:root {
            --primary-color: #3b82f6;
            --secondary-color: #1d4ed8;
            --accent-color: #00ff88;
            --background-color: #000;
            --card-background: #1c1c1c;
            --text-color: #f3f4f6;
            --border-color: #374151;
            --hover-color: #2d3748;
            --tier-premium: #fbbf24;
            --tier-high: #34d399;
            --tier-medium: #60a5fa;
            --tier-basic: #a78bfa;
            --tier-low: #ef4444;
        }

        /* Add new style for low tier */
        .tier-low {
            color: var(--tier-low);
        }

        body {
           /* background-color: var(--background-color); */
            color: var(--text-color);
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            line-height: 1.5;
        }

        .hero-section {
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        position: relative;
        padding: 2rem;
        background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7));
        overflow: hidden;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
        }

        .hero-section h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            background: linear-gradient(to right, var(--text-color), var(--accent-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.025em;
        }

        .hero-section h2 {
            font-size: 1.875rem;
            font-weight: 500;
            color: var(--accent-color);
        }

        .rates-section {
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem;
        }

        .tier-container {
            margin-bottom: 4rem;
        }

        .tier-title {
            font-size: 1.5rem;
            color: var(--text-color);
            margin-bottom: 2rem;
            text-align: center;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
        }

        .tier-title::before,
        .tier-title::after {
            content: '';
            height: 1px;
            width: 50px;
            background: currentColor;
            opacity: 0.3;
        }

        .countries-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .country-card {
            background: var(--card-background);
            border-radius: 1rem;
            padding: 1.5rem;
           /* border: 1px solid var(--border-color); */
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            position: relative;
            overflow: hidden;
        }

        .country-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-color);
            opacity: 0;
            transition: opacity 0.2s ease;
        }

        .country-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
        }

        .country-card:hover::before {
            opacity: 1;
        }

        .country-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .country-flag {
            width: 32px;
            height: auto;
            border-radius: 4px;
        }

        .country-name {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-color);
        }

        .rate-info {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin-top: 1rem;
        }

        .rate-item {
            text-align: center;
            padding: 0.75rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 0.5rem;
        }

        .rate-label {
            font-size: 0.875rem;
            color: var(--accent-color);
            margin-bottom: 0.5rem;
        }

        .rate-value {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-color);
        }

        .info-section {
            background: var(--card-background);
            border-radius: 1rem;
            padding: 2rem;
            margin-top: 4rem;
        }

        .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .info-card-earn {
            padding: 1.5rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 0.75rem;
            /* border: 1px solid var(--border-color); */
        }

        .info-card-earn h3 {
            color: var(--accent-color);
            font-size: 1.25rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .info-card-earn ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .info-card-earn li {
            padding: 0.5rem 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .info-card-earn li::before {
            content: '→';
            color: var(--accent-color);
        }

        .warning-card {
            background: rgba(220, 38, 38, 0.1);
            border-left: 4px solid var(--warning-color);
            padding: 1.5rem;
            border-radius: 0.5rem;
            margin-top: 2rem;
        }

        .warning-card p {
            color: #ef4444;
            margin: 0.5rem 0;
        }

        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }

            .hero-section h2 {
                font-size: 1.5rem;
            }

            .countries-grid {
                grid-template-columns: 1fr;
            }

            .info-grid {
                grid-template-columns: 1fr;
            }
        }