handoff review fixes: deploy log removed from the repo (internal infra notes do not belong in the handover), diagrams moved to the content repo, pages glob non-recursive, dead badge/pill css and stale design-system pointers removed, node engines declared, README states access and node prerequisites, demo-only dev server settings dropped, audit clean

DESIGN.md

@@ -8,9 +8,14 @@ presentation. Pages are `.astro` templates (plain HTML).
 ## Brand (official: CTAO Brand Guidelines, April 2024 — PDF in the project docs)
 
 - Colors: Galaxy Blue `#00004A`, Cherenkov Blue `#00E4D8`, Moon Gray
-  `#F5F5F5`, Cosmic Azure `#007AFF` (links/focus), Interstellar Indigo
-  `#00009C`. Cherenkov is an ACCENT (brand book rations it — currently:
-  primary CTA, hero subtitle, logo flash); it fails AA as text on white.
+  `#F5F5F5`, Cosmic Azure `#007AFF` (focus rings only; links use the
+  darkened `--link` so they pass AA on white), Interstellar Indigo `#00009C`.
+  Cherenkov is an ACCENT (brand book rations it — currently: primary CTA,
+  hero subtitle, logo flash); it fails AA as text on white.
+- Comments in the code cite `SPEC §…`, `BRAND D.x` and `REQUIREMENTS`: those
+  are the CTAO specification, the brand guidelines PDF and the team's
+  consolidated requirements, kept in the project's document folder at
+  Cyfronet, not in this repo.
 - Type: **Inter** for everything, **Space Grotesk** (weight 500) only for
   communicative headlines (h1/h2). Sizes come from the `--fs-*` scale.
 - Logo files in `public/brand/`; always "CTAO", min 100px wide, no effects.