.site-header {
  position: relative;
  z-index: 80;
  border-bottom: 1px solid var(--color-line-dark);
  background: var(--color-charcoal-950);
  color: var(--color-ivory-200);
}

.site-header__inner {
  display: flex;
  min-height: 5.25rem;
  align-items: center;
  gap: 1.25rem;
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  flex: 0 1 auto;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-ivory-50);
  text-decoration: none;
}

.site-header__logo {
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 2.5rem;
  object-fit: contain;
}

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

.site-header__brand-name {
  overflow: hidden;
  color: var(--color-ivory-50);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-header__descriptor {
  margin-top: 0.2rem;
  color: var(--color-ivory-200);
  font-size: 0.5625rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__nav {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.site-header__menu {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: clamp(0.65rem, 1.2vw, 1.25rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__menu li,
.site-header__menu li + li {
  margin: 0;
  padding: 0;
}

.site-header__menu a,
.site-header__contact {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  border-bottom: 1px solid transparent;
  color: var(--color-ivory-200);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
}

.site-header__menu a:hover,
.site-header__menu a:focus-visible,
.site-header__menu a[aria-current="page"] {
  border-bottom-color: var(--color-brass-400);
  color: var(--color-ivory-50);
}

.site-header__contact {
  justify-content: center;
  padding: 0.6875rem 0.875rem;
  border: 1px solid var(--color-brass-400);
  border-radius: var(--radius-sm);
  color: var(--color-ivory-50);
}

.site-header__contact:hover,
.site-header__contact:focus-visible {
  border-color: var(--color-brass-400);
  background: var(--color-forest-800);
  color: var(--color-ivory-50);
}

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

@media (max-width: 70rem) {
  .site-header__inner {
    min-height: 4.75rem;
    justify-content: space-between;
  }

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

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

  .site-header__descriptor {
    display: none;
  }

  .site-header__toggle {
    display: inline-grid;
    width: 2.75rem;
    min-width: 2.75rem;
    height: 2.75rem;
    place-content: center;
    gap: 0.3125rem;
    border: 1px solid var(--color-line-dark);
    border-radius: var(--radius-sm);
    color: var(--color-ivory-50);
  }

  .site-header__toggle:hover,
  .site-header__toggle[aria-expanded="true"] {
    border-color: var(--color-brass-400);
    background: var(--color-forest-800);
  }

  .site-header__toggle-line {
    display: block;
    width: 1.125rem;
    height: 1px;
    background: currentColor;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }

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

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

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

  .site-header__nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100vh - 4.75rem);
    overflow-y: auto;
    padding: 1rem var(--gutter) 1.25rem;
    border-bottom: 1px solid var(--color-line-dark);
    background: var(--color-espresso-900);
    box-shadow: var(--shadow-panel);
  }

  .site-header__nav.is-open {
    display: grid;
    gap: 1rem;
  }

  .site-header__menu {
    display: grid;
    gap: 0;
  }

  .site-header__menu a,
  .site-header__contact {
    width: 100%;
    min-height: 2.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-line-dark);
    font-size: 0.75rem;
  }

  .site-header__menu a:hover,
  .site-header__menu a:focus-visible,
  .site-header__menu a[aria-current="page"] {
    border-bottom-color: var(--color-brass-400);
  }

  .site-header__contact {
    justify-content: center;
    padding-inline: 1rem;
    border: 1px solid var(--color-brass-400);
  }

  .site-header__mobile-only {
    display: list-item;
  }

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

@media (max-width: 23rem) {
  .site-header__inner {
    gap: 0.75rem;
  }

  .site-header__brand {
    gap: 0.5rem;
  }

  .site-header__brand-name {
    max-width: 10rem;
    font-size: 0.875rem;
  }
}