.header { z-index: 100; }
.miruar-nav { position: relative; min-width: 0; }
.miruar-nav--desktop { flex: 1; margin-left: clamp(18px, 1.6vw, 28px); }
@media (min-width: 1200px) {
  .miruar-nav--desktop {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    flex: none;
    margin-left: 0;
  }
}
.header .miruar-nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(10px, 1.6vw, 26px);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: clamp(11px, .8vw, 14px);
}
.miruar-nav-item { position: relative; list-style: none; }
.miruar-nav-item__top { display: flex; align-items: center; gap: 5px; }
.miruar-nav-toggle {
  display: inline-flex;
  width: 20px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border: 0;
  background: transparent;
  color: #edf2f6;
  cursor: pointer;
}
.miruar-nav-toggle span,
.miruar-nav-group summary span {
  display: block;
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform .15s ease;
}
.miruar-nav-toggle[aria-expanded="true"] span,
.miruar-nav-group[open] summary span { transform: rotate(225deg); }
.miruar-nav-toggle:focus-visible,
.miruar-nav-group summary:focus-visible { outline: 2px solid #37d696; outline-offset: 3px; }
.miruar-nav-panel {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 300;
  width: min(340px, calc(100vw - 40px));
  max-height: min(75vh, 650px);
  overflow: auto;
  padding: 12px;
  border: 1px solid #3a6769;
  border-radius: 12px;
  background: #172d30;
  box-shadow: 0 20px 40px rgba(0, 0, 0, .3);
}
.miruar-nav-item--instruments .miruar-nav-panel {
  left: 50%;
  transform: translateX(-50%);
  width: min(400px, calc(100vw - 40px));
  padding: 8px 0;
}
.miruar-nav-item--has-panel:hover > .miruar-nav-panel,
.miruar-nav-item--has-panel:focus-within > .miruar-nav-panel,
.miruar-nav-item--has-panel.is-open > .miruar-nav-panel { display: block; }
.header .miruar-nav-service-list,
.header .miruar-nav-group ul,
.modal-menu .miruar-nav-service-list,
.modal-menu .miruar-nav-group ul {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 1.4;
  text-transform: none;
}
.miruar-nav-service-list a,
.miruar-nav-group ul a,
.miruar-nav-group__index,
.miruar-nav-panel__intro a {
  display: block;
  padding: 10px 8px;
  color: #edf2f6;
  text-decoration: none;
}
.miruar-nav-service-list a:hover,
.miruar-nav-group ul a:hover,
.miruar-nav-group__index:hover,
.miruar-nav-panel__intro a:hover {
  color: #37d696;
  background: #213c3d;
}
.miruar-nav-panel__intro {
  margin: 0 12px;
  border-bottom: 1px solid #39595a;
}
.miruar-nav-panel__intro a { padding: 12px 8px; color: #37d696; font-size: 13px; font-weight: 700; }
.miruar-nav-groups { display: block; }
.miruar-nav-group { border-bottom: 1px solid #39595a; }
.miruar-nav-group:last-child { border-bottom: 0; }
.miruar-nav-group summary {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 20px;
  color: #edf2f6;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
  list-style: none;
  text-transform: none;
}
.miruar-nav-group summary::-webkit-details-marker { display: none; }
.miruar-nav-group summary:hover,
.miruar-nav-group[open] summary { color: #37d696; background: #213c3d; }
.miruar-nav-group__index { margin-left: 22px; padding: 9px 12px; color: #37d696; font-size: 13px; }
.miruar-nav-group ul { padding: 0 12px 9px 32px !important; }
.miruar-nav-group ul a { padding: 8px 10px; border-radius: 6px; }

@media (max-width: 680px) {
  .header .miruar-nav--desktop { display: none; }
  .modal-menu .modal-menu-inner { max-height: 100dvh; overflow-y: auto; }
  .modal-menu .miruar-nav-list {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 28px 20px 0;
    font-size: 15px;
    text-align: left;
  }
  .modal-menu .miruar-nav-item { border-bottom: 1px solid #39595a; }
  .modal-menu .miruar-nav-item > a,
  .modal-menu .miruar-nav-item__top > a { display: block; padding: 13px 0; }
  .modal-menu .miruar-nav-item__top { justify-content: space-between; }
  .modal-menu .miruar-nav-toggle { width: 42px; height: 42px; }
  .modal-menu .miruar-nav-panel,
  .modal-menu .miruar-nav-item--has-panel:hover > .miruar-nav-panel,
  .modal-menu .miruar-nav-item--has-panel:focus-within > .miruar-nav-panel {
    display: none;
    position: static;
    transform: none;
    width: 100%;
    max-height: none;
    overflow: visible;
    margin: 0 0 12px;
    padding: 8px 0;
    border-radius: 8px;
    box-shadow: none;
  }
  .modal-menu .miruar-nav-item--has-panel.is-open > .miruar-nav-panel { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  .miruar-nav-toggle span,
  .miruar-nav-group summary span { transition: none; }
}