/**
 * Shared navigation polish and accessible mobile-menu states.
 * Theme-specific colors remain inherited from the active landing theme.
 */
.qm-site-nav {
  isolation: isolate;
}

.qm-site-nav.is-scrolled {
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.09);
}

.qm-nav-inner {
  gap: 18px;
}

.qm-nav-brand {
  min-width: 0;
  max-width: min(220px, 42vw);
  flex: 0 1 auto;
  color: inherit;
  text-decoration: none;
}

.qm-nav-brand img {
  display: block;
  max-width: 190px;
  object-fit: contain;
}

.qm-nav-brand:focus-visible,
.qm-nav-link:focus-visible,
.qm-menu-toggle:focus-visible,
.qm-menu-close:focus-visible,
.qm-mobile-link:focus-visible,
.qm-mobile-cta:focus-visible {
  outline: 3px solid color-mix(in srgb, currentColor 28%, transparent);
  outline-offset: 3px;
}

.qm-nav-desktop {
  min-width: 0;
  justify-content: center;
}

.qm-nav-link {
  position: relative;
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  white-space: nowrap;
  text-decoration: none;
}

.qm-nav-link::after {
  position: absolute;
  right: 14px;
  bottom: 4px;
  left: 14px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  content: "";
  opacity: 0;
  transform: scaleX(0.35);
  transition: opacity 160ms ease, transform 160ms ease;
}

.qm-nav-link:hover::after,
.qm-nav-link.is-active::after {
  opacity: 0.42;
  transform: scaleX(1);
}

.qm-nav-actions {
  flex: 0 0 auto;
}

.qm-nav-cta {
  white-space: nowrap;
}

.qm-menu-toggle,
.qm-menu-close,
.qm-menu-backdrop {
  margin: 0;
  border: 0;
  font: inherit;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.qm-menu-toggle {
  position: relative;
  width: 44px;
  height: 44px;
  padding: 0 !important;
  flex: 0 0 44px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: transparent;
  color: var(--text-primary, var(--text, var(--gray-900, #111827)));
  transition: background-color 160ms ease, transform 160ms ease;
}

.qm-menu-toggle:hover {
  background: rgba(127, 127, 127, 0.1);
}

.qm-menu-bars {
  position: relative;
  display: block;
  width: 22px;
  height: 16px;
}

.qm-menu-bars > span {
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: top 180ms ease, transform 180ms ease, opacity 140ms ease;
}

.qm-menu-bars > span:nth-child(1) { top: 0; }
.qm-menu-bars > span:nth-child(2) { top: 7px; }
.qm-menu-bars > span:nth-child(3) { top: 14px; }

.qm-menu-toggle.is-open .qm-menu-bars > span:nth-child(1) {
  top: 7px;
  transform: rotate(45deg);
}

.qm-menu-toggle.is-open .qm-menu-bars > span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0.2);
}

.qm-menu-toggle.is-open .qm-menu-bars > span:nth-child(3) {
  top: 7px;
  transform: rotate(-45deg);
}

.qm-mobile-menu {
  overscroll-behavior: contain;
}

.qm-mobile-dropdown {
  max-height: 0;
  overflow: hidden;
  border-top: 1px solid transparent;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: max-height 280ms cubic-bezier(.2,.8,.2,1), opacity 180ms ease,
    transform 220ms ease, visibility 0s linear 280ms;
}

.qm-mobile-dropdown.is-open,
.qm-mobile-dropdown.show {
  max-height: min(72vh, 640px);
  border-top-color: var(--border, var(--gray-100, rgba(127,127,127,.18)));
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition-delay: 0s;
}

.qm-mobile-menu__inner {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: 10px 24px 24px;
}

.qm-mobile-link {
  display: flex;
  min-height: 48px;
  padding: 10px 4px;
  align-items: center;
  border-bottom: 1px solid var(--border, var(--gray-100, rgba(127,127,127,.16)));
  color: var(--text-primary, var(--text, var(--gray-900, #111827)));
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.35;
  text-decoration: none;
  transition: color 150ms ease, padding-left 150ms ease, background-color 150ms ease;
}

.qm-mobile-link:hover,
.qm-mobile-link.is-active {
  padding-left: 10px;
  color: var(--accent, var(--purple, var(--secondary, currentColor)));
}

.qm-mobile-cta {
  display: flex !important;
  width: 100% !important;
  min-height: 48px;
  margin-top: 16px !important;
  align-items: center;
  justify-content: center !important;
  text-align: center;
  text-decoration: none;
}

.qm-menu-backdrop {
  display: block;
  appearance: none;
}

.qm-menu-backdrop.is-open,
.qm-menu-backdrop.show {
  opacity: 1 !important;
  pointer-events: auto !important;
}

.qm-mobile-drawer.is-open,
.qm-mobile-drawer.show {
  transform: translateX(0) !important;
}

.qm-mobile-drawer__head {
  min-height: 74px;
}

.qm-mobile-drawer__body {
  flex: 1 1 auto;
  overflow-y: auto;
}

.qm-menu-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

body.qm-menu-open {
  overflow: hidden !important;
  touch-action: none;
}

.qm-theme-2 .qm-menu-toggle,
.qm-theme-3 .qm-menu-toggle {
  color: var(--text-primary, #fff);
}

.qm-theme-2 .qm-mobile-dropdown,
.qm-theme-3 .qm-mobile-dropdown {
  background: var(--bg-elevated, var(--bg, #0b0e16));
}

.qm-theme-1 .qm-mobile-dropdown,
.qm-theme-4 .qm-mobile-dropdown,
.qm-theme-5 .qm-mobile-dropdown {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
}

@media (max-width: 1023px) {
  .qm-nav-inner {
    gap: 12px;
  }

  .qm-menu-toggle {
    display: inline-flex;
  }
}

@media (min-width: 1024px) {
  .qm-mobile-dropdown,
  .qm-mobile-drawer,
  .qm-menu-backdrop {
    display: none !important;
  }
}

@media (max-width: 420px) {
  .qm-nav-brand {
    max-width: 58vw;
  }

  .qm-nav-brand img {
    max-width: 150px;
  }

  .qm-mobile-menu__inner {
    padding-right: 18px;
    padding-left: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .qm-site-nav *,
  .qm-site-nav *::before,
  .qm-site-nav *::after,
  .qm-mobile-menu,
  .qm-menu-backdrop {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}