:root {
            --primary: #FFD700;
            --primary-hover: #FFC800;
            --secondary: #1A1A1A;
            --accent: #E61E2A;
            --main-bg: #0F0F0F;
            --surface: #1C1C1C;
            --elevated: #2A2A2A;
            --overlay: rgba(0, 0, 0, 0.7);
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-muted: #757575;
            --text-inverse: #000000;
            --success: #4CAF50;
            --warning: #FF9800;
            --error: #F44336;
            --info: #2196F3;
            --border-default: #333333;
            --border-strong: #444444;
            --border-brand: #FFD700;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-display: 'Noto Serif Bengali', serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { 
            background-color: var(--main-bg); 
            color: var(--text-primary); 
            font-family: var(--font-primary); 
            line-height: 1.5; 
            overflow-x: hidden;
        }
        header {
            background-color: var(--secondary);
            padding: 10px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--border-brand);
        }
        header .logo-area { display: flex; align-items: center; gap: 10px; }
        header img { width: 25px; height: 25px; border-radius: 50%; }
        header strong { font-size: 16px; font-weight: normal; color: var(--text-primary); }
        .auth-btns { display: flex; gap: 10px; }
        .btn-login, .btn-reg { 
            padding: 6px 15px; 
            border-radius: 5px; 
            cursor: pointer; 
            font-size: 14px; 
            font-weight: 500; 
            border: none; 
            transition: 0.3s; 
        }
        .btn-login { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
        .btn-reg { background: var(--primary); color: var(--text-inverse); }
        .btn-reg:hover { background: var(--primary-hover); }
        
        main { max-width: 1000px; margin: 0 auto; padding: 20px 15px 100px; }
        .hero-banner { 
            width: 100%; 
            aspect-ratio: 2/1; 
            cursor: pointer; 
            border-radius: 15px; 
            overflow: hidden; 
            margin-bottom: 20px; 
            box-shadow: 0 4px 15px rgba(0,0,0,0.5);
        }
        .hero-banner img { width: 100%; height: 100%; object-fit: cover; }
        
        .promo-card {
            background: linear-gradient(135deg, var(--elevated), var(--secondary));
            padding: 30px;
            border-radius: 20px;
            text-align: center;
            border: 2px solid var(--border-brand);
            margin-bottom: 30px;
        }
        .promo-card h2 { font-family: var(--font-display); color: var(--primary); font-size: 28px; margin-bottom: 15px; }
        .promo-card p { color: var(--text-secondary); margin-bottom: 20px; font-size: 18px; }
        .btn-bonus { 
            background: var(--accent); 
            color: white; 
            padding: 15px 30px; 
            border-radius: 50px; 
            font-size: 20px; 
            font-weight: bold; 
            cursor: pointer; 
            border: none; 
            box-shadow: 0 5px 15px rgba(230, 30, 42, 0.4); 
        }

        .section-title { 
            font-family: var(--font-display); 
            font-size: 24px; 
            margin: 30px 0 20px; 
            text-align: center; 
            color: var(--primary); 
            position: relative; 
        }
        .section-title::after { 
            content: ''; display: block; width: 50px; height: 3px; 
            background: var(--primary); margin: 10px auto; 
        }

        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 15px; 
            margin-bottom: 30px; 
        }
        .game-card { 
            background: var(--surface); 
            border-radius: 15px; 
            text-decoration: none; 
            color: white; 
            overflow: hidden; 
            transition: 0.3s; 
            border: 1px solid var(--border-default); 
        }
        .game-card:hover { transform: translateY(-5px); border-color: var(--primary); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { padding: 12px; font-size: 16px; text-align: center; font-weight: 500; }

        .intro-card {
            background: var(--surface);
            padding: 30px;
            border-radius: 20px;
            text-align: center;
            border-left: 5px solid var(--primary);
            margin-bottom: 30px;
        }
        .intro-card h1 { font-family: var(--font-display); font-size: 32px; color: var(--primary); margin-bottom: 15px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; line-height: 1.8; }

        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
        }
        .payment-item { 
            background: var(--elevated); 
            padding: 15px 5px; 
            text-align: center; 
            border-radius: 10px; 
            font-size: 12px; 
            color: var(--text-secondary); 
            border: 1px solid var(--border-default); 
        }
        .payment-item i { display: block; font-size: 20px; color: var(--primary); margin-bottom: 8px; }

        .guide-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 20px; 
            margin-bottom: 30px; 
        }
        .guide-item { 
            background: var(--surface); 
            padding: 20px; 
            border-radius: 15px; 
            border: 1px solid var(--border-default); 
        }
        .guide-item h3 { color: var(--primary); margin-bottom: 10px; font-size: 18px; }
        .guide-item p { color: var(--text-secondary); font-size: 14px; }

        .review-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 20px; 
            margin-bottom: 30px; 
        }
        .review-card { 
            background: var(--surface); 
            padding: 20px; 
            border-radius: 15px; 
            border: 1px solid var(--border-strong); 
        }
        .review-header { display: flex; align-items: center; gap: 15px; margin-bottom: 10px; }
        .review-header i { font-size: 30px; color: var(--primary); }
        .review-user { font-weight: bold; font-size: 16px; }
        .review-stars { color: var(--primary); font-size: 14px; }
        .review-body { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-muted); }

        .lottery-list { 
            background: var(--surface); 
            border-radius: 15px; 
            overflow: hidden; 
            margin-bottom: 30px; 
        }
        .lottery-item { 
            display: grid; 
            grid-template-columns: 1fr 2fr 1fr 1fr; 
            padding: 12px 15px; 
            border-bottom: 1px solid var(--border-default); 
            font-size: 13px; 
            align-items: center; 
        }
        .lottery-item:nth-child(even) { background: var(--elevated); }
        .win-amount { color: var(--primary); font-weight: bold; }

        .provider-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
        }
        .provider-item { 
            background: var(--elevated); 
            text-align: center; 
            padding: 15px; 
            border-radius: 10px; 
            font-weight: bold; 
            color: var(--primary); 
            border: 1px solid var(--border-strong); 
        }

        .faq-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 15px; 
            margin-bottom: 30px; 
        }
        .faq-item { 
            background: var(--surface); 
            padding: 20px; 
            border-radius: 15px; 
            border: 1px solid var(--border-default); 
        }
        .faq-item h3 { color: var(--primary); font-size: 16px; margin-bottom: 10px; }
        .faq-item p { color: var(--text-secondary); font-size: 14px; line-height: 1.6; }

        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            background: var(--secondary); 
            display: flex; 
            justify-content: space-around; 
            padding: 10px 0; 
            border-top: 2px solid var(--border-brand); 
            z-index: 1001; 
        }
        .nav-item { 
            text-decoration: none; 
            color: var(--text-secondary); 
            text-align: center; 
            font-size: 12px; 
            display: flex; 
            flex-direction: column; 
            gap: 5px; 
        }
        .nav-item i { font-size: 20px; color: var(--primary); }

        footer { 
            background: var(--secondary); 
            padding: 40px 20px 120px; 
            border-top: 1px solid var(--border-default); 
            text-align: center; 
        }
        .footer-contact { margin-bottom: 30px; display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; }
        .footer-contact a { color: var(--primary); text-decoration: none; font-size: 14px; }
        .footer-links { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            text-align: left; 
            margin-bottom: 30px; 
        }
        .footer-links a { color: var(--text-secondary); text-decoration: none; font-size: 13px; display: block; padding: 5px 0; }
        .footer-security { 
            background: var(--elevated); 
            padding: 20px; 
            border-radius: 15px; 
            font-size: 12px; 
            color: var(--text-muted); 
        }
        .security-icons { margin-bottom: 10px; font-size: 20px; color: var(--primary); }

        @media (max-width: 600px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-links { grid-template-columns: repeat(2, 1fr); }
        }