feat(ADM-018): completed feature

project/storefront/src/components/site-footer.tsx

@@ -0,0 +1,10 @@
+export function SiteFooter() {
+  return (
+    <footer className="border-t border-emerald-900/10 bg-white">
+      <div className="mx-auto flex max-w-6xl flex-col gap-2 px-6 py-8 text-sm text-stone-600 md:flex-row md:items-center md:justify-between">
+        <p>© {new Date().getFullYear()} MercadoDeVida</p>
+        <p>Alimentación consciente, datos claros y compra sin sorpresas.</p>
+      </div>
+    </footer>
+  );
+}