:root {
            --brand-primary: #D4AF37;
            --brand-primary-hover: #B8860B;
            --brand-secondary: #C0C0C0;
            --brand-secondary-hover: #A9A9A9;
            --brand-accent: #FFD700;
            --bg-main: #0A0A0A;
            --bg-surface: #1A1A1A;
            --bg-elevated: #262626;
            --bg-overlay: rgba(0, 0, 0, 0.85);
            --text-primary: #FFFFFF;
            --text-secondary: #CCCCCC;
            --text-muted: #888888;
            --text-contrast: #000000;
            --text-link: #D4AF37;
            --text-link-hover: #FFD700;
            --btn-bg: #D4AF37;
            --btn-text: #000000;
            --btn-bg-hover: #FFD700;
            --semantic-success: #28A745;
            --semantic-error: #DC3545;
            --border-default: #333333;
            --border-strong: #444444;
            --border-brand: #D4AF37;
        }

        html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: 'Noto Sans Bengali', 'Arial', sans-serif;
            font-size: clamp(15px, 3.9vw, 16px);
            line-height: 1.65;
            background-color: var(--bg-main);
            color: var(--text-primary);
            padding-inline: 14px;
            padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
            overflow-x: hidden;
        }
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-default);
        }
        .header-logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            color: var(--text-primary);
        }
        .header-logo-link strong {
            font-size: 16px;
            font-weight: normal;
        }
        .header-actions {
            display: flex;
            gap: 10px;
        }
        .btn-auth {
            min-height: 44px;
            padding: 8px 16px;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            font-weight: 600;
            font-family: inherit;
            transition: background 0.2s;
        }
        .btn-login { background: var(--bg-elevated); color: var(--text-primary); border: 1px solid var(--border-strong); }
        .btn-register { background: var(--btn-bg); color: var(--btn-text); }
        .btn-auth:hover { opacity: 0.9; }

        main { max-width: 100%; }
        
        .hero-banner-link {
            display: block;
            width: 100%;
            aspect-ratio: 2/1;
            overflow: hidden;
            border-radius: 0;
        }
        .hero-banner-link img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-content {
            padding: 20px 0;
            text-align: center;
        }
        h1 {
            font-family: 'Hind Siliguri', sans-serif;
            font-size: clamp(1.6rem, 6.5vw, 2.4rem);
            line-height: 1.2;
            color: var(--brand-primary);
            margin: 0 0 15px 0;
        }
        .hero-intro {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        .cta-main {
            display: block;
            width: 100%;
            min-height: 52px;
            background: var(--btn-bg);
            color: var(--btn-text);
            text-decoration: none;
            text-align: center;
            font-weight: bold;
            font-size: 1.2rem;
            border-radius: 12px;
            transition: transform 0.2s;
        }
        .cta-main:hover { transform: scale(1.02); background: var(--btn-bg-hover); }

        section {
            margin-top: 40px;
            content-visibility: auto;
            contain-intrinsic-size: 1px 500px;
        }
        h2 {
            font-family: 'Hind Siliguri', sans-serif;
            font-size: clamp(1.3rem, 5.2vw, 1.8rem);
            line-height: 1.25;
            color: var(--brand-primary);
            margin-bottom: 20px;
            border-left: 4px solid var(--brand-primary);
            padding-left: 12px;
        }
        h3 {
            font-family: 'Hind Siliguri', sans-serif;
            font-size: clamp(1.05rem, 4.2vw, 1.25rem);
            line-height: 1.3;
            margin: 0 0 10px 0;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }
        .game-card {
            text-decoration: none;
            color: inherit;
            background: var(--bg-surface);
            border-radius: 16px;
            overflow: hidden;
            transition: transform 0.2s;
            border: 1px solid var(--border-default);
        }
        .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: 12px;
            text-align: center;
            font-size: 1rem;
        }

        .facts-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-surface);
            border-radius: 12px;
            overflow: hidden;
        }
        .facts-table tr { border-bottom: 1px solid var(--border-default); }
        .facts-table td { padding: 12px; font-size: 0.95rem; }
        .facts-table td:first-child { font-weight: 600; color: var(--brand-primary); width: 40%; }
        .freshness-notice {
            font-style: italic;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: block;
        }

        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 10px;
            padding: 10px 0;
            scrollbar-width: none;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link {
            white-space: nowrap;
            padding: 8px 16px;
            background: var(--bg-elevated);
            color: var(--text-primary);
            text-decoration: none;
            border-radius: 20px;
            font-size: 0.9rem;
            border: 1px solid var(--border-strong);
        }
        .toc-link:hover { color: var(--brand-accent); border-color: var(--brand-primary); }

        .announcement-list { display: flex; flex-direction: column; gap: 15px; }
        .announcement-item {
            background: var(--bg-surface);
            padding: 15px;
            border-radius: 12px;
            border-left: 3px solid var(--brand-primary);
        }
        .announcement-header { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
        .announcement-date { font-size: 0.8rem; color: var(--text-muted); display: block; margin-top: 8px; }

        .category-hub {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        .category-tile {
            text-decoration: none;
            color: inherit;
            background: var(--bg-surface);
            padding: 20px;
            border-radius: 16px;
            text-align: center;
            border: 1px solid var(--border-default);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .category-tile i { font-size: 2rem; color: var(--brand-primary); }
        .category-tile span { font-weight: bold; display: block; }
        .category-tile p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

        .usp-bar { display: flex; flex-direction: column; gap: 15px; }
        .usp-item {
            background: var(--bg-surface);
            padding: 15px;
            border-radius: 12px;
            display: flex;
            gap: 15px;
            align-items: flex-start;
        }
        .usp-item i { color: var(--brand-primary); font-size: 1.5rem; margin-top: 4px; }

        .promo-card {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: 16px;
            margin-bottom: 15px;
            border: 1px solid var(--border-default);
        }
        .promo-card h3 { color: var(--brand-primary); }
        .promo-cta {
            display: inline-block;
            margin-top: 15px;
            padding: 10px 20px;
            background: var(--brand-primary);
            color: var(--btn-text);
            text-decoration: none;
            border-radius: 8px;
            font-weight: bold;
        }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        .payment-card {
            background: var(--bg-surface);
            padding: 15px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--border-default);
        }
        .payment-card i { font-size: 2rem; color: var(--brand-primary); margin-bottom: 10px; display: block; }

        .step-list { display: flex; flex-direction: column; gap: 20px; }
        .step-item { display: flex; gap: 15px; align-items: flex-start; }
        .step-num {
            min-width: 36px; height: 36px; background: var(--brand-primary);
            color: var(--btn-text); border-radius: 50%; display: flex;
            align-items: center; justify-content: center; font-weight: bold;
        }
        .step-content h3 { margin: 0 0 5px 0; }
        .step-content h3 a { color: inherit; text-decoration: none; }

        .provider-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
        }
        .provider-item {
            background: var(--bg-surface);
            padding: 15px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--border-default);
        }

        .guide-item {
            background: var(--bg-surface);
            padding: 15px;
            border-radius: 12px;
            margin-bottom: 12px;
        }
        .guide-meta { font-size: 0.8rem; color: var(--text-muted); display: block; margin-bottom: 8px; }

        .vip-grid {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 12px;
        }
        .vip-card {
            background: linear-gradient(135deg, var(--bg-surface), var(--bg-elevated));
            padding: 20px;
            border-radius: 16px;
            border: 1px solid var(--border-strong);
            text-align: center;
        }

        details { background: var(--bg-surface); padding: 15px; border-radius: 12px; margin-bottom: 10px; border: 1px solid var(--border-default); }
        summary { font-weight: bold; cursor: pointer; outline: none; }

        .team-card {
            background: var(--bg-elevated);
            padding: 20px;
            border-radius: 16px;
            margin-top: 20px;
            border: 1px solid var(--border-brand);
        }

        footer {
            margin-top: 40px;
            padding: 30px 0;
            background: var(--bg-surface);
            text-align: center;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            max-width: 600px;
            margin: 0 auto 20px;
        }
        .footer-links a { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; }
        .legal-text { font-size: 0.8rem; color: var(--text-muted); line-height: 1.4; }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 64px;
            background: var(--bg-surface);
            display: flex;
            justify-content: space-around;
            align-items: center;
            border-top: 1px solid var(--border-default);
            padding-bottom: env(safe-area-inset-bottom);
            z-index: 1000;
        }
        .nav-item {
            text-decoration: none;
            color: var(--text-secondary);
            display: flex;
            flex-direction: column;
            align-items: center;
            font-size: 0.75rem;
            gap: 4px;
        }
        .nav-item i { font-size: 1.2rem; }

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .category-hub { grid-template-columns: repeat(3, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .provider-grid { grid-template-columns: repeat(4, 1fr); }
            .vip-grid { grid-template-columns: repeat(4, 1fr); }
            .navigator { position: static; display: none; }
            footer { padding-bottom: 24px; }
        }

        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
        }