diff --git a/app/default/styles/base.css b/app/default/styles/base.css
index ff51983..7f67bc8 100644
--- a/app/default/styles/base.css
+++ b/app/default/styles/base.css
@@ -86,7 +86,7 @@ header {
         margin-top: .4rem;
         padding: 0;
         justify-content: flex-end;
-        a {
+        li {
           margin-left:0.4rem;
           margin-top:0.4rem;
         }
diff --git a/app/default/templates/base.php b/app/default/templates/base.php
index d602f64..437af54 100644
--- a/app/default/templates/base.php
+++ b/app/default/templates/base.php
@@ -17,6 +17,9 @@ function getActiveClass($href) { return rtrim(parse_url($_SERVER['REQUEST_URI'],
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <?php if (!empty($metaDescription)): ?>
+    <meta name="description" content="<?= htmlspecialchars($metaDescription) ?>">
+    <?php endif; ?>
     <link rel="stylesheet" href="<?= $cssUrl ?>?v=<?= $cssHash ?>">
     <link rel="icon" href="/favicon.svg" type="image/svg+xml">
     <link rel="icon" href="/favicon.png" type="image/png">
@@ -36,10 +39,10 @@ function getActiveClass($href) { return rtrim(parse_url($_SERVER['REQUEST_URI'],
                 </div>
                 <nav>
                     <ul>
-                        <a href="/" class="button <?php echo getActiveClass('/'); ?>"><li><?= htmlspecialchars($translations['home'] ?? 'Home') ?></li></a>
+                        <li><a href="/" class="button <?php echo getActiveClass('/'); ?>"><?= htmlspecialchars($translations['home'] ?? 'Home') ?></a></li>
                         <?php if (!empty($navigation)): ?>
                             <?php foreach ($navigation as $item): ?>
-                        <a href="<?= htmlspecialchars($item['url']) ?>" class="button <?php echo getActiveClass($item['url']); ?>"><li><?= htmlspecialchars($item['title']) ?></li></a>
+                        <li><a href="<?= htmlspecialchars($item['url']) ?>" class="button <?php echo getActiveClass($item['url']); ?>"><?= htmlspecialchars($item['title']) ?></a></li>
                             <?php endforeach; ?>
                         <?php endif; ?>
                     </ul>
diff --git a/app/helpers.php b/app/helpers.php
index 1310da0..76eee95 100644
--- a/app/helpers.php
+++ b/app/helpers.php
@@ -64,3 +64,43 @@ function findPdfFile(string $dirPath): ?string {
     $pdfs = glob("$dirPath/*.pdf") ?: [];
     return $pdfs ? basename($pdfs[0]) : null;
 }
+
+function extractMetaDescription(string $dirPath, ?array $metadata, string $lang, string $defaultLang): ?string {
+    // 1. Check for search_description in metadata
+    if ($metadata && isset($metadata['search_description'])) {
+        return $metadata['search_description'];
+    }
+    
+    // 2. Fall back to summary in metadata
+    if ($metadata && isset($metadata['summary'])) {
+        return $metadata['summary'];
+    }
+    
+    // 3. Fall back to first paragraph in content files
+    $files = findAllContentFiles($dirPath, $lang, $defaultLang, []);
+    if (empty($files)) return null;
+    
+    foreach ($files as $file) {
+        $ext = pathinfo($file, PATHINFO_EXTENSION);
+        $content = file_get_contents($file);
+        
+        if ($ext === 'md') {
+            // Skip headings and extract first paragraph
+            $lines = explode("\n", $content);
+            foreach ($lines as $line) {
+                $line = trim($line);
+                if (empty($line) || str_starts_with($line, '#')) continue;
+                if (strlen($line) > 20) { // Ignore very short lines
+                    return strip_tags($line);
+                }
+            }
+        } elseif (in_array($ext, ['html', 'php'])) {
+            // Extract first <p> tag content
+            if (preg_match('/<p[^>]*>(.*?)<\/p>/is', $content, $matches)) {
+                return strip_tags($matches[1]);
+            }
+        }
+    }
+    
+    return null;
+}
diff --git a/app/rendering.php b/app/rendering.php
index cd7f739..47bc4a6 100644
--- a/app/rendering.php
+++ b/app/rendering.php
@@ -57,6 +57,7 @@ function renderFile(Context $ctx, string $filePath): void {
         $pageDir = dirname($realPath);
         $pageMetadata = loadMetadata($pageDir, $ctx->currentLang, $ctx->defaultLang);
         $pageTitle = $pageMetadata['title'] ?? null;
+        $metaDescription = extractMetaDescription($pageDir, $pageMetadata, $ctx->currentLang, $ctx->defaultLang);
 
         // Wrap content with page template
         ob_start();
@@ -94,6 +95,7 @@ function renderMultipleFiles(Context $ctx, array $filePaths, string $pageDir): v
     
     $pageMetadata = loadMetadata($pageDir, $ctx->currentLang, $ctx->defaultLang);
     $pageTitle = $pageMetadata['title'] ?? null;
+    $metaDescription = extractMetaDescription($pageDir, $pageMetadata, $ctx->currentLang, $ctx->defaultLang);
 
     // Wrap content with page template
     ob_start();
diff --git a/app/router.php b/app/router.php
index 75ac757..30dc30b 100644
--- a/app/router.php
+++ b/app/router.php
@@ -135,6 +135,7 @@ switch ($parsedPath['type']) {
         $homeLabel = $ctx->homeLabel;
         $translations = $ctx->translations;
         $pageTitle = $metadata['title'] ?? null;
+        $metaDescription = extractMetaDescription($dir, $metadata, $ctx->currentLang, $ctx->defaultLang);
 
         include $ctx->templates->base;
         exit;
