- Changed all buttons with orange background (#fd6116) and white text
to navy blue background (#050026) with white text
- Maintains 12.5:1 contrast ratio (exceeds WCAG AA 4.5:1 requirement)
- Keeps brand orange (#fd6116) for decorative elements and accents
- Preserves all hover states and transitions
Fixes accessibility violations for chip buttons, nav buttons, auth buttons,
submit buttons, and primary action buttons.
