Complete configurator overhaul with premium design

Major Changes:
- Replaced static preview with dynamic SVG door visualizer
- Integrated Zustand for real-time state management
- Redesigned UI with Dark Green (#1A2E2E) and Pistachio (#C4D668) colors
- Removed all orange branding (brand-orange)
- Premium selection tiles with active/inactive states
- Live door rendering that updates instantly on selection

Features:
- Dynamic SVG draws door based on configuration
- Real-time updates: doorType, gridType, finish, handle
- Background room image with semi-transparent overlay
- Animated "Live Voorbeeld" badge with pulse effect
- Configuration info card showing current selections
- Premium typography with Inter font

Technical:
- Added Zustand state management (lib/store.ts)
- Created DoorVisualizer component with SVG logic
- Updated step-product and step-options with premium tiles
- Color swatches for finish selection
- Check icons for selected states

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

package-lock.json

@@ -18,7 +18,8 @@
         "react-dom": "19.2.3",
         "react-hook-form": "^7.71.1",
         "tailwind-merge": "^3.4.0",
-        "zod": "^4.3.6"
+        "zod": "^4.3.6",
+        "zustand": "^5.0.11"
       },
       "devDependencies": {
         "@tailwindcss/postcss": "^4",
@@ -12243,6 +12244,35 @@
       "peerDependencies": {
         "zod": "^3.25.0 || ^4.0.0"
       }
+    },
+    "node_modules/zustand": {
+      "version": "5.0.11",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-5.0.11.tgz",
+      "integrity": "sha512-fdZY+dk7zn/vbWNCYmzZULHRrss0jx5pPFiOuMZ/5HJN6Yv3u+1Wswy/4MpZEkEGhtNH+pwxZB8OKgUBPzYAGg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=12.20.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=18.0.0",
+        "immer": ">=9.0.6",
+        "react": ">=18.0.0",
+        "use-sync-external-store": ">=1.2.0"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "immer": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        },
+        "use-sync-external-store": {
+          "optional": true
+        }
+      }
     }
   }
 }