.site-header {
  position: relative;
  z-index: 1000;
  background-color: var(--color-tiefes-tannengruen);
  border-bottom: 1px solid var(--color-border-champagne-subtle);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding-mobile);
  min-height: 72px;
}

@media (min-width: 768px) {
  .site-header__inner {
    padding-inline: var(--container-padding-desktop);
    min-height: 88px;
  }
}

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

.site-header__logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  display: block;
}

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

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

.site-header__brand-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--color-heading);
}

.site-header__brand-subtitle {
  font-size: var(--text-small-size);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.site-header__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-border-champagne-subtle);
  border-radius: var(--radius-1);
  color: var(--color-text-body);
  cursor: pointer;
  transition: background-color var(--transition-duration) var(--transition-ease),
    border-color var(--transition-duration) var(--transition-ease),
    color var(--transition-duration) var(--transition-ease);
}

.site-header__toggle:hover,
.site-header__toggle:focus-visible {
  background-color: rgba(245, 230, 211, 0.08);
  border-color: var(--color-kupferrot);
  color: var(--color-link-hover);
}

.site-header__toggle-icon,
.site-header__toggle-icon::before,
.site-header__toggle-icon::after {
  display: block;
  width: 20px;
  height: 2px;
  background-color: currentColor;
  border-radius: 1px;
  transition: transform var(--transition-duration) var(--transition-ease),
    opacity var(--transition-duration) var(--transition-ease);
}

.site-header__toggle-icon {
  position: relative;
}

.site-header__toggle-icon::before,
.site-header__toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.site-header__toggle-icon::before {
  top: -6px;
}

.site-header__toggle-icon::after {
  top: 6px;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon {
  background-color: transparent;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

.site-header__nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-tiefes-tannengruen);
  border-bottom: 1px solid var(--color-border-champagne-subtle);
  padding: var(--space-4) var(--container-padding-mobile);
  max-height: calc(100vh - 72px);
  overflow-y: auto;
  z-index: 999;
}

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

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

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

.site-header__nav-list a {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-body-size);
  color: var(--color-text-body);
  text-decoration: none;
  border-radius: var(--radius-1);
  transition: background-color var(--transition-duration) var(--transition-ease),
    color var(--transition-duration) var(--transition-ease);
}

.site-header__nav-list a:hover,
.site-header__nav-list a:focus-visible {
  background-color: var(--color-smaragd-hell);
  color: var(--color-link-hover);
}

.site-header__cta {
  margin-top: var(--space-3);
  width: 100%;
}

@media (min-width: 1024px) {
  .site-header__toggle {
    display: none;
  }

  .site-header__nav {
    display: flex;
    position: static;
    align-items: center;
    gap: var(--space-4);
    background: none;
    border: none;
    padding: 0;
    max-height: none;
    overflow: visible;
    z-index: auto;
  }

  .site-header__nav-list {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: var(--space-4);
    align-items: center;
  }

  .site-header__nav-list a {
    padding: var(--space-1) 0;
    font-size: var(--text-small-size);
    white-space: nowrap;
    position: relative;
  }

  .site-header__nav-list a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 2px;
    background-color: var(--color-kupferrot);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-duration) var(--transition-ease);
  }

  .site-header__nav-list a:hover::after,
  .site-header__nav-list a:focus-visible::after {
    transform: scaleX(1);
  }

  .site-header__cta {
    margin-top: 0;
    width: auto;
    flex-shrink: 0;
  }
}