.mds-menu-shell {
  position: relative;
}

.mds-menu-shell,
.mds-menu-shell * {
  box-sizing: border-box;
}

body.mds-menu-open {
  overflow: hidden;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: calc(var(--mds-space-1) * -0.125);
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mds-menu-backdrop {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, var(--mds-bg) 70%, transparent 30%);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  z-index: 10;
}

body.mds-menu-open .mds-menu-backdrop {
  opacity: 1;
  pointer-events: auto;
}

.mds-header-wrap {
  position: relative;
  z-index: 40;
  display: grid;
  min-width: 0;
}

.mds-header {
  position: sticky;
  top: 0;
  z-index: 120;
  isolation: isolate;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  grid-template-areas: "brand nav controls toggle";
  align-items: center;
  gap: var(--mds-space-2);
  padding: var(--mds-space-2) var(--mds-space-3);
  border: 1px solid var(--mds-border);
  border-radius: 9999px;
  background: var(--mds-bg-panel);
  backdrop-filter: blur(18px);
  overflow: visible;
}

.mds-header > * {
  min-width: 0;
}

.mds-brand {
  grid-area: brand;
  display: inline-flex;
  align-items: center;
  width: clamp(164px, 26vw, 240px);
  height: 42px;
}

.mds-brand img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: contain;
}

.mds-menu {
  grid-area: nav;
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.mds-controls {
  display: flex;
  align-items: center;
  gap: var(--mds-space-1);
}

.mds-controls--desktop {
  grid-area: controls;
}

.mds-controls--mobile {
  display: none;
}

.mds-locale-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--mds-space-1);
  padding: var(--mds-space-1);
  border-radius: 9999px;
  border: 1px solid var(--mds-border);
  background: var(--mds-surface-strong);
}

.mds-locale-switch a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  padding: var(--mds-space-1) var(--mds-space-2);
  border-radius: 9999px;
  font-size: var(--mds-text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--mds-muted);
  text-decoration: none;
}

.mds-locale-switch a:hover {
  background: var(--mds-accent-soft);
  color: var(--mds-text);
}

.mds-locale-switch a:focus-visible {
  background: var(--mds-accent-soft);
  color: var(--mds-text);
  outline: 2px solid var(--mds-accent);
  outline-offset: 2px;
}

.mds-locale-switch a.is-active,
.mds-locale-switch a.is-active:hover,
.mds-locale-switch a.is-active:focus-visible {
  background: var(--mds-button-bg);
  color: var(--mds-button-text);
  -webkit-text-fill-color: var(--mds-button-text);
}

.mds-nav {
  display: inline-flex;
  align-items: center;
  gap: var(--mds-space-1);
  padding: var(--mds-space-1);
  border-radius: 9999px;
  border: 1px solid var(--mds-border);
  background: var(--mds-surface-strong);
}

.mds-nav a {
  padding: var(--mds-space-2);
  border-radius: 9999px;
  font-size: var(--mds-text-sm);
  font-weight: 600;
  color: var(--mds-muted);
  text-decoration: none;
  white-space: nowrap;
}

.mds-nav a:hover,
.mds-nav a.is-active {
  background: var(--mds-accent-soft);
  color: var(--mds-text);
}

.mds-nav a:focus-visible {
  background: var(--mds-accent-soft);
  color: var(--mds-text);
  outline: 2px solid var(--mds-accent);
  outline-offset: 2px;
}

.mds-nav a.mds-nav__cta {
  background: var(--mds-button-bg);
  color: var(--mds-button-text) !important;
  -webkit-text-fill-color: var(--mds-button-text);
  white-space: nowrap;
}

.mds-nav a.mds-nav__cta:hover,
.mds-nav a.mds-nav__cta:focus-visible {
  background: color-mix(in srgb, var(--mds-accent) 90%, var(--mds-text) 10%);
  color: var(--mds-button-text) !important;
  -webkit-text-fill-color: var(--mds-button-text);
}

.mds-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--mds-space-1);
  padding: var(--mds-space-1) var(--mds-space-2);
  min-width: 122px;
  border-radius: 9999px;
  border: 1px solid var(--mds-border);
  background: var(--mds-surface-strong);
  color: var(--mds-text);
  cursor: pointer;
}

.mds-theme-toggle:hover,
.mds-menu-toggle:hover {
  border-color: var(--mds-border-strong);
}

.mds-theme-toggle:focus-visible,
.mds-menu-toggle:focus-visible {
  outline: 2px solid var(--mds-accent);
  outline-offset: 2px;
  border-color: var(--mds-border-strong);
}

.mds-theme-toggle__track {
  width: 42px;
  height: 24px;
  border-radius: 9999px;
  background: var(--mds-track);
  padding: calc(var(--mds-space-1) / 4);
  display: inline-flex;
  align-items: center;
}

.mds-theme-toggle__thumb {
  width: 20px;
  height: 20px;
  border-radius: 9999px;
  background: var(--mds-accent);
  transform: translateX(0);
}

:root[data-theme="light"] .mds-theme-toggle__thumb {
  transform: translateX(18px);
}

.mds-theme-toggle__label {
  font-size: var(--mds-text-sm);
  font-weight: 700;
  white-space: nowrap;
  min-width: 4.8rem;
  text-align: left;
}

.mds-menu-toggle {
  grid-area: toggle;
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--mds-space-1);
  width: 48px;
  height: 48px;
  padding: 0;
  aspect-ratio: 1 / 1;
  border-radius: 9999px;
  border: 1px solid var(--mds-border);
  background: var(--mds-surface-strong);
  color: var(--mds-text);
  line-height: 0;
  touch-action: manipulation;
  cursor: pointer;
  flex-shrink: 0;
}

.mds-menu-icon,
.mds-menu-icon::before,
.mds-menu-icon::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 9999px;
  background: currentColor;
}

.mds-menu-icon {
  position: relative;
}

.mds-menu-icon::before,
.mds-menu-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.mds-menu-icon::before {
  top: -6px;
}

.mds-menu-icon::after {
  top: 6px;
}

.mds-header.is-open .mds-menu-icon {
  background: transparent;
}

.mds-header.is-open .mds-menu-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.mds-header.is-open .mds-menu-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 1100px) {
  .mds-header {
    top: 0;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas: "brand toggle";
    border-radius: var(--mds-radius-lg);
  }

  .mds-header.is-open {
    background: color-mix(in srgb, var(--mds-bg) 90%, transparent 10%);
  }

  .mds-menu {
    position: absolute;
    top: calc(100% + var(--mds-space-1));
    left: 0;
    right: 0;
    justify-content: stretch;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 6;
  }

  .mds-header.is-open .mds-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .mds-nav {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: var(--mds-space-1);
    padding: var(--mds-space-1);
    max-height: min(420px, calc(100dvh - 92px));
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--mds-radius-lg);
    background: color-mix(in srgb, var(--mds-bg-soft) 92%, transparent 8%);
  }

  .mds-nav a {
    padding: var(--mds-space-2);
    text-align: left;
    border: 1px solid var(--mds-border);
    background: color-mix(in srgb, var(--mds-bg-soft) 80%, transparent 20%);
  }

  .mds-controls--desktop {
    display: none;
  }

  .mds-controls--mobile {
    display: grid;
    grid-template-columns: 1fr;
    align-items: stretch;
    gap: var(--mds-space-1);
    padding-top: var(--mds-space-1);
    border-top: 1px solid var(--mds-border);
  }

  .mds-controls--mobile .mds-locale-switch {
    width: 100%;
    justify-content: flex-start;
    gap: var(--mds-space-1);
    padding: var(--mds-space-1);
  }

  .mds-controls--mobile .mds-locale-switch a {
    flex: 1 1 0;
    min-width: 0;
    padding: var(--mds-space-1) var(--mds-space-2);
    font-size: var(--mds-text-xs);
    letter-spacing: 0.1em;
    white-space: nowrap;
  }

  .mds-controls--mobile .mds-theme-toggle {
    width: 100%;
    min-width: 0;
    padding: var(--mds-space-1) var(--mds-space-2);
    gap: var(--mds-space-1);
    justify-content: space-between;
  }

  .mds-controls--mobile .mds-theme-toggle__label {
    display: inline;
    min-width: 0;
    font-size: var(--mds-text-xs);
    text-align: right;
  }

  .mds-menu-toggle {
    display: inline-flex;
    justify-self: end;
  }
}

@media (max-width: 768px) {
  .mds-header {
    top: 0;
    padding: var(--mds-space-1) var(--mds-space-2);
    gap: var(--mds-space-1);
  }

  .mds-brand {
    width: clamp(124px, 36vw, 156px);
    height: 26px;
  }

  .mds-controls--mobile .mds-theme-toggle__label {
    font-size: var(--mds-text-xs);
  }

  .mds-menu-toggle {
    width: 42px;
    height: 42px;
  }

  .mds-nav {
    padding: var(--mds-space-1);
    border-radius: var(--mds-radius-md);
  }

  .mds-nav a {
    padding: var(--mds-space-1) var(--mds-space-2);
    font-size: var(--mds-text-sm);
  }

  .mds-controls--mobile .mds-theme-toggle {
    padding: var(--mds-space-1) var(--mds-space-2);
  }
}

@media (max-width: 420px) {
.mds-header {
    padding: var(--mds-space-2);
    gap: var(--mds-space-1);
  }

  .mds-brand {
    width: clamp(104px, 34vw, 126px);
  }

  .mds-menu-toggle {
    width: 40px;
    height: 40px;
    padding: 0;
  }

  .mds-controls--mobile .mds-locale-switch a {
    padding: var(--mds-space-1);
    font-size: var(--mds-text-xs);
  }

  .mds-controls--mobile .mds-theme-toggle {
    min-width: 110px;
    padding: var(--mds-space-1);
  }

  .mds-controls--mobile .mds-theme-toggle__label {
    font-size: var(--mds-text-xs);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .mds-menu-backdrop {
    transition: opacity 220ms ease;
  }

  .mds-locale-switch a,
  .mds-nav a,
  .mds-theme-toggle {
    transition:
      background 220ms ease,
      border-color 220ms ease,
      color 220ms ease,
      transform 220ms ease;
  }

  .mds-menu,
  .mds-theme-toggle__thumb,
  .mds-menu-icon,
  .mds-menu-icon::before,
  .mds-menu-icon::after {
    transition:
      opacity 220ms ease,
      transform 220ms ease,
      visibility 0s linear 220ms;
  }

  .mds-theme-toggle:hover {
    transform: translateY(-2px);
  }

  @media (max-width: 1100px) {
    .mds-menu {
      transform: translateY(calc(var(--mds-space-1) * -1));
    }

    .mds-header.is-open .mds-menu {
      transform: translateY(0);
      transition-delay: 0s;
    }
  }
}