Foundation
- Add 7 token CSS files in src/tokens/ — semantic colors, 4-pt spacing,
Apple-HIG type ramp, radius/elevation/motion/z-index scales.
- Refactor src/index.css to import tokens and remap legacy aliases
(--accent, --bg, etc.) onto the new --color-* semantics so existing
components keep rendering during migration.
- Drop the duplicate font-family from src/App.css; body inherits from :root.
- Global *:focus-visible ring backed by --color-focus-ring (WCAG 2.4.7).
Webfonts (self-hosted)
- Add Inter.var.woff2 (variable, OFL) and JetBrainsMono.var.woff2 to
public/fonts/. Preloaded in index.html with crossorigin.
- Old stack -apple-system kept as fallback so Mac users still get SF Pro.
- Fixes cross-OS rendering inconsistency (Win/Linux/Android were falling
back to Segoe UI / Roboto, breaking the type grid).
Component primitives
- New src/components/ui/{Button,Card,Input}.tsx + .css. Built on the
semantic tokens, ready for incremental migration of .ap-* CSS classes.
Lucide icons
- Replace 6 inline SVG icon components in LandingPage (IcoChip / IcoCpu /
IcoCode / IcoZap / IcoLayers / IcoMonitor) with lucide-react imports.
Aliased so call sites are unchanged. ~80 lines of inline SVG removed.
- IcoGitHub kept bespoke (filled glyph, brand-correct).
Marketing assets
- Convert top 8 boards to transparent PNG + WebP at 1x / 2x:
Arduino Uno, Nano, Mega 2560, Pi Pico, Pi Pico W, ESP32-C3,
ESP32-DevKit-V1, XIAO ESP32-S3.
- Migrate matching cards in LandingPage and Velxio2Page to <picture>
with WebP > PNG > SVG fallback. Other 8 boards keep <img src=*.svg>
for now (Raspberry Pi 3B, ESP32-CAM, etc.).
- Refresh og-image.png — same canonical URL, new content (4 hero boards
+ branding instead of generic logo card).
- Fix latent bug in LandingPage: ESP32 DevKit V1 card was loading
esp32-devkit-c-v4.svg; now uses esp32-devkit-v1.{webp,png,svg}.
Build verified: npm run build:docker succeeds, 246 SEO pages prerender.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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