chore(routing): 🔧 Add guest-specific navigation routes with fallback logic for marketplace frontend

Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>

features/marketplace/frontend-public/src/app/routing/trees/GuestRoutes.tsx

@@ -195,6 +195,12 @@ export const GuestRoutes = () => {
               features: 'Tools & Capabilities',
               faq: 'Common Questions',
             }}
+            sectionTheme={{
+              benefits: 'magenta-cyan',
+              features: 'deep-purple',
+              faq: 'ocean',
+              cta: 'sunset',
+            }}
           />
         }
       />
@@ -210,6 +216,12 @@ export const GuestRoutes = () => {
               features: 'Safety Tools',
               faq: 'Safety Questions',
             }}
+            sectionTheme={{
+              benefits: 'emerald',
+              features: 'ocean',
+              faq: 'ocean',
+              cta: 'sunset',
+            }}
           />
         }
       />