/* Kopfzeile: Wortmarke, Navigation, DE/EN, Theme, Menü (mobil). */

@keyframes mw-fade-down {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.site-header {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: flex-start;
  gap: 96px;
  max-width: calc(1440px * var(--hero-scale, 1));
  margin: 0 auto;
  padding: 44px var(--gutter) 24px;
  animation: mw-fade-down 0.8s var(--ease-out) both 0.1s;
}

/* Startseite: fest über dem Hero, damit die Navigation in beiden Hero-Phasen
   stehen bleibt. Unterhalb des Heros (is-scrolled, von home.js) bekommt sie eine
   Fläche, damit Inhalte darunter nicht durchscheinen. */
.page-home .site-header {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  padding-top: calc(44px * var(--hero-scale, 1));
  padding-left: calc(var(--gutter) * var(--hero-scale, 1));
  padding-right: calc(var(--gutter) * var(--hero-scale, 1));
  transition:
    padding 0.35s var(--ease-out),
    background-color 0.35s ease,
    box-shadow 0.35s ease;
}

.page-home .site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--hair);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.page-home .site-header.is-scrolled {
  padding-top: 18px;
  padding-bottom: 14px;
}

.page-home .site-header.is-scrolled::before {
  opacity: 1;
}

/* Gewachsene Bühne (home.js, Textabstände): Solange Inhalt unter den Header gehoben ist,
   bekommt er dieselbe Fläche - ohne die Größenänderung von is-scrolled. */
.page-home .site-header.is-lifted::before {
  opacity: 1;
}

.page-home .site-header.is-scrolled .site-wordmark {
  width: auto;
}

.page-sub .site-header {
  align-items: center;
  padding-bottom: 36px;
}

.page-sub .site-header::after {
  content: '';
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  bottom: 0;
  height: 1px;
  background: var(--hair);
}

.site-wordmark {
  flex: none;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.28em;
  line-height: 20px;
  color: var(--ink2);
}

.page-home .site-wordmark {
  width: 219px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.site-nav-list {
  display: flex;
  gap: 36px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 20px;
}

.site-nav-list a {
  color: var(--ink2);
}

.site-nav-list a:hover {
  color: var(--accent);
}

/* Anmeldestatus: rechts neben DE/EN und Theme, einzeilig. Er liegt außerhalb der
   Navigation, damit er deren Zeile nicht verschiebt; negativer Rand wie bei den
   Werkzeugen, damit die Kopfzeile nicht höher wird. */
.site-auth {
  display: flex;
  align-items: center;
  margin: -10px 0;
  padding: 0;
  list-style: none;
}

.page-home .site-auth {
  margin-left: -56px;
}

.site-auth:empty {
  display: none;
}

.site-tools {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: -12px 0;
}

.page-home .site-tools {
  margin-left: -60px;
}

.page-sub .site-tools {
  margin-left: auto;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--ink-subtle);
}

.lang-switch a {
  padding: 12px 6px;
  color: var(--ink-subtle);
  border-radius: 4px;
}

.lang-switch a:hover,
.lang-switch a.is-on {
  color: var(--ink2);
}

.lang-switch a.is-on {
  text-decoration: underline;
  text-underline-offset: 5px;
  text-decoration-thickness: 1.5px;
}

.menu-toggle {
  all: unset;
  display: none;
  box-sizing: border-box;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  color: var(--ink2);
}

.menu-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Anmeldestatus (von script.js befüllt) */
.auth-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  line-height: 1.3;
  color: var(--ink-muted);
}

/* Mit .site-auth präzisiert: script.js blendet ältere Stile ein (u. a. weiße Schrift). */
.site-auth .auth-status-content {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.site-auth .auth-icon {
  font-size: 14px;
  filter: none;
}

.site-auth .auth-info {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.site-auth .auth-company {
  color: var(--ink2);
  font-size: 12px;
  font-weight: 600;
  line-height: 20px;
}

.site-auth .auth-expiry {
  color: var(--ink-muted);
  font-size: 11px;
  line-height: 20px;
  opacity: 1;
}

.auth-logout {
  all: unset;
  cursor: pointer;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--ink2);
}

.auth-logout:hover {
  border-color: var(--ink2);
}

.auth-logout:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (max-width: 1180px) {
  .site-header {
    gap: 48px;
  }

  .site-nav,
  .site-nav-list {
    gap: 24px;
  }

  .page-home .site-tools,
  .page-home .site-auth {
    margin-left: 0;
  }

  /* Wenig Breite: Ablaufzeit weglassen, Firma und Abmelden bleiben. */
  .site-auth .auth-expiry {
    display: none;
  }
}

@media (max-width: 900px) {
  .site-header,
  .page-home .site-header {
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 20px 14px 12px 24px;
  }

  .page-home .site-wordmark,
  .site-wordmark {
    width: auto;
    font-size: 10px;
    letter-spacing: 0.2em;
    white-space: nowrap;
  }

  .page-sub .site-header::after {
    left: 24px;
    right: 24px;
  }

  .site-tools,
  .page-home .site-tools,
  .page-sub .site-tools {
    gap: 0;
    margin: 0;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    left: 12px;
    right: 12px;
    top: calc(100% + 4px);
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 12px 16px;
    border: 1px solid var(--hair);
    border-radius: 18px;
    background: var(--surface);
    box-shadow: 0 18px 40px rgba(13, 13, 13, 0.12);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition:
      opacity 0.2s,
      transform 0.2s,
      visibility 0s 0.2s;
  }

  .site-header.is-menu-open .site-nav {
    visibility: visible;
    opacity: 1;
    transform: none;
    transition:
      opacity 0.2s,
      transform 0.2s;
  }

  .site-nav-list {
    flex-direction: column;
    gap: 0;
    font-size: 16px;
  }

  .site-nav-list a {
    display: block;
    padding: 12px 4px;
  }

  /* Mobil: eigene schmale Zeile unter Wortmarke und Menü, ebenfalls einzeilig. */
  .site-header,
  .page-home .site-header {
    flex-wrap: wrap;
  }

  .site-auth,
  .page-home .site-auth {
    order: 3;
    flex-basis: 100%;
    margin: 4px 0 0;
  }

  .site-auth .auth-item {
    width: 100%;
  }

  .site-auth .auth-status-content {
    width: 100%;
  }

  .site-auth .auth-logout {
    margin-left: auto;
  }
}