update

landing/package.json

@@ -16,9 +16,11 @@
     "react-dom": "19.2.4"
   },
   "devDependencies": {
+    "@tailwindcss/postcss": "^4.2.2",
     "@types/node": "^24.9.1",
     "@types/react": "^19.2.2",
     "@types/react-dom": "^19.2.2",
+    "tailwindcss": "^4.2.2",
     "typescript": "^5.9.3"
   }
 }