diff --git a/app/(dashboard)/analytics/page.tsx b/app/(dashboard)/analytics/page.tsx
index e6fd239..2ee30ba 100644
--- a/app/(dashboard)/analytics/page.tsx
+++ b/app/(dashboard)/analytics/page.tsx
@@ -3,7 +3,7 @@ import { AnalyticsClient } from "./analytics-client";
 import { redirect } from "next/navigation";
 
 export const metadata = {
-  title: "Analizler - Cognis",
+  title: "Analizler - Revanios",
 };
 
 export default async function AnalyticsPage() {
diff --git a/app/(dashboard)/documents/page.tsx b/app/(dashboard)/documents/page.tsx
index 0e1d9ea..c9017c3 100644
--- a/app/(dashboard)/documents/page.tsx
+++ b/app/(dashboard)/documents/page.tsx
@@ -33,7 +33,7 @@ const documents = [
     date: "May 08, 2026", 
     category: "Design", 
     starred: false,
-    summary: "Core design tokens, typography, and color palette for the Cognis rebrand.",
+    summary: "Core design tokens, typography, and color palette for the Revanios rebrand.",
     owner: "Alex R.",
     tags: ["Design", "UI", "Branding"],
     aiAnalysis: "Identifies 'Cyber-Lavender' as the primary action color. Typography is set to Geist Sans."
diff --git a/app/(dashboard)/goals/page.tsx b/app/(dashboard)/goals/page.tsx
index db26b60..ac0b1a4 100644
--- a/app/(dashboard)/goals/page.tsx
+++ b/app/(dashboard)/goals/page.tsx
@@ -28,7 +28,7 @@ const goals = [
   },
   { 
     id: 2, 
-    title: "Launch Cognis AI Mobile App", 
+    title: "Launch Revanios AI Mobile App", 
     category: "Product", 
     progress: 85, 
     deadline: "May 25, 2026", 
@@ -238,7 +238,7 @@ export default function GoalsPage() {
                       <div className="flex items-center gap-3">
                         <div className="p-2 bg-blue-500/10 rounded-sm"><Briefcase className="h-4 w-4 text-blue-400" /></div>
                         <div>
-                          <div className="text-xs font-bold">Project: Cognis App</div>
+                          <div className="text-xs font-bold">Project: Revanios App</div>
                           <div className="text-[9px] text-muted-foreground uppercase mt-1">Core Requirement</div>
                         </div>
                       </div>
diff --git a/app/(dashboard)/layout.tsx b/app/(dashboard)/layout.tsx
index 9c682bc..16a3422 100644
--- a/app/(dashboard)/layout.tsx
+++ b/app/(dashboard)/layout.tsx
@@ -24,7 +24,7 @@ export default async function DashboardLayout({
     redirect("/portal");
   }
 
-  const fallbackName = user?.email?.split("@")[0] ?? "Cognis Kullanıcısı";
+  const fallbackName = user?.email?.split("@")[0] ?? "Revanios Kullanıcısı";
   const displayName =
     [profile?.first_name, profile?.last_name].filter(Boolean).join(" ") ||
     fallbackName;
diff --git a/app/(dashboard)/page.tsx b/app/(dashboard)/page.tsx
index fd00340..a77a39a 100644
--- a/app/(dashboard)/page.tsx
+++ b/app/(dashboard)/page.tsx
@@ -3,7 +3,7 @@ import { DashboardClient } from "./dashboard-client";
 import { redirect } from "next/navigation";
 
 export const metadata = {
-  title: "Dashboard - Cognis",
+  title: "Dashboard - Revanios",
 };
 
 export default async function DashboardPage() {
diff --git a/app/api/chat/route.ts b/app/api/chat/route.ts
index 06eab40..5bf5104 100644
--- a/app/api/chat/route.ts
+++ b/app/api/chat/route.ts
@@ -44,7 +44,7 @@ export async function POST(request: Request) {
 
     const result = streamText({
       model,
-      system: `Sen Cognis içindeki kişisel Freelancer OS asistanısın.
+      system: `Sen Revanios içindeki kişisel Freelancer OS asistanısın.
 Kullanıcının kayıtlı verileri hakkında kısa, net ve Türkçe cevap ver.
 Veri yoksa bunu açıkça söyle. Klinik, finansal veya hukuki kesin hüküm verme.
 
diff --git a/app/layout.tsx b/app/layout.tsx
index 6b644fe..fd96f08 100644
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -1,4 +1,4 @@
-import type { Metadata } from "next";
+import type { Metadata, Viewport } from "next";
 import "./globals.css";
 import { Geist } from "next/font/google";
 import { cn } from "@/lib/utils";
@@ -8,17 +8,20 @@ import { OfflineIndicator } from "@/components/ui/offline-indicator";
 const geist = Geist({ subsets: ["latin"], variable: "--font-sans" });
 
 export const metadata: Metadata = {
-  title: "Cognis",
+  title: "Revanios",
   description: "Self-hosted freelancer operating dashboard",
   manifest: "/manifest.json",
-  themeColor: "#ffffff",
   appleWebApp: {
     capable: true,
     statusBarStyle: "default",
-    title: "Cognis",
+    title: "Revanios",
   },
 };
 
+export const viewport: Viewport = {
+  themeColor: "#ffffff",
+};
+
 export default function RootLayout({
   children,
 }: Readonly<{
diff --git a/app/login/page.tsx b/app/login/page.tsx
index 37c3a4b..2ee763b 100644
--- a/app/login/page.tsx
+++ b/app/login/page.tsx
@@ -23,7 +23,7 @@ export default async function LoginPage({
       {error && message && <ErrorToaster message={String(message)} />}
       <AuthPageShell
         title="Giriş yap"
-        description="Cognis çalışma alanına erişmek için hesabına giriş yap."
+        description="Revanios çalışma alanına erişmek için hesabına giriş yap."
         form={
           <form className="space-y-6">
             <div className="space-y-4">
diff --git a/app/register/page.tsx b/app/register/page.tsx
index 2cc0832..d442a60 100644
--- a/app/register/page.tsx
+++ b/app/register/page.tsx
@@ -35,7 +35,7 @@ export default async function RegisterPage({
       {error && message && <ErrorToaster message={String(message)} />}
       <AuthPageShell
         title="İlk admin hesabını oluştur"
-        description="Bu self-host kurulumu için Cognis çalışma alanının ilk yönetici hesabını oluştur."
+        description="Bu self-host kurulumu için Revanios çalışma alanının ilk yönetici hesabını oluştur."
         form={
           <form className="space-y-6">
             <div className="space-y-4">