@media (max-width: 992px) {
    .progress-card {
        flex-direction: column;
        gap: 20px;
    }

    .stats-section {
        border-left: none;
        border-top: 1px solid #f0f0f0;
        padding-left: 0;
        padding-top: 40px;
        flex-direction: row;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .stat-item {
        flex: 1 1 30%;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .header-container {
        flex-direction: column;
        gap: 15px;
    }

    .nav ul {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav a {
        font-size: 0.7rem;
    }

    .stat-item {
        flex: 1 1 100%;
        margin-bottom: 20px;
    }
}

@media (max-width: 480px) {
    .hero {
        height: auto;
        padding: 80px 0;
    }

    .progress-card {
        padding: 20px;
    }

    .y-axis, .x-axis {
        font-size: 0.6rem;
    }
}