diff --git a/Makefile b/Makefile
index 5e11bc2..b0a4348 100644
--- a/Makefile
+++ b/Makefile
@@ -22,14 +22,14 @@ external: cookie
 
 html: ## Build learn site (without external content) in `./public`
 html: prepare
-	hugo
+	jupyter-book build . --path-output public
 
 html-all: ## Buildlearn site (with external content) in `./public`
 html-all: html external
 
 serve: ## Serve site, typically on http://localhost:1313
 serve: prepare
-	@hugo --printI18nWarnings server
+	python -m http.server --directory public/_build/html 1313
 
 clean: ## Remove built files
 clean:
diff --git a/_config.yml b/_config.yml
new file mode 100644
index 0000000..73390c6
--- /dev/null
+++ b/_config.yml
@@ -0,0 +1,70 @@
+# _config.yml
+title: learn.scientific-python.org
+only_build_toc_files: true
+
+# Keep things simple and MyST-first
+parse:
+  myst_enable_extensions: []
+
+sphinx:
+  config:
+    extra_extensions:
+      - sphinx_design
+    # --- Theme / branding ---
+    html_theme: pydata_sphinx_theme
+    html_title: "Learn Scientific Python"
+    html_logo: "static/images/logo.svg"
+
+    # Make your existing assets available to Sphinx
+    html_static_path:
+      - "assets"
+      - "static"
+
+    # Reuse existing custom CSS (assets/css/custom.css)
+    html_css_files:
+      - "css/custom.css"
+
+    # --- PyData theme options (navbar/footer-ish) ---
+    html_theme_options:
+      navbar_align: "content"
+
+      # Top navbar links (mirrors the old site’s cross-network navigation)
+      external_links:
+        - name: "Home"
+          url: "https://scientific-python.org/"
+        - name: "Blog"
+          url: "https://blog.scientific-python.org"
+        - name: "Learn"
+          url: "https://learn.scientific-python.org/"
+        - name: "Tools"
+          url: "https://tools.scientific-python.org"
+
+      # Social icons (footer/header icons)
+      icon_links:
+        - name: "GitHub"
+          url: "https://github.com/scientific-python/"
+          icon: "fab fa-github"
+        - name: "YouTube"
+          url: "https://www.youtube.com/c/ScientificPython-org"
+          icon: "fab fa-youtube"
+        - name: "Mastodon"
+          url: "https://fosstodon.org/@scientific_python"
+          icon: "fab fa-mastodon"
+        - name: "Discourse"
+          url: "https://discuss.scientific-python.org"
+          icon: "fas fa-comments"
+        - name: "Discord"
+          url: "https://discord.com/invite/vur45CbwMz"
+          icon: "fab fa-discord"
+
+      # Reduce “book-like” chrome to feel more like a website
+      show_nav_level: 2
+      navigation_with_keys: false
+    # Don't even look at generated content
+    exclude_patterns:
+      - "content/_build/**"
+      - "public/**"
+      - ".github/**"
+      - "external-content/**"
+      - "**/.ipynb_checkpoints"
+      - "**/.DS_Store"
diff --git a/_toc.yml b/_toc.yml
new file mode 100644
index 0000000..4720056
--- /dev/null
+++ b/_toc.yml
@@ -0,0 +1,46 @@
+format: jb-book
+root: content/_index
+
+parts:
+  - caption: About
+    chapters:
+      - file: content/about/_index
+      - file: content/about/governance
+
+  - caption: Community
+    chapters:
+      - file: content/community/_index
+      - file: content/community/role
+      - file: content/community/skills
+      - file: content/community/community-meetings
+      - file: content/community/community-outreach
+      - file: content/community/onboarding
+      - file: content/community/project-management
+
+  - caption: Contributors
+    chapters:
+      - file: content/contributors/_index
+      - file: content/contributors/why-contribute
+      - file: content/contributors/getting-started
+      - file: content/contributors/choosing-a-project
+      - file: content/contributors/first-contribution
+      - file: content/contributors/ways-to-contribute
+      - file: content/contributors/setup/install
+      - file: content/contributors/setup/ecosystem
+      - file: content/contributors/setup/next-steps
+
+  - caption: Documentation
+    chapters:
+      - file: content/documentation/_index
+      - file: content/documentation/accessible-documentation
+
+  - caption: Maintainers
+    chapters:
+      - file: content/maintainers/_index
+      - file: content/maintainers/meeting_types
+      - file: content/maintainers/managing-conflict
+      - file: content/maintainers/interacting-with-new-contributors
+
+  - caption: Roadmap
+    chapters:
+      - file: content/roadmap
diff --git a/assets/css/custom.css b/assets/css/custom.css
index 9c5e964..f22d33c 100644
--- a/assets/css/custom.css
+++ b/assets/css/custom.css
@@ -1,3 +1,24 @@
 .navbar-logo-text {
   font-family: "Lato";
 }
+/* --- Make layout feel less "book-ish" and closer to a website --- */
+.bd-main .bd-content .bd-article-container {
+  max-width: 900px; /* keep readable, less wide than default "docs" feel */
+}
+
+h1,
+h2,
+h3,
+h4 {
+  letter-spacing: -0.01em;
+}
+
+/* Slightly tighten the top spacing so it feels more like a marketing/docs site */
+.bd-header {
+  box-shadow: none;
+}
+
+/* If the left sidebar feels too dominant, reduce its visual weight */
+.bd-sidebar-primary {
+  border-right: 0;
+}
diff --git a/content/_index.md b/content/_index.md
index bcecd6c..a16b2d2 100644
--- a/content/_index.md
+++ b/content/_index.md
@@ -2,7 +2,22 @@
 title:
 ---
 
-{{< grid columns="1 2 2 2" >}}
+````{grid} 1 2 2 2
+:gap: 3
+
+```{grid-item-card} Contributor Guide
+:link: /contributors/
+:shadow: md
+
+Learn how to join the Scientific Python community!
+```
+```{grid-item-card} Development Guide
+:link: /development/
+:shadow: md
+
+Learn recommended tools and approaches for developing Scientific Python libraries.
+```
+````
 
 [[item]]
 type = 'card'