.site-header {
  position: relative;
  z-index: 100;
  width: 100%;
  color: var(--color-text);
}

.site-header__info {
  display: grid;
  min-height: 2rem;
  place-items: center;
  padding-inline: var(--gutter);
  background: var(--color-info);
}

.site-header__info p {
  margin: 0;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.3;
  text-align: center;
  text-transform: uppercase;
}

.site-header__shell {
  border-bottom: 1px solid var(--color-brass);
  background: var(--color-surface);
  transition: box-shadow var(--transition-base), background-color var(--transition-base);
}

.site-header__row {
  display: grid;
  min-height: 5.25rem;
  grid-template-columns: minmax(11.5rem, 1fr) auto minmax(11.5rem, 1fr);
  align-items: center;
  gap: var(--space-4);
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  justify-self: start;
  gap: 0.625rem;
  color: var(--color-text);
}

.site-header__brand:hover {
  color: var(--color-text);
}

.site-header__mark {
  width: 2.25rem;
  height: 2.25rem;
  flex: 0 0 2.25rem;
  object-fit: contain;
}

.site-header__brand-copy {
  display: grid;
  min-width: 0;
  gap: 0.125rem;
}

.site-header__brand-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 0.9;
  white-space: nowrap;
}

.site-header__brand-tagline {
  color: var(--color-text-muted);
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
}

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

.site-header__links {
  display: flex;
  align-items: center;
  gap: clamp(0.8rem, 1.3vw, 1.35rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.site-header__links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding-block: 0.25rem;
  color: var(--color-text);
  font-size: var(--text-nav);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.2;
  white-space: nowrap;
}

.site-header__links a::after {
  width: 0;
  height: 1px;
  margin-top: 1.55rem;
  margin-left: -100%;
  content: "";
  background: var(--color-brass);
  transition: width var(--transition-base);
}

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

.site-header__cta {
  justify-self: end;
  min-height: 2.75rem;
  white-space: nowrap;
}

.site-header__toggle,
.site-header__mobile-brand,
.site-header__mobile-cta {
  display: none;
}

@media (max-width: 78.9375rem) {
  .site-header__row {
    min-height: 4.5rem;
    grid-template-columns: 1fr auto;
  }

  .site-header__cta {
    display: none;
  }

  .site-header__toggle {
    display: inline-grid;
    width: 2.75rem;
    min-height: 2.75rem;
    place-content: center;
    gap: 0.3125rem;
    padding: 0;
    border: 1px solid var(--color-brass);
    border-radius: var(--radius-control);
    background: transparent;
    z-index: 100;
  }

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

  .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__navigation {
    position: fixed;
    z-index: 99;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    align-content: start;
    gap: var(--space-6);
    overflow-y: auto;
    padding: calc(var(--space-8) + 2rem) var(--gutter) var(--space-6);
    background: var(--color-page);
    opacity: 0;
    pointer-events: none;
    transform: translateX(100%);
    transition: opacity var(--transition-base), transform var(--transition-base);
  }

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

  .site-header__mobile-brand {
    display: block;
    color: var(--color-text);
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.035em;
    line-height: 1;
  }

  .site-header__links {
    display: grid;
    gap: 0;
    background: var(--color-info);
  }

  .site-header__links li,
  .site-header__links li + li {
    display: block;
    border-bottom: 1px solid rgba(36, 38, 37, 0.16);
  }

  .site-header__links li:last-child {
    border-bottom: 0;
  }

  .site-header__links a {
    display: flex;
    min-height: 3.5rem;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-display);
    font-size: clamp(1.55rem, 5vw, 2rem);
    font-weight: 500;
    letter-spacing: -0.02em;
  }

  .site-header__links a::after {
    width: auto;
    height: auto;
    margin: 0;
    background: none;
    content: "→";
  }

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

  .site-header__mobile-cta {
    display: inline-flex;
    justify-self: start;
  }

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

@media (max-width: 47.9375rem) {
  .site-header__info {
    min-height: 2rem;
  }

  .site-header__info p {
    font-size: 0.5625rem;
    letter-spacing: 0.045em;
  }

  .site-header__row {
    min-height: 4rem;
  }

  .site-header__mark {
    width: 2rem;
    height: 2rem;
    flex-basis: 2rem;
  }

  .site-header__brand-name {
    font-size: 1.25rem;
  }

  .site-header__brand-tagline {
    display: none;
  }

  .site-header__navigation {
    padding-top: 6.5rem;
  }
}

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