diff --git a/.githooks/pre-commit b/.githooks/pre-commit
index 79a83443..266a5e91 100755
--- a/.githooks/pre-commit
+++ b/.githooks/pre-commit
@@ -15,7 +15,7 @@ cd "$repo_root"
 # Keep the per-check "n. ... / ok: ..." rundown quiet on a passing commit; show
 # it only when something actually failed, so it's there to diagnose but doesn't
 # scroll past on every commit.
-if output=$(bash advanced/tests/check_consistency.sh 2>&1); then
+if output=$(bash beyond/tests/check_consistency.sh 2>&1); then
     status=0
 else
     status=$?
diff --git a/.github/workflows/build_beginner_slides.yml b/.github/workflows/build_beginner_slides.yml
index 108449ce..49838b91 100644
--- a/.github/workflows/build_beginner_slides.yml
+++ b/.github/workflows/build_beginner_slides.yml
@@ -49,7 +49,7 @@ jobs:
             # so fork PRs don't need a fresh manual approval after every auto-push.
             git commit -m "Update beginner slides PDF [skip ci]"
 
-            # The sibling advanced-slides workflow can push to this same branch at
+            # The sibling beyond-slides workflow can push to this same branch at
             # the same time (both trigger on shared slides_theme/** changes), so
             # retry with a rebase if another push landed first.
             for attempt in 1 2 3 4 5; do
diff --git a/.github/workflows/build_advanced_slides.yml b/.github/workflows/build_beyond_slides.yml
similarity index 81%
rename from .github/workflows/build_advanced_slides.yml
rename to .github/workflows/build_beyond_slides.yml
index b79b3096..e4d38ec1 100644
--- a/.github/workflows/build_advanced_slides.yml
+++ b/.github/workflows/build_beyond_slides.yml
@@ -3,10 +3,10 @@ name: Build Marp Slides PDF
 on:
   pull_request:
     paths:
-      - "advanced/slides/**"
+      - "beyond/slides/**"
       - "slides_theme/**"
-      - ".github/workflows/build_advanced_slides.yml"
-      - "!advanced/slides/slides_advanced.pdf"
+      - ".github/workflows/build_beyond_slides.yml"
+      - "!beyond/slides/slides_beyond.pdf"
 
   workflow_dispatch:
 
@@ -14,7 +14,7 @@ permissions:
   contents: write
 
 concurrency:
-  group: build-advanced-slides-${{ github.ref }}
+  group: build-beyond-slides-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
@@ -34,20 +34,20 @@ jobs:
 
       - name: Build diagrams and PDF
         # Same script authors run locally, so the committed PDF cannot drift.
-        run: ./advanced/slides/build.sh
+        run: ./beyond/slides/build.sh
 
       - name: Commit updated diagrams and PDF to PR branch
         run: |
           git config user.name "GitHub Action"
           git config user.email "action@github.com"
 
-          git add advanced/slides/images advanced/slides/slides_advanced.pdf
+          git add beyond/slides/images beyond/slides/slides_beyond.pdf
           if git diff --cached --quiet; then
             echo "Diagrams and PDF are already up to date."
           else
             # [skip ci] stops GitHub from queuing new workflow runs for this commit,
             # so fork PRs don't need a fresh manual approval after every auto-push.
-            git commit -m "Update advanced slides diagrams and PDF [skip ci]"
+            git commit -m "Update beyond slides diagrams and PDF [skip ci]"
 
             # The sibling beginner-slides workflow can push to this same branch at
             # the same time (both trigger on shared slides_theme/** changes), so
diff --git a/.github/workflows/content_consistency.yml b/.github/workflows/content_consistency.yml
index 620d3418..a85ceb6a 100644
--- a/.github/workflows/content_consistency.yml
+++ b/.github/workflows/content_consistency.yml
@@ -7,7 +7,7 @@ name: Content consistency
 on:
   pull_request:
     paths:
-      - "advanced/**"
+      - "beyond/**"
       - "beginner/**"
       - ".github/workflows/content_consistency.yml"
 
@@ -20,4 +20,4 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Check that slides, exercises and diagrams agree
-        run: bash advanced/tests/check_consistency.sh
+        run: bash beyond/tests/check_consistency.sh
diff --git a/.github/workflows/publish_pages.yml b/.github/workflows/publish_pages.yml
index 353f120d..a507b176 100644
--- a/.github/workflows/publish_pages.yml
+++ b/.github/workflows/publish_pages.yml
@@ -5,7 +5,7 @@ on:
     branches:
       - main
     paths:
-      - "advanced/slides/**"
+      - "beyond/slides/**"
       - "beginner/slides/**"
       - "slides_theme/**"
       - "pages/**"
@@ -40,7 +40,7 @@ jobs:
         # Same scripts authors run locally, so the published site cannot drift.
         run: |
           ./beginner/slides/build.sh
-          ./advanced/slides/build.sh
+          ./beyond/slides/build.sh
 
       - name: Assemble site
         # The theme stylesheets reference the C2SM logo and the title background as
@@ -48,16 +48,16 @@ jobs:
         # the site mirrors the repository layout, so keep the <course>/slides/ depth
         # and ship slides_theme/images alongside.
         run: |
-          mkdir -p _site/slides_theme _site/advanced _site/beginner
+          mkdir -p _site/slides_theme _site/beyond _site/beginner
 
           cp pages/index.html _site/index.html
           cp -r slides_theme/images _site/slides_theme/
 
-          cp -r advanced/slides _site/advanced/
+          cp -r beyond/slides _site/beyond/
           cp -r beginner/slides _site/beginner/
 
           # Serve each deck at <course>/slides/ instead of a long file name.
-          mv _site/advanced/slides/slides_advanced.html _site/advanced/slides/index.html
+          mv _site/beyond/slides/slides_beyond.html _site/beyond/slides/index.html
           mv _site/beginner/slides/slides_beginner.html _site/beginner/slides/index.html
 
           # Sources and build inputs have no business on the published site.
diff --git a/.github/workflows/test_helpers.yml b/.github/workflows/test_helpers.yml
index 1bfb2ca7..c82a164d 100644
--- a/.github/workflows/test_helpers.yml
+++ b/.github/workflows/test_helpers.yml
@@ -8,9 +8,9 @@ name: Test helper functions
 on:
   pull_request:
     paths:
-      - "advanced/helpers.sh"
-      - "advanced/examples/**"
-      - "advanced/tests/**"
+      - "beyond/helpers.sh"
+      - "beyond/examples/**"
+      - "beyond/tests/**"
       - "beginner/helpers.sh"
       - "beginner/examples/**"
       - "beginner/tests/**"
@@ -49,8 +49,8 @@ jobs:
           git config --global user.email "action@github.com"
           git config --global init.defaultBranch main
 
-      - name: Test the advanced helpers
-        run: bash git-course/advanced/tests/test_helpers.sh
+      - name: Test the beyond helpers
+        run: bash git-course/beyond/tests/test_helpers.sh
 
       - name: Test the beginner helpers
         run: bash git-course/beginner/tests/test_helpers.sh
diff --git a/.gitignore b/.gitignore
index 74df64c6..0e853b11 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,6 @@ git-course_env/
 check_requirements.log
 
 # HTML decks are built on demand by build.sh and published from CI, not committed.
-advanced/slides/slides_advanced.html
+beyond/slides/slides_beyond.html
 beginner/slides/slides_beginner.html
 _site/
diff --git a/Expert_Topics.md b/Expert_Topics.md
index 79b2bb9f..5d701d8b 100644
--- a/Expert_Topics.md
+++ b/Expert_Topics.md
@@ -11,7 +11,7 @@ tutorial - none of it is needed for the two existing courses.
 - **[Git: The Basics](beginner)** - `init`, `add`, `commit`, `status`, `log`, branches,
   `switch`, `restore`, merging and merge conflicts, `.gitignore`, remotes, `push`, `pull`,
   `fetch`, and a first pull request.
-- **[Git: Beyond the Basics](advanced)** - `log`/`blame`/`diff`/`show` in depth, submodules,
+- **[Git: Beyond the Basics](beyond)** - `log`/`blame`/`diff`/`show` in depth, submodules,
   `.gitignore` in depth, `cherry-pick`, `rebase`, `stash`, `worktree`, hooks, `git lfs`, and the
   issue → fork → pull request → review workflow.
 
@@ -59,7 +59,7 @@ Understanding what Git actually stores turns most of its odd behavior into commo
 
 - **`git bisect`** - binary search through history to find the commit that broke something.
   Manual (`git bisect start` / `good` / `bad`) and automated (`git bisect run <script>`, where the
-  script exits 0 for good, 1-127 for bad, and 125 to skip). This used to be in the advanced course
+  script exits 0 for good, 1-127 for bad, and 125 to skip). This used to be in the beyond course
   and is a strong candidate for a third part.
 - `git blame -C -M` - follow lines through file renames and moves between files.
 - `blame.ignoreRevsFile` - hide bulk reformatting commits from every blame.
diff --git a/README.md b/README.md
index 88413bca..c6bfbfe0 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ working with branches, resolving merge conflicts, and pushing to a remote.
 
 ## Git: Beyond the Basics
 
-The folder [advanced](advanced) contains the exercises for **Git: Beyond the Basics**. It picks up where
+The folder [beyond](beyond) contains the exercises for **Git: Beyond the Basics**. It picks up where
 the first course leaves off and needs nothing more than those basics. It has two parts: the
 commands beyond the basics (reading history, submodules, cherry-pick and rebase, stash and
 worktree, hooks, large files), and how a change travels through a shared project on a web
@@ -25,7 +25,7 @@ view, with the current slide, the next slide, the notes and a timer. The PDFs co
 slides only.
 
 The sources are [beginner/slides/slides.md](beginner/slides/slides.md) and
-[advanced/slides/slides.md](advanced/slides/slides.md). To build a deck locally, run its
+[beyond/slides/slides.md](beyond/slides/slides.md). To build a deck locally, run its
 `build.sh` - it needs only Node.js and writes both the HTML and the PDF next to the source.
 Pushing to `main` republishes the site.
 
diff --git a/beginner/README.md b/beginner/README.md
index b46d3c70..cd40115a 100644
--- a/beginner/README.md
+++ b/beginner/README.md
@@ -3,7 +3,7 @@
 This folder contains the exercises for **Git: The Basics**, the introductory one of the two C2SM
 Git Courses. Feel free to download the material to practice and enhance your Git skills.
 
-Once you are comfortable with these, [Git: Beyond the Basics](../advanced) continues from here.
+Once you are comfortable with these, [Git: Beyond the Basics](../beyond) continues from here.
 
 The corresponding slides of this course can be found on our [C2SM User Landing Page](https://c2sm.github.io/events/git_courses/).
 
diff --git a/beginner/helpers.sh b/beginner/helpers.sh
index f5346da5..aa07ae63 100755
--- a/beginner/helpers.sh
+++ b/beginner/helpers.sh
@@ -209,7 +209,7 @@ commit_to_remote_by_third_party() {
     cd conference_planning_remote_tmp
     git checkout updated_schedules
     cp ../conference_planning/schedule_day1.txt .
-    sed '3s/.*/09:00-11:00: Workshop Git for advanced/' schedule_day1.txt > schedule_day1_tmp.txt
+    sed '3s/.*/09:00-11:00: Workshop Git for Force-Pushers Anonymous/' schedule_day1.txt > schedule_day1_tmp.txt
     mv -f schedule_day1_tmp.txt schedule_day1.txt
     git add * && git commit -m "Git workshop in the morning"
 
diff --git a/beginner/slides/build.sh b/beginner/slides/build.sh
index 82da62ad..d7485892 100755
--- a/beginner/slides/build.sh
+++ b/beginner/slides/build.sh
@@ -45,21 +45,53 @@ npx -y @marp-team/marp-cli@latest beginner/slides/slides.md \
     --allow-local-files \
     -o "$pdf"
 
-# Marp stamps the PDF's CreationDate/ModDate with the current time on every build,
-# which makes the file differ byte-for-byte even when nothing changed. That causes
-# CI to commit a "changed" PDF on every run. Pin both dates to the epoch to keep
-# the output reproducible.
+# Two sources make the PDF differ byte-for-byte between runs even when nothing
+# changed, which would make CI commit a "changed" PDF every time:
+#  - Marp stamps CreationDate/ModDate with the current time.
+#  - Headless Chrome numbers the tagged-PDF accessibility structure tree with
+#    "node<N>" ids drawn from a per-run counter, unrelated to the document content.
+# Pin the dates and renumber the node ids deterministically to keep the output
+# reproducible.
 normalize_tmp=$(mktemp -d)
 npm install --no-audit --no-fund --silent --prefix "$normalize_tmp" pdf-lib@1
 NODE_PATH="$normalize_tmp/node_modules" node - "$pdf" <<'NODE'
 const fs = require("fs");
-const { PDFDocument } = require("pdf-lib");
+const { PDFDocument, PDFDict, PDFArray, PDFStream, PDFString } = require("pdf-lib");
+
+const NODE_ID_RE = /^node\d+$/;
 
 (async () => {
     const path = process.argv[2];
     const doc = await PDFDocument.load(fs.readFileSync(path));
     doc.setCreationDate(new Date(0));
     doc.setModificationDate(new Date(0));
+
+    const renumbered = new Map();
+    const nextId = (oldId) => {
+        if (!renumbered.has(oldId)) {
+            renumbered.set(oldId, `node${String(renumbered.size).padStart(8, "0")}`);
+        }
+        return renumbered.get(oldId);
+    };
+
+    // Structure tree node ids are referenced from many objects scattered across
+    // the document, so walk every indirect object and rewrite each occurrence to
+    // a value based only on the order it is first encountered while enumerating
+    // objects in ascending, and therefore stable, object-number order.
+    const visit = (obj, set) => {
+        if (obj instanceof PDFString) {
+            const value = obj.asString();
+            if (NODE_ID_RE.test(value)) set(PDFString.of(nextId(value)));
+        } else if (obj instanceof PDFDict) {
+            for (const [key, value] of obj.entries()) visit(value, (v) => obj.set(key, v));
+        } else if (obj instanceof PDFArray) {
+            for (let i = 0; i < obj.size(); i++) visit(obj.get(i), (v) => obj.set(i, v));
+        } else if (obj instanceof PDFStream) {
+            visit(obj.dict, () => {});
+        }
+    };
+    for (const [, object] of doc.context.enumerateIndirectObjects()) visit(object, () => {});
+
     fs.writeFileSync(path, await doc.save());
 })();
 NODE
diff --git a/advanced/Exercise_1_examining-history.md b/beyond/Exercise_1_examining-history.md
similarity index 99%
rename from advanced/Exercise_1_examining-history.md
rename to beyond/Exercise_1_examining-history.md
index 920c214a..96400321 100644
--- a/advanced/Exercise_1_examining-history.md
+++ b/beyond/Exercise_1_examining-history.md
@@ -154,7 +154,7 @@ git log --oneline --author="Lauber"
 
 </details>
 
-**Task 7. (Bonus)** Show only the commits that changed the file *advanced/helpers.sh*.
+**Task 7. (Bonus)** Show only the commits that changed the file *beyond/helpers.sh*.
 
 <details><summary>💡 Hint</summary>
 
@@ -166,7 +166,7 @@ branch.
 <details><summary>✅ Solution</summary>
 
 ```plaintext
-git log --oneline -- advanced/helpers.sh
+git log --oneline -- beyond/helpers.sh
 ```
 
 </details>
diff --git a/advanced/Exercise_2_submodules.md b/beyond/Exercise_2_submodules.md
similarity index 94%
rename from advanced/Exercise_2_submodules.md
rename to beyond/Exercise_2_submodules.md
index ad784596..3d76fc8d 100644
--- a/advanced/Exercise_2_submodules.md
+++ b/beyond/Exercise_2_submodules.md
@@ -12,9 +12,9 @@ In this exercise you add a submodule, watch how Git keeps the two repositories s
 move changes in both directions.
 
 > [!IMPORTANT]
-> **Where you work:** `advanced_git/conference_submodule`, a copy of the sandbox you make in the
+> **Where you work:** `git_beyond/conference_submodule`, a copy of the sandbox you make in the
 > first task below. This has nothing to do with the *git-course* repository you cloned: the
-> sandbox lives in `advanced_git/`, a **separate** directory next to *git-course*. See
+> sandbox lives in `git_beyond/`, a **separate** directory next to *git-course*. See
 > [Where each exercise happens](README.md#where-each-exercise-happens) for the full map.
 > If you have not created the sandbox yet, follow the [Setup section](README.md#setup) first.
 
@@ -33,19 +33,19 @@ In this exercise we cover the following:
 
 ## Add a submodule <a name="add"></a>
 
-The sandbox is the repository `advanced_git/conference_planning`. We work on a **copy** of it, so
+The sandbox is the repository `git_beyond/conference_planning`. We work on a **copy** of it, so
 that the original stays usable for the later exercises. Three steps get you set up.
 
-First, move to `advanced_git/`, the folder that *contains* the sandbox, so that you are not inside
+First, move to `git_beyond/`, the folder that *contains* the sandbox, so that you are not inside
 any repository:
 
 ```plaintext
-cd ~/<path>/advanced_git
+cd ~/<path>/git_beyond
 ```
 
 Second, create the repository the submodule will point at. The course helper
 `init_submodule_remote` builds a small one called *glossary-tool*, at
-`advanced_git/glossary-tool.git`:
+`git_beyond/glossary-tool.git`:
 
 ```plaintext
 init_submodule_remote
@@ -73,7 +73,7 @@ cd conference_submodule
 <details><summary>💡 Hint</summary>
 
 The command is `git submodule add <url> <path>`. `init_submodule_remote` created the repository
-at `~/<path>/advanced_git/glossary-tool.git` - use that path as the URL. A local filesystem path
+at `~/<path>/git_beyond/glossary-tool.git` - use that path as the URL. A local filesystem path
 works exactly like a GitHub URL here; Git does not care where a repository lives.
 
 </details>
@@ -81,7 +81,7 @@ works exactly like a GitHub URL here; Git does not care where a repository lives
 <details><summary>✅ Solution</summary>
 
 ```plaintext
-git submodule add ~/<path>/advanced_git/glossary-tool.git c2sm-info
+git submodule add ~/<path>/git_beyond/glossary-tool.git c2sm-info
 ```
 
 </details>
@@ -234,7 +234,7 @@ without going into the repository yourself.
 
 ```plaintext
 git push origin main
-git -C ~/<path>/advanced_git/glossary-tool.git log --oneline -3
+git -C ~/<path>/git_beyond/glossary-tool.git log --oneline -3
 ```
 
 The submodule is an ordinary repository, so the push is an ordinary push. `glossary-tool.git` is
diff --git a/advanced/Exercise_3_ignoring-files.md b/beyond/Exercise_3_ignoring-files.md
similarity index 99%
rename from advanced/Exercise_3_ignoring-files.md
rename to beyond/Exercise_3_ignoring-files.md
index 8cf87a6a..c9ad0575 100644
--- a/advanced/Exercise_3_ignoring-files.md
+++ b/beyond/Exercise_3_ignoring-files.md
@@ -12,7 +12,7 @@ effect on files Git is already tracking, and when a file mysteriously refuses to
 is a command that tells you exactly why.
 
 > [!IMPORTANT]
-> **Where you work:** `advanced_git/conference_planning`.
+> **Where you work:** `git_beyond/conference_planning`.
 > If you have not created the sandbox yet, follow the [Setup section](README.md#setup) first.
 > Confirm with `pwd` that you are inside *conference_planning*.
 
diff --git a/advanced/Exercise_4_cherry-pick-rebase.md b/beyond/Exercise_4_cherry-pick-rebase.md
similarity index 98%
rename from advanced/Exercise_4_cherry-pick-rebase.md
rename to beyond/Exercise_4_cherry-pick-rebase.md
index 1866109e..11dea952 100644
--- a/advanced/Exercise_4_cherry-pick-rebase.md
+++ b/beyond/Exercise_4_cherry-pick-rebase.md
@@ -12,11 +12,11 @@ In this exercise you use cherry-pick to rescue a single commit from a branch, th
 merging and rebasing on the same starting point so you can see the difference in the history.
 
 > [!IMPORTANT]
-> **Where you work:** `advanced_git/conference_planning`.
+> **Where you work:** `git_beyond/conference_planning`.
 > If you have not created the sandbox yet, follow the [Setup section](README.md#setup) first.
 >
 > This exercise deliberately creates a complex history. If you lose track at any point, run
-> `reset_advanced_repo` and start the section again.
+> `reset_beyond_repo` and start the section again.
 
 > [!TIP]
 > Keep a second terminal open running the graph view from Exercise 1. After every step, look at
diff --git a/advanced/Exercise_5_stash-worktree.md b/beyond/Exercise_5_stash-worktree.md
similarity index 98%
rename from advanced/Exercise_5_stash-worktree.md
rename to beyond/Exercise_5_stash-worktree.md
index 1be968fd..0402c0be 100644
--- a/advanced/Exercise_5_stash-worktree.md
+++ b/beyond/Exercise_5_stash-worktree.md
@@ -9,7 +9,7 @@ somewhere else. `git stash` puts your unfinished work aside for a moment. `git w
 you a second directory so you never have to put it aside at all.
 
 > [!IMPORTANT]
-> **Where you work:** `advanced_git/conference_planning`, plus a second directory next to it that
+> **Where you work:** `git_beyond/conference_planning`, plus a second directory next to it that
 > you create in the worktree section.
 > If you have not created the sandbox yet, follow the [Setup section](README.md#setup) first.
 
diff --git a/advanced/Exercise_6_hooks.md b/beyond/Exercise_6_hooks.md
similarity index 99%
rename from advanced/Exercise_6_hooks.md
rename to beyond/Exercise_6_hooks.md
index 00e532f9..92fd7f0e 100644
--- a/advanced/Exercise_6_hooks.md
+++ b/beyond/Exercise_6_hooks.md
@@ -11,7 +11,7 @@ In this exercise you write a `pre-commit` hook, watch it stop a bad commit, then
 setup so several checks can run together.
 
 > [!IMPORTANT]
-> **Where you work:** `advanced_git/conference_planning`, specifically its *.git/hooks* directory.
+> **Where you work:** `git_beyond/conference_planning`, specifically its *.git/hooks* directory.
 > If you have not created the sandbox yet, follow the [Setup section](README.md#setup) first.
 
 > [!NOTE]
diff --git a/advanced/Exercise_7_git-lfs.md b/beyond/Exercise_7_git-lfs.md
similarity index 99%
rename from advanced/Exercise_7_git-lfs.md
rename to beyond/Exercise_7_git-lfs.md
index 5d0725f6..466d04c2 100644
--- a/advanced/Exercise_7_git-lfs.md
+++ b/beyond/Exercise_7_git-lfs.md
@@ -12,7 +12,7 @@ keeps the real bytes in a separate store. This exercise is entirely local, so yo
 and no storage quota.
 
 > [!IMPORTANT]
-> **Where you work:** `advanced_git/conference_planning`.
+> **Where you work:** `git_beyond/conference_planning`.
 > If you have not created the sandbox yet, follow the [Setup section](README.md#setup) first.
 
 > [!NOTE]
diff --git a/advanced/Exercise_8_web-workflow.md b/beyond/Exercise_8_web-workflow.md
similarity index 99%
rename from advanced/Exercise_8_web-workflow.md
rename to beyond/Exercise_8_web-workflow.md
index f91b40af..39cad374 100644
--- a/advanced/Exercise_8_web-workflow.md
+++ b/beyond/Exercise_8_web-workflow.md
@@ -14,7 +14,7 @@ template, and Actions that check every pull request.
 
 > [!IMPORTANT]
 > **Where you work:** in your browser, and in a clone of **your fork** placed anywhere *outside*
-> `advanced_git` - for example next to the *git-course* directory. Do **not** put it inside
+> `git_beyond` - for example next to the *git-course* directory. Do **not** put it inside
 > another repository.
 
 > [!NOTE]
diff --git a/advanced/README.md b/beyond/README.md
similarity index 84%
rename from advanced/README.md
rename to beyond/README.md
index d40aec9b..5ea0b9a8 100644
--- a/advanced/README.md
+++ b/beyond/README.md
@@ -11,7 +11,7 @@ The course has two parts:
 - **Part 2 · Working Together on GitHub** - how a change actually travels from an idea to the
   `main` branch of a shared project: issues, forks, pull requests, checks and review.
 
-The [slides](slides/slides_advanced.pdf) are built from [slides/slides.md](slides/slides.md).
+The [slides](slides/slides_beyond.pdf) are built from [slides/slides.md](slides/slides.md).
 Feel free to download the material and work through it on your own.
 
 See the [Getting Started section](https://github.com/C2SM/git-course/#getting-started) for how to
@@ -40,17 +40,17 @@ git config --global init.defaultBranch main
 Then load the helper functions and create the sandbox:
 
 ```plaintext
-cd advanced
+cd beyond
 source helpers.sh
-init_advanced_repo
+init_beyond_repo
 ```
 
 > [!NOTE]
 > The functions in [helpers.sh](helpers.sh) are written by C2SM and are **not** part of Git. They
 > only exist to give you a repository with some history to practice on.
 >
-> - `init_advanced_repo` creates the sandbox and moves you into it.
-> - `reset_advanced_repo` throws it away and recreates it from scratch. Use it whenever an
+> - `init_beyond_repo` creates the sandbox and moves you into it.
+> - `reset_beyond_repo` throws it away and recreates it from scratch. Use it whenever an
 >   exercise goes sideways - that is what it is for.
 > - `insert_after '<pattern>' '<text>' <file>` inserts a line after the first line matching the
 >   pattern, and works the same on Linux, macOS and Git Bash.
@@ -63,24 +63,24 @@ This is the question that causes the most confusion, so here is the map. Everyth
 ```
 <the folder containing git-course>/
 ├── git-course/                        ← Exercise 1
-└── advanced_git/                      ← created by init_advanced_repo
+└── git_beyond/                        ← created by init_beyond_repo
     ├── conference_planning/           ← Exercises 3, 4, 5, 6, 7
     ├── conference_planning-feature/   ← you create this in Exercise 5
     └── conference_submodule/          ← Exercise 2
 ```
 
 Exercise 8 happens in the browser plus a clone of your own fork, which can live anywhere outside
-`advanced_git`.
+`git_beyond`.
 
 | Exercise | Topic | Working directory |
 | --- | --- | --- |
 | [1](Exercise_1_examining-history.md) | `git log`, `git blame`, `git diff`, `git show` | `git-course` |
-| [2](Exercise_2_submodules.md) | `git submodule` | `advanced_git/conference_submodule` |
-| [3](Exercise_3_ignoring-files.md) | `.gitignore`, `.gitkeep` | `advanced_git/conference_planning` |
-| [4](Exercise_4_cherry-pick-rebase.md) | `git cherry-pick`, `git rebase` | `advanced_git/conference_planning` |
-| [5](Exercise_5_stash-worktree.md) | `git stash`, `git worktree` | `advanced_git/conference_planning` |
-| [6](Exercise_6_hooks.md) | Custom Git hooks | `advanced_git/conference_planning` |
-| [7](Exercise_7_git-lfs.md) | `git lfs` | `advanced_git/conference_planning` |
+| [2](Exercise_2_submodules.md) | `git submodule` | `git_beyond/conference_submodule` |
+| [3](Exercise_3_ignoring-files.md) | `.gitignore`, `.gitkeep` | `git_beyond/conference_planning` |
+| [4](Exercise_4_cherry-pick-rebase.md) | `git cherry-pick`, `git rebase` | `git_beyond/conference_planning` |
+| [5](Exercise_5_stash-worktree.md) | `git stash`, `git worktree` | `git_beyond/conference_planning` |
+| [6](Exercise_6_hooks.md) | Custom Git hooks | `git_beyond/conference_planning` |
+| [7](Exercise_7_git-lfs.md) | `git lfs` | `git_beyond/conference_planning` |
 | [8](Exercise_8_web-workflow.md) | Issues, forks, pull requests, review | browser + a clone of your fork |
 
 If you are ever unsure where you are, `pwd` tells you, and `git status` tells you which
diff --git a/advanced/examples/schedule_day1.txt b/beyond/examples/schedule_day1.txt
similarity index 100%
rename from advanced/examples/schedule_day1.txt
rename to beyond/examples/schedule_day1.txt
diff --git a/advanced/examples/schedule_day2.txt b/beyond/examples/schedule_day2.txt
similarity index 100%
rename from advanced/examples/schedule_day2.txt
rename to beyond/examples/schedule_day2.txt
diff --git a/advanced/helpers.sh b/beyond/helpers.sh
similarity index 86%
rename from advanced/helpers.sh
rename to beyond/helpers.sh
index 904e9ca1..07d4fc88 100755
--- a/advanced/helpers.sh
+++ b/beyond/helpers.sh
@@ -12,9 +12,9 @@ insert_after () {
     sed "/$pattern/a\\"$'\n'"$text" "$file" > "$tmp" && mv "$tmp" "$file"
 }
 
-init_advanced_repo () {
-    mkdir -p "$script_dir/../../advanced_git"
-    cd "$script_dir/../../advanced_git" || return 1
+init_beyond_repo () {
+    mkdir -p "$script_dir/../../git_beyond"
+    cd "$script_dir/../../git_beyond" || return 1
     rm -rf conference_planning
     mkdir -p conference_planning
     cd conference_planning || return 1
@@ -34,7 +34,7 @@ init_advanced_repo () {
     git add . && git commit -m "Add coffee break"
 
     echo -e "Working directory prepared."
-    echo -e "\033[31m\033[1mYou have been moved to the 'conference_planning' directory within the 'advanced_git' directory. This is where you start your exercise.\033[0m"
+    echo -e "\033[31m\033[1mYou have been moved to the 'conference_planning' directory within the 'git_beyond' directory. This is where you start your exercise.\033[0m"
 }
 
 # Creates a local bare repository, glossary-tool.git, that stands in for a small
@@ -42,8 +42,8 @@ init_advanced_repo () {
 # keeps the submodule exercise entirely local; Exercise 8 covers the real
 # equivalent, a fork on GitHub.
 init_submodule_remote () {
-    mkdir -p "$script_dir/../../advanced_git"
-    cd "$script_dir/../../advanced_git" || return 1
+    mkdir -p "$script_dir/../../git_beyond"
+    cd "$script_dir/../../git_beyond" || return 1
     rm -rf glossary-tool.git glossary-tool_tmp
     mkdir glossary-tool_tmp
     cd glossary-tool_tmp || return 1
@@ -70,7 +70,7 @@ EOF
 # Plays the part of a colleague who pushes a change straight to glossary-tool's
 # main branch while you are working in the submodule.
 commit_to_submodule_remote_by_colleague () {
-    cd "$script_dir/../../advanced_git" || return 1
+    cd "$script_dir/../../git_beyond" || return 1
     rm -rf glossary-tool_colleague
     git clone -q glossary-tool.git glossary-tool_colleague
     cd glossary-tool_colleague || return 1
@@ -82,10 +82,10 @@ commit_to_submodule_remote_by_colleague () {
 }
 
 # Throw away everything and start the exercises over from a clean state.
-reset_advanced_repo () {
+reset_beyond_repo () {
     echo "Restoring a clean working directory"
-    rm -rf "$script_dir/../../advanced_git"
-    init_advanced_repo &> /dev/null
+    rm -rf "$script_dir/../../git_beyond"
+    init_beyond_repo &> /dev/null
     echo -e "\033[31m\033[1mHere we go again! You are in the 'conference_planning' directory.\033[0m"
     pwd
 }
diff --git a/advanced/schedule.md b/beyond/schedule.md
similarity index 100%
rename from advanced/schedule.md
rename to beyond/schedule.md
diff --git a/advanced/slides/build.sh b/beyond/slides/build.sh
similarity index 65%
rename from advanced/slides/build.sh
rename to beyond/slides/build.sh
index 28ce48ba..3e38a4a0 100755
--- a/advanced/slides/build.sh
+++ b/beyond/slides/build.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 #
-# Builds the advanced course slides: renders every Mermaid diagram to SVG, then
+# Builds the beyond course slides: renders every Mermaid diagram to SVG, then
 # renders the deck to HTML and PDF. The CI workflows run this same script, so a
 # local build and the committed PDF cannot drift apart, and the site published to
 # GitHub Pages is built exactly the way authors build it locally.
@@ -12,8 +12,8 @@ set -euo pipefail
 repo_root=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )/../.." &> /dev/null && pwd )
 cd "$repo_root"
 
-diagrams="advanced/slides/diagrams"
-images="advanced/slides/images"
+diagrams="beyond/slides/diagrams"
+images="beyond/slides/images"
 hashes="$images/.diagram-hashes"
 
 mkdir -p "$images"
@@ -82,37 +82,69 @@ fi
 # in slides.md into a note, shown in the presenter view (press "p"). The PDF renderer
 # drops them, so the notes stay out of the handout.
 echo "Rendering slides to HTML..."
-html="advanced/slides/slides_advanced.html"
-npx -y @marp-team/marp-cli@latest advanced/slides/slides.md \
+html="beyond/slides/slides_beyond.html"
+npx -y @marp-team/marp-cli@latest beyond/slides/slides.md \
     --config-file slides_theme/marprc.yml \
     --theme-set slides_theme/c2sm-light.css slides_theme/c2sm-dark.css \
     --allow-local-files \
     -o "$html"
 
 echo "Rendering slides to PDF..."
-pdf="advanced/slides/slides_advanced.pdf"
-npx -y @marp-team/marp-cli@latest advanced/slides/slides.md \
+pdf="beyond/slides/slides_beyond.pdf"
+npx -y @marp-team/marp-cli@latest beyond/slides/slides.md \
     --config-file slides_theme/marprc.yml \
     --theme-set slides_theme/c2sm-light.css slides_theme/c2sm-dark.css \
     --pdf \
     --allow-local-files \
     -o "$pdf"
 
-# Marp stamps the PDF's CreationDate/ModDate with the current time on every build,
-# which makes the file differ byte-for-byte even when nothing changed. That causes
-# CI to commit a "changed" PDF on every run. Pin both dates to the epoch to keep
-# the output reproducible.
+# Two sources make the PDF differ byte-for-byte between runs even when nothing
+# changed, which would make CI commit a "changed" PDF every time:
+#  - Marp stamps CreationDate/ModDate with the current time.
+#  - Headless Chrome numbers the tagged-PDF accessibility structure tree with
+#    "node<N>" ids drawn from a per-run counter, unrelated to the document content.
+# Pin the dates and renumber the node ids deterministically to keep the output
+# reproducible.
 normalize_tmp=$(mktemp -d)
 npm install --no-audit --no-fund --silent --prefix "$normalize_tmp" pdf-lib@1
 NODE_PATH="$normalize_tmp/node_modules" node - "$pdf" <<'NODE'
 const fs = require("fs");
-const { PDFDocument } = require("pdf-lib");
+const { PDFDocument, PDFDict, PDFArray, PDFStream, PDFString } = require("pdf-lib");
+
+const NODE_ID_RE = /^node\d+$/;
 
 (async () => {
     const path = process.argv[2];
     const doc = await PDFDocument.load(fs.readFileSync(path));
     doc.setCreationDate(new Date(0));
     doc.setModificationDate(new Date(0));
+
+    const renumbered = new Map();
+    const nextId = (oldId) => {
+        if (!renumbered.has(oldId)) {
+            renumbered.set(oldId, `node${String(renumbered.size).padStart(8, "0")}`);
+        }
+        return renumbered.get(oldId);
+    };
+
+    // Structure tree node ids are referenced from many objects scattered across
+    // the document, so walk every indirect object and rewrite each occurrence to
+    // a value based only on the order it is first encountered while enumerating
+    // objects in ascending, and therefore stable, object-number order.
+    const visit = (obj, set) => {
+        if (obj instanceof PDFString) {
+            const value = obj.asString();
+            if (NODE_ID_RE.test(value)) set(PDFString.of(nextId(value)));
+        } else if (obj instanceof PDFDict) {
+            for (const [key, value] of obj.entries()) visit(value, (v) => obj.set(key, v));
+        } else if (obj instanceof PDFArray) {
+            for (let i = 0; i < obj.size(); i++) visit(obj.get(i), (v) => obj.set(i, v));
+        } else if (obj instanceof PDFStream) {
+            visit(obj.dict, () => {});
+        }
+    };
+    for (const [, object] of doc.context.enumerateIndirectObjects()) visit(object, () => {});
+
     fs.writeFileSync(path, await doc.save());
 })();
 NODE
diff --git a/advanced/slides/diagrams/cherry-pick.mmd b/beyond/slides/diagrams/cherry-pick.mmd
similarity index 100%
rename from advanced/slides/diagrams/cherry-pick.mmd
rename to beyond/slides/diagrams/cherry-pick.mmd
diff --git a/advanced/slides/diagrams/file-states.mmd b/beyond/slides/diagrams/file-states.mmd
similarity index 100%
rename from advanced/slides/diagrams/file-states.mmd
rename to beyond/slides/diagrams/file-states.mmd
diff --git a/advanced/slides/diagrams/fork-sync.mmd b/beyond/slides/diagrams/fork-sync.mmd
similarity index 100%
rename from advanced/slides/diagrams/fork-sync.mmd
rename to beyond/slides/diagrams/fork-sync.mmd
diff --git a/advanced/slides/diagrams/fork-triangle.mmd b/beyond/slides/diagrams/fork-triangle.mmd
similarity index 100%
rename from advanced/slides/diagrams/fork-triangle.mmd
rename to beyond/slides/diagrams/fork-triangle.mmd
diff --git a/advanced/slides/diagrams/hooks-timeline.mmd b/beyond/slides/diagrams/hooks-timeline.mmd
similarity index 100%
rename from advanced/slides/diagrams/hooks-timeline.mmd
rename to beyond/slides/diagrams/hooks-timeline.mmd
diff --git a/advanced/slides/diagrams/lfs-pointer.mmd b/beyond/slides/diagrams/lfs-pointer.mmd
similarity index 100%
rename from advanced/slides/diagrams/lfs-pointer.mmd
rename to beyond/slides/diagrams/lfs-pointer.mmd
diff --git a/advanced/slides/diagrams/local-workflow.mmd b/beyond/slides/diagrams/local-workflow.mmd
similarity index 100%
rename from advanced/slides/diagrams/local-workflow.mmd
rename to beyond/slides/diagrams/local-workflow.mmd
diff --git a/advanced/slides/diagrams/merge-vs-rebase.mmd b/beyond/slides/diagrams/merge-vs-rebase.mmd
similarity index 100%
rename from advanced/slides/diagrams/merge-vs-rebase.mmd
rename to beyond/slides/diagrams/merge-vs-rebase.mmd
diff --git a/advanced/slides/diagrams/mermaid-config.json b/beyond/slides/diagrams/mermaid-config.json
similarity index 100%
rename from advanced/slides/diagrams/mermaid-config.json
rename to beyond/slides/diagrams/mermaid-config.json
diff --git a/advanced/slides/diagrams/pr-lifecycle.mmd b/beyond/slides/diagrams/pr-lifecycle.mmd
similarity index 100%
rename from advanced/slides/diagrams/pr-lifecycle.mmd
rename to beyond/slides/diagrams/pr-lifecycle.mmd
diff --git a/advanced/slides/diagrams/puppeteer-config.json b/beyond/slides/diagrams/puppeteer-config.json
similarity index 100%
rename from advanced/slides/diagrams/puppeteer-config.json
rename to beyond/slides/diagrams/puppeteer-config.json
diff --git a/advanced/slides/diagrams/stash.mmd b/beyond/slides/diagrams/stash.mmd
similarity index 100%
rename from advanced/slides/diagrams/stash.mmd
rename to beyond/slides/diagrams/stash.mmd
diff --git a/advanced/slides/diagrams/submodule-pointer.mmd b/beyond/slides/diagrams/submodule-pointer.mmd
similarity index 100%
rename from advanced/slides/diagrams/submodule-pointer.mmd
rename to beyond/slides/diagrams/submodule-pointer.mmd
diff --git a/advanced/slides/diagrams/worktree.mmd b/beyond/slides/diagrams/worktree.mmd
similarity index 100%
rename from advanced/slides/diagrams/worktree.mmd
rename to beyond/slides/diagrams/worktree.mmd
diff --git a/advanced/slides/images/.diagram-hashes b/beyond/slides/images/.diagram-hashes
similarity index 100%
rename from advanced/slides/images/.diagram-hashes
rename to beyond/slides/images/.diagram-hashes
diff --git a/advanced/slides/images/cherry-pick.svg b/beyond/slides/images/cherry-pick.svg
similarity index 100%
rename from advanced/slides/images/cherry-pick.svg
rename to beyond/slides/images/cherry-pick.svg
diff --git a/advanced/slides/images/file-states.svg b/beyond/slides/images/file-states.svg
similarity index 100%
rename from advanced/slides/images/file-states.svg
rename to beyond/slides/images/file-states.svg
diff --git a/advanced/slides/images/fork-sync.svg b/beyond/slides/images/fork-sync.svg
similarity index 100%
rename from advanced/slides/images/fork-sync.svg
rename to beyond/slides/images/fork-sync.svg
diff --git a/advanced/slides/images/fork-triangle.svg b/beyond/slides/images/fork-triangle.svg
similarity index 100%
rename from advanced/slides/images/fork-triangle.svg
rename to beyond/slides/images/fork-triangle.svg
diff --git a/advanced/slides/images/hooks-timeline.svg b/beyond/slides/images/hooks-timeline.svg
similarity index 100%
rename from advanced/slides/images/hooks-timeline.svg
rename to beyond/slides/images/hooks-timeline.svg
diff --git a/advanced/slides/images/lfs-pointer.svg b/beyond/slides/images/lfs-pointer.svg
similarity index 100%
rename from advanced/slides/images/lfs-pointer.svg
rename to beyond/slides/images/lfs-pointer.svg
diff --git a/advanced/slides/images/local-workflow.svg b/beyond/slides/images/local-workflow.svg
similarity index 100%
rename from advanced/slides/images/local-workflow.svg
rename to beyond/slides/images/local-workflow.svg
diff --git a/advanced/slides/images/merge-vs-rebase.svg b/beyond/slides/images/merge-vs-rebase.svg
similarity index 100%
rename from advanced/slides/images/merge-vs-rebase.svg
rename to beyond/slides/images/merge-vs-rebase.svg
diff --git a/advanced/slides/images/pr-lifecycle.svg b/beyond/slides/images/pr-lifecycle.svg
similarity index 100%
rename from advanced/slides/images/pr-lifecycle.svg
rename to beyond/slides/images/pr-lifecycle.svg
diff --git a/advanced/slides/images/stash.svg b/beyond/slides/images/stash.svg
similarity index 100%
rename from advanced/slides/images/stash.svg
rename to beyond/slides/images/stash.svg
diff --git a/advanced/slides/images/submodule-pointer.svg b/beyond/slides/images/submodule-pointer.svg
similarity index 100%
rename from advanced/slides/images/submodule-pointer.svg
rename to beyond/slides/images/submodule-pointer.svg
diff --git a/advanced/slides/images/worktree.svg b/beyond/slides/images/worktree.svg
similarity index 100%
rename from advanced/slides/images/worktree.svg
rename to beyond/slides/images/worktree.svg
diff --git a/advanced/slides/slides.md b/beyond/slides/slides.md
similarity index 97%
rename from advanced/slides/slides.md
rename to beyond/slides/slides.md
index 17aef855..b092041a 100644
--- a/advanced/slides/slides.md
+++ b/beyond/slides/slides.md
@@ -285,15 +285,15 @@ table {font-size: 20px;}
 <div class="note">
 
 **Where you work:** the `git-course` repository itself - we examine its real history.
-All exercises: <https://github.com/C2SM/git-course/tree/main/advanced>
+All exercises: <https://github.com/C2SM/git-course/tree/main/beyond>
 
 </div>
 
 <!--
 - First exercise - spend a moment on logistics:
-  - Open `advanced/README.md` on screen and walk through it: the Setup section, and the
+  - Open `beyond/README.md` on screen and walk through it: the Setup section, and the
     "Where each exercise happens" map showing which directory each exercise uses
-  - Point out that `advanced_git/` is created next to `git-course`, never inside it
+  - Point out that `git_beyond/` is created next to `git-course`, never inside it
   - Call one of us over rather than continuing unassisted
 - Around 15 minutes. Walk the room
 - Common stumbling block: quoting in `-S` and `--author`, especially on Windows shells
@@ -456,7 +456,7 @@ table {font-size: 20px;}
 
 <div class="note">
 
-**Where you work:** `advanced_git/conference_submodule`
+**Where you work:** `git_beyond/conference_submodule`
 Everything stays local - the helper script builds a small stand-in repository to point the submodule at.
 
 </div>
@@ -565,13 +565,13 @@ table {font-size: 20px;}
 
 <div class="note">
 
-**Where you work:** `advanced_git/conference_planning`
-If you run into trouble, `reset_advanced_repo` gives you a clean start at any time.
+**Where you work:** `git_beyond/conference_planning`
+If you run into trouble, `reset_beyond_repo` gives you a clean start at any time.
 
 </div>
 
 <!--
-- Point out `reset_advanced_repo` clearly - works for every remaining exercise, not just this one
+- Point out `reset_beyond_repo` clearly - works for every remaining exercise, not just this one
   - Removes hesitation about experimenting
 - About 15 minutes
 - Last exercise before the coffee break - fine if the room finishes early, fine to carry on into the break if still working
@@ -587,7 +587,7 @@ If you run into trouble, `reset_advanced_repo` gives you a clean start at any ti
 <!--
 - State the exact time we resume and adhere to it
 - Good moment to check the clock against the schedule slide, decide whether the afternoon needs trimming
-- Also a good moment to catch anyone who has fallen behind and reset them with `reset_advanced_repo` before the next block
+- Also a good moment to catch anyone who has fallen behind and reset them with `reset_beyond_repo` before the next block
 -->
 
 ---
@@ -659,8 +659,8 @@ table {font-size: 20px;}
 
 <div class="note">
 
-**Where you work:** `advanced_git/conference_planning`
-If you run into trouble, `reset_advanced_repo` gives you a clean start at any time.
+**Where you work:** `git_beyond/conference_planning`
+If you run into trouble, `reset_beyond_repo` gives you a clean start at any time.
 
 </div>
 
@@ -669,7 +669,7 @@ If you run into trouble, `reset_advanced_repo` gives you a clean start at any ti
 - Encourage running `git log --oneline --graph --all` before and after each step
   - Seeing the hashes change is what makes rebase concrete
 - Reassure: a conflict during the exercise is not a mistake, it is part of the exercise
-  - `--abort` and `reset_advanced_repo` are both safety nets
+  - `--abort` and `reset_beyond_repo` are both safety nets
 -->
 
 ---
@@ -738,7 +738,7 @@ table {font-size: 20px;}
 
 <div class="note">
 
-**Where you work:** `advanced_git/conference_planning`, plus the worktree it creates next to it.
+**Where you work:** `git_beyond/conference_planning`, plus the worktree it creates next to it.
 
 </div>
 
@@ -809,7 +809,7 @@ table {font-size: 20px;}
 
 <div class="note">
 
-**Where you work:** `advanced_git/conference_planning`
+**Where you work:** `git_beyond/conference_planning`
 Everything happens in its `.git/hooks` directory.
 
 </div>
@@ -902,7 +902,7 @@ table {font-size: 20px;}
 
 <div class="note">
 
-**Where you work:** `advanced_git/conference_planning`
+**Where you work:** `git_beyond/conference_planning`
 Entirely local - no remote and no LFS quota needed.
 
 </div>
@@ -1255,7 +1255,7 @@ table {font-size: 20px;}
 <div class="note">
 
 **Where you work:** <https://github.com/C2SM/c2sm-git-example> in the browser, plus a clone of
-your fork anywhere outside `advanced_git`.
+your fork anywhere outside `git_beyond`.
 
 </div>
 
@@ -1266,7 +1266,7 @@ You will review each other's pull requests, so **work in pairs**.
   - Anyone lacking a GitHub account needs one now
 - About 30 minutes - exercise most likely to overrun
 - Two logistics points to state clearly:
-  - Clone the fork somewhere outside `advanced_git` - avoids colliding with the morning's practice repositories
+  - Clone the fork somewhere outside `git_beyond` - avoids colliding with the morning's practice repositories
   - They will need to authenticate when pushing - set up an SSH key or token now if missing
 - Protect the review half - it is what people skip when time runs short
   - Leaving a real comment on a colleague's PR is the whole point of pairing
diff --git a/advanced/slides/slides_advanced.pdf b/beyond/slides/slides_beyond.pdf
similarity index 93%
rename from advanced/slides/slides_advanced.pdf
rename to beyond/slides/slides_beyond.pdf
index 8a968608..80987445 100644
Binary files a/advanced/slides/slides_advanced.pdf and b/beyond/slides/slides_beyond.pdf differ
diff --git a/advanced/tests/check_consistency.sh b/beyond/tests/check_consistency.sh
similarity index 77%
rename from advanced/tests/check_consistency.sh
rename to beyond/tests/check_consistency.sh
index b1d9e0b9..8bef2edd 100755
--- a/advanced/tests/check_consistency.sh
+++ b/beyond/tests/check_consistency.sh
@@ -26,9 +26,9 @@ pass () {
 echo "1. Every exercise referenced in the slides exists"
 missing=0
 # shellcheck disable=SC2013 # word-splitting is fine: these are bare numbers, never paths
-for n in $(grep -oE 'Exercise [0-9]+' advanced/slides/slides.md | grep -oE '[0-9]+' | sort -u); do
-    if ! ls advanced/Exercise_"$n"_*.md > /dev/null 2>&1; then
-        fail "slides mention Exercise $n, but no advanced/Exercise_${n}_*.md exists"
+for n in $(grep -oE 'Exercise [0-9]+' beyond/slides/slides.md | grep -oE '[0-9]+' | sort -u); do
+    if ! ls beyond/Exercise_"$n"_*.md > /dev/null 2>&1; then
+        fail "slides mention Exercise $n, but no beyond/Exercise_${n}_*.md exists"
         missing=1
     fi
 done
@@ -36,9 +36,9 @@ done
 
 echo "2. Every exercise on disk is referenced in the slides"
 missing=0
-for f in advanced/Exercise_*.md; do
+for f in beyond/Exercise_*.md; do
     n=$(basename "$f" | sed 's/Exercise_\([0-9]*\)_.*/\1/')
-    if ! grep -q "Exercise $n" advanced/slides/slides.md; then
+    if ! grep -q "Exercise $n" beyond/slides/slides.md; then
         fail "$f exists, but the slides never mention Exercise $n"
         missing=1
     fi
@@ -48,25 +48,25 @@ done
 echo "3. Every image used by the slides has a Mermaid source"
 missing=0
 # shellcheck disable=SC2013 # word-splitting is fine: these are single-token image paths
-for img in $(grep -oE 'images/[A-Za-z0-9_-]+\.svg' advanced/slides/slides.md | sort -u); do
+for img in $(grep -oE 'images/[A-Za-z0-9_-]+\.svg' beyond/slides/slides.md | sort -u); do
     name=$(basename "$img" .svg)
-    [ -f "advanced/slides/$img" ] || { fail "slides reference $img, which does not exist"; missing=1; }
-    [ -f "advanced/slides/diagrams/$name.mmd" ] || { fail "$img has no diagrams/$name.mmd source"; missing=1; }
+    [ -f "beyond/slides/$img" ] || { fail "slides reference $img, which does not exist"; missing=1; }
+    [ -f "beyond/slides/diagrams/$name.mmd" ] || { fail "$img has no diagrams/$name.mmd source"; missing=1; }
 done
 [ "$missing" -eq 0 ] && pass "every referenced diagram has a source and a rendered SVG"
 
 echo "4. No orphaned Mermaid sources"
 missing=0
-for f in advanced/slides/diagrams/*.mmd; do
+for f in beyond/slides/diagrams/*.mmd; do
     name=$(basename "$f" .mmd)
-    grep -q "images/$name.svg" advanced/slides/slides.md || { fail "$f is never used by the slides"; missing=1; }
+    grep -q "images/$name.svg" beyond/slides/slides.md || { fail "$f is never used by the slides"; missing=1; }
 done
 [ "$missing" -eq 0 ] && pass "no orphaned diagram sources"
 
 echo "5. No raster images left in the slides folder"
 missing=0
 shopt -s nullglob
-for f in advanced/slides/images/*.png advanced/slides/images/*.jpg advanced/slides/images/*.jpeg advanced/slides/images/*.gif; do
+for f in beyond/slides/images/*.png beyond/slides/images/*.jpg beyond/slides/images/*.jpeg beyond/slides/images/*.gif; do
     fail "$f is a raster image; diagrams should be Mermaid-generated SVG"
     missing=1
 done
@@ -128,24 +128,24 @@ if bad == 0:
 sys.exit(1 if bad else 0)
 PY
 
-echo "8. The exercise table in advanced/README.md is complete"
+echo "8. The exercise table in beyond/README.md is complete"
 missing=0
-for f in advanced/Exercise_*.md; do
-    grep -q "$(basename "$f")" advanced/README.md || { fail "$(basename "$f") is missing from the table in advanced/README.md"; missing=1; }
+for f in beyond/Exercise_*.md; do
+    grep -q "$(basename "$f")" beyond/README.md || { fail "$(basename "$f") is missing from the table in beyond/README.md"; missing=1; }
 done
-[ "$missing" -eq 0 ] && pass "advanced/README.md lists every exercise"
+[ "$missing" -eq 0 ] && pass "beyond/README.md lists every exercise"
 
-# The two checks below only cover advanced/ plus the root files this course update
+# The two checks below only cover beyond/ plus the root files this course update
 # owns. The beginner course uses trailing two spaces deliberately, for Markdown hard
 # line breaks, in a lot of its prose - a repo-wide rule would misfire on it constantly,
 # and reformatting that content is a separate piece of work from this one.
-scoped_files=$(git -C "$repo_root" ls-files -- 'advanced/*.md' 'advanced/*.sh' 2>/dev/null)
+scoped_files=$(git -C "$repo_root" ls-files -- 'beyond/*.md' 'beyond/*.sh' 2>/dev/null)
 scoped_files="$scoped_files
 README.md
 Expert_Topics.md
 check_requirements.sh"
 
-echo "9. No accidental trailing whitespace in advanced/ (two-space hard breaks allowed)"
+echo "9. No accidental trailing whitespace in beyond/ (two-space hard breaks allowed)"
 missing=0
 while IFS= read -r f; do
     [ -f "$f" ] || continue
diff --git a/advanced/tests/test_helpers.sh b/beyond/tests/test_helpers.sh
similarity index 57%
rename from advanced/tests/test_helpers.sh
rename to beyond/tests/test_helpers.sh
index 617e3cd7..8ba6004a 100755
--- a/advanced/tests/test_helpers.sh
+++ b/beyond/tests/test_helpers.sh
@@ -1,12 +1,12 @@
 #!/bin/bash
 
-# Tests the helper functions of the advanced course. Run it on every platform the
+# Tests the helper functions of the beyond course. Run it on every platform the
 # course is taught on (Linux, macOS, Git Bash) before the course, see issue #147.
 
 # Calculate the absolute path to helpers.sh
 SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 HELPERS_PATH="$SCRIPT_DIR/../helpers.sh"
-REPO="$SCRIPT_DIR/../../../advanced_git/conference_planning"
+REPO="$SCRIPT_DIR/../../../git_beyond/conference_planning"
 
 if [ ! -f "$HELPERS_PATH" ]; then
     echo -e "\033[31m\033[1mError: helpers.sh not found at $HELPERS_PATH\033[0m"
@@ -45,35 +45,35 @@ insert_after 'alpha' 'INSERTED' "$tmpfile"
 check "insert_after function" "$(sed -n 2p "$tmpfile")" "INSERTED"
 rm -f "$tmpfile"
 
-# Test init_advanced_repo function
-echo "Testing init_advanced_repo function..."
-init_advanced_repo > /dev/null 2>&1
+# Test init_beyond_repo function
+echo "Testing init_beyond_repo function..."
+init_beyond_repo > /dev/null 2>&1
 if [ -d "$REPO/.git" ]; then
-    pass_test "init_advanced_repo creates the repository"
+    pass_test "init_beyond_repo creates the repository"
 else
-    fail_test "init_advanced_repo creates the repository"
+    fail_test "init_beyond_repo creates the repository"
 fi
 
 cd "$REPO" || exit 1
 
-check "init_advanced_repo default branch" "$(git branch --show-current)" "main"
-check "init_advanced_repo commit count" "$(git rev-list --count HEAD)" "4"
-check "init_advanced_repo clean tree" "$(git status --porcelain)" ""
+check "init_beyond_repo default branch" "$(git branch --show-current)" "main"
+check "init_beyond_repo commit count" "$(git rev-list --count HEAD)" "4"
+check "init_beyond_repo clean tree" "$(git status --porcelain)" ""
 check "poster session inserted" "$(sed -n 3p schedule_day1.txt)" "09:00-11:00: Poster session"
 check "coffee break inserted" "$(sed -n 4p schedule_day2.txt)" "11:00-11:15: Coffee break"
 
-# Test that init_advanced_repo is idempotent (it is re-run by participants who get stuck)
-echo "Testing init_advanced_repo is repeatable..."
-init_advanced_repo > /dev/null 2>&1
-check "init_advanced_repo is repeatable" "$(git rev-list --count HEAD)" "4"
+# Test that init_beyond_repo is idempotent (it is re-run by participants who get stuck)
+echo "Testing init_beyond_repo is repeatable..."
+init_beyond_repo > /dev/null 2>&1
+check "init_beyond_repo is repeatable" "$(git rev-list --count HEAD)" "4"
 
-# Test reset_advanced_repo function
-echo "Testing reset_advanced_repo function..."
+# Test reset_beyond_repo function
+echo "Testing reset_beyond_repo function..."
 echo "leftover junk" >> schedule_day1.txt
 git switch -c stray_branch > /dev/null 2>&1
-reset_advanced_repo > /dev/null 2>&1
-check "reset_advanced_repo discards changes" "$(git status --porcelain)" ""
-check "reset_advanced_repo returns to main" "$(git branch --show-current)" "main"
+reset_beyond_repo > /dev/null 2>&1
+check "reset_beyond_repo discards changes" "$(git status --porcelain)" ""
+check "reset_beyond_repo returns to main" "$(git branch --show-current)" "main"
 
 # Print summary
 echo -e "\n\033[1mTest Summary:\033[0m"
diff --git a/check_requirements.sh b/check_requirements.sh
index 054004c3..c3140e9a 100755
--- a/check_requirements.sh
+++ b/check_requirements.sh
@@ -31,7 +31,7 @@ else
 fi
 
 # Check if git-lfs is installed (skip if --beginner). Only Exercise 7 of the
-# advanced course needs it.
+# beyond course needs it.
 if ! $BEGINNER_MODE; then
     if git lfs version >/dev/null 2>&1; then
         echo "Git LFS is installed."
diff --git a/pages/index.html b/pages/index.html
index ac90bce9..8c60541f 100644
--- a/pages/index.html
+++ b/pages/index.html
@@ -126,9 +126,9 @@ <h2>Git: Beyond the Basics</h2>
     <p>Examining history, submodules, <code>.gitignore</code>, cherry-pick and rebase,
        stash and worktree, hooks, Git LFS, and collaborating through pull requests.</p>
     <div class="links">
-      <a class="btn primary" href="advanced/slides/">Slides</a>
-      <a class="btn" href="advanced/slides/slides_advanced.pdf">PDF</a>
-      <a class="btn" href="https://github.com/C2SM/git-course/tree/main/advanced">Exercises</a>
+      <a class="btn primary" href="beyond/slides/">Slides</a>
+      <a class="btn" href="beyond/slides/slides_beyond.pdf">PDF</a>
+      <a class="btn" href="https://github.com/C2SM/git-course/tree/main/beyond">Exercises</a>
     </div>
   </section>