diff --git a/.gitea/workflows/cicd.yml b/.gitea/workflows/cicd.yml
index 7ce5987..b35cbcf 100644
--- a/.gitea/workflows/cicd.yml
+++ b/.gitea/workflows/cicd.yml
@@ -1,43 +1,109 @@
-name: CI/CD Pipeline
+name: Complete CI/CD Pipeline
 on:
   push:
     branches:
       - main
+  pull_request:
+    branches:
+      - main
 
 jobs:
   build-and-test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
   
     - name: Setup Node.js
-      uses: actions/setup-node@v2
+      uses: actions/setup-node@v4
       with:
-        node-version: '16'
+        node-version: '18'
         
     - name: Install dependencies
-      run: npm install -g http-server
-      
+      run: |
+        # No additional dependencies needed for static site
+        
+    - name: Validate HTML
+      run: |
+        # Check if all required files exist
+        if [ ! -f index.html ]; then
+          echo "ERROR: index.html not found"
+          exit 1
+        fi
+        if [ ! -f styles.css ]; then
+          echo "ERROR: styles.css not found"
+          exit 1
+        fi
+        if [ ! -f script.js ]; then
+          echo "ERROR: script.js not found"
+          exit 1
+        fi
+        echo "All required files present"
+        
     - name: Run tests
       run: |
-        # Add test commands here
         echo "Running tests..."
         ls -la
-        
-    - name: Build
-      run: |
-        # Any build steps if needed
-        echo "Build completed"
-        
-  deploy:
-    needs: build-and-test
-    runs-on: self-hosted
+        # Basic validation of files
+        cat index.html | head -20
+        echo "Test completed successfully"
+
+  security-scan:
+    runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     
-    - name: Deploy to server
+    - name: Security scan
       run: |
-        # Copy files to web directory
+        # Simple security check for common vulnerabilities
+        echo "Checking for potential security issues..."
+        if grep -i "eval\|document.cookie\|window.location" script.js; then
+          echo "Potential security issues found"
+        else
+          echo "No obvious security issues found"
+        fi
+
+  deploy-dev:
+    needs: [build-and-test, security-scan]
+    runs-on: self-hosted
+    if: github.ref == 'refs/heads/main'
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Deploy to development server
+      run: |
+        # Create dev deployment directory
+        sudo mkdir -p /var/www/html/tic-tac-toe-dev
+        # Copy all necessary files
+        sudo cp -r index.html styles.css script.js README.md PROJECT_PLAN.md DEPLOYMENT.md DOCKER_DEPLOY.md PROJECT_SUMMARY.md /var/www/html/tic-tac-toe-dev/
+        # Set proper permissions
+        sudo chown -R www-data:www-data /var/www/html/tic-tac-toe-dev/
+        sudo chmod -R 644 /var/www/html/tic-tac-toe-dev/*
+        echo "Development deployment completed"
+        
+  deploy-prod:
+    needs: [deploy-dev]
+    runs-on: self-hosted
+    if: github.ref == 'refs/heads/main'
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Deploy to production server
+      run: |
+        # Create prod deployment directory
         sudo mkdir -p /var/www/html/tic-tac-toe
-        sudo cp -r ./index.html ./styles.css ./script.js ./PROJECT_PLAN.md ./README.md ./DEPLOYMENT.md ./DOCKER_DEPLOY.md /var/www/html/tic-tac-toe/
-        echo "Deployment completed"
\ No newline at end of file
+        # Copy all necessary files
+        sudo cp -r index.html styles.css script.js README.md PROJECT_PLAN.md DEPLOYMENT.md DOCKER_DEPLOY.md PROJECT_SUMMARY.md /var/www/html/tic-tac-toe/
+        # Set proper permissions
+        sudo chown -R www-data:www-data /var/www/html/tic-tac-toe/
+        sudo chmod -R 644 /var/www/html/tic-tac-toe/*
+        echo "Production deployment completed"
+        
+  cleanup:
+    needs: [deploy-prod]
+    runs-on: self-hosted
+    if: github.ref == 'refs/heads/main'
+    steps:
+    - name: Cleanup temporary files
+      run: |
+        # Clean up any temporary files if needed
+        echo "Cleanup completed"
\ No newline at end of file