/* Tablet (≤ 900px) */
@media (max-width: 900px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }

    .content-card {
        padding: 1.25rem;
    }

    .card-header h3 {
        font-size: 1.1rem;
    }

    .card-icon {
        font-size: 1.4rem;
    }

    .content-wrapper {
        padding: 1.25rem;
    }
}

/* Mobile (≤ 600px) */
@media (max-width: 600px) {
    .card-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .content-card {
        padding: 1rem;
    }

    .card-header {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .card-header h3 {
        font-size: 1rem;
        margin: 0;
    }

    .card-icon {
        font-size: 1.3rem;
    }

    header {
        height: 55px;
        padding: 0 1rem;
    }

    body {
        padding-top: 55px;
    }

    footer {
        padding: 1rem;
        font-size: 0.9rem;
    }
}

/* Ultra‑narrow screens (≤ 400px) */
@media (max-width: 400px) {
    .content-card {
        padding: 0.85rem;
    }

    .card-header h3 {
        font-size: 0.95rem;
    }

    .card-icon {
        font-size: 1.2rem;
    }
}