diff --git a/site/colorlock.py b/site/colorlock.py
index 2e1f2eeb..f4ecd313 100644
--- a/site/colorlock.py
+++ b/site/colorlock.py
@@ -39,3 +39,26 @@ def lock(html, root_marker):
     html = html.replace(root_marker, root_marker.replace("<div ", '<div class="%s" ' % ROOT_CLASS, 1), 1)
     html = re.sub(r'style="([^"]*)"', _lock_style, html)
     return STYLE + "\n" + html
+
+
+# For visitors (guests) only, the page is the design alone: XWiki's own chrome -- the top bar with
+# Register and Log-in, the breadcrumb, the title and "Last modified", the page menu, the side panels,
+# the footer and the welcome tour -- is hidden, and the design runs the full width. Logged in, the
+# wiki is all there, to edit with. (Captain Bob, 2026-11-07: "Menu bar".)
+GUEST_CHROME = """{{velocity}}
+#if ($isGuest)
+#[[{{html clean="false"}}<style>
+#menuview, #hierarchy_breadcrumb, .document-header, #xdocFooter, #footerglobal, #leftPanels, #rightPanels,
+#leftPanelsToggle, #rightPanelsToggle, .tour, .tour-backdrop, #bootstrap_tour_restart, .xtour-restart,
+#xwikimaincontainerinner > a.btn { display: none !important; }
+html, body, #xwikimaincontainer, #xwikimaincontainerinner, #contentcontainer, #contentcolumn, .main,
+#mainContentArea, #xwikicontent, #mainContentArea .row { background-color: #0A1222 !important; }
+#contentcontainer, #contentcolumn, .main, #mainContentArea, #xwikicontent, #mainContentArea .row {
+  width: 100% !important; max-width: none !important; margin: 0 !important; padding: 0 !important; border: 0 !important; float: none !important; }
+#xwikicontent > .ssos { border: 0 !important; }
+#xwikimaincontainer { padding: 0 !important; }
+.main hr:not(.ssos hr), #xwikicontent > :not(.ssos) { display: none !important; }
+</style>{{/html}}]]#
+#end
+{{/velocity}}
+"""
diff --git a/site/com/Inquiries.WebHome.xwiki b/site/com/Inquiries.WebHome.xwiki
index 87dd67e1..2e017896 100644
--- a/site/com/Inquiries.WebHome.xwiki
+++ b/site/com/Inquiries.WebHome.xwiki
@@ -1,3 +1,19 @@
+{{velocity}}
+#if ($isGuest)
+#[[{{html clean="false"}}<style>
+#menuview, #hierarchy_breadcrumb, .document-header, #xdocFooter, #footerglobal, #leftPanels, #rightPanels,
+#leftPanelsToggle, #rightPanelsToggle, .tour, .tour-backdrop, #bootstrap_tour_restart, .xtour-restart,
+#xwikimaincontainerinner > a.btn { display: none !important; }
+html, body, #xwikimaincontainer, #xwikimaincontainerinner, #contentcontainer, #contentcolumn, .main,
+#mainContentArea, #xwikicontent, #mainContentArea .row { background-color: #0A1222 !important; }
+#contentcontainer, #contentcolumn, .main, #mainContentArea, #xwikicontent, #mainContentArea .row {
+  width: 100% !important; max-width: none !important; margin: 0 !important; padding: 0 !important; border: 0 !important; float: none !important; }
+#xwikicontent > .ssos { border: 0 !important; }
+#xwikimaincontainer { padding: 0 !important; }
+.main hr:not(.ssos hr), #xwikicontent > :not(.ssos) { display: none !important; }
+</style>{{/html}}]]#
+#end
+{{/velocity}}
 {{html clean="false"}}
 <link rel="preconnect" href="https://fonts.googleapis.com">
 <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&amp;family=Exo+2:wght@600;700&amp;display=swap" rel="stylesheet">
diff --git a/site/com/Main.WebHome.xwiki b/site/com/Main.WebHome.xwiki
index 3bd193c5..c6b97f8e 100644
--- a/site/com/Main.WebHome.xwiki
+++ b/site/com/Main.WebHome.xwiki
@@ -1,3 +1,19 @@
+{{velocity}}
+#if ($isGuest)
+#[[{{html clean="false"}}<style>
+#menuview, #hierarchy_breadcrumb, .document-header, #xdocFooter, #footerglobal, #leftPanels, #rightPanels,
+#leftPanelsToggle, #rightPanelsToggle, .tour, .tour-backdrop, #bootstrap_tour_restart, .xtour-restart,
+#xwikimaincontainerinner > a.btn { display: none !important; }
+html, body, #xwikimaincontainer, #xwikimaincontainerinner, #contentcontainer, #contentcolumn, .main,
+#mainContentArea, #xwikicontent, #mainContentArea .row { background-color: #0A1222 !important; }
+#contentcontainer, #contentcolumn, .main, #mainContentArea, #xwikicontent, #mainContentArea .row {
+  width: 100% !important; max-width: none !important; margin: 0 !important; padding: 0 !important; border: 0 !important; float: none !important; }
+#xwikicontent > .ssos { border: 0 !important; }
+#xwikimaincontainer { padding: 0 !important; }
+.main hr:not(.ssos hr), #xwikicontent > :not(.ssos) { display: none !important; }
+</style>{{/html}}]]#
+#end
+{{/velocity}}
 {{html clean="false"}}
 <link rel="preconnect" href="https://fonts.googleapis.com">
 <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&amp;family=Exo+2:wght@600;700&amp;display=swap" rel="stylesheet">
diff --git a/site/com/TryIt.WebHome.xwiki b/site/com/TryIt.WebHome.xwiki
index 4a1d011a..cf231494 100644
--- a/site/com/TryIt.WebHome.xwiki
+++ b/site/com/TryIt.WebHome.xwiki
@@ -1,3 +1,19 @@
+{{velocity}}
+#if ($isGuest)
+#[[{{html clean="false"}}<style>
+#menuview, #hierarchy_breadcrumb, .document-header, #xdocFooter, #footerglobal, #leftPanels, #rightPanels,
+#leftPanelsToggle, #rightPanelsToggle, .tour, .tour-backdrop, #bootstrap_tour_restart, .xtour-restart,
+#xwikimaincontainerinner > a.btn { display: none !important; }
+html, body, #xwikimaincontainer, #xwikimaincontainerinner, #contentcontainer, #contentcolumn, .main,
+#mainContentArea, #xwikicontent, #mainContentArea .row { background-color: #0A1222 !important; }
+#contentcontainer, #contentcolumn, .main, #mainContentArea, #xwikicontent, #mainContentArea .row {
+  width: 100% !important; max-width: none !important; margin: 0 !important; padding: 0 !important; border: 0 !important; float: none !important; }
+#xwikicontent > .ssos { border: 0 !important; }
+#xwikimaincontainer { padding: 0 !important; }
+.main hr:not(.ssos hr), #xwikicontent > :not(.ssos) { display: none !important; }
+</style>{{/html}}]]#
+#end
+{{/velocity}}
 {{html clean="false"}}
 <link rel="preconnect" href="https://fonts.googleapis.com">
 <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&amp;family=Exo+2:wght@600;700&amp;display=swap" rel="stylesheet">
diff --git a/site/com/build.py b/site/com/build.py
index 4134f511..85c8d122 100755
--- a/site/com/build.py
+++ b/site/com/build.py
@@ -99,5 +99,5 @@ if __name__ == "__main__":
         html = colorlock.lock(html, '<div style="background: #0A1222')
         assert "{{" not in html.replace(colorlock.STYLE, "") and "[SSRN" not in html and ".dc.html" not in html and "_blob" not in html, p
         with open("%s.WebHome.xwiki" % p, "w") as f:
-            f.write('{{html clean="false"}}\n%s\n%s\n{{/html}}\n' % (FONTS, html))
+            f.write(colorlock.GUEST_CHROME + '{{html clean="false"}}\n%s\n%s\n{{/html}}\n' % (FONTS, html))
     print("wrote", ", ".join("%s.WebHome.xwiki" % p for p in PAGES))
diff --git a/site/org/Main.WebHome.xwiki b/site/org/Main.WebHome.xwiki
index 6c2c72f7..3a0e3184 100644
--- a/site/org/Main.WebHome.xwiki
+++ b/site/org/Main.WebHome.xwiki
@@ -1,3 +1,19 @@
+{{velocity}}
+#if ($isGuest)
+#[[{{html clean="false"}}<style>
+#menuview, #hierarchy_breadcrumb, .document-header, #xdocFooter, #footerglobal, #leftPanels, #rightPanels,
+#leftPanelsToggle, #rightPanelsToggle, .tour, .tour-backdrop, #bootstrap_tour_restart, .xtour-restart,
+#xwikimaincontainerinner > a.btn { display: none !important; }
+html, body, #xwikimaincontainer, #xwikimaincontainerinner, #contentcontainer, #contentcolumn, .main,
+#mainContentArea, #xwikicontent, #mainContentArea .row { background-color: #0A1222 !important; }
+#contentcontainer, #contentcolumn, .main, #mainContentArea, #xwikicontent, #mainContentArea .row {
+  width: 100% !important; max-width: none !important; margin: 0 !important; padding: 0 !important; border: 0 !important; float: none !important; }
+#xwikicontent > .ssos { border: 0 !important; }
+#xwikimaincontainer { padding: 0 !important; }
+.main hr:not(.ssos hr), #xwikicontent > :not(.ssos) { display: none !important; }
+</style>{{/html}}]]#
+#end
+{{/velocity}}
 {{html clean="false"}}
 <link rel="preconnect" href="https://fonts.googleapis.com">
 <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&amp;family=Exo+2:wght@600;700&amp;display=swap" rel="stylesheet">
diff --git a/site/org/build.py b/site/org/build.py
index d9cc62b9..dc37a069 100755
--- a/site/org/build.py
+++ b/site/org/build.py
@@ -306,7 +306,9 @@ def body(name, canvas):
 def write_wiki(name):
     html = colorlock.lock(body(name, False).replace("{accent}", ACCENT), "<div style=\"background: #0A1222")
     with open("%s.WebHome.xwiki" % name, "w") as f:
-        f.write('{{html clean="false"}}\n%s\n%s\n{{/html}}\n' % (FONTS, html))
+        # the landing page is the public one: the design alone for visitors, as on the .com
+        chrome = colorlock.GUEST_CHROME if name == "Main" else ""
+        f.write(chrome + '{{html clean="false"}}\n%s\n%s\n{{/html}}\n' % (FONTS, html))
 
 
 def write_canvas(name, root):