.site-header {
  position: relative;
  z-index: 1000;
  background-color: var(--color-muschelweiss);
  border-bottom: 1px solid var(--color-border-light);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-3) var(--container-padding-mobile);
  min-height: 64px;
}

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

.site-header__logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  display: block;
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-header__brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-eukalyptusgruen);
  text-transform: uppercase;
}

.site-header__brand-subtitle {
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  color: var(--color-espresso);
  text-transform: uppercase;
}

.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: 1px solid var(--color-border-light);
  border-radius: var(--radius-small);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.site-header__toggle:hover {
  background-color: rgba(30, 77, 59, 0.05);
}

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

.site-header__toggle-line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-eukalyptusgruen);
  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-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-left: auto;
}

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

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

.site-header__nav-link {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-eukalyptusgruen);
  text-decoration: none;
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-aprikosenorange);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}

.site-header__nav-link:hover {
  color: var(--color-aprikosenorange);
}

.site-header__nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

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

@media (max-width: 1023px) {
  .site-header__inner {
    flex-wrap: wrap;
  }

  .site-header__toggle {
    display: flex;
  }

  .site-header__nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-muschelweiss);
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-subtle);
    padding: var(--space-4) var(--container-padding-mobile);
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    z-index: 1001;
  }

  .site-header__nav.is-open {
    display: flex;
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-header__nav-item {
    border-bottom: 1px solid var(--color-border-light);
  }

  .site-header__nav-link {
    display: block;
    padding: var(--space-3) 0;
    font-size: 1rem;
  }

  .site-header__cta {
    width: 100%;
    justify-content: center;
  }
}

@media (min-width: 1024px) {
  .site-header__inner {
    padding: var(--space-3) var(--container-padding-desktop);
  }
}