/* Bereichsumschalter web | media | ki und Querverweise auf die Schwesterseiten */

.header-actions {
  display: flex;
  align-items: center;
  gap: 30px;
}

.area-switch {
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .03);
}

.area-switch a {
  padding: 6px 13px;
  border-radius: 999px;
  color: var(--color-muted);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: lowercase;
  transition: color .2s ease, background .2s ease;
}

.area-switch a:hover,
.area-switch a:focus-visible {
  color: var(--color-white);
}

.area-switch a[aria-current="page"] {
  background: var(--color-green);
  color: var(--color-bg);
}

.area-switch a[data-area="media"]:hover,
.area-switch a[data-area="media"]:focus-visible {
  background: rgba(255, 122, 47, .16);
}

.area-switch a[data-area="ki"]:hover,
.area-switch a[data-area="ki"]:focus-visible {
  background: rgba(92, 140, 255, .16);
}

.area-band {
  padding-block: 44px;
  border-top: 1px solid var(--color-line);
}

.area-band-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.area-band p {
  max-width: 60ch;
  margin: 0;
  color: var(--color-muted);
}

.area-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.area-link {
  display: inline-flex;
  align-items: center;
  padding: 14px 20px;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  transition: background .2s ease, transform .2s ease;
}

.area-link:hover,
.area-link:focus-visible {
  transform: translateY(-2px);
}

.area-link img {
  width: 150px;
}

.area-link-media {
  border-color: rgba(255, 122, 47, .5);
}

.area-link-media:hover,
.area-link-media:focus-visible {
  background: rgba(255, 122, 47, .1);
}

.area-link-ki {
  border-color: rgba(92, 140, 255, .5);
}

.area-link-ki:hover,
.area-link-ki:focus-visible {
  background: rgba(92, 140, 255, .1);
}

@media (max-width: 768px) {
  .header-actions {
    gap: 12px;
  }

  .brand img {
    width: 150px;
  }

  /* Linien dicht stapeln, damit sie sich beim Öffnen zum X kreuzen */
  .nav-toggle {
    align-content: center;
    gap: 5px;
  }
}

@media (max-width: 400px) {
  .brand img {
    width: 128px;
  }

  .area-switch a {
    padding: 6px 10px;
  }
}

/* Der zusätzliche Umschalter benötigt auf Tablets ein kompaktes Menü. */
.brand, .header-actions { flex-shrink: 0; }
@media (min-width: 769px) and (max-width: 1100px) {
  .header-actions { gap: 12px; }
  .brand img { width: 150px; }
  .nav-toggle {
    position: relative;
    z-index: 120;
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid var(--color-line);
    border-radius: 4px;
    background: rgba(255, 255, 255, .03);
    color: var(--color-white);
    cursor: pointer;
  }

  .nav-toggle span:not(.sr-only) {
    display: block;
    width: 18px;
    height: 1px;
    background: currentColor;
    transition: transform .2s ease, opacity .2s ease;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: grid;
    align-content: start;
    gap: 0;
    padding: 16px 20px 28px;
    border-bottom: 1px solid rgba(46, 187, 46, .24);
    background: rgba(8, 11, 13, .98);
    transform: translateY(-130%);
    transition: transform .24s ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
  }

  .site-nav a {
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    font-size: .9rem;
  }

  .nav-toggle { align-content: center; gap: 5px; }
}

@media (max-width: 400px) {
  .header-inner { gap: 10px; }
  .header-actions { gap: 8px; }
  .brand img { width: clamp(88px, calc(100vw - 232px), 128px); }
  .area-switch a { padding-inline: 8px; }
}