diff --git a/openspec/changes/planner-landing-page/.openspec.yaml b/openspec/changes/archive/2026-03-25-planner-landing-page/.openspec.yaml
similarity index 100%
rename from openspec/changes/planner-landing-page/.openspec.yaml
rename to openspec/changes/archive/2026-03-25-planner-landing-page/.openspec.yaml
diff --git a/openspec/changes/planner-landing-page/design.md b/openspec/changes/archive/2026-03-25-planner-landing-page/design.md
similarity index 100%
rename from openspec/changes/planner-landing-page/design.md
rename to openspec/changes/archive/2026-03-25-planner-landing-page/design.md
diff --git a/openspec/changes/planner-landing-page/proposal.md b/openspec/changes/archive/2026-03-25-planner-landing-page/proposal.md
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rename from openspec/changes/planner-landing-page/proposal.md
rename to openspec/changes/archive/2026-03-25-planner-landing-page/proposal.md
diff --git a/openspec/changes/planner-landing-page/specs/planner-session/spec.md b/openspec/changes/archive/2026-03-25-planner-landing-page/specs/planner-session/spec.md
similarity index 100%
rename from openspec/changes/planner-landing-page/specs/planner-session/spec.md
rename to openspec/changes/archive/2026-03-25-planner-landing-page/specs/planner-session/spec.md
diff --git a/openspec/changes/planner-landing-page/tasks.md b/openspec/changes/archive/2026-03-25-planner-landing-page/tasks.md
similarity index 100%
rename from openspec/changes/planner-landing-page/tasks.md
rename to openspec/changes/archive/2026-03-25-planner-landing-page/tasks.md
diff --git a/openspec/specs/planner-session/spec.md b/openspec/specs/planner-session/spec.md
index 9e20ba9..9f86e40 100644
--- a/openspec/specs/planner-session/spec.md
+++ b/openspec/specs/planner-session/spec.md
@@ -73,6 +73,21 @@ The Planner SHALL display presence indicators showing which users are currently
 - **WHEN** a user disconnects from the session
 - **THEN** their cursor disappears from all other participants' maps within 5 seconds
 
+### Requirement: Planner home page
+The Planner home page SHALL explain the tool's purpose and provide a one-click way to start planning.
+
+#### Scenario: First-time visitor
+- **WHEN** a user visits planner.trails.cool for the first time
+- **THEN** they see a landing page explaining collaborative route planning, key features, and a prominent "Start Planning" button
+
+#### Scenario: Start a session
+- **WHEN** a user clicks "Start Planning"
+- **THEN** a new anonymous session is created and the user is redirected to the session view
+
+#### Scenario: Journal link
+- **WHEN** a user wants to save routes permanently
+- **THEN** a secondary CTA links to trails.cool for account creation
+
 ### Requirement: No user data collection
 The Planner SHALL NOT collect, store, or track any personal user data. Sessions are anonymous by default.