Markero YouTube channel banners
================================

Full upload files: 2560x1440 PNG
- markero-youtube-banner-light-2560x1440.png
- markero-youtube-banner-dark-2560x1440.png

YouTube crops channel art to a wide strip. The central 1546x423 area is the
safe area for text and the product preview.
- markero-youtube-banner-light-safe-1546x423.png
- markero-youtube-banner-dark-safe-1546x423.png

Desktop-wide preview at 2560x423:
- markero-youtube-banner-light-wide-2560x423.png
- markero-youtube-banner-dark-wide-2560x423.png

The light version matches the public site: cream ground, black wordmark, dark
app window. The dark version inverts the surrounding canvas and uses the light
app window. Names and messages in the chat preview are fictional.
