- Remove separate mobile image (was causing file bloat and complexity)
- Use desktop.webp (716 KB) for all screen sizes via media query
- Browser's background-size: cover handles responsive display
- Simplify preload-images.html to single image preload
- Cleaner CSS without unnecessary file duplication
- Add desktop.webp (2732x1535) for desktop devices and mobile.webp (556x1535) for mobile
- Create adaptive-background.css with media queries (max-width: 736px for mobile)
- Update config.toml to use desktop.webp as default background
- Modify htmlhead.html to include adaptive-background.css
- Update preload-images.html for responsive image preloading
- Optimize background loading based on device screen width
Both images include overlay.png and gradient overlay for consistent design.
Mobile version (124 KB) is 5.8x lighter than desktop version (716 KB).