:root {
            --bg-primary: #0f172a;
            --bg-secondary: #1e293b;
            --bg-accent: #111827;
            --brand-primary: #ffca28;
            --brand-secondary: #f59e0b;
            --brand-highlight: #ffd700;
            --brand-cta: #e11d48;
            --success: #22c55e;
            --warning: #facc15;
            --error: #ef4444;
            --info: #3b82f6;
            --text-primary: #ffffff;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --text-on-brand: #000000;
            --border-primary: #334155;
            --border-secondary: #475569;
            --border-highlight: #ffca28;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Noto Sans Bengali', sans-serif;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
        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: 12px 20px; display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 1000; border-bottom: 2px solid var(--brand-primary); }
        header .logo-area { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text-primary); }
        header .logo-area img { width: 25px; height: 25px; border-radius: 4px; }
        header .logo-area strong { font-size: 16px; font-weight: normal; }
        header .auth-buttons { 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; text-align: center; }
        .btn-login { background-color: transparent; color: var(--brand-primary); border: 1px solid var(--brand-primary); }
        .btn-register { background-color: var(--brand-cta); color: #fff; }
        .btn:hover { opacity: 0.9; transform: translateY(-2px); }
        main { padding-bottom: 80px; max-width: 1200px; margin: 0 auto; }
        .hero-banner { width: 100%; aspect-ratio: 2/1; overflow: hidden; cursor: pointer; }
        .hero-banner img { width: 100%; height: 100%; object-fit: cover; display: block; }
        .reward-section { background: linear-gradient(135deg, var(--bg-secondary), var(--bg-accent)); padding: 30px 20px; text-align: center; border-radius: 20px; margin: 20px; border: 1px solid var(--border-primary); }
        .reward-section h2 { color: var(--brand-primary); font-size: 24px; margin-bottom: 15px; }
        .reward-section p { color: var(--text-secondary); margin-bottom: 20px; font-size: 16px; }
        .btn-huge { background-color: var(--brand-primary); color: var(--text-on-brand); padding: 15px 40px; font-size: 20px; border-radius: 50px; display: inline-block; text-decoration: none; box-shadow: 0 4px 15px rgba(255, 202, 40, 0.4); }
        .intro-card { background: var(--bg-secondary); margin: 20px; padding: 30px; border-radius: 20px; border-left: 5px solid var(--brand-primary); text-align: center; }
        .intro-card h1 { font-size: 30px; color: var(--brand-highlight); margin-bottom: 15px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; }
        .section-title { text-align: center; margin: 40px 0 20px; font-size: 24px; color: var(--brand-primary); position: relative; padding-bottom: 10px; }
        .section-title::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 60px; height: 3px; background: var(--brand-primary); }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; padding: 0 20px; }
        .game-card { background: var(--bg-accent); border-radius: 15px; overflow: hidden; border: 1px solid var(--border-primary); transition: 0.3s; text-decoration: none; display: block; }
        .game-card:hover { border-color: var(--brand-highlight); transform: scale(1.03); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }
        .game-card h3 { padding: 12px; font-size: 16px; color: var(--text-primary); text-align: center; font-weight: 500; }
        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 0 20px; }
        .payment-item { background: var(--bg-secondary); padding: 15px 10px; border-radius: 12px; text-align: center; border: 1px solid var(--border-primary); display: flex; flex-direction: column; align-items: center; gap: 8px; }
        .payment-item i { font-size: 24px; color: var(--brand-primary); }
        .payment-item span { font-size: 12px; color: var(--text-secondary); }
        .guide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; padding: 0 20px; }
        .guide-card { background: var(--bg-secondary); padding: 20px; border-radius: 15px; border: 1px solid var(--border-primary); }
        .guide-card h3 { color: var(--brand-highlight); margin-bottom: 10px; font-size: 18px; }
        .guide-card p { color: var(--text-secondary); font-size: 14px; }
        .review-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; padding: 0 20px; }
        .review-card { background: var(--bg-accent); padding: 20px; border-radius: 15px; border: 1px solid var(--border-primary); position: relative; }
        .review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .review-header i { font-size: 30px; color: var(--brand-primary); }
        .review-header .user-info h4 { font-size: 16px; }
        .review-header .user-info .stars { color: var(--brand-highlight); font-size: 12px; }
        .review-content { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; font-style: italic; }
        .review-date { font-size: 12px; color: var(--text-muted); text-align: right; }
        .win-record-table { width: calc(100% - 40px); margin: 0 20px; background: var(--bg-secondary); border-radius: 15px; border-collapse: collapse; overflow: hidden; }
        .win-record-table th, .win-record-table td { padding: 12px; text-align: left; border-bottom: 1px solid var(--border-primary); font-size: 14px; }
        .win-record-table th { background: var(--bg-accent); color: var(--brand-primary); }
        .win-record-table td:nth-child(3) { color: var(--success); font-weight: bold; }
        .provider-wall { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; padding: 0 20px; }
        .provider-item { background: var(--brand-primary); color: var(--text-on-brand); padding: 15px; border-radius: 10px; text-align: center; font-weight: bold; font-size: 16px; }
        .faq-section { padding: 0 20px; display: grid; gap: 15px; }
        .faq-item { background: var(--bg-secondary); padding: 20px; border-radius: 15px; border: 1px solid var(--border-primary); }
        .faq-item h3 { color: var(--brand-highlight); font-size: 17px; margin-bottom: 10px; }
        .faq-item p { color: var(--text-secondary); font-size: 14px; }
        .security-box { margin: 20px; padding: 30px; background: var(--bg-accent); border-radius: 20px; border: 1px solid var(--brand-cta); text-align: center; }
        .security-box h2 { color: var(--brand-cta); margin-bottom: 15px; }
        .security-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; margin: 20px 0; }
        .security-item { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); font-size: 14px; }
        .security-item i { color: var(--success); }
        .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: 1000; box-shadow: 0 -5px 15px rgba(0,0,0,0.5); }
        .nav-link { text-decoration: none; color: var(--text-secondary); display: flex; flex-direction: column; align-items: center; font-size: 12px; gap: 5px; }
        .nav-link i { font-size: 20px; }
        footer { background: var(--bg-secondary); padding: 40px 20px 100px; border-top: 1px solid var(--border-primary); }
        footer .contact-row { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 15px; margin-bottom: 30px; }
        footer .contact-row span { color: var(--brand-primary); font-weight: bold; }
        footer .contact-row a { color: var(--text-secondary); text-decoration: none; font-size: 14px; }
        footer .link-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 30px; }
        footer .link-columns a { display: block; color: var(--text-secondary); text-decoration: none; font-size: 13px; margin-bottom: 8px; text-align: center; }
        footer .copyright { text-align: center; color: var(--text-muted); font-size: 12px; padding-top: 20px; border-top: 1px solid var(--border-primary); }
        @media (max-width: 600px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .link-columns { grid-template-columns: repeat(2, 1fr); }
        }