.site-header {
  position: relative;
  z-index: 1000;
  background-color: var(--color-ivory-page);
  border-bottom: 1px solid var(--color-grey-pale);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  max-width: var(--container-standard);
  margin-inline: auto;
  padding-inline: var(--gutter-mobile);
  min-height: 64px;
}

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

.site-header__logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.site-header__wordmark {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: var(--tracking-h1);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--radius-1);
  cursor: pointer;
  flex-shrink: 0;
}

.site-header__toggle-line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-navy-ink);
  border-radius: 1px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
  transform: translateY(7px) 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(-7px) rotate(-45deg);
}

.site-header__nav {
  display: flex;
  align-items: center;
  min-width: 0;
}

.site-header__list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__item {
  margin: 0;
  padding: 0;
}

.site-header__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  font-weight: 600;
  line-height: var(--leading-body-sm);
  color: var(--color-navy-ink);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.site-header__link:hover {
  color: var(--color-coral-signal);
}

.site-header__item--contact {
  margin-left: auto;
}

@media (min-width: 40rem) {
  .site-header__inner {
    padding-inline: var(--gutter-tablet);
  }
}

@media (min-width: 64rem) {
  .site-header__inner {
    padding-inline: var(--gutter-desktop);
  }
}

@media (max-width: 63.9375rem) {
  .site-header__inner {
    flex-wrap: wrap;
    min-height: 64px;
  }

  .site-header__toggle {
    display: flex;
  }

  .site-header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    background-color: var(--color-navy-deep);
    padding: var(--space-4) var(--gutter-mobile);
    display: none;
    flex-direction: column;
    align-items: stretch;
    box-shadow: var(--shadow-elevated);
  }

  .site-header__nav.is-open {
    display: flex;
  }

  .site-header__list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
    width: 100%;
  }

  .site-header__item {
    width: 100%;
  }

  .site-header__item--contact {
    margin-left: 0;
  }

  .site-header__link {
    display: flex;
    width: 100%;
    min-height: 44px;
    padding: var(--space-3) var(--space-4);
    color: var(--color-ivory-page);
    font-size: var(--text-body);
    line-height: var(--leading-body);
    border-radius: var(--radius-1);
  }

  .site-header__link:hover {
    color: var(--color-coral-soft);
    background-color: rgba(255, 255, 255, 0.05);
  }
}

@media (max-width: 39.9375rem) {
  .site-header__inner {
    padding-inline: var(--gutter-mobile);
  }

  .site-header__logo {
    width: 32px;
    height: 32px;
  }

  .site-header__wordmark {
    font-size: 1.125rem;
  }
}