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

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-sm) var(--container-padding);
  min-height: 64px;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--color-dark-green);
  flex-shrink: 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: 1.25rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
}

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

.site-header__toggle:hover {
  background-color: var(--color-cream-dark);
}

.site-header__toggle:focus-visible {
  outline: var(--outline-focus);
  outline-offset: var(--outline-offset);
}

.site-header__toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-dark-green);
  border-radius: 1px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
  transform: translateY(7px) 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(-7px) rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: center;
  flex-shrink: 1;
  min-width: 0;
}

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

.site-nav__item {
  margin: 0;
  padding: 0;
}

.site-nav__item + .site-nav__item {
  margin: 0;
}

.site-nav__link {
  display: inline-block;
  padding: var(--space-xs) 0;
  color: var(--color-dark-green);
  text-decoration: none;
  font-weight: 500;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.site-nav__link:hover {
  color: var(--color-muted-orange);
}

.site-nav__link:focus-visible {
  outline: var(--outline-focus);
  outline-offset: var(--outline-offset);
}

@media (max-width: 768px) {
  .site-header__inner {
    min-height: 56px;
  }

  .site-header__logo {
    width: 40px;
    height: 40px;
  }

  .site-header__brand-text {
    display: none;
  }

  .site-header__toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-cream);
    border-bottom: var(--border-walnut);
    box-shadow: var(--shadow-soft);
    max-height: calc(100vh - 100%);
    overflow-y: auto;
    display: none;
    padding: var(--space-md) var(--container-padding);
  }

  .site-nav[data-open] {
    display: block;
  }

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

  .site-nav__link {
    display: block;
    padding: var(--space-sm) 0;
    font-size: var(--text-h3);
    font-family: var(--font-heading);
  }
}