.site-header {
  position: relative;
  z-index: 100;
  border-bottom: 1px solid var(--color-steel-line);
  background: var(--color-ash-graphite);
  box-shadow: 0 4px 14px rgb(0 0 0 / 16%);
}

.site-header__inner {
  display: grid;
  grid-template-columns: minmax(14rem, 18rem) minmax(0, 1fr);
  align-items: center;
  gap: var(--space-5);
  min-height: 4.75rem;
  padding-block: var(--space-2);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: var(--space-3);
  color: var(--color-sand-beige);
  text-decoration: none;
}

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

.site-header__brand-copy {
  display: grid;
  min-width: 0;
  gap: 0.1rem;
}

.site-header__brand-name {
  color: var(--color-bone-white);
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1;
  white-space: nowrap;
}

.site-header__descriptor {
  color: var(--color-muted-beige);
  font-family: var(--font-technical);
  font-size: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.075em;
  line-height: 1.25;
}

.site-header__menu {
  display: grid;
  grid-template-columns: minmax(15rem, 19rem) minmax(0, 1fr);
  align-items: center;
  gap: var(--space-4);
  min-width: 0;
}

.site-header__search {
  display: grid;
  gap: 0.2rem;
  margin: 0;
}

.site-header__search-label {
  margin: 0;
  color: var(--color-patina-green);
  font-family: var(--font-technical);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  line-height: 1.2;
}

.site-header__search-field {
  display: flex;
  min-width: 0;
}

.site-header__search-field input {
  min-width: 0;
  height: 2.25rem;
  min-height: 2.25rem;
  border-radius: var(--radius-field) 0 0 var(--radius-field);
  font-size: var(--text-sm);
}

.site-header__search-field button {
  min-height: 2.25rem;
  padding-inline: var(--space-3);
  border-radius: 0 var(--radius-field) var(--radius-field) 0;
  font-size: 0.6875rem;
  text-transform: uppercase;
}

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

.site-header__nav-list {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.15rem 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.site-header__nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  padding: 0.25rem 0.1rem;
  border-bottom: 2px solid transparent;
  color: var(--color-sand-beige);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.065em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.site-header__nav-list a:hover,
.site-header__nav-list a[aria-current="page"] {
  border-bottom-color: var(--color-military-green);
  color: var(--color-bone-white);
}

.site-header__nav-contact {
  display: none !important;
}

.site-header__toggle {
  display: none;
}

@media (max-width: 79rem) {
  .site-header__inner {
    grid-template-columns: minmax(14rem, 1fr) auto;
    gap: var(--space-3);
  }

  .site-header__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-width: 5rem;
    min-height: 2.75rem;
    padding-inline: var(--space-3);
    border-color: var(--color-steel-line);
    background: var(--color-dark-steel);
  }

  .site-header__toggle[aria-expanded="true"] {
    border-color: var(--color-patina-green);
    background: var(--color-military-green);
  }

  .site-header__toggle-lines {
    display: grid;
    gap: 0.2rem;
    width: 1rem;
  }

  .site-header__toggle-lines span {
    display: block;
    width: 100%;
    height: 1px;
    background: currentColor;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:nth-child(1) {
    transform: translateY(0.275rem) 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(-0.275rem) rotate(-45deg);
  }

  .site-header__toggle-text {
    font-family: var(--font-technical);
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.08em;
  }

  .site-header__menu {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: none;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    max-height: min(34rem, calc(100vh - 5rem));
    padding: var(--space-4) max(var(--container-padding), calc((100vw - var(--container)) / 2));
    overflow-y: auto;
    border-bottom: 1px solid var(--color-steel-line);
    background: var(--color-concrete-graphite);
    box-shadow: var(--shadow-floating);
  }

  .site-header__menu.is-open {
    display: grid;
  }

  .site-header__search-field input,
  .site-header__search-field button {
    min-height: 2.75rem;
  }

  .site-header__nav-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-content: stretch;
    gap: var(--space-2);
  }

  .site-header__nav-list a {
    width: 100%;
    min-height: 2.75rem;
    padding-inline: var(--space-3);
    border: 1px solid var(--color-steel-line);
    background: var(--color-dark-steel);
  }

  .site-header__nav-list a:hover,
  .site-header__nav-list a[aria-current="page"] {
    border-color: var(--color-patina-green);
    background: rgb(88 107 74 / 22%);
  }

  .site-header__nav-contact {
    display: flex !important;
  }
}

@media (max-width: 32.5rem) {
  .site-header__inner {
    min-height: 4.25rem;
  }

  .site-header__logo {
    width: 2.125rem;
    height: 2.125rem;
  }

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

  .site-header__descriptor {
    display: none;
  }

  .site-header__nav-list {
    grid-template-columns: 1fr;
  }
}