:root {
            --primary: #E53935;
            --secondary: #1E88E5;
            --accent: #FFC107;
            --dark: #212121;
            --light: #FAFAFA;
            --gray: #757575;
            --bg: #FFFFFF;
            --header-bg: rgba(33, 33, 33, 0.95);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
        }

        body {
            background-color: var(--bg);
            color: var(--dark);
            line-height: 1.6;
            padding-top: 80px;
            overflow-x: hidden;
        }

        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
            text-transform: uppercase;
        }

        h1 {
            font-size: 2.5rem;
            color: var(--primary);
        }

        h2 {
            font-size: 2rem;
            color: var(--secondary);
            border-bottom: 3px solid var(--accent);
            padding-bottom: 0.5rem;
            display: inline-block;
        }

        h3 {
            font-size: 1.5rem;
            color: var(--dark);
        }

        p {
            margin-bottom: 1rem;
        }

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

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

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

        .btn {
            display: inline-block;
            padding: 12px 24px;
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: 4px;
            font-weight: bold;
            text-transform: uppercase;
            cursor: pointer;
            transition: all 0.3s;
            text-align: center;
        }

        .btn:hover {
            background-color: #C62828;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }

        .btn-secondary {
            background-color: var(--secondary);
        }

        .btn-secondary:hover {
            background-color: #1565C0;
        }

        .btn-accent {
            background-color: var(--accent);
            color: var(--dark);
        }

        .btn-accent:hover {
            background-color: #FFA000;
        }

        /* Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: var(--header-bg);
            color: white;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            backdrop-filter: blur(10px);
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }

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

        .logo img {
            height: 40px;
            margin-right: 10px;
        }

        .nav-desktop {
            display: flex;
        }

        .nav-desktop a {
            color: white;
            margin-left: 30px;
            font-weight: bold;
            text-transform: uppercase;
            font-size: 0.9rem;
        }

        .nav-desktop a:hover {
            color: var(--accent);
        }

        .burger {
            display: none;
            cursor: pointer;
            width: 30px;
            height: 20px;
            flex-direction: column;
            justify-content: space-between;
        }

        .burger span {
            display: block;
            width: 100%;
            height: 3px;
            background-color: white;
            transition: all 0.3s;
        }

        .nav-mobile {
            position: fixed;
            top: 80px;
            left: 0;
            width: 100%;
            background-color: var(--dark);
            padding: 20px;
            transform: translateY(-150%);
            transition: transform 0.3s;
            z-index: 999;
        }

        .nav-mobile.active {
            transform: translateY(0);
        }

        .nav-mobile a {
            display: block;
            color: white;
            padding: 10px 0;
            border-bottom: 1px solid var(--gray);
            text-transform: uppercase;
            font-weight: bold;
        }

        /* Hero Section */
        .hero {
            height: 100vh;
            min-height: 600px;
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1515125520141-3e3b67bc0a88?q=80&w=1171&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            color: white;
            text-align: center;
            position: relative;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 20px;
        }

        .hero h1 {
            color: white;
            font-size: 3rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
        }

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

        /* About Section */
        .about {
            padding: 80px 0;
            background-color: var(--bg);
        }

        .about-content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 40px;
        }

        .about-text {
            flex: 1;
            min-width: 300px;
        }

        .about-image {
            flex: 1;
            min-width: 300px;
            text-align: center;
        }

        .about-image img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }

        /* For Whom Section */
        .for-whom {
            padding: 80px 0;
            background-color: #f5f5f5;
        }

        .for-whom-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .for-whom-card {
            background-color: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }

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

        .for-whom-card h3 {
            color: var(--primary);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }

        .for-whom-card h3::before {
            content: "•";
            color: var(--accent);
            font-size: 2rem;
            margin-right: 10px;
        }

        /* Inside Book Section */
        .inside-book {
            padding: 80px 0;
        }

        .inside-book-content {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 40px;
        }

        .inside-book-list {
            flex: 1;
            min-width: 300px;
        }

        .inside-book-list ul {
            list-style-type: none;
        }

        .inside-book-list li {
            margin-bottom: 15px;
            padding-left: 30px;
            position: relative;
        }

        .inside-book-list li::before {
            content: "→";
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: bold;
        }

        .inside-book-image {
            flex: 1;
            min-width: 300px;
            text-align: center;
        }

        .inside-book-image img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }

        /* Quote Section */
        .quote {
            padding: 100px 0;
            background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('https://images.unsplash.com/photo-1456513080510-7bf3a84b82f8?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
        }

        .quote-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 20px;
        }

        .quote-text {
            font-size: 1.5rem;
            font-style: italic;
            margin-bottom: 30px;
            position: relative;
        }

        .quote-text::before, .quote-text::after {
            content: '"';
            font-size: 2rem;
            color: var(--accent);
            opacity: 0.7;
        }

        .quote-author {
            font-weight: bold;
            font-size: 1.2rem;
            color: var(--accent);
        }

        /* Pricing Section */
        .pricing {
            padding: 80px 0;
            background-color: #f5f5f5;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .pricing-card {
            background-color: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            position: relative;
            overflow: hidden;
        }

        .pricing-card.featured {
            border: 2px solid var(--accent);
        }

        .pricing-card.featured::before {
            content: "Популярный";
            position: absolute;
            top: 15px;
            right: -30px;
            background-color: var(--accent);
            color: var(--dark);
            padding: 5px 30px;
            transform: rotate(45deg);
            font-weight: bold;
            font-size: 0.8rem;
        }

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

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

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

        .pricing-features {
            margin-bottom: 30px;
        }

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

        .pricing-features li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: bold;
        }

        /* FAQ Section */
        .faq {
            padding: 80px 0;
        }

        .faq-item {
            margin-bottom: 20px;
            border: 1px solid #eee;
            border-radius: 8px;
            overflow: hidden;
        }

        .faq-question {
            padding: 20px;
            background-color: #f9f9f9;
            cursor: pointer;
            font-weight: bold;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background-color 0.3s;
        }

        .faq-question:hover {
            background-color: #f0f0f0;
        }

        .faq-question::after {
            content: "+";
            font-size: 1.5rem;
            color: var(--secondary);
        }

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

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s, padding 0.3s;
        }

        .faq-answer.active {
            padding: 20px;
            max-height: 500px;
        }

        /* Contact Form */
        .contact {
            padding: 80px 0;
            background-color: #f5f5f5;
        }

        .contact-form {
            max-width: 600px;
            margin: 40px auto 0;
            background-color: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

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

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

        .form-group input, .form-group textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
        }

        .form-group textarea {
            min-height: 120px;
            resize: none;
        }

        /* Popup */
        .popup {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s, visibility 0.3s;
        }

        .popup.active {
            opacity: 1;
            visibility: visible;
        }

        .popup-content {
            background-color: white;
            padding: 40px;
            border-radius: 8px;
            max-width: 500px;
            width: 90%;
            text-align: center;
            position: relative;
        }

        .popup-close {
            position: absolute;
            top: 10px;
            right: 10px;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--gray);
        }

        /* Cookie Banner */
        .cookie-banner {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background-color: var(--dark);
            color: white;
            padding: 20px;
            z-index: 1001;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            transform: translateY(100%);
            transition: transform 0.3s;
        }

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

        .cookie-text {
            flex: 1;
            min-width: 300px;
            margin-bottom: 10px;
        }

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

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

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

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

        .footer-column ul {
            list-style-type: none;
        }

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

        .footer-column a {
            color: #ccc;
        }

        .footer-column a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--gray);
            color: #ccc;
            font-size: 0.9rem;
        }

        /* Animations */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s, transform 0.6s;
        }

        .fade-in.active {
            opacity: 1;
            transform: translateY(0);
        }

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

        /* Responsive */
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }

            .burger {
                display: flex;
            }

            h1 {
                font-size: 2rem;
            }

            h2 {
                font-size: 1.5rem;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .hero-btns {
                flex-direction: column;
                gap: 10px;
            }

            .btn {
                width: 100%;
            }

            .about-content, .inside-book-content {
                flex-direction: column;
            }

            .about-image, .inside-book-image {
                order: -1;
            }

            .pricing-grid, .for-whom-grid {
                grid-template-columns: 1fr;
            }

            .footer-content {
                grid-template-columns: 1fr;
            }
        }

        /* Print styles */
        @media print {
            header, .cookie-banner, footer {
                display: none !important;
            }

            body {
                padding-top: 0;
                background-color: white;
                color: black;
            }

            .btn {
                display: none !important;
            }
        }