refactor: rename Node page to Nodes and reorganize network page sections

- Renamed NodePage component and directory to NodesPage/nodes for consistency
- Updated all navigation links from "Node" to "Nodes" across headers and footer
- Replaced anchor tags with React Router Link components for proper SPA navigation
- Reorganized NetworkPage component order and added NetworkPros section
- Converted NetworkUsecases from horizontal slider to responsive grid layout
- Added new use cases for adaptive mesh and compute fabric
- Update

src/pages/nodes/NodeHero.tsx

@@ -0,0 +1,40 @@
+'use client'
+
+import { Button } from '@/components/Button'
+import { Eyebrow, H3, P } from '@/components/Texts'
+
+export function NodeHero() {
+  return (
+    <div className="">
+      {/* Boxed container */}
+      <div
+        className="relative mx-auto max-w-7xl border border-t-0 border-b-0 border-gray-100 bg-white overflow-hidden"
+      >
+        {/* Inner padding */}
+        <div className="px-6 py-16 lg:py-16">
+          <div className="max-w-3xl mx-auto text-center">
+            <Eyebrow>MYCELIUM NODES</Eyebrow>
+            <H3 as="h1" className="mt-4">
+              Host a Node. Power the Network.
+            </H3>
+            <P className="mt-6 text-gray-800">
+              The Mycelium Network runs on nodes hosted by people and organizations around the world. Each node adds capacity, resilience, and sovereignty, expanding a global network for private, distributed compute and AI. 
+            </P>
+            
+            <div className="mt-10 flex items-center justify-center gap-x-6">
+              <Button href="/host" variant="solid" color="cyan">
+                Host a Node
+              </Button>
+              <Button href="#" variant="outline">
+                Learn More
+              </Button>
+            </div>
+          </div>
+        </div>
+      </div>
+      {/* ✅ Bottom horizontal line with spacing */}
+      <div className="w-full border-b  border-gray-100" />
+      <div className="max-w-7xl bg-transparent mx-auto py-6 border border-t-0 border-b-0 border-gray-100"></div>
+    </div>
+  )
+}