Features:
- Created expandable StandardsLegend component explaining Wren's 4 layers of climate impact
- Added detailed descriptions for Certified Offsets, In-Progress Offsets, Additional Contributions, and Investments
- Updated CertificationStatus type to include 'standard 2025'
- Enhanced CertificationBadge with Standard 2025+ support
- Updated wrenClient to map API's 'standard 2023' to 'standard 2025'
- Integrated legend into checkout success page below portfolio chart
Content based on Wren's official 2025+ standard documentation explaining their hybrid approach to maximizing climate impact.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
