Refactor UI components for improved localization and styling

- Updated various headings and text elements to utilize localization functions for better internationalization support.
- Simplified gradient styles in headings to enhance readability.
- Adjusted adventure and travel statistics sections to reflect localized titles and descriptions.
- Enhanced filter options and buttons with localized text for clarity.
- Modified Tailwind CSS configuration to include a new color 'dim' for future styling needs.

frontend/tailwind.config.js

@@ -14,6 +14,7 @@ export default {
 			'forest',
 			'aqua',
 			'emerald',
+			'dim',
 			{
 				aestheticDark: {
 					primary: '#3e5747',