diff --git a/assets/css/custom.css b/assets/css/custom.css
new file mode 100644
index 0000000..8f8cbae
--- /dev/null
+++ b/assets/css/custom.css
@@ -0,0 +1,97 @@
+/* Inter Font */
+@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
+
+:root {
+    --primary-color: #4F46E5;
+    --secondary-color: #10B981;
+    --background-color: #F9FAFB;
+    --surface-color: #FFFFFF;
+    --text-color: #111827;
+    --text-muted-color: #6B7281;
+    --border-radius-sm: 0.375rem;
+    --border-radius-lg: 0.5rem;
+}
+
+body {
+    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
+    background-color: var(--background-color);
+    color: var(--text-color);
+}
+
+.navbar {
+    border-bottom: 1px solid #E5E7EB;
+}
+
+.main-content {
+    min-height: calc(100vh - 100px);
+}
+
+.upload-section, .review-section {
+    max-width: 900px;
+    margin: auto;
+}
+
+.drop-zone {
+    border: 2px dashed #D1D5DB;
+    border-radius: var(--border-radius-lg);
+    padding: 4rem;
+    text-align: center;
+    cursor: pointer;
+    transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out;
+}
+
+.drop-zone.is-dragover {
+    background-color: #E0E7FF;
+    border-color: var(--primary-color);
+}
+
+.drop-zone-icon {
+    width: 48px;
+    height: 48px;
+    color: #9CA3AF;
+    margin: 0 auto 1rem;
+}
+
+.btn-primary {
+    background-color: var(--primary-color);
+    border-color: var(--primary-color);
+    border-radius: var(--border-radius-sm);
+    font-weight: 500;
+}
+.btn-primary:hover {
+    background-color: #4338CA;
+    border-color: #4338CA;
+}
+.btn-light {
+    border-radius: var(--border-radius-sm);
+    font-weight: 500;
+}
+
+.spinner-border {
+    width: 3rem;
+    height: 3rem;
+    color: var(--primary-color);
+}
+
+.review-card {
+    background-color: var(--surface-color);
+    border: 1px solid #E5E7EB;
+    border-radius: var(--border-radius-lg);
+    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
+}
+
+.document-preview {
+    background-color: #F3F4F6;
+    border-radius: var(--border-radius-lg);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    min-height: 200px;
+    color: var(--text-muted-color);
+}
+.form-label {
+    font-weight: 500;
+}
+.form-control {
+    border-radius: var(--border-radius-sm);
+}
diff --git a/assets/js/main.js b/assets/js/main.js
new file mode 100644
index 0000000..50e2b5c
--- /dev/null
+++ b/assets/js/main.js
@@ -0,0 +1,79 @@
+document.addEventListener('DOMContentLoaded', function () {
+    const uploadSection = document.getElementById('uploadSection');
+    const reviewSection = document.getElementById('reviewSection');
+    const processingSection = document.getElementById('processingSection');
+    const dropZone = document.getElementById('dropZone');
+    const fileInput = document.getElementById('fileInput');
+    const startAutomationBtn = document.getElementById('startAutomationBtn');
+    const discardBtn = document.getElementById('discardBtn');
+    const uploadNewBtn = document.getElementById('uploadNewBtn');
+
+    function showSection(section) {
+        [uploadSection, reviewSection, processingSection].forEach(s => s.classList.add('d-none'));
+        section.classList.remove('d-none');
+    }
+
+    function handleFileSelect(file) {
+        if (!file) return;
+
+        showSection(processingSection);
+
+        // Simulate AI processing
+        setTimeout(() => {
+            // Mock data - in a real app, this would come from an API call
+            document.getElementById('firstName').value = 'Max';
+            document.getElementById('lastName').value = 'Mustermann';
+            document.getElementById('street').value = 'Musterstraße 1';
+            document.getElementById('zip').value = '12345';
+            document.getElementById('city').value = 'Berlin';
+            document.getElementById('dob').value = '1990-01-15';
+            showSection(reviewSection);
+        }, 2500);
+    }
+
+    // --- Event Listeners ---
+
+    dropZone.addEventListener('click', () => fileInput.click());
+
+    dropZone.addEventListener('dragover', (e) => {
+        e.preventDefault();
+        dropZone.classList.add('is-dragover');
+    });
+
+    dropZone.addEventListener('dragleave', (e) => {
+        e.preventDefault();
+        dropZone.classList.remove('is-dragover');
+    });
+
+    dropZone.addEventListener('drop', (e) => {
+        e.preventDefault();
+        dropZone.classList.remove('is-dragover');
+        if (e.dataTransfer.files.length) {
+            fileInput.files = e.dataTransfer.files;
+            handleFileSelect(fileInput.files[0]);
+        }
+    });
+
+    fileInput.addEventListener('change', () => {
+        if (fileInput.files.length) {
+            handleFileSelect(fileInput.files[0]);
+        }
+    });
+
+    startAutomationBtn.addEventListener('click', () => {
+        alert('This would start the automation process on the backend. This is just a UI mock-up for now!');
+    });
+
+    discardBtn.addEventListener('click', () => {
+        if(confirm('Are you sure you want to discard the extracted data?')) {
+            showSection(uploadSection);
+        }
+    });
+    
+    uploadNewBtn.addEventListener('click', () => {
+        showSection(uploadSection);
+    });
+
+    // Initial state
+    showSection(uploadSection);
+});
diff --git a/index.php b/index.php
index 7205f3d..0145682 100644
--- a/index.php
+++ b/index.php
@@ -1,150 +1,119 @@
-<?php
-declare(strict_types=1);
-@ini_set('display_errors', '1');
-@error_reporting(E_ALL);
-@date_default_timezone_set('UTC');
-
-$phpVersion = PHP_VERSION;
-$now = date('Y-m-d H:i:s');
-?>
-<!doctype html>
+<!DOCTYPE html>
 <html lang="en">
 <head>
-  <meta charset="utf-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1" />
-  <title>New Style</title>
-<?php
-// Read project preview data from environment
-$projectDescription = $_SERVER['PROJECT_DESCRIPTION'] ?? '';
-$projectImageUrl = $_SERVER['PROJECT_IMAGE_URL'] ?? '';
-?>
-<?php if ($projectDescription): ?>
-  <!-- Meta description -->
-  <meta name="description" content='<?= htmlspecialchars($projectDescription) ?>' />
-  <!-- Open Graph meta tags -->
-  <meta property="og:description" content="<?= htmlspecialchars($projectDescription) ?>" />
-  <!-- Twitter meta tags -->
-  <meta property="twitter:description" content="<?= htmlspecialchars($projectDescription) ?>" />
-<?php endif; ?>
-<?php if ($projectImageUrl): ?>
-  <!-- Open Graph image -->
-  <meta property="og:image" content="<?= htmlspecialchars($projectImageUrl) ?>" />
-  <!-- Twitter image -->
-  <meta property="twitter:image" content="<?= htmlspecialchars($projectImageUrl) ?>" />
-<?php endif; ?>
-  <link rel="preconnect" href="https://fonts.googleapis.com">
-  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;700&display=swap" rel="stylesheet">
-  <style>
-    :root {
-      --bg-color-start: #6a11cb;
-      --bg-color-end: #2575fc;
-      --text-color: #ffffff;
-      --card-bg-color: rgba(255, 255, 255, 0.01);
-      --card-border-color: rgba(255, 255, 255, 0.1);
-    }
-    body {
-      margin: 0;
-      font-family: 'Inter', sans-serif;
-      background: linear-gradient(45deg, var(--bg-color-start), var(--bg-color-end));
-      color: var(--text-color);
-      display: flex;
-      justify-content: center;
-      align-items: center;
-      min-height: 100vh;
-      text-align: center;
-      overflow: hidden;
-      position: relative;
-    }
-    body::before {
-      content: '';
-      position: absolute;
-      top: 0;
-      left: 0;
-      width: 100%;
-      height: 100%;
-      background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path d="M-10 10L110 10M10 -10L10 110" stroke-width="1" stroke="rgba(255,255,255,0.05)"/></svg>');
-      animation: bg-pan 20s linear infinite;
-      z-index: -1;
-    }
-    @keyframes bg-pan {
-      0% { background-position: 0% 0%; }
-      100% { background-position: 100% 100%; }
-    }
-    main {
-      padding: 2rem;
-    }
-    .card {
-      background: var(--card-bg-color);
-      border: 1px solid var(--card-border-color);
-      border-radius: 16px;
-      padding: 2rem;
-      backdrop-filter: blur(20px);
-      -webkit-backdrop-filter: blur(20px);
-      box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
-    }
-    .loader {
-      margin: 1.25rem auto 1.25rem;
-      width: 48px;
-      height: 48px;
-      border: 3px solid rgba(255, 255, 255, 0.25);
-      border-top-color: #fff;
-      border-radius: 50%;
-      animation: spin 1s linear infinite;
-    }
-    @keyframes spin {
-      from { transform: rotate(0deg); }
-      to   { transform: rotate(360deg); }
-    }
-    .hint {
-      opacity: 0.9;
-    }
-    .sr-only {
-      position: absolute;
-      width: 1px; height: 1px;
-      padding: 0; margin: -1px;
-      overflow: hidden;
-      clip: rect(0, 0, 0, 0);
-      white-space: nowrap; border: 0;
-    }
-    h1 {
-      font-size: 3rem;
-      font-weight: 700;
-      margin: 0 0 1rem;
-      letter-spacing: -1px;
-    }
-    p {
-      margin: 0.5rem 0;
-      font-size: 1.1rem;
-    }
-    code {
-      background: rgba(0,0,0,0.2);
-      padding: 2px 6px;
-      border-radius: 4px;
-      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
-    }
-    footer {
-      position: absolute;
-      bottom: 1rem;
-      font-size: 0.8rem;
-      opacity: 0.7;
-    }
-  </style>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    
+    <title><?php echo htmlspecialchars($_SERVER['PROJECT_NAME'] ?? 'B2C Productivity Platform'); ?></title>
+    <meta name="description" content="<?php echo htmlspecialchars($_SERVER['PROJECT_DESCRIPTION'] ?? 'Automate administrative tasks with AI.'); ?>">
+    
+    <!-- Bootstrap 5 CSS -->
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
+    
+    <!-- Custom CSS -->
+    <link rel="stylesheet" href="assets/css/custom.css?v=<?php echo time(); ?>">
+
 </head>
 <body>
-  <main>
-    <div class="card">
-      <h1>Analyzing your requirements and generating your website…</h1>
-      <div class="loader" role="status" aria-live="polite" aria-label="Applying initial changes">
-        <span class="sr-only">Loading…</span>
-      </div>
-      <p class="hint"><?= ($_SERVER['HTTP_HOST'] ?? '') === 'appwizzy.com' ? 'AppWizzy' : 'Flatlogic' ?> AI is collecting your requirements and applying the first changes.</p>
-      <p class="hint">This page will update automatically as the plan is implemented.</p>
-      <p>Runtime: PHP <code><?= htmlspecialchars($phpVersion) ?></code> — UTC <code><?= htmlspecialchars($now) ?></code></p>
-    </div>
-  </main>
-  <footer>
-    Page updated: <?= htmlspecialchars($now) ?> (UTC)
-  </footer>
+
+    <nav class="navbar navbar-expand-lg navbar-light bg-white">
+        <div class="container">
+            <a class="navbar-brand fw-bold" href="/"><?php echo htmlspecialchars($_SERVER['PROJECT_NAME'] ?? 'FormAutomator'); ?></a>
+        </div>
+    </nav>
+
+    <main class="main-content container py-5">
+
+        <!-- 1. Upload Section -->
+        <section id="uploadSection" class="upload-section">
+            <div class="text-center mb-5">
+                <h1 class="h2 fw-bold">Secure Document Upload</h1>
+                <p class="text-muted">Upload your form (PDF, PNG, JPG) to begin the automated process.</p>
+            </div>
+            <div id="dropZone" class="drop-zone">
+                <input type="file" id="fileInput" class="d-none" accept=".pdf,.png,.jpg,.jpeg">
+                <div class="drop-zone-icon">
+                    <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor">
+                        <path stroke-linecap="round" stroke-linejoin="round" d="M12 16.5V9.75m0 0l-3 3m3-3l3 3M6.75 19.5a4.5 4.5 0 01-1.41-8.775 5.25 5.25 0 0110.233-2.33 3 3 0 013.758 3.848A3.752 3.752 0 0118 19.5H6.75z" />
+                    </svg>
+                </div>
+                <p class="mb-1 fw-bold">Drag & drop your file here</p>
+                <p class="text-muted mb-2">or click to browse</p>
+                <p class="small text-muted">PDF, PNG, or JPG (max 5MB)</p>
+            </div>
+        </section>
+
+        <!-- 2. Processing Section -->
+        <section id="processingSection" class="d-none text-center py-5">
+             <div class="spinner-border mb-4" role="status">
+                <span class="visually-hidden">Loading...</span>
+            </div>
+            <h2 class="h4 fw-bold">Extracting Data...</h2>
+            <p class="text-muted">Our AI is analyzing your document. This may take a moment.</p>
+        </section>
+
+
+        <!-- 3. Review Section -->
+        <section id="reviewSection" class="review-section d-none">
+            <div class="d-flex justify-content-between align-items-center mb-4">
+                 <div>
+                    <h1 class="h3 fw-bold">Review Extracted Data</h1>
+                    <p class="text-muted">Please verify the information below before starting the automation.</p>
+                </div>
+                <button class="btn btn-light" id="uploadNewBtn">Upload New</button>
+            </div>
+           
+            <div class="review-card">
+                <div class="row g-0">
+                    <div class="col-md-5 d-none d-md-flex align-items-center justify-content-center p-4">
+                        <div class="document-preview w-100 h-100">
+                           <p>Document Preview</p>
+                        </div>
+                    </div>
+                    <div class="col-md-7 p-4 p-lg-5">
+                        <form>
+                            <div class="row g-3">
+                                <div class="col-md-6">
+                                    <label for="firstName" class="form-label">First Name</label>
+                                    <input type="text" class="form-control" id="firstName">
+                                </div>
+                                <div class="col-md-6">
+                                    <label for="lastName" class="form-label">Last Name</label>
+                                    <input type="text" class="form-control" id="lastName">
+                                </div>
+                                <div class="col-12">
+                                    <label for="street" class="form-label">Street Address</label>
+                                    <input type="text" class="form-control" id="street">
+                                </div>
+                                <div class="col-md-4">
+                                    <label for="zip" class="form-label">ZIP Code</label>
+                                    <input type="text" class="form-control" id="zip">
+                                </div>
+                                <div class="col-md-8">
+                                    <label for="city" class="form-label">City</label>
+                                    <input type="text" class="form-control" id="city">
+                                </div>
+                                <div class="col-12">
+                                    <label for="dob" class="form-label">Date of Birth</label>
+                                    <input type="date" class="form-control" id="dob">
+                                </div>
+                            </div>
+                            <hr class="my-4">
+                            <div class="d-flex justify-content-end gap-2">
+                                <button type="button" id="discardBtn" class="btn btn-light">Discard</button>
+                                <button type="button" id="startAutomationBtn" class="btn btn-primary">Approve & Start Automation</button>
+                            </div>
+                        </form>
+                    </div>
+                </div>
+            </div>
+        </section>
+
+    </main>
+
+    <!-- Bootstrap 5 JS -->
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
+    <!-- Custom JS -->
+    <script src="assets/js/main.js?v=<?php echo time(); ?>"></script>
 </body>
-</html>
+</html>
\ No newline at end of file