:root {
            --bg-primary: #0F172A;
            --bg-secondary: #1E293B;
            --bg-accent-dark: #020617;
            --brand-primary: #FFD700;
            --brand-secondary: #FFB800;
            --brand-highlight: #E11D48;
            --brand-success: #22C55E;
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-light: #334155;
            --border-medium: #475569;
            --border-dark: #1E293B;
            --font-main: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
            --font-alt: 'Roboto', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-main);
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }
        header {
            background-color: var(--bg-secondary);
            padding: 10px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-light);
        }
        .header-logo-box { display: flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; }
        .header-logo-box img { width: 25px; height: 25px; border-radius: 4px; }
        .header-logo-box strong { font-size: 16px; font-weight: 400; color: var(--brand-primary); }
        .header-auth { display: flex; gap: 12px; }
        .btn-login { 
            background: transparent; border: 1px solid var(--brand-primary); color: var(--brand-primary);
            padding: 6px 16px; border-radius: 8px; cursor: pointer; font-family: var(--font-main); font-weight: 500;
        }
        .btn-register { 
            background: var(--brand-primary); border: none; color: var(--bg-primary);
            padding: 6px 16px; border-radius: 8px; cursor: pointer; font-family: var(--font-main); font-weight: 700;
        }
        main { max-width: 1200px; margin: 0 auto; padding: 20px; }
        .banner-container { width: 100%; margin-bottom: 25px; cursor: pointer; }
        .banner-container img { 
            width: 100%; aspect-ratio: 2/1; object-fit: cover; border-radius: 16px; 
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }
        .reward-section {
            background: linear-gradient(135deg, var(--brand-highlight), #9F1239);
            padding: 30px; border-radius: 16px; text-align: center; margin-bottom: 30px;
            border: 2px solid var(--brand-primary);
        }
        .reward-section h2 { font-size: 28px; margin-bottom: 15px; color: #fff; }
        .reward-section p { font-size: 18px; margin-bottom: 20px; color: #ffe4e6; }
        .btn-big-reg { 
            background: var(--brand-primary); color: var(--bg-accent-dark); 
            padding: 15px 40px; font-size: 20px; font-weight: 700; border-radius: 50px; 
            border: none; cursor: pointer; text-transform: uppercase; box-shadow: 0 4px 15px rgba(0,0,0,0.3);
        }
        .intro-card {
            background: var(--bg-secondary); padding: 30px; border-radius: 16px; 
            border-left: 5px solid var(--brand-primary); margin-bottom: 30px;
        }
        .intro-card h1 { font-size: 40px; color: var(--brand-primary); margin-bottom: 15px; }
        .intro-card p { font-size: 18px; color: var(--text-secondary); }
        .section-title { 
            font-size: 32px; color: var(--text-primary); margin: 40px 0 20px; 
            display: flex; align-items: center; gap: 10px;
        }
        .section-title::before { content: ''; width: 4px; height: 32px; background: var(--brand-primary); display: inline-block; }
        .game-grid { 
            display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin-bottom: 30px; 
        }
        .game-card { 
            background: var(--bg-secondary); border-radius: 12px; overflow: hidden; 
            text-decoration: none; transition: transform 0.2s; border: 1px solid var(--border-light);
        }
        .game-card:hover { transform: translateY(-5px); border-color: var(--brand-primary); }
        .game-card img { 
            width: 100%; aspect-ratio: 1/1; object-fit: cover; background: var(--bg-accent-dark); 
        }
        .game-card h3 { padding: 12px; font-size: 18px; color: #fff; text-align: center; }
        .payment-grid { 
            display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 15px; 
            margin-bottom: 30px;
        }
        .payment-item { 
            background: var(--bg-secondary); padding: 15px; border-radius: 12px; 
            text-align: center; border: 1px solid var(--border-medium); color: var(--text-secondary);
        }
        .payment-item i { display: block; font-size: 24px; margin-bottom: 8px; color: var(--brand-primary); }
        .guide-grid { 
            display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 40px; 
        }
        .guide-card { 
            background: var(--bg-secondary); padding: 20px; border-radius: 12px; 
            border: 1px solid var(--border-light);
        }
        .guide-card h3 { color: var(--brand-primary); margin-bottom: 10px; font-size: 20px; }
        .guide-card p { color: var(--text-secondary); font-size: 14px; }
        .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: 16px; 
            border: 1px solid var(--border-light); position: relative;
        }
        .review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .review-header i { font-size: 30px; color: var(--brand-primary); }
        .review-name { font-weight: 600; font-size: 16px; }
        .review-stars { color: #FBBF24; font-size: 14px; margin-bottom: 10px; }
        .review-text { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-muted); }
        .lottery-table { 
            width: 100%; border-collapse: collapse; background: var(--bg-secondary); 
            border-radius: 12px; overflow: hidden; margin-bottom: 40px;
        }
        .lottery-table th { background: var(--border-medium); padding: 15px; text-align: left; color: var(--brand-primary); }
        .lottery-table td { padding: 12px 15px; border-bottom: 1px solid var(--border-light); font-size: 14px; }
        .lottery-table tr:last-child td { border-bottom: none; }
        .win-amount { color: var(--brand-success); font-weight: 700; }
        .providers-wall { 
            display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 40px; 
        }
        .provider-box { 
            background: var(--bg-secondary); padding: 15px; border-radius: 8px; 
            text-align: center; font-weight: 600; border: 1px solid var(--border-light);
            color: var(--brand-primary);
        }
        .faq-section { margin-bottom: 40px; }
        .faq-item { 
            background: var(--bg-secondary); margin-bottom: 10px; border-radius: 12px; 
            overflow: hidden; border: 1px solid var(--border-light);
        }
        .faq-question { 
            padding: 15px 20px; cursor: pointer; font-weight: 600; color: #fff; 
            display: flex; justify-content: space-between; align-items: center;
        }
        .faq-answer { padding: 0 20px 15px 20px; color: var(--text-secondary); font-size: 14px; line-height: 1.6; }
        .security-banner { 
            background: var(--bg-accent-dark); padding: 30px; border-radius: 16px; 
            text-align: center; border: 1px solid var(--border-medium); margin-bottom: 40px;
        }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; flex-wrap: wrap; }
        .security-icons div { color: var(--text-secondary); font-size: 14px; display: flex; align-items: center; gap: 8px; }
        .security-icons i { color: var(--brand-success); }
        .age-notice { color: var(--brand-highlight); font-weight: 700; margin: 10px 0; }
        .navigator { 
            position: fixed; bottom: 0; left: 0; right: 0; background: var(--bg-secondary); 
            display: flex; justify-content: space-around; align-items: center; 
            padding: 10px 0; border-top: 1px solid var(--border-light); z-index: 2000;
        }
        .nav-item { 
            text-decoration: none; color: var(--text-secondary); text-align: center; 
            font-size: 12px; display: flex; flex-direction: column; gap: 4px;
        }
        .nav-item i { font-size: 20px; color: var(--text-primary); }
        footer { 
            background: var(--bg-accent-dark); padding: 40px 20px 100px; 
            border-top: 1px solid var(--border-light); color: var(--text-muted); 
        }
        .footer-contact { 
            display: flex; flex-direction: column; align-items: center; gap: 15px; 
            margin-bottom: 30px; text-align: center; 
        }
        .contact-links { display: flex; gap: 15px; flex-wrap: wrap; justify-content: center; }
        .contact-links a { color: var(--text-primary); text-decoration: none; font-size: 14px; }
        .footer-links { 
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; 
            margin-bottom: 30px; text-align: center;
        }
        .footer-links a { 
            display: block; color: var(--text-muted); text-decoration: none; 
            font-size: 13px; margin-bottom: 8px;
        }
        .copyright { text-align: center; font-size: 14px; border-top: 1px solid var(--border-dark); padding-top: 20px; }
        @media (min-width: 768px) {
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .footer-links { text-align: left; }
        }