:root {
            --primary-color: #FF6B35;
            --secondary-color: #4ECDC4;
            --accent-color: #FFE66D;
            --text-dark: #2D3047;
            --text-light: #F7FFF7;
            --gradient-bg: linear-gradient(135deg, #FF6B35, #FFE66D, #4ECDC4);
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: #f8f9fa;
        }
        .logo-brand {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(45deg, #FF6B35, #FFE66D, #4ECDC4);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        .nav-custom {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
        }
        .nav-custom.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 6px 25px rgba(0,0,0,0.1);
        }
        .hero-section {
            background: var(--gradient-bg);
            padding: 5rem 0;
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="%23ffffff22"><polygon points="0,0 1000,50 1000,100 0,100">') no-repeat bottom;
            background-size: cover;
        }
        .content-section {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            padding: 2.5rem;
            margin: 2rem 0;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .content-section:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.1);
        }
        h1, h2, h3 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.8rem;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
        }
        h2 {
            font-size: 2.2rem;
            border-left: 5px solid var(--secondary-color);
            padding-left: 1rem;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--secondary-color);
            margin-top: 2.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight-text {
            background: linear-gradient(120deg, var(--accent-color) 0%, var(--accent-color) 100%);
            background-repeat: no-repeat;
            background-size: 100% 0.4em;
            background-position: 0 88%;
            font-weight: 600;
            padding: 0.2rem 0;
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            display: inline-block;
        }
        .game-image {
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
            transition: transform 0.4s ease;
            margin: 2rem 0;
            width: 100%;
            height: auto;
        }
        .game-image:hover {
            transform: scale(1.02);
        }
        .nav-link-custom {
            color: var(--text-dark);
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 25px;
            transition: all 0.3s ease;
            margin: 0 0.2rem;
        }
        .nav-link-custom:hover, .nav-link-custom.active {
            background: var(--primary-color);
            color: white;
            transform: translateY(-2px);
        }
        .footer-custom {
            background: var(--text-dark);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--primary-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            transition: all 0.3s ease;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--secondary-color);
            transform: translateY(-5px);
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .content-section {
                padding: 1.5rem;
                margin: 1rem 0;
            }
            .logo-brand {
                font-size: 1.8rem;
            }
        }
        .table-of-contents {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            border-radius: 12px;
            padding: 2rem;
            margin: 2rem 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .toc-list {
            list-style-type: none;
            padding-left: 0;
        }
        .toc-list li {
            margin-bottom: 0.8rem;
            padding-left: 1.5rem;
            position: relative;
        }
        .toc-list li::before {
            content: "▸";
            position: absolute;
            left: 0;
            color: var(--primary-color);
            font-weight: bold;
        }
        .toc-list a {
            color: var(--text-dark);
            text-decoration: none;
            transition: all 0.2s ease;
            font-weight: 500;
        }
        .toc-list a:hover {
            color: var(--primary-color);
            padding-left: 5px;
        }
        blockquote {
            border-left: 4px solid var(--accent-color);
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .key-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .feature-card {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            border-top: 4px solid var(--primary-color);
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .fact-box {
            background: linear-gradient(135deg, var(--secondary-color), #88D9E6);
            color: white;
            padding: 1.5rem;
            border-radius: 12px;
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }