diff --git a/apps/web/src/layouts/Layout.astro b/apps/web/src/layouts/Layout.astro
index 638e8d6..2fe708d 100644
--- a/apps/web/src/layouts/Layout.astro
+++ b/apps/web/src/layouts/Layout.astro
@@ -7,7 +7,11 @@ interface Props {
   noindex?: boolean;
 }
 
-// Astro.currentLocale tracks the language code matched by the URL even when the route is rewritten via fallback.
+// Locale resolution order (Vercel rewrites lose the prefix from Astro's view,
+// so we look in three places, top-priority first):
+//   1. ?_locale= query param injected by the vercel.json rewrites
+//   2. Astro.currentLocale — set when Astro's own i18n routing matches
+//   3. URL prefix (covers local dev with the Astro server)
 const CURRENT_TO_LOCALE: Record<string, Locale> = {
   en: "en",
   "pt-br": "pt-BR",
@@ -16,8 +20,17 @@ const CURRENT_TO_LOCALE: Record<string, Locale> = {
   es: "es",
   fr: "fr",
 };
-const cl = Astro.currentLocale;
-const locale: Locale = (cl && CURRENT_TO_LOCALE[cl]) || "en";
+
+function resolveLocale(): Locale {
+  const fromQuery = Astro.url.searchParams.get("_locale");
+  if (fromQuery && CURRENT_TO_LOCALE[fromQuery]) return CURRENT_TO_LOCALE[fromQuery];
+  const cl = Astro.currentLocale;
+  if (cl && CURRENT_TO_LOCALE[cl]) return CURRENT_TO_LOCALE[cl];
+  const seg = Astro.url.pathname.split("/").filter(Boolean)[0]?.toLowerCase();
+  if (seg && CURRENT_TO_LOCALE[seg]) return CURRENT_TO_LOCALE[seg];
+  return "en";
+}
+const locale = resolveLocale();
 setLocale(locale);
 
 const {
diff --git a/apps/web/vercel.json b/apps/web/vercel.json
index 260d426..a761fcb 100644
--- a/apps/web/vercel.json
+++ b/apps/web/vercel.json
@@ -1,4 +1,15 @@
 {
+  "rewrites": [
+    { "source": "/pt-br", "destination": "/?_locale=pt-BR" },
+    { "source": "/pt-br/", "destination": "/?_locale=pt-BR" },
+    { "source": "/pt-br/:path*", "destination": "/:path*?_locale=pt-BR" },
+    { "source": "/es", "destination": "/?_locale=es" },
+    { "source": "/es/", "destination": "/?_locale=es" },
+    { "source": "/es/:path*", "destination": "/:path*?_locale=es" },
+    { "source": "/fr", "destination": "/?_locale=fr" },
+    { "source": "/fr/", "destination": "/?_locale=fr" },
+    { "source": "/fr/:path*", "destination": "/:path*?_locale=fr" }
+  ],
   "headers": [
     {
       "source": "/(.*)",