.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  border-bottom: 1px solid var(--color-steel-600);
  background: rgba(8, 10, 12, 0.96);
  backdrop-filter: blur(12px);
}

.site-header__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  width: min(100%, var(--container-max));
  min-height: 5rem;
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

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

.site-header__desktop-nav ul,
.site-header__mobile-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 1.6vw, 1.5rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__desktop-nav li,
.site-header__mobile-nav li,
.site-header__desktop-nav li + li,
.site-header__mobile-nav li + li {
  margin: 0;
  padding: 0;
}

.site-header__desktop-nav--left ul {
  justify-content: flex-start;
}

.site-header__desktop-nav--right ul {
  justify-content: flex-end;
}

.site-header__desktop-nav a,
.site-header__mobile-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--color-white-strong);
  font-family: var(--font-heading);
  font-size: var(--text-nav);
  font-style: italic;
  font-weight: 800;
  letter-spacing: 0.035em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__desktop-nav a::after,
.site-header__mobile-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0.35rem;
  left: 0;
  height: 2px;
  background: var(--color-tension-yellow);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

.site-header__desktop-nav a:hover::after,
.site-header__desktop-nav a:focus-visible::after,
.site-header__mobile-nav a:hover::after,
.site-header__mobile-nav a:focus-visible::after {
  transform: scaleX(1);
}

.site-header__contact-link {
  color: var(--color-tension-yellow) !important;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  justify-self: center;
  gap: 0.625rem;
  min-width: 0;
  padding: 0.5rem;
  color: var(--color-white-strong);
  text-decoration: none;
  white-space: nowrap;
}

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

.site-header__logo {
  width: 2.625rem;
  height: 2.625rem;
  flex: 0 0 auto;
  object-fit: contain;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-style: italic;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}

.site-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.625rem;
  border: 1px solid var(--color-steel-600);
  background: var(--color-steel-900);
  color: var(--color-white-strong);
}

.site-header__toggle.is-open {
  position: relative;
  z-index: 111;
}

.site-header__toggle:hover {
  border-color: var(--color-tension-yellow);
  background: var(--color-steel-800);
}

.site-header__toggle-line {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: currentColor;
  transition: transform var(--transition-panel), opacity var(--transition-panel);
}

.site-header__toggle-line + .site-header__toggle-line {
  margin-top: 0.25rem;
}

.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__mobile-nav {
  display: none;
}

@media (max-width: 64rem) {
  .site-header__inner {
    grid-template-columns: 1fr auto 1fr;
    min-height: 4.5rem;
  }

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

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

  .site-header__mobile-nav {
    position: fixed;
    top: 4.5rem;
    right: 0;
    bottom: 0;
    display: block;
    width: min(100%, 25rem);
    overflow-y: auto;
    border-left: 1px solid var(--color-steel-600);
    background: var(--color-steel-900);
    box-shadow: var(--shadow-panel);
    z-index: 1200;
  }

  .site-header__mobile-nav.is-open {
    display: block !important;
  }

  .site-header__mobile-nav[hidden] {
    display: none;
  }

  .site-header__mobile-nav-head {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-5) var(--space-5) var(--space-4);
  }

  .site-header__mobile-nav-rule {
    display: block;
    flex: 1;
    height: 2px;
    background: var(--color-tension-yellow);
    transform: skewX(-24deg);
  }

  .site-header__mobile-nav ul {
    display: grid;
    gap: 0;
    padding: 0 var(--space-5) var(--space-6);
  }

  .site-header__mobile-nav li {
    border-top: 1px solid var(--color-steel-600);
  }

  .site-header__mobile-nav li:last-child {
    border-bottom: 1px solid var(--color-steel-600);
  }

  .site-header__mobile-nav a {
    width: 100%;
    min-height: 3.5rem;
    font-size: 1rem;
  }
}

@media (max-width: 30rem) {
  .site-header__inner {
    min-height: 4rem;
  }

  .site-header__brand {
    gap: 0.5rem;
    padding-inline: 0;
  }

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

  .site-header__brand-text {
    font-size: 1.125rem;
  }

  .site-header__mobile-nav {
    top: 4rem;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__toggle-line,
  .site-header__desktop-nav a::after,
  .site-header__mobile-nav a::after {
    transition-duration: 0ms;
  }
}