.challenge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:22px}.challenge-card{background:#e6f3ff;border:2px solid #a8cfe9;border-radius:18px;overflow:hidden}.challenge-card>a{display:block;color:#123b60;text-decoration:none;height:100%}.challenge-card img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}.challenge-card>a>div{padding:16px}.challenge-card h3{font-size:19px;line-height:1.35;min-height:52px;margin:0 0 16px}.challenge-card:hover{border-color:#56a7df;box-shadow:0 5px 18px #174e7422}.challenge-card .action{font-size:13px;padding:9px 12px}@media(max-width:900px){.challenge-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:550px){.challenge-grid{grid-template-columns:1fr}.challenge-card h3{min-height:0}}