:root {
            --bg-primary: #0F172A;
            --bg-secondary: #1E293B;
            --bg-accent: #0F172A;
            --brand-primary: #FFD700;
            --brand-secondary: #C5A000;
            --brand-highlight: #FF4D00;
            --success: #22C55E;
            --warning: #F59E0B;
            --error: #EF4444;
            --info: #3B82F6;
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --text-inverse: #0F172A;
            --border-light: #334155;
            --border-dark: #1E293B;
            --border-accent: #FFD700;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Noto Sans Bengali', sans-serif;
            --font-accent: '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-primary);
            line-height: 1.5;
            overflow-x: hidden;
        }
        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: 2px solid var(--border-accent);
        }
        .logo-area { display: flex; align-items: center; gap: 10px; }
        .logo-area img { width: 25px; height: 25px; }
        .logo-area strong { font-size: 16px; font-weight: normal; color: var(--brand-primary); }
        .auth-buttons { display: flex; gap: 10px; }
        .btn-auth {
            padding: 6px 15px;
            border-radius: 8px;
            cursor: pointer;
            font-family: var(--font-primary);
            font-weight: 600;
            border: none;
            transition: 0.3s;
        }
        .btn-login { background: transparent; color: var(--text-primary); border: 1px solid var(--border-light); }
        .btn-register { background: var(--brand-primary); color: var(--text-inverse); }
        .btn-register:hover { background: var(--brand-secondary); }
        
        main { padding-bottom: 80px; }
        .banner-container { width: 100%; max-width: 1200px; margin: 0 auto; }
        .banner-img { 
            width: 100%; 
            aspect-ratio: 2/1; 
            object-fit: cover; 
            cursor: pointer; 
            display: block; 
        }
        
        .reward-section {
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
            text-align: center;
            padding: 40px 20px;
            margin: 20px 0;
            border-radius: 15px;
            border: 1px solid var(--border-light);
            max-width: 1200px;
            margin-inline: auto;
        }
        .reward-section h2 { color: var(--brand-primary); margin-bottom: 15px; font-size: 28px; }
        .reward-section p { color: var(--text-secondary); margin-bottom: 25px; font-size: 18px; }
        .btn-cta {
            background: var(--brand-highlight);
            color: white;
            padding: 15px 40px;
            font-size: 20px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            font-weight: bold;
            box-shadow: 0 4px 15px rgba(255, 77, 0, 0.4);
            transition: 0.3s;
        }
        .btn-cta:hover { transform: scale(1.05); }

        .intro-card {
            max-width: 1200px;
            margin: 30px auto;
            background: var(--bg-secondary);
            padding: 30px;
            border-radius: 20px;
            border-left: 5px solid var(--brand-primary);
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }
        .intro-card h1 { font-size: 32px; color: var(--brand-primary); margin-bottom: 15px; }
        .intro-card p { color: var(--text-secondary); font-size: 18px; }

        .section-title {
            text-align: center;
            margin: 40px 0 20px;
            font-size: 24px;
            color: var(--brand-primary);
            max-width: 1200px;
            margin-inline: auto;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            max-width: 1200px;
            margin: 0 auto 40px;
            padding: 0 15px;
        }
        .game-card {
            background: var(--bg-secondary);
            border-radius: 15px;
            overflow: hidden;
            text-decoration: none;
            border: 1px solid var(--border-light);
            transition: 0.3s;
        }
        .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;
            text-align: center;
            font-size: 16px;
            color: var(--text-primary);
        }

        .payment-section {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            max-width: 1200px;
            margin: 40px auto;
            padding: 20px;
            background: var(--bg-secondary);
            border-radius: 20px;
        }
        .pay-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            width: 100px;
            color: var(--text-secondary);
            font-size: 13px;
            text-align: center;
        }
        .pay-item i { font-size: 24px; color: var(--brand-primary); }

        .article-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            max-width: 1200px;
            margin: 0 auto 40px;
            padding: 0 15px;
        }
        .article-card {
            background: var(--bg-secondary);
            border-radius: 15px;
            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: 10px; color: var(--brand-primary); }
        .article-content p { font-size: 14px; color: var(--text-secondary); }

        .guidelines {
            max-width: 1200px;
            margin: 40px auto;
            padding: 0 15px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }
        .guide-box {
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 15px;
            border-top: 3px solid var(--brand-primary);
        }
        .guide-box h3 { margin-bottom: 10px; color: var(--brand-primary); }
        .guide-box p { font-size: 14px; color: var(--text-secondary); }

        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            max-width: 1200px;
            margin: 0 auto 40px;
            padding: 0 15px;
        }
        .review-card {
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 15px;
            border: 1px solid var(--border-light);
        }
        .review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .review-header i { font-size: 30px; color: var(--brand-primary); }
        .review-user { font-weight: bold; }
        .stars { color: var(--warning); font-size: 14px; }
        .review-date { font-size: 12px; color: var(--text-muted); display: block; margin-top: 10px; }

        .win-records {
            max-width: 1200px;
            margin: 0 auto 40px;
            padding: 0 15px;
        }
        .win-row {
            display: grid;
            grid-template-columns: 1fr 2fr 1fr 1fr;
            padding: 12px;
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
        }
        .win-row:nth-child(even) { background: #243146; }
        .win-amount { color: var(--success); font-weight: bold; }

        .provider-wall {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            max-width: 1200px;
            margin: 40px auto;
            padding: 0 15px;
        }
        .provider-box {
            background: linear-gradient(45deg, var(--bg-secondary), var(--border-dark));
            padding: 20px;
            text-align: center;
            border-radius: 10px;
            font-weight: bold;
            color: var(--brand-primary);
            border: 1px solid var(--border-light);
        }

        .faq-section {
            max-width: 1200px;
            margin: 40px auto;
            padding: 0 15px;
        }
        .faq-item {
            background: var(--bg-secondary);
            margin-bottom: 10px;
            padding: 20px;
            border-radius: 10px;
            border: 1px solid var(--border-light);
        }
        .faq-item h3 { color: var(--brand-primary); font-size: 18px; margin-bottom: 10px; }
        .faq-item p { color: var(--text-secondary); font-size: 15px; }

        .security-section {
            max-width: 1200px;
            margin: 40px auto;
            padding: 30px;
            background: var(--bg-secondary);
            border-radius: 20px;
            text-align: center;
            border: 1px solid var(--border-light);
        }
        .security-icons { display: flex; justify-content: center; gap: 30px; margin-bottom: 20px; flex-wrap: wrap; }
        .security-icons div { color: var(--success); font-size: 14px; display: flex; flex-direction: column; align-items: center; gap: 5px; }
        .security-icons i { font-size: 30px; }

        .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(--brand-primary);
            z-index: 2000;
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
            color: var(--text-secondary);
            font-size: 12px;
            gap: 5px;
        }
        .nav-item i { font-size: 20px; }

        footer {
            background: var(--bg-secondary);
            padding: 40px 20px 100px;
            border-top: 1px solid var(--border-light);
            text-align: center;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            max-width: 1200px;
            margin: 0 auto 30px;
            text-align: left;
        }
        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13px;
            padding: 5px 0;
        }
        .footer-copy { color: var(--text-muted); font-size: 14px; }

        @media (max-width: 768px) {
            .footer-links { grid-template-columns: repeat(2, 1fr); }
            .win-row { grid-template-columns: 1fr 1fr; gap: 5px; }
            .win-row div:nth-child(1), .win-row div:nth-child(2) { grid-column: span 2; }
        }