.signal-categories-grid{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin-bottom:3rem}.category-card{padding:2rem 1.5rem;position:relative;text-align:center;transition:all .3s ease}.category-card:hover{box-shadow:0 8px 24px rgba(0,145,218,.15);transform:translateY(-5px)}.category-icon{display:block;font-size:3rem;margin-bottom:1rem}.category-count{display:block;font-size:3.5rem;font-weight:700;line-height:1;margin-bottom:.5rem}.category-label{display:block;font-size:.85rem;letter-spacing:1px}.category-label,.category-name{font-weight:600;margin-bottom:1rem}.category-name{align-items:center;display:flex;font-size:1.2rem;justify-content:center;min-height:2.4rem}.category-description{font-size:.95rem;line-height:1.6;margin:0;text-align:center}@media (max-width:768px){.signal-categories-grid{gap:1rem;grid-template-columns:repeat(2,1fr)!important}.category-card{padding:1rem!important}.category-description{font-size:.85rem}.signal-categories-grid{gap:1.5rem;grid-template-columns:1fr}.category-count{font-size:4.5rem}}