diff --git a/index.php b/index.php
index 3e46f17..9383a5c 100644
--- a/index.php
+++ b/index.php
@@ -1,18 +1,27 @@
 <?php
+declare(strict_types=1);
+
+/*
+ * Absolute Webpfade verwenden!
+ * Ordnerstruktur im Webroot:
+ * /icons/...
+ * /style.css
+ */
+
 $projects = [
     "privat" => [
         [
             "title" => "Gitea",
             "description" => "Mein privates Git-Repository – Quellcode, Projekte & mehr.",
             "url" => "/git",
-            "logo" => "icons/gitea.svg",
+            "logo" => "/icons/gitea.svg",
             "color" => "#609926"
         ],
         [
             "title" => "Nextcloud",
             "description" => "Meine persönliche Cloud – Dateien, Kalender & Kontakte.",
             "url" => "/nextcloud",
-            "logo" => "icons/nextcloud.svg",
+            "logo" => "/icons/nextcloud.svg",
             "color" => "#0082c9"
         ],
     ],
@@ -21,7 +30,7 @@ $projects = [
             "title" => "Geizkragen.store",
             "description" => "Schulprojekt – Ein Online-Shop für Schnäppchenjäger.",
             "url" => "https://geizkragen.store",
-            "logo" => "icons/geizkragen.png",
+            "logo" => "/icons/geizkragen.png",
             "color" => "#e8281e",
             "external" => true
         ],
@@ -31,7 +40,7 @@ $projects = [
             "title" => "Home Assistant",
             "description" => "Meine Smart-Home-Zentrale – Automatisierungen & Geräte.",
             "url" => "http://homeassistant.fabianschieder.com",
-            "logo" => "icons/homeassistant.svg",
+            "logo" => "/icons/homeassistant.svg",
             "color" => "#18BCF2",
             "external" => true
         ],
@@ -39,12 +48,22 @@ $projects = [
             "title" => "NAS",
             "description" => "Mein Netzwerkspeicher – Daten & Backups.",
             "url" => "http://nas.fabianschieder.com",
-            "logo" => "icons/nas.svg",
+            "logo" => "/icons/nas.svg",
             "color" => "#a855f7",
             "external" => true
         ],
     ],
 ];
+
+/**
+ * Optional: Prüft serverseitig, ob die Logo-Datei existiert.
+ * Verhindert Broken Images.
+ */
+function logoExists(string $webPath): bool {
+    $filePath = $_SERVER['DOCUMENT_ROOT'] . $webPath;
+    return is_file($filePath);
+}
+
 ?>
 <!DOCTYPE html>
 <html lang="de">
@@ -52,76 +71,77 @@ $projects = [
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Fabian Schieder</title>
-    <link rel="stylesheet" href="style.css">
+    <link rel="stylesheet" href="/style.css">
     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css">
 </head>
 <body>
 
-    <div class="background-blur"></div>
+<div class="background-blur"></div>
 
-    <header>
-        <div class="avatar">FS</div>
-        <h1>Fabian Schieder</h1>
-        <p class="tagline">Entwickler &middot; Schüler &middot; Macher</p>
-    </header>
+<header>
+    <div class="avatar">FS</div>
+    <h1>Fabian Schieder</h1>
+    <p class="tagline">Entwickler · Schüler · Macher</p>
+</header>
 
-    <main>
-        <?php foreach ($projects as $category => $items): ?>
+<main>
+    <?php foreach ($projects as $category => $items): ?>
         <section>
             <h2 class="category-title">
-                <?php if ($category === "privat"): ?>
-                    <i class="fas fa-lock"></i> Privat
-                <?php elseif ($category === "schule"): ?>
-                    <i class="fas fa-graduation-cap"></i> Schule
-                <?php elseif ($category === "dienste"): ?>
-                    <i class="fas fa-network-wired"></i> Dienste
-                <?php endif; ?>
+                <?php
+                switch ($category) {
+                    case "privat":
+                        echo '<i class="fas fa-lock"></i> Privat';
+                        break;
+                    case "schule":
+                        echo '<i class="fas fa-graduation-cap"></i> Schule';
+                        break;
+                    case "dienste":
+                        echo '<i class="fas fa-network-wired"></i> Dienste';
+                        break;
+                }
+                ?>
             </h2>
+
             <div class="cards">
                 <?php foreach ($items as $project): ?>
-                <a
-                    href="<?= htmlspecialchars($project['url']) ?>"
-                    class="card"
-                    <?= !empty($project['external']) ? 'target="_blank" rel="noopener noreferrer"' : '' ?>
-                    style="--accent: <?= htmlspecialchars($project['color']) ?>;"
-                >
-                    <div class="card-icon">
-                        <?php if (!empty($project['logo'])): ?>
-                            <img
-                                src="<?= htmlspecialchars($project['logo']) ?>"
-                                alt="<?= htmlspecialchars($project['title']) ?> Logo"
-                                class="card-logo<?= !empty($project['logo_invert']) ? ' card-logo--invert' : '' ?><?= !empty($project['logo_bg']) ? ' card-logo--bg' : '' ?>"
-                            >
-                        <?php else: ?>
-                            <i class="<?= htmlspecialchars($project['icon']) ?>"></i>
-                        <?php endif; ?>
-                    </div>
-                    <div class="card-body">
-                        <h3><?= htmlspecialchars($project['title']) ?></h3>
-                        <p><?= htmlspecialchars($project['description']) ?></p>
-                    </div>
-                    <div class="card-arrow">
-                        <i class="fas fa-arrow-right"></i>
-                    </div>
-                </a>
+                    <a
+                            href="<?= htmlspecialchars($project['url'], ENT_QUOTES) ?>"
+                            class="card"
+                        <?= !empty($project['external']) ? 'target="_blank" rel="noopener noreferrer"' : '' ?>
+                            style="--accent: <?= htmlspecialchars($project['color'], ENT_QUOTES) ?>;"
+                    >
+
+                        <div class="card-icon">
+                            <?php if (!empty($project['logo']) && logoExists($project['logo'])): ?>
+                                <img
+                                        src="<?= htmlspecialchars($project['logo'], ENT_QUOTES) ?>"
+                                        alt="<?= htmlspecialchars($project['title'], ENT_QUOTES) ?> Logo"
+                                        class="card-logo"
+                                >
+                            <?php else: ?>
+                                <i class="fas fa-folder"></i>
+                            <?php endif; ?>
+                        </div>
+
+                        <div class="card-body">
+                            <h3><?= htmlspecialchars($project['title'], ENT_QUOTES) ?></h3>
+                            <p><?= htmlspecialchars($project['description'], ENT_QUOTES) ?></p>
+                        </div>
+
+                        <div class="card-arrow">
+                            <i class="fas fa-arrow-right"></i>
+                        </div>
+                    </a>
                 <?php endforeach; ?>
             </div>
         </section>
-        <?php endforeach; ?>
-    </main>
+    <?php endforeach; ?>
+</main>
 
-    <footer>
-        <p>&copy; <?= date('Y') ?> Fabian Schieder &mdash; Alle Rechte vorbehalten.</p>
-    </footer>
+<footer>
+    <p>&copy; <?= date('Y') ?> Fabian Schieder — Alle Rechte vorbehalten.</p>
+</footer>
 
 </body>
-</html>
-
-
-
-
-
-
-
-
-
+</html>
\ No newline at end of file
