diff --git a/includes/footer.php b/includes/footer.php
index 427d84e..8ba0a83 100644
--- a/includes/footer.php
+++ b/includes/footer.php
@@ -121,8 +121,8 @@
         </div>
     </div>
 
-    <script src="assets/js/main.js" defer></script>
-    <script src="assets/js/cookie-consent.js" defer></script>
+    <script src="/assets/js/main.js" defer></script>
+    <script src="/assets/js/cookie-consent.js" defer></script>
     <?php if (isset($additional_scripts)): ?>
         <?php foreach ($additional_scripts as $script): ?>
             <script src="<?php echo $script; ?>" defer></script>
diff --git a/includes/functions.php b/includes/functions.php
index 912433d..24d736c 100644
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -52,14 +52,14 @@ function includeHeader($title = '', $description = '', $page = '', $scripts = []
     $current_page = $page;
     $additional_scripts = $scripts;
     
-    include 'includes/header.php';
+    include __DIR__ . '/header.php';
 }
 
 /**
  * Include footer
  */
 function includeFooter() {
-    include 'includes/footer.php';
+    include __DIR__ . '/footer.php';
 }
 
 /**
diff --git a/includes/header.php b/includes/header.php
index d2b4780..3686703 100644
--- a/includes/header.php
+++ b/includes/header.php
@@ -13,7 +13,7 @@
     <link rel="preconnect" href="https://cdn.hexahost.de" crossorigin>
     
     <!-- Performance: Preload kritischer Ressourcen -->
-    <link rel="preload" href="assets/css/style.css" as="style">
+    <link rel="preload" href="/assets/css/style.css" as="style">
     <link rel="preload" href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" as="style">
     
     <title><?php echo isset($page_title) ? htmlspecialchars($page_title) : 'HexaHost.de - Zuverlässiges Hosting aus Niederbayern'; ?></title>
@@ -32,14 +32,14 @@
     <meta property="og:locale" content="de_DE">
     
     <!-- Main Stylesheet -->
-    <link rel="stylesheet" href="assets/css/style.css">
+    <link rel="stylesheet" href="/assets/css/style.css">
     
     <!-- Fonts -->
     <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Russo+One&family=Source+Sans+Pro:wght@300;400;600;700&display=swap" rel="stylesheet">
     
     <!-- Favicon -->
-    <link rel="icon" type="image/svg+xml" href="favicon.svg">
-    <link rel="apple-touch-icon" href="favicon.svg">
+    <link rel="icon" type="image/svg+xml" href="/favicon.svg">
+    <link rel="apple-touch-icon" href="/favicon.svg">
     
     <!-- Canonical URL (falls gesetzt) -->
     <?php if (isset($canonical_url)): ?>