refactor: adjust spacing and styling across multiple components for visual consistency

- Increased HomeAurora subtitle margin from mt-4 to mt-6 for better spacing
- Added bg-white to HomeDesign content container for explicit background
- Removed bg-white from HomeTab top separator div
- Reduced network Hero title margin from mt-8 to mt-4 and second paragraph margin from mt-6 to mt-4
- Changed network Hero secondary button variant from cyan to dark
- Reduced NetworkPros title margin from mt-4 to mt-2

src/pages/pods/Homepod.tsx

@@ -46,7 +46,7 @@ export default function Homepod() {
                 Join the Waitlist
               </Button>
               <Button to="#" variant="outline">
-                Explore Docs →
+                Explore Docs
               </Button>
             </div>
           </div>