style(pastel): unify card title sizes with figlet

app/(app)/pastel/distinct/page.tsx

@@ -51,7 +51,7 @@ export default function DistinctPage() {
           <div className="lg:col-span-1">
             <div className="p-6 border rounded-lg bg-card space-y-6">
               <div>
-                <h2 className="text-xl font-semibold mb-4">Settings</h2>
+                <h2 className="text-sm font-medium mb-4">Settings</h2>
               </div>
 
               <div>
@@ -128,7 +128,7 @@ export default function DistinctPage() {
           {/* Results */}
           <div className="lg:col-span-2 space-y-6">
             <div className="p-6 border rounded-lg bg-card">
-              <h2 className="text-xl font-semibold mb-4">
+              <h2 className="text-sm font-medium mb-4">
                 Generated Colors {colors.length > 0 && `(${colors.length})`}
               </h2>
               <PaletteGrid colors={colors} />