CTAO Science Portal: static Astro site with git-based CMS (Sveltia + Gitea)

Portal code only; editorial content lives in the ctao/content repo on the demo machine's Gitea and is overlaid at build time (see README.md and deploy/README.md). Live demo: https://astro.isl-dev.grid.cyfronet.pl
2026-09-08 13:53:30 +02:00
parent 845c1ccf0d
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-# These are some examples of commonly ignored file patterns.
-# You should customize this list as applicable to your project.
-# Learn more about .gitignore:
-#     https://www.atlassian.com/git/tutorials/saving-changes/gitignore
-
-# Node artifact files
 node_modules/
 dist/
-
-# Compiled Java class files
-*.class
-
-# Compiled Python bytecode
-*.py[cod]
-
-# Log files
-*.log
-
-# Package files
-*.jar
-
-# Maven
-target/
-dist/
-
-# JetBrains IDE
-.idea/
-
-# Unit test reports
-TEST*.xml
-
-# Generated by MacOS
+.astro/
 .DS_Store

-# Generated by Windows
-Thumbs.db
+# Content lives in the ctao/content repo (build overlays it; scripts/link-content.sh locally)
+src/content/news/
+src/content/pages/
+public/uploads/

-# Applications
-*.app
-*.exe
-*.war
-
-# Large media files
-*.mp4
-*.tiff
-*.avi
-*.flv
-*.mov
-*.wmv
+# Session scratch
+.tmp/

+# Local secrets and editor state
+.env*
+.vscode/
+.idea/
@@ -0,0 +1,38 @@
+# Design handoff
+
+All styling lives in **`src/styles/global.css`**: design tokens in `:root`
+(colors, type scale, spacing, radius, shadows, `--header-h`) + plain-CSS
+components below them. No frameworks, no preprocessors, no runtime JS for
+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` (focus rings only; links use the
+  darkened `--link` so they pass AA on white), Interstellar Indigo `#00009C`.
+  Cherenkov is an ACCENT (the 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.
+
+## Practical notes (the non-obvious ones)
+
+- **`public/admin/preview.css` mirrors the `.prose` styles** so the CMS
+  editor preview matches articles 1:1. When you touch `.prose` or its
+  tokens, update the mirror (both files carry a KEEP IN SYNC comment).
+- Fonts ship **inlined as data: URIs** in global.css (no font requests, no
+  swap flash). The woff2 files in `public/fonts/` look unused but feed the
+  CMS preview, so keep them.
+- All `animation`/`transition` rules sit in the single
+  `prefers-reduced-motion: no-preference` block at the end of global.css.
+- Scroll-driven effects need `vite.build.cssMinify: 'esbuild'`
+  (astro.config.mjs): the default minifier breaks `animation-timeline`.
+- `--header-h` drives the sticky-header offsets (anchors, TOC rail, reading
+  progress); change the header height only through the token.
+- Deterministic gate before pushing: `npm run check` (types + build + link
+  check, a few seconds).
@@ -0,0 +1,100 @@
+# CTAO Science Portal: static site + git-based CMS
+
+Public portal for CTAO news, built as a fully static site. Editors get a
+browser WYSIWYG editor (Sveltia CMS) that commits Markdown to a Gitea repo;
+a build job turns commits into static HTML. No application or database runs
+on the public path.
+
+Live demo: <https://astro.isl-dev.grid.cyfronet.pl> ·
+Gitea on the demo machine: <https://astro-git.isl-dev.grid.cyfronet.pl>
+
+## Repository layout & deployment
+
+Code and content are SEPARATE repositories, so editorial commits never mix
+with development:
+
+| Repo | Holds | Source of truth | Who commits |
+|---|---|---|---|
+| `ctao-portal` (this one, Bitbucket) | Templates, CSS, deploy | development | the team |
+| `ctao/content` (Gitea on the demo machine) | `news/`, `pages/`, `uploads/` | editorial | Sveltia CMS / editors |
+
+The demo machine polls ITS Gitea (`ctao/portal` mirror + `ctao/content`) and
+republishes on a push to either, so a push to Bitbucket does NOT deploy;
+deploying code = pushing it to the machine's Gitea (a deliberate step). The
+build overlays content onto code (`deploy/build.sh`); the content paths are
+gitignored here.
+
+## Stack
+
+- **Astro** (static output). Pages are `.astro` templates (plain HTML with a
+  JS frontmatter block). No React/Vue/Svelte components, no client-side
+  framework.
+- **Plain CSS**: everything lives in `src/styles/global.css` as design
+  tokens (custom properties) + rules. No Tailwind, no preprocessor.
+  The design system (tokens, type scale, spacing, motion policy) is
+  documented in `DESIGN.md`. Read it before touching styles.
+- **Sveltia CMS**: a single prebuilt JS bundle, vendored in
+  `public/vendor/sveltia-cms.js` and loaded on `/admin/`
+  (`src/pages/admin/index.astro`), configured by `public/admin/config.yml`.
+  It runs entirely in the editor's browser and talks to the Gitea API
+  (OAuth PKCE). There is no CMS server. To update it:
+  `curl -sL https://unpkg.com/@sveltia/cms/dist/sveltia-cms.js -o public/vendor/sveltia-cms.js`
+- Runtime dependencies: none beyond Astro. This is deliberate; keep it
+  that way.
+
+## Develop
+
+Prerequisites: Node 22.19 or newer (the machine builds on Node 24), and
+network access to the demo machine's Gitea (Cyfronet network / VPN) for the
+content clone below. Without content the site still builds, but with no
+articles and `npm run check` reports the footer's page links as broken.
+
+```
+npm ci
+git clone https://astro-git.isl-dev.grid.cyfronet.pl/ctao/content.git ../ctao-content
+./scripts/link-content.sh   # copies news/pages/uploads into the dev tree
+npm run dev        # http://localhost:4321
+npm run build      # static output in dist/
+npm run check      # deterministic gate: astro check (types) + build + internal-link check
+```
+
+`tsconfig.json` excludes `public/` on purpose: the vendored CMS bundle there is
+2 MB of minified JS and would make `astro check` run out of memory.
+
+## Layout
+
+| Path | What |
+|---|---|
+| `src/pages/` | Routes (`.astro` templates), incl. `news/`, `search`, RSS/sitemap |
+| `src/layouts/Base.astro` | HTML shell: head, header/nav, footer |
+| `src/content/news/*.md` | Articles (from the content repo, gitignored here; schema in `src/content.config.ts`) |
+| `src/styles/global.css` | All CSS: tokens + components + prose |
+| `DESIGN.md` | Design handoff: where the tokens live, brand basics, practical notes |
+| `public/admin/` | CMS config (`config.yml`) + editor preview styles (`preview.css`) |
+| `public/uploads/` | Editor-uploaded media (from the content repo, gitignored here) |
+| `deploy/` | Runbook + container/systemd units for the demo machine, see `deploy/README.md` |
+
+## Editing content
+
+Editors use `/admin/` (link in the footer) and sign in with a Gitea account.
+Saving commits to `main`; the machine polls and republishes automatically
+(seconds). Full history/rollback = git history in Gitea. Articles with
+`draft: true` are excluded from the build.
+
+Note for styling work: `public/admin/preview.css` mirrors the `.prose` rules
+from `global.css` so the editor preview matches the site 1:1; keep them in
+sync (both files carry a KEEP IN SYNC comment).
+
+## Upgrading
+
+Versions are pinned exactly; an upgrade is a deliberate change, never a side
+effect of `npm install`. Astro ships security fixes only for the current and
+one previous major, so plan one upgrade per major rather than skipping several.
+
+```
+npx @astrojs/upgrade      # moves astro and official integrations together
+npm run check             # types + build + links must pass
+npm run preview           # verify the real dist/ output, not the dev server
+```
+
+No experimental flags in `astro.config.mjs`: they can change in minor releases.
@@ -0,0 +1,31 @@
+import { defineConfig } from 'astro/config';
+
+// Static output (zero runtime) — the whole point of the git-based approach.
+export default defineConfig({
+  output: 'static',
+  // Public origin — used to build absolute URLs (canonical, og:*, RSS,
+  // sitemap). Change when the portal moves to its production domain.
+  site: 'https://astro.isl-dev.grid.cyfronet.pl',
+  // URL contract, pinned explicitly (these are the defaults): changing either
+  // later rewrites every public URL. nginx serves /path/ via try_files $uri/.
+  trailingSlash: 'ignore',
+  build: { format: 'directory' },
+  // Lossless whitespace handling instead of the v7 default 'jsx', which drops
+  // line breaks around inline elements and silently glues words to links when
+  // a template line wraps before <a>. Templates render as written.
+  compressHTML: true,
+  // Built-in prefetch on every internal link (no per-link attributes needed).
+  // Default 'hover' strategy: near-instant navigation without the bandwidth
+  // cost of 'viewport' on a 24-card grid; auto-falls back to 'tap' on
+  // data-saver / slow connections (Astro handles that).
+  prefetch: { prefetchAll: true },
+  vite: {
+    build: {
+      // Lightning CSS (the default minifier) illegally folds animation-timeline
+      // INTO the `animation` shorthand (`animation: ... view()`), which browsers
+      // reject — silently killing every scroll-driven effect in production.
+      // esbuild minifies without property merging.
+      cssMinify: 'esbuild',
+    },
+  },
+});
@@ -0,0 +1,8 @@
+# Build image for the CTAO portal demo: pinned Node + git.
+# Why: the host has node 24 but NO git (and we have no sudo); a 2-line image
+# keeps node pinned and independent of host packages (git comes from the
+# alpine repo unpinned — alpine drops old package versions, pinning is moot).
+# Built ONCE at install, never pulled again at runtime:
+#   podman build -t localhost/ctao-portal-build:1 -f Containerfile.build .
+FROM docker.io/library/node:24-alpine@sha256:a0b9bf06e4e6193cf7a0f58816cc935ff8c2a908f81e6f1a95432d679c54fbfd
+RUN apk add --no-cache git
@@ -0,0 +1,127 @@
+# Deploy: CTAO portal demo on strapi-experimental.cyfronet
+
+Everything runs rootless as user `strapi`. Footprint on the machine:
+ONE directory (`~/ctao-portal-demo/`) + 4 unit files in `~/.config/`.
+Uninstall restores the machine exactly (see bottom). No secrets in any file.
+
+Two Gitea repos by design: `ctao/portal` (code, developed by the team) and
+`ctao/content` (Markdown + uploads, committed by the CMS). The build overlays
+content onto code; a push to EITHER republishes the site.
+
+```
+~/ctao-portal-demo/
+├── gitea-data/    # Gitea state (repos, SQLite, accounts)  ← the ONLY thing worth backing up
+├── gitea-config/  # Gitea app.ini (generated from env)
+├── repo/          # clone of the code repo (created by first build)
+├── content/       # clone of the content repo (created by first build)
+├── releases/      # <code>-<content>/ dirs + `current` symlink (what nginx serves)
+├── state/         # last-built release id
+├── npm-cache/     # npm cache for the build container (created by build.sh)
+├── bin/build.sh   # copied from deploy/ (source of truth stays in the code repo)
+└── config/nginx.conf
+```
+
+Host prerequisites: `podman`, `curl`, `jq` (build.sh checks and says which is
+missing). Everything else runs inside containers.
+
+| Port | What | Exposed as |
+|---|---|---|
+| 3000 | Gitea | https://astro-git.isl-dev.grid.cyfronet.pl (ingress vhost) |
+| 8080 | portal (nginx, static) | https://astro.isl-dev.grid.cyfronet.pl (ingress vhost) |
+
+## Install (each step reviewed before running; [W] = writes to the machine)
+
+1. **[W]** `loginctl enable-linger $USER`. Without lingering every user unit
+   dies at logout and nothing starts after a reboot. Verify:
+   `loginctl show-user $USER -p Linger` → `Linger=yes`.
+2. **[W]** `mkdir -p ~/ctao-portal-demo/{gitea-data,gitea-config,releases,state,bin,config} ~/.config/containers/systemd ~/.config/systemd/user`
+3. **[W]** Copy files from this dir (scp):
+   - `ctao-demo-gitea.container`, `ctao-demo-web.container` → `~/.config/containers/systemd/`
+   - `ctao-portal-build.service`, `ctao-portal-build.timer` → `~/.config/systemd/user/`
+   - `build.sh` → `~/ctao-portal-demo/bin/` (`chmod +x`)
+   - `nginx.conf` → `~/ctao-portal-demo/config/`
+   - `Containerfile.build` → anywhere (needed once, for the next step)
+4. **[W]** Pull the images at the digests pinned in the unit files (one-time,
+   needs internet) and build the build image:
+   `podman pull docker.io/gitea/gitea@sha256:<digest from ctao-demo-gitea.container>`
+   `podman pull docker.io/library/nginx@sha256:<digest from ctao-demo-web.container>`
+   `podman build -t localhost/ctao-portal-build:1 -f Containerfile.build .`
+   (Upgrading later = pick new digests deliberately, update the pins in the
+   `.container` files / `Containerfile.build`, re-pull, re-build.)
+5. **[W]** `systemctl --user daemon-reload && systemctl --user start ctao-demo-gitea`
+6. **[W]** Create the Gitea admin. Run it interactively in a terminal so the
+   password never lands in a file or shell history:
+   `podman exec -it ctao-demo-gitea gitea admin user create --admin --username <you> --email <you@…> --random-password`
+7. **[W]** In the Gitea UI: create org `ctao` with repos `portal` and
+   `content` (both public read). Then, from your workstation, push both over
+   the vhost with a repo-scoped token:
+   `git push https://<user>:<token>@astro-git.isl-dev.grid.cyfronet.pl/ctao/portal.git main`
+   `git push https://<user>:<token>@astro-git.isl-dev.grid.cyfronet.pl/ctao/content.git main`
+8. **[W]** `systemctl --user enable --now ctao-portal-build.timer`. The first run
+   clones + `npm ci` + builds (minutes); later runs are seconds. Wait until
+   `journalctl --user -u ctao-portal-build -n 5` shows `published <sha>`
+   (starting nginx earlier just serves 404s until the first build lands).
+9. **[W]** `systemctl --user start ctao-demo-web`
+10. **[R]** Verify: `curl -s -o /dev/null -w '%{http_code}' http://localhost:8080/`
+   and `journalctl --user -u ctao-portal-build -n 20` (shows measured build times).
+
+Editor accounts need WRITE access to `ctao/content` (Gitea → repo →
+Collaborators, or a team); public read alone lets them sign in but every
+save fails.
+
+## CMS sign-in (Sveltia ↔ Gitea OAuth)
+
+- Gitea OAuth2 app (PKCE, `confidential_client=false`, no secret) with
+  redirect `https://astro.isl-dev.grid.cyfronet.pl/admin/`; its client id is
+  the `app_id` in `public/admin/config.yml`.
+- CORS is pinned in `ctao-demo-gitea.container`: `ALLOW_DOMAIN` takes the
+  FULL portal origin with scheme (a bare hostname silently disables CORS in
+  Gitea 1.27; there is no `SCHEME` key) and `HEADERS` must include
+  `Authorization` or authenticated API calls from the browser fail.
+- OAuth requires a secure context: the vhosts must stay HTTPS.
+- Changing origins later = edit the quadlet env + the OAuth app's redirect
+  URI + `config.yml`, then `systemctl --user daemon-reload && systemctl --user restart ctao-demo-gitea`.
+
+## Uninstall (leaves only podman's own storage metadata)
+
+```
+systemctl --user disable --now ctao-portal-build.timer
+systemctl --user stop ctao-demo-web ctao-demo-gitea
+rm ~/.config/containers/systemd/ctao-demo-*.container \
+   ~/.config/systemd/user/ctao-portal-build.{service,timer}
+systemctl --user daemon-reload
+podman rmi localhost/ctao-portal-build:1 docker.io/gitea/gitea:1.27-rootless \
+  docker.io/library/nginx:stable-alpine docker.io/library/node:24-alpine
+rm -rf ~/ctao-portal-demo
+loginctl disable-linger $USER   # only if nothing else of yours should survive logout
+```
+
+## Notes
+
+- A release that fails to build is not retried until either repo gets a new
+  commit (`state/last-failed` guards against a 10 s rebuild loop). To force a
+  retry of the SAME release (e.g. after fixing `bin/build.sh` itself):
+  `rm ~/ctao-portal-demo/state/last-failed`.
+
+- **Only pushes to the machine's Gitea auto-deploy** (code and content repos
+  alike). Changes to `deploy/*` need a manual
+  re-copy: `build.sh` → `bin/`, `nginx.conf` → `config/` +
+  `systemctl --user restart ctao-demo-web`, unit files →
+  `~/.config/…` + `systemctl --user daemon-reload` (+ restart). This is
+  deliberate: the build pipeline must not execute host-side code straight
+  from the content repo.
+- Publish latency = poll (≤10 s) + build (measured: astro build 5–7 s on the
+  2 vCPU VM, whole build.sh 16–21 s; every build's time lands in the journal).
+- Internet needed only for: image pulls (install) and `npm ci` when the
+  lockfile changes. Routine rebuilds are fully offline.
+- Memory caps (`MemoryHigh`) keep us polite next to Outline + Strapi;
+  the build container is capped at 1 GB via `podman run --memory`. Watch the
+  first `npm ci` + build in the journal; if it OOMs inside its cgroup
+  (contained, just retries), raise the cap.
+- Build isolation: build containers join the Gitea container's network
+  namespace (`--network=container:ctao-demo-gitea`): repo/npm code sees
+  Gitea on localhost:3000 but cannot reach host loopback services. (Rootless
+  netavark bridges don't work here: no `ip_tables` kernel module, no sudo.)
+- Secrets inventory: Gitea admin password (typed interactively, lives only
+  in Gitea's DB) and repo-scoped push tokens (managed in Gitea); that's the
+  complete list. Build/poll/serve use none.
@@ -0,0 +1,136 @@
+#!/usr/bin/env bash
+# CTAO portal — poll the code AND content repos, rebuild on any change,
+# publish atomically. Triggered every 10 s by ctao-portal-build.timer; systemd
+# oneshot semantics guarantee runs never overlap. The 99.9% case is two local
+# curls and exit 0. No secrets anywhere: both repos are public-read on the
+# local Gitea.
+#
+# Two repositories by design: code (templates/CSS, developed by the team) and
+# content (Markdown + uploads, committed by the CMS). The build overlays
+# content onto code, so an editor publishing an article and a developer
+# shipping CSS never mix histories — either change republishes the site.
+set -euo pipefail
+
+# Defaults match the machine; every var is env-overridable so the whole
+# pipeline can be tested locally against a sandbox dir + local Gitea.
+BASE="${BASE:-$HOME/ctao-portal-demo}"
+GITEA_URL="${GITEA_URL:-http://localhost:3000}"   # published by ctao-demo-gitea
+CODE_REPO="${CODE_REPO:-ctao/portal}"             # owner/repo in Gitea
+CONTENT_REPO="${CONTENT_REPO:-ctao/content}"
+BRANCH="${BRANCH:-main}"
+BUILD_IMAGE="${BUILD_IMAGE:-localhost/ctao-portal-build:1}"
+# The build joins the Gitea container's network namespace: localhost inside
+# the build = Gitea's loopback (port 3000), host loopback stays unreachable.
+# (A netavark bridge would be equivalent, but rootless bridges need the
+# ip_tables kernel module, absent on the machine — pasta needs nothing.)
+BUILD_NETNS="${BUILD_NETNS:-container:ctao-demo-gitea}"
+CODE_URL="${CODE_URL:-http://localhost:3000/$CODE_REPO.git}"
+CONTENT_URL="${CONTENT_URL:-http://localhost:3000/$CONTENT_REPO.git}"
+KEEP="${KEEP:-3}"                                 # previous releases kept besides `current` (rollback targets)
+mkdir -p "$BASE/repo" "$BASE/content" "$BASE/releases" "$BASE/state" "$BASE/npm-cache"
+
+# Host prerequisites (everything else runs inside containers). Fail loud —
+# a missing tool is permanent, unlike a Gitea hiccup below.
+for tool in curl jq podman; do
+  command -v "$tool" >/dev/null || { echo "missing host tool: $tool"; exit 1; }
+done
+
+# --- 1. Cheap poll: both branch heads via the local Gitea API ---
+head_of() {
+  curl -fsS --max-time 5 "$GITEA_URL/api/v1/repos/$1/branches/$BRANCH" \
+    | jq -r '.commit.id' || true
+}
+code_sha=$(head_of "$CODE_REPO")
+content_sha=$(head_of "$CONTENT_REPO")
+# Gitea down/unreachable is a transient, not a unit failure — exit 0 quietly
+# instead of painting the journal red every 10 s. Name the repo: a 404 here
+# also means "repo/branch missing or renamed", not just "Gitea down".
+[[ "$code_sha" =~ ^[0-9a-f]{40}$ ]] || { echo "poll failed for $CODE_REPO@$BRANCH (gitea down, or repo/branch missing) — skipping"; exit 0; }
+[[ "$content_sha" =~ ^[0-9a-f]{40}$ ]] || { echo "poll failed for $CONTENT_REPO@$BRANCH (gitea down, or repo/branch missing) — skipping"; exit 0; }
+release="${code_sha:0:12}-${content_sha:0:12}"    # code+content pin the release
+# Skip only if this pair is both recorded AND still present in releases/
+# (a deleted release dir must trigger a rebuild, not an eternal skip).
+[[ "$release" == "$(cat "$BASE/state/last-built" 2>/dev/null)" \
+   && -d "$BASE/releases/$release" ]] && exit 0
+# A release that already failed is not retried until either repo moves —
+# otherwise one bad commit (e.g. broken frontmatter) turns into a full
+# rebuild every 10 s on a shared VM. The failure is loud once, then quiet.
+if [[ "$release" == "$(cat "$BASE/state/last-failed" 2>/dev/null)" ]]; then
+  echo "skipping $release — build failed before; push a fix to retry"
+  exit 0
+fi
+
+echo "building code=$code_sha content=$content_sha"
+t0=$(date +%s)
+
+# --- 2. Build in the ephemeral container (git + pinned node live there).
+# SECURITY: the container runs npm lifecycle scripts from the repo, so it is
+# confined to Gitea's netns — it reaches Gitea on localhost:3000 and the
+# internet (for `npm ci` when the lockfile changed), but NOT the host's
+# loopback services. Never use --network=host here.
+# node_modules and .deps-hash are untracked, so they survive checkouts.
+podman run --rm --network="$BUILD_NETNS" --memory=1g \
+  -e ASTRO_TELEMETRY_DISABLED=1 \
+  -e CODE_SHA="$code_sha" -e CODE_URL="$CODE_URL" \
+  -e CONTENT_SHA="$content_sha" -e CONTENT_URL="$CONTENT_URL" \
+  -e RELEASE="$release" -e BRANCH="$BRANCH" \
+  -v "$BASE/repo:/work/repo:z" \
+  -v "$BASE/content:/work/content:z" \
+  -v "$BASE/releases:/work/releases:z" \
+  -v "$BASE/npm-cache:/root/.npm:z" \
+  -w /work "$BUILD_IMAGE" sh -ec '
+    git config --global safe.directory "/work/repo"
+    git config --global --add safe.directory "/work/content"
+    sync_clone() {  # $1 dir  $2 url  $3 sha
+      [ -d "$1/.git" ] || git clone --branch "$BRANCH" "$2" "$1"
+      git -C "$1" remote set-url origin "$2"   # self-heal if the URL changes
+      git -C "$1" fetch --quiet origin "$BRANCH"
+      # --force: the working copy is disposable; a stray tracked-file edit
+      # must not wedge every future build.
+      git -C "$1" checkout --quiet --force "$3"
+    }
+    sync_clone repo    "$CODE_URL"    "$CODE_SHA"
+    sync_clone content "$CONTENT_URL" "$CONTENT_SHA"
+    # Overlay content onto code (these paths are gitignored in the code repo).
+    # mkdir -p: checkout prunes the emptied parent dirs, cp needs them back.
+    rm -rf repo/src/content/news repo/src/content/pages repo/public/uploads
+    mkdir -p repo/src/content repo/public
+    cp -a content/news    repo/src/content/news
+    cp -a content/pages   repo/src/content/pages
+    cp -a content/uploads repo/public/uploads
+    cd repo
+    lock=$(sha256sum package-lock.json | cut -d" " -f1)
+    if [ ! -d node_modules ] || [ "$lock" != "$(cat .deps-hash 2>/dev/null)" ]; then
+      # --ignore-scripts: (1) removes the install-time postinstall vector from
+      # npm deps (build-time repo code still runs `npm run build` below — the
+      # netns confinement is the control for that), (2) avoids the esbuild
+      # ETXTBSY postinstall race in rootless containers. esbuild ships its
+      # binary as an optional dep, so nothing here needs lifecycle scripts.
+      npm ci --ignore-scripts --no-audit --no-fund
+      echo "$lock" > .deps-hash
+    fi
+    npm run build
+    rm -rf "../releases/$RELEASE"
+    cp -a dist "../releases/$RELEASE"
+  ' || { echo "$release" > "$BASE/state/last-failed"; echo "BUILD FAILED for $release (see above) — will not retry until a new commit"; exit 1; }
+rm -f "$BASE/state/last-failed"
+
+# --- 3. Atomic publish: symlink flip via rename(2) — no half-published moment.
+# mv -T is GNU (the target host is Rocky); when testing on macOS put a
+# coreutils `mv` (gmv) first in PATH.
+rm -f "$BASE/releases/".current.*   # stale temps from a crash mid-flip
+ln -s "$release" "$BASE/releases/.current.$$"
+mv -Tf "$BASE/releases/.current.$$" "$BASE/releases/current"
+echo "$release" > "$BASE/state/last-built"
+
+# --- 4. Prune old releases. `current`'s target is excluded explicitly —
+# mtime ordering makes it newest today, but nothing should depend on that.
+# `|| true`: an empty match must not fail the unit after a successful publish
+# (grep exits 1 under pipefail when there is nothing to prune).
+cd "$BASE/releases"
+cur=$(readlink current || true)
+ls -1t | grep -vx current | grep -vx -- "$cur" | tail -n +"$((KEEP + 1))" | while read -r old; do
+  rm -rf -- "$old"
+done || true
+
+echo "published $release in $(( $(date +%s) - t0 ))s"
@@ -0,0 +1,62 @@
+# CTAO portal demo — Gitea (CMS backend: content repo, editor accounts, OAuth for Sveltia)
+# Quadlet unit. Install: copy to ~/.config/containers/systemd/ on the machine,
+# then `systemctl --user daemon-reload` → service name: ctao-demo-gitea.service.
+# Rootless image + SQLite by design: one container, no DB server, all state
+# lives in ~/ctao-portal-demo/gitea-{data,config} — nothing else on the machine.
+
+[Unit]
+Description=CTAO portal demo — Gitea
+Wants=network-online.target
+After=network-online.target
+
+[Container]
+ContainerName=ctao-demo-gitea
+# Pinned by digest at install (2026-07-28); tag kept for readability.
+Image=docker.io/gitea/gitea:1.27-rootless@sha256:36cce26be71609091e1236d5b5de2c66a81fb8a7d45756a5fd3b7a28c11733b7
+# The rootless image runs as uid 1000 inside; keep-id maps it to the host user
+# so the bind-mounted dirs stay owned by `strapi` (no chown, no root anywhere).
+UserNS=keep-id:uid=1000,gid=1000
+# Networking: default rootless pasta (userspace — the machine's kernel lacks
+# ip_tables for rootless netavark bridges, and we have no sudo). The build
+# container joins THIS container's netns (--network=container:ctao-demo-gitea),
+# so it sees Gitea on localhost:3000 while the HOST loopback stays invisible.
+Volume=%h/ctao-portal-demo/gitea-data:/var/lib/gitea:Z
+Volume=%h/ctao-portal-demo/gitea-config:/etc/gitea:Z
+# Bound on all interfaces DELIBERATELY: the ingress that terminates the
+# public vhost runs on a separate box and reaches this VM over the network —
+# a 127.0.0.1 bind would cut it off.
+PublishPort=3000:3000
+
+# Env-driven config — re-applied on every start, no hand-edited app.ini
+# (see .skills/gitea/SKILL.md). Secrets: none here; the admin account is
+# created interactively after first start (README).
+Environment=GITEA__server__HTTP_PORT=3000
+# Public URL via the Cyfronet ingress vhost.
+Environment=GITEA__server__ROOT_URL=https://astro-git.isl-dev.grid.cyfronet.pl/
+Environment=GITEA__server__DISABLE_SSH=true
+Environment=GITEA__database__DB_TYPE=sqlite3
+Environment=GITEA__security__INSTALL_LOCK=true
+Environment=GITEA__service__DISABLE_REGISTRATION=true
+Environment=GITEA__mailer__ENABLED=false
+# Repos default to public so the build pipeline can clone anonymously —
+# content is the public site anyway. The `ctao/portal` repo itself is
+# created in the UI (README step 7).
+Environment=GITEA__repository__DEFAULT_PRIVATE=public
+# Sveltia is served from the portal vhost and calls the Gitea API cross-origin
+# — CORS locked to exactly that origin. ALLOW_DOMAIN takes FULL origins with
+# scheme (verified in the 1.27 config cheat sheet; a SCHEME key no longer
+# exists). Authorization must be listed in HEADERS — the default set
+# (Content-Type,User-Agent) would block Sveltia's authenticated API calls.
+Environment=GITEA__cors__ENABLED=true
+Environment=GITEA__cors__ALLOW_DOMAIN=https://astro.isl-dev.grid.cyfronet.pl
+Environment=GITEA__cors__HEADERS=Authorization,Content-Type,User-Agent
+Environment=GITEA__cors__METHODS=GET,HEAD,POST,PUT,PATCH,DELETE,OPTIONS
+
+[Service]
+Restart=on-failure
+# Shared 3.6 GB VM (Outline + Strapi live here too) — keep Gitea on a leash.
+MemoryHigh=400M
+MemoryMax=600M
+
+[Install]
+WantedBy=default.target
@@ -0,0 +1,28 @@
+# CTAO portal demo — static web server. Serves ~/ctao-portal-demo/releases/current
+# (a symlink the build flips atomically). Read-only mounts: nginx can only read.
+# Quadlet unit → service name: ctao-demo-web.service.
+
+[Unit]
+Description=CTAO portal demo — static web server (nginx)
+Wants=network-online.target
+After=network-online.target
+
+[Container]
+ContainerName=ctao-demo-web
+# Pinned by digest at install (2026-07-28); tag kept for readability.
+Image=docker.io/library/nginx:stable-alpine@sha256:97d490c12ba55b4946b01546d1c3ed324e8d41ab1c9fcb2a616aa470620e5b46
+# releases/ is shared with the build container (:z shared label);
+# the config file is exclusive to nginx (:Z).
+Volume=%h/ctao-portal-demo/releases:/srv/releases:ro,z
+Volume=%h/ctao-portal-demo/config/nginx.conf:/etc/nginx/conf.d/default.conf:ro,Z
+# All-interfaces bind is deliberate — the ingress box reaches us over the
+# network (see the matching note in ctao-demo-gitea.container).
+PublishPort=8080:80
+
+[Service]
+Restart=on-failure
+MemoryHigh=64M
+MemoryMax=128M
+
+[Install]
+WantedBy=default.target
@@ -0,0 +1,15 @@
+# CTAO portal demo — rebuild-on-new-commit worker (fired by the .timer).
+# Install: copy to ~/.config/systemd/user/ → systemctl --user daemon-reload.
+# Type=oneshot + timer means runs can never overlap: the timer will not
+# activate a service that is still running.
+
+[Unit]
+Description=CTAO portal demo — rebuild if the code or content repo has new commits
+
+[Service]
+Type=oneshot
+ExecStart=%h/ctao-portal-demo/bin/build.sh
+# Polite neighbour on the shared VM:
+Nice=10
+# First-ever npm ci on 2 vCPU can be slow; normal rebuilds are seconds.
+TimeoutStartSec=900
@@ -0,0 +1,18 @@
+# CTAO portal demo — poll cadence for the build worker.
+# OnUnitInactiveSec: next tick 10 s after the previous run FINISHES (it is
+# deactivation-relative; OnUnitActiveSec would be start-relative). Overlap is
+# impossible either way — a timer never activates a still-running unit.
+# OnActiveSec covers `systemctl --user enable --now` (first tick 5 s later);
+# OnBootSec covers reboot. Enable: systemctl --user enable --now ctao-portal-build.timer
+
+[Unit]
+Description=CTAO portal demo — poll the code and content repos every 10 s
+
+[Timer]
+OnActiveSec=5
+OnBootSec=30
+OnUnitInactiveSec=10
+AccuracySec=1s
+
+[Install]
+WantedBy=timers.target
@@ -0,0 +1,49 @@
+# CTAO portal demo — static serving. The cache split is what makes the
+# 10-second publish loop feel instant: HTML is revalidated on every request
+# (a symlink flip shows up on the next refresh), fingerprinted assets are
+# cached forever.
+server {
+  listen 80;
+  server_name _;
+  root /srv/releases/current;
+  charset utf-8;
+  server_tokens off;
+  error_page 404 /404.html;    # Astro emits 404.html at the site root
+  # Directory redirects (/admin -> /admin/) must stay relative: an absolute
+  # redirect is built from listen port 80 and loses the real port whenever the
+  # site is reached through a tunnel or a proxy on a non-default port.
+  absolute_redirect off;
+
+  # Security headers are REPEATED in every location on purpose: nginx
+  # `add_header` inheritance is all-or-nothing — any add_header in a location
+  # discards ALL server-level ones, so server-level headers would silently
+  # vanish. `always` keeps them on error responses (404) too.
+
+  # Fingerprinted build assets (/_astro/<name>.<hash>.*) — immutable
+  location /_astro/ {
+    add_header Cache-Control "public, max-age=31536000, immutable" always;
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
+    add_header X-Frame-Options "SAMEORIGIN" always;
+  }
+
+  # Editor-uploaded media (stable paths, may be re-uploaded) — short cache
+  location /uploads/ {
+    add_header Cache-Control "public, max-age=3600" always;
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
+    add_header X-Frame-Options "SAMEORIGIN" always;
+  }
+
+  # Everything else: HTML pages, feeds, /admin (Sveltia is static files too)
+  location / {
+    try_files $uri $uri/ =404;
+    add_header Cache-Control "no-cache" always;
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
+    add_header X-Frame-Options "SAMEORIGIN" always;
+  }
+
+  gzip on;
+  gzip_types text/css application/javascript application/json image/svg+xml application/rss+xml text/xml application/xml;
+}
@@ -0,0 +1,22 @@
+{
+  "name": "ctao-portal",
+  "type": "module",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "astro dev",
+    "build": "astro build",
+    "preview": "astro preview",
+    "check": "astro check && astro build && node scripts/check-links.mjs"
+  },
+  "dependencies": {
+    "astro": "7.2.10"
+  },
+  "devDependencies": {
+    "@astrojs/check": "0.9.10",
+    "typescript": "6.0.3"
+  },
+  "engines": {
+    "node": ">=22.19.0"
+  }
+}
@@ -0,0 +1,80 @@
+# Sveltia CMS config — backend: Gitea behind the Cyfronet ingress (HTTPS
+# vhost). Editors log in via Gitea OAuth (PKCE, no client secret); edits are
+# committed to the ctao/content repo. Gitea's ROOT_URL and CORS are pinned to
+# these origins in deploy/ctao-demo-gitea.container.
+backend:
+  name: gitea
+  # Content lives in its OWN repo (editorial history separate from code —
+  # the build overlays it onto the portal code, see deploy/build.sh).
+  repo: ctao/content
+  branch: main
+  base_url: https://astro-git.isl-dev.grid.cyfronet.pl
+  api_root: https://astro-git.isl-dev.grid.cyfronet.pl/api/v1
+  app_id: cf1c44ac-ebe6-4a97-bf2f-f7f26ef1126c
+  # OAuth only — hides the "access token" sign-in option (documented
+  # auth_methods). The "Work with Local Repository" button needs no config:
+  # it renders only on localhost (source-verified), so it vanishes once the
+  # portal is served from a real domain.
+  auth_methods: [oauth]
+
+# CTAO branding on the sign-in screen and browser tab (documented Sveltia
+# options: app_title replaces the "Sveltia CMS" label; logo.src is the
+# current form of the deprecated logo_url).
+app_title: CTAO Content Editor
+logo:
+  src: /brand/CTAO_Logo_login.svg
+
+media_folder: "uploads"
+public_folder: "/uploads"
+
+# Keep the git repo lean: images are stored as plain git blobs (no LFS), so
+# every upload is converted client-side to WebP q85 and capped at 2048px
+# (documented media_libraries transformations). A phone photo lands in the
+# repo as ~100-300 KB instead of 5-10 MB.
+media_libraries:
+  default:
+    config:
+      slugify_filename: true
+      transformations:
+        raster_image:
+          format: webp
+          quality: 85
+          width: 2048
+          height: 2048
+        svg:
+          optimize: true
+
+collections:
+  - name: news
+    label: "News"
+    label_singular: "Article"
+    folder: "news"
+    create: true
+    slug: "{{slug}}"
+    extension: md
+    format: frontmatter
+    summary: "{{title}}  ·  {{date}}"
+    fields:
+      - { name: title, label: "Title", widget: string }
+      - { name: description, label: "Short description", widget: text }
+      - { name: date, label: "Date", widget: datetime, date_format: "YYYY-MM-DD", time_format: false }
+      - { name: category, label: "Category", widget: string, default: "news" }
+      - { name: author, label: "Author", widget: string, default: "CTAO" }
+      - { name: cover, label: "Cover image", widget: image, required: false }
+      - { name: lang, label: "Language (if not English, e.g. pl)", widget: string, required: false }
+      - { name: draft, label: "Draft (unpublished)", widget: boolean, default: false }
+      - { name: body, label: "Body", widget: markdown }
+
+  - name: pages
+    label: "Pages"
+    label_singular: "Page"
+    folder: "pages"
+    create: true
+    slug: "{{slug}}"
+    extension: md
+    format: frontmatter
+    summary: "{{title}}"
+    fields:
+      - { name: title, label: "Title", widget: string }
+      - { name: description, label: "Description", widget: text, required: false }
+      - { name: body, label: "Body", widget: markdown }
@@ -0,0 +1,71 @@
+/* Entry-preview styles for the Sveltia editor, registered via the documented
+   CMS.registerPreviewStyle API (bare element selectors, per the official docs
+   example). This file MIRRORS the article styles 1:1 — the design tokens from
+   :root and the `.prose` block in src/styles/global.css — with `.prose`
+   dropped from selectors (the preview pane has no such wrapper).
+   KEEP IN SYNC: when you touch `.prose` or the tokens in global.css, update
+   the corresponding value here (a matching reminder sits next to `.prose`).
+   Fonts: same self-hosted woff2 files the site uses, same origin. (The
+   Sveltia bundle still loads its own UI fonts from jsDelivr — only the
+   PREVIEW pane is CDN-free.) */
+@font-face {
+  font-family: "Inter"; font-weight: 400 700; font-display: swap;
+  src: url("/fonts/inter-latin.woff2") format("woff2");
+}
+@font-face {
+  font-family: "Space Grotesk"; font-weight: 500 700; font-display: swap;
+  src: url("/fonts/space-grotesk-latin.woff2") format("woff2");
+}
+
+:root {
+  /* tokens copied from global.css :root */
+  --galaxy: #00004a;
+  --moon: #f5f5f5;
+  --text: #101228;
+  --muted: #46536a;
+  --border: #e2e5ee;
+  --link: #0057c2;
+  --font-body: "Inter", Arial, system-ui, sans-serif;
+  --font-display: "Space Grotesk", var(--font-body);
+  --fs-s: 0.9rem;
+  --fs-l: 1.125rem;
+  --fs-xl: 1.5rem;
+  --fs-h2: clamp(1.75rem, 3.5vw, 2.5rem);
+  --radius: 16px;
+}
+
+/* preview shell ≈ article column */
+body {
+  font-family: var(--font-body);
+  color: var(--text);
+  max-width: 70ch;
+  margin: 0 auto;
+  padding: 24px;
+}
+
+/* = global.css base heading/link rules = */
+h1, h2 { font-family: var(--font-display); font-weight: 500; letter-spacing: -0.025em; line-height: 1.1; }
+h3 { font-weight: 600; }
+h1, h2, h3 { overflow-wrap: break-word; text-wrap: balance; }
+a { color: var(--link); text-decoration: underline; text-underline-offset: 3px; }
+
+/* = global.css `.prose` rules, selectors unwrapped = */
+body { line-height: 1.65; overflow-wrap: break-word; }
+a { overflow-wrap: anywhere; }
+h1 { color: var(--galaxy); font-size: var(--fs-h2); } /* mirrors `.article h1` */
+h2 { color: var(--galaxy); margin: 44px 0 12px; font-size: var(--fs-xl); }
+h3 { color: var(--galaxy); margin: 30px 0 8px; font-size: var(--fs-l); }
+p { margin: 0 0 16px; text-wrap: pretty; }
+ul, ol { margin: 0 0 16px; padding-left: 22px; }
+li { margin: 6px 0; }
+blockquote {
+  margin: 22px 0; padding: 12px 20px; border-left: 3px solid var(--galaxy);
+  background: var(--moon); color: var(--text);
+}
+img { display: block; max-width: 100%; height: auto; border: 1px solid var(--border); border-radius: var(--radius); }
+img + em, p > em:only-child { color: var(--muted); font-size: var(--fs-s); }
+hr { border: 0; border-top: 1px solid var(--border); margin: 32px 0; }
+table { display: block; width: 100%; overflow-x: auto; border-collapse: collapse; margin: 0 0 16px; font-size: var(--fs-s); }
+th { text-align: left; font-weight: 600; color: var(--galaxy); }
+th, td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
+thead th { border-bottom: 2px solid var(--galaxy); }
@@ -0,0 +1,129 @@
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+<!-- Generator: Adobe Illustrator 28.3.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
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+	 viewBox="0 0 153 32" style="enable-background:new 0 0 153 32;" xml:space="preserve">
+<style type="text/css">
+	.st0{display:none;}
+	.st1{display:inline;}
+	.st2{display:inline;clip-path:url(#SVGID_00000021077498389242353310000002629454631782585475_);}
+	.st3{fill:#FFFFFF;}
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+</svg>
@@ -0,0 +1,4 @@
+# Demo instance — keep out of search indexes until this becomes the real
+# portal on its final domain (then: Allow: / and restore the Sitemap line).
+User-agent: *
+Disallow: /
@@ -0,0 +1,164 @@
+// Shared client-side news search over /search.json (no dependencies, no modules).
+// Used by the header search (field + mobile reveal) and /search (full results).
+// Focused-empty state per Baymard autocomplete guidance: recent searches (local
+// only — localStorage, no network) plus the newest articles, never a void.
+(function () {
+  const RKEY = 'ctao-recent-searches';
+  function recents() {
+    try { return JSON.parse(localStorage.getItem(RKEY) || '[]'); } catch { return []; }
+  }
+  function remember(q) {
+    q = (q || '').trim();
+    if (q.length < 2) return;
+    try {
+      const r = [q, ...recents().filter((x) => x.toLowerCase() !== q.toLowerCase())].slice(0, 4);
+      localStorage.setItem(RKEY, JSON.stringify(r));
+    } catch { /* private mode — recents are a nicety */ }
+  }
+
+  window.newsSearch = function (opts) {
+    const input = document.getElementById(opts.input);
+    const list = document.getElementById(opts.list);
+    const status = document.getElementById(opts.status);
+    // Null-safe: a page may render only some search surfaces — bail silently
+    // (returning a no-op) so one missing input can't kill later inits.
+    if (!input || !list || !status) return function () {};
+    let index = null;
+    let timer;
+    async function ensureIndex() {
+      if (index) return index;
+      try {
+        index = await (await fetch('/search.json')).json();
+      } catch {
+        // Network hiccup: say so instead of failing silently; index stays
+        // null so the next keystroke retries.
+        status.textContent = 'Search is unavailable right now.';
+        return null;
+      }
+      return index;
+    }
+    // First title match wrapped in <mark> (Starlight search pattern) — built
+    // from text nodes, never innerHTML.
+    function highlight(text, q) {
+      const i = text.toLowerCase().indexOf(q);
+      if (i < 0) return [text];
+      const mark = document.createElement('mark');
+      mark.textContent = text.slice(i, i + q.length);
+      return [text.slice(0, i), mark, text.slice(i + q.length)];
+    }
+    function label(text) {
+      const li = document.createElement('li');
+      li.className = 'suggest-label';
+      li.setAttribute('aria-hidden', 'true'); // the status line announces it
+      li.textContent = text;
+      return li;
+    }
+    function row(children, href, q) {
+      const li = document.createElement('li');
+      const a = document.createElement('a');
+      a.href = href;
+      if (q) a.dataset.q = q;
+      a.append(...children);
+      li.append(a);
+      return li;
+    }
+    // Dropdowns close with a "Press Enter for all results" row — a real list
+    // element (was a CSS ::after), aria-hidden like the group labels so
+    // screen-reader exposure stays consistent (the status line announces).
+    function hint() {
+      if (!opts.dismiss || !list.firstChild) return;
+      const li = document.createElement('li');
+      li.className = 'suggest-hint';
+      li.setAttribute('aria-hidden', 'true');
+      li.textContent = 'Press Enter for all results';
+      list.append(li);
+    }
+    // Focused-empty state: up to 4 recent queries, topped up to 5 rows with
+    // the newest articles from the same index.
+    async function idle() {
+      if (input.value.trim().length >= 2) return;
+      // Build off-DOM, swap atomically — clearing before the await shrinks the
+      // page mid-flight and the browser clamps the scroll position ("jumps up").
+      const frag = document.createDocumentFragment();
+      const r = recents();
+      if (r.length) {
+        frag.append(label('Recent'));
+        for (const term of r) frag.append(row([term], '/search?q=' + encodeURIComponent(term), term));
+      }
+      const idx = await ensureIndex();
+      if (!idx) return;
+      const fresh = idx.slice(0, Math.max(1, 5 - r.length));
+      if (input.value.trim().length >= 2) return; // typed meanwhile — run() owns the list
+      frag.append(label('Latest news'));
+      for (const p of fresh) {
+        const li = row([p.title], '/news/' + encodeURIComponent(p.slug));
+        const small = document.createElement('small');
+        small.textContent = p.date;
+        li.append(small);
+        frag.append(li);
+      }
+      list.replaceChildren(frag);
+      hint();
+      status.textContent = opts.hint || (r.length ? 'Showing recent searches and latest news' : 'Showing latest news');
+    }
+    async function run() {
+      const q = input.value.trim().toLowerCase();
+      if (q.length < 2) { list.replaceChildren(); idle(); return; }
+      const idx = await ensureIndex();
+      if (!idx) { list.replaceChildren(); return; }
+      const hits = idx
+        .filter((p) => (p.title + ' ' + p.description + ' ' + p.category).toLowerCase().includes(q))
+        .slice(0, opts.limit);
+      const unit = opts.unit || 'result';
+      status.textContent = hits.length
+        ? hits.length + ' ' + unit + (hits.length === 1 ? '' : 's') + ' for “' + input.value.trim() + '”'
+        : 'No results for “' + input.value.trim() + '”. Try a shorter or different term.';
+      // Off-DOM build + atomic swap (no transient page-height collapse)
+      const frag = document.createDocumentFragment();
+      for (const p of hits) {
+        const li = row(highlight(p.title, q), '/news/' + encodeURIComponent(p.slug));
+        const small = document.createElement('small');
+        small.textContent = p.date;
+        li.append(small);
+        frag.append(li);
+      }
+      // Dropdown only: an empty list would collapse (.suggest:empty) and the
+      // panel would just vanish — show the no-results line sighted users too
+      // (the status line above is sr-only in the header; /search shows a
+      // visible notice instead).
+      if (!hits.length && opts.dismiss) {
+        const li = document.createElement('li');
+        li.className = 'suggest-hint';
+        li.setAttribute('aria-hidden', 'true'); // the status line announces it
+        li.textContent = 'No results for “' + input.value.trim() + '”';
+        frag.append(li);
+      }
+      list.replaceChildren(frag);
+      hint();
+    }
+    input.addEventListener('input', () => { clearTimeout(timer); timer = setTimeout(run, 150); });
+    input.addEventListener('focus', () => { if (input.value.trim().length < 2) idle(); });
+    // Remember successful queries: Enter (form submit) and suggestion clicks
+    if (input.form) input.form.addEventListener('submit', () => remember(input.value));
+    list.addEventListener('click', (e) => {
+      const a = e.target.closest && e.target.closest('a');
+      remember((a && a.dataset.q) || input.value);
+    });
+    // Dropdown dismiss (opt-in — /search keeps its results list). The
+    // suggestion list is a NON-MODAL popup (combobox-style; plain
+    // Tab-reachable links, no roving arrow-key focus): interacting outside
+    // the field+list closes it but the interaction is NOT swallowed —
+    // unlike the modal header panels, which scrim-dismiss in Base.astro.
+    if (opts.dismiss) {
+      const box = input.closest('form') || input.parentElement;
+      const hide = () => { clearTimeout(timer); list.replaceChildren(); status.textContent = ''; };
+      document.addEventListener('pointerdown', (e) => { if (list.firstChild && !box.contains(e.target)) hide(); });
+      // relatedTarget may be null mid-click on our own links — pointerdown covers that path
+      box.addEventListener('focusout', (e) => { if (e.relatedTarget && !box.contains(e.relatedTarget)) hide(); });
+      input.addEventListener('keydown', (e) => {
+        if (e.key === 'Escape' && list.firstChild) { hide(); e.stopPropagation(); } // panel Escape stays a second step
+      });
+    }
+    return run; // callers may run() immediately (e.g. /search?q=…)
+  };
+})();
@@ -0,0 +1,38 @@
+// Deterministic internal-link check over the built site (zero dependencies).
+// Run AFTER `astro build`: scans dist/**/*.html for root-relative href/src
+// values and fails (exit 1) if any target has no file in dist/. External
+// URLs, mailto:, data: and pure-#fragment links are out of scope.
+import { readdirSync, readFileSync, existsSync, statSync } from 'node:fs';
+import { join } from 'node:path';
+
+const DIST = new URL('../dist', import.meta.url).pathname;
+if (!existsSync(DIST)) { console.error('dist/ not found — run `npm run build` first'); process.exit(1); }
+
+const htmlFiles = [];
+(function walk(dir) {
+  for (const name of readdirSync(dir)) {
+    const p = join(dir, name);
+    if (statSync(p).isDirectory()) walk(p);
+    else if (name.endsWith('.html')) htmlFiles.push(p);
+  }
+})(DIST);
+
+const resolves = (path) => {
+  const clean = decodeURI(path.split(/[?#]/)[0]);
+  if (clean === '/') return true;
+  return ['', '.html', '/index.html'].some((suffix) =>
+    existsSync(join(DIST, clean.replace(/\/$/, '') + suffix)));
+};
+
+let broken = 0;
+for (const file of htmlFiles) {
+  const html = readFileSync(file, 'utf8');
+  for (const [, , url] of html.matchAll(/\s(href|src)="(\/[^"]*)"/g)) {
+    if (!resolves(url)) {
+      console.error(`broken: ${url}  (in ${file.slice(DIST.length + 1)})`);
+      broken++;
+    }
+  }
+}
+console.log(broken ? `${broken} broken internal link(s)` : `OK — ${htmlFiles.length} pages, all internal links resolve`);
+process.exit(broken ? 1 : 0);
@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+# Local dev: put the content repo's files where the build expects them.
+# Usage: ./scripts/link-content.sh [path-to-content-clone]   (default ../ctao-content)
+# Copies (not symlinks) so the dev tree behaves exactly like the machine
+# build overlay; re-run after pulling content changes.
+set -euo pipefail
+cd "$(dirname "$0")/.."
+src="${1:-../ctao-content}"
+for d in news pages uploads; do
+  [ -d "$src/$d" ] || { echo "content clone incomplete: $src/$d missing (git clone <gitea>/ctao/content.git first)"; exit 1; }
+done
+rm -rf src/content/news src/content/pages public/uploads
+mkdir -p src/content public
+cp -a "$src/news"    src/content/news
+cp -a "$src/pages"   src/content/pages
+cp -a "$src/uploads" public/uploads
+echo "content linked from $src"
@@ -0,0 +1,16 @@
+---
+// The one news card — used by the home page and the /news archive.
+// `featured` (archive page 1, first item) switches the wide lead variant and
+// eager-loads its cover. Cover alt stays empty by design: the image is
+// decorative next to the always-visible title.
+import { fmt, iso, readMin } from '../lib/news.js';
+const { post, featured = false } = Astro.props;
+---
+<article class={featured ? 'card card--featured' : 'card'}>
+  {post.data.cover && <img class="cover" src={encodeURI(post.data.cover)} alt="" loading={featured ? 'eager' : 'lazy'} />}
+  <div class="body">
+    <h3><a href={`/news/${post.id}`}>{post.data.title}</a></h3>
+    <p class="desc">{post.data.description}</p>
+    <div class="meta"><span><svg class="ico" aria-hidden="true" viewBox="0 0 24 24"><rect x="4" y="5" width="16" height="16" rx="2" /><path d="M4 10h16M8 3v4M16 3v4" /></svg><time datetime={iso(post.data.date)}>{fmt(post.data.date)}</time></span><span><svg class="ico" aria-hidden="true" viewBox="0 0 24 24"><circle cx="12" cy="12" r="9" /><path d="M12 7v5l3 2" /></svg>{readMin(post)} min read</span></div>
+  </div>
+</article>
@@ -0,0 +1,41 @@
+import { defineCollection } from 'astro:content';
+import { z } from 'astro/zod';
+import { glob } from 'astro/loaders';
+
+// News/articles live as Markdown files in src/content/news/*.md.
+// This is exactly what Sveltia CMS edits — the CMS writes these files, Astro
+// renders them to static HTML at build time.
+const news = defineCollection({
+  // Top-level only ('*.md', not '**'): entry ids feed a non-rest [slug]
+  // route, and an id from a subfolder would contain '/' and break it.
+  loader: glob({ pattern: '*.md', base: './src/content/news' }),
+  schema: z.object({
+    title: z.string(),
+    description: z.string(),
+    date: z.coerce.date(),
+    category: z.string().default('news'),
+    author: z.string().default('CTAO'),
+    // Public-path string, e.g. "/uploads/foo.jpg" — media lives in the
+    // content repo's uploads/, overlaid to public/uploads at build time,
+    // which Astro's image() helper can't validate (src/ only).
+    cover: z.string().optional(),
+    // BCP-47 tag when an article is not in English (e.g. "pl") — set as lang
+    // on the <article> element so screen readers pick the right voice.
+    lang: z.string().optional(),
+    draft: z.boolean().default(false),
+  }),
+});
+
+// Static portal pages (privacy, disclaimer, contact…) — separate collection
+// because the content type differs (no dates/covers/categories), and editors
+// get a distinct "Pages" section in the CMS.
+const pages = defineCollection({
+  // Top-level only, same reason as news: the [slug] route is non-rest.
+  loader: glob({ pattern: '*.md', base: './src/content/pages' }),
+  schema: z.object({
+    title: z.string(),
+    description: z.string().optional(),
+  }),
+});
+
+export const collections = { news, pages };
@@ -0,0 +1,191 @@
+---
+import '../styles/global.css';
+// `ambient` opts a page into the whole-page drifting brand wash (home only)
+// `type`/`image` feed the social meta: articles pass type="article" + their cover.
+const { title = 'CTAO Science Portal', description = 'CTAO Science Portal demo', ambient = false, type = 'website', image } = Astro.props;
+// Absolute URLs for canonical/OG/RSS (head pattern from the official Astro
+// blog template). `site` comes from astro.config.mjs and is always set.
+const site = Astro.site;
+const canonical = new URL(Astro.url.pathname, site);
+// SVG covers never reach og:image — link-preview crawlers (Slack/Teams/
+// LinkedIn) don't render SVG, so those articles fall back to the brand card.
+const ogImage = new URL(image && !image.endsWith('.svg') ? image : '/brand/og-card.jpg', site);
+const path = Astro.url.pathname;
+const isActive = (href: string) => (href === '/' ? path === '/' : path.startsWith(href));
+// Navigation = services from the Science Portal spec (REQUIREMENTS.md §2/§5).
+// Order: serial-position effect (NN/g) — News (universal entry) first, Support
+// (help convention) last; Data/Proposals by task frequency; Dashboard is the
+// personal area, placed late next to the Sign-in cluster. External systems
+// built by other teams are links out, clearly marked.
+const links = [
+  { href: '/news', label: 'News' },
+  { href: 'https://padc-ctao-data-explorer.obspm.fr/', label: 'Data', ext: true },
+  { href: '/proposals', label: 'Proposals' },
+  { href: '/dashboard', label: 'Dashboard' },
+  { href: '/support', label: 'Support' },
+];
+---
+<!doctype html>
+{/* Always "en": the chrome (nav/footer) is English; a non-English article
+    sets lang on its <article> element instead ([slug].astro). */}
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title>{title}</title>
+    <meta name="description" content={description} />
+    <link rel="canonical" href={canonical} />
+    {/* Social cards (Open Graph + Twitter) — article cover when present, brand card otherwise */}
+    <meta property="og:site_name" content="CTAO Science Portal" />
+    <meta property="og:title" content={title} />
+    <meta property="og:description" content={description} />
+    <meta property="og:type" content={type} />
+    <meta property="og:url" content={canonical} />
+    <meta property="og:image" content={ogImage} />
+    <meta name="twitter:card" content="summary_large_image" />
+    <link rel="alternate" type="application/rss+xml" title="CTAO Science Portal News" href={new URL('/rss.xml', site)} />
+    <link rel="sitemap" href="/sitemap.xml" />
+    <link rel="icon" href="/brand/CTAO_Logo_positive.svg" type="image/svg+xml" />
+    <link rel="apple-touch-icon" href="/apple-touch-icon.png" />
+    <meta name="theme-color" content="#00004a" />
+    {/* The home hero photo is a CSS background, which browsers discover late —
+        preloading it moves the page's LCP element to the front of the queue. */}
+    {path === '/' && <link rel="preload" as="image" href="/brand/hero.jpg" fetchpriority="high" />}
+    {/* Brand typography (BRAND D.3): Inter (body) + Space Grotesk (headlines).
+        Both ship inlined as data: URIs in the render-blocking stylesheet —
+        no font request, no swap (see global.css @font-face). */}
+  </head>
+  <body class={ambient ? 'has-ambient' : undefined}>
+    <a class="skip" href="#main">Skip to content</a>
+    <header class="site-header">
+      <div class="container nav">
+        <a class="brand" href="/" aria-label="CTAO Science Portal, home">
+          <img src="/brand/AAFF_CTAO_Logo_RGB_Monochrome-negative.svg" alt="CTAO" />
+          <span class="brand-sub">Science&nbsp;Portal</span>
+        </a>
+        <nav aria-label="Main navigation">
+          {links.map((l) => l.ext ? (
+            <a class="navlink external" href={l.href} target="_blank" rel="noopener">{l.label}</a>
+          ) : (
+            <a class="navlink" href={l.href} aria-current={isActive(l.href) ? 'page' : undefined}>{l.label}</a>
+          ))}
+        </nav>
+        <span class="spacer"></span>
+        {/* Site search. Desktop ≥1025px: a VISIBLE quiet field — NN/g's
+            magnifying-glass-icon research: hiding search behind an icon
+            measurably reduces discoverability and usage; a visible input is
+            recommended when search matters (200+ articles, spec-required).
+            Plain GET form (works without JS); suggestions via search-client.js. */}
+        <form class="nav-search" role="search" aria-label="Site search" action="/search" method="get">
+          <label class="sr-only" for="hdr-q">Search news</label>
+          <svg class="ico search-ico" aria-hidden="true" viewBox="0 0 24 24"><circle cx="11" cy="11" r="7" /><path d="m20 20-4.3-4.3" /></svg>
+          <input id="hdr-q" name="q" type="search" placeholder="Search…" autocomplete="off" />
+          <ul class="suggest" id="hdr-suggest"></ul>
+          <p class="sr-only" id="hdr-suggest-status" role="status" aria-live="polite"></p>
+        </form>
+        {/* ≤1024px: the magnifier reveals a search row under the header (NN/g
+            mobile-search pattern). name="header-panel" pairs it with the menu as
+            a native exclusive group — opening one closes the other, no JS. */}
+        <details class="search-pop" name="header-panel">
+          <summary aria-label="Search">
+            <svg class="ico" aria-hidden="true" viewBox="0 0 24 24"><circle cx="11" cy="11" r="7" /><path d="m20 20-4.3-4.3" /></svg>
+          </summary>
+          <form role="search" aria-label="Site search" action="/search" method="get">
+            <label class="sr-only" for="pop-q">Search news</label>
+            <input id="pop-q" name="q" type="search" placeholder="Search news…" autocomplete="off" />
+            <button class="btn" type="submit">Search</button>
+            <ul class="suggest" id="pop-suggest"></ul>
+            <p class="sr-only" id="pop-suggest-status" role="status" aria-live="polite"></p>
+          </form>
+        </details>
+        <a class="login-mock" href="/login">Sign in</a>
+        {/* Mobile disclosure menu — native <details>/<summary>, no JS; desktop hides it via CSS */}
+        <details class="menu" name="header-panel">
+          <summary aria-label="Menu">
+            <svg class="ico" aria-hidden="true" viewBox="0 0 24 24"><path class="i-menu" d="M3 6h18M3 12h18M3 18h18" /><path class="i-close" d="M5 5l14 14M19 5 5 19" /></svg>
+            <span class="menu-label">Menu</span>
+          </summary>
+          <nav aria-label="Main navigation">
+            {links.map((l) => l.ext ? (
+              <a class="external" href={l.href} target="_blank" rel="noopener">{l.label}</a>
+            ) : (
+              <a href={l.href} aria-current={isActive(l.href) ? 'page' : undefined}>{l.label}</a>
+            ))}
+          </nav>
+        </details>
+      </div>
+    </header>
+    {/* Search enhancement is deferred — a synchronous script here would stall
+        the parser mid-body on every navigation (blank below the header until
+        it arrives). `defer` + the inline `type="module"` init join the same
+        after-parse in-order queue (HTML spec), so newsSearch is defined first.
+        The forms are plain GET /search, so nothing user-facing waits on JS. */}
+    <script is:inline src="/search-client.js" defer></script>
+    <script is:inline type="module">
+      // Header search suggestions (desktop field + mobile reveal); the forms
+      // are plain GET /search, so everything below is progressive enhancement.
+      newsSearch({ input: 'hdr-q', list: 'hdr-suggest', status: 'hdr-suggest-status', limit: 6, unit: 'suggestion', dismiss: true });
+      newsSearch({ input: 'pop-q', list: 'pop-suggest', status: 'pop-suggest-status', limit: 6, unit: 'suggestion', dismiss: true });
+      var pop = document.querySelector('.search-pop');
+      if (pop) pop.addEventListener('toggle', function () {
+        var q = document.getElementById('pop-q');
+        if (pop.open && q) q.focus();
+      });
+      // Light dismiss for the header panels (menu + search reveal) — scrim
+      // convention (Material/iOS, NN/g error prevention): a tap outside an
+      // open panel ONLY closes it and must never activate what's underneath.
+      // <details> has no native light dismiss; the Popover API was evaluated
+      // and rejected here — its light dismiss deliberately lets the outside
+      // click THROUGH (::backdrop is spec-forced pointer-events: none), the
+      // exact behavior research ruled out. Canceling pointerdown doesn't
+      // cancel the later click (Pointer Events spec), hence the click guard.
+      var swallow = false;
+      document.addEventListener('pointerdown', function (e) {
+        var open = document.querySelector('details[name="header-panel"][open]');
+        swallow = !!(open && !open.contains(e.target));
+        if (swallow) { open.open = false; e.preventDefault(); }
+      }, true);
+      document.addEventListener('click', function (e) {
+        if (swallow) { swallow = false; e.preventDefault(); e.stopPropagation(); }
+      }, true);
+      // Escape closes the open panel and returns focus to its trigger button
+      document.addEventListener('keydown', function (e) {
+        if (e.key !== 'Escape') return;
+        var open = document.querySelector('details[name="header-panel"][open]');
+        if (open) { open.open = false; open.querySelector('summary').focus(); }
+      });
+    </script>
+    <main id="main">
+      <slot />
+    </main>
+    <footer class="footer">
+      {/* Bottom menu required by SPEC §3.3.1: disclaimers, privacy, contact, settings, search.
+          Site settings has no target yet — placeholder link = <a> without href. */}
+      <div class="container">
+        <div class="foot-top">
+          <img src="/brand/AAFF_CTAO_Logo_RGB_Monochrome-negative.svg" alt="CTAO" />
+          <p>CTAO Science Portal demo by Cyfronet (SUSS-PORT team).</p>
+        </div>
+        {/* Order: action/utility first, legal middle, meta last (GOV.UK/NN-g
+            footer anatomy). Spec §3.3.1 requires the five items, not an order. */}
+        <nav class="foot-links" aria-label="Footer">
+          <a href="/pages/contact">Contact</a>
+          <a href="/search">Search</a>
+          <a href="/rss.xml">RSS</a>
+          <a href="/pages/disclaimer">Disclaimer</a>
+          <a href="/pages/privacy">Privacy</a>
+          <a>Site settings</a>
+          {/* Internal tooling stays out of the main nav (NN/g: navigation reflects
+              user tasks); the editor is a discreet utility link for the demo. */}
+          <a href="/admin/">Content editor</a>
+        </nav>
+        <div class="foot-note">
+          {/* The real brand flash — path taken from the official logo SVG (BRAND D.4).
+              Sole decorative accent in this view; static by design. */}
+          <svg class="flash" viewBox="85.3 15 15 15" aria-hidden="true"><path fill="currentColor" d="M94.7,23.8c1-1.4,3.3-2.1,5.2-2.7c-2,0.1-4.4,0.3-5.8-0.6c-1.4-1-2.1-3.3-2.7-5.2c0.1,2,0.3,4.4-0.6,5.8c-1,1.4-3.3,2.1-5.2,2.7c2-0.1,4.4-0.3,5.8,0.6c1.4,1,2.1,3.3,2.7,5.2C93.9,27.6,93.7,25.2,94.7,23.8z"/></svg>
+          <span>© 2026 CTAO. Demonstration, not an official service.</span>
+        </div>
+      </div>
+    </footer>
+  </body>
+</html>
@@ -0,0 +1,11 @@
+// Shared news helpers — single source for card metadata and archive chunking.
+export const fmt = (d) => new Intl.DateTimeFormat('en-GB', { dateStyle: 'long' }).format(d);
+export const iso = (d) => d.toISOString().slice(0, 10);
+// Reading time from the Markdown body (~220 wpm) — differentiating card metadata;
+// category/author are identical across all articles, so cards omit them (NN/g).
+export const readMin = (p) => Math.max(1, Math.round((p.body ?? '').split(/\s+/).length / 220));
+// Archive chunking: page 1 holds 25 items (1 featured lead + 24 grid = even
+// 3-column rows), later pages 24. Used by BOTH the /news/[...page] route and
+// sitemap.xml.js — the page counts cannot drift apart.
+export const PAGE_FIRST = 25;
+export const PAGE_REST = 24;
@@ -0,0 +1,24 @@
+---
+import Base from '../layouts/Base.astro';
+---
+<Base title="CTAO Science Portal - Page not found" description="This page does not exist">
+  {/* Document archetype: the document IS the page — h1, one line,
+      recovery links, and a real GET search form as the way forward. */}
+  <div class="container article-layout">
+    <article class="article">
+      <h1>Page not found</h1>
+      <div class="prose">
+        {/* Keep "the <a>" on one line: the compiler drops the whitespace at a
+            line break before a tag, which glued "the" to the link text. */}
+        <p>The address may be mistyped or the page may have moved.
+          Go to the <a href="/">home page</a> or browse <a href="/news">all news</a>.</p>
+      </div>
+      <form class="search-form" role="search" action="/search" method="get">
+        <label class="sr-only" for="nf-q">Search news</label>
+        <svg class="ico search-ico" aria-hidden="true" viewBox="0 0 24 24"><circle cx="11" cy="11" r="7" /><path d="m20 20-4.3-4.3" /></svg>
+        <input id="nf-q" name="q" type="search" placeholder="Search news…" autocomplete="off" />
+        <button class="btn" type="submit">Search</button>
+      </form>
+    </article>
+  </div>
+</Base>
@@ -0,0 +1,36 @@
+---
+// Editor entry point (/admin). Sveltia CMS loads its config from ./config.yml
+// (served statically from public/admin/config.yml). The bundle is vendored in
+// public/vendor/ so the editor CODE never auto-updates from a CDN (updates are
+// deliberate — see README); note the bundle still fetches its own UI fonts
+// from jsDelivr at runtime. Kept is:inline so Astro doesn't process/bundle it.
+// CTAO branding on the sign-in screen comes from the documented `logo` option.
+---
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title>CTAO Content Editor</title>
+    <meta name="theme-color" content="#00004A" />
+    <link rel="icon" href="/brand/CTAO_Logo_positive.svg" type="image/svg+xml" />
+    <style>
+      /* Wrapper-page styling only — never injected into the Sveltia app.
+         Galaxy-Blue backdrop makes the load-in feel intentional. */
+      body { margin: 0; background: #00004a; }
+      noscript p {
+        color: #fff; font-family: Inter, Arial, system-ui, sans-serif;
+        text-align: center; margin: 40vh 24px 0; line-height: 1.6;
+      }
+      noscript a { color: #00e4d8; }
+    </style>
+  </head>
+  <body>
+    <noscript><p>The CTAO content editor requires JavaScript.<br />Please enable it, or return to the <a href="/">Science Portal</a>.</p></noscript>
+    <script is:inline src="/vendor/sveltia-cms.js"></script>
+    <script is:inline>
+      // Officially supported API: article previews rendered with portal-like styles.
+      window.CMS?.registerPreviewStyle?.('/admin/preview.css');
+    </script>
+  </body>
+</html>
@@ -0,0 +1,30 @@
+---
+import Base from '../layouts/Base.astro';
+// Per SPEC §3.3.2 the dashboard aggregates proposal statuses, data products
+// and help-desk tickets. No integrations exist yet, so panels show empty
+// states instead of fabricated sample rows (source-documents-only rule).
+---
+<Base title="CTAO Science Portal - Dashboard" description="User dashboard (mock)">
+  <section class="band--moon">
+    <header class="container page-head">
+      <h1>Dashboard</h1>
+      <p class="standfirst">Your proposals, data products and support tickets in one place.</p>
+    </header>
+    <div class="container page">
+    <div class="dash-grid">
+      <div class="panel">
+        <h2 class="panel-title">My proposals</h2>
+        <p class="notice">Proposal statuses will appear here once the Proposal Handling System (APC team) is connected.</p>
+      </div>
+      <div class="panel">
+        <h2 class="panel-title">Recent data products</h2>
+        <p class="notice">Your data products will appear here. Search and download in the <a href="https://padc-ctao-data-explorer.obspm.fr/" target="_blank" rel="noopener" class="external">Data Explorer</a> (external, LUX team).</p>
+      </div>
+      <div class="panel">
+        <h2 class="panel-title">Support tickets</h2>
+        <p class="notice">Help-desk tickets will appear here once User Support is connected.</p>
+      </div>
+    </div>
+    </div>
+  </section>
+</Base>
@@ -0,0 +1,93 @@
+---
+import { getCollection } from 'astro:content';
+import Base from '../layouts/Base.astro';
+import NewsCard from '../components/NewsCard.astro';
+
+const posts = (await getCollection('news', ({ data }) => !data.draft))
+  .sort((a, b) => b.data.date.valueOf() - a.data.date.valueOf())
+  .slice(0, 3);
+// Services per the Science Portal spec (REQUIREMENTS §5). Tiles carry no
+// status chrome; the footer's demo note is the single mock disclosure.
+// Planned services stay in the grid but subdued (muted, no link) with
+// availability folded into the description text.
+// Tile icons: hand-drawn stroke glyphs in the header-icon family (.ico —
+// currentColor, round caps), aria-hidden. NN/g icon research: icons alone are
+// ambiguous, but NEXT TO an always-visible label they differentiate otherwise
+// uniform tiles and speed up grid scanning.
+const services = [
+  { title: 'Proposals', href: '/proposals', desc: 'Submit observation proposals, including ToO / MWL requests.',
+    icon: '<path d="M13.5 3H7a1 1 0 0 0-1 1v16a1 1 0 0 0 1 1h10a1 1 0 0 0 1-1V7.5z"/><path d="M13.5 3v4.5H18"/><path d="M9 12.5h6M9 16h4"/>' },
+  { title: 'Data Explorer', href: 'https://padc-ctao-data-explorer.obspm.fr/', ext: true, desc: 'Search and download CTAO science data products.',
+    icon: '<ellipse cx="12" cy="5.5" rx="7" ry="2.5"/><path d="M5 5.5V18c0 1.4 3.1 2.5 7 2.5s7-1.1 7-2.5V5.5"/><path d="M5 11.8c0 1.4 3.1 2.5 7 2.5s7-1.1 7-2.5"/>' },
+  { title: 'Dashboard', href: '/dashboard', desc: 'Your proposals, data products and support tickets in one place.',
+    icon: '<rect x="4" y="4" width="7" height="7" rx="1.5"/><rect x="13" y="4" width="7" height="7" rx="1.5"/><rect x="4" y="13" width="7" height="7" rx="1.5"/><rect x="13" y="13" width="7" height="7" rx="1.5"/>' },
+  { title: 'User Support', href: '/support', desc: 'Help desk, FAQ, user forum and mailing lists.',
+    icon: '<circle cx="12" cy="12" r="9"/><circle cx="12" cy="12" r="4"/><path d="m5.7 5.7 3.5 3.5m5.6 0 3.5-3.5m0 12.6-3.5-3.5m-5.6 0-3.5 3.5"/>' },
+  // Two subdued planned tiles complete the 2×3 grid (an orphan 4th tile in a
+  // 3-col grid reads broken); the remaining TBD services stay on the quiet line.
+  { title: 'Software', planned: true, desc: 'Landing page for CTAO software (planned).',
+    icon: '<rect x="3" y="4.5" width="18" height="15" rx="2"/><path d="m7 9.5 3 2.5-3 2.5M12.5 15H17"/>' },
+  { title: 'Documentation', planned: true, desc: 'CTAO user documentation (planned).',
+    icon: '<path d="M12 6.7C10.6 5.2 8.6 4.5 5.7 4.5H4v13.6h1.7c2.9 0 4.9.7 6.3 2.2 1.4-1.5 3.4-2.2 6.3-2.2H20V4.5h-1.7c-2.9 0-4.9.7-6.3 2.2z"/><path d="M12 6.7v13.6"/>' },
+];
+const planned = ['Scheduling', 'Science alerts'];
+---
+<Base title="CTAO Science Portal" description="News, observation proposals, data and user services of the Cherenkov Telescope Array Observatory" ambient>
+  {/* Photographic hero: LST-1 under the La Palma night sky (copied from the
+      content library to /brand/hero.jpg) beneath the Galaxy scrim — text
+      contrast computed worst-case at design time. Three elements only:
+      headline, brand subtitle, CTA pair (Apple hero restraint). */}
+  <section class="hero-band">
+    <div class="band-bg" aria-hidden="true"></div>
+    <div class="container hero">
+      <div class="eyebrow">Cherenkov Telescope Array Observatory</div>
+      <h1>CTAO Science Portal</h1>
+      <p>Exploring the Universe at the Highest Energies</p>
+      {/* Hero actions = the two REAL things a logged-out visitor can do today:
+          news (SPEC §3.1 lists general information/announcements FIRST; §3.3.1
+          "displays the main information"; calls for proposals arrive VIA news)
+          and the external Data Explorer. Proposals stays in nav + tiles — a
+          mock doesn't earn hero billing. Search lives in the header. */}
+      <div class="hero-cta">
+        <a class="btn" href="/news">Browse news &amp; announcements</a>
+        <a class="btn btn--ghost external" href="https://padc-ctao-data-explorer.obspm.fr/" target="_blank" rel="noopener">Explore the data</a>
+      </div>
+    </div>
+  </section>
+
+  {/* Section order is task-first: Services directly under the hero, news after.
+      NN/g homepage principles — the homepage must give clear starting points
+      for the user's top tasks; for scientists that is proposals/data/support,
+      not reading news. Freshness is still signalled above the fold by the
+      one-line hero teaser, so the 3-card news section can sit below.
+      Surface rhythm: services on Moon Gray, editorial news on white. */}
+  <section class="band--moon">
+    <div class="container page">
+      <div class="section-head"><h2>Services</h2></div>
+      <div class="grid">
+        {services.map((s) => (
+          <article class={s.planned ? 'card tile tile--planned' : 'card tile'}>
+            <svg class="ico" aria-hidden="true" viewBox="0 0 24 24" set:html={s.icon} />
+            <h3>{s.planned
+              ? s.title
+              : (s.ext
+                  ? <a class="external" href={s.href} target="_blank" rel="noopener">{s.title}</a>
+                  : <a href={s.href}>{s.title}</a>)}</h3>
+            <p class="desc">{s.desc}</p>
+          </article>
+        ))}
+      </div>
+      <p class="planned-note">Planned services: {planned.join(' · ')}</p>
+    </div>
+  </section>
+
+  <section class="container page">
+    <div class="section-head">
+      <h2>Latest news</h2>
+      <a class="more" href="/news">All news →</a>
+    </div>
+    <div class="grid">
+      {posts.map((post) => <NewsCard post={post} />)}
+    </div>
+  </section>
+</Base>
@@ -0,0 +1,16 @@
+---
+import Base from '../layouts/Base.astro';
+---
+<Base title="CTAO Science Portal - Sign in" description="Sign in via CTAO AAI (mock)">
+  <section class="auth-band">
+    <div class="band-bg" aria-hidden="true"></div>
+    <div class="auth-card">
+      <img class="auth-logo" src="/brand/CTAO_Logo_positive.svg" alt="CTAO" />
+      <h1>Sign in</h1>
+      {/* Auth pages are scanned, not read — one line, no reassurance prose */}
+      <p class="muted">Use your CTAO account (single sign-on via CTAO AAI).</p>
+      <button class="btn btn-wide" type="button">Continue with your CTAO account</button>
+      <p class="notice">No account? <a>Register via CTAO AAI</a></p>
+    </div>
+  </section>
+</Base>
@@ -0,0 +1,83 @@
+---
+import { getCollection } from 'astro:content';
+import Base from '../../layouts/Base.astro';
+import NewsCard from '../../components/NewsCard.astro';
+import { PAGE_FIRST as FIRST, PAGE_REST as REST } from '../../lib/news.js';
+
+// Paginated archive; the [...page] rest route makes page 1 the bare /news URL,
+// then /news/2 … /news/N. Custom slicing instead of paginate(): page 1 holds
+// FIRST items (1 featured lead + 24 grid = even 3-column rows), later pages
+// REST — paginate() cannot vary page size. Chunk sizes live in lib/news.js,
+// shared with sitemap.xml.js.
+export async function getStaticPaths() {
+  const posts = (await getCollection('news', ({ data }) => !data.draft)).sort(
+    (a, b) => b.data.date.valueOf() - a.data.date.valueOf(),
+  );
+  const chunks = [posts.slice(0, FIRST)];
+  for (let i = FIRST; i < posts.length; i += REST) chunks.push(posts.slice(i, i + REST));
+  const lastPage = chunks.length;
+  const hrefOf = (n: number) => (n === 1 ? '/news' : `/news/${n}`);
+  return chunks.map((data, i) => {
+    const n = i + 1;
+    return {
+      params: { page: n === 1 ? undefined : String(n) },
+      props: { page: {
+        data,
+        currentPage: n,
+        lastPage,
+        url: {
+          prev: n > 1 ? hrefOf(n - 1) : undefined,
+          next: n < lastPage ? hrefOf(n + 1) : undefined,
+        },
+      } },
+    };
+  });
+}
+
+const { page } = Astro.props;
+const first = page.currentPage === 1;
+// Windowed page list — 1 … n-1 n n+1 … last (0 marks an ellipsis)
+const nums = [];
+for (let n = 1; n <= page.lastPage; n++) {
+  if (n === 1 || n === page.lastPage || Math.abs(n - page.currentPage) <= 1) nums.push(n);
+  else if (nums.at(-1) !== 0) nums.push(0);
+}
+const hrefFor = (n: number) => (n === 1 ? '/news' : `/news/${n}`);
+---
+<Base
+  title={first ? 'CTAO Science Portal - News' : `CTAO Science Portal - News, page ${page.currentPage}`}
+  description={first ? 'News and announcements of the CTAO' : `News and announcements of the CTAO, page ${page.currentPage} of ${page.lastPage}`}
+>
+  {/* Section-landing archetype: white head, display Galaxy h1 + standfirst
+      (the navy band is reserved for / and /login). */}
+  <header class="container page-head">
+    <h1>News &amp; Announcements</h1>
+    <p class="standfirst">Science highlights and updates from the observatory and its partners.</p>
+  </header>
+
+  <section class="container page">
+    <h2 class="sr-only">{first ? 'All news' : `All news, page ${page.currentPage}`}</h2>
+    <div class="grid">
+      {page.data.map((post, i) => <NewsCard post={post} featured={first && i === 0} />)}
+    </div>
+    {page.lastPage > 1 && (
+      <nav class="pagination" aria-label="News pages">
+        {page.url.prev
+          ? <a class="page-link page-step" href={page.url.prev} rel="prev">← Newer</a>
+          : <span class="page-link page-step" aria-hidden="true">← Newer</span>}
+        <ol>
+          {nums.map((n) => (
+            <li>
+              {n === 0
+                ? <span class="page-gap" aria-hidden="true">…</span>
+                : <a class="page-link" href={hrefFor(n)} aria-current={n === page.currentPage ? 'page' : undefined}><span class="sr-only">Page </span>{n}</a>}
+            </li>
+          ))}
+        </ol>
+        {page.url.next
+          ? <a class="page-link page-step" href={page.url.next} rel="next">Older →</a>
+          : <span class="page-link page-step" aria-hidden="true">Older →</span>}
+      </nav>
+    )}
+  </section>
+</Base>
@@ -0,0 +1,144 @@
+---
+import { getCollection, render } from 'astro:content';
+import Base from '../../layouts/Base.astro';
+import { fmt, readMin as readMinOf } from '../../lib/news.js';
+
+export async function getStaticPaths() {
+  // Date-sorted so each article knows its sequential neighbours (prev/next
+  // pattern of every editorial site — keeps readers in the content flow).
+  const posts = (await getCollection('news', ({ data }) => !data.draft)).sort(
+    (a, b) => b.data.date.valueOf() - a.data.date.valueOf(),
+  );
+  return posts.map((post, i) => ({
+    params: { slug: post.id },
+    props: { post, newer: posts[i - 1] ?? null, older: posts[i + 1] ?? null },
+  }));
+}
+
+const { post, newer, older } = Astro.props;
+const { Content, headings } = await render(post);
+const toc = headings.filter((h) => h.depth === 2 || h.depth === 3);
+const readMin = readMinOf(post);
+---
+<Base title={`${post.data.title} - CTAO`} description={post.data.description} type="article" image={post.data.cover && encodeURI(post.data.cover)}>
+  {/* Reading progress (scroll-driven CSS, no JS) — styled only where
+      animation-timeline is supported; elsewhere it stays an empty div. */}
+  <div class="read-progress" aria-hidden="true"></div>
+  {/* TOC pattern (MDN/Stripe/NN-g): sticky right rail ≥1200px, collapsed <details>
+      under the title below that. CSS shows exactly one of the two. */}
+  {/* lang sits on the article, not <html>: the chrome (nav/footer) stays
+      English for screen readers even when the article body is not. */}
+  <div class="container article-layout">
+    <article class="article" lang={post.data.lang}>
+      <a class="back" href="/news">← All news</a>
+      {/* Editorial anatomy (Guardian/BBC/Reuters convention): headline →
+          standfirst → byline/meta → lead image → body. The standfirst is the
+          description made visible — cards already show it, the article should too. */}
+      <h1>{post.data.title}</h1>
+      <p class="standfirst">{post.data.description}</p>
+      {/* Meta — one quiet muted line: category · author · date · reading time */}
+      <div class="meta">
+        <span class="cat"><svg class="ico" aria-hidden="true" viewBox="0 0 24 24"><path d="M20 13.2 13.2 20a2 2 0 0 1-2.9 0L4 13.7V4h9.7l6.3 6.3a2 2 0 0 1 0 2.9Z" stroke-linejoin="round" /><circle cx="8.5" cy="8.5" r="1" /></svg>{post.data.category}</span>·
+        <span><svg class="ico" aria-hidden="true" viewBox="0 0 24 24"><circle cx="12" cy="8" r="4" /><path d="M4.5 20c1.6-3.8 4.6-5.5 7.5-5.5s5.9 1.7 7.5 5.5" /></svg>{post.data.author}</span>·
+        <time datetime={post.data.date.toISOString().slice(0, 10)}><svg class="ico" aria-hidden="true" viewBox="0 0 24 24"><rect x="4" y="5" width="16" height="16" rx="2" /><path d="M4 10h16M8 3v4M16 3v4" /></svg>{fmt(post.data.date)}</time>·
+        <span><svg class="ico" aria-hidden="true" viewBox="0 0 24 24"><circle cx="12" cy="12" r="9" /><path d="M12 7v5l3 2" /></svg>{readMin} min read</span>
+      </div>
+      {post.data.cover && <img class="cover" src={encodeURI(post.data.cover)} alt="" />}
+      {/* TOC sits between lead image and body (Wikipedia/GOV.UK contents
+          position): the press head above stays unbroken, and the list is
+          adjacent to the content it indexes. */}
+      {toc.length >= 3 && (
+        <details class="toc toc--inline">
+          <summary>On this page <svg class="ico" aria-hidden="true" viewBox="0 0 24 24"><path d="m5 9 7 7 7-7" /></svg></summary>
+          <ol>
+            {toc.map((h) => (
+              <li class={h.depth === 3 ? 'd3' : undefined}><a href={`#${h.slug}`}>{h.text}</a></li>
+            ))}
+          </ol>
+        </details>
+      )}
+      <div class="prose">
+        <Content />
+      </div>
+      {(newer || older) && (
+        <nav class="post-nav" aria-label="More news">
+          {newer && (
+            <a class="post-nav-prev" rel="prev" href={`/news/${newer.id}`}>
+              <small>← Newer</small>
+              <span class="post-nav-title">{newer.data.title}</span>
+            </a>
+          )}
+          {older && (
+            <a class="post-nav-next" rel="next" href={`/news/${older.id}`}>
+              <small>Older →</small>
+              <span class="post-nav-title">{older.data.title}</span>
+            </a>
+          )}
+        </nav>
+      )}
+    </article>
+    {toc.length >= 3 && (
+      <nav class="toc toc--rail" aria-label="On this page">
+        <strong>On this page</strong>
+        <ol>
+          {toc.map((h) => (
+            <li class={h.depth === 3 ? 'd3' : undefined}><a href={`#${h.slug}`}>{h.text}</a></li>
+          ))}
+        </ol>
+      </nav>
+    )}
+  </div>
+</Base>
+
+<script>
+  // TOC scrollspy — minimal vanilla take on Starlight's starlight-toc.ts:
+  // an IntersectionObserver band near the viewport top; whichever prose block
+  // enters it is mapped back to its governing h2/h3, whose TOC link(s) get
+  // aria-current="true" (set in BOTH renderings — inline <details> and rail).
+  // Progressive enhancement: without JS the TOC is plain working anchors.
+  const links = [...document.querySelectorAll<HTMLAnchorElement>('.toc a[href^="#"]')];
+  if (links.length) {
+    let current: HTMLAnchorElement[] = [];
+    const setCurrent = (id: string | null) => {
+      const next = id ? links.filter((a) => decodeURIComponent(a.hash.slice(1)) === id) : [];
+      if (next[0] === current[0]) return;
+      for (const a of current) a.removeAttribute('aria-current');
+      for (const a of next) a.setAttribute('aria-current', 'true');
+      current = next;
+    };
+    const blocks = [...document.querySelectorAll('.prose > *')];
+    // Governing heading = the block itself or the nearest h2/h3[id] above it
+    const headingFor = (el: Element) => {
+      for (let i = blocks.indexOf(el); i >= 0; i--) {
+        if (blocks[i].matches('h2[id], h3[id]')) return blocks[i].id;
+      }
+      return null; // intro before the first heading — nothing highlighted
+    };
+    const onIntersect = (entries: IntersectionObserverEntry[]) => {
+      for (const e of entries) {
+        if (e.isIntersecting) { setCurrent(headingFor(e.target)); break; }
+      }
+    };
+    let observer: IntersectionObserver | undefined;
+    const observe = () => {
+      observer?.disconnect();
+      // Narrow band below the sticky header (--header-h 56px + 12px slack;
+      // JS can't read the token cheaply, keep in sync) — Starlight's rootMargin trick
+      const top = 68, band = 64;
+      const io = new IntersectionObserver(onIntersect, {
+        rootMargin: `-${top}px 0px ${top + band - document.documentElement.clientHeight}px`,
+      });
+      observer = io;
+      blocks.forEach((b) => io.observe(b));
+    };
+    observe();
+    let timer: ReturnType<typeof setTimeout> | undefined;
+    addEventListener('resize', () => { clearTimeout(timer); timer = setTimeout(observe, 200); });
+    // Short final section: at page bottom, the last heading wins
+    addEventListener('scroll', () => {
+      if (innerHeight + scrollY >= document.documentElement.scrollHeight - 4) {
+        setCurrent(headingFor(blocks[blocks.length - 1]));
+      }
+    }, { passive: true });
+  }
+</script>
@@ -0,0 +1,27 @@
+---
+import { getCollection, render } from 'astro:content';
+import Base from '../../layouts/Base.astro';
+
+export async function getStaticPaths() {
+  const pages = await getCollection('pages');
+  return pages.map((page) => ({ params: { slug: page.id }, props: { page } }));
+}
+
+const { page } = Astro.props;
+const { Content } = await render(page);
+---
+<Base title={`${page.data.title} - CTAO Science Portal`} description={page.data.description}>
+  {/* Same wrapper pattern as news/[slug] (never .container and .article on
+      one element — both set max-width and would depend on rule order). */}
+  <div class="container article-layout">
+    <article class="article">
+      {/* Static pages are footer-reached documents; same back affordance as
+          articles ("← All news") so deep links aren't dead ends. */}
+      <a class="back" href="/">← Home</a>
+      <h1>{page.data.title}</h1>
+      <div class="prose">
+        <Content />
+      </div>
+    </article>
+  </div>
+</Base>
@@ -0,0 +1,28 @@
+---
+import Base from '../layouts/Base.astro';
+---
+<Base title="CTAO Science Portal - Proposals" description="Observation proposals: Proposal Handling System integration (planned)">
+  <section class="band--moon">
+    <header class="container page-head">
+      <h1>Observation proposals</h1>
+      <p class="standfirst">Submit observation proposals, including ToO and MWL requests.</p>
+    </header>
+    <div class="container page">
+    {/* Integration landing, not a form: the PHS is APC's product — the spec
+        (§3.3.3) scopes this portal to integrating it, so we describe the
+        hand-off instead of imitating their submission UI. */}
+    <div class="panel panel--narrow">
+      <h2 class="panel-title">Proposal Handling System</h2>
+      <p>Submitting observation proposals, including Target of Opportunity (ToO)
+        and multi-wavelength (MWL) requests, happens in the Proposal Handling
+        System. That system is built by the APC team and integrated into this portal.</p>
+      <p>What the portal contributes:</p>
+      <ul class="panel-list">
+        <li>This menu entry, with a single sign-on hand-off (CTAO AAI).</li>
+        <li>Proposal status feedback in your <a href="/dashboard">Dashboard</a>.</li>
+      </ul>
+      <button class="btn" type="button" disabled>Open the Proposal Handling System (integration planned)</button>
+    </div>
+    </div>
+  </section>
+</Base>
@@ -0,0 +1,43 @@
+// RSS 2.0 feed — hand-rolled static endpoint like search.json.js (no @astrojs/rss
+// dependency; the spec is 20 lines of XML). Newest 30 items, absolute URLs from
+// the configured `site`.
+import { getCollection } from 'astro:content';
+
+const esc = (s = '') =>
+  s.replace(/[<>&'"]/g, (c) => ({ '<': '&lt;', '>': '&gt;', '&': '&amp;', "'": '&apos;', '"': '&quot;' })[c]);
+
+export async function GET(context) {
+  const site = context.site; // always set in astro.config.mjs
+  const posts = (await getCollection('news', ({ data }) => !data.draft))
+    .sort((a, b) => b.data.date.valueOf() - a.data.date.valueOf())
+    .slice(0, 30);
+
+  const items = posts
+    .map((p) => {
+      const url = new URL(`/news/${p.id}`, site).href;
+      return `    <item>
+      <title>${esc(p.data.title)}</title>
+      <link>${url}</link>
+      <guid isPermaLink="true">${url}</guid>
+      <pubDate>${p.data.date.toUTCString()}</pubDate>
+      <description>${esc(p.data.description)}</description>
+      <category>${esc(p.data.category)}</category>
+    </item>`;
+    })
+    .join('\n');
+
+  const xml = `<?xml version="1.0" encoding="UTF-8"?>
+<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
+  <channel>
+    <title>CTAO Science Portal News</title>
+    <link>${new URL('/news', site).href}</link>
+    <description>News and announcements of the Cherenkov Telescope Array Observatory</description>
+    <language>en</language>
+    <lastBuildDate>${(posts[0]?.data.date ?? new Date()).toUTCString()}</lastBuildDate>
+    <atom:link href="${new URL('/rss.xml', site).href}" rel="self" type="application/rss+xml"/>
+${items}
+  </channel>
+</rss>
+`;
+  return new Response(xml, { headers: { 'Content-Type': 'application/rss+xml; charset=utf-8' } });
+}
@@ -0,0 +1,36 @@
+---
+import Base from '../layouts/Base.astro';
+---
+<Base title="CTAO Science Portal - Search" description="Search CTAO news and announcements">
+  {/* Utility archetype: ONE surface per page — Moon canvas from the landing
+      head down (borderless cards/panels pop against it); editorial pages stay
+      all-white. No mid-page surface seams. */}
+  <section class="band--moon">
+    <header class="container page-head">
+      <h1>Search</h1>
+      <p class="standfirst">Find news and announcements.</p>
+    </header>
+    <div class="container page">
+    <form class="search-form" role="search" action="/search" method="get">
+      <label class="sr-only" for="q">Search news</label>
+      <svg class="ico search-ico" aria-hidden="true" viewBox="0 0 24 24"><circle cx="11" cy="11" r="7" /><path d="m20 20-4.3-4.3" /></svg>
+      <input id="q" name="q" type="search" placeholder="e.g. LST camera, Council, data…" autocomplete="off" />
+      <button class="btn" type="submit">Search</button>
+    </form>
+    <p class="notice" id="search-status" role="status" aria-live="polite">Type to search the news archive.</p>
+    <ol class="search-results" id="search-results"></ol>
+    <noscript><p class="notice">Search requires JavaScript. Browse all news on the <a href="/news">news page</a>.</p></noscript>
+    </div>
+  </section>
+</Base>
+
+{/* search-client.js is loaded once (deferred) by the Base layout; this inline
+    module runs after it in the shared after-parse queue — order guaranteed. */}
+<script is:inline type="module">
+  const run = newsSearch({ input: 'q', list: 'search-results', status: 'search-status', limit: 20, hint: 'Type at least 2 characters.' });
+  // Support /search?q=… deep links (hero search form, footer, bookmarks)
+  const q0 = new URLSearchParams(location.search).get('q');
+  const q = document.getElementById('q');
+  if (q0) { q.value = q0; run(); }
+  q.focus();
+</script>
@@ -0,0 +1,19 @@
+// Build-time search index (Astro static endpoint — no server, no dependencies).
+// Kept lean: title/description/category/date/slug only (~60 KB for 200+ articles).
+import { getCollection } from 'astro:content';
+
+export async function GET() {
+  const posts = await getCollection('news', ({ data }) => !data.draft);
+  const index = posts
+    .sort((a, b) => b.data.date.valueOf() - a.data.date.valueOf())
+    .map((p) => ({
+      slug: p.id,
+      title: p.data.title,
+      description: p.data.description,
+      category: p.data.category,
+      date: p.data.date.toISOString().slice(0, 10),
+    }));
+  return new Response(JSON.stringify(index), {
+    headers: { 'Content-Type': 'application/json; charset=utf-8' },
+  });
+}
@@ -0,0 +1,40 @@
+// Sitemap — hand-rolled static endpoint (no @astrojs/sitemap dependency; our URL
+// set is fully known at build time). /admin is intentionally excluded.
+import { getCollection } from 'astro:content';
+import { PAGE_FIRST, PAGE_REST } from '../lib/news.js';
+
+// Chunk sizes are imported from lib/news.js — the same values the
+// /news/[...page] route slices with, so the page count here cannot drift.
+const newsPageCount = (n) => (n <= PAGE_FIRST ? 1 : 1 + Math.ceil((n - PAGE_FIRST) / PAGE_REST));
+
+export async function GET(context) {
+  const site = context.site; // always set in astro.config.mjs
+  const news = (await getCollection('news', ({ data }) => !data.draft))
+    .sort((a, b) => b.data.date.valueOf() - a.data.date.valueOf());
+  const pages = await getCollection('pages');
+
+  // Static pages come from the actual route files, so a new src/pages/*.astro
+  // can never be forgotten here. 404 is excluded; /admin (subdirectory) is
+  // intentionally unlisted. Go-live note: /login and /dashboard are mock
+  // pages — filter them out before robots.txt stops disallowing everything.
+  const staticPages = Object.keys(import.meta.glob('./*.astro'))
+    .map((p) => p.slice(1, -'.astro'.length))
+    .filter((p) => p !== '/404')
+    .map((p) => (p === '/index' ? '/' : p))
+    .sort();
+  const urls = [
+    ...staticPages, '/news',
+    ...Array.from({ length: newsPageCount(news.length) - 1 }, (_, i) => `/news/${i + 2}`),
+    ...pages.map((p) => `/pages/${p.id}`),
+  ].map((path) => `  <url><loc>${new URL(path, site).href}</loc></url>`);
+  const articles = news.map(
+    (p) => `  <url><loc>${new URL(`/news/${p.id}`, site).href}</loc><lastmod>${p.data.date.toISOString().slice(0, 10)}</lastmod></url>`,
+  );
+
+  const xml = `<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+${[...urls, ...articles].join('\n')}
+</urlset>
+`;
+  return new Response(xml, { headers: { 'Content-Type': 'application/xml; charset=utf-8' } });
+}
@@ -0,0 +1,29 @@
+---
+import Base from '../layouts/Base.astro';
+// User support channels per the Science Portal spec — all mock for now.
+const channels = [
+  { title: 'Help desk', desc: 'Submit and track support tickets.' },
+  { title: 'FAQ & troubleshooting', desc: 'Common questions and step-by-step guides.' },
+  { title: 'User forum', desc: 'Discuss with the CTAO user community.' },
+  { title: 'Mailing lists', desc: 'Announcements and topical mailing lists.' },
+];
+---
+<Base title="CTAO Science Portal - Support" description="User support: help desk, FAQ, forum, mailing lists (mock)">
+  <section class="band--moon">
+    <header class="container page-head">
+      <h1>User Support</h1>
+      <p class="standfirst">Help desk, FAQ, user forum and mailing lists.</p>
+    </header>
+    <div class="container page">
+      <h2 class="sr-only">Support channels</h2>
+      <div class="grid">
+        {channels.map((c) => (
+          <article class="card tile">
+            <h3>{c.title}</h3>
+            <p class="desc">{c.desc}</p>
+          </article>
+        ))}
+      </div>
+    </div>
+  </section>
+</Base>
@@ -0,0 +1,5 @@
+{
+  "extends": "astro/tsconfigs/strict",
+  "include": [".astro/types.d.ts", "**/*"],
+  "exclude": ["dist", "public"]
+}