:root {
            --bg-dark: rgb(18, 20, 25);
            --bg-darker: rgb(30, 33, 40);
            --bg-darkest: rgb(40, 43, 50);
            --accent-color: rgb(242, 195, 68);
            --accent-hover: rgb(230, 185, 60);
            --text-light: white;
            --success-color: rgb(50, 120, 80);
            --danger-color: rgb(120, 50, 50);
        }
        
        body {
            background-color: var(--bg-dark);
            color: var(--text-light);
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            overflow-x: hidden;
        }
        
        .navbar {
            background-color: var(--bg-darker) !important;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }
        
        .hero-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 200%;
            background: radial-gradient(circle, rgba(242, 195, 68, 0.1) 0%, transparent 70%);
            z-index: 0;
        }
        
        .hero-content {
            position: relative;
            z-index: 1;
        }
        
        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            background: linear-gradient(to right, var(--accent-color), #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .hero-subtitle {
            font-size: 1.5rem;
            opacity: 0.9;
            margin-bottom: 30px;
        }
        
        .btn-custom {
            background-color: var(--accent-color);
            border: none;
            color: var(--bg-dark);
            font-weight: bold;
            padding: 12px 30px;
            border-radius: 50px;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }
        
        .btn-custom:hover {
            background-color: var(--accent-hover);
            color: var(--bg-dark);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(242, 195, 68, 0.3);
        }
        
        .btn-custom:active {
            transform: translateY(1px);
        }
        
        .feature-card {
            background-color: var(--bg-darker);
            border-radius: 10px;
            padding: 30px;
            height: 100%;
            transition: all 0.3s;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
            border-color: var(--accent-color);
        }
        
        .feature-icon {
            font-size: 2.5rem;
            color: var(--accent-color);
            margin-bottom: 20px;
        }
        
        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 50px;
            position: relative;
            display: inline-block;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 50px;
            height: 3px;
            background-color: var(--accent-color);
        }
        
        .how-it-works-step {
            position: relative;
            padding-left: 80px;
            margin-bottom: 40px;
        }
        
        .step-number {
            position: absolute;
            left: 0;
            top: 0;
            width: 60px;
            height: 60px;
            background-color: var(--accent-color);
            color: var(--bg-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: bold;
        }
        
        .pricing-card {
            background-color: var(--bg-darker);
            border-radius: 10px;
            padding: 30px;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        
        .pricing-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
        }
        
        .pricing-card.popular {
            border: 2px solid var(--accent-color);
        }
        
        .popular-badge {
            position: absolute;
            top: 15px;
            right: -30px;
            background-color: var(--accent-color);
            color: var(--bg-dark);
            padding: 5px 30px;
            transform: rotate(45deg);
            font-weight: bold;
            font-size: 0.8rem;
        }
        
        .price {
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--accent-color);
            margin: 20px 0;
        }
        
        .price small {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
        }
        
        .features-list {
            list-style: none;
            padding: 0;
            margin: 30px 0;
        }
        
        .features-list li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
        }
        
        .features-list li:last-child {
            border-bottom: none;
        }
        
        .features-list li i {
            color: var(--accent-color);
            margin-right: 10px;
        }
        
        .testimonial-card {
            background-color: var(--bg-darker);
            border-radius: 10px;
            padding: 30px;
            position: relative;
        }
        
        .testimonial-card::before {
            content: '\201C';
            font-size: 5rem;
            color: rgba(242, 195, 68, 0.2);
            position: absolute;
            top: 10px;
            left: 20px;
            font-family: serif;
        }
        
        .testimonial-text {
            position: relative;
            z-index: 1;
            font-style: italic;
            margin-bottom: 20px;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
        }
        
        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            margin-right: 15px;
            object-fit: cover;
        }
        
        .faq-item {
            background-color: var(--bg-darker);
            border-radius: 10px;
            margin-bottom: 15px;
            overflow: hidden;
        }
        
        .faq-question {
            padding: 20px;
            background-color: var(--bg-darkest);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 500;
        }
        
        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 500px;
        }
        
        .faq-toggle {
            transition: transform 0.3s;
        }
        
        .faq-item.active .faq-toggle {
            transform: rotate(180deg);
        }
        
        footer {
            background-color: var(--bg-darker);
            padding: 50px 0 20px;
            margin-top: 100px;
        }
        
        .footer-links {
            list-style: none;
            padding: 0;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: var(--bg-darkest);
            border-radius: 50%;
            color: var(--text-light);
            margin-right: 10px;
            transition: all 0.3s;
        }
        
        .social-links a:hover {
            background-color: var(--accent-color);
            color: var(--bg-dark);
            transform: translateY(-3px);
        }
        
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            margin-top: 30px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
        }
        
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--accent-color);
            color: var(--bg-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            z-index: 999;
        }
        
        .scroll-top.active {
            opacity: 1;
            visibility: visible;
        }
        
        .scroll-top:hover {
            background-color: var(--accent-hover);
            transform: translateY(-3px);
        }
        
        @media (max-width: 991.98px) {
            .hero-title {
                font-size: 2.5rem;
            }
            
            .hero-subtitle {
                font-size: 1.2rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
        }
        
        @media (max-width: 767.98px) {
            .hero-section {
                padding: 70px 0;
            }
            
            .hero-title {
                font-size: 2rem;
            }
            
            .how-it-works-step {
                padding-left: 60px;
            }
            
            .step-number {
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
            }
        }
        
        /* Анимации */
        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-20px);
            }
        }
        
        .floating {
            animation: float 6s ease-in-out infinite;
        }
        
        .delay-1 {
            animation-delay: 0.2s;
        }
        
        .delay-2 {
            animation-delay: 0.4s;
        }
        
        .delay-3 {
            animation-delay: 0.6s;
        }
        
        /* Анимация появления при скролле */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease-out;
        }
        
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }
        pre {
            background: #1e1e1e;
            padding: 16px;
            border-radius: 8px;
            overflow-x: auto;
            font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
            line-height: 1.5;
            tab-size: 4;
            margin: 20px 0;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        code.language-python {
            color: #d4d4d4;
            display: block;
        }

        code.language-python .keyword {
            color: #569cd6; /* синий для ключевых слов */
        }

        code.language-python .string {
            color: #ce9178; /* оранжевый для строк */
        }

        code.language-python .function {
            color: #dcdcaa; /* светло-желтый для функций */
        }

        code.language-python .class-name {
            color: #4ec9b0; /* бирюзовый для классов */
        }

        code.language-python .number {
            color: #b5cea8; /* зеленый для чисел */
        }

        code.language-python .comment {
            color: #6a9955; /* зеленый для комментариев */
        }

        code.language-python .operator {
            color: #d4d4d4; /* белый для операторов */
        }

        code.language-python .punctuation {
            color: #d4d4d4;
        }