:root {
            --primary-color: #ff6b35;
            --secondary-color: #1e3a8a;
            --accent-color: #f59e0b;
            --text-dark: #1f2937;
            --text-light: #6b7280;
            --bg-light: #f8fafc;
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }
        .main-container {
            background: white;
            border-radius: 20px;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
            margin: 2rem auto;
            overflow: hidden;
        }
        .logo-brand {
            font-family: 'Georgia', serif;
            font-weight: bold;
            color: var(--primary-color);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
            font-size: 2.2rem;
        }
        .nav-link {
            font-weight: 600;
            transition: all 0.3s ease;
            border-radius: 8px;
            margin: 0 5px;
        }
        .nav-link:hover {
            background-color: var(--primary-color);
            color: white !important;
            transform: translateY(-2px);
        }
        h1, h2, h3 {
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
        }
        h1 {
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 0.5rem;
            font-size: 2.8rem;
        }
        h2 {
            border-left: 5px solid var(--primary-color);
            padding-left: 1rem;
            margin-top: 3rem;
            font-size: 2.2rem;
        }
        h3 {
            color: var(--primary-color);
            font-size: 1.8rem;
            margin-top: 2.5rem;
        }
        .lead-paragraph {
            font-size: 1.3rem;
            color: var(--text-light);
            font-weight: 500;
            margin-bottom: 2.5rem;
        }
        .content-section {
            margin-bottom: 3rem;
            padding: 2rem;
        }
        .feature-box {
            background: var(--bg-light);
            border-radius: 15px;
            padding: 2rem;
            margin: 1.5rem 0;
            border-left: 4px solid var(--accent-color);
            transition: transform 0.3s ease;
        }
        .feature-box:hover {
            transform: translateX(10px);
        }
        .highlight-text {
            background: linear-gradient(120deg, var(--accent-color) 0%, var(--accent-color) 100%);
            background-repeat: no-repeat;
            background-size: 100% 0.3em;
            background-position: 0 88%;
            font-weight: 700;
            padding: 0.2rem 0;
        }
        .game-image {
            border-radius: 15px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
            margin: 2rem 0;
        }
        .game-image:hover {
            transform: scale(1.02);
        }
        .cultural-section {
            background: linear-gradient(135deg, var(--secondary-color) 0%, #3730a3 100%);
            color: white;
            padding: 3rem;
            border-radius: 20px;
            margin: 3rem 0;
        }
        .cultural-section h2 {
            color: white;
            border-left: 5px solid var(--accent-color);
        }
        footer {
            background: var(--secondary-color);
            color: white;
            padding: 3rem 0;
            margin-top: 4rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .logo-brand { font-size: 1.8rem; }
        }
        .table-of-contents {
            background: var(--bg-light);
            border-radius: 15px;
            padding: 2rem;
            margin: 2rem 0;
        }
        .toc-list {
            list-style: none;
            padding: 0;
        }
        .toc-list li {
            margin: 0.8rem 0;
            padding-left: 1.5rem;
            position: relative;
        }
        .toc-list li:before {
            content: "▸";
            color: var(--primary-color);
            position: absolute;
            left: 0;
        }
        .toc-list a {
            text-decoration: none;
            color: var(--text-dark);
            transition: color 0.3s ease;
        }
        .toc-list a:hover {
            color: var(--primary-color);
        }