diff --git a/packages/docs/src/components/nav.tsx b/packages/docs/src/components/nav.tsx
index 976f819..de12832 100644
--- a/packages/docs/src/components/nav.tsx
+++ b/packages/docs/src/components/nav.tsx
@@ -1,10 +1,15 @@
 /**
- * Sticky top bar, landing-parity: logo + site name + "Docs" badge, then the SAME
- * link row as the landing page's nav (section anchors on the landing home, blog,
- * docs) with the same sliding hover pill — so the two sites link into each other
- * seamlessly. Section/blog links are plain anchors into the landing SPA one level
- * up; "Docs" routes to this site's own root. The right side keeps the language
- * and theme toggles, GitHub, and — on small screens — the sidebar toggle.
+ * Sticky top bar, landing-parity: logo + site name, then the SAME link row as the
+ * landing page's nav (section anchors on the landing home, blog, docs) with the same
+ * sliding hover pill — so the two sites render an identical navbar. Section/blog links
+ * are plain anchors into the landing SPA one level up; "Docs" routes to this site's
+ * own root and is always the active link. The right cluster also matches the landing
+ * nav (language + theme toggles, GitHub) and ends with the sidebar toggle on <lg
+ * screens — the same slot where the landing nav keeps its mobile-menu button on <md.
+ *
+ * The markup and class strings are duplicated verbatim from the landing nav
+ * (packages/landing/src/components/nav.tsx — the two sites share no package, as with
+ * site-prefs.ts); keep the two files aligned so the navbars render identically.
  */
 import { useRef } from "react";
 import type { MouseEvent } from "react";
@@ -29,11 +34,13 @@ export function Nav({ menuOpen, onToggleMenu }: { menuOpen: boolean; onToggleMen
     features: S.nav.features,
   };
 
-  const linkCls =
-    "relative z-10 rounded-md px-2.5 py-1.5 text-sm text-gray-600 transition-colors hover:text-gray-900 dark:text-gray-400 dark:hover:text-gray-100";
-  // Landing-parity active style: on the docs site, the "Docs" link is the current page.
   const activeLinkCls =
-    "relative z-10 rounded-md px-2.5 py-1.5 text-sm transition-colors bg-black text-white hover:bg-black hover:text-white dark:bg-black dark:text-white dark:ring-1 dark:ring-gray-600 dark:hover:bg-black dark:hover:text-white";
+    "bg-black text-white hover:bg-black hover:text-white dark:bg-black dark:text-white dark:ring-1 dark:ring-gray-600 dark:hover:bg-black dark:hover:text-white";
+  const inactiveLinkCls = "text-gray-600 dark:text-gray-400";
+  const deskInactiveLinkCls = `${inactiveLinkCls} hover:text-gray-900 dark:hover:text-gray-100`;
+  // Same class recipe as the landing nav's desktop links; here only "Docs" is ever active.
+  const deskLinkCls = (active: boolean) =>
+    `relative z-10 rounded-md px-2.5 py-1.5 text-sm transition-colors ${active ? activeLinkCls : deskInactiveLinkCls}`;
 
   /**
    * The hover pill appears IN PLACE under the first link it lands on (position
@@ -64,25 +71,34 @@ export function Nav({ menuOpen, onToggleMenu }: { menuOpen: boolean; onToggleMen
     pillVisible.current = false;
   };
 
+  const desktopLinks = (
+    <>
+      {SECTION_IDS.map((id) => (
+        <a
+          key={id}
+          href={`${SITE_URL}#${id}`}
+          className={deskLinkCls(false)}
+          onMouseEnter={slideTo}
+        >
+          {sectionLabel[id]}
+        </a>
+      ))}
+      <a href={`${SITE_URL}blog`} className={deskLinkCls(false)} onMouseEnter={slideTo}>
+        {S.nav.blog}
+      </a>
+      {/* "Docs" is this SPA's own root — a router Link, and always the current page. */}
+      <Link to="/" className={deskLinkCls(true)} onMouseEnter={slideTo} aria-current="page">
+        {S.nav.docs}
+      </Link>
+    </>
+  );
+
   return (
     <header className="sticky top-0 z-40 border-b border-gray-200 bg-white/85 backdrop-blur dark:border-gray-800 dark:bg-gray-950/85">
       <div className="mx-auto flex h-14 max-w-7xl items-center gap-2 px-4 sm:px-6">
-        <button
-          type="button"
-          onClick={onToggleMenu}
-          aria-label={menuOpen ? S.nav.closeMenu : S.nav.openMenu}
-          aria-expanded={menuOpen}
-          className="mr-1 inline-flex h-9 w-9 items-center justify-center rounded-lg border border-transparent text-gray-600 transition-colors hover:border-gray-200 hover:bg-gray-50 lg:hidden dark:text-gray-400 dark:hover:border-gray-800 dark:hover:bg-gray-900"
-        >
-          {menuOpen ? <XIcon className="h-5 w-5" /> : <MenuIcon className="h-5 w-5" />}
-        </button>
-
         <a href={SITE_URL} className="flex items-center gap-2">
           <img src={`${import.meta.env.BASE_URL}penguin-logo.svg`} alt="" className="h-7 w-7" />
           <span className="text-[15px] font-semibold tracking-tight">{S.siteName}</span>
-          <span className="rounded-full border border-brand-200 bg-brand-50 px-2 py-0.5 text-xs font-medium text-brand-700 dark:border-brand-900 dark:bg-brand-950 dark:text-brand-300">
-            {S.docsBadge}
-          </span>
         </a>
 
         <nav
@@ -90,24 +106,14 @@ export function Nav({ menuOpen, onToggleMenu }: { menuOpen: boolean; onToggleMen
           aria-label="Primary"
           onMouseLeave={hidePill}
         >
-          {/* Sliding hover pill: appears in place, slides between links, fades out in place. */}
+          {/* Sliding hover pill: appears in place, slides between links, fades out in place; active links retain their own background. */}
           <span
             ref={pillRef}
             aria-hidden="true"
             className="absolute top-1/2 h-8 -translate-y-1/2 rounded-md bg-gray-100 transition-[left,width,opacity] duration-200 ease-out dark:bg-gray-800"
             style={{ left: 0, width: 0, opacity: 0 }}
           />
-          {SECTION_IDS.map((id) => (
-            <a key={id} href={`${SITE_URL}#${id}`} className={linkCls} onMouseEnter={slideTo}>
-              {sectionLabel[id]}
-            </a>
-          ))}
-          <a href={`${SITE_URL}blog`} className={linkCls} onMouseEnter={slideTo}>
-            {S.nav.blog}
-          </a>
-          <Link to="/" className={activeLinkCls} onMouseEnter={slideTo} aria-current="page">
-            {S.nav.docs}
-          </Link>
+          {desktopLinks}
         </nav>
 
         <div className="ml-auto flex items-center gap-1">
@@ -123,6 +129,17 @@ export function Nav({ menuOpen, onToggleMenu }: { menuOpen: boolean; onToggleMen
           >
             <GitHubIcon className="h-[18px] w-[18px]" />
           </a>
+          {/* Sidebar toggle: same slot and styling as the landing nav's menu button, but it
+              opens the docs sidebar and hides at lg (the sidebar's own breakpoint). */}
+          <button
+            type="button"
+            onClick={onToggleMenu}
+            aria-label={menuOpen ? S.nav.closeMenu : S.nav.openMenu}
+            aria-expanded={menuOpen}
+            className="inline-flex h-9 w-9 items-center justify-center rounded-lg border border-transparent text-gray-600 transition-colors hover:border-gray-200 hover:bg-gray-50 lg:hidden dark:text-gray-400 dark:hover:border-gray-800 dark:hover:bg-gray-900"
+          >
+            {menuOpen ? <XIcon className="h-5 w-5" /> : <MenuIcon className="h-5 w-5" />}
+          </button>
         </div>
       </div>
     </header>
diff --git a/packages/docs/src/lib/strings-en.ts b/packages/docs/src/lib/strings-en.ts
index 071fdb6..84d8e57 100644
--- a/packages/docs/src/lib/strings-en.ts
+++ b/packages/docs/src/lib/strings-en.ts
@@ -3,7 +3,6 @@ import type { Strings } from "./strings";
 
 export const en: Strings = {
   siteName: "PenguinHarness",
-  docsBadge: "Docs",
 
   nav: {
     highlights: "Highlights",
diff --git a/packages/docs/src/lib/strings.ts b/packages/docs/src/lib/strings.ts
index f3f7c92..ef294a4 100644
--- a/packages/docs/src/lib/strings.ts
+++ b/packages/docs/src/lib/strings.ts
@@ -7,7 +7,6 @@
  */
 export const zh = {
   siteName: "PenguinHarness",
-  docsBadge: "Docs",
 
   nav: {
     // Landing-parity labels: the top bar mirrors the landing page's nav exactly
diff --git a/packages/landing/src/components/footer.tsx b/packages/landing/src/components/footer.tsx
index 0ff5f31..ddbc3ca 100644
--- a/packages/landing/src/components/footer.tsx
+++ b/packages/landing/src/components/footer.tsx
@@ -1,4 +1,8 @@
-/** Site footer: brand + product/resource link columns + copyright. */
+/**
+ * Site footer: brand + product/resource link columns + copyright. The container is
+ * max-w-7xl to frame the page like the nav (chrome shared with the docs site), while
+ * content sections stay max-w-6xl.
+ */
 import { Link } from "react-router";
 import { S } from "../lib/strings";
 import { DOCS_URL, LICENSE_URL, RELEASES_URL, REPO_URL } from "../lib/links";
@@ -12,7 +16,7 @@ export function Footer() {
 
   return (
     <footer className="border-t border-gray-200 dark:border-gray-800">
-      <div className="mx-auto max-w-6xl px-4 py-12 sm:px-6">
+      <div className="mx-auto max-w-7xl px-4 py-12 sm:px-6">
         <div className="flex flex-col gap-10 sm:flex-row sm:justify-between">
           <div className="max-w-xs">
             <div className="flex items-center gap-2">
diff --git a/packages/landing/src/components/lang-toggle.tsx b/packages/landing/src/components/lang-toggle.tsx
index 28194fe..dfe92a7 100644
--- a/packages/landing/src/components/lang-toggle.tsx
+++ b/packages/landing/src/components/lang-toggle.tsx
@@ -47,7 +47,7 @@ export function LangToggle() {
       {open && (
         <div
           role="menu"
-          className="anim-pop absolute right-0 z-40 mt-1 w-36 rounded-lg border border-gray-200 bg-white py-1 shadow-lg dark:border-gray-700 dark:bg-gray-900"
+          className="anim-fade absolute right-0 z-40 mt-1 w-36 rounded-lg border border-gray-200 bg-white py-1 shadow-lg dark:border-gray-700 dark:bg-gray-900"
         >
           {OPTIONS.map((o) => (
             <button
diff --git a/packages/landing/src/components/nav.tsx b/packages/landing/src/components/nav.tsx
index 73dbc3b..8ba1b57 100644
--- a/packages/landing/src/components/nav.tsx
+++ b/packages/landing/src/components/nav.tsx
@@ -5,6 +5,10 @@
  * LIVE scroll position (scroll-spy), so the highlight follows as you scroll; on other
  * routes it falls back to route state (e.g. Blog). Section links route through "/#id"
  * so the URL hash stays in sync on click. A disclosure menu covers small screens.
+ *
+ * The markup and class strings are duplicated verbatim in the docs nav
+ * (packages/docs/src/components/nav.tsx — the two sites share no package, as with
+ * site-prefs.ts); keep the two files aligned so the navbars render identically.
  */
 import { useRef, useState } from "react";
 import type { MouseEvent } from "react";
@@ -141,7 +145,7 @@ export function Nav() {
 
   return (
     <header className="sticky top-0 z-40 border-b border-gray-200 bg-white/85 backdrop-blur dark:border-gray-800 dark:bg-gray-950/85">
-      <div className="mx-auto flex h-14 max-w-6xl items-center gap-2 px-4 sm:px-6">
+      <div className="mx-auto flex h-14 max-w-7xl items-center gap-2 px-4 sm:px-6">
         <Link to="/" className="flex items-center gap-2" onClick={() => setOpen(false)}>
           <img src={`${import.meta.env.BASE_URL}penguin-logo.svg`} alt="" className="h-7 w-7" />
           <span className="text-[15px] font-semibold tracking-tight">{S.siteName}</span>