Enhance UI consistency across multiple components: Update SectionTitle sizes and margins in StyleGuidePage, AdminPanel, ChallengesSection, HousesSection, LeaderboardSection, and ProfileForm. Add descriptive subtitles and additional text for improved user guidance.

components/leaderboard/LeaderboardSection.tsx

@@ -74,12 +74,17 @@ export default function LeaderboardSection({
       {/* Title Section */}
       <SectionTitle
         variant="gradient"
-        size="lg"
+        size="xl"
         subtitle="Top Players"
-        className="mb-12 overflow-hidden"
+        className="mb-16"
       >
         LEADERBOARD
       </SectionTitle>
+      <p className="text-gray-400 text-sm max-w-2xl mx-auto text-center mb-16">
+        Consultez le classement des meilleurs joueurs et des maisons les plus
+        performantes. Montez dans les rangs en participant aux événements et en
+        relevant des défis
+      </p>
 
       {/* Players Leaderboard Table */}
       <div className="bg-black/60 border border-pixel-gold/30 rounded-lg backdrop-blur-sm overflow-x-auto">