.site-header {
  position: sticky;
  z-index: 800;
  top: 0;
  min-height: 4.75rem;
  border-bottom: 1px solid var(--color-border);
  background: rgb(245 243 239 / 96%);
  box-shadow: 0 0.375rem 1.125rem rgb(45 51 45 / 4%);
  backdrop-filter: blur(12px);
}

.site-header__inner {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  gap: var(--space-5);
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  flex: 0 1 auto;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-forest);
  text-decoration: none;
}

.site-header__logo {
  width: 2.875rem;
  height: 2.875rem;
  flex: 0 0 auto;
  object-fit: contain;
}

.site-header__brand-text {
  overflow: hidden;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-header__toggle {
  display: none;
  width: 2.75rem;
  min-width: 2.75rem;
  height: 2.75rem;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-forest);
}

.site-header__toggle-lines {
  display: grid;
  width: 1.125rem;
  margin: auto;
  gap: 0.25rem;
}

.site-header__toggle-lines span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: var(--radius-full);
  background: currentColor;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:nth-child(1) {
  transform: translateY(0.375rem) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:nth-child(2) {
  opacity: 0;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:nth-child(3) {
  transform: translateY(-0.375rem) rotate(-45deg);
}

.site-header__navigation {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.site-header__links {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: clamp(0.75rem, 1.7vw, 1.5rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__links li,
.site-header__links li + li {
  display: flex;
  margin: 0;
  padding: 0;
}

.site-header__links a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--color-forest);
  font-size: var(--text-nav);
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
}

.site-header__links a::after {
  width: 0;
  height: 1px;
  margin-left: 0.35rem;
  background: var(--color-olive);
  content: "";
  transition: width var(--transition-fast);
}

.site-header__links a:hover::after,
.site-header__links a:focus-visible::after {
  width: 0.8rem;
}

.site-header__actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: var(--space-3);
}

.site-header__notice {
  display: inline-grid;
  width: 2.375rem;
  height: 2.375rem;
  place-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: 50%;
  color: var(--color-olive);
  font-size: var(--text-small);
  font-weight: 700;
  line-height: 1;
}

.site-header__contact {
  min-height: 2.5rem;
  padding-inline: 0.875rem;
  white-space: nowrap;
}

.site-header :is(a, button):focus-visible {
  outline-color: var(--color-focus-light);
}

@media (max-width: 56.1875rem) {
  .site-header {
    min-height: 4.375rem;
  }

  .site-header__inner {
    min-height: 4.375rem;
  }

  .site-header__logo {
    width: 2.375rem;
    height: 2.375rem;
  }

  .site-header__brand-text {
    font-size: 1rem;
  }

  .site-header__toggle {
    display: grid;
  }

  .site-header__navigation {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
    gap: var(--space-6);
    max-height: calc(100vh - 4.375rem);
    padding: var(--space-5) max(var(--gutter), env(safe-area-inset-right)) var(--space-6) max(var(--gutter), env(safe-area-inset-left));
    overflow-y: auto;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-oat);
    box-shadow: var(--shadow-floating);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.5rem);
    transition: opacity var(--transition-base), transform var(--transition-base);
  }

  .site-header__navigation--open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-header__links {
    display: grid;
    gap: 0;
    width: 100%;
  }

  .site-header__links li {
    border-bottom: 1px solid var(--color-border);
  }

  .site-header__links a {
    width: 100%;
    min-height: 3rem;
    justify-content: space-between;
    font-size: 1rem;
  }

  .site-header__actions {
    align-items: center;
    justify-content: space-between;
  }

  .site-header__contact {
    min-height: 2.75rem;
  }

  body.site-header-menu-open {
    overflow: hidden;
  }
}

@media (max-width: 37.4375rem) {
  .site-header__inner {
    gap: var(--space-3);
  }

  .site-header__navigation {
    max-height: calc(100vh - 4.375rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__navigation,
  .site-header__toggle-lines span,
  .site-header__links a::after {
    transition: none;
  }
}