.site-header {
  position: relative;
  z-index: 100;
  width: 100%;
  border-bottom: var(--border-width) solid var(--color-steel-700);
  background: var(--color-coal-900);
}

.site-header::after {
  position: absolute;
  right: 0;
  bottom: -2px;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0 8%, var(--color-rust-700) 8% 18%, transparent 18% 72%, var(--color-warning-400) 72% 83%, transparent 83%);
  content: "";
}

.site-header__inner {
  display: grid;
  min-height: 5.5rem;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-4);
}

.site-header__desktop-nav {
  min-width: 0;
}

.site-header__desktop-nav--left {
  justify-self: start;
}

.site-header__desktop-nav--right {
  justify-self: end;
}

.site-header__nav-list,
.site-header__mobile-list {
  display: flex;
  min-width: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__nav-list {
  align-items: center;
  gap: clamp(0.65rem, 1.3vw, 1.25rem);
}

.site-header__nav-list li,
.site-header__mobile-list li,
.site-header__nav-list li + li,
.site-header__mobile-list li + li {
  margin: 0;
  padding: 0;
}

.site-header__nav-list a {
  position: relative;
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--color-offwhite-300);
  font-family: var(--font-heading);
  font-size: clamp(0.75rem, 1vw, 0.875rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.075em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__nav-list a::after {
  position: absolute;
  right: 0;
  bottom: 0.38rem;
  left: 0;
  height: 1px;
  background: var(--color-warning-400);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

.site-header__nav-list a:hover,
.site-header__nav-list a[aria-current="page"] {
  color: var(--color-offwhite-100);
}

.site-header__nav-list a:hover::after,
.site-header__nav-list a[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-header__nav-list a[aria-current="page"]::before {
  position: absolute;
  bottom: 0.15rem;
  left: 0;
  width: 4px;
  height: 4px;
  background: var(--color-warning-400);
  content: "";
}

.site-header__contact-link {
  color: var(--color-offwhite-100) !important;
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  color: var(--color-offwhite-100);
  text-decoration: none;
  white-space: nowrap;
}

.site-header__brand:hover {
  color: var(--color-offwhite-100);
  text-decoration: none;
}

.site-header__logo {
  width: 3rem;
  height: 3rem;
  flex: 0 0 3rem;
  object-fit: contain;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1;
  text-transform: uppercase;
}

.site-header__toggle {
  display: none;
  width: 2.75rem;
  min-width: 2.75rem;
  height: 2.75rem;
  min-height: 2.75rem;
  flex: 0 0 2.75rem;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.28rem;
  padding: 0;
}

.site-header__toggle-line {
  display: block;
  width: 1.2rem;
  height: 2px;
  background: currentColor;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__mobile-nav {
  position: fixed;
  z-index: 110;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  visibility: hidden;
  overflow: hidden;
  background: rgba(11, 13, 14, 0.72);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), visibility 0s linear var(--transition-base);
}

.site-header__mobile-panel {
  width: min(100%, 32rem);
  min-height: 100%;
  margin-left: auto;
  overflow-y: auto;
  border-left: var(--border-width-strong) solid var(--color-steel-500);
  background: var(--color-coal-900);
  box-shadow: -8px 0 0 rgba(0, 0, 0, 0.55);
  padding: 7.5rem var(--container-padding) var(--space-6);
  transform: translateX(100%);
  transition: transform var(--transition-base);
}

.site-header__mobile-nav.is-open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition-delay: 0s;
}

.site-header__mobile-nav.is-open .site-header__mobile-panel {
  transform: translateX(0);
}

.site-header__mobile-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  color: var(--color-warning-400);
  font-family: var(--font-heading);
  font-size: var(--text-meta);
  font-weight: 700;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.site-header__mobile-list {
  flex-direction: column;
  border-top: 1px solid var(--color-steel-700);
}

.site-header__mobile-list a {
  display: flex;
  min-height: 3.5rem;
  align-items: center;
  border-bottom: 1px solid var(--color-steel-700);
  color: var(--color-offwhite-100);
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 6vw, 1.75rem);
  font-weight: 800;
  letter-spacing: var(--tracking-heading);
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
}

.site-header__mobile-list a:hover,
.site-header__mobile-list a[aria-current="page"] {
  color: var(--color-warning-400);
}

.site-header__mobile-contact {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-6);
  color: var(--color-offwhite-300);
  font-size: var(--text-label);
}

.site-header__mobile-contact a {
  width: fit-content;
  max-width: 100%;
}

.site-header.is-menu-open .site-header__toggle {
  position: relative;
  z-index: 120;
  border-color: var(--color-warning-400);
}

.site-header.is-menu-open .site-header__toggle-line:nth-child(1) {
  transform: translateY(0.47rem) rotate(45deg);
}

.site-header.is-menu-open .site-header__toggle-line:nth-child(2) {
  opacity: 0;
}

.site-header.is-menu-open .site-header__toggle-line:nth-child(3) {
  transform: translateY(-0.47rem) rotate(-45deg);
}

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

@media (max-width: 70rem) {
  .site-header__inner {
    min-height: 4.75rem;
    grid-template-columns: 2.75rem minmax(0, 1fr) 2.75rem;
  }

  .site-header__desktop-nav {
    display: none;
  }

  .site-header__brand {
    justify-self: center;
  }

  .site-header__logo {
    width: 2.5rem;
    height: 2.5rem;
    flex-basis: 2.5rem;
  }

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

  .site-header__toggle {
    display: inline-flex;
    justify-self: end;
  }
}

@media (max-width: 43.75rem) {
  .site-header__inner {
    min-height: 4.25rem;
  }

  .site-header__logo {
    width: 2.25rem;
    height: 2.25rem;
    flex-basis: 2.25rem;
  }

  .site-header__brand-text {
    font-size: 0.8125rem;
    letter-spacing: 0.1em;
  }

  .site-header__mobile-panel {
    padding-top: 6.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__mobile-nav,
  .site-header__mobile-panel,
  .site-header__toggle-line {
    transition: none;
  }
}