:root {
            --primary-holi: #FF5722;
            --secondary-holi: #4CAF50;
            --accent-holi: #9C27B0;
            --yellow-holi: #FFEB3B;
            --blue-holi: #2196F3;
            --text-dark: #2C3E50;
            --bg-light: #FFF9C4;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background: linear-gradient(135deg, #FFF9C4 0%, #E1F5FE 100%);
        }
        .holi-navbar {
            background: linear-gradient(90deg, var(--primary-holi), var(--accent-holi), var(--blue-holi));
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }
        .logo-text {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(45deg, #FFEB3B, #FF5722, #9C27B0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        .nav-link {
            color: white !important;
            font-weight: 600;
            transition: all 0.3s ease;
            margin: 0 8px;
        }
        .nav-link:hover {
            transform: translateY(-2px);
            text-shadow: 0 2px 8px rgba(255,255,255,0.3);
        }
        .hero-section {
            background: linear-gradient(rgba(255,87,34,0.8), rgba(156,39,176,0.8)), url('https://via.placeholder.com/1200x600') center/cover;
            color: white;
            padding: 100px 0;
            text-align: center;
        }
        .content-section {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            padding: 40px;
            margin: 30px 0;
        }
        h1, h2, h3 {
            color: var(--primary-holi);
            margin-bottom: 25px;
            font-weight: 700;
        }
        h1 {
            font-size: 3rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
        }
        h2 {
            font-size: 2.2rem;
            border-left: 5px solid var(--accent-holi);
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--secondary-holi);
        }
        .highlight-text {
            background: linear-gradient(120deg, #FFEB3B 0%, #FFEB3B 100%);
            background-repeat: no-repeat;
            background-size: 100% 0.4em;
            background-position: 0 88%;
            font-weight: 700;
        }
        .holi-color-box {
            background: linear-gradient(135deg, var(--yellow-holi), var(--primary-holi));
            padding: 25px;
            border-radius: 12px;
            margin: 25px 0;
            box-shadow: 0 8px 25px rgba(255,87,34,0.2);
            border-left: 6px solid var(--accent-holi);
        }
        .game-feature {
            transition: all 0.3s ease;
            padding: 20px;
            border-radius: 10px;
            margin: 15px 0;
        }
        .game-feature:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
            background: linear-gradient(135deg, #E3F2FD, #F3E5F5);
        }
        .cultural-icon {
            font-size: 2.5rem;
            color: var(--accent-holi);
            margin-bottom: 15px;
        }
        footer {
            background: linear-gradient(90deg, var(--text-dark), #1A237E);
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .logo-text { font-size: 1.8rem; }
            .hero-section { padding: 60px 0; }
        }
        .content-image {
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            margin: 25px 0;
            transition: transform 0.3s ease;
        }
        .content-image:hover {
            transform: scale(1.02);
        }
        .table-of-contents {
            background: linear-gradient(135deg, #E8F5E9, #F1F8E9);
            padding: 25px;
            border-radius: 12px;
            margin: 25px 0;
            border-left: 5px solid var(--secondary-holi);
        }
        .toc-item {
            padding: 8px 0;
            border-bottom: 1px dashed #BDBDBD;
        }
        .toc-item:last-child {
            border-bottom: none;
        }