fix: resolve project 404s with Directus fallback and upgrade 404 page

Merged Directus and PostgreSQL project data, implemented single project fetch from CMS, and modernized the NotFound component with liquid design.

package.json

@@ -105,7 +105,7 @@
     "@types/react-responsive-masonry": "^2.6.0",
     "@types/react-syntax-highlighter": "^15.5.11",
     "@types/sanitize-html": "^2.16.0",
-    "autoprefixer": "^10.4.20",
+    "autoprefixer": "^10.4.24",
     "cross-env": "^7.0.3",
     "eslint": "^9",
     "eslint-config-next": "^15.5.7",
@@ -113,7 +113,7 @@
     "jest-environment-jsdom": "^29.7.0",
     "nodemailer-mock": "^2.0.9",
     "playwright": "^1.57.0",
-    "postcss": "^8.4.49",
+    "postcss": "^8.5.6",
     "prisma": "^5.22.0",
     "tailwindcss": "^3.4.17",
     "ts-jest": "^29.4.6",