Modernize frontend and centralize branding

public/assets/README.md

@@ -6,10 +6,10 @@ Recovered from https://www.anchorhost.eu/ on 2026-06-09.
 |------|------|--------|
 | `transparent_anchorhost.png` | 82 KB | `/assets/transparent_anchorhost.png` |
 | `hero-bg.jpg` | 41 KB | `/assets/hero-bg.jpg` |
-| `pricing-bg.jpg` | 129 KB | `/assets/pricing-bg.jpg` |
+| `pricing-bg.jpg` | Hero gallery: [Ethernet cables connected to a network device](https://unsplash.com/photos/ethernet-cables-connected-to-the-back-of-a-network-device-y4GHs9GEFdM) by Manuel Luikenga (Unsplash License) |
 | `code.jpg` | 6.6 MB | `/assets/code.jpg` |
 | `dark-bg.png` | 1.8 MB | `/assets/dark-bg.png` |
-| `server-2.jpg` | 6.6 MB | `/assets/server-2.jpg` |
+| `server-2.jpg` | Hero gallery: [Two server racks filled with electronic components and wires](https://unsplash.com/photos/two-server-racks-filled-with-electronic-components-and-wires-k27hkqXuveo) by Eric Stoynov (Unsplash License) |
 
 Root-level icons (in `public/`):