fix wrapping

apps/web/app/page.tsx

@@ -9,7 +9,7 @@ export default function Home() {
     <>
       {/* Hero */}
       <section className="max-w-5xl mx-auto px-6 pt-24 pb-16 text-center">
-        <h1 className="text-5xl md:text-7xl font-bold tracking-tighter mb-6">
+        <h1 className="text-4xl sm:text-5xl md:text-7xl font-bold tracking-tighter mb-6">
           JSON becomes UI
         </h1>
         <p className="text-lg text-muted-foreground max-w-2xl mx-auto mb-12 leading-relaxed">