Initial commit: Luftglanz drone website with integrated AI chat assistant

Features:
- Complete Luftglanz drone cleaning website
- AI chat assistant integrated with OpenAI API
- Expert product advice for AGO Quart and Mellerud cleaning products
- Formal German language support (Sie form)
- Secure PHP backend for API calls
- Responsive design with mobile support
- Product-specific knowledge base
- Safety statements from manufacturers
- Multi-page integration (index, products, services, contact)

Technical components:
- AI chat widget (js/ai-chat.js)
- Chat styling (css/components/ai-chat.css)
- Backend API (ai-chat-api.php)
- Product knowledge base with detailed specifications
- Demo and documentation files

form-get-handler.php

@@ -0,0 +1,76 @@
+<?php
+// Alternative form handler using GET method
+// This file works around servers that block POST to PHP files
+
+// Enable error reporting for debugging
+error_reporting(E_ALL);
+ini_set('display_errors', 1);
+
+// Log to help with debugging
+error_log("Form-GET-Handler received request: " . date('Y-m-d H:i:s'));
+error_log("REQUEST_METHOD: " . $_SERVER['REQUEST_METHOD']);
+
+// Process form data from either GET or POST
+$formData = $_SERVER['REQUEST_METHOD'] === 'POST' ? $_POST : $_GET;
+
+// Sanitize inputs
+$name = isset($formData['name']) ? htmlspecialchars($formData['name']) : '';
+$email = isset($formData['email']) ? filter_var($formData['email'], FILTER_SANITIZE_EMAIL) : '';
+$phone = isset($formData['phone']) ? htmlspecialchars($formData['phone']) : '';
+$message = isset($formData['message']) ? htmlspecialchars($formData['message']) : '';
+$subjectField = isset($formData['subject']) ? htmlspecialchars($formData['subject']) : '';
+
+// Log the received data
+error_log("Received data - Name: $name, Email: $email, Phone: $phone");
+
+// Simple validation
+$success = false;
+$errorMessage = '';
+
+if (empty($name) || empty($email) || empty($message) || empty($subjectField)) {
+    $errorMessage = 'Bitte füllen Sie alle Pflichtfelder aus.';
+} elseif (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
+    $errorMessage = 'Bitte geben Sie eine gültige E-Mail-Adresse ein.';
+} else {
+    // Construct message for the email
+    $emailBody = $message;
+    if (!empty($phone)) {
+        $emailBody .= "\n\nTelefonnummer: $phone";
+    }
+    
+    // Email details
+    $to = "kontakt@luftglanz.de";
+    $subject = $subjectField ?: "Neue Kontaktanfrage von $name";
+    
+    // Attempt to send email via internal mail function
+    $mailSent = mail($to, $subject, $emailBody, 
+        "From: $name <luftglanz@egonetix.de>\r\n" . 
+        "Reply-To: $email\r\n" . 
+        "X-Mailer: PHP/" . phpversion()
+    );
+    
+    if ($mailSent) {
+        $success = true;
+    } else {
+        $errorMessage = 'Es gab ein Problem beim Senden Ihrer Nachricht. Bitte versuchen Sie es später erneut.';
+        error_log("Mail sending failed");
+    }
+}
+
+// Handle the response
+if (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') {
+    // Ajax request - return JSON
+    header('Content-Type: application/json');
+    echo json_encode([
+        'success' => $success,
+        'message' => $errorMessage
+    ]);
+} else {
+    // Regular form submission - redirect with status
+    if ($success) {
+        header('Location: index.html?form_success=1#contact');
+    } else {
+        header('Location: index.html?form_error=' . urlencode($errorMessage) . '#contact');
+    }
+}
+?>