feat: add smooth site-wide animations with framer-motion

- Add framer-motion and tailwindcss-animate for transitions
- Add page transitions via AnimatePresence in the site layout
- Convert nav dropdown and mobile menu to animated motion components
- Add entry animation to the radio player widget
- Add reveal/stagger animations to the home page views
- Add shared motion utilities and reusable animated components

package.json

@@ -33,6 +33,7 @@
 		"clsx": "^2.1.1",
 		"cmdk": "^1.1.1",
 		"croner": "^10.0.1",
+		"framer-motion": "^12.42.2",
 		"hash-wasm": "^4.12.0",
 		"ioredis": "^5.11.1",
 		"jpeg-js": "^0.4.4",
@@ -55,6 +56,7 @@
 		"sanitize-html": "^2.17.5",
 		"sonner": "^2.0.7",
 		"tailwind-merge": "^3.6.0",
+		"tailwindcss-animate": "^1.0.7",
 		"zod": "^3.24.0"
 	},
 	"devDependencies": {