.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  background: var(--color-bone-50);
  border-bottom: 1px solid color-mix(in srgb, var(--color-clay-500) 64%, transparent);
  color: var(--color-charcoal-900);
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  min-height: 5.25rem;
  gap: var(--space-5);
}

.site-header__brand,
.site-header__desktop-nav,
.site-header__action,
.site-header__toggle {
  min-width: 0;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: inherit;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.16em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__brand:hover {
  text-decoration: none;
}

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

.site-header__desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.8rem, 1.5vw, 1.5rem);
  overflow: hidden;
}

.site-header__desktop-nav a {
  flex: 0 1 auto;
  color: inherit;
  font-size: 0.6875rem;
  font-weight: 650;
  letter-spacing: 0.075em;
  line-height: 1.2;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__desktop-nav a:hover {
  color: var(--color-copper-500);
  text-decoration: none;
}

.site-header__action {
  min-height: 2.75rem;
  padding-inline: 1rem;
  font-size: 0.65rem;
  white-space: nowrap;
}

.site-header__toggle,
.site-header__nav {
  display: none;
}

@media (max-width: 75rem) {
  .site-header__inner {
    grid-template-columns: auto auto;
    justify-content: space-between;
    min-height: 4.75rem;
    gap: var(--space-4);
  }

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

  .site-header__brand {
    font-size: 0.7rem;
  }

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

  .site-header__toggle {
    display: inline-flex;
    flex: 0 0 auto;
    width: 3rem;
    min-height: 3rem;
    padding: 0;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 0.3rem;
    border-color: var(--color-charcoal-900);
    background: transparent;
    color: var(--color-charcoal-900);
  }

  .site-header__toggle:hover {
    border-color: var(--color-copper-500);
    background: var(--color-copper-500);
    color: var(--color-bone-50);
  }

  .site-header__toggle-line {
    display: block;
    width: 1.15rem;
    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(0.4rem) 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(-0.4rem) rotate(-45deg);
  }

  .site-header__nav {
    position: fixed;
    inset: 4.75rem 0 0;
    z-index: 49;
    display: block;
    visibility: hidden;
    overflow-x: hidden;
    overflow-y: auto;
    background: var(--color-charcoal-900);
    color: var(--color-bone-50);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.5rem);
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  }

  .site-header__nav.is-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-header__nav-inner {
    display: grid;
    width: min(100%, 42rem);
    min-height: calc(100vh - 4.75rem);
    margin-inline: auto;
    padding: clamp(2rem, 6vw, 4rem) var(--container-padding) 2rem;
    gap: 2rem;
  }

  .site-header__nav-group {
    display: grid;
    gap: 0.75rem;
  }

  .site-header__nav-label {
    margin: 0;
    color: var(--color-copper-500);
    font-size: var(--text-small);
    font-weight: 650;
    letter-spacing: var(--tracking-label);
    line-height: var(--leading-small);
    text-transform: uppercase;
  }

  .site-header__nav-list {
    display: grid;
    gap: 0.45rem;
    margin: 0;
    padding: 0;
    list-style: none;
  }

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

  .site-header__nav-list a {
    display: inline-block;
    color: var(--color-bone-50);
    font-family: var(--font-heading);
    font-size: clamp(1.7rem, 5vw, 2.35rem);
    font-weight: 500;
    letter-spacing: -0.025em;
    line-height: 1.05;
    text-decoration: none;
  }

  .site-header__nav-list a:hover {
    color: var(--color-copper-500);
    text-decoration: none;
  }

  .site-header__mobile-action {
    align-self: end;
    width: max-content;
    min-height: 3rem;
  }
}

@media (max-width: 47.99rem) {
  .site-header__inner {
    min-height: 4.25rem;
  }

  .site-header__brand {
    gap: 0.5rem;
    font-size: 0.68rem;
    letter-spacing: 0.12em;
  }

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

  .site-header__toggle {
    width: 2.75rem;
    min-height: 2.75rem;
  }

  .site-header__nav {
    inset: 4.25rem 0 0;
  }

  .site-header__nav-inner {
    min-height: calc(100vh - 4.25rem);
    padding-top: 2rem;
  }

  .site-header__mobile-action {
    width: 100%;
  }
}

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