Implement product visibility management: Added configuration for product visibility in navigation and footer, along with helper functions to determine visibility and generate HTML attributes. Updated footer, header, and index files to utilize these new functions, enhancing the user interface by conditionally displaying products based on their visibility settings.

backend/config/products-config.php

@@ -443,10 +443,43 @@ $PRODUCTS['webhosting'] = [
     ],
 ];
 
+// Sichtbarkeit in Navigation, Footer und auf der Startseite (Seiten bleiben per URL erreichbar)
+$PRODUCT_VISIBILITY = [
+    'vpc' => false,
+    'vps' => false,
+    'mail-gateway' => false,
+    'webhosting' => true,
+];
+
 // ============================================================================
 // HILFSFUNKTIONEN
 // ============================================================================
 
+/**
+ * Prüft, ob eine Produktkategorie in der Navigation angezeigt wird
+ */
+function isProductVisible(string $productId): bool {
+    global $PRODUCT_VISIBILITY;
+    return $PRODUCT_VISIBILITY[$productId] ?? true;
+}
+
+/**
+ * HTML hidden-Attribut für ausgeblendete Produktkategorien
+ */
+function productHiddenAttr(string $productId): string {
+    return isProductVisible($productId) ? '' : ' hidden';
+}
+
+/**
+ * Aktive Navigationsseiten für sichtbare Produktkategorien
+ *
+ * @return string[]
+ */
+function getVisibleProductPageIds(): array {
+    global $PRODUCT_VISIBILITY;
+    return array_keys(array_filter($PRODUCT_VISIBILITY, static fn(bool $visible): bool => $visible));
+}
+
 /**
  * Alle Produkte abrufen
  */

backend/includes/footer.php

@@ -15,10 +15,10 @@
                 <div class="footer-section">
                     <h4>Produkte</h4>
                     <ul>
-                        <li><a href="/vpc">Virtual Private Container</a></li>
+                        <li<?php echo productHiddenAttr('vpc'); ?>><a href="/vpc">Virtual Private Container</a></li>
-                        <li><a href="/vps">Virtual Private Server</a></li>
+                        <li<?php echo productHiddenAttr('vps'); ?>><a href="/vps">Virtual Private Server</a></li>
-                        <li><a href="/mail-gateway">Mail Gateway</a></li>
+                        <li<?php echo productHiddenAttr('mail-gateway'); ?>><a href="/mail-gateway">Mail Gateway</a></li>
-                        <li><a href="/webhosting">Webhosting</a></li>
+                        <li<?php echo productHiddenAttr('webhosting'); ?>><a href="/webhosting">Webhosting</a></li>
                     </ul>
                 </div>
                 <div class="footer-section">

backend/includes/functions.php

@@ -3,6 +3,8 @@
  * Helper functions for HexaHost.de
  */
 
+require_once __DIR__ . '/../config/products-config.php';
+
 // Sichere Session-Konfiguration
 if (session_status() === PHP_SESSION_NONE) {
     // Session-Cookie-Sicherheit

backend/includes/header.php

@@ -59,12 +59,12 @@
                 <ul class="nav-menu">
                     <li><a href="/" class="nav-link <?php echo ($current_page === 'home') ? 'active' : ''; ?>">Home</a></li>
                     <li class="nav-dropdown">
-                        <a href="#" class="nav-link <?php echo (in_array($current_page, ['vpc', 'vps', 'mail-gateway', 'webhosting'])) ? 'active' : ''; ?>">Produkte</a>
+                        <a href="#" class="nav-link <?php echo (in_array($current_page, getVisibleProductPageIds(), true)) ? 'active' : ''; ?>">Produkte</a>
                         <ul class="dropdown-menu">
-                            <li><a href="/vpc" class="<?php echo ($current_page === 'vpc') ? 'active' : ''; ?>">Virtual Private Container</a></li>
+                            <li<?php echo productHiddenAttr('vpc'); ?>><a href="/vpc" class="<?php echo ($current_page === 'vpc') ? 'active' : ''; ?>">Virtual Private Container</a></li>
-                            <li><a href="/vps" class="<?php echo ($current_page === 'vps') ? 'active' : ''; ?>">Virtual Private Server</a></li>
+                            <li<?php echo productHiddenAttr('vps'); ?>><a href="/vps" class="<?php echo ($current_page === 'vps') ? 'active' : ''; ?>">Virtual Private Server</a></li>
-                            <li><a href="/mail-gateway" class="<?php echo ($current_page === 'mail-gateway') ? 'active' : ''; ?>">Mail Gateway</a></li>
+                            <li<?php echo productHiddenAttr('mail-gateway'); ?>><a href="/mail-gateway" class="<?php echo ($current_page === 'mail-gateway') ? 'active' : ''; ?>">Mail Gateway</a></li>
-                            <li><a href="/webhosting" class="<?php echo ($current_page === 'webhosting') ? 'active' : ''; ?>">Webhosting</a></li>
+                            <li<?php echo productHiddenAttr('webhosting'); ?>><a href="/webhosting" class="<?php echo ($current_page === 'webhosting') ? 'active' : ''; ?>">Webhosting</a></li>
                         </ul>
                     </li>
                     <li><a href="/it-dienstleistungen" class="nav-link <?php echo ($current_page === 'it-dienstleistungen') ? 'active' : ''; ?>">IT-Dienstleistungen</a></li>

public/index.php

@@ -54,7 +54,7 @@ includeHeader($page_title, $page_description, $current_page);
                 </p>
             </div>
             <div class="products-grid">
-                <div class="product-card glass-card">
+                <div class="product-card glass-card"<?php echo productHiddenAttr('vpc'); ?>>
                     <div class="product-icon">
                         <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                             <path d="M4 7V4a2 2 0 0 1 2-2h8a2 2 0 0 1 2 2v3"/>
@@ -74,7 +74,7 @@ includeHeader($page_title, $page_description, $current_page);
                     </ul>
                     <a href="/vpc" class="btn btn-primary">Mehr erfahren</a>
                 </div>
-                <div class="product-card glass-card">
+                <div class="product-card glass-card"<?php echo productHiddenAttr('vps'); ?>>
                     <div class="product-icon">
                         <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                             <rect x="2" y="3" width="20" height="14" rx="2" ry="2"/>
@@ -92,7 +92,7 @@ includeHeader($page_title, $page_description, $current_page);
                     </ul>
                     <a href="/vps" class="btn btn-primary">Mehr erfahren</a>
                 </div>
-                <div class="product-card glass-card">
+                <div class="product-card glass-card"<?php echo productHiddenAttr('mail-gateway'); ?>>
                     <div class="product-icon">
                         <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                             <path d="M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z"/>