.site-header {
  position: relative;
  z-index: 1000;
  background-color: var(--color-paper);
  border-bottom: var(--border-thick);
}

.site-header__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-4);
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-3) var(--container-pad);
  min-height: 72px;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-ink);
  justify-self: center;
  min-width: 0;
}

.site-header__logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__nav {
  display: flex;
  align-items: center;
}

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

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

.site-header__list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__list li {
  margin: 0;
  padding: 0;
}

.site-header__list a {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-ink);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.site-header__list a:hover {
  background-color: var(--color-sunburst);
  color: var(--color-ink);
}

.site-header__list a:focus-visible {
  outline: 4px solid var(--color-ink);
  outline-offset: 2px;
  background-color: var(--color-sunburst);
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: var(--border-thick);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
  justify-self: end;
}

.site-header__toggle-line {
  display: block;
  width: 20px;
  height: 3px;
  background-color: var(--color-ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
  transform: translateY(8px) 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(-8px) rotate(-45deg);
}

.site-header__toggle:focus-visible {
  outline: 4px solid var(--color-ink);
  outline-offset: 2px;
}

.site-header__mobile {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-paper);
  border-bottom: var(--border-thick);
  box-shadow: var(--shadow-comic);
  max-height: calc(100vh - 72px);
  overflow-y: auto;
  z-index: 1001;
}

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

.site-header__mobile-list {
  list-style: none;
  margin: 0;
  padding: var(--space-3) var(--container-pad);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-header__mobile-list li {
  margin: 0;
  padding: 0;
}

.site-header__mobile-list a {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-ink);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: background-color 0.15s ease;
}

.site-header__mobile-list a:hover {
  background-color: var(--color-sunburst);
}

.site-header__mobile-list a:focus-visible {
  outline: 4px solid var(--color-ink);
  outline-offset: 2px;
  background-color: var(--color-sunburst);
}

@media (max-width: 1024px) {
  .site-header__inner {
    grid-template-columns: auto 1fr auto;
    gap: var(--space-3);
  }

  .site-header__nav {
    display: none;
  }

  .site-header__brand {
    justify-self: start;
  }

  .site-header__toggle {
    display: flex;
  }
}

@media (max-width: 480px) {
  .site-header__logo {
    width: 36px;
    height: 36px;
  }

  .site-header__brand-text {
    font-size: 1.25rem;
  }

  .site-header__inner {
    min-height: 60px;
    padding: var(--space-2) var(--container-pad);
  }

  .site-header__mobile {
    max-height: calc(100vh - 60px);
  }
}