diff --git a/docs/guide/google-chat-setup.md b/docs/guide/google-chat-setup.md
index b5da65d..88b8607 100644
--- a/docs/guide/google-chat-setup.md
+++ b/docs/guide/google-chat-setup.md
@@ -39,7 +39,7 @@ Your event URL is `https://<your-host>/chat/events`.
 | Field | Value |
 | --- | --- |
 | App name | `AsyncUp` (or your pick) |
-| Avatar URL | any 256×256 PNG |
+| Avatar URL | `https://asyncup-dev.github.io/asyncup/logo-256.png` (the AsyncUp logo, or any 256×256 PNG) |
 | Description | `Async daily standups` |
 | Functionality | ✅ Receive 1:1 messages, ✅ Join spaces and group conversations |
 | Connection settings | **HTTP endpoint URL** → `https://<your-host>/chat/events` |
diff --git a/docs/index.md b/docs/index.md
index a2926d7..60af15d 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -43,6 +43,12 @@ features:
     details: Google Chat today; Slack and Microsoft Teams adapters are next on the roadmap. MIT licensed, never SaaS.
 ---
 
+<script setup>
+// Raw HTML anchors bypass VitePress base-path rewriting — withBase fixes
+// the CTA on project-pages deployments (e.g. /asyncup/).
+import { withBase } from 'vitepress'
+</script>
+
 <div class="au-section">
   <h2>How a morning works</h2>
   <p class="au-sub">No meeting, no interrogation bot — one card, one form, one thread.</p>
@@ -116,6 +122,6 @@ features:
 
 <div class="au-cta">
   <h2>Up and running in 15 minutes</h2>
-  <a class="button" href="/guide/getting-started">Read the guide</a>
+  <a class="button" :href="withBase('/guide/getting-started')">Read the guide</a>
   <span class="alt"><code>docker compose up -d</code> — amd64 &amp; arm64 images on GHCR</span>
 </div>
diff --git a/docs/public/logo-256.png b/docs/public/logo-256.png
new file mode 100644
index 0000000..96575cc
Binary files /dev/null and b/docs/public/logo-256.png differ