- isUpcoming() now checks startTime, not just date — past events hide after they start
- Cards without images get a gradient placeholder instead of collapsing to 0 height
- Merge two Reveal wrappers into one to prevent empty Reveal stuck at opacity 0
- Use flex layout with justify-center so single cards are centered
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
