Typography Accessibility Guidelines

Create typography accessibility guidelines for this brand:

**Current Typography:**
- Font Families: ${{FONT_FAMILIES}}
- Size Range: ${{SIZE_RANGE}}
- Primary Use Cases: ${{USE_CASES}}

**Accessibility Requirements:**
- WCAG Level Target: ${{WCAG_LEVEL}}
- Key Audiences: ${{KEY_AUDIENCES}}
- Specific Needs: ${{SPECIFIC_NEEDS}}

Please develop:

1. **Minimum Size Standards**
   - Body text minimum (16px baseline)
   - Small text minimum
   - Mobile size requirements
   - Print size minimums
   - Environmental/signage minimums

2. **Line Length Guidelines**
   - Optimal characters per line (45-75)
   - Maximum line length
   - Minimum line length
   - Responsive adjustments

3. **Line Height Requirements**
   - Body text line height (1.5 minimum)
   - Heading line heights
   - Small text line heights
   - Paragraph spacing

4. **Letter Spacing Standards**
   - Body text tracking
   - All-caps letter spacing
   - Small text adjustments
   - Heading tracking

5. **Font Weight Accessibility**
   - Minimum readable weights
   - Contrast considerations
   - Screen rendering factors
   - Print weight requirements

6. **Color Contrast for Text**
   - Normal text ratio (4.5:1 AA)
   - Large text ratio (3:1 AA)
   - Enhanced ratios (AAA)
   - Placeholder text contrast
   - Disabled text visibility

7. **Reading Disorder Considerations**
   - Dyslexia-friendly guidelines
   - Font choice impacts
   - Spacing recommendations
   - Layout considerations

8. **Low Vision Accommodations**
   - Text resizing support
   - Zoom compatibility
   - High contrast mode
   - Screen reader optimization

9. **Cognitive Accessibility**
   - Clear hierarchy
   - Consistent patterns
   - Reduced cognitive load
   - Plain language support

10. **Implementation Checklist**
    - Pre-launch audit items
    - Testing procedures
    - User testing recommendations
    - Ongoing monitoring
    - Remediation process

Provide specific values and testing procedures for accessibility compliance.