:root {
            --primary: #FFD700;
            --primary-dark: #B8860B;
            --secondary: #E60000;
            --accent: #00FF41;
            --bg-main: #0F0F0F;
            --bg-surface: #1A1A1A;
            --bg-overlay: rgba(0, 0, 0, 0.85);
            --grad-start: #1A1A1A;
            --grad-end: #000000;
            --text-heading: #FFFFFF;
            --text-body: #CCCCCC;
            --text-muted: #888888;
            --text-inverse: #000000;
            --success: #28A745;
            --warning: #FFC107;
            --error: #DC3545;
            --info: #17A2B8;
            --border-def: #333333;
            --border-high: #FFD700;
            --border-soft: #222222;
            --font-primary: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
            --font-secondary: 'Roboto', 'Arial', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background: var(--bg-main);
            background: linear-gradient(to bottom, var(--grad-start), var(--grad-end));
            color: var(--text-body);
            font-family: var(--font-primary);
            line-height: 1.5;
            overflow-x: hidden;
        }
        header {
            background: var(--bg-surface);
            border-bottom: 2px solid var(--border-def);
            padding: 10px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .logo-area { display: flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; }
        .logo-area img { width: 25px; height: 25px; object-fit: cover; }
        .logo-area strong { font-size: 16px; font-weight: normal; color: var(--text-heading); }
        .auth-btns { display: flex; gap: 10px; }
        .btn {
            padding: 8px 16px;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            font-family: var(--font-primary);
            font-weight: 600;
            transition: 0.3s;
            text-decoration: none;
            font-size: 14px;
        }
        .btn-login { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
        .btn-login:hover { background: var(--primary); color: var(--text-inverse); }
        .btn-reg { background: var(--primary); color: var(--text-inverse); }
        .btn-reg:hover { background: var(--primary-dark); }
        main { padding: 20px 15px; max-width: 1200px; margin: 0 auto; padding-bottom: 100px; }
        .banner-container { width: 100%; margin-bottom: 25px; cursor: pointer; }
        .banner-container img { 
            width: 100%; 
            aspect-ratio: 2/1; 
            object-fit: cover; 
            border-radius: 15px; 
            box-shadow: 0 4px 15px rgba(0,0,0,0.5);
        }
        .reward-section {
            background: linear-gradient(135deg, var(--secondary), #8B0000);
            padding: 30px 20px;
            border-radius: 15px;
            text-align: center;
            color: white;
            margin-bottom: 25px;
            box-shadow: 0 10px 20px rgba(230, 0, 0, 0.3);
        }
        .reward-section h2 { font-size: 24px; margin-bottom: 15px; color: var(--primary); }
        .reward-section p { margin-bottom: 20px; font-size: 16px; opacity: 0.9; }
        .btn-large {
            display: inline-block;
            background: var(--primary);
            color: var(--text-inverse);
            padding: 15px 35px;
            font-size: 20px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            box-shadow: 0 4px 15px rgba(0,0,0,0.3);
            animation: pulse 2s infinite;
        }
        @keyframes pulse { 0% { transform: scale(1); } 50% { transform: scale(1.05); } 100% { transform: scale(1); } }
        .intro-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-def);
            border-left: 5px solid var(--primary);
            padding: 25px;
            border-radius: 12px;
            margin-bottom: 30px;
        }
        .intro-card h1 { color: var(--primary); font-size: 32px; margin-bottom: 15px; }
        .intro-card p { color: var(--text-body); line-height: 1.8; }
        .section-title {
            color: var(--text-heading);
            font-size: 24px;
            margin: 30px 0 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px solid var(--border-def);
            padding-bottom: 10px;
        }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }
        .game-card {
            background: var(--bg-surface);
            border-radius: 12px;
            overflow: hidden;
            text-decoration: none;
            border: 1px solid var(--border-soft);
            transition: 0.3s;
        }
        .game-card:hover { border-color: var(--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; 
            color: var(--text-heading); 
            font-weight: 500;
        }
        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }
        .pay-item {
            background: var(--bg-surface);
            padding: 15px 5px;
            border-radius: 8px;
            text-align: center;
            border: 1px solid var(--border-soft);
            font-size: 12px;
            color: var(--text-body);
        }
        .pay-item i { display: block; font-size: 24px; color: var(--primary); margin-bottom: 8px; }
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }
        .guide-item {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-soft);
        }
        .guide-item h3 { color: var(--primary); margin-bottom: 10px; font-size: 18px; }
        .guide-item p { font-size: 14px; color: var(--text-muted); }
        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }
        .review-card {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: 15px;
            border: 1px solid var(--border-def);
            position: relative;
        }
        .rev-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .rev-header i { font-size: 30px; color: var(--primary); }
        .rev-user { font-weight: bold; color: var(--text-heading); }
        .rev-stars { color: #FFD700; font-size: 14px; margin-bottom: 10px; }
        .rev-body { font-size: 14px; font-style: italic; margin-bottom: 10px; color: var(--text-body); }
        .rev-date { font-size: 12px; color: var(--text-muted); text-align: right; }
        .win-list {
            background: var(--bg-surface);
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 30px;
        }
        .win-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 20px;
            border-bottom: 1px solid var(--border-soft);
            font-size: 14px;
        }
        .win-item:last-child { border-bottom: none; }
        .win-user { color: var(--text-heading); font-weight: 500; }
        .win-game { color: var(--text-muted); }
        .win-amount { color: var(--accent); font-weight: bold; }
        .provider-wall {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }
        .prov-box {
            background: var(--bg-surface);
            padding: 15px;
            text-align: center;
            border-radius: 8px;
            font-weight: bold;
            color: var(--primary);
            border: 1px solid var(--primary);
            text-transform: uppercase;
            font-size: 14px;
        }
        .faq-section { margin-bottom: 30px; }
        .faq-item {
            background: var(--bg-surface);
            margin-bottom: 10px;
            border-radius: 8px;
            border: 1px solid var(--border-soft);
            padding: 15px;
        }
        .faq-item h3 { font-size: 16px; color: var(--primary); margin-bottom: 8px; }
        .faq-item p { font-size: 14px; color: var(--text-body); }
        .safety-box {
            background: #111;
            border: 2px dashed var(--border-def);
            padding: 25px;
            border-radius: 15px;
            text-align: center;
            margin-bottom: 30px;
        }
        .safety-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; flex-wrap: wrap; }
        .safety-icons div { color: var(--accent); font-size: 14px; font-weight: bold; }
        .safety-icons i { display: block; font-size: 30px; margin-bottom: 5px; }
        .safety-box p { font-size: 13px; color: var(--text-muted); }
        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-surface);
            border-top: 2px solid var(--primary);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            z-index: 2000;
            box-shadow: 0 -5px 15px rgba(0,0,0,0.5);
        }
        .nav-link {
            text-decoration: none;
            color: var(--text-muted);
            text-align: center;
            font-size: 12px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 5px;
        }
        .nav-link i { font-size: 20px; color: var(--primary); }
        footer {
            background: var(--bg-surface);
            padding: 40px 20px;
            border-top: 1px solid var(--border-def);
            text-align: center;
            font-size: 14px;
        }
        .footer-contact {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 15px;
            margin-bottom: 25px;
            flex-wrap: wrap;
        }
        .footer-contact a { color: var(--primary); text-decoration: none; }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            max-width: 600px;
            margin: 0 auto 25px;
            text-align: left;
        }
        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13px;
        }
        .footer-links a:hover { color: var(--primary); }
        .copy-right { color: var(--text-muted); font-size: 12px; border-top: 1px solid var(--border-soft); padding-top: 20px; }
        @media (max-width: 600px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-links { grid-template-columns: repeat(2, 1fr); }
        }