:root {
            --neon-pink: #ff2a6d;
            --electric-blue: #05d9e8;
            --dark-purple: #1a1a2e;
            --cyber-yellow: #d1f700;
            --matrix-green: #00ff9f;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Courier New', monospace;
        }
        
        body {
            background-color: var(--dark-purple);
            color: white;
            line-height: 1.6;
            padding-top: 80px;
            overflow-x: hidden;
        }
        
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(26, 26, 46, 0.9);
            backdrop-filter: blur(10px);
            padding: 15px 0;
            z-index: 1000;
            border-bottom: 1px solid var(--neon-pink);
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .logo {
            color: var(--neon-pink);
            font-size: 24px;
            font-weight: bold;
            text-decoration: none;
            text-shadow: 0 0 5px var(--neon-pink);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: bold;
            transition: color 0.3s;
            position: relative;
        }
        
        .nav-links a:hover {
            color: var(--electric-blue);
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -5px;
            left: 0;
            background-color: var(--electric-blue);
            transition: width 0.3s;
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        .burger {
            display: none;
            cursor: pointer;
        }
        
        .burger div {
            width: 25px;
            height: 3px;
            background-color: white;
            margin: 5px;
            transition: all 0.3s ease;
        }
        
        section {
            padding: 80px 20px;
            position: relative;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            color: var(--neon-pink);
            text-shadow: 0 0 10px rgba(255, 42, 109, 0.5);
        }
        
        h2 {
            font-size: 2.5rem;
            margin-bottom: 30px;
            color: var(--electric-blue);
            position: relative;
            display: inline-block;
        }
        
        h2::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 3px;
            bottom: -5px;
            left: 0;
            background: linear-gradient(90deg, var(--electric-blue), transparent);
        }
        
        h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            color: var(--cyber-yellow);
        }
        
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: var(--neon-pink);
            color: white;
            text-decoration: none;
            border-radius: 0;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            box-shadow: 0 0 10px rgba(255, 42, 109, 0.5);
        }
        
        .btn:hover {
            background-color: var(--electric-blue);
            box-shadow: 0 0 20px rgba(5, 217, 232, 0.7);
            transform: translateY(-3px);
        }
        
        .hero {
            height: 100vh;
            min-height: 600px;
            display: flex;
            align-items: center;
            background: linear-gradient(rgba(26, 26, 46, 0.8), rgba(26, 26, 46, 0.8)), 
                        url('https://images.unsplash.com/photo-1519791883288-dc8bd696e667?q=80&w=1170&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D') no-repeat center center/cover;
            position: relative;
            overflow: hidden;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
        }
        
        .hero h1 {
            font-size: 4rem;
            line-height: 1.2;
            margin-bottom: 30px;
            animation: glow 2s infinite alternate;
        }
        
        @keyframes glow {
            from {
                text-shadow: 0 0 5px var(--neon-pink);
            }
            to {
                text-shadow: 0 0 20px var(--neon-pink), 0 0 30px var(--electric-blue);
            }
        }
        
        .hero p {
            font-size: 1.3rem;
            margin-bottom: 40px;
        }
        
        .book-cover {
            position: absolute;
            right: 10%;
            top: 50%;
            transform: translateY(-50%);
            width: 300px;
            box-shadow: 0 0 30px rgba(5, 217, 232, 0.5);
            transition: transform 0.5s;
            z-index: 1;
        }
        
        .book-cover:hover {
            transform: translateY(-50%) scale(1.05);
        }
        
        .about-book {
            background-color: rgba(26, 26, 46, 0.7);
            position: relative;
            overflow: hidden;
        }
        
        .about-book::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('https://images.unsplash.com/photo-1519791883288-dc8bd696e667?q=80&w=1170&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D') no-repeat center center/cover;
            opacity: 0.2;
            z-index: -1;
        }
        
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .feature-card {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 30px;
            border-left: 3px solid var(--neon-pink);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
            border-left: 3px solid var(--electric-blue);
        }
        
        .quote {
            background-color: rgba(5, 217, 232, 0.1);
            padding: 60px;
            margin: 60px 0;
            border-left: 5px solid var(--electric-blue);
            position: relative;
        }
        
        .quote::before {
            content: '"';
            position: absolute;
            top: 20px;
            left: 20px;
            font-size: 100px;
            color: rgba(255, 255, 255, 0.1);
            font-family: serif;
        }
        
        .quote p {
            font-size: 1.5rem;
            font-style: italic;
            position: relative;
            z-index: 1;
        }
        
        .quote-author {
            display: block;
            margin-top: 20px;
            font-weight: bold;
            color: var(--neon-pink);
        }
        
        .pricing {
            background-color: rgba(26, 26, 46, 0.9);
        }
        
        .pricing-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .pricing-card {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 40px 30px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }
        
        .pricing-card.featured {
            border: 1px solid var(--neon-pink);
            box-shadow: 0 0 20px rgba(255, 42, 109, 0.3);
        }
        
        .pricing-card.featured::after {
            content: 'POPÜLER';
            position: absolute;
            top: 20px;
            right: -30px;
            background-color: var(--neon-pink);
            color: white;
            padding: 5px 30px;
            transform: rotate(45deg);
            font-size: 12px;
            font-weight: bold;
        }
        
        .pricing-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        
        .price {
            font-size: 3rem;
            font-weight: bold;
            color: var(--electric-blue);
            margin: 20px 0;
        }
        
        .price span {
            font-size: 1rem;
            opacity: 0.7;
        }
        
        .pricing-card ul {
            list-style: none;
            margin: 30px 0;
        }
        
        .pricing-card li {
            margin-bottom: 10px;
            position: relative;
            padding-left: 25px;
        }
        
        .pricing-card li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--matrix-green);
        }
        
        .faq {
            background-color: rgba(26, 26, 46, 0.7);
        }
        
        .faq-item {
            margin-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .faq-question {
            padding: 20px 0;
            cursor: pointer;
            font-weight: bold;
            position: relative;
        }
        
        .faq-question::after {
            content: '+';
            position: absolute;
            right: 0;
            font-size: 1.5rem;
            transition: transform 0.3s;
        }
        
        .faq-question.active::after {
            transform: rotate(45deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 20px;
        }
        
        .faq-answer.show {
            max-height: 500px;
            padding-bottom: 20px;
        }
        
        .contact-form {
            max-width: 600px;
            margin: 0 auto;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 40px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: var(--electric-blue);
        }
        
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px;
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: white;
            font-size: 1rem;
        }
        
        .form-group textarea {
            height: 150px;
            resize: none;
        }
        
        footer {
            background-color: #0d0d1a;
            padding: 60px 20px 30px;
            color: rgba(255, 255, 255, 0.7);
        }
        
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
        }
        
        .footer-logo {
            color: var(--neon-pink);
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 20px;
            display: block;
        }
        
        .footer-links h3 {
            color: var(--electric-blue);
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        
        .footer-links ul {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: var(--electric-blue);
        }
        
        .contact-info p {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .contact-info i {
            margin-right: 10px;
            color: var(--electric-blue);
        }
        
        .copyright {
            text-align: center;
            margin-top: 60px;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
        }
        
        .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-purple);
            padding: 40px;
            max-width: 500px;
            text-align: center;
            border: 1px solid var(--neon-pink);
            position: relative;
        }
        
        .close-modal {
            position: absolute;
            top: 10px;
            right: 10px;
            font-size: 24px;
            cursor: pointer;
            color: var(--neon-pink);
        }
        
        .cookie-banner {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background-color: rgba(26, 26, 46, 0.9);
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 1000;
            border-top: 1px solid var(--electric-blue);
        }
        
        .cookie-banner p {
            margin-bottom: 0;
            max-width: 80%;
        }
        
        .cookie-banner .btn {
            margin-left: 20px;
            white-space: nowrap;
        }
        
        @media (max-width: 992px) {
            .book-cover {
                display: none;
            }
            
            .hero-content {
                max-width: 100%;
                text-align: center;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                position: absolute;
                right: 0;
                top: 80px;
                background-color: var(--dark-purple);
                width: 100%;
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                clip-path: circle(0px at 90% -10%);
                transition: all 0.5s ease-out;
                pointer-events: none;
                border-bottom: 1px solid var(--neon-pink);
            }
            
            .nav-links.active {
                clip-path: circle(1000px at 90% -10%);
                pointer-events: all;
            }
            
            .nav-links li {
                margin: 15px 0;
            }
            
            .burger {
                display: block;
            }
            
            h1 {
                font-size: 2.5rem;
            }
            
            h2 {
                font-size: 2rem;
            }
            
            .hero h1 {
                font-size: 3rem;
            }
            
            .quote {
                padding: 30px;
            }
            
            .quote p {
                font-size: 1.2rem;
            }
            
            .cookie-banner {
                flex-direction: column;
                text-align: center;
            }
            
            .cookie-banner .btn {
                margin: 10px 0 0;
            }
        }
        
        @media (max-width: 480px) {
            h1 {
                font-size: 2rem;
            }
            
            h2 {
                font-size: 1.8rem;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .contact-form {
                padding: 20px;
            }
        }