/* === BASE STYLES === */:root {
            --primary: #00D9FF;
            --primary-dark: #00B8D4;
            --secondary: #FF006E;
            --accent: #FFBE0B;
            --dark: #0A0E27;
            --dark-blue: #131838;
            --dark-card: #1A1F3A;
            --text: #E8EAF6;
            --text-secondary: #B0B8D4;
            --gradient-primary: linear-gradient(135deg, #00D9FF 0%, #7B2FF7 100%);
            --gradient-secondary: linear-gradient(135deg, #FF006E 0%, #FFBE0B 100%);
            --gradient-dark: linear-gradient(180deg, #0A0E27 0%, #131838 100%);
        }

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

        html, body {
            overflow-x: hidden;
            max-width: 100vw;
        }

        body {
            font-family: 'Outfit', sans-serif;
            background: var(--dark);
            color: var(--text);
            line-height: 1.7;
        }

        .container {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        h1 {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1.5rem;
        }

        h2 {
            font-size: clamp(2rem, 4vw, 3.5rem);
            color: var(--text);
            margin-bottom: 1.5rem;
        }

        h3 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            color: var(--text);
            margin-bottom: 1rem;
        }

        p {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }

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

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

        .btn-primary {
            background: var(--gradient-secondary);
            color: #fff;
            border: none;
            padding: 16px 40px;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 10px 40px rgba(255, 0, 110, 0.3);
            position: relative;
            overflow: hidden;
            display: inline-block;
        }

        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.6s;
        }

        .btn-primary:hover {
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 15px 50px rgba(255, 0, 110, 0.5);
        }

        .btn-primary:hover::before {
            left: 100%;
        }

        .card {
            background: var(--dark-card);
            border: 1px solid rgba(0, 217, 255, 0.1);
            border-radius: 20px;
            padding: 2rem;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transition: transform 0.4s ease;
        }

        .card:hover {
            transform: translateY(-8px);
            border-color: var(--primary);
            box-shadow: 0 20px 60px rgba(0, 217, 255, 0.2);
        }

        .card:hover::before {
            transform: scaleX(1);
        }

        .content-image {
            max-width: 100%;
            margin: 1.5rem auto;
            text-align: center;
        }

        .content-image img {
            max-width: 100%;
            height: auto;
            max-height: 400px;
            object-fit: contain;
            border-radius: 8px;
        }

        .content-image.portrait img {
            max-height: 350px;
            max-width: 300px;
        }

        .content-image.wide img {
            max-height: 300px;
            max-width: 100%;
        }

        .content-image figcaption {
            margin-top: 0.5rem;
            font-size: 0.875rem;
            opacity: 0.8;
        }

        .table-responsive {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        table {
            width: 100%;
            background: var(--dark-card);
            border-collapse: separate;
            border-spacing: 0;
            border-radius: 12px;
            overflow: hidden;
        }

        th, td {
            padding: 1rem;
            text-align: left;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text);
        }

        th {
            background: rgba(0, 217, 255, 0.1);
            font-weight: 600;
        }

        /* === LAYOUT STYLES === */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 39, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 217, 255, 0.1);
            padding: 1rem 0;
        }

        .header-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
        }

        .logo img {
            width: 180px;
            height: auto;
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .hamburger span {
            width: 28px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(8px, 8px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -7px);
        }

        .nav-list {
            display: flex;
            list-style: none;
            gap: 2rem;
            margin: 0;
        }

        .nav-list a {
            color: var(--text);
            font-weight: 500;
            font-size: 1rem;
            position: relative;
            padding: 0.5rem 0;
        }

        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-primary);
            transition: width 0.3s ease;
        }

        .nav-list a:hover::after {
            width: 100%;
        }

        .footer {
            background: var(--dark-blue);
            border-top: 1px solid rgba(0, 217, 255, 0.1);
            padding: 4rem 0 2rem;
            margin-top: 6rem;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-section h3, .footer-section h4 {
            color: var(--primary);
            margin-bottom: 1rem;
            font-size: 1.3rem;
        }

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

        .footer-section ul li {
            margin-bottom: 0.75rem;
        }

        .footer-section ul a {
            color: var(--text-secondary);
            transition: color 0.3s ease;
        }

        .footer-section ul a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 2rem;
            text-align: center;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        @media (max-width: 767px) {
            .header-content {
                flex-wrap: wrap;
            }

            .hamburger {
                display: flex;
            }

            .nav {
                order: 3;
                width: 100%;
            }

            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 0;
                background: var(--dark-card);
                border-radius: 12px;
                padding: 1rem 0;
                margin-top: 1rem;
            }

            .nav-list.active {
                display: flex;
            }

            .nav-list li {
                width: 100%;
            }

            .nav-list a {
                display: block;
                padding: 1rem 1.5rem;
            }

            .header .btn-primary {
                max-width: 200px;
                padding: 12px 24px;
                font-size: 1rem;
                white-space: nowrap;
                text-overflow: ellipsis;
                overflow: hidden;
            }
        }

@media (max-width: 767px) {
            .header-content {
                flex-wrap: wrap;
            }

            .hamburger {
                display: flex;
            }

            .nav {
                order: 3;
                width: 100%;
            }

            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 0;
                background: var(--dark-card);
                border-radius: 12px;
                padding: 1rem 0;
                margin-top: 1rem;
            }

            .nav-list.active {
                display: flex;
            }

            .nav-list li {
                width: 100%;
            }

            .nav-list a {
                display: block;
                padding: 1rem 1.5rem;
            }

            .header .btn-primary {
                max-width: 200px;
                padding: 12px 24px;
                font-size: 1rem;
                white-space: nowrap;
                text-overflow: ellipsis;
                overflow: hidden;
            }
        }

@media (max-width: 767px) {
            .hero-section {
                padding: 4rem 0 3rem;
            }

            h1 {
                font-size: 2.5rem;
            }

            h2 {
                font-size: 2rem;
            }

            .login-guide, .mobile-app, .games, .advantages, .licensing, .support, .faq, .cta-section {
                padding: 4rem 0;
            }

            .feature-grid, .cards-grid {
                grid-template-columns: 1fr;
            }

            .tabs-nav {
                flex-direction: column;
            }

            .tab-button {
                width: 100%;
            }

            .tab-content {
                padding: 2rem;
            }

            .timeline-item, .feature-block, .card, .highlight-list li {
                padding: 1.5rem;
            }

            .toc-list {
                grid-template-columns: 1fr;
            }
        }