:root {
            --bg-primary: #0f172a;
            --bg-secondary: #1e293b;
            --bg-accent: #0f172a;
            --brand-primary: #fbbf24;
            --brand-secondary: #f59e0b;
            --brand-highlight: #d97706;
            --success: #22c55e;
            --error: #ef4444;
            --warning: #f59e0b;
            --info: #3b82f6;
            --text-primary: #ffffff;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --text-on-brand: #000000;
            --border-light: #334155;
            --border-medium: #475569;
            --border-strong: #1e293b;
            --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-primary);
            color: var(--text-primary);
            font-family: var(--font-primary);
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }
        header {
            background-color: var(--bg-secondary);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 10px 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo-area { display: flex; align-items: center; gap: 8px; }
        .logo-img { width: 25px; height: 25px; border-radius: 4px; }
        .logo-text { font-size: 16px; font-weight: normal; }
        .auth-buttons { display: flex; gap: 10px; }
        .btn-login { 
            background: transparent; 
            color: var(--text-primary); 
            border: 1px solid var(--brand-primary); 
            padding: 6px 16px; 
            border-radius: 8px; 
            cursor: pointer; 
            font-family: var(--font-primary);
        }
        .btn-register { 
            background: var(--brand-primary); 
            color: var(--text-on-brand); 
            border: none; 
            padding: 6px 16px; 
            border-radius: 8px; 
            cursor: pointer; 
            font-weight: 600;
            font-family: var(--font-primary);
        }
        main { max-width: 1200px; margin: 0 auto; padding: 20px 15px; }
        .hero-banner { 
            width: 100%; 
            aspect-ratio: 2/1; 
            border-radius: 16px; 
            overflow: hidden; 
            cursor: pointer; 
            margin-bottom: 25px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }
        .hero-banner img { width: 100%; height: 100%; object-fit: cover; }
        .reward-section {
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-accent));
            padding: 30px;
            border-radius: 20px;
            text-align: center;
            border: 2px solid var(--brand-primary);
            margin-bottom: 30px;
        }
        .reward-section h2 { color: var(--brand-primary); margin-bottom: 15px; font-size: 28px; }
        .reward-section p { color: var(--text-secondary); margin-bottom: 20px; font-size: 18px; }
        .btn-huge {
            background: var(--brand-primary);
            color: var(--text-on-brand);
            padding: 15px 40px;
            font-size: 20px;
            font-weight: bold;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: transform 0.2s;
            box-shadow: 0 4px 15px rgba(251, 191, 36, 0.4);
        }
        .btn-huge:hover { transform: scale(1.05); }
        .intro-card {
            background: var(--bg-secondary);
            padding: 25px;
            border-radius: 16px;
            border-left: 5px solid var(--brand-primary);
            margin-bottom: 40px;
        }
        .intro-card h1 { font-size: 32px; color: var(--brand-primary); margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); font-size: 18px; }
        .section-title { 
            font-size: 24px; 
            margin-bottom: 20px; 
            display: flex; 
            align-items: center; 
            gap: 10px; 
            color: var(--brand-primary);
        }
        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 15px; 
            margin-bottom: 40px; 
        }
        .game-card { 
            background: var(--bg-secondary); 
            border-radius: 12px; 
            text-decoration: none; 
            color: inherit; 
            transition: 0.3s;
            border: 1px solid var(--border-light);
            overflow: hidden;
        }
        .game-card:hover { border-color: var(--brand-primary); transform: translateY(-5px); }
        .game-card img { 
            width: 100%; 
            aspect-ratio: 1/1; 
            object-fit: cover; 
            display: block; 
        }
        .game-card h3 { padding: 12px; font-size: 16px; 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: 10px; 
            text-align: center; 
            border: 1px solid var(--border-medium); 
            font-size: 14px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .payment-item i { color: var(--brand-primary); font-size: 20px; }
        .article-list { 
            display: grid; 
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
            gap: 20px; 
            margin-bottom: 40px; 
        }
        .article-card { 
            background: var(--bg-secondary); 
            border-radius: 12px; 
            overflow: hidden; 
            text-decoration: none; 
            color: inherit; 
            border: 1px solid var(--border-light);
        }
        .article-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
        .article-content { padding: 15px; }
        .article-content h3 { font-size: 18px; margin-bottom: 8px; color: var(--brand-primary); }
        .article-content p { font-size: 14px; color: var(--text-secondary); }
        .guidelines-grid { 
            display: grid; 
            grid-template-columns: repeat(auto-fill, 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; }
        .guide-card p { font-size: 14px; color: var(--text-secondary); }
        .review-grid { 
            display: grid; 
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); 
            gap: 20px; 
            margin-bottom: 40px; 
        }
        .review-card { 
            background: var(--bg-secondary); 
            padding: 20px; 
            border-radius: 12px; 
            border: 1px solid var(--border-medium);
        }
        .review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .review-avatar { 
            width: 40px; height: 40px; 
            background: var(--brand-primary); 
            color: var(--text-on-brand); 
            border-radius: 50%; 
            display: flex; 
            align-items: center; 
            justify-content: center; 
        }
        .review-user { font-weight: 600; font-size: 15px; }
        .review-stars { color: var(--brand-primary); font-size: 13px; }
        .review-text { 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: 16px; 
            padding: 20px; 
            margin-bottom: 40px; 
        }
        .lottery-item { 
            display: grid; 
            grid-template-columns: 1fr 1fr 1fr 1fr; 
            padding: 12px 0; 
            border-bottom: 1px solid var(--border-light); 
            font-size: 14px; 
            text-align: center;
        }
        .lottery-item:last-child { border-bottom: none; }
        .lottery-header { font-weight: bold; color: var(--brand-primary); margin-bottom: 10px; }
        .provider-wall { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            margin-bottom: 40px; 
        }
        .provider-item { 
            background: linear-gradient(45deg, var(--bg-secondary), var(--border-medium)); 
            padding: 15px; 
            border-radius: 10px; 
            text-align: center; 
            font-weight: bold; 
            color: var(--brand-primary); 
            border: 1px solid var(--brand-primary);
        }
        .faq-section { margin-bottom: 40px; }
        .faq-item { 
            background: var(--bg-secondary); 
            margin-bottom: 10px; 
            border-radius: 10px; 
            overflow: hidden; 
            border: 1px solid var(--border-light);
        }
        .faq-question { 
            padding: 15px; 
            cursor: pointer; 
            font-weight: 600; 
            display: flex; 
            justify-content: space-between; 
            color: var(--brand-primary);
        }
        .faq-answer { padding: 15px; color: var(--text-secondary); border-top: 1px solid var(--border-light); font-size: 14px; }
        .security-banner { 
            background: var(--bg-secondary); 
            padding: 25px; 
            border-radius: 16px; 
            text-align: center; 
            border: 1px solid var(--border-light);
            margin-bottom: 40px;
        }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; flex-wrap: wrap; }
        .security-icons i { font-size: 30px; color: var(--brand-primary); }
        .security-text { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; }
        .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: 2px solid var(--brand-primary); 
            z-index: 2000; 
        }
        .nav-item { 
            text-decoration: none; 
            color: var(--text-secondary); 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            font-size: 12px; 
            gap: 5px;
        }
        .nav-item i { font-size: 20px; }
        footer { 
            background: var(--bg-secondary); 
            padding: 40px 15px 100px; 
            border-top: 1px solid var(--border-light); 
        }
        .footer-links { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 15px; 
            margin-bottom: 30px; 
        }
        .footer-links a { 
            color: var(--text-secondary); 
            text-decoration: none; 
            font-size: 13px; 
            display: block; 
            padding: 5px 0;
        }
        .footer-copyright { 
            text-align: center; 
            color: var(--text-muted); 
            font-size: 13px; 
            border-top: 1px solid var(--border-light); 
            padding-top: 20px; 
        }
        @media (max-width: 768px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-links { grid-template-columns: repeat(2, 1fr); }
        }