diff --git a/.github/actions/build-wheel/action.yml b/.github/actions/build-wheel/action.yml
new file mode 100644
index 0000000..fb82f3b
--- /dev/null
+++ b/.github/actions/build-wheel/action.yml
@@ -0,0 +1,22 @@
+name: Build wheel
+description: Build wheel with maturin
+inputs:
+  target:
+    required: true
+  args:
+    required: true
+  manylinux:
+    required: false
+  before-script-linux:
+    required: false
+runs:
+  using: "composite"
+  steps:
+    - name: Build wheel
+      uses: PyO3/maturin-action@v1
+      with:
+        maturin-version: 1.9.6
+        target: ${{ inputs.target }}
+        args: ${{ inputs.args }}
+        manylinux: ${{ inputs.manylinux }}
+        before-script-linux: ${{ inputs.before-script-linux }}
diff --git a/.github/actions/cache-rust-build/action.yml b/.github/actions/cache-rust-build/action.yml
new file mode 100644
index 0000000..309dc62
--- /dev/null
+++ b/.github/actions/cache-rust-build/action.yml
@@ -0,0 +1,15 @@
+name: Cache Rust build
+description: Caches Rust build artifacts and dependencies
+runs:
+  using: "composite"
+  steps:
+    - name: Cache Rust build
+      uses: actions/cache@v4
+      with:
+        path: |
+          target
+          ~/.cargo/registry
+          ~/.cargo/git
+        key: ${{ runner.os }}-test-${{ runner.arch }}-${{ hashFiles('**/Cargo.lock', '**/Cargo.toml') }}
+        restore-keys: |
+          ${{ runner.os }}-test-${{ runner.arch }}-
diff --git a/.github/actions/download-wheels/action.yml b/.github/actions/download-wheels/action.yml
new file mode 100644
index 0000000..0a0c941
--- /dev/null
+++ b/.github/actions/download-wheels/action.yml
@@ -0,0 +1,15 @@
+name: Download wheels
+description: Download wheels artifact
+inputs:
+  name:
+    required: true
+  path:
+    required: true
+runs:
+  using: "composite"
+  steps:
+    - name: Download wheel
+      uses: actions/download-artifact@v4
+      with:
+        name: ${{ inputs.name }}
+        path: ${{ inputs.path }}
diff --git a/.github/actions/install-python-deps/action.yml b/.github/actions/install-python-deps/action.yml
new file mode 100644
index 0000000..2c8976e
--- /dev/null
+++ b/.github/actions/install-python-deps/action.yml
@@ -0,0 +1,8 @@
+name: Install Python dependencies
+description: Install required Python dependencies using uv
+runs:
+  using: "composite"
+  steps:
+    - name: Install required python dependencies
+      run: uv sync --no-install-project
+      shell: bash
diff --git a/.github/actions/install-uv/action.yml b/.github/actions/install-uv/action.yml
new file mode 100644
index 0000000..0188f17
--- /dev/null
+++ b/.github/actions/install-uv/action.yml
@@ -0,0 +1,17 @@
+name: Install uv
+description: Setup uv with caching
+inputs:
+  python-version:
+    description: Python version to use
+    required: false
+    default: ""
+runs:
+  using: "composite"
+  steps:
+    - name: Install uv
+      uses: astral-sh/setup-uv@v7
+      with:
+        version: "0.9.11"
+        enable-cache: true
+        cache-dependency-glob: "**/uv.lock"
+        python-version: ${{ inputs.python-version }}
diff --git a/.github/actions/run-cargo-tests/action.yml b/.github/actions/run-cargo-tests/action.yml
new file mode 100644
index 0000000..a06b722
--- /dev/null
+++ b/.github/actions/run-cargo-tests/action.yml
@@ -0,0 +1,24 @@
+name: Run cargo tests
+description: Run cargo tests with uv and proper environment
+runs:
+  using: "composite"
+  steps:
+    - name: Run cargo tests
+      shell: bash
+      run: |
+        # pyo3 and uv do not work well together...
+        PY_LIBDIR=$(uv run --no-sync python -c "import sysconfig; print(sysconfig.get_config_var('LIBDIR'))")
+        echo "Python libdir: $PY_LIBDIR"
+        # setting LD_LIBRARY_PATH for Linux: https://github.com/astral-sh/uv/issues/11006#issuecomment-2672486381
+        export LD_LIBRARY_PATH="$PY_LIBDIR${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}" # LINUX
+        if [[ "$RUNNER_OS" == "Windows" ]]; then
+          uv run --no-sync python -c "import sys; print(sys.path)"
+          uv run --no-sync where python
+          export PYTHONPATH="$(echo .venv/Lib/site-packages)"
+        else
+          # setting PYTHONHOME and PYTHONPATH seem to be the best solution for macOS at the moment
+          # https://github.com/PyO3/pyo3/issues/1741#issuecomment-955805634
+          export PYTHONHOME="$(uv run --no-sync python -c 'import sys; print(sys.base_prefix)')" # MACOS
+          export PYTHONPATH="$(echo .venv/lib/python*/site-packages)" # MACOS
+        fi
+        uv run --no-sync cargo test --no-default-features
diff --git a/.github/actions/run-python-tests/action.yml b/.github/actions/run-python-tests/action.yml
new file mode 100644
index 0000000..30302a5
--- /dev/null
+++ b/.github/actions/run-python-tests/action.yml
@@ -0,0 +1,23 @@
+name: Run Python tests
+description: Run Python tests with uv
+inputs:
+  min-deps:
+    required: false
+    default: "false"
+runs:
+  using: "composite"
+  steps:
+    - name: Run tests
+      shell: bash
+      run: |
+        WHEEL_PATH=$(ls dist/*.whl)
+        uv venv
+        if [[ "${{ inputs.min-deps }}" == "true" ]]; then
+          uv sync --resolution lowest-direct --no-install-project --no-default-groups --group=test
+          uv pip install --no-deps --force-reinstall "$WHEEL_PATH"
+          uv run --no-sync --no-default-groups --group=test pytest tests/
+        else
+          uv sync --no-install-project --no-default-groups --group=test
+          uv pip install --force-reinstall "$WHEEL_PATH"
+          uv run --no-sync pytest tests/
+        fi
diff --git a/.github/actions/test-wheel/action.yml b/.github/actions/test-wheel/action.yml
new file mode 100644
index 0000000..f8aaeb9
--- /dev/null
+++ b/.github/actions/test-wheel/action.yml
@@ -0,0 +1,32 @@
+name: Test wheel
+description: Download and test a built wheel
+inputs:
+  artifact-name:
+    description: Name of the artifact to download
+    required: true
+  python-version:
+    description: Python version to use
+    required: false
+    default: "3.12"
+runs:
+  using: "composite"
+  steps:
+    - name: Install uv
+      uses: ./.github/actions/install-uv
+      with:
+        python-version: ${{ inputs.python-version }}
+
+    - name: Download wheel
+      uses: actions/download-artifact@v4
+      with:
+        name: ${{ inputs.artifact-name }}
+        path: dist
+
+    - name: Run tests
+      shell: bash
+      run: |
+        WHEEL_PATH=$(ls dist/*.whl)
+        uv venv
+        uv sync --no-install-project --no-default-groups --group=test
+        uv pip install --force-reinstall "$WHEEL_PATH"
+        uv run --no-sync pytest tests/
diff --git a/.github/actions/upload-wheels/action.yml b/.github/actions/upload-wheels/action.yml
new file mode 100644
index 0000000..d1a312c
--- /dev/null
+++ b/.github/actions/upload-wheels/action.yml
@@ -0,0 +1,15 @@
+name: Upload wheels
+description: Upload wheels artifact
+inputs:
+  name:
+    required: true
+  path:
+    required: true
+runs:
+  using: "composite"
+  steps:
+    - name: Upload wheel
+      uses: actions/upload-artifact@v4
+      with:
+        name: ${{ inputs.name }}
+        path: ${{ inputs.path }}
diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 78e7e8c..92a3e13 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -6,7 +6,6 @@ on:
       - main
     tags:
       - "*"
-  pull_request:
   workflow_dispatch:
 
 permissions:
@@ -14,14 +13,7 @@ permissions:
 
 jobs:
   lint:
-    name: Lint
-    runs-on: ubuntu-24.04
-    steps:
-      - uses: actions/checkout@v6
-      - uses: astral-sh/ruff-action@v3
-      - run: |
-          ruff check
-          ruff format --check
+    uses: ./.github/workflows/lint.yml
 
   rust_tests:
     name: Rust tests - ${{ matrix.platform.name }}
@@ -44,48 +36,10 @@ jobs:
             runner: macos-15
     steps:
       - uses: actions/checkout@v6
-      - name: Cache Rust build
-        uses: actions/cache@v4
-        with:
-          path: |
-            target
-            ~/.cargo/registry
-            ~/.cargo/git
-          key: ${{ runner.os }}-test-${{ runner.arch }}-${{ hashFiles('**/Cargo.lock', '**/Cargo.toml') }}
-          restore-keys: |
-            ${{ runner.os }}-test-${{ runner.arch }}-
-
-      - name: Install uv
-        uses: astral-sh/setup-uv@v7
-        with:
-          version: "0.9.11"
-          enable-cache: true
-          cache-dependency-glob: "**/uv.lock"
-          # python-version: "3.12"
-
-      - name: Install required python dependencies
-        run: uv sync --no-install-project
-        shell: bash
-
-      - name: Run cargo tests
-        run: |
-          # pyo3 and uv do not work well together...
-          PY_LIBDIR=$(uv run --no-sync python -c "import sysconfig; print(sysconfig.get_config_var('LIBDIR'))")
-          echo "Python libdir: $PY_LIBDIR"
-          # setting LD_LIBRARY_PATH for Linux: https://github.com/astral-sh/uv/issues/11006#issuecomment-2672486381
-          export LD_LIBRARY_PATH="$PY_LIBDIR${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}" # LINUX
-          if [[ "$RUNNER_OS" == "Windows" ]]; then
-            uv run --no-sync python -c "import sys; print(sys.path)"
-            uv run --no-sync where python
-            export PYTHONPATH="$(echo .venv/Lib/site-packages)"
-          else
-            # setting PYTHONHOME and PYTHONPATH seem to be the best solution for macOS at the moment
-            # https://github.com/PyO3/pyo3/issues/1741#issuecomment-955805634
-            export PYTHONHOME="$(uv run --no-sync python -c 'import sys; print(sys.base_prefix)')" # MACOS
-            export PYTHONPATH="$(echo .venv/lib/python*/site-packages)" # MACOS
-          fi
-          uv run --no-sync cargo test --no-default-features
-        shell: bash
+      - uses: ./.github/actions/cache-rust-build
+      - uses: ./.github/actions/install-uv
+      - uses: ./.github/actions/install-python-deps
+      - uses: ./.github/actions/run-cargo-tests
 
   build:
     needs: rust_tests
@@ -141,27 +95,14 @@ jobs:
             is-musl: false
     steps:
       - uses: actions/checkout@v6
-      - name: Cache Rust build
-        uses: actions/cache@v4
-        with:
-          path: |
-            target
-            ~/.cargo/registry
-            ~/.cargo/git
-          key: ${{ runner.os }}-build-${{ matrix.platform.name }}-${{ hashFiles('**/Cargo.lock', '**/Cargo.toml') }}
-          restore-keys: |
-            ${{ runner.os }}-build-${{ matrix.platform.name }}-
-      - name: Build wheels
-        uses: PyO3/maturin-action@v1
+      - uses: ./.github/actions/cache-rust-build
+      - uses: ./.github/actions/build-wheel
         with:
-          maturin-version: 1.9.6
           target: ${{ matrix.platform.target }}
           args: --release --out dist --find-interpreter
           manylinux: ${{ matrix.platform.manylinux }}
-          container: ${{ matrix.platform.is-musl == true && 'off' || '' }}
           before-script-linux: ${{ matrix.platform.before-script }}
-      - name: Upload wheels
-        uses: actions/upload-artifact@v4
+      - uses: ./.github/actions/upload-wheels
         with:
           name: wheels-${{ matrix.platform.name }}
           path: dist
@@ -171,13 +112,12 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Build sdist
-        uses: PyO3/maturin-action@v1
+        uses: ./.github/actions/build-wheel
         with:
-          maturin-version: 1.9.6
           command: sdist
           args: --out dist
       - name: Upload sdist
-        uses: actions/upload-artifact@v4
+        uses: ./.github/actions/upload-wheels
         with:
           name: wheels-sdist
           path: dist
@@ -265,44 +205,17 @@ jobs:
             python-version: "3.10"
             is-min-deps: true
     steps:
-      # Use the test composite action
       - uses: actions/checkout@v6
-
-      - name: Install uv
-        uses: astral-sh/setup-uv@v7
+      - uses: ./.github/actions/install-uv
         with:
-          version: "0.9.11"
-          enable-cache: "true"
-          cache-dependency-glob: "**/uv.lock"
           python-version: ${{ matrix.config.python-version }}
-
-      - name: Download wheels
-        uses: actions/download-artifact@v4
+      - uses: ./.github/actions/download-wheels
         with:
           name: wheels-${{ matrix.config.platform-name }}
           path: dist
-
-      # Regular tests (non-musl platforms)
-      - name: Run regular tests
-        if: ${{ !matrix.config.is-min-deps && !matrix.config.is-musl }}
-        shell: bash
-        run: |
-          WHEEL_PATH=$(ls dist/*.whl)
-          uv venv
-          uv sync --no-install-project --no-default-groups --group=test
-          uv pip install --force-reinstall "$WHEEL_PATH"
-          uv run --no-sync pytest tests/
-
-      # Minimum dependencies test
-      - name: Run tests with minimum dependencies
-        if: ${{ matrix.config.is-min-deps }}
-        shell: bash
-        run: |
-          WHEEL_PATH=$(ls dist/*.whl)
-          uv venv
-          uv sync --resolution lowest-direct --no-install-project --no-default-groups --group=test
-          uv pip install --no-deps --force-reinstall "$WHEEL_PATH"
-          uv run --no-sync --no-default-groups --group=test pytest tests/
+      - uses: ./.github/actions/run-python-tests
+        with:
+          min-deps: ${{ matrix.config.is-min-deps }}
 
   test-musl:
     needs: build
@@ -317,25 +230,13 @@ jobs:
         run: |
           apk add tar python3 py3-pip py3-psutil gcc python3-dev musl-dev linux-headers
 
-      - name: Install uv
-        uses: astral-sh/setup-uv@v7
+      - uses: ./.github/actions/install-uv
         with:
-          version: "0.9.11"
-          enable-cache: "true"
-          cache-dependency-glob: "**/uv.lock"
           python-version: "3.12"
-
-      - name: Download wheels
-        uses: actions/download-artifact@v4
+      - uses: ./.github/actions/download-wheels
         with:
           name: wheels-linux-musl-x86_64
           path: dist
 
       - name: Run musl tests
-        shell: sh
-        run: |
-          WHEEL_PATH=$(ls dist/*.whl)
-          uv venv
-          uv sync --no-install-project --no-default-groups --group=test
-          uv pip install --force-reinstall "$WHEEL_PATH"
-          uv run --no-sync pytest tests/
+        uses: ./.github/actions/run-python-tests
diff --git a/.github/workflows/ci-pr.yml b/.github/workflows/ci-pr.yml
new file mode 100644
index 0000000..5067ba7
--- /dev/null
+++ b/.github/workflows/ci-pr.yml
@@ -0,0 +1,54 @@
+name: PR Check
+
+on:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  lint:
+    uses: ./.github/workflows/lint.yml
+
+  rust_tests:
+    name: Rust tests (Linux x86_64)
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v6
+      - uses: ./.github/actions/cache-rust-build
+      - uses: ./.github/actions/install-uv
+      - uses: ./.github/actions/install-python-deps
+      - uses: ./.github/actions/run-cargo-tests
+
+  build:
+    needs: rust_tests
+    name: Build Wheel (Linux x86_64)
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v6
+      - uses: ./.github/actions/cache-rust-build
+      - uses: ./.github/actions/build-wheel
+        with:
+          target: x86_64-unknown-linux-gnu
+          args: --release --out dist --find-interpreter
+          manylinux: "2_28"
+          before-script-linux: python3 -m ensurepip && cat /etc/os-release && yum install clang -y
+      - uses: ./.github/actions/upload-wheels
+        with:
+          name: wheels-pr-linux-x86_64
+          path: dist
+
+  test:
+    needs: build
+    name: Test (Linux x86_64, Python 3.12)
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v6
+      - uses: ./.github/actions/install-uv
+        with:
+          python-version: "3.12"
+      - uses: ./.github/actions/download-wheels
+        with:
+          name: wheels-pr-linux-x86_64
+          path: dist
+      - uses: ./.github/actions/run-python-tests
diff --git a/.github/workflows/deploy_docs.yml b/.github/workflows/deploy_docs.yml
index dd6c16c..889ac52 100644
--- a/.github/workflows/deploy_docs.yml
+++ b/.github/workflows/deploy_docs.yml
@@ -9,15 +9,8 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v6
-
-      - name: Install uv
-        uses: astral-sh/setup-uv@v7
-        with:
-          version: "0.9.11"
-          enable-cache: "true"
-          cache-dependency-glob: "**/uv.lock"
+      - uses: actions/checkout@v6
+      - uses: ./.github/actions/install-uv
 
       - name: Build Sphinx documentation
         run: |
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..1e30379
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,15 @@
+name: Lint
+
+on:
+  workflow_call:
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v6
+      - uses: astral-sh/ruff-action@v3
+      - run: |
+          ruff check
+          ruff format --check