:root {
            --primary: #00f0ff;
            --secondary: #ff00aa;
            --dark: #0a0a20;
            --light: #e0e0ff;
            --accent: #7700ff;
            --text: #ffffff;
            --bg: #121230;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Courier New', monospace;
        }
        
        body {
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.6;
            padding-top: 80px;
            overflow-x: hidden;
        }
        
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(10, 10, 32, 0.9);
            backdrop-filter: blur(10px);
            padding: 15px 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 1000;
            border-bottom: 1px solid var(--primary);
        }
        
        .logo {
            font-size: 24px;
            font-weight: bold;
            color: var(--primary);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        
        .logo span {
            color: var(--secondary);
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 30px;
        }
        
        nav ul li a {
            color: var(--light);
            text-decoration: none;
            font-weight: bold;
            transition: color 0.3s;
            position: relative;
        }
        
        nav ul li a:hover {
            color: var(--primary);
        }
        
        nav ul li a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: width 0.3s;
        }
        
        nav ul li a:hover::after {
            width: 100%;
        }
        
        .burger {
            display: none;
            cursor: pointer;
        }
        
        .burger div {
            width: 25px;
            height: 3px;
            background-color: var(--light);
            margin: 5px;
            transition: all 0.3s ease;
        }
        
        section {
            padding: 80px 10%;
            position: relative;
        }
        
        .hero {
            height: 90vh;
            display: flex;
            align-items: center;
            background: linear-gradient(rgba(18, 18, 48, 0.8), rgba(18, 18, 48, 0.9)), url('https://images.unsplash.com/photo-1470549638415-0a0755be0619?q=80&w=1170&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }
        
        .hero-content {
            max-width: 600px;
        }
        
        h1 {
            font-size: 48px;
            margin-bottom: 20px;
            color: var(--primary);
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
        }
        
        h2 {
            font-size: 36px;
            margin-bottom: 30px;
            color: var(--primary);
            position: relative;
            display: inline-block;
        }
        
        h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 50%;
            height: 3px;
            background-color: var(--secondary);
        }
        
        h3 {
            font-size: 24px;
            margin-bottom: 15px;
            color: var(--light);
        }
        
        p {
            margin-bottom: 20px;
            font-size: 18px;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: var(--primary);
            color: var(--dark);
            text-decoration: none;
            font-weight: bold;
            border-radius: 30px;
            margin-top: 20px;
            transition: all 0.3s;
            border: 2px solid var(--primary);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .btn:hover {
            background-color: transparent;
            color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 240, 255, 0.4);
        }
        
        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            margin-left: 15px;
        }
        
        .btn-secondary:hover {
            background-color: var(--primary);
            color: var(--dark);
            box-shadow: 0 5px 15px rgba(0, 240, 255, 0.4);
        }
        
        .about-book {
            display: flex;
            align-items: center;
            gap: 50px;
        }
        
        .about-book img {
            width: 300px;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            transition: transform 0.5s;
        }
        
        .about-book img:hover {
            transform: scale(1.05) rotate(2deg);
        }
        
        .book-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .feature-card {
            background-color: rgba(10, 10, 32, 0.7);
            padding: 30px;
            border-radius: 10px;
            border-left: 3px solid var(--accent);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 30px rgba(119, 0, 255, 0.3);
        }
        
        .feature-card h3 {
            color: var(--secondary);
        }
        
        .quote {
            background-color: var(--dark);
            padding: 50px;
            border-radius: 10px;
            margin: 50px 0;
            position: relative;
            border-left: 5px solid var(--primary);
        }
        
        .quote::before {
            content: '"';
            position: absolute;
            top: 20px;
            left: 20px;
            font-size: 100px;
            color: rgba(0, 240, 255, 0.1);
            font-family: Georgia, serif;
        }
        
        .quote p {
            font-size: 24px;
            font-style: italic;
            position: relative;
            z-index: 1;
        }
        
        .quote-author {
            text-align: right;
            font-weight: bold;
            color: var(--primary);
            margin-top: 20px;
        }
        
        .pricing {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .price-card {
            background-color: rgba(10, 10, 32, 0.7);
            padding: 30px;
            border-radius: 10px;
            transition: transform 0.3s, box-shadow 0.3s;
            position: relative;
            overflow: hidden;
        }
        
        .price-card:first-child {
            border: 2px solid var(--primary);
        }
        
        .price-card:first-child::after {
            content: 'FREE';
            position: absolute;
            top: 20px;
            right: -30px;
            background-color: var(--secondary);
            color: white;
            padding: 5px 30px;
            transform: rotate(45deg);
            font-weight: bold;
        }
        
        .price-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 30px rgba(0, 240, 255, 0.3);
        }
        
        .price {
            font-size: 36px;
            font-weight: bold;
            margin: 20px 0;
            color: var(--primary);
        }
        
        .price span {
            font-size: 16px;
            color: var(--light);
        }
        
        .faq-item {
            margin-bottom: 20px;
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            padding-bottom: 20px;
        }
        
        .faq-question {
            font-weight: bold;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--light);
            transition: color 0.3s;
        }
        
        .faq-question:hover {
            color: var(--primary);
        }
        
        .faq-question::after {
            content: '+';
            font-size: 24px;
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding-top: 10px;
        }
        
        .faq-item.active .faq-question::after {
            content: '-';
        }
        
        .contact-form {
            background-color: rgba(10, 10, 32, 0.7);
            padding: 40px;
            border-radius: 10px;
            margin-top: 30px;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: var(--light);
        }
        
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px;
            background-color: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--primary);
            border-radius: 5px;
            color: var(--light);
            font-size: 16px;
        }
        
        .form-group textarea {
            height: 150px;
            resize: none;
        }
        
        footer {
            background-color: var(--dark);
            padding: 50px 10% 20px;
            text-align: center;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            text-align: left;
            margin-bottom: 30px;
        }
        
        .footer-column h3 {
            color: var(--primary);
            margin-bottom: 20px;
            font-size: 20px;
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 10px;
        }
        
        .footer-column ul li a {
            color: var(--light);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-column ul li a:hover {
            color: var(--primary);
        }
        
        .copyright {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            color: var(--light);
            font-size: 14px;
        }
        
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            z-index: 2000;
            justify-content: center;
            align-items: center;
        }
        
        .modal-content {
            background-color: var(--dark);
            padding: 40px;
            border-radius: 10px;
            max-width: 500px;
            text-align: center;
            position: relative;
            border: 2px solid var(--primary);
        }
        
        .close-modal {
            position: absolute;
            top: 10px;
            right: 10px;
            font-size: 24px;
            cursor: pointer;
            color: var(--light);
        }
        
        .cookie-banner {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background-color: var(--dark);
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 1000;
            border-top: 1px solid var(--primary);
        }
        
        .cookie-banner p {
            margin-bottom: 0;
            max-width: 80%;
        }
        
        .cookie-banner .btn {
            margin-top: 0;
        }
        
        @media (max-width: 992px) {
            nav ul {
                position: fixed;
                top: 80px;
                right: -100%;
                width: 50%;
                height: calc(100vh - 80px);
                background-color: var(--dark);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 30px;
                transition: right 0.5s ease;
                border-left: 1px solid var(--primary);
            }
            
            nav ul.active {
                right: 0;
            }
            
            nav ul li {
                margin: 15px 0;
            }
            
            .burger {
                display: block;
            }
            
            .burger.active div:nth-child(1) {
                transform: rotate(-45deg) translate(-5px, 6px);
            }
            
            .burger.active div:nth-child(2) {
                opacity: 0;
            }
            
            .burger.active div:nth-child(3) {
                transform: rotate(45deg) translate(-5px, -6px);
            }
            
            .hero-content {
                text-align: center;
            }
            
            .about-book {
                flex-direction: column;
                text-align: center;
            }
            
            h2::after {
                left: 50%;
                transform: translateX(-50%);
                width: 30%;
            }
        }
        
        @media (max-width: 768px) {
            h1 {
                font-size: 36px;
            }
            
            h2 {
                font-size: 28px;
            }
            
            section {
                padding: 60px 5%;
            }
            
            .quote p {
                font-size: 20px;
            }
            
            .cookie-banner {
                flex-direction: column;
                text-align: center;
            }
            
            .cookie-banner p {
                max-width: 100%;
                margin-bottom: 15px;
            }
        }
        
        /* Animations */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .animate-fade {
            animation: fadeIn 1s ease-out forwards;
        }
        
        .delay-1 {
            animation-delay: 0.2s;
        }
        
        .delay-2 {
            animation-delay: 0.4s;
        }
        
        .delay-3 {
            animation-delay: 0.6s;
        }
        
        .parallax {
            background-attachment: fixed;
            background-position: center;
            background-repeat: no-repeat;
            background-size: cover;
        }