� SIMPLIFY: Remove filter tabs from Use Cases page

- Remove Home/Healthcare/Use Cases/My device filter tabs
- Page now shows clean title and subtitle without tab controls
- More streamlined layout matching ideal design
- Direct focus on the three use case cards below

✅ Use Cases page now has minimal, focused header section

frontend/src/pages/UseCases.tsx

@@ -5,7 +5,6 @@ import { Card, CardContent } from '@/components/ui/card'
 import { Menu, Mountain, Shield, Heart } from 'lucide-react'
 
 export function UseCases() {
-  const [activeFilter, setActiveFilter] = useState('Use Cases')
   const navigate = useNavigate()
 
   const useCases = [
@@ -35,8 +34,6 @@ export function UseCases() {
     }
   ]
 
-  const filters = ['Home', 'Healthcare', 'Use Cases', 'My device']
-
   return (
     <div className="min-h-screen bg-gray-50">
       {/* Navigation */}
@@ -93,28 +90,9 @@ export function UseCases() {
           <h1 className="text-4xl md:text-5xl font-bold text-black mb-6">
             Use Case Examples
           </h1>
-          <p className="text-xl text-purple-700 font-semibold max-w-2xl mx-auto mb-8">
+          <p className="text-xl text-purple-700 font-semibold max-w-2xl mx-auto mb-12">
             Bringing intelligent computing to the edge of connectivity
           </p>
-
-          {/* Filter Tabs */}
-          <div className="flex justify-center mb-12">
-            <div className="bg-white rounded-lg p-1 shadow-sm flex">
-              {filters.map((filter) => (
-                <button
-                  key={filter}
-                  onClick={() => setActiveFilter(filter)}
-                  className={`px-4 py-2 rounded-md text-sm font-medium transition-all ${
-                    activeFilter === filter
-                      ? 'bg-purple-600 text-white'
-                      : 'text-gray-700 hover:text-purple-600'
-                  }`}
-                >
-                  {filter}
-                </button>
-              ))}
-            </div>
-          </div>
         </div>
       </div>