backgrounds, surface borders, and text opacity.

Deliver the complete, publication-ready `design.md` file.

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