:root {
            --neon-pink: #ff2a6d;
            --electric-blue: #05d9e8;
            --dark-purple: #1a1a2e;
            --cyber-yellow: #d1f700;
            --matrix-green: #00ff9f;
            --main-font: 'Rajdhani', sans-serif;
            --secondary-font: 'Orbitron', sans-serif;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: var(--main-font);
            background-color: var(--dark-purple);
            color: white;
            line-height: 1.6;
            overflow-x: hidden;
            padding-top: 80px;
        }

        @font-face {
            font-family: 'Rajdhani';
            font-style: normal;
            font-weight: 400;
            src: url(https://fonts.gstatic.com/s/rajdhani/v13/LDIxapCSOBg7S-QT7p4HM-M.ttf) format('truetype');
        }

        @font-face {
            font-family: 'Orbitron';
            font-style: normal;
            font-weight: 400;
            src: url(https://fonts.gstatic.com/s/orbitron/v25/yMJRMIlzdpvBhQQL_Qq7dys.ttf) format('truetype');
        }

        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);
            box-shadow: 0 0 15px rgba(255, 42, 109, 0.5);
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .logo {
            font-family: var(--secondary-font);
            font-size: 1.8rem;
            color: var(--neon-pink);
            text-decoration: none;
            letter-spacing: 2px;
            text-shadow: 0 0 10px rgba(255, 42, 109, 0.7);
        }

        .logo span {
            color: var(--electric-blue);
        }

        .nav-links {
            display: flex;
            list-style: none;
        }

        .nav-links li {
            margin-left: 30px;
        }

        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--neon-pink);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -5px;
            left: 0;
            background-color: var(--neon-pink);
            transition: width 0.3s ease;
        }

        .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;
        }

        .hero {
            height: 90vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(rgba(26, 26, 46, 0.7), rgba(26, 26, 46, 0.9));
            z-index: 1;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            text-align: center;
            width: 100%;
        }

        .hero h1 {
            font-family: var(--secondary-font);
            font-size: 3.5rem;
            margin-bottom: 20px;
            color: var(--neon-pink);
            text-shadow: 0 0 15px rgba(255, 42, 109, 0.7);
            letter-spacing: 3px;
        }

        .hero p {
            font-size: 1.5rem;
            max-width: 800px;
            margin: 0 auto 30px;
            color: var(--electric-blue);
        }

        .btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: var(--neon-pink);
            color: white;
            text-decoration: none;
            border-radius: 30px;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            font-family: var(--main-font);
            box-shadow: 0 0 15px rgba(255, 42, 109, 0.5);
        }

        .btn:hover {
            background-color: var(--electric-blue);
            color: var(--dark-purple);
            box-shadow: 0 0 20px rgba(5, 217, 232, 0.7);
            transform: translateY(-3px);
        }

        .btn-secondary {
            background-color: transparent;
            border: 2px solid var(--electric-blue);
            color: var(--electric-blue);
            margin-left: 15px;
            box-shadow: 0 0 15px rgba(5, 217, 232, 0.3);
        }

        .btn-secondary:hover {
            background-color: var(--electric-blue);
            color: var(--dark-purple);
        }

        section {
            padding: 80px 0;
            position: relative;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        h2 {
            font-family: var(--secondary-font);
            font-size: 2.5rem;
            margin-bottom: 40px;
            color: var(--electric-blue);
            text-align: center;
            position: relative;
        }

        h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 3px;
            background-color: var(--neon-pink);
            box-shadow: 0 0 10px rgba(255, 42, 109, 0.7);
        }

        h3 {
            font-family: var(--secondary-font);
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--cyber-yellow);
        }

        .about-book {
            background-color: rgba(26, 26, 46, 0.7);
            backdrop-filter: blur(5px);
            border-radius: 10px;
            padding: 40px;
            margin-bottom: 40px;
            border: 1px solid var(--neon-pink);
            box-shadow: 0 0 20px rgba(255, 42, 109, 0.3);
        }

        .about-book p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

        .book-cover {
            float: right;
            margin-left: 30px;
            margin-bottom: 20px;
            border-radius: 5px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
            border: 2px solid var(--electric-blue);
            max-width: 300px;
            width: 100%;
            height: auto;
            transition: transform 0.3s ease;
        }

        .book-cover:hover {
            transform: scale(1.05) rotate(2deg);
        }

        .clearfix::after {
            content: "";
            display: table;
            clear: both;
        }

        .for-whom {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .audience-card {
            background-color: rgba(26, 26, 46, 0.7);
            padding: 30px;
            border-radius: 10px;
            border: 1px solid var(--matrix-green);
            box-shadow: 0 0 15px rgba(0, 255, 159, 0.2);
            transition: all 0.3s ease;
        }

        .audience-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 25px rgba(0, 255, 159, 0.4);
        }

        .audience-card h3 {
            color: var(--matrix-green);
            margin-bottom: 15px;
        }

        .audience-card ul {
            list-style-position: inside;
        }

        .audience-card li {
            margin-bottom: 10px;
        }

        .inside-book {
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.9), rgba(5, 217, 232, 0.1));
            padding: 60px 0;
            margin: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .inside-book::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('https://images.unsplash.com/photo-1535905557558-afc4877a26fc?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') center/cover no-repeat;
            opacity: 0.1;
            z-index: -1;
        }

        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .feature-card {
            background-color: rgba(26, 26, 46, 0.8);
            padding: 30px;
            border-radius: 10px;
            border: 1px solid var(--neon-pink);
            box-shadow: 0 0 15px rgba(255, 42, 109, 0.2);
            transition: all 0.3s ease;
            text-align: center;
        }

        .feature-card:hover {
            transform: scale(1.05);
            box-shadow: 0 0 25px rgba(255, 42, 109, 0.4);
        }

        .feature-icon {
            font-size: 2.5rem;
            color: var(--neon-pink);
            margin-bottom: 20px;
        }

        .quote-section {
            background-color: rgba(5, 217, 232, 0.1);
            padding: 80px 0;
            text-align: center;
            border-top: 1px solid var(--electric-blue);
            border-bottom: 1px solid var(--electric-blue);
        }

        .quote {
            max-width: 800px;
            margin: 0 auto;
            font-style: italic;
            font-size: 1.5rem;
            color: var(--cyber-yellow);
            position: relative;
            padding: 0 40px;
        }

        .quote::before, .quote::after {
            content: '"';
            font-size: 3rem;
            color: var(--neon-pink);
            opacity: 0.5;
            position: absolute;
        }

        .quote::before {
            top: -20px;
            left: 0;
        }

        .quote::after {
            bottom: -40px;
            right: 0;
        }

        .author {
            display: block;
            margin-top: 30px;
            font-weight: bold;
            font-size: 1.2rem;
            color: var(--electric-blue);
        }

        .pricing {
            background-color: rgba(26, 26, 46, 0.9);
            padding: 80px 0;
        }

        .pricing-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .pricing-card {
            background-color: rgba(26, 26, 46, 0.8);
            border-radius: 10px;
            padding: 40px 30px;
            text-align: center;
            border: 1px solid var(--electric-blue);
            box-shadow: 0 0 15px rgba(5, 217, 232, 0.2);
            transition: all 0.3s ease;
            position: relative;
        }

        .pricing-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 25px rgba(5, 217, 232, 0.4);
        }

        .pricing-card.free {
            border-color: var(--matrix-green);
            box-shadow: 0 0 15px rgba(0, 255, 159, 0.3);
        }

        .pricing-card.free::after {
            content: 'ÜCRETSİZ';
            position: absolute;
            top: -15px;
            right: 20px;
            background-color: var(--matrix-green);
            color: var(--dark-purple);
            padding: 5px 15px;
            border-radius: 20px;
            font-weight: bold;
            font-size: 0.9rem;
        }

        .pricing-card h3 {
            color: var(--electric-blue);
            margin-bottom: 20px;
        }

        .price {
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--neon-pink);
            margin-bottom: 20px;
        }

        .price span {
            font-size: 1rem;
            color: white;
            opacity: 0.7;
        }

        .pricing-card ul {
            list-style: none;
            margin-bottom: 30px;
        }

        .pricing-card li {
            margin-bottom: 10px;
            position: relative;
            padding-left: 25px;
        }

        .pricing-card li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--matrix-green);
            font-weight: bold;
        }

        .pricing-card.free li::before {
            color: var(--electric-blue);
        }

        .faq {
            background-color: rgba(26, 26, 46, 0.7);
            padding: 80px 0;
        }

        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            margin-bottom: 20px;
            border: 1px solid var(--electric-blue);
            border-radius: 5px;
            overflow: hidden;
            box-shadow: 0 0 10px rgba(5, 217, 232, 0.1);
        }

        .faq-question {
            padding: 20px;
            background-color: rgba(5, 217, 232, 0.1);
            color: var(--electric-blue);
            cursor: pointer;
            font-weight: bold;
            font-size: 1.1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s ease;
        }

        .faq-question:hover {
            background-color: rgba(5, 217, 232, 0.2);
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            transition: all 0.3s ease;
        }

        .faq-question.active::after {
            content: '-';
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            background-color: rgba(26, 26, 46, 0.5);
        }

        .faq-answer p {
            padding: 20px 0;
        }

        .contact {
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.9), rgba(255, 42, 109, 0.1));
            padding: 80px 0;
        }

        .contact-form {
            max-width: 600px;
            margin: 0 auto;
            background-color: rgba(26, 26, 46, 0.8);
            padding: 40px;
            border-radius: 10px;
            border: 1px solid var(--neon-pink);
            box-shadow: 0 0 20px rgba(255, 42, 109, 0.3);
        }

        .form-group {
            margin-bottom: 25px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: var(--electric-blue);
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            background-color: rgba(26, 26, 46, 0.7);
            border: 1px solid var(--electric-blue);
            border-radius: 5px;
            color: white;
            font-family: var(--main-font);
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--neon-pink);
            box-shadow: 0 0 10px rgba(255, 42, 109, 0.5);
        }

        textarea.form-control {
            min-height: 150px;
            resize: none;
        }

        .submit-btn {
            width: 100%;
            padding: 15px;
            background-color: var(--neon-pink);
            color: white;
            border: none;
            border-radius: 5px;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 1px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: var(--main-font);
            font-size: 1.1rem;
            box-shadow: 0 0 15px rgba(255, 42, 109, 0.5);
        }

        .submit-btn:hover {
            background-color: var(--electric-blue);
            box-shadow: 0 0 20px rgba(5, 217, 232, 0.7);
        }

        .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;
            border-radius: 10px;
            text-align: center;
            max-width: 500px;
            width: 90%;
            border: 2px solid var(--neon-pink);
            box-shadow: 0 0 30px rgba(255, 42, 109, 0.7);
            position: relative;
            animation: modalFadeIn 0.5s ease;
        }

        @keyframes modalFadeIn {
            from {
                opacity: 0;
                transform: translateY(-50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .close-modal {
            position: absolute;
            top: 15px;
            right: 15px;
            font-size: 1.5rem;
            color: var(--electric-blue);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .close-modal:hover {
            color: var(--neon-pink);
            transform: rotate(90deg);
        }

        .modal h3 {
            color: var(--neon-pink);
            margin-bottom: 20px;
            font-size: 2rem;
        }

        .modal p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            color: var(--electric-blue);
        }

        .cookie-banner {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background-color: rgba(26, 26, 46, 0.9);
            padding: 20px;
            border-top: 1px solid var(--electric-blue);
            z-index: 1000;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .cookie-text {
            flex: 1;
            min-width: 300px;
            margin-right: 20px;
            color: white;
        }

        .cookie-buttons {
            display: flex;
            gap: 10px;
        }

        .cookie-btn {
            padding: 8px 20px;
            border-radius: 20px;
            cursor: pointer;
            font-weight: bold;
            transition: all 0.3s ease;
        }

        .cookie-accept {
            background-color: var(--matrix-green);
            color: var(--dark-purple);
            border: none;
        }

        .cookie-accept:hover {
            background-color: var(--electric-blue);
        }

        .cookie-decline {
            background-color: transparent;
            border: 1px solid var(--neon-pink);
            color: var(--neon-pink);
        }

        .cookie-decline:hover {
            background-color: rgba(255, 42, 109, 0.2);
        }

        footer {
            background-color: rgba(5, 5, 15, 0.9);
            padding: 60px 0 20px;
            border-top: 1px solid var(--neon-pink);
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }

        .footer-logo {
            font-family: var(--secondary-font);
            font-size: 1.8rem;
            color: var(--neon-pink);
            margin-bottom: 20px;
            display: block;
        }

        .footer-logo span {
            color: var(--electric-blue);
        }

        .footer-about p {
            margin-bottom: 20px;
        }

        .footer-links h3, .footer-contact h3 {
            color: var(--electric-blue);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: white;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--neon-pink);
            padding-left: 5px;
        }

        .contact-info {
            margin-bottom: 20px;
        }

        .contact-info p {
            margin-bottom: 10px;
            display: flex;
            align-items: center;
        }

        .contact-info i {
            margin-right: 10px;
            color: var(--neon-pink);
        }

        .copyright {
            text-align: center;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }

        .disclaimer {
            background-color: rgba(255, 42, 109, 0.1);
            padding: 30px;
            margin-top: 80px;
            border-radius: 5px;
            border-left: 4px solid var(--neon-pink);
        }

        .disclaimer h3 {
            color: var(--neon-pink);
            margin-bottom: 15px;
        }

        .disclaimer p {
            font-size: 0.9rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.8);
        }

        /* Parallax effect */
        .parallax {
            background-attachment: fixed;
            background-position: center;
            background-repeat: no-repeat;
            background-size: cover;
        }

        /* Animations */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in {
            animation: fadeIn 1s ease forwards;
        }

        .delay-1 {
            animation-delay: 0.2s;
        }

        .delay-2 {
            animation-delay: 0.4s;
        }

        .delay-3 {
            animation-delay: 0.6s;
        }

        .delay-4 {
            animation-delay: 0.8s;
        }

        /* Responsive styles */
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 2.8rem;
            }
            
            .hero p {
                font-size: 1.3rem;
            }
            
            h2 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: absolute;
                right: 0;
                top: 80px;
                background-color: rgba(26, 26, 46, 0.95);
                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;
            }
            
            .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 h1 {
                font-size: 2.5rem;
            }
            
            .hero p {
                font-size: 1.1rem;
            }
            
            .book-cover {
                float: none;
                margin: 0 auto 30px;
                display: block;
            }
            
            .btn-container {
                display: flex;
                flex-direction: column;
                gap: 15px;
            }
            
            .btn-secondary {
                margin-left: 0;
            }
            
            .footer-container {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 576px) {
            .hero h1 {
                font-size: 2rem;
            }
            
            h2 {
                font-size: 1.8rem;
            }
            
            h3 {
                font-size: 1.5rem;
            }
            
            .about-book, .contact-form {
                padding: 30px 20px;
            }
            
            .feature-card, .audience-card {
                padding: 20px;
            }
            
            .quote {
                font-size: 1.2rem;
                padding: 0 20px;
            }
            
            .cookie-banner {
                flex-direction: column;
                text-align: center;
            }
            
            .cookie-text {
                margin-right: 0;
                margin-bottom: 15px;
            }
        }