.site-header {
  position: relative;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(18px, 3vw, 42px);
  min-height: 62px;
  padding: 14px clamp(20px, 4vw, 58px) 10px;
  background: #f8f7f2;
  box-shadow: inset 0 -1px 0 rgba(6, 19, 31, 0.08);
}

.site-header .brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 7px;
  font-weight: 840;
  outline-offset: 6px;
}

.site-header .brand:focus-visible {
  outline: 1px solid var(--signal, #0b63ce);
}

.site-header .brand-lockup {
  display: block;
  width: 168px;
  height: auto;
  object-fit: contain;
}

.site-header .nav {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  font-family: var(--font-mono, "SF Mono", Menlo, Consolas, monospace);
  font-size: 11px;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header .nav-group {
  position: relative;
  display: inline-flex;
}

.site-header .nav-trigger,
.site-header .nav a {
  min-height: 30px;
  border: 1px solid transparent;
  color: var(--ink, #06131f);
  background: transparent;
  font: inherit;
  letter-spacing: inherit;
  text-decoration: none;
  text-transform: inherit;
}

.site-header .nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 9px;
  cursor: pointer;
}

.site-header .nav-trigger::after {
  width: 5px;
  height: 5px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  content: "";
  transform: translateY(-2px) rotate(45deg);
}

.site-header .nav-group:hover .nav-trigger,
.site-header .nav-group:focus-within .nav-trigger,
.site-header .nav-group.is-open .nav-trigger,
.site-header .nav-direct:hover,
.site-header .nav-direct:focus-visible {
  border-color: rgba(6, 19, 31, 0.28);
  color: var(--signal, #0b63ce);
  outline: none;
}

.site-header .nav-menu {
  position: absolute;
  z-index: 30;
  top: 100%;
  right: 0;
  display: grid;
  min-width: 184px;
  padding: 7px;
  border: 1px solid var(--ink, #06131f);
  background: var(--paper, #fff);
  box-shadow: 0 18px 34px rgba(6, 19, 31, 0.12);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.site-header .nav-group:hover .nav-menu,
.site-header .nav-group:focus-within .nav-menu,
.site-header .nav-group.is-open .nav-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.site-header .nav-menu a,
.site-header .nav-direct {
  display: inline-flex;
  align-items: center;
  padding: 6px 9px;
  border-bottom: 0;
}

.site-header .nav-menu a {
  justify-content: space-between;
  white-space: nowrap;
}

.site-header .nav a:hover,
.site-header .nav a:focus-visible,
.site-header .nav a.is-current {
  color: var(--signal, #0b63ce);
  outline: none;
}

.site-header .nav a.is-current {
  box-shadow: inset 0 -1px 0 currentColor;
}

.site-header .translate-slot {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  line-height: 1;
}

.site-header .translate-slot select {
  width: 88px;
  height: 28px;
  margin: 0;
  padding: 0 24px 0 8px;
  border: 1px solid rgba(6, 19, 31, 0.2);
  border-radius: 8px;
  appearance: none;
  background-color: rgba(255, 255, 255, 0.58);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='6' height='4' viewBox='0 0 6 4'%3E%3Cpath d='M0 0h6L3 4z' fill='%2306131f'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 9px center;
  color: var(--ink, #06131f);
  font-family: var(--font-sans, Helvetica, Arial, sans-serif);
  font-size: 12px;
  font-weight: 780;
  letter-spacing: 0;
  line-height: 26px;
  cursor: pointer;
  outline: none;
}

.site-header .translate-slot select:hover,
.site-header .translate-slot select:focus-visible {
  color: var(--signal, #0b63ce);
  border-color: rgba(11, 99, 206, 0.58);
  background-color: var(--paper, #fff);
}

.site-header .translate-slot option {
  color: var(--ink, #06131f);
  background: var(--paper, #fff);
  font-size: 12px;
  text-transform: none;
}

@media (max-width: 620px) {
  .site-header {
    min-height: auto;
    align-items: flex-start;
    flex-wrap: wrap;
    padding: 16px 20px 10px;
    gap: 10px 18px;
  }

  .site-header .brand-lockup {
    width: 152px;
  }

  .site-header .nav {
    width: 100%;
    justify-content: flex-start;
    gap: 8px;
    overflow: visible;
    padding-bottom: 4px;
    font-size: 11px;
    white-space: normal;
  }

  .site-header .nav-group {
    position: static;
  }

  .site-header .nav-menu {
    display: none;
    top: calc(100% + 8px);
    right: auto;
    left: 0;
    width: min(100%, calc(100vw - 40px));
    min-width: 0;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    transition: none;
  }

  .site-header .nav-group:hover .nav-menu,
  .site-header .nav-group:focus-within .nav-menu {
    display: none;
  }

  .site-header .nav-group.is-open .nav-menu {
    display: grid;
  }

  .site-header .nav-direct,
  .site-header .translate-slot {
    align-self: start;
  }

  .site-header .translate-slot select {
    width: 84px;
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header .nav-menu {
    transition: none;
  }
}