diff --git a/DESIGN.md b/DESIGN.md
index 5546b28f0..69f4f91ef 100644
--- a/DESIGN.md
+++ b/DESIGN.md
@@ -162,6 +162,14 @@ primary action in the page header instead. When tabs are useful, their left edge
uses the same compact `pl-2` alignment as application navigation rather than
the content container's wide horizontal padding.
+A layer-2 tab must be active on the page that renders it. A bar whose only tab
+points at a different route reads as broken navigation, so project and
+environment pages (`project.show`, `project.edit`, `project.environment.edit`,
+`project.clone-me`) carry a plain page header with a 24px title and a 13px
+muted summary instead of a bar. The environment identity and the way back to
+its resources already live in `x-top-breadcrumb`; do not restate them in a
+sub-header.
+
The dashboard is a compact overview, not a metrics wall. Use two full-width
sections that follow the projects-page grid pattern: projects first, then
servers. Keep one `New` action in the page header and let its modal choose the
diff --git a/resources/views/components/project/navbar.blade.php b/resources/views/components/project/navbar.blade.php
deleted file mode 100644
index 2eddaad5b..000000000
--- a/resources/views/components/project/navbar.blade.php
+++ /dev/null
@@ -1,58 +0,0 @@
-@props([
- 'project',
- 'environment' => null,
-])
-
-@php
- $projectParameters = ['project_uuid' => $project->uuid];
- $environmentParameters = $environment
- ? [...$projectParameters, 'environment_uuid' => $environment->uuid]
- : [];
-
- $items = $environment
- ? [
- ['label' => 'Resources', 'route' => 'project.resource.index', 'active' => request()->routeIs('project.resource.index'), 'icon' => 'grid'],
- ]
- : [];
-
- $routeParameters = $environment ? $environmentParameters : $projectParameters;
-@endphp
-
-@if ($environment)
-
-@endif
diff --git a/resources/views/livewire/project/clone-me.blade.php b/resources/views/livewire/project/clone-me.blade.php
index c6b2e3323..6d945775b 100644
--- a/resources/views/livewire/project/clone-me.blade.php
+++ b/resources/views/livewire/project/clone-me.blade.php
@@ -1,8 +1,14 @@