@media (max-width: 480px) { .materials-container { padding: 1.5rem 1rem; border-radius: 16px; } .section-title { font-size: 2rem; } .material-icon-wrapper { width: 50px; height: 50px; } .material-icon-wrapper i { font-size: 1.25rem; } .material-info h4 { font-size: 1rem; } .download-button { padding: 0.625rem 1rem; font-size: 0.875rem; } .empty-state i { font-size: 4rem; } .live-class-section h3 { font-size: 1.5rem; } .live-class-section p { font-size: 1rem; } } Material de Estudio - ACDDHH