.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(247, 243, 234, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2xs);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding-mobile);
  min-height: 64px;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3xs);
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
  min-width: 0;
}

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

.site-header__logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: var(--font-weight-heading);
  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;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.site-header__toggle:hover {
  background-color: color-mix(in srgb, var(--color-sandstone) 30%, transparent);
}

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

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

.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-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  flex-shrink: 0;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav-item {
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  display: inline-block;
  padding: var(--space-3xs) var(--space-2xs);
  font-size: var(--text-small-size);
  font-weight: var(--font-weight-body-medium);
  line-height: 1.2;
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

.site-header__nav-link:hover {
  color: var(--color-primary);
  background-color: color-mix(in srgb, var(--color-sandstone) 20%, transparent);
}

.site-header__nav-link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  box-shadow: var(--shadow-focus);
}

.site-header__cta {
  flex-shrink: 0;
}

@media (max-width: 991px) {
  .site-header__inner {
    min-height: 60px;
  }

  .site-header__toggle {
    display: flex;
  }

  .site-header__nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2xs);
    background-color: var(--color-background);
    padding: var(--space-xs);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    visibility: hidden;
    z-index: 999;
  }

  .site-header__nav.is-open {
    transform: translateX(0);
    visibility: visible;
    min-height: 50vh;
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3xs);
  }

  .site-header__nav-link {
    display: block;
    padding: var(--space-2xs);
    font-size: var(--text-body-size);
    text-align: center;
  }

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

@media (max-width: 480px) {
  .site-header__logo {
    width: 80px;
    height: 80px;
  }

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

@media (min-width: 992px) {
  .site-header__inner {
    min-height: 72px;
  }

  .site-header__logo {
    width: 36px;
    height: 36px;
  }

  .site-header__brand-text {
    font-size: 1.5rem;
  }

  .site-header__nav-list {
    gap: var(--space-xs);
  }

  .site-header__nav-link {
    font-size: var(--text-body-size);
    padding: var(--space-3xs) var(--space-2xs);
  }
}