.hub-section {
    padding: var(--spacing-xl) 0;
}

.hub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    justify-content: center;
}

.hub-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.hub-card:hover {
    transform: translateY(-5px);
}