diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 00000000..2a2a122d
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,22 @@
+name: Build Preview
+
+on:
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.2'
+          bundler-cache: true
+
+      - name: Build Jekyll site
+        run: bundle exec jekyll build
+        env:
+          JEKYLL_ENV: production
diff --git a/netlify.toml b/netlify.toml
new file mode 100644
index 00000000..3ef36ed5
--- /dev/null
+++ b/netlify.toml
@@ -0,0 +1,17 @@
+# Netlify configuration for PR deploy previews
+# Production hosting is on GitHub Pages — Netlify is used for previews only
+
+[build]
+  command = "bundle install && bundle exec jekyll build"
+  publish = "_site"
+
+[build.environment]
+  RUBY_VERSION = "3.2.2"
+  BUNDLE_PATH = "vendor/bundle"
+
+# Deploy preview context (PRs)
+[context.deploy-preview]
+  command = "bundle install && bundle exec jekyll build"
+
+[context.deploy-preview.environment]
+  JEKYLL_ENV = "development"