:root {
            --primary: #FF4D00;
            --secondary: #00C4FF;
            --accent: #FFE600;
            --dark: #1A1A2E;
            --light: #F5F5F5;
            --text: #333333;
            --bg: #FAFAFA;
            --card-bg: #FFFFFF;
            --font-main: 'Arial', sans-serif;
            --font-heading: 'Georgia', serif;
        }

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

        body {
            font-family: var(--font-main);
            color: var(--text);
            background-color: var(--bg);
            line-height: 1.6;
            padding-top: 80px;
            background-image: linear-gradient(to bottom, rgba(26, 26, 46, 0.05) 1px, transparent 1px);
            background-size: 100% 20px;
        }

        h1, h2, h3, h4 {
            font-family: var(--font-heading);
            margin-bottom: 1rem;
            color: var(--dark);
        }

        h1 {
            font-size: 2.5rem;
            line-height: 1.2;
        }

        h2 {
            font-size: 2rem;
            position: relative;
            display: inline-block;
        }

        h2:after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 50%;
            height: 3px;
            background: var(--primary);
        }

        h3 {
            font-size: 1.5rem;
        }

        p {
            margin-bottom: 1rem;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: all 0.3s ease;
        }

        a:hover {
            color: var(--secondary);
        }

        img {
            max-width: 100%;
            height: auto;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: 30px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-size: 0.9rem;
            box-shadow: 0 4px 15px rgba(255, 77, 0, 0.3);
        }

        .btn:hover {
            background-color: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 196, 255, 0.4);
        }

        .btn-secondary {
            background-color: var(--secondary);
            box-shadow: 0 4px 15px rgba(0, 196, 255, 0.3);
        }

        .btn-secondary:hover {
            background-color: var(--primary);
            box-shadow: 0 6px 20px rgba(255, 77, 0, 0.4);
        }

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

        section:nth-child(even) {
            background-color: var(--card-bg);
        }

        .text-center {
            text-align: center;
        }

        .text-center h2:after {
            left: 25%;
        }

        /* Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: var(--dark);
            color: white;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 15px 0;
            transition: all 0.3s ease;
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            color: white;
            display: flex;
            align-items: center;
        }

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

        nav ul {
            display: flex;
            list-style: none;
        }

        nav ul li {
            margin-left: 30px;
        }

        nav ul li a {
            color: white;
            font-weight: 500;
        }

        nav ul li a:hover {
            color: var(--secondary);
        }

        .burger {
            display: none;
            cursor: pointer;
        }

        .burger div {
            width: 25px;
            height: 3px;
            background-color: white;
            margin: 5px;
            transition: all 0.3s ease;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, var(--dark) 0%, #2A2A4A 100%);
            color: white;
            padding: 120px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('https://images.unsplash.com/photo-1519682577862-22b62b24e493?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: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            color: white;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            color: rgba(255, 255, 255, 0.9);
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 40px;
        }

        .hero-image {
            margin-top: 50px;
            position: relative;
            perspective: 1000px;
        }

        .hero-image img {
            border-radius: 10px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
            transform: rotateY(-10deg);
            transition: all 0.5s ease;
            max-width: 300px;
        }

        .hero-image:hover img {
            transform: rotateY(0deg);
        }

        /* About Section */
        .about-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }

        .about-text {
            flex: 1;
        }

        .about-image {
            flex: 1;
            position: relative;
        }

        .about-image img {
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .about-image:before {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            border: 3px solid var(--primary);
            border-radius: 10px;
            top: -15px;
            left: -15px;
            z-index: -1;
        }

        /* For Whom Section */
        .audience {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .audience-item {
            background-color: var(--card-bg);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            border-top: 3px solid var(--primary);
        }

        .audience-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .audience-item h3 {
            margin-bottom: 15px;
            color: var(--primary);
        }

        /* Inside Book Section */
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .feature-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 30px 20px;
            background-color: var(--card-bg);
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .feature-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .feature-icon {
            width: 70px;
            height: 70px;
            background-color: var(--secondary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: white;
            font-size: 1.5rem;
        }

        /* Quote Section */
        .quote {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            padding: 100px 0;
            text-align: center;
        }

        .quote-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .quote-text {
            font-size: 1.8rem;
            font-style: italic;
            margin-bottom: 30px;
            line-height: 1.5;
        }

        .quote-author {
            font-size: 1.2rem;
            font-weight: bold;
        }

        /* Pricing Section */
        .pricing-cards {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 30px;
            margin-top: 50px;
        }

        .pricing-card {
            background-color: var(--card-bg);
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 40px 30px;
            width: 300px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .pricing-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }

        .pricing-card.popular {
            border: 2px solid var(--primary);
        }

        .popular-badge {
            position: absolute;
            top: 0;
            right: 0;
            background-color: var(--primary);
            color: white;
            padding: 5px 15px;
            font-size: 0.8rem;
            font-weight: bold;
            border-bottom-left-radius: 10px;
        }

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

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

        .price span {
            font-size: 1rem;
            color: var(--text);
        }

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

        .pricing-features li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        }

        .pricing-card.free {
            background-color: var(--secondary);
            color: white;
        }

        .pricing-card.free h3,
        .pricing-card.free .price,
        .pricing-card.free .price span {
            color: white;
        }

        .pricing-card.free .btn {
            background-color: white;
            color: var(--secondary);
        }

        .pricing-card.free .btn:hover {
            background-color: var(--primary);
            color: white;
        }

        /* FAQ Section */
        .faq-container {
            max-width: 800px;
            margin: 50px auto 0;
        }

        .faq-item {
            margin-bottom: 15px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
        }

        .faq-question {
            padding: 20px;
            background-color: var(--card-bg);
            cursor: pointer;
            font-weight: bold;
            position: relative;
            transition: all 0.3s ease;
        }

        .faq-question:hover {
            background-color: rgba(0, 196, 255, 0.1);
        }

        .faq-question:after {
            content: '+';
            position: absolute;
            right: 20px;
            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(0, 196, 255, 0.05);
        }

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

        /* Contact Form */
        .contact-form {
            max-width: 600px;
            margin: 50px auto 0;
            background-color: var(--card-bg);
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
            transition: all 0.3s ease;
            resize: none;
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 77, 0, 0.2);
            outline: none;
        }

        /* Footer */
        footer {
            background-color: var(--dark);
            color: white;
            padding: 60px 0 20px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-column h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-links a:hover {
            color: var(--secondary);
        }

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

        /* Cookie Banner */
        .cookie-banner {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background-color: var(--dark);
            color: white;
            padding: 20px;
            z-index: 1000;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transform: translateY(100%);
            transition: transform 0.3s ease;
        }

        .cookie-banner.show {
            transform: translateY(0);
        }

        .cookie-text {
            flex: 1;
            margin-right: 20px;
        }

        .cookie-banner .btn {
            margin-left: 20px;
            white-space: nowrap;
        }

        /* Modal */
        .modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .modal.show {
            opacity: 1;
            visibility: visible;
        }

        .modal-content {
            background-color: white;
            padding: 40px;
            border-radius: 10px;
            max-width: 500px;
            width: 90%;
            text-align: center;
            position: relative;
            transform: translateY(-50px);
            transition: transform 0.3s ease;
        }

        .modal.show .modal-content {
            transform: translateY(0);
        }

        .close-modal {
            position: absolute;
            top: 15px;
            right: 15px;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .about-content {
                flex-direction: column;
            }
            
            .about-image {
                margin-top: 30px;
            }
            
            h1 {
                font-size: 2.2rem;
            }
            
            h2 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            nav ul {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background-color: var(--dark);
                flex-direction: column;
                align-items: center;
                justify-content: center;
                transition: all 0.5s ease;
                padding-top: 40px;
            }
            
            nav ul.active {
                left: 0;
            }
            
            nav ul li {
                margin: 15px 0;
            }
            
            .burger {
                display: block;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .hero-btns {
                flex-direction: column;
                gap: 15px;
            }
            
            .btn {
                width: 100%;
            }
            
            section {
                padding: 60px 0;
            }
            
            .pricing-cards {
                flex-direction: column;
                align-items: center;
            }
            
            .cookie-banner {
                flex-direction: column;
                text-align: center;
            }
            
            .cookie-banner .btn {
                margin: 10px 0 0;
                width: 100%;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 15px;
            }
            
            h1 {
                font-size: 1.8rem;
            }
            
            h2 {
                font-size: 1.5rem;
            }
            
            .contact-form {
                padding: 30px 20px;
            }
            
            .modal-content {
                padding: 30px 20px;
            }
        }

        /* 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;
        }

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