.challenges-section{width:100%;max-width:1400px;padding:0 1.5rem 4rem}.challenges-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem}@media (max-width:768px){.challenges-grid{grid-template-columns:1fr}}@media (min-width:769px) and (max-width:1024px){.challenges-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1025px){.challenges-grid{grid-template-columns:repeat(3,1fr)}}.challenge-requirements::-webkit-scrollbar{width:6px}.challenge-requirements::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:10px}.challenge-requirements::-webkit-scrollbar-thumb{background:rgba(234,179,8,.5);border-radius:10px}.challenge-requirements::-webkit-scrollbar-thumb:hover{background:rgba(234,179,8,.7)}