.hub-home-grid { grid-template-columns: 1fr; }
.hub-home-grid .tool-card { padding: 1.5rem; }
.hub-home-contact { text-align: center; margin: 1.5rem 0; }
@media (min-width: 640px) { .hub-home-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }