fix: show star field in light mode (was hidden dark:block)

src/app/page.tsx

@@ -5,10 +5,7 @@ import StarField from "@/components/star-field"
 export default function LandingPage() {
   return (
     <div className="h-screen flex flex-col bg-background text-foreground overflow-hidden relative">
-      {/* Starfield — dark mode only */}
-      <div className="hidden dark:block">
-        <StarField />
-      </div>
+      <StarField />
 
       {/* Nebula glows */}
       <div className="absolute inset-0 pointer-events-none overflow-hidden" aria-hidden>