:root {
            --primary-color: #FFD700;
            --primary-dark: #B8860B;
            --secondary-color: #1A1A1A;
            --accent-color: #E63946;
            --bg-main: #0F0F0F;
            --bg-surface: #1E1E1E;
            --bg-overlay: rgba(0, 0, 0, 0.8);
            --text-heading: #FFFFFF;
            --text-body: #E0E0E0;
            --text-muted: #A0A0A0;
            --text-inverse: #000000;
            --success: #28A745;
            --error: #DC3545;
            --warning: #FFC107;
            --info: #17A2B8;
            --border-default: #333333;
            --border-highlight: #FFD700;
            --border-subtle: #2A2A2A;
            --font-primary: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
            --font-secondary: 'Roboto', sans-serif;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            background-color: var(--bg-main);
            color: var(--text-body);
            font-family: var(--font-primary);
            line-height: 1.5;
            overflow-x: hidden;
        }

        header {
            background-color: var(--bg-surface);
            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-highlight);
        }

        .brand-container {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-logo {
            width: 25px;
            height: 25px;
        }

        .brand-name {
            font-size: 16px;
            font-weight: normal;
            color: var(--text-heading);
        }

        .auth-buttons {
            display: flex;
            gap: 10px;
        }

        .btn {
            padding: 8px 16px;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            font-weight: 500;
            transition: 0.3s;
            font-family: var(--font-primary);
        }

        .btn-login {
            background-color: transparent;
            color: var(--primary-color);
            border: 1px solid var(--primary-color);
        }

        .btn-register {
            background-color: var(--primary-color);
            color: var(--text-inverse);
        }

        .btn:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }

        main {
            padding-bottom: 80px;
        }

        .hero-banner {
            width: 100%;
            aspect-ratio: 2/1;
            cursor: pointer;
            object-fit: cover;
            display: block;
        }

        .reward-section {
            background: linear-gradient(45deg, var(--secondary-color), var(--bg-surface));
            padding: 40px 20px;
            text-align: center;
            border-radius: 0 0 30px 30px;
            margin-bottom: 30px;
        }

        .reward-section h2 {
            color: var(--primary-color);
            font-size: 28px;
            margin-bottom: 15px;
        }

        .reward-section p {
            font-size: 16px;
            margin-bottom: 20px;
            color: var(--text-body);
        }

        .btn-cta {
            background-color: var(--accent-color);
            color: white;
            padding: 15px 30px;
            font-size: 20px;
            font-weight: bold;
            border-radius: 50px;
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 4px 15px rgba(230, 57, 70, 0.4);
        }

        .intro-card {
            background-color: var(--bg-surface);
            margin: 20px;
            padding: 25px;
            border-radius: 20px;
            border-left: 5px solid var(--primary-color);
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }

        .intro-card h1 {
            color: var(--primary-color);
            font-size: 32px;
            margin-bottom: 10px;
        }

        .section-title {
            text-align: center;
            color: var(--text-heading);
            font-size: 24px;
            margin: 40px 0 20px;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background: var(--primary-color);
            margin: 10px auto;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            padding: 0 15px;
        }

        .game-card {
            background-color: var(--bg-surface);
            border-radius: 15px;
            overflow: hidden;
            text-decoration: none;
            transition: 0.3s;
            border: 1px solid var(--border-subtle);
        }

        .game-card:hover {
            border-color: var(--primary-color);
            transform: scale(1.03);
        }

        .game-card img {
            width: 100%;
            aspect-ratio: 1/1;
            object-fit: cover;
        }

        .game-card h3 {
            color: var(--text-heading);
            font-size: 16px;
            text-align: center;
            padding: 10px 5px;
            font-weight: 500;
        }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            padding: 0 20px;
            margin-bottom: 40px;
        }

        .payment-item {
            background-color: var(--bg-surface);
            padding: 15px 5px;
            text-align: center;
            border-radius: 10px;
            font-size: 12px;
            color: var(--text-muted);
            border: 1px solid var(--border-subtle);
        }

        .payment-item i {
            display: block;
            font-size: 20px;
            color: var(--primary-color);
            margin-bottom: 8px;
        }

        .article-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            padding: 0 20px;
        }

        .article-card {
            background-color: var(--bg-surface);
            display: flex;
            border-radius: 15px;
            overflow: hidden;
            text-decoration: none;
            border: 1px solid var(--border-subtle);
        }

        .article-card img {
            width: 100px;
            height: 100px;
            object-fit: cover;
        }

        .article-content {
            padding: 12px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .article-content h3 {
            color: var(--text-heading);
            font-size: 15px;
            margin-bottom: 5px;
        }

        .article-content p {
            font-size: 13px;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .guidelines-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            padding: 0 20px;
        }

        .guideline-card {
            background-color: var(--bg-surface);
            padding: 15px;
            border-radius: 15px;
            border-top: 3px solid var(--primary-color);
        }

        .guideline-card h3 {
            color: var(--primary-color);
            font-size: 16px;
            margin-bottom: 8px;
        }

        .guideline-card p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .review-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
            padding: 0 20px;
        }

        .review-card {
            background-color: var(--bg-surface);
            padding: 20px;
            border-radius: 15px;
            border: 1px solid var(--border-subtle);
        }

        .review-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }

        .review-header i {
            font-size: 24px;
            color: var(--primary-color);
        }

        .review-user {
            font-weight: bold;
            color: var(--text-heading);
        }

        .stars {
            color: var(--warning);
            font-size: 12px;
            margin-left: auto;
        }

        .review-text {
            font-size: 14px;
            color: var(--text-body);
            margin-bottom: 10px;
        }

        .review-date {
            font-size: 11px;
            color: var(--text-muted);
            text-align: right;
        }

        .win-record {
            background-color: var(--bg-surface);
            margin: 0 20px 15px;
            padding: 12px 20px;
            border-radius: 10px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border: 1px dashed var(--primary-color);
        }

        .win-user { color: var(--text-muted); font-size: 14px; }
        .win-game { color: var(--text-heading); font-weight: 500; }
        .win-amount { color: var(--primary-color); font-weight: bold; }
        .win-time { font-size: 12px; color: var(--text-muted); }

        .provider-wall {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            padding: 0 20px;
        }

        .provider-item {
            background: linear-gradient(135deg, var(--bg-surface), var(--secondary-color));
            padding: 20px;
            text-align: center;
            border-radius: 12px;
            color: var(--primary-color);
            font-weight: bold;
            border: 1px solid var(--border-highlight);
        }

        .faq-section {
            padding: 0 20px;
            margin-bottom: 40px;
        }

        .faq-item {
            background-color: var(--bg-surface);
            margin-bottom: 10px;
            border-radius: 10px;
            overflow: hidden;
        }

        .faq-question {
            padding: 15px;
            color: var(--primary-color);
            font-weight: 500;
            cursor: pointer;
            border-bottom: 1px solid var(--border-subtle);
        }

        .faq-answer {
            padding: 15px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .security-section {
            background-color: var(--bg-surface);
            margin: 20px;
            padding: 25px;
            border-radius: 20px;
            text-align: center;
        }

        .security-badges {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .badge-item {
            color: var(--text-muted);
            font-size: 12px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 5px;
        }

        .badge-item i {
            font-size: 24px;
            color: var(--primary-color);
        }

        .age-notice {
            background-color: var(--accent-color);
            color: white;
            padding: 10px;
            border-radius: 8px;
            font-size: 13px;
            margin: 20px 0;
        }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: var(--bg-surface);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            border-top: 2px solid var(--primary-color);
            z-index: 2000;
        }

        .nav-item {
            text-decoration: none;
            color: var(--text-muted);
            display: flex;
            flex-direction: column;
            align-items: center;
            font-size: 11px;
            gap: 4px;
        }

        .nav-item i {
            font-size: 20px;
        }

        footer {
            background-color: var(--secondary-color);
            padding: 40px 20px 100px;
            text-align: center;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13px;
        }

        .copyright {
            color: var(--text-muted);
            font-size: 12px;
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
        }

        @media (min-width: 768px) {
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .article-grid { grid-template-columns: repeat(2, 1fr); }
            .guidelines-grid { grid-template-columns: repeat(3, 1fr); }
            .review-grid { grid-template-columns: repeat(2, 1fr); }
            .provider-wall { grid-template-columns: repeat(4, 1fr); }
            .footer-links { grid-template-columns: repeat(5, 1fr); }
        }