diff --git a/src/components/DocsSidebar.astro b/src/components/DocsSidebar.astro
index 51d94ce..f810501 100644
--- a/src/components/DocsSidebar.astro
+++ b/src/components/DocsSidebar.astro
@@ -1,7 +1,7 @@
 ---
 import { getCollection } from 'astro:content';
 import { getDocsVersions } from '../lib/docs-versions';
-import { productLabel } from '../lib/docs-products';
+import { productLabel, isProductHidden } from '../lib/docs-products';
 
 interface Props {
   activeId?: string;
@@ -14,6 +14,11 @@ type Item = { id: string; title: string; order: number; href: string };
 type Section = { key: string; label: string; items: Item[] };
 
 const entries = await getCollection('docs');
+// Hidden products (e.g. private/pre-launch) are dropped from the sidebar so
+// they don't appear in any listing. If the reader is already on a hidden
+// product's page (via a direct URL), keep its section visible so they can
+// navigate within it.
+const activeProduct = activeId?.split('/')[0];
 
 const idToHref = (id: string) => {
   const stripped = id.replace(/\/index$/, '');
@@ -34,6 +39,7 @@ for (const entry of entries) {
 }
 
 const sections: Section[] = Array.from(sectionMap.entries())
+  .filter(([key]) => !isProductHidden(key) || key === activeProduct)
   .map(([key, items]) => ({
     key,
     label: productLabel(key, 'short'),
diff --git a/src/lib/docs-products.ts b/src/lib/docs-products.ts
index 6c1a5c3..a2c6ecc 100644
--- a/src/lib/docs-products.ts
+++ b/src/lib/docs-products.ts
@@ -1,10 +1,13 @@
 // Display labels for each product slug. Keep in sync with sync-docs.js `sources`.
 // `short` is used in tight UI (sidebar section header).
 // `long` is used where the full product name reads better (back link, etc.).
-type ProductLabels = { short: string; long: string };
+// `hidden: true` keeps the product's docs reachable by direct URL but excludes
+// them from the /docs/ index and the sidebar — used while a product is still
+// private/pre-launch.
+type ProductLabels = { short: string; long: string; hidden?: boolean };
 
 const LABELS: Record<string, ProductLabels> = {
-  voice: { short: 'Voice', long: 'WaveKat Voice' },
+  voice: { short: 'Voice', long: 'WaveKat Voice', hidden: true },
   cli:   { short: 'CLI',   long: 'WaveKat CLI' },
   lab:   { short: 'Lab',   long: 'WaveKat Lab' },
   vad:   { short: 'VAD',   long: 'WaveKat VAD' },
@@ -18,3 +21,7 @@ const LABELS: Record<string, ProductLabels> = {
 export function productLabel(slug: string, form: 'short' | 'long' = 'long'): string {
   return LABELS[slug]?.[form] ?? slug;
 }
+
+export function isProductHidden(slug: string): boolean {
+  return LABELS[slug]?.hidden ?? false;
+}
diff --git a/src/pages/docs/index.astro b/src/pages/docs/index.astro
index 759ec52..bb5d6dc 100644
--- a/src/pages/docs/index.astro
+++ b/src/pages/docs/index.astro
@@ -5,6 +5,7 @@ import Header from '../../components/Header.astro';
 import Footer from '../../components/Footer.astro';
 import DocsSidebar from '../../components/DocsSidebar.astro';
 import { getDocsVersions } from '../../lib/docs-versions';
+import { isProductHidden } from '../../lib/docs-products';
 
 type Product = {
   slug: string;
@@ -23,7 +24,7 @@ const liveSlugs = new Set(entries.map((e) => e.id.split('/')[0]));
 const versions = getDocsVersions();
 
 const products = PRODUCTS
-  .filter((p) => liveSlugs.has(p.slug))
+  .filter((p) => liveSlugs.has(p.slug) && !isProductHidden(p.slug))
   .map((p) => ({ ...p, version: versions[p.slug] }));
 ---