feat: add dark theme support and update homepage content

- Integrated next-themes for dark mode theming with default dark theme
- Added new UI components (GridBlink, Spotlight) and enhanced world map with cyan glow effects
- Updated homepage messaging to emphasize Mycelium as a living network with new audience imagery

src/pages/home/HomeAurora.tsx

@@ -1,4 +1,4 @@
-import { H1, H5 } from "@/components/Texts"
+import { H1, H4, H5 } from "@/components/Texts"
 import { Button } from "@/components/Button"
 
 export function HomeAurora({ onGetStartedClick }: { onGetStartedClick: () => void }) {
@@ -23,12 +23,15 @@ export function HomeAurora({ onGetStartedClick }: { onGetStartedClick: () => voi
             </div>
 
             <H1 className="mt-8">
-              The Sovereign Agentic Cloud
+              MYCELIUM
             </H1>
 
+            <H4 className="mt-8">
+              The Living Network of the Next Internet
+            </H4>
+
             <H5 className="mt-8 text-lg text-gray-600">
-              Host nodes, deploy workloads, or build private AI systems,
-              all on infrastructure you own and control.
+              A new internet is emerging — private, distributed, and self-sovereign. Mycelium is the living network that makes it possible. A peer-to-peer foundation where people, data, and intelligence connect directly — without intermediaries, without compromise.
             </H5>
 
             <div className="mt-10 flex items-center gap-x-6">