fix(ui): hide SubNavigation on home page, reorder sections, remove description

app/layouts/topnav.vue

@@ -19,8 +19,8 @@
     <!-- Global Search Bar -->
     <GlobalSearchBar v-if="showSearch" class="border-b border-base-300" />
 
-    <!-- Sub Navigation (section-specific tabs) -->
-    <SubNavigation :section="currentSection" />
+    <!-- Sub Navigation (section-specific tabs) - hidden on home page -->
+    <SubNavigation v-if="!isHomePage" :section="currentSection" />
 
     <!-- Page content -->
     <main class="flex-1 flex flex-col min-h-0 px-3 lg:px-6 py-4">
@@ -80,11 +80,14 @@ const currentSection = computed(() => {
   return 'catalog'
 })
 
-// Show search bar only on main page
-const showSearch = computed(() => {
+// Home page detection
+const isHomePage = computed(() => {
   return route.path === '/' || route.path === '/en' || route.path === '/ru'
 })
 
+// Show search bar only on main page
+const showSearch = computed(() => isHomePage.value)
+
 // Avatar generation
 const generateUserAvatar = async (seed: string) => {
   if (!seed) return

app/pages/index.vue

@@ -34,7 +34,6 @@
     <Section variant="plain">
       <Stack gap="8" align="center">
           <Heading :level="2">{{ $t('roles.title') }}</Heading>
-          <Text align="center" tone="muted">{{ $t('about.description') }}</Text>
 
           <Grid :cols="1" :md="3" :gap="6">
             <Card padding="lg">