.site-header {
  position: relative;
  z-index: 100;
  min-height: 4.5rem;
  border-bottom: 1px solid var(--color-line-warm);
  background: rgba(255, 248, 238, 0.97);
}

.site-header__inner {
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  flex: 1 1 auto;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-ink-brown);
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

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

.site-header__brand-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-header__toggle {
  display: inline-grid;
  width: 2.75rem;
  min-height: 2.75rem;
  flex: 0 0 2.75rem;
  place-items: center;
  padding: 0;
  border: 1px solid var(--color-line-warm);
  border-radius: var(--radius-md);
  background: var(--color-paper-warm);
}

.site-header__toggle:hover {
  border-color: var(--color-lavender);
  background: var(--color-soft-lilac);
}

.site-header__toggle-lines {
  display: grid;
  width: 1.25rem;
  gap: 0.25rem;
}

.site-header__toggle-lines span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--color-ink-brown);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header--menu-open .site-header__toggle-lines span:nth-child(1) {
  transform: translateY(0.375rem) rotate(45deg);
}

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

.site-header--menu-open .site-header__toggle-lines span:nth-child(3) {
  transform: translateY(-0.375rem) rotate(-45deg);
}

.site-header__nav {
  position: absolute;
  top: calc(100% + 1px);
  right: 0;
  left: 0;
  display: none;
  max-height: calc(100vh - 4.5rem);
  overflow-x: hidden;
  overflow-y: auto;
  padding: var(--space-4) var(--gutter) var(--space-5);
  border-bottom: 1px solid var(--color-line-warm);
  background: var(--color-paper-cream);
  box-shadow: 0 10px 18px rgba(61, 48, 64, 0.08);
}

.site-header__nav--open {
  display: grid;
  gap: var(--space-4);
}

.site-header__links {
  display: grid;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.site-header__links a {
  display: flex;
  min-height: 2.75rem;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-ink-brown);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.25;
  text-decoration: none;
}

.site-header__links a:hover,
.site-header__links a[aria-current="page"] {
  background: var(--color-soft-lilac);
}

.site-header__play {
  width: 100%;
}

@media (min-width: 68.75rem) {
  .site-header {
    min-height: 4.875rem;
  }

  .site-header__inner {
    min-height: 4.875rem;
    gap: var(--space-5);
  }

  .site-header__brand {
    flex: 0 0 auto;
  }

  .site-header__nav {
    position: static;
    display: flex;
    min-width: 0;
    max-height: none;
    flex: 1 1 auto;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    overflow: visible;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .site-header__toggle {
    display: none;
  }

  .site-header__links {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 0.125rem;
  }

  .site-header__links a {
    min-height: 2.5rem;
    padding-inline: 0.5rem;
    white-space: nowrap;
  }

  .site-header__play {
    width: auto;
    min-height: 2.5rem;
    flex: 0 0 auto;
    padding-inline: 0.75rem;
    font-size: var(--text-sm);
    white-space: nowrap;
  }
}

@media (min-width: 80rem) {
  .site-header__links {
    gap: var(--space-1);
  }

  .site-header__links a {
    padding-inline: var(--space-3);
  }

  .site-header__play {
    padding-inline: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__toggle-lines span {
    transition: none;
  }
}