:root {
            --primary-holi: #FF6B6B;
            --secondary-holi: #4ECDC4;
            --accent-holi: #FFE66D;
            --purple-holi: #9B59B6;
            --green-holi: #2ECC71;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }
        .holi-navbar {
            background: linear-gradient(90deg, var(--primary-holi), var(--purple-holi), var(--secondary-holi));
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .logo-text {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(45deg, #FFD700, #FF6B6B, #9B59B6);
            -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 5px;
            border-radius: 20px;
            padding: 8px 15px !important;
        }
        .nav-link:hover {
            background-color: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }
        .hero-section {
            background: url('https://via.placeholder.com/1600x900') center/cover no-repeat;
            padding: 100px 0;
            position: relative;
            color: white;
            text-align: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.5);
        }
        .hero-content {
            position: relative;
            z-index: 1;
        }
        h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
        }
        h2 {
            color: var(--purple-holi);
            border-left: 5px solid var(--accent-holi);
            padding-left: 15px;
            margin: 2.5rem 0 1.5rem;
            font-weight: 700;
        }
        h3 {
            color: var(--primary-holi);
            margin: 2rem 0 1rem;
            font-weight: 600;
        }
        .content-section {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            padding: 3rem;
            margin: 2rem 0;
        }
        .highlight-box {
            background: linear-gradient(135deg, #FFEAA7, #FFD3B6);
            border-left: 5px solid var(--primary-holi);
            padding: 1.5rem;
            border-radius: 0 10px 10px 0;
            margin: 2rem 0;
        }
        .holi-color-card {
            border-radius: 15px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            margin-bottom: 1.5rem;
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .holi-color-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .color-1 { background: linear-gradient(135deg, var(--primary-holi), #FF8E8E); }
        .color-2 { background: linear-gradient(135deg, var(--secondary-holi), #6EE7E7); }
        .color-3 { background: linear-gradient(135deg, var(--accent-holi), #FFF275); }
        .color-4 { background: linear-gradient(135deg, var(--purple-holi), #BE90D4); }
        .game-feature {
            text-align: center;
            padding: 2rem 1rem;
        }
        .feature-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            color: white;
        }
        .img-fluid {
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
            margin: 1.5rem 0;
        }
        .img-fluid:hover {
            transform: scale(1.02);
        }
        footer {
            background: linear-gradient(90deg, #2c3e50, #4a6491);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-heading {
            color: var(--accent-holi);
            font-weight: 700;
            margin-bottom: 1.5rem;
        }
        .social-icons a {
            color: white;
            font-size: 1.5rem;
            margin-right: 15px;
            transition: color 0.3s ease;
        }
        .social-icons a:hover {
            color: var(--accent-holi);
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
            margin-top: 2rem;
            text-align: center;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }
            .content-section {
                padding: 1.5rem;
            }
            .logo-text {
                font-size: 1.8rem;
            }
        }
        .keyword-highlight {
            background-color: rgba(255, 230, 109, 0.3);
            padding: 0 5px;
            border-radius: 3px;
            font-weight: 600;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--primary-holi);
            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 10px rgba(0,0,0,0.2);
            z-index: 1000;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        .back-to-top:hover {
            background: var(--purple-holi);
            transform: translateY(-5px);
            color: white;
        }