/* -------------------------
   MEDIA QUERIES GENERALES
   ------------------------- */
@media (max-width: 900px) {
  .top-right-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 50px;
    left: 0;
    width: 100%;
    background: var(--usb-black);
    max-height: 0;
    height: auto;
    overflow: hidden;
    transition: max-height 0.4s ease-in-out;
    z-index: 90;
  }
  .nav-links.active {
    max-height: calc(100vh - 50px);
    height: auto;
    overflow-y: auto;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--usb-yellow);
  }
  .nav-item {
    width: 100%;
    max-height: 2000px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: block;
  }
  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 15px;
    height: 50px;
  }
  .mega-menu {
    position: static;
    width: 100%;
    max-width: 100%;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border-top: none;
    border-radius: 0;
    margin-top: 0;
    background: #222;
    padding: 0 20px 20px;
    grid-template-columns: 1fr;
    gap: 20px;
    display: none;
  }
  .nav-item:hover .mega-menu {
    display: none;
  }
  .nav-item .mega-menu.active {
    display: grid;
  }
  .mm-column h4 {
    color: var(--usb-yellow);
    margin-bottom: 10px;
    font-size: 16px;
  }
  .mm-links a {
    color: #ccc;
  }
  .nav-actions {
    display: none;
  }
}