:root {
            --bg-primary: #0f172a;
            --bg-secondary: #1e293b;
            --bg-accent: #0f172a;
            --brand-primary: #facc15;
            --brand-secondary: #eab308;
            --brand-accent: #ef4444;
            --success: #22c55e;
            --warning: #f97316;
            --error: #ef4444;
            --info: #3b82f6;
            --text-primary: #f8fafc;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --text-inverse: #0f172a;
            --border-primary: #334155;
            --border-secondary: #1e293b;
            --border-highlight: #facc15;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { 
            background-color: var(--bg-primary); 
            color: var(--text-primary); 
            font-family: 'Hind Siliguri', sans-serif; 
            line-height: 1.5; 
            overflow-x: hidden;
        }
        header {
            background-color: var(--bg-secondary);
            border-bottom: 2px solid var(--border-primary);
            padding: 10px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        header .logo-section { display: flex; align-items: center; gap: 10px; }
        header img { width: 25px; height: 25px; object-fit: cover; }
        header strong { font-size: 16px; font-weight: 400; color: var(--text-primary); }
        header .auth-buttons { display: flex; gap: 10px; }
        .btn-login { 
            background: transparent; 
            color: var(--brand-primary); 
            border: 1px solid var(--brand-primary); 
            padding: 6px 15px; 
            border-radius: 8px; 
            cursor: pointer; 
            font-family: inherit;
        }
        .btn-register { 
            background: var(--brand-primary); 
            color: var(--text-inverse); 
            border: none; 
            padding: 6px 15px; 
            border-radius: 8px; 
            cursor: pointer; 
            font-weight: 600; 
            font-family: inherit;
        }
        main { max-width: 1200px; margin: 0 auto; padding: 20px 15px 100px; }
        .banner-container { width: 100%; margin-bottom: 25px; cursor: pointer; }
        .banner-container img { 
            width: 100%; 
            aspect-ratio: 2/1; 
            object-fit: cover; 
            border-radius: 15px; 
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }
        .reward-section { 
            background: linear-gradient(135deg, var(--bg-secondary), #2d3748); 
            padding: 30px; 
            border-radius: 20px; 
            text-align: center; 
            margin-bottom: 30px; 
            border: 1px solid var(--border-highlight);
        }
        .reward-section h2 { color: var(--brand-primary); margin-bottom: 15px; font-size: 24px; }
        .reward-section p { color: var(--text-secondary); margin-bottom: 20px; font-size: 16px; }
        .btn-large { 
            background: var(--brand-primary); 
            color: var(--text-inverse); 
            padding: 15px 40px; 
            font-size: 20px; 
            font-weight: bold; 
            border: none; 
            border-radius: 50px; 
            cursor: pointer; 
            transition: transform 0.2s;
        }
        .btn-large:hover { transform: scale(1.05); }
        .intro-card { 
            background: var(--bg-secondary); 
            padding: 30px; 
            border-radius: 20px; 
            margin-bottom: 30px; 
            text-align: center;
            border: 1px solid var(--border-primary);
        }
        .intro-card h1 { font-size: 32px; color: var(--brand-primary); margin-bottom: 15px; }
        .intro-card p { font-size: 18px; color: var(--text-secondary); line-height: 1.8; }
        .section-title { font-size: 24px; margin: 40px 0 20px; text-align: center; color: var(--brand-primary); }
        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 15px; 
            margin-bottom: 30px;
        }
        .game-card { 
            background: var(--bg-secondary); 
            border-radius: 15px; 
            overflow: hidden; 
            text-decoration: none; 
            transition: 0.3s; 
            border: 1px solid var(--border-primary);
        }
        .game-card:hover { border-color: var(--brand-primary); }
        .game-card img { 
            width: 100%; 
            aspect-ratio: 1/1; 
            object-fit: cover; 
            display: block;
        }
        .game-card h3 { 
            padding: 12px; 
            font-size: 16px; 
            color: var(--text-primary); 
            text-align: center; 
        }
        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
            margin-bottom: 40px;
        }
        .payment-item { 
            background: var(--bg-secondary); 
            padding: 15px; 
            border-radius: 12px; 
            text-align: center; 
            font-size: 14px; 
            border: 1px solid var(--border-primary);
        }
        .payment-item i { display: block; font-size: 24px; color: var(--brand-primary); margin-bottom: 8px; }
        .guidelines-grid { 
            display: grid; 
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
            gap: 20px; 
            margin-bottom: 40px;
        }
        .guideline-box { 
            background: var(--bg-secondary); 
            padding: 20px; 
            border-radius: 15px; 
            border-left: 4px solid var(--brand-primary);
        }
        .guideline-box h3 { margin-bottom: 10px; color: var(--brand-primary); }
        .guideline-box p { font-size: 14px; color: var(--text-secondary); }
        .review-grid { 
            display: grid; 
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
            gap: 20px; 
            margin-bottom: 40px;
        }
        .review-card { 
            background: var(--bg-secondary); 
            padding: 20px; 
            border-radius: 15px; 
            border: 1px solid var(--border-primary);
        }
        .review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .review-header i { font-size: 30px; color: var(--text-muted); }
        .review-header .user-info { flex-grow: 1; }
        .review-header .username { font-weight: bold; display: block; }
        .stars { color: var(--brand-primary); font-size: 12px; }
        .review-body { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-muted); }
        .lottery-list { 
            background: var(--bg-secondary); 
            border-radius: 15px; 
            padding: 20px; 
            margin-bottom: 40px; 
            border: 1px solid var(--border-primary);
        }
        .lottery-item { 
            display: grid; 
            grid-template-columns: 1fr 1fr 1fr 1fr; 
            padding: 12px 0; 
            border-bottom: 1px solid var(--border-primary); 
            font-size: 14px; 
            text-align: center;
        }
        .lottery-item:last-child { border-bottom: none; }
        .lottery-header { font-weight: bold; color: var(--brand-primary); }
        .provider-wall { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            margin-bottom: 40px;
        }
        .provider-box { 
            background: var(--bg-secondary); 
            padding: 20px; 
            border-radius: 10px; 
            text-align: center; 
            font-weight: bold; 
            color: var(--brand-primary); 
            border: 1px solid var(--border-primary);
        }
        .faq-section { margin-bottom: 40px; }
        .faq-item { 
            background: var(--bg-secondary); 
            margin-bottom: 10px; 
            border-radius: 10px; 
            padding: 20px; 
            border: 1px solid var(--border-primary);
        }
        .faq-item h3 { font-size: 18px; color: var(--brand-primary); margin-bottom: 10px; }
        .faq-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
        .security-section { 
            background: var(--bg-secondary); 
            padding: 30px; 
            border-radius: 20px; 
            text-align: center; 
            border: 1px solid var(--border-primary);
        }
        .security-grid { 
            display: flex; 
            flex-wrap: wrap; 
            justify-content: center; 
            gap: 30px; 
            margin-top: 20px;
        }
        .security-item { max-width: 250px; }
        .security-item i { font-size: 30px; color: var(--success); margin-bottom: 10px; }
        .security-item p { font-size: 14px; color: var(--text-secondary); }
        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            background: var(--bg-secondary); 
            display: flex; 
            justify-content: space-around; 
            padding: 12px 0; 
            border-top: 2px solid var(--border-primary); 
            z-index: 1001;
        }
        .nav-link { 
            text-decoration: none; 
            color: var(--text-secondary); 
            text-align: center; 
            font-size: 12px; 
            display: flex; 
            flex-direction: column; 
            gap: 5px;
        }
        .nav-link i { font-size: 20px; }
        footer { 
            background: var(--bg-secondary); 
            padding: 40px 20px 120px; 
            border-top: 2px solid var(--border-primary); 
            text-align: center; 
        }
        .footer-contact { margin-bottom: 30px; }
        .contact-links { display: flex; justify-content: center; gap: 15px; margin-top: 10px; flex-wrap: wrap; }
        .contact-links a { color: var(--brand-primary); text-decoration: none; font-size: 14px; }
        .footer-links-grid { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 15px; 
            margin-bottom: 30px; 
            text-align: left;
            max-width: 800px; 
            margin-left: auto; 
            margin-right: auto;
        }
        .footer-links-grid a { 
            color: var(--text-secondary); 
            text-decoration: none; 
            font-size: 14px; 
            display: block; 
            padding: 5px 0;
        }
        .copyright { color: var(--text-muted); font-size: 13px; margin-top: 20px; }
        @media (max-width: 768px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-links-grid { grid-template-columns: repeat(2, 1fr); }
        }