diff --git a/app/[workspace]/activity/page.tsx b/app/[workspace]/activity/page.tsx
index 8fcb00d..be852e8 100644
--- a/app/[workspace]/activity/page.tsx
+++ b/app/[workspace]/activity/page.tsx
@@ -32,7 +32,7 @@ function typeColor(t: string) {
 
 const FILTERS = [
   { id: "all",    label: "All" },
-  { id: "atlas",  label: "Atlas" },
+  { id: "atlas",  label: "Vibn" },
   { id: "build",  label: "Builds" },
   { id: "deploy", label: "Deploys" },
   { id: "user",   label: "You" },
diff --git a/app/[workspace]/project/[projectId]/build/page.tsx b/app/[workspace]/project/[projectId]/build/page.tsx
index 507f812..7ae5535 100644
--- a/app/[workspace]/project/[projectId]/build/page.tsx
+++ b/app/[workspace]/project/[projectId]/build/page.tsx
@@ -1022,14 +1022,14 @@ function PrdContent({ projectId }: { projectId: string }) {
               )}
               {!s.isDone && (
                 <div style={{ marginTop: 5, marginLeft: 32, fontSize: "0.7rem", color: "#c5c0b8" }}>
-                  {s.phaseId ? "Complete this phase in Atlas" : "Generated when PRD is finalized"}
+                  {s.phaseId ? "Complete this phase in Vibn" : "Generated when PRD is finalized"}
                 </div>
               )}
             </div>
           ))}
 
           {doneCount === 0 && (
-            <p style={{ fontSize: "0.76rem", color: "#b5b0a6", marginTop: 16, textAlign: "center" }}>Continue chatting with Atlas — saved phases appear here automatically.</p>
+            <p style={{ fontSize: "0.76rem", color: "#b5b0a6", marginTop: 16, textAlign: "center" }}>Continue chatting with Vibn — saved phases appear here automatically.</p>
           )}
         </div>
       )}
diff --git a/app/[workspace]/project/[projectId]/deployment/page.tsx b/app/[workspace]/project/[projectId]/deployment/page.tsx
index f6c020d..2104797 100644
--- a/app/[workspace]/project/[projectId]/deployment/page.tsx
+++ b/app/[workspace]/project/[projectId]/deployment/page.tsx
@@ -140,7 +140,7 @@ export default function DeploymentPage() {
             <div style={{ padding: "18px 0", textAlign: "center" }}>
               <p style={{ fontSize: "0.82rem", color: "#a09a90", marginBottom: 12 }}>
                 {!hasPRD
-                  ? "Complete your PRD with Atlas first, then build and deploy."
+                  ? "Complete your PRD with Vibn first, then build and deploy."
                   : !hasRepo
                   ? "No repository yet — the Architect agent will scaffold one from your PRD."
                   : "No deployment yet — kick off a build to get a live URL."}
diff --git a/app/[workspace]/project/[projectId]/prd/page.tsx b/app/[workspace]/project/[projectId]/prd/page.tsx
index 91469af..e3b6342 100644
--- a/app/[workspace]/project/[projectId]/prd/page.tsx
+++ b/app/[workspace]/project/[projectId]/prd/page.tsx
@@ -374,7 +374,7 @@ export default function PRDPage() {
               {!s.isDone && (
                 <div style={{ marginTop: 6, marginLeft: 36, fontSize: "0.72rem", color: "#c5c0b8" }}>
                   {s.phaseId
-                    ? `Complete the ${s.savedPhase ? s.savedPhase.title : "discovery"} phase in Atlas`
+                    ? `Complete the ${s.savedPhase ? s.savedPhase.title : "discovery"} phase in Vibn`
                     : "Will be generated when PRD is finalized"}
                 </div>
               )}
@@ -383,7 +383,7 @@ export default function PRDPage() {
 
           {doneCount === 0 && (
             <p style={{ fontSize: "0.78rem", color: "#b5b0a6", marginTop: 20, textAlign: "center" }}>
-              Continue chatting with Atlas — saved phases will appear here automatically.
+              Continue chatting with Vibn — saved phases will appear here automatically.
             </p>
           )}
         </div>
diff --git a/app/[workspace]/projects/page.tsx b/app/[workspace]/projects/page.tsx
index d488430..b2a5f2b 100644
--- a/app/[workspace]/projects/page.tsx
+++ b/app/[workspace]/projects/page.tsx
@@ -299,7 +299,7 @@ export default function ProjectsPage() {
             No projects yet
           </h3>
           <p style={{ fontSize: "0.82rem", color: "#a09a90", lineHeight: 1.6, marginBottom: 24 }}>
-            Tell Atlas what you want to build and it will figure out the rest.
+            Tell Vibn what you want to build and it will figure out the rest.
           </p>
           <button
             onClick={() => setShowNew(true)}
diff --git a/app/api/projects/[projectId]/advisor/route.ts b/app/api/projects/[projectId]/advisor/route.ts
index 35710fa..b48636d 100644
--- a/app/api/projects/[projectId]/advisor/route.ts
+++ b/app/api/projects/[projectId]/advisor/route.ts
@@ -92,7 +92,7 @@ Operating principles:
     for (const p of phaseRows) {
       lines.push(`- ${p.title}: ${p.summary}`);
     }
-    lines.push(`(PRD not yet finalized — Atlas discovery is in progress)`);
+    lines.push(`(PRD not yet finalized — Vibn discovery is in progress)`);
   } else {
     lines.push(`\n## Product discovery: not yet started`);
   }
diff --git a/app/api/projects/[projectId]/atlas-chat/route.ts b/app/api/projects/[projectId]/atlas-chat/route.ts
index 018f5d2..527b429 100644
--- a/app/api/projects/[projectId]/atlas-chat/route.ts
+++ b/app/api/projects/[projectId]/atlas-chat/route.ts
@@ -133,7 +133,7 @@ export async function POST(
       body: JSON.stringify({
         // For init, send the greeting prompt but don't store it as a user message
         message: isInit
-          ? "Begin the conversation. Introduce yourself as Atlas and ask what the user is building. Do not acknowledge this as an internal trigger."
+          ? "Begin the conversation. Introduce yourself as Vibn and ask what the user is building. Do not acknowledge this as an internal trigger."
           : message,
         session_id: sessionId,
         history,
@@ -146,7 +146,7 @@ export async function POST(
       const text = await res.text();
       console.error("[atlas-chat] Agent runner error:", text);
       return NextResponse.json(
-        { error: "Atlas is unavailable. Please try again." },
+        { error: "Vibn is unavailable. Please try again." },
         { status: 502 }
       );
     }
diff --git a/app/layout.tsx b/app/layout.tsx
index 3393501..aec0b3e 100644
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -24,8 +24,8 @@ const ibmPlexMono = IBM_Plex_Mono({
 });
 
 export const metadata: Metadata = {
-  title: "VIBN — Build with Atlas",
-  description: "Chat with Atlas to define your product, then let AI build it.",
+  title: "VIBN — Build with Vibn",
+  description: "Chat with Vibn to define your product, then let AI build it.",
   manifest: "/manifest.json",
   appleWebApp: {
     capable: true,
diff --git a/components/AtlasChat.tsx b/components/AtlasChat.tsx
index 0e6e41c..94c11f8 100644
--- a/components/AtlasChat.tsx
+++ b/components/AtlasChat.tsx
@@ -151,7 +151,7 @@ function MessageRow({
           marginBottom: 5, textTransform: "uppercase", letterSpacing: "0.04em",
           fontFamily: "Outfit, sans-serif",
         }}>
-          {isAtlas ? "Atlas" : "You"}
+          {isAtlas ? "Vibn" : "You"}
         </div>
         {/* Content */}
         <div style={{
@@ -448,7 +448,7 @@ export function AtlasChat({ projectId }: AtlasChatProps) {
           }}>A</div>
           <style>{`@keyframes breathe { 0%,100%{transform:scale(1)} 50%{transform:scale(1.08)} }`}</style>
           <div style={{ textAlign: "center" }}>
-            <p style={{ fontSize: "0.88rem", fontWeight: 600, color: "#1a1a1a", marginBottom: 4 }}>Atlas</p>
+            <p style={{ fontSize: "0.88rem", fontWeight: 600, color: "#1a1a1a", marginBottom: 4 }}>Vibn</p>
             <p style={{ fontSize: "0.78rem", color: "#a09a90", maxWidth: 260, lineHeight: 1.5 }}>
               Your product strategist. Let&apos;s define what you&apos;re building.
             </p>
diff --git a/components/layout/project-shell.tsx b/components/layout/project-shell.tsx
index e301930..344abea 100644
--- a/components/layout/project-shell.tsx
+++ b/components/layout/project-shell.tsx
@@ -23,7 +23,7 @@ interface ProjectShellProps {
 }
 
 const SECTIONS = [
-  { id: "overview",  label: "Atlas",     path: "overview" },
+  { id: "overview",  label: "Vibn",      path: "overview" },
   { id: "prd",       label: "PRD",       path: "prd" },
   { id: "build",     label: "Build",     path: "build" },
   { id: "growth",    label: "Growth",    path: "growth" },
diff --git a/components/project-creation/ChatImportSetup.tsx b/components/project-creation/ChatImportSetup.tsx
index c56be99..ab7c50a 100644
--- a/components/project-creation/ChatImportSetup.tsx
+++ b/components/project-creation/ChatImportSetup.tsx
@@ -63,7 +63,7 @@ export function ChatImportSetup({ workspace, onClose, onBack }: SetupProps) {
       <textarea
         value={chatText}
         onChange={e => setChatText(e.target.value)}
-        placeholder={"Paste conversations from ChatGPT, Claude, Gemini, or any AI tool.\n\nAtlas will extract decisions, ideas, open questions, and architecture notes."}
+        placeholder={"Paste conversations from ChatGPT, Claude, Gemini, or any AI tool.\n\nVibn will extract decisions, ideas, open questions, and architecture notes."}
         rows={8}
         style={{
           width: "100%", padding: "12px 14px", marginBottom: 20,
diff --git a/components/project-creation/CodeImportSetup.tsx b/components/project-creation/CodeImportSetup.tsx
index 20928cd..cd12b40 100644
--- a/components/project-creation/CodeImportSetup.tsx
+++ b/components/project-creation/CodeImportSetup.tsx
@@ -89,7 +89,7 @@ export function CodeImportSetup({ workspace, onClose, onBack }: SetupProps) {
       />
 
       <div style={{ fontSize: "0.75rem", color: "#a09a90", marginBottom: 20, lineHeight: 1.5, padding: "12px 14px", background: "#faf8f5", borderRadius: 8, border: "1px solid #f0ece4" }}>
-        Atlas will clone your repo, read key files, and build a full architecture map — tech stack, routes, database, auth, and third-party integrations. Tokens are used only for cloning and are not stored.
+        Vibn will clone your repo, read key files, and build a full architecture map — tech stack, routes, database, auth, and third-party integrations. Tokens are used only for cloning and are not stored.
       </div>
 
       <PrimaryButton onClick={handleCreate} disabled={!canCreate} loading={loading}>
diff --git a/components/project-creation/FreshIdeaSetup.tsx b/components/project-creation/FreshIdeaSetup.tsx
index 9cb60a2..d1f9408 100644
--- a/components/project-creation/FreshIdeaSetup.tsx
+++ b/components/project-creation/FreshIdeaSetup.tsx
@@ -80,11 +80,11 @@ export function FreshIdeaSetup({ workspace, onClose, onBack }: SetupProps) {
       />
 
       <div style={{ fontSize: "0.75rem", color: "#a09a90", marginBottom: 20, lineHeight: 1.5, padding: "12px 14px", background: "#faf8f5", borderRadius: 8, border: "1px solid #f0ece4" }}>
-        Atlas will guide you through 6 discovery phases — Big Picture, Users, Features, Business Model, Screens, and Risks — building your product plan as you go.
+        Vibn will guide you through 6 discovery phases — Big Picture, Users, Features, Business Model, Screens, and Risks — building your product plan as you go.
       </div>
 
       <PrimaryButton onClick={handleCreate} disabled={!canCreate} loading={loading}>
-        Start with Atlas →
+        Start with Vibn →
       </PrimaryButton>
     </div>
   );
diff --git a/components/project-creation/MigrateSetup.tsx b/components/project-creation/MigrateSetup.tsx
index 60b2463..9be9b93 100644
--- a/components/project-creation/MigrateSetup.tsx
+++ b/components/project-creation/MigrateSetup.tsx
@@ -148,7 +148,7 @@ export function MigrateSetup({ workspace, onClose, onBack }: SetupProps) {
       </div>
 
       <div style={{ fontSize: "0.75rem", color: "#a09a90", marginBottom: 20, lineHeight: 1.5, padding: "12px 14px", background: "#faf8f5", borderRadius: 8, border: "1px solid #f0ece4" }}>
-        <strong style={{ color: "#4a2a5a" }}>Non-destructive.</strong> Atlas builds a full audit and migration plan. Your existing product stays live throughout the entire migration process.
+        <strong style={{ color: "#4a2a5a" }}>Non-destructive.</strong> Vibn builds a full audit and migration plan. Your existing product stays live throughout the entire migration process.
       </div>
 
       <PrimaryButton onClick={handleCreate} disabled={!canCreate} loading={loading}>
diff --git a/components/project-creation/TypeSelector.tsx b/components/project-creation/TypeSelector.tsx
index 3388687..a647a66 100644
--- a/components/project-creation/TypeSelector.tsx
+++ b/components/project-creation/TypeSelector.tsx
@@ -21,7 +21,7 @@ const ALL_FLOW_TYPES: {
     icon: "✦",
     label: "Fresh Idea",
     tagline: "Start from scratch",
-    desc: "Talk through your idea with Atlas. We'll explore it together and shape it into a full product plan.",
+    desc: "Talk through your idea with Vibn. We'll explore it together and shape it into a full product plan.",
     accent: "#4a3728",
   },
   {
@@ -29,7 +29,7 @@ const ALL_FLOW_TYPES: {
     icon: "⌁",
     label: "Import Chats",
     tagline: "You've been thinking",
-    desc: "Paste conversations from ChatGPT or Claude. Atlas extracts your decisions, ideas, and open questions.",
+    desc: "Paste conversations from ChatGPT or Claude. Vibn extracts your decisions, ideas, and open questions.",
     accent: "#2e5a4a",
   },
   {
@@ -37,7 +37,7 @@ const ALL_FLOW_TYPES: {
     icon: "⌘",
     label: "Import Code",
     tagline: "Already have a repo",
-    desc: "Point Atlas at your GitHub or Bitbucket repo. We'll map your stack and show what's missing.",
+    desc: "Point Vibn at your GitHub or Bitbucket repo. We'll map your stack and show what's missing.",
     accent: "#1a3a5c",
     hidden: true,
   },
@@ -46,7 +46,7 @@ const ALL_FLOW_TYPES: {
     icon: "⇢",
     label: "Migrate Product",
     tagline: "Move an existing product",
-    desc: "Bring your live product into the VIBN infrastructure. Atlas builds a safe, phased migration plan.",
+    desc: "Bring your live product into the VIBN infrastructure. Vibn builds a safe, phased migration plan.",
     accent: "#4a2a5a",
     hidden: true,
   },
diff --git a/components/project-main/FreshIdeaMain.tsx b/components/project-main/FreshIdeaMain.tsx
index 3e41d34..a3ee2b9 100644
--- a/components/project-main/FreshIdeaMain.tsx
+++ b/components/project-main/FreshIdeaMain.tsx
@@ -273,7 +273,7 @@ export function FreshIdeaMain({ projectId, projectName }: FreshIdeaMainProps) {
                     <div style={{ fontSize: "0.65rem", color: "#a09a90", marginTop: 2, lineHeight: 1.3 }}>
                       {phase === null
                         ? "Generated when PRD is finalized"
-                        : "Complete this phase in Atlas"
+                        : "Complete this phase in Vibn"
                       }
                     </div>
                   )}