.topbar {
  position: relative;
  z-index: 50;
  overflow: visible;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-group {
  position: relative;
  flex: 0 0 auto;
}

.nav-group summary {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 11px;
  border: 1px solid transparent;
  border-radius: 9px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  list-style: none;
  white-space: nowrap;
  font-weight: 700;
  user-select: none;
  transition: color 0.15s, background-color 0.15s, border-color 0.15s;
}

.nav-group summary::-webkit-details-marker,
.nav-group summary::marker {
  display: none;
  content: "";
}

.nav-group summary::after {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  opacity: 0.7;
  transition: transform 0.18s, margin 0.18s, opacity 0.15s;
}

.nav-group summary:hover,
.nav-group summary:focus-visible,
.nav-group[open] summary,
.nav-group.current-group summary {
  color: var(--text);
  background: rgba(255,255,255,0.045);
  border-color: rgba(255,255,255,0.08);
}

.nav-group[open] summary::after {
  margin-top: 3px;
  transform: rotate(225deg);
  opacity: 1;
}

.nav-group summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.nav-menu {
  position: absolute;
  top: calc(100% + 10px);
  z-index: 60;
  display: grid;
  width: 292px;
  padding: 8px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(18,29,48,0.98), rgba(10,17,30,0.98));
  box-shadow:
    0 18px 50px rgba(0,0,0,0.46),
    0 0 0 1px rgba(255,255,255,0.03),
    inset 0 1px 0 rgba(255,255,255,0.05);
  backdrop-filter: blur(18px);
  transform-origin: top center;
  animation: nav-menu-in 0.16s ease-out;
}

.nav-menu::after {
  content: "";
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
  height: 12px;
}

.product-group .nav-menu {
  left: 0;
}

.support-group .nav-menu {
  right: 0;
}

.nav-menu-label {
  padding: 8px 12px 7px;
  color: #7d8ba3;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.topnav .nav-menu a {
  display: flex !important;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 2px;
  min-height: 52px;
  padding: 9px 12px;
  border-radius: 10px;
  color: #d5deee;
  font-size: 0.9rem;
  font-weight: 700;
  white-space: normal;
  line-height: 1.25;
  transition: color 0.15s, background-color 0.15s;
}

.topnav .nav-menu a::before,
.topnav .nav-menu a::after {
  content: none;
}

.nav-item-desc {
  color: #8090a8;
  font-size: 0.72rem;
  font-weight: 500;
}

.topnav .nav-menu a:hover,
.topnav .nav-menu a:focus-visible {
  color: var(--text);
  background: rgba(91,140,255,0.1);
}

.topnav .nav-menu a:hover .nav-item-desc,
.topnav .nav-menu a:focus-visible .nav-item-desc,
.topnav .nav-menu a[aria-current="page"] .nav-item-desc {
  color: #a9b8d0;
}

.topnav .nav-menu a[aria-current="page"] {
  color: var(--text);
  background: rgba(91,140,255,0.14);
  box-shadow: inset 2px 0 0 var(--blue);
}

.topnav > .nav-compare {
  display: inline-flex !important;
  align-items: center;
  min-height: 38px;
  padding: 0 11px;
  border-radius: 9px;
  color: var(--muted);
  font-weight: 700;
  white-space: nowrap;
  transition: color 0.15s, background-color 0.15s;
}

.topnav > .nav-compare:hover,
.topnav > .nav-compare[aria-current="page"] {
  color: var(--text);
  background: rgba(255,255,255,0.045);
}

.topnav > .nav-cta {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid rgba(91,140,255,0.22);
  border-radius: 9px;
  color: #d7e3ff !important;
  background: linear-gradient(135deg, rgba(91,140,255,0.26), rgba(53,112,251,0.16));
  font-weight: 750;
  white-space: nowrap;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.topnav > .nav-cta:hover {
  transform: translateY(-1px);
  border-color: rgba(91,140,255,0.4);
  box-shadow: 0 8px 22px rgba(53,112,251,0.18), inset 0 1px 0 rgba(255,255,255,0.08);
}

@keyframes nav-menu-in {
  from {
    opacity: 0;
    transform: translateY(-6px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-menu,
  .nav-group summary::after,
  .topnav > .nav-cta {
    animation: none;
    transition: none;
  }
}

@media (max-width: 700px) {
  .topbar {
    flex-wrap: wrap;
    row-gap: 8px;
    padding-bottom: 12px;
  }

  .topnav {
    width: 100%;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 4px !important;
    padding-top: 10px;
    border-top: 1px solid rgba(255,255,255,0.06);
    font-size: 0.78rem;
  }

  .nav-menu {
    width: min(292px, calc(100vw - 36px));
  }

  .support-group .nav-menu {
    right: 0;
    left: auto;
  }
}