.site-header {
  position: relative;
  z-index: 100;
  width: 100%;
  background: var(--color-navy);
  color: var(--color-white);
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  width: min(100% - (var(--gutter) * 2), var(--container-max));
  min-height: 4.75rem;
  margin-inline: auto;
  align-items: center;
  column-gap: var(--space-5);
}

.site-header__brand,
.site-header__brand-text {
  display: flex;
  min-width: 0;
  align-items: center;
}

.site-header__brand {
  gap: var(--space-3);
  color: var(--color-white);
  text-decoration: none;
}

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

.site-header__mark {
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 2.75rem;
  object-fit: contain;
}

.site-header__brand-text {
  display: grid;
  gap: 0.125rem;
  line-height: 1;
}

.site-header__name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.site-header__subtitle {
  color: var(--color-copper-bright);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__nav {
  min-width: 0;
  justify-self: end;
}

.site-header__nav-list {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.55rem, 1.1vw, 1rem);
  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 {
  position: relative;
  display: inline-flex;
  min-height: 2.5rem;
  align-items: center;
  color: var(--color-white);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__nav-list a::after {
  position: absolute;
  right: 0;
  bottom: 0.25rem;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--color-copper-bright);
  content: "";
  transition: transform var(--transition-base);
}

.site-header__nav-list a:hover,
.site-header__nav-list a:focus-visible { color: var(--color-white); }
.site-header__nav-list a:hover::after,
.site-header__nav-list a:focus-visible::after { transform: scaleX(1); }

.site-header__cta { width: auto; white-space: nowrap; }
.site-header__toggle,
.site-header__mobile-action { display: none; }

.site-header__terms {
  overflow: hidden;
  border-top: 1px solid var(--color-border-dark);
  color: var(--color-copper-mist);
}

.site-header__terms-track {
  display: flex;
  width: min(100% - (var(--gutter) * 2), var(--container-max));
  min-height: 1.95rem;
  margin-inline: auto;
  align-items: center;
  gap: var(--space-2);
  overflow: hidden;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__terms-track span { color: var(--color-copper); }

@media (max-width: 1180px) {
  .site-header__inner {
    grid-template-columns: auto auto auto;
    justify-content: space-between;
  }

  .site-header__toggle {
    display: inline-grid;
    width: 3rem;
    height: 3rem;
    place-content: center;
    gap: 0.32rem;
    padding: 0;
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-control);
    background: transparent;
    color: var(--color-white);
  }

  .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(0.43rem) 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(-0.43rem) rotate(-45deg); }

  .site-header__toggle:focus-visible {
    border-color: var(--color-copper-bright);
    background: var(--color-clay-focus);
    outline: 2px solid var(--color-white);
    outline-offset: 2px;
  }

  .site-header__nav {
    position: absolute;
    z-index: 101;
    top: 100%;
    right: 0;
    left: 0;
    display: grid;
    max-height: calc(100vh - 4.75rem);
    padding: var(--space-5) max(var(--gutter), env(safe-area-inset-right)) var(--space-6) max(var(--gutter), env(safe-area-inset-left));
    overflow-y: auto;
    border-top: 1px solid var(--color-border-dark);
    background: var(--color-navy);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.5rem);
    transition: opacity var(--transition-base), transform var(--transition-base);
  }

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

  .site-header__nav-list {
    display: grid;
    justify-content: stretch;
    gap: 0;
  }

  .site-header__nav-list a {
    min-height: 3.1rem;
    border-bottom: 1px solid var(--color-border-dark);
    font-size: var(--text-utility);
  }

  .site-header__nav-list a::after { bottom: 0; }
  .site-header__mobile-action { display: block; padding-top: var(--space-5); }
  .site-header__cta { display: none; }
}

@media (max-width: 480px) {
  .site-header__inner { min-height: 4.25rem; column-gap: var(--space-2); }
  .site-header__mark { width: 2.25rem; height: 2.25rem; flex-basis: 2.25rem; }
  .site-header__name { font-size: 1.15rem; }
  .site-header__subtitle { display: none; }
  .site-header__terms-track { width: 100%; padding-inline: var(--gutter-mobile); }
}

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