:root {
            --brand-primary: #FFD700;
            --brand-secondary: #C0C0C0;
            --brand-accent: #FF4500;
            --brand-highlight: #FFCC00;
            --bg-main: #0B0E11;
            --bg-secondary: #1B1F24;
            --bg-surface: #2B3139;
            --bg-overlay: rgba(0, 0, 0, 0.7);
            --text-primary: #FFFFFF;
            --text-secondary: #B7B7B7;
            --text-muted: #848E9C;
            --text-inverse: #0B0E11;
            --success: #00C853;
            --error: #FF5252;
            --warning: #FFAB00;
            --info: #2196F3;
            --border-light: #363C44;
            --border-medium: #474D57;
            --border-dark: #1E2329;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Noto Sans Bengali', sans-serif;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { background-color: var(--bg-main); color: var(--text-primary); font-family: var(--font-primary); line-height: 1.5; overflow-x: hidden; }
        a { text-decoration: none; color: inherit; }

        header {
            background-color: var(--bg-secondary);
            border-bottom: 1px solid var(--border-light);
            padding: 10px 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        header .logo-area { display: flex; align-items: center; gap: 8px; }
        header .logo-area img { width: 25px; height: 25px; border-radius: 4px; }
        header .logo-area strong { font-size: 16px; font-weight: normal; color: var(--brand-primary); }
        header .auth-btns { display: flex; gap: 10px; }
        .btn-auth { 
            padding: 6px 15px; 
            border-radius: 5px; 
            font-size: 14px; 
            cursor: pointer; 
            border: none; 
            font-family: var(--font-primary);
            transition: 0.3s;
        }
        .btn-login { background: var(--bg-surface); color: var(--text-primary); border: 1px solid var(--border-medium); }
        .btn-register { background: var(--brand-primary); color: var(--text-inverse); font-weight: 600; }

        main { max-width: 1000px; margin: 0 auto; padding: 0 15px 80px; }
        
        .hero-banner { 
            width: 100%; 
            aspect-ratio: 2/1; 
            cursor: pointer; 
            border-radius: 15px; 
            margin-top: 15px; 
            overflow: hidden;
            border: 2px solid var(--border-light);
        }
        .hero-banner img { width: 100%; height: 100%; object-fit: cover; }

        .reward-section {
            background: linear-gradient(135deg, var(--bg-surface), var(--bg-secondary));
            margin: 20px 0;
            padding: 25px;
            border-radius: 15px;
            text-align: center;
            border: 1px solid var(--brand-highlight);
        }
        .reward-section h2 { color: var(--brand-primary); margin-bottom: 10px; }
        .reward-section p { color: var(--text-secondary); margin-bottom: 20px; font-size: 16px; }
        .btn-main { 
            background: var(--brand-accent); 
            color: white; 
            padding: 12px 30px; 
            border-radius: 30px; 
            font-size: 18px; 
            font-weight: bold; 
            border: none; 
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4);
        }

        .intro-card {
            background: var(--bg-surface);
            padding: 30px;
            border-radius: 15px;
            margin: 20px 0;
            border-left: 5px solid var(--brand-primary);
        }
        .intro-card h1 { font-size: 32px; color: var(--brand-primary); margin-bottom: 15px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; }

        .section-title { 
            font-size: 24px; 
            margin: 30px 0 15px; 
            color: var(--text-primary); 
            border-bottom: 2px solid var(--brand-primary); 
            display: inline-block; 
            padding-bottom: 5px;
        }

        .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; 
            border: 1px solid var(--border-light); 
            transition: transform 0.2s;
        }
        .game-card:hover { transform: translateY(-5px); border-color: var(--brand-primary); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { padding: 10px; font-size: 16px; text-align: center; color: var(--text-primary); }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin: 20px 0;
        }
        .payment-item {
            background: var(--bg-surface);
            padding: 15px 5px;
            border-radius: 8px;
            text-align: center;
            font-size: 12px;
            border: 1px solid var(--border-dark);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .payment-item i { font-size: 20px; color: var(--brand-primary); }

        .guidelines-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 15px;
            margin: 20px 0;
        }
        .guide-item {
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-light);
        }
        .guide-item h3 { color: var(--brand-highlight); margin-bottom: 10px; font-size: 18px; }
        .guide-item p { color: var(--text-muted); font-size: 14px; }

        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 15px;
            margin: 20px 0;
        }
        .review-card {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: 15px;
            position: relative;
        }
        .user-info { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .user-info i { font-size: 24px; color: var(--brand-secondary); }
        .user-info span { font-weight: bold; }
        .stars { color: var(--brand-primary); margin-bottom: 8px; }
        .rev-date { display: block; font-size: 12px; color: var(--text-muted); margin-top: 10px; }

        .lottery-list {
            background: var(--bg-secondary);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .lottery-row {
            display: grid;
            grid-template-columns: 1fr 2fr 1fr 1fr;
            padding: 12px;
            border-bottom: 1px solid var(--border-dark);
            font-size: 13px;
            align-items: center;
        }
        .lottery-row:last-child { border-bottom: none; }
        .win-amount { color: var(--success); font-weight: bold; }

        .provider-wall {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin: 20px 0;
        }
        .provider-block {
            background: linear-gradient(45deg, var(--bg-surface), var(--bg-secondary));
            padding: 15px;
            text-align: center;
            border-radius: 8px;
            font-weight: bold;
            color: var(--brand-primary);
            border: 1px solid var(--border-light);
        }

        .faq-container { margin: 20px 0; }
        .faq-item {
            background: var(--bg-secondary);
            margin-bottom: 10px;
            border-radius: 8px;
            border: 1px solid var(--border-light);
            overflow: hidden;
        }
        .faq-question {
            padding: 15px;
            cursor: pointer;
            font-weight: 600;
            background: var(--bg-surface);
            display: block;
            color: var(--brand-primary);
        }
        .faq-answer { padding: 15px; color: var(--text-secondary); font-size: 14px; line-height: 1.6; }

        .security-section {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: 15px;
            text-align: center;
            margin: 30px 0;
            border: 1px dashed var(--border-medium);
        }
        .security-badges { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; flex-wrap: wrap; }
        .security-badges i { font-size: 30px; color: var(--brand-primary); }
        .age-notice { color: var(--error); font-weight: bold; margin-bottom: 10px; }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-secondary);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            border-top: 2px solid var(--brand-primary);
            z-index: 2000;
            box-shadow: 0 -5px 15px rgba(0,0,0,0.5);
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            font-size: 12px;
            color: var(--text-secondary);
            text-decoration: none;
            gap: 5px;
        }
        .nav-item i { font-size: 20px; color: var(--text-primary); }

        footer {
            background: var(--bg-secondary);
            padding: 40px 15px;
            border-top: 1px solid var(--border-light);
            color: var(--text-muted);
            font-size: 14px;
            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); }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            text-align: left;
            max-width: 600px;
            margin: 0 auto 30px;
        }
        .footer-links a { display: block; margin-bottom: 5px; color: var(--text-secondary); }
        .copyright { margin-top: 20px; border-top: 1px solid var(--border-dark); padding-top: 20px; }

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