diff --git a/README.md b/README.md
index fd4233e..b60c639 100644
--- a/README.md
+++ b/README.md
@@ -37,9 +37,11 @@ Defaults to the kotov vault copy. On cyrion use `deploy/build.sh`
 `docker compose -f deploy/docker-compose.yml up -d` serves `dist/` on
 port 18100 (`garden-next.c0smere.net` while staging).
 
-## Homepage extras
+## Layout extras
 
-`src/pages/index.astro` renders the vault's `index.md` and appends the
-bandwidth odometer, fed by `https://api.c0smere.net/bandwidth/odometer`.
-The widget animates at the lifetime average rate from a fetched baseline —
-it never reflects live throughput, and hides itself if the API is down.
+Every page carries a left sidebar tree of the whole garden (folders
+collapsible, current page highlighted; flows after the footer on narrow
+screens) and the bandwidth odometer in the footer, fed by
+`https://api.c0smere.net/bandwidth/odometer`. The widget animates at the
+lifetime average rate from a fetched baseline — it never reflects live
+throughput, and hides itself if the API is down.
diff --git a/src/layouts/Base.astro b/src/layouts/Base.astro
index b5f6dbc..78b0495 100644
--- a/src/layouts/Base.astro
+++ b/src/layouts/Base.astro
@@ -40,6 +40,14 @@ const navTree = buildNavTree(await getCollection('garden'));
             <a href="https://git.c0smere.net/wes">git</a> ·
             <a href="https://resume.c0smere.net">resume</a>
           </p>
+          <div id="odometer" hidden>
+            <div class="odo-display" id="odo-digits" aria-live="off"></div>
+            <p class="odo-caption">
+              bytes in + out of the homelab since <span id="odo-since"></span> ·
+              ticking at the lifetime average ·
+              <a href="https://api.c0smere.net/docs">api</a>
+            </p>
+          </div>
         </footer>
       </div>
       <aside class="sidebar">
@@ -48,6 +56,53 @@ const navTree = buildNavTree(await getCollection('garden'));
       </aside>
     </div>
 
+    <script>
+      // Odometer: fetch totals once, then animate forward at the lifetime
+      // average rate. Looks live, but deliberately never exposes current
+      // throughput. Fail-closed: any error leaves the footer widget hidden.
+      const API = 'https://api.c0smere.net/bandwidth/odometer';
+      const section = document.getElementById('odometer')!;
+      const digitsEl = document.getElementById('odo-digits')!;
+      const sinceEl = document.getElementById('odo-since')!;
+
+      function renderDigits(total: bigint) {
+        const s = total.toString();
+        let html = '';
+        for (let i = 0; i < s.length; i++) {
+          if (i > 0 && (s.length - i) % 3 === 0)
+            html += '<span class="odo-sep"></span>';
+          html += `<span class="odo-digit">${s[i]}</span>`;
+        }
+        digitsEl.innerHTML = html;
+      }
+
+      try {
+        const res = await fetch(API);
+        if (!res.ok) throw new Error(String(res.status));
+        const data = await res.json();
+        const base = BigInt(data.total_bytes);
+        const rate = Number(data.avg_bytes_per_sec);
+        const asOf = Date.parse(data.as_of);
+        if (!Number.isFinite(rate) || !Number.isFinite(asOf))
+          throw new Error('bad payload');
+
+        sinceEl.textContent = new Date(data.since).toLocaleDateString(
+          undefined,
+          { year: 'numeric', month: 'long', day: 'numeric' },
+        );
+
+        const tick = () => {
+          const elapsed = (Date.now() - asOf) / 1000;
+          renderDigits(base + BigInt(Math.floor(elapsed * rate)));
+        };
+        tick();
+        section.hidden = false;
+        setInterval(tick, 100);
+      } catch {
+        /* API down or blocked: widget stays hidden */
+      }
+    </script>
+
     <script>
       // mermaid: only load the (large) module on pages that need it
       const blocks = document.querySelectorAll('pre > code.language-mermaid');
@@ -199,6 +254,31 @@ const navTree = buildNavTree(await getCollection('garden'));
         font-size: 0.85rem;
         color: var(--muted);
       }
+      .odo-display {
+        display: flex;
+        flex-wrap: wrap;
+        gap: 2px;
+        font-family: ui-monospace, 'Cascadia Mono', 'JetBrains Mono', monospace;
+        font-size: 0.95rem;
+        font-variant-numeric: tabular-nums;
+      }
+      .odo-display .odo-digit {
+        display: inline-block;
+        min-width: 1.3ch;
+        padding: 0.12em 0.08em;
+        text-align: center;
+        background: #1c1c1e;
+        color: #f2f2f3;
+        border-radius: 3px;
+        border-bottom: 2px solid #000;
+      }
+      .odo-display .odo-sep {
+        width: 0.3ch;
+      }
+      .odo-caption {
+        margin-top: 0.35rem;
+        font-size: 0.75rem;
+      }
       img {
         max-width: 100%;
         height: auto;
diff --git a/src/pages/index.astro b/src/pages/index.astro
index 59eda51..61bae2e 100644
--- a/src/pages/index.astro
+++ b/src/pages/index.astro
@@ -10,100 +10,4 @@ const title = home?.data.title ?? 'Wesley Ray';
 
 <Base title={title} description={home?.data.description}>
   {Content && <Content />}
-
-  <section id="odometer" hidden>
-    <h2>Bandwidth odometer</h2>
-    <p class="odo-lede">
-      Every byte in or out of the homelab since <span id="odo-since"></span>:
-    </p>
-    <div class="odo-display" id="odo-digits" aria-live="off"></div>
-    <p class="odo-foot">
-      ticking at the lifetime average rate · served by
-      <a href="https://api.c0smere.net/docs">api.c0smere.net</a>
-    </p>
-  </section>
-
-  <script>
-    // Odometer: fetch totals once, then animate forward at the lifetime
-    // average rate. Looks live, but deliberately never exposes current
-    // throughput. Fail-closed: any error leaves the section hidden.
-    const API = 'https://api.c0smere.net/bandwidth/odometer';
-    const section = document.getElementById('odometer')!;
-    const digitsEl = document.getElementById('odo-digits')!;
-    const sinceEl = document.getElementById('odo-since')!;
-
-    function renderDigits(total: bigint) {
-      const s = total.toString();
-      // group into 3s for readability, each digit in its own cell
-      let html = '';
-      for (let i = 0; i < s.length; i++) {
-        if (i > 0 && (s.length - i) % 3 === 0) html += '<span class="odo-sep"></span>';
-        html += `<span class="odo-digit">${s[i]}</span>`;
-      }
-      digitsEl.innerHTML = html;
-    }
-
-    try {
-      const res = await fetch(API);
-      if (!res.ok) throw new Error(String(res.status));
-      const data = await res.json();
-      const base = BigInt(data.total_bytes);
-      const rate = Number(data.avg_bytes_per_sec); // bytes/sec
-      const asOf = Date.parse(data.as_of);
-      if (!Number.isFinite(rate) || !Number.isFinite(asOf)) throw new Error('bad payload');
-
-      sinceEl.textContent = new Date(data.since).toLocaleDateString(undefined, {
-        year: 'numeric',
-        month: 'long',
-        day: 'numeric',
-      });
-
-      const tick = () => {
-        const elapsed = (Date.now() - asOf) / 1000;
-        renderDigits(base + BigInt(Math.floor(elapsed * rate)));
-      };
-      tick();
-      section.hidden = false;
-      setInterval(tick, 100);
-    } catch {
-      /* API down or blocked: section stays hidden */
-    }
-  </script>
-
-  <style>
-    #odometer {
-      margin-top: 2.5rem;
-      padding-top: 1rem;
-      border-top: 1px solid var(--faint);
-    }
-    .odo-lede {
-      color: var(--muted);
-      margin-bottom: 0.5rem;
-    }
-    .odo-display {
-      display: flex;
-      flex-wrap: wrap;
-      gap: 2px;
-      font-family: ui-monospace, 'Cascadia Mono', 'JetBrains Mono', monospace;
-      font-size: clamp(1.1rem, 4vw, 1.8rem);
-      font-variant-numeric: tabular-nums;
-    }
-    .odo-display :global(.odo-digit) {
-      display: inline-block;
-      min-width: 1.35ch;
-      padding: 0.15em 0.1em;
-      text-align: center;
-      background: #1c1c1e;
-      color: #f2f2f3;
-      border-radius: 4px;
-      border-bottom: 2px solid #000;
-    }
-    .odo-display :global(.odo-sep) {
-      width: 0.35ch;
-    }
-    .odo-foot {
-      font-size: 0.8rem;
-      color: var(--muted);
-    }
-  </style>
 </Base>