/* Responsive primary navigation accordion */
.nav-accordion {
  margin-left: auto;
}

.nav-accordion > summary {
  display: none;
  list-style: none;
}

.nav-accordion > summary::-webkit-details-marker {
  display: none;
}

.nav-accordion > .nav {
  display: flex;
}

@media (max-width: 860px) {
  .topbar {
    position: relative;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    gap: 12px !important;
  }

  .nav-accordion {
    position: relative;
    flex: 0 0 auto;
    width: 48px;
    margin-left: auto;
  }

  .nav-accordion > summary {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    min-height: 48px;
    padding: 0;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 14px;
    box-shadow: 0 12px 26px rgba(2, 6, 23, 0.18);
    backdrop-filter: blur(12px);
    cursor: pointer;
    user-select: none;
  }

  .nav-accordion > summary:hover,
  .nav-accordion > summary:focus-visible {
    background: rgba(37, 99, 235, 0.96);
    border-color: rgba(191, 219, 254, 0.75);
    outline: none;
  }

  .nav-menu-label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .nav-menu-icon {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 22px;
    height: 22px;
  }

  .nav-menu-icon span {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    transform-origin: center;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .nav-accordion[open] .nav-menu-icon span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .nav-accordion[open] .nav-menu-icon span:nth-child(2) {
    opacity: 0;
  }

  .nav-accordion[open] .nav-menu-icon span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .nav-accordion:not([open]) > .nav {
    display: none !important;
  }

  .nav-accordion[open] > .nav {
    display: flex !important;
  }

  .nav-accordion > .nav {
    position: absolute;
    z-index: 1000;
    top: calc(100% + 10px);
    right: 0;
    width: min(300px, calc(100vw - 32px));
    margin: 0;
    padding: 10px;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 8px;
    background: rgba(15, 23, 42, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 16px;
    box-shadow: 0 18px 40px rgba(2, 6, 23, 0.34);
    backdrop-filter: blur(16px);
  }

  .nav-accordion > .nav a {
    display: block;
    width: 100%;
    padding: 12px 14px !important;
    border-radius: 11px !important;
    text-align: left;
    font-size: 14px !important;
    box-shadow: none !important;
  }
}

@media (min-width: 861px) {
  /* Keep the desktop navigation visible even when the details element is closed. */
  .nav-accordion,
  .nav-accordion:not([open]) {
    display: block;
  }

  .nav-accordion > summary {
    display: none !important;
  }

  .nav-accordion > .nav,
  .nav-accordion:not([open]) > .nav {
    display: flex !important;
    visibility: visible !important;
  }
}