* { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6; color: #2d3748;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 40px 20px;
        }
        .container { max-width: 1000px; margin: 0 auto; background: white; border-radius: 16px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3); overflow: hidden; }
        .header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white; padding: 60px 40px; text-align: center;
        }
        .header h1 { font-size: 2.2em; margin-bottom: 20px; font-weight: 700; line-height: 1.3; }
        .header .subhead { font-size: 1.05em; opacity: 0.95; margin-bottom: 30px; line-height: 1.6; }
        .urgency-bar { background: #fff3cd; border-left: 4px solid #ffc107; padding: 15px 20px; margin: 30px 0; font-weight: 600; color: #856404; text-align: center; }
        .section { padding: 50px 40px; }
        .section:nth-child(even) { background: #f7fafc; }
        .section h2 { font-size: 1.8em; color: #2d3748; margin-bottom: 20px; font-weight: 700; }
        .bundle-card {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white; padding: 40px;
            border-radius: 12px; margin: 30px 0;
        }
        .bundle-card h3 { font-size: 1.6em; margin-bottom: 15px; }
        .bundle-card .price { font-size: 1.8em; font-weight: 700; margin: 15px 0; }
        .bundle-card ul { margin: 20px 0; padding-left: 0; list-style: none; }
        .bundle-card li { margin: 10px 0; padding-left: 25px; position: relative; }
        .bundle-card li:before { content: "✅"; position: absolute; left: 0; }
        .cta-button {
            display: inline-block; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white; padding: 15px 40px; border-radius: 8px;
            text-decoration: none; font-weight: 600; font-size: 1.1em;
            transition: all 0.3s ease; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            margin: 10px 5px;
        }
        .cta-button:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3); }
        .cta-button.secondary { background: white; color: #667eea; }
        .books-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 25px; margin: 30px 0; }
        .book-card {
            background: white; border: 2px solid #e2e8f0;
            border-radius: 12px; padding: 30px;
            transition: all 0.3s ease;
        }
        .book-card:hover { border-color: #667eea; box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2); }
        .book-tag { display: inline-block; background: #667eea; color: white; padding: 6px 12px; border-radius: 6px; font-size: 0.85em; font-weight: 600; margin-bottom: 15px; }
        .book-card h3 { color: #2d3748; margin-bottom: 10px; font-size: 1.4em; }
        .book-price { color: #667eea; font-weight: 700; font-size: 1.3em; margin: 15px 0; }
        .book-card p { color: #4a5568; font-size: 0.95em; line-height: 1.7; margin-bottom: 20px; }
        .proof-section { background: #f0f4ff; border-left: 4px solid #667eea; padding: 30px; margin: 30px 0; border-radius: 8px; }
        .proof-section p { margin: 10px 0; }
        .proof-section .quote { font-style: italic; color: #667eea; font-weight: 600; margin: 15px 0; }
        .secondary-cta { background: #f7fafc; padding: 30px; border-radius: 12px; text-align: center; margin: 30px 0; }
        .secondary-cta h3 { margin-bottom: 15px; }
        .footer-cta {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white; padding: 50px 40px; text-align: center;
        }
        .footer-cta h2 { margin-bottom: 20px; }
        @media (max-width: 768px) {
            .header h1 { font-size: 1.6em; }
            .books-grid { grid-template-columns: 1fr; }
        }