.site-header {
  position: relative;
  z-index: 900;
  height: 6.25rem;
  pointer-events: none;
}

.site-header__shell {
  position: absolute;
  top: 1.5rem;
  left: 50%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-5);
  width: min(calc(100% - (2 * var(--gutter))), var(--container-width));
  min-height: 4rem;
  padding: 0.75rem;
  border: var(--border-default);
  border-radius: var(--radius-floating);
  background: var(--color-smoke-grey);
  box-shadow: var(--shadow-floating);
  transform: translateX(-50%);
  pointer-events: auto;
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 0.625rem;
  color: var(--color-paper-white);
  text-decoration: none;
  white-space: nowrap;
}

.site-header__mark {
  width: 2.125rem;
  height: 2.125rem;
  flex: 0 0 2.125rem;
  object-fit: contain;
  filter: grayscale(1) contrast(1.2);
}

.site-header__brand-text {
  overflow: hidden;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1;
  text-overflow: ellipsis;
}

.site-header__navigation {
  min-width: 0;
}

.site-header__links {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
  gap: clamp(0.625rem, 1.4vw, 1.25rem);
  margin: 0;
  padding: 0;
  list-style: none !important;
}

.site-header__links li,
.site-header__links li + li {
  min-width: 0;
  margin: 0;
  padding: 0;
}

.site-header__links a {
  display: inline-flex;
  min-height: 2.25rem;
  align-items: center;
  color: var(--color-muted-white);
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
}

.site-header__links a::after {
  width: 0;
  height: 1px;
  margin-top: 1.75rem;
  background: var(--color-blood-red);
  content: "";
  position: absolute;
  transition: width var(--transition-fast);
}

.site-header__links a {
  position: relative;
}

.site-header__links a:hover,
.site-header__links a[aria-current="page"] {
  color: var(--color-paper-white);
}

.site-header__links a:hover::after,
.site-header__links a[aria-current="page"]::after {
  width: 100%;
}

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

.site-header__toggle,
.site-header__mobile-action,
.site-header__mobile-only {
  display: none;
}

@media (max-width: 60rem) {
  .site-header {
    height: 5.5rem;
  }

  .site-header__shell {
    position: fixed;
    top: 0.75rem;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-3);
    min-height: 3.75rem;
    padding: 0.5rem 0.625rem 0.5rem 0.75rem;
  }

  .site-header__mark {
    width: 1.875rem;
    height: 1.875rem;
    flex-basis: 1.875rem;
  }

  .site-header__brand-text {
    font-size: 0.9375rem;
  }

  .site-header__toggle {
    display: inline-flex;
    width: 2.75rem;
    min-width: 2.75rem;
    min-height: 2.75rem;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.3125rem;
    padding: var(--space-2);
    border: var(--border-default);
    border-radius: var(--radius-control);
    background: transparent;
    color: var(--color-paper-white);
    transition: border-color var(--transition-fast), color var(--transition-fast);
  }

  .site-header__toggle:hover,
  .site-header__toggle[aria-expanded="true"] {
    border-color: var(--color-paper-white);
  }

  .site-header__toggle span {
    display: block;
    width: 1.25rem;
    height: 1px;
    background: currentColor;
    transition: transform var(--transition-base), opacity var(--transition-fast);
  }

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

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

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

  .site-header__action {
    display: none;
  }

  .site-header__navigation {
    position: fixed;
    z-index: -1;
    top: 5.25rem;
    right: var(--gutter-mobile);
    left: var(--gutter-mobile);
    display: flex;
    max-height: calc(100vh - 6rem);
    min-height: min(32rem, calc(100vh - 6rem));
    flex-direction: column;
    justify-content: space-between;
    padding: var(--space-5);
    overflow-y: auto;
    border: var(--border-default);
    border-radius: var(--radius-floating);
    background: var(--color-night-black);
    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.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-header__links {
    display: grid;
    justify-content: stretch;
    gap: 0;
  }

  .site-header__links a {
    min-height: 3.25rem;
    justify-content: flex-start;
    border-bottom: var(--border-default);
    color: var(--color-paper-white);
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 6vw, 2rem);
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1;
  }

  .site-header__links a::after {
    display: none;
  }

  .site-header__mobile-only {
    display: block;
  }

  .site-header__mobile-action {
    display: block;
    margin-top: var(--space-5);
  }

  .site-header__mobile-action .button {
    width: 100%;
  }
}

@media (max-width: 23rem) {
  .site-header__brand-text {
    font-size: 0.8125rem;
    letter-spacing: 0.07em;
  }
}