diff --git a/frontend/src/App.jsx b/frontend/src/App.jsx
index dfe49cf..bebd6f8 100644
--- a/frontend/src/App.jsx
+++ b/frontend/src/App.jsx
@@ -29,6 +29,16 @@ export default function App() {
   const [sessionLoading, setSessionLoading] = useState(true);
 
   useEffect(() => {
+    // Detección inteligente de subdominio en producción
+    const hostname = window.location.hostname;
+    const pathname = window.location.pathname;
+
+    if (hostname === "app.repairit.cloud" && pathname === "/") {
+      window.location.href = "/dashboard";
+    } else if (hostname === "tracking.repairit.cloud" && pathname === "/") {
+      window.location.href = "/seguimiento/demo-id";
+    }
+
     const { data: { subscription } } = supabase.auth.onAuthStateChange(async (event, session) => {
       if (session) {
         localStorage.setItem("repairit_token", session.access_token);
@@ -84,7 +94,11 @@ export default function App() {
               localStorage.setItem("repairit_user", JSON.stringify(userData));
               
               if (event === "SIGNED_IN") {
-                window.location.href = "/dashboard";
+                if (window.location.hostname.includes("repairit.cloud")) {
+                  window.location.href = "https://app.repairit.cloud/dashboard";
+                } else {
+                  window.location.href = "/dashboard";
+                }
               }
             }
           } catch (err) {
diff --git a/frontend/src/views/public/LandingPage.jsx b/frontend/src/views/public/LandingPage.jsx
index 4ba05df..c3f367d 100644
--- a/frontend/src/views/public/LandingPage.jsx
+++ b/frontend/src/views/public/LandingPage.jsx
@@ -32,7 +32,20 @@ export default function LandingPage() {
   const handleSearch = (e) => {
     e.preventDefault();
     if (trackingId.trim()) {
-      navigate(`/seguimiento/${trackingId.trim()}`);
+      if (window.location.hostname.includes("repairit.cloud")) {
+        window.location.href = `https://tracking.repairit.cloud/seguimiento/${trackingId.trim()}`;
+      } else {
+        navigate(`/seguimiento/${trackingId.trim()}`);
+      }
+    }
+  };
+
+  const handleDemoClick = () => {
+    setTrackingId("demo-id");
+    if (window.location.hostname.includes("repairit.cloud")) {
+      window.location.href = "https://tracking.repairit.cloud/seguimiento/demo-id";
+    } else {
+      navigate("/seguimiento/demo-id");
     }
   };
 
@@ -102,7 +115,7 @@ export default function LandingPage() {
 
           {/* Ejemplo rápido para testing */}
           <div className="text-xs text-muted-foreground font-medium">
-            ¿Querés probar? Ingresá <span onClick={() => { setTrackingId("demo-id"); navigate("/seguimiento/demo-id"); }} className="text-primary hover:underline cursor-pointer font-bold">demo-id</span> para ver una reparación simulada.
+            ¿Querés probar? Ingresá <span onClick={handleDemoClick} className="text-primary hover:underline cursor-pointer font-bold">demo-id</span> para ver una reparación simulada.
           </div>
 
         </div>