diff --git a/src/renderer/src/hub/SiteNav.tsx b/src/renderer/src/hub/SiteNav.tsx
index 94f2c37..50cf2e8 100644
--- a/src/renderer/src/hub/SiteNav.tsx
+++ b/src/renderer/src/hub/SiteNav.tsx
@@ -1,7 +1,7 @@
 // ─── Shared site navigation ──────────────────────────────────────────────────
 //
 // The same bar as radical.tools / docs (website/landing.css `.site-nav`):
-// Home · Hub · Docs | Open Studio | GitHub · theme. Keep markup and class
+// Home · Docs | Hub · Studio | GitHub · theme. Keep markup and class
 // names in sync with website/index.html and website/manual.html.
 
 import React from 'react'
@@ -25,10 +25,10 @@ export function SiteNav({ studioUrl, theme, onToggleTheme, onHub }: SiteNavProps
       <a className="site-nav-logo" href="https://radical.tools" aria-label="Radical.Tools"><span className="site-nav-mark">R</span></a>
       <nav className="site-nav-links">
         <a className="site-nav-btn" href="https://radical.tools">Home</a>
-        <button type="button" className="site-nav-btn active" onClick={onHub}>Hub</button>
         <a className="site-nav-btn" href="https://radical.tools/manual.html">Docs</a>
         <span className="site-nav-sep" aria-hidden="true" />
-        <a className="site-nav-btn primary" href={studioUrl} target="_blank" rel="noopener">Open Studio</a>
+        <button type="button" className="site-nav-btn active" onClick={onHub}>Hub</button>
+        <a className="site-nav-btn primary" href={studioUrl} target="_blank" rel="noopener">Studio</a>
         <span className="site-nav-sep" aria-hidden="true" />
         <a className="site-nav-icon" href="https://github.com/radicaltools/radical.tools" target="_blank" rel="noopener" aria-label="GitHub"><IconGitHub /></a>
         <button type="button" className="site-nav-icon" onClick={onToggleTheme} title={themeLabel} aria-label={themeLabel}>
diff --git a/src/renderer/src/hub/hub.css b/src/renderer/src/hub/hub.css
index c4b43f6..c2b6422 100644
--- a/src/renderer/src/hub/hub.css
+++ b/src/renderer/src/hub/hub.css
@@ -67,7 +67,7 @@
 }
 .site-nav-links { display: flex; align-items: center; gap: 6px; flex: 1; margin-left: 14px; }
 .site-nav-sep { width: 1px; height: 22px; background: var(--border-color); margin: 0 8px; opacity: 0.8; }
-/* First separator pushes Studio / GitHub / theme to the right edge. */
+/* First separator pushes Hub / Studio / GitHub / theme to the right edge. */
 .site-nav-links .site-nav-sep:first-of-type { margin-left: auto; }
 .site-nav-btn {
   display: inline-flex; align-items: center;
diff --git a/website/index.html b/website/index.html
index b09efc5..f96ad4c 100644
--- a/website/index.html
+++ b/website/index.html
@@ -14,15 +14,15 @@
 </head>
 <body>
 
-  <!-- Shared site navigation — Home · Hub · Docs | Open Studio | GitHub · theme. Same on radical.tools, docs and the Hub (SiteNav.tsx). -->
+  <!-- Shared site navigation — Home · Docs | Hub · Studio | GitHub · theme. Same on radical.tools, docs and the Hub (SiteNav.tsx). -->
   <header class="site-nav" id="top">
     <a class="site-nav-logo" href="https://radical.tools" aria-label="Radical.Tools"><span class="site-nav-mark">R</span></a>
     <nav class="site-nav-links">
       <a class="site-nav-btn active" href="https://radical.tools">Home</a>
-      <a class="site-nav-btn" href="https://hub.radical.tools" target="_blank" rel="noopener">Hub</a>
       <a class="site-nav-btn" href="https://radical.tools/manual.html">Docs</a>
       <span class="site-nav-sep" aria-hidden="true"></span>
-      <a class="site-nav-btn primary" href="https://studio.radical.tools" target="_blank" rel="noopener">Open Studio</a>
+      <a class="site-nav-btn" href="https://hub.radical.tools" target="_blank" rel="noopener">Hub</a>
+      <a class="site-nav-btn primary" href="https://studio.radical.tools" target="_blank" rel="noopener">Studio</a>
       <span class="site-nav-sep" aria-hidden="true"></span>
       <a class="site-nav-icon" href="https://github.com/radicaltools/radical.tools" target="_blank" rel="noopener" aria-label="GitHub"><svg viewBox="0 0 24 24" fill="currentColor" width="18" height="18" aria-hidden="true"><path d="M12 2C6.477 2 2 6.477 2 12c0 4.418 2.865 8.166 6.839 9.489.5.092.682-.217.682-.482 0-.237-.009-.868-.013-1.703-2.782.604-3.369-1.341-3.369-1.341-.454-1.155-1.11-1.463-1.11-1.463-.908-.62.069-.608.069-.608 1.003.07 1.532 1.031 1.532 1.031.891 1.528 2.341 1.087 2.91.831.091-.645.349-1.087.635-1.337-2.22-.253-4.555-1.11-4.555-4.943 0-1.091.39-1.984 1.03-2.682-.103-.253-.447-1.27.098-2.646 0 0 .84-.269 2.75 1.025A9.564 9.564 0 0 1 12 6.844a9.59 9.59 0 0 1 2.504.337c1.909-1.294 2.747-1.025 2.747-1.025.547 1.376.203 2.393.1 2.646.641.698 1.029 1.591 1.029 2.682 0 3.841-2.337 4.687-4.565 4.935.359.309.678.919.678 1.852 0 1.336-.012 2.415-.012 2.744 0 .267.18.579.688.481C19.138 20.163 22 16.418 22 12c0-5.523-4.477-10-10-10z"/></svg></a>
       <button type="button" class="site-nav-icon" data-theme-toggle aria-label="Toggle theme"></button>
diff --git a/website/landing.css b/website/landing.css
index 6a0fa41..1ef4c9a 100644
--- a/website/landing.css
+++ b/website/landing.css
@@ -121,7 +121,7 @@ h2 { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; }
 }
 .site-nav-links { display: flex; align-items: center; gap: 6px; flex: 1; margin-left: 14px; }
 .site-nav-sep { width: 1px; height: 22px; background: var(--border); margin: 0 8px; opacity: 0.8; }
-/* First separator pushes Studio / GitHub / theme to the right edge. */
+/* First separator pushes Hub / Studio / GitHub / theme to the right edge. */
 .site-nav-links .site-nav-sep:first-of-type { margin-left: auto; }
 .site-nav-btn {
   display: inline-flex; align-items: center;
diff --git a/website/manual.html b/website/manual.html
index 318ccc5..3d735e3 100644
--- a/website/manual.html
+++ b/website/manual.html
@@ -15,15 +15,15 @@
 </head>
 <body class="doc-page">
 
-  <!-- Shared site navigation — Home · Hub · Docs | Open Studio | GitHub · theme. Same on radical.tools, docs and the Hub (SiteNav.tsx). -->
+  <!-- Shared site navigation — Home · Docs | Hub · Studio | GitHub · theme. Same on radical.tools, docs and the Hub (SiteNav.tsx). -->
   <header class="site-nav" id="top">
     <a class="site-nav-logo" href="https://radical.tools" aria-label="Radical.Tools"><span class="site-nav-mark">R</span></a>
     <nav class="site-nav-links">
       <a class="site-nav-btn" href="https://radical.tools">Home</a>
-      <a class="site-nav-btn" href="https://hub.radical.tools" target="_blank" rel="noopener">Hub</a>
       <a class="site-nav-btn active" href="https://radical.tools/manual.html">Docs</a>
       <span class="site-nav-sep" aria-hidden="true"></span>
-      <a class="site-nav-btn primary" href="https://studio.radical.tools" target="_blank" rel="noopener">Open Studio</a>
+      <a class="site-nav-btn" href="https://hub.radical.tools" target="_blank" rel="noopener">Hub</a>
+      <a class="site-nav-btn primary" href="https://studio.radical.tools" target="_blank" rel="noopener">Studio</a>
       <span class="site-nav-sep" aria-hidden="true"></span>
       <a class="site-nav-icon" href="https://github.com/radicaltools/radical.tools" target="_blank" rel="noopener" aria-label="GitHub"><svg viewBox="0 0 24 24" fill="currentColor" width="18" height="18" aria-hidden="true"><path d="M12 2C6.477 2 2 6.477 2 12c0 4.418 2.865 8.166 6.839 9.489.5.092.682-.217.682-.482 0-.237-.009-.868-.013-1.703-2.782.604-3.369-1.341-3.369-1.341-.454-1.155-1.11-1.463-1.11-1.463-.908-.62.069-.608.069-.608 1.003.07 1.532 1.031 1.532 1.031.891 1.528 2.341 1.087 2.91.831.091-.645.349-1.087.635-1.337-2.22-.253-4.555-1.11-4.555-4.943 0-1.091.39-1.984 1.03-2.682-.103-.253-.447-1.27.098-2.646 0 0 .84-.269 2.75 1.025A9.564 9.564 0 0 1 12 6.844a9.59 9.59 0 0 1 2.504.337c1.909-1.294 2.747-1.025 2.747-1.025.547 1.376.203 2.393.1 2.646.641.698 1.029 1.591 1.029 2.682 0 3.841-2.337 4.687-4.565 4.935.359.309.678.919.678 1.852 0 1.336-.012 2.415-.012 2.744 0 .267.18.579.688.481C19.138 20.163 22 16.418 22 12c0-5.523-4.477-10-10-10z"/></svg></a>
       <button type="button" class="site-nav-icon" data-theme-toggle aria-label="Toggle theme"></button>