.section-heading .badge {
    font-size: 0.85rem;
    padding: 0.4rem 1rem;
}

.covid-card {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.covid-card-inner {
    border-radius: 18px;
    padding: 1.75rem;
    background: #fff;
    border: 1px solid #f1f5f9;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
    height: 100%;
}

.covid-card-inner:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.12);
}

.covid-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.covid-icon.bg-teal {
    background: linear-gradient(135deg, #17c4c4, #0891b2);
}

.covid-card-inner h4 {
    font-size: 1.15rem;
    margin-bottom: 0.15rem;
    font-weight: 700;
}

.covid-card-inner p {
    margin-bottom: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.covid-arrow {
    margin-left: auto;
    color: var(--primary-color);
    font-size: 1.25rem;
    transition: transform 0.3s ease;
}

.covid-card-inner:hover .covid-arrow {
    transform: translateX(5px);
}

.covid-stat {
    background: #f8fafc;
    border-radius: 12px;
    padding: 1rem 1.5rem;
    border: 1px solid #e2e8f0;
}

.covid-stat-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.covid-stat strong {
    display: block;
    color: var(--text-primary);
    margin-top: 0.5rem;
}

.covid-illustration img {
    max-width: 90%;
    display: block;
    margin: 0 auto;
}

.transmission-card,
.symptom-card {
    background: #fff;
    border-radius: 14px;
    padding: 1.5rem;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
    border: 1px solid #f1f5f9;
}

.transmission-card img,
.symptom-card img {
    max-height: 120px;
    object-fit: contain;
}

.prevention-list li {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.prevention-list li:last-child {
    margin-bottom: 0;
}

.modal .modal-content {
    border-radius: 18px;
    border: none;
    box-shadow: var(--shadow-lg);
}

.modal .modal-header {
    border: none;
    padding-bottom: 0;
}

.modal .modal-body {
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .covid-card-inner {
        flex-direction: column;
        text-align: center;
    }

    .covid-arrow {
        margin-left: 0;
    }

    .covid-stat {
        width: 100%;
    }
}