diff --git a/assets/ac_qr_logo.png b/assets/ac_qr_logo.png
index d95f9cb..c8c2e3a 100644
Binary files a/assets/ac_qr_logo.png and b/assets/ac_qr_logo.png differ
diff --git a/platform/nav_shell.php b/platform/nav_shell.php
index 13ff616..ce1b6fa 100644
--- a/platform/nav_shell.php
+++ b/platform/nav_shell.php
@@ -28,16 +28,16 @@ function platform_render_nav_shell(array $opts = []): void
     $isActive = static fn(string $id): string => $active === $id ? ' active' : '';
 
     $items = [
-        ['id' => 'console', 'href' => $issuesBase . '/?view=home', 'icon' => 'home', 'label' => 'Console', 'desc' => 'Crash triage home and workspace cards.', 'i18n' => 'nav.console', 'i18n_desc' => 'nav.console_desc'],
-        ['id' => 'git', 'href' => $projectBase . '/git/', 'icon' => 'git', 'label' => 'Git', 'desc' => 'Browse repos, branches, and tags.', 'i18n' => 'nav.git', 'i18n_desc' => 'nav.git_desc'],
-        ['id' => 'issues', 'href' => $issuesBase . '/?view=reports', 'icon' => 'reports', 'label' => 'Issues', 'desc' => 'Browse and triage crash reports.', 'i18n' => 'nav.issues', 'i18n_desc' => 'nav.issues_desc'],
+        ['id' => 'console', 'href' => $issuesBase . '/?view=home', 'icon' => 'home', 'label' => 'Home', 'desc' => 'Console dashboard and workspace overview.'],
+        ['id' => 'git', 'href' => $projectBase . '/git/', 'icon' => 'git', 'label' => 'Source code', 'desc' => 'Repositories, branches, tags, and releases.'],
+        ['id' => 'issues', 'href' => $issuesBase . '/?view=reports', 'icon' => 'reports', 'label' => 'Crash reports', 'desc' => 'Search, filter, and triage incoming crash reports.'],
         ['id' => 'tickets', 'href' => $issuesBase . '/?view=tickets', 'icon' => 'tickets', 'label' => 'Tickets', 'desc' => 'Roadmap tasks, QA items, and tags.', 'i18n' => 'nav.tickets', 'i18n_desc' => 'nav.tickets_desc'],
         ['id' => 'graphs', 'href' => $projectBase . '/graphs/', 'icon' => 'graphs', 'label' => 'Analytics', 'desc' => 'Sessions, live cast stats, and device activity.', 'i18n' => 'nav.graphs', 'i18n_desc' => 'nav.graphs_desc'],
         ['id' => 'monitor', 'href' => $projectBase . '/monitor/', 'icon' => 'monitor', 'label' => 'Monitoring', 'desc' => 'Grafana dashboards — cluster health, alerts, exporters.', 'i18n' => 'nav.monitor', 'i18n_desc' => 'nav.monitor_desc'],
-        ['id' => 'live_sessions', 'href' => $issuesBase . '/?view=live_sessions', 'icon' => 'live', 'label' => 'Live sessions', 'desc' => 'Cast intents, join stats, session history.', 'i18n' => 'nav.live_sessions', 'i18n_desc' => 'nav.live_sessions_desc'],
-        ['id' => 'education', 'href' => $issuesBase . '/live/education', 'icon' => 'education', 'label' => 'Education (demo)', 'desc' => 'Browser screen-share trial (5 min).', 'i18n' => 'nav.education', 'i18n_desc' => 'nav.education_desc'],
+        ['id' => 'live_sessions', 'href' => $issuesBase . '/?view=live_sessions', 'icon' => 'live', 'label' => 'Live casting', 'desc' => 'Active cast sessions, join stats, and session history.'],
+        ['id' => 'education', 'href' => $issuesBase . '/live/education', 'icon' => 'education', 'label' => 'Try screen share', 'desc' => 'Five-minute browser demo — share your screen, no app install.'],
         ['id' => 'remote', 'href' => $issuesBase . '/?view=remote_access', 'icon' => 'remote', 'label' => 'Remote access', 'desc' => 'WireGuard sessions and device reachability.', 'i18n' => 'nav.remote', 'i18n_desc' => 'nav.remote_desc'],
-        ['id' => 'short_links', 'href' => $issuesBase . '/?view=short_links', 'icon' => 'link', 'label' => 'Short links', 'desc' => 'Mint bearer tokens and shorten URLs for s.f0xx.org.', 'i18n' => 'nav.short_links', 'i18n_desc' => 'nav.short_links_desc'],
+        ['id' => 'short_links', 'href' => $issuesBase . '/?view=short_links', 'icon' => 'link', 'label' => 'Short links', 'desc' => 'Shorten URLs and manage API tokens for s.f0xx.org.'],
         ['id' => 'builder', 'href' => $projectBase . '/build/', 'icon' => 'builder', 'label' => 'Builder', 'desc' => 'Docker CI for APK baking and OTA artifacts.', 'i18n' => 'nav.builder', 'i18n_desc' => 'nav.builder_desc'],
     ];
     ?>
@@ -48,16 +48,21 @@ function platform_render_nav_shell(array $opts = []): void
         <span class="nav-icon nav-icon--menu" aria-hidden="true"></span>
       </button>
       <ul class="nav-list">
-        <?php foreach ($items as $item): ?>
+        <?php foreach ($items as $item):
+            $i18n = isset($item['i18n']) ? (string) $item['i18n'] : '';
+            $i18nDesc = isset($item['i18n_desc']) ? (string) $item['i18n_desc'] : '';
+            $label = (string) $item['label'];
+            $desc = (string) $item['desc'];
+            ?>
         <li>
           <a href="<?= platform_nav_h((string) $item['href']) ?>"
              class="nav-link<?= $isActive((string) $item['id']) ?>"
-             data-i18n-title="<?= platform_nav_h((string) $item['i18n']) ?>"
-             title="<?= platform_nav_h((string) $item['label']) ?>">
+             <?php if ($i18n !== ''): ?>data-i18n-title="<?= platform_nav_h($i18n) ?>"<?php endif; ?>
+             title="<?= platform_nav_h($label) ?>">
             <span class="nav-icon nav-icon--<?= platform_nav_h((string) $item['icon']) ?>" aria-hidden="true"></span>
             <span class="nav-text">
-              <span class="nav-label" data-i18n="<?= platform_nav_h((string) $item['i18n']) ?>"><?= platform_nav_h((string) $item['label']) ?></span>
-              <span class="nav-desc" data-i18n="<?= platform_nav_h((string) $item['i18n_desc']) ?>"><?= platform_nav_h((string) $item['desc']) ?></span>
+              <span class="nav-label"<?php if ($i18n !== ''): ?> data-i18n="<?= platform_nav_h($i18n) ?>"<?php endif; ?>><?= platform_nav_h($label) ?></span>
+              <span class="nav-desc"<?php if ($i18nDesc !== ''): ?> data-i18n="<?= platform_nav_h($i18nDesc) ?>"<?php endif; ?>><?= platform_nav_h($desc) ?></span>
             </span>
           </a>
         </li>
diff --git a/src/QrBrandedRenderer.php b/src/QrBrandedRenderer.php
index 0e20fb0..bcae2a0 100644
--- a/src/QrBrandedRenderer.php
+++ b/src/QrBrandedRenderer.php
@@ -3,8 +3,8 @@ declare(strict_types=1);
 
 /** Branded QR PNG: high error correction + centered app logo with white border. */
 final class QrBrandedRenderer {
-    private const LOGO_FRACTION = 0.22;
-    private const BORDER_FRACTION = 0.045;
+    private const LOGO_FRACTION = 0.24;
+    private const BORDER_FRACTION = 0.05;
 
     private function __construct() {
     }
@@ -32,10 +32,25 @@ final class QrBrandedRenderer {
 
     /** @return list<string> */
     private static function logoCandidates(): array {
-        return [
-            __DIR__ . '/../public/assets/ac_qr_logo.png',
-            __DIR__ . '/../assets/ac_qr_logo.png',
-        ];
+        $paths = [];
+        $env = getenv('AC_QR_LOGO_PATH');
+        if (is_string($env) && $env !== '') {
+            $paths[] = $env;
+        }
+        $paths[] = __DIR__ . '/../public/assets/ac_qr_logo.png';
+        $paths[] = __DIR__ . '/../assets/ac_qr_logo.png';
+        $paths[] = dirname(__DIR__, 2) . '/ac-ms-url-shortener/assets/ac_qr_logo.png';
+        return $paths;
+    }
+
+    /** @return \GdImage|false */
+    private static function loadLogoImage(string $path) {
+        $bytes = @file_get_contents($path);
+        if (!is_string($bytes) || $bytes === '') {
+            return false;
+        }
+        $img = @imagecreatefromstring($bytes);
+        return $img !== false ? $img : false;
     }
 
     private static function logoPath(): ?string {
@@ -79,7 +94,7 @@ final class QrBrandedRenderer {
         if ($qr === false) {
             return null;
         }
-        $logo = @imagecreatefrompng($logoPath);
+        $logo = self::loadLogoImage($logoPath);
         if ($logo === false) {
             imagedestroy($qr);
             return null;