first commit

src/components/TopBar.tsx

@@ -0,0 +1,21 @@
+import Link from "next/link";
+import { PROMO } from "@/data/site";
+
+// Slim promo strip above the header — the reference storefront's
+// `.header_banner_wrapper`, rebuilt as type instead of a baked GIF so the
+// copy stays editable.
+export default function TopBar() {
+  return (
+    <div className="w-full bg-brand text-white">
+      <div className="boxed flex h-10 items-center justify-center gap-3 text-[13px]">
+        <span className="truncate">{PROMO.text}</span>
+        <Link
+          href={PROMO.href}
+          className="hidden shrink-0 rounded-full bg-white/15 px-3 py-1 text-[12px] font-bold transition hover:bg-white/25 sm:inline-block"
+        >
+          {PROMO.cta}
+        </Link>
+      </div>
+    </div>
+  );
+}