diff --git a/nginx/studio.conf b/nginx/studio.conf
index b0a8d50..d5f4431 100644
--- a/nginx/studio.conf
+++ b/nginx/studio.conf
@@ -2,7 +2,83 @@
 # This overrides the default location block to route API requests correctly
 
 # API routes that need to go to port 3001
+# Prefer the explicit `/cms-api/*` prefix for frontend fetches. This avoids collisions
+# with Next.js pages like `/courses` and `/admin` that share the same host.
+location /cms-api/ {
+    rewrite ^/cms-api/(.*)$ /$1 break;
+    proxy_pass http://openccb-studio:3001;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
+    proxy_set_header Connection "";
+    proxy_http_version 1.1;
+}
+
+# Auth pages like GET /auth/login and GET /auth/register must be served by Next.js (3000),
+# while the auth API endpoints (POST /auth/login, POST /auth/register, /auth/me, /auth/sso/*)
+# must continue to go to the CMS backend (3001).
+location @studio_frontend_auth {
+    proxy_pass http://openccb-studio:3000;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
+    proxy_set_header Connection "";
+    proxy_http_version 1.1;
+}
+
 location = /auth/login {
+    error_page 418 = @studio_frontend_auth;
+    if ($request_method != POST) {
+        return 418;
+    }
+
+    proxy_pass http://openccb-studio:3001;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
+    proxy_set_header Connection "";
+    proxy_http_version 1.1;
+}
+
+location = /auth/register {
+    error_page 418 = @studio_frontend_auth;
+    if ($request_method != POST) {
+        return 418;
+    }
+
+    proxy_pass http://openccb-studio:3001;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
+    proxy_set_header Connection "";
+    proxy_http_version 1.1;
+}
+
+location = /auth/callback {
+    proxy_pass http://openccb-studio:3000;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
+    proxy_set_header Connection "";
+    proxy_http_version 1.1;
+}
+
+location = /auth/me {
+    proxy_pass http://openccb-studio:3001;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
+    proxy_set_header Connection "";
+    proxy_http_version 1.1;
+}
+
+location /auth/sso/ {
     proxy_pass http://openccb-studio:3001;
     proxy_set_header Host $host;
     proxy_set_header X-Real-IP $remote_addr;
@@ -52,7 +128,21 @@ location = /branding {
     proxy_http_version 1.1;
 }
 
-location /courses/ {
+# `GET /courses` is ambiguous: the dashboard API uses it for JSON, but the Studio frontend
+# also uses `/courses` as a page route and for RSC/prefetch requests.
+# Route page/navigation-style requests to Next.js (3000), and keep API fetches on the CMS backend (3001).
+location = /courses {
+    error_page 418 = @studio_frontend_auth;
+    if ($http_accept ~* "text/html|text/x-component") {
+        return 418;
+    }
+    if ($http_rsc != "") {
+        return 418;
+    }
+    if ($http_next_router_state_tree != "") {
+        return 418;
+    }
+
     proxy_pass http://openccb-studio:3001;
     proxy_set_header Host $host;
     proxy_set_header X-Real-IP $remote_addr;
@@ -62,6 +152,26 @@ location /courses/ {
     proxy_http_version 1.1;
 }
 
+location = /courses/ {
+    proxy_pass http://openccb-studio:3000;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
+    proxy_set_header Connection "";
+    proxy_http_version 1.1;
+}
+
+location /courses/ {
+    proxy_pass http://openccb-studio:3000;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
+    proxy_set_header Connection "";
+    proxy_http_version 1.1;
+}
+
 location /modules/ {
     proxy_pass http://openccb-studio:3001;
     proxy_set_header Host $host;
@@ -122,6 +232,26 @@ location /question-bank/ {
     proxy_http_version 1.1;
 }
 
+location = /admin {
+    proxy_pass http://openccb-studio:3000;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
+    proxy_set_header Connection "";
+    proxy_http_version 1.1;
+}
+
+location = /admin/ {
+    proxy_pass http://openccb-studio:3000;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
+    proxy_set_header Connection "";
+    proxy_http_version 1.1;
+}
+
 location /admin/ {
     proxy_pass http://openccb-studio:3001;
     proxy_set_header Host $host;
diff --git a/web/experience/src/lib/api.ts b/web/experience/src/lib/api.ts
index 0a12a95..b31070e 100644
--- a/web/experience/src/lib/api.ts
+++ b/web/experience/src/lib/api.ts
@@ -1,10 +1,13 @@
 const getApiBaseUrl = (defaultPort: string, envVar?: string) => {
+    if (envVar && envVar.trim() !== '') {
+        return envVar;
+    }
     if (typeof window !== 'undefined') {
         const hostname = window.location.hostname;
         const protocol = window.location.protocol;
         return `${protocol}//${hostname}:${defaultPort}`;
     }
-    return envVar || `http://localhost:${defaultPort}`;
+    return `http://localhost:${defaultPort}`;
 };
 
 export const getLmsApiUrl = () => getApiBaseUrl("3002", process.env.NEXT_PUBLIC_LMS_API_URL);
diff --git a/web/studio/src/lib/api.ts b/web/studio/src/lib/api.ts
index c837803..3f67970 100644
--- a/web/studio/src/lib/api.ts
+++ b/web/studio/src/lib/api.ts
@@ -1,27 +1,28 @@
 const getApiBaseUrl = (defaultPort: string, envVar?: string) => {
-    // Producción - dominios específicos
+    // Prefer explicit environment configuration when available. This allows production
+    // deployments to use a dedicated API prefix like `/cms-api` and avoids collisions
+    // between Next.js pages (e.g. `/courses`) and backend endpoints with the same path.
+    if (envVar && envVar.trim() !== '') {
+        return envVar;
+    }
+
     if (typeof window !== 'undefined') {
         const hostname = window.location.hostname;
         const protocol = window.location.protocol;
-        
-        // Forzar URLs correctas para producción (sin puerto)
+
+        // Producción - dominios específicos (fallback sin prefijo)
         if (hostname === 'studio.norteamericano.com') {
             return `${protocol}//studio.norteamericano.com`;
         }
         if (hostname === 'learning.norteamericano.com') {
             return `${protocol}//learning.norteamericano.com`;
         }
-        
-        // Usar variable de entorno si está definida
-        if (envVar && envVar.trim() !== '') {
-            return envVar;
-        }
-        
+
         // Desarrollo local
         return `${protocol}//${hostname}:${defaultPort}`;
     }
-    
-    return envVar || `http://localhost:${defaultPort}`;
+
+    return `http://localhost:${defaultPort}`;
 };
 
 export const API_BASE_URL = getApiBaseUrl("3001", process.env.NEXT_PUBLIC_CMS_API_URL);