Max/docs theme rework (#6593)
* Rawer landing page
- Angular, clean docs styling inspired by Oxide
- zero all border-radius globally (kill rounded corners)
- sharp code blocks with subtle border
- callouts: left-border accent instead of rounded pill
- clean table grid lines, sharp search box and MUI buttons
- tighter heading letter-spacing (-0.02em)
- flat left-border sidebar active item instead of background blob
* Add JetBrains Mono for headings/sidebar, push Oxide styling further
- import JetBrains Mono via Google Fonts
- apply mono font to headings, sidebar, nav bar, search, table headers
- darken background (#181C1E), muted body text, h2 bottom border
- subtle background tint on active sidebar item
- inline code: background-only (no border), monospace table headers
- fix active sidebar item font size (scope separator label rule)
* Rework docs landing page: hero, ASCII cards, SDKs, get started
- add hero section with subtitle covering all doc areas
- replace PNG vector illustrations with ASCII art in primary green
- add SDKs section with Rust and TypeScript links
- add get started section: What is the Mixnet, Send a message, Run a node
- add footer links to GitHub and Matrix
- fix nav dropdown font (button + ul selectors)
- add landing card hover style
* Self-host JetBrains Mono, refine landing page
- replace Google Fonts import with local @font-face (woff2)
- add font files + OFL license to public/fonts/
- remove redundant "Nym Docs" hero heading (already in nav)
- drop quick-links pills section
- fix SDK box borders (negative margin collapse)
- rewrite footer as simple link row (GitHub, Matrix, nym.com)
* Light mode styling, dark-mode diagram invert, click-to-expand images
- add full light mode CSS: pale grey bg, darker green links, mono fonts
- invert diagram images in dark mode with mix-blend-mode: lighten
- add click-to-expand overlay for content images
- revert mermaid diagrams back to original PNGs
* Fix Lychee config for fonts
* Make light mode green darker
* Animate landing page ASCII art, remove architecture diagram
- Network: animated packet traversal through gw_e → M1/M2/M3 → gw_ex
with diagonal cross-connections showing mixing paths
- Developers: typewriter effect with blinking cursor
- Operators: looping progress bar with continuously incrementing packet count
- APIs: staged line-by-line response reveal
- Remove architecture overview PNG from network/architecture.mdx
* Small copy change to SDK headers
* Fix links
mfahampshire
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