.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  width: 100%;
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-page) 94%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  min-height: 4.75rem;
}

.site-header__menu {
  display: contents;
}

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

.site-header__nav--left {
  grid-column: 1;
  justify-self: start;
}

.site-header__nav--right {
  grid-column: 3;
  justify-self: end;
}

.site-header__list {
  display: flex;
  margin: 0;
  padding: 0;
  align-items: center;
  gap: clamp(.75rem, 1.7vw, 1.5rem);
  list-style: none;
}

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

.site-header__list a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--color-ink);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
}

.site-header__list a:hover,
.site-header__list a[aria-current="page"] {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
  text-decoration-thickness: 2px;
  text-underline-offset: .38em;
}

.site-header__brand {
  grid-column: 2;
  grid-row: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .625rem;
  min-width: 0;
  color: var(--color-primary-deep);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: var(--tracking-heading);
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

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

.site-header__logo {
  width: 2.75rem;
  height: 2.75rem;
  flex: none;
  object-fit: contain;
}

.site-header__toggle {
  display: none;
}

.site-header__play {
  gap: var(--space-2);
  min-height: 2.5rem;
  padding-inline: .875rem;
  color: var(--color-on-dark) !important;
  white-space: nowrap;
}

.site-header__play-icon {
  width: 1rem;
  height: 1rem;
  flex: none;
  fill: currentColor;
}

@media (max-width: 68.6875rem) {
  .site-header__inner {
    grid-template-columns: auto 1fr auto;
    min-height: 4.5rem;
  }

  .site-header__brand {
    grid-column: 2;
    justify-self: center;
  }

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

  .site-header__toggle {
    position: relative;
    z-index: 2;
    grid-column: 1;
    grid-row: 1;
    display: inline-flex;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface);
    color: var(--color-primary-deep);
    cursor: pointer;
  }

  .site-header__toggle-lines,
  .site-header__toggle-lines::before,
  .site-header__toggle-lines::after {
    display: block;
    width: 1.25rem;
    height: 2px;
    border-radius: var(--radius-round);
    background: currentColor;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }

  .site-header__toggle-lines {
    position: relative;
  }

  .site-header__toggle-lines::before,
  .site-header__toggle-lines::after {
    position: absolute;
    left: 0;
    content: "";
  }

  .site-header__toggle-lines::before {
    top: -.4rem;
  }

  .site-header__toggle-lines::after {
    top: .4rem;
  }

  .site-header__toggle[aria-expanded="true"] {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-on-dark);
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-lines {
    background: transparent;
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-lines::before {
    top: 0;
    transform: rotate(45deg);
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-lines::after {
    top: 0;
    transform: rotate(-45deg);
  }

  .site-header__menu {
    position: absolute;
    top: calc(100% + .5rem);
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100dvh - 5.5rem);
    overflow-y: auto;
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background: var(--color-surface);
    box-shadow: var(--shadow-card);
  }

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

  .site-header__nav {
    position: static;
    display: block;
  }

  .site-header__nav--right {
    margin-top: var(--space-2);
    padding-top: var(--space-2);
    border-top: 1px solid var(--color-border);
  }

  .site-header__list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
  }

  .site-header__list li,
  .site-header__list li + li {
    display: block;
  }

  .site-header__list a {
    width: 100%;
    min-height: 3rem;
    padding-inline: var(--space-3);
    border-radius: var(--radius-card);
  }

  .site-header__list a:hover,
  .site-header__list a[aria-current="page"] {
    background: var(--color-surface-muted);
    text-decoration: none;
  }

  .site-header__play {
    min-height: 3rem;
    justify-content: center;
  }

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

@media (max-width: 47.4375rem) {
  .site-header__inner {
    min-height: 4.25rem;
  }

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

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

  .site-header__menu {
    top: 100%;
    right: calc(var(--container-padding) * -1);
    left: calc(var(--container-padding) * -1);
    min-height: calc(100dvh - 4.25rem);
    max-height: calc(100dvh - 4.25rem);
    padding: var(--space-4) var(--container-padding) var(--space-6);
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .site-header__nav--right {
    margin-top: var(--space-3);
    padding-top: var(--space-3);
  }

  .site-header__list a {
    min-height: 3.25rem;
    font-size: 1rem;
  }

  .site-header__play {
    margin-top: var(--space-2);
  }
}