 }

        .stat-card {
            text-align: center;
            padding: 20px;
            background: #f7fafc;
            border-radius: 12px;
        }

        .stat-value {
            font-size: 2rem;
            font-weight: bold;
            color: #667eea;
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: #4a5568;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .delta-features {
        