:root {
            --primary: #FFD700;
            --primary-hover: #FFC300;
            --secondary: #C0C0C0;
            --accent: #FF4500;
            --main-bg: #0F0F0F;
            --surface-bg: #1A1A1A;
            --card-bg: #262626;
            --overlay-bg: rgba(0, 0, 0, 0.8);
            --text-heading: #FFFFFF;
            --text-body: #E0E0E0;
            --text-muted: #A0A0A0;
            --text-highlight: #FFD700;
            --success: #28A745;
            --error: #DC3545;
            --warning: #FFC107;
            --info: #17A2B8;
            --border-default: #333333;
            --border-active: #FFD700;
            --border-subtle: #222222;
        }

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

        body {
            background-color: var(--main-bg);
            color: var(--text-body);
            font-family: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
            line-height: 1.5;
            padding-bottom: 80px;
        }

        header {
            background-color: var(--surface-bg);
            border-bottom: 1px solid var(--border-default);
            padding: 0 15px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .brand-section {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-heading);
        }

        .brand-logo {
            width: 25px;
            height: 25px;
            object-fit: cover;
            border-radius: 4px;
        }

        .brand-name {
            font-size: 16px;
            font-weight: normal;
        }

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

        .btn {
            padding: 8px 16px;
            border-radius: 8px;
            font-family: 'Roboto', sans-serif;
            font-weight: 500;
            cursor: pointer;
            border: none;
            transition: 0.3s;
            font-size: 14px;
            text-decoration: none;
        }

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

        .btn-register {
            background-color: var(--primary);
            color: #000;
        }

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

        main {
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 15px;
        }

        .hero-banner {
            width: 100%;
            aspect-ratio: 2 / 1;
            overflow: hidden;
            border-radius: 0 0 20px 20px;
            cursor: pointer;
            margin-bottom: 20px;
        }

        .hero-banner img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .reward-section {
            background: linear-gradient(135deg, #262626 0%, #1A1A1A 100%);
            padding: 30px;
            border-radius: 15px;
            text-align: center;
            border: 2px solid var(--primary);
            margin-bottom: 25px;
        }

        .reward-section h2 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 24px;
        }

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

        .btn-huge {
            padding: 15px 40px;
            font-size: 18px;
            font-weight: bold;
            background-color: var(--accent);
            color: white;
            border-radius: 50px;
            box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4);
        }

        .intro-card {
            background-color: var(--card-bg);
            padding: 25px;
            border-radius: 15px;
            text-align: center;
            margin-bottom: 30px;
            border-left: 5px solid var(--primary);
        }

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

        .section-title {
            font-size: 24px;
            color: var(--text-heading);
            margin: 30px 0 20px;
            text-align: center;
            position: relative;
        }

        .section-title::after {
            content: '';
            width: 50px;
            height: 3px;
            background: var(--primary);
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }

        .game-card {
            background-color: var(--card-bg);
            border-radius: 12px;
            overflow: hidden;
            text-decoration: none;
            transition: transform 0.2s;
            border: 1px solid var(--border-subtle);
        }

        .game-card:hover {
            transform: translateY(-5px);
        }

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

        .game-card h3 {
            padding: 12px;
            font-size: 16px;
            color: var(--text-body);
            text-align: center;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            text-align: center;
        }

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

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

        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }

        .guide-card {
            background-color: var(--surface-bg);
            padding: 20px;
            border-radius: 12px;
            border-bottom: 3px solid var(--primary);
        }

        .guide-card h3 {
            color: var(--primary);
            margin-bottom: 10px;
            font-size: 18px;
        }

        .guide-card p {
            font-size: 14px;
            color: var(--text-muted);
        }

        .review-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
            margin-bottom: 30px;
        }

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

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

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

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

        .review-stars {
            color: var(--primary);
            font-size: 12px;
            margin-bottom: 10px;
        }

        .review-text {
            font-size: 14px;
            font-style: italic;
            color: var(--text-body);
        }

        .review-date {
            display: block;
            text-align: right;
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 10px;
        }

        .win-record {
            background-color: var(--surface-bg);
            border-radius: 15px;
            padding: 15px;
            margin-bottom: 30px;
        }

        .win-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 14px;
        }

        .win-item:last-child {
            border-bottom: none;
        }

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

        .provider-wall {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 40px;
        }

        .provider-item {
            background: linear-gradient(45deg, #262626, #333);
            padding: 15px;
            text-align: center;
            border-radius: 8px;
            color: var(--primary);
            font-weight: bold;
            border: 1px solid var(--border-default);
        }

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

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

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

        .faq-answer {
            padding: 15px;
            font-size: 14px;
            color: var(--text-body);
            background-color: var(--card-bg);
        }

        .security-section {
            background-color: var(--surface-bg);
            padding: 25px;
            border-radius: 15px;
            text-align: center;
            border: 1px solid var(--border-default);
        }

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

        .badge {
            color: var(--primary);
            font-size: 14px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 5px;
        }

        .badge i { font-size: 24px; }

        .security-notice {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: var(--surface-bg);
            display: flex;
            justify-content: space-around;
            align-items: center;
            height: 65px;
            border-top: 1px solid var(--border-default);
            z-index: 2000;
            padding: 0 10px;
        }

        .nav-item {
            text-decoration: none;
            display: flex;
            flex-direction: column;
            align-items: center;
            color: var(--text-muted);
            font-size: 11px;
            gap: 5px;
        }

        .nav-item i {
            font-size: 20px;
            color: var(--text-heading);
        }

        footer {
            background-color: var(--surface-bg);
            padding: 40px 15px 100px;
            border-top: 1px solid var(--border-default);
            text-align: center;
        }

        .footer-contact {
            margin-bottom: 30px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 15px;
        }

        .contact-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
        }

        .contact-link {
            color: var(--primary);
            text-decoration: none;
            font-size: 14px;
        }

        .footer-links-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            margin-bottom: 30px;
            text-align: left;
        }

        .footer-link {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13px;
            display: block;
            margin-bottom: 5px;
        }

        .copyright-bar {
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
        }

        @media (min-width: 768px) {
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .footer-links-grid { grid-template-columns: repeat(5, 1fr); }
            .payment-grid { grid-template-columns: repeat(8, 1fr); }
            .provider-wall { grid-template-columns: repeat(4, 1fr); }
        }