/* =========================================================
   cloudnetz – Navigation
   Header, Dropdowns, Mobile-Menü, aktive Seite und Logo-Kontrast
   Aus style-v38.css modularisiert.
   ========================================================= */

header {
      position: sticky;
      top: 0;
      z-index: 20;
      backdrop-filter: blur(14px);
      background: var(--header-bg);
      border-bottom: 1px solid var(--border);
    }

    .site-announcement {
      position: relative;
      z-index: 60;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 34px;
      padding: 7px 20px;
      border-bottom: 1px solid rgba(56, 189, 248, .16);
      background: linear-gradient(90deg, #071426, #0a2d43, #071426);
      color: #bceffd;
      font-size: .76rem;
      font-weight: 700;
      letter-spacing: .03em;
      line-height: 1.35;
      text-align: center;
    }

    .site-announcement-pulse {
      width: 7px;
      height: 7px;
      flex: 0 0 auto;
      border-radius: 50%;
      background: #34d399;
      box-shadow: 0 0 12px rgba(52, 211, 153, .8);
      animation: cloudnetzAnnouncementPulse 2.2s ease-in-out infinite;
    }

    @keyframes cloudnetzAnnouncementPulse {
      50% { opacity: .45; box-shadow: 0 0 5px rgba(52, 211, 153, .4); }
    }

    .nav {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: flex;
      align-items: center;
      min-width: 0;
    }

    .brand-logo {
      display: block;
      width: 280px;
      max-width: 45vw;
      height: auto;
      filter: drop-shadow(0 0 18px rgba(0, 190, 255, .08));
    }

    nav {
      display: flex;
      gap: 24px;
      align-items: center;
      color: var(--muted);
      font-size: .95rem;
    }

    nav a:hover { color: var(--text); }

    .theme-toggle {
      border: 1px solid var(--border);
      background: var(--surface);
      color: var(--text);
      border-radius: 999px;
      padding: 9px 12px;
      cursor: pointer;
      box-shadow: var(--shadow);
    }

/* Mobile Navigation */
.mobile-menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 9px 12px;
  cursor: pointer;
  box-shadow: var(--shadow);
  font-size: 1.05rem;
  line-height: 1;
}

@media (max-width: 820px) {
  .site-announcement { font-size: .68rem; }

  .nav {
    position: relative;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  #mainNav {
    gap: 10px;
  }

  #mainNav > a {
    display: none;
  }

  #mainNav.is-open {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    z-index: 50;
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  #mainNav.is-open > a {
    display: block;
    padding: 12px 14px;
    border-radius: 12px;
    color: var(--text);
  }

  #mainNav.is-open > a:hover,
  #mainNav.is-open > a:focus-visible {
    background: var(--accent-soft);
    color: var(--accent);
  }

  #mainNav.is-open .mobile-menu-toggle,
  #mainNav.is-open .theme-toggle {
    position: absolute;
    top: -58px;
  }

  #mainNav.is-open .mobile-menu-toggle {
    right: 48px;
  }

  #mainNav.is-open .theme-toggle {
    right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-announcement-pulse { animation: none; }
}

/* Mobile-Menü: Desktop niemals anzeigen */
.mobile-menu-toggle {
  display: none !important;
}
@media (max-width: 820px) {
  .mobile-menu-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
  }
}


/* Zentrale Navigation mit Dropdowns */
.nav-dropdown {
  position: relative;
}
.nav-dropdown-toggle {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
  padding: 10px 0;
}
.nav-dropdown-toggle span {
  display: inline-block;
  margin-left: 3px;
  font-size: .75em;
  transition: transform .2s ease;
}
.nav-dropdown-menu {
  position: absolute;
  z-index: 100;
  top: calc(100% + 10px);
  left: -18px;
  min-width: 210px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}
.nav-dropdown-menu a {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  white-space: nowrap;
}
.nav-dropdown-menu a:hover,
.nav-dropdown-menu a:focus-visible {
  background: var(--accent-soft);
  color: var(--accent);
}
@media (min-width: 821px) {
  .nav-dropdown:hover .nav-dropdown-menu,
  .nav-dropdown:focus-within .nav-dropdown-menu,
  .nav-dropdown.is-open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}
@media (max-width: 820px) {
  .nav-dropdown {
    width: 100%;
  }
  .nav-dropdown-toggle {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .nav-dropdown-menu {
    position: static;
    min-width: 0;
    display: none;
    margin: 2px 0 8px 12px;
    padding: 4px 0 4px 12px;
    border: 0;
    border-left: 1px solid var(--border);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .nav-dropdown.is-open .nav-dropdown-menu {
    display: block;
  }
  .nav-dropdown.is-open .nav-dropdown-toggle span {
    transform: rotate(180deg);
  }
}


/* Navigation alignment fix: preserve original centered cloudnetz header */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav > nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
  margin-left: auto;
}

.nav .brand {
  flex: 0 0 auto;
}

.nav .theme-toggle,
.nav .mobile-menu-toggle {
  flex: 0 0 auto;
}

@media (max-width: 820px) {
  .nav > nav {
    margin-left: 0;
  }
}


/* Mobile Navigation Fix */
@media (max-width: 820px) {
  .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
  }

  .nav .brand {
    flex: 0 1 auto;
    min-width: 0;
  }

  .nav .brand-logo {
    max-width: 210px;
    width: 100%;
    height: auto;
  }

  .nav > nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 12px;
    right: 12px;
    z-index: 200;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin: 0;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .nav > nav.is-open,
  .nav > nav.mobile-open {
    display: flex;
  }

  .nav > nav > a,
  .nav-dropdown,
  .nav-dropdown-toggle {
    width: 100%;
  }

  .nav > nav > a,
  .nav-dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    border-radius: 12px;
  }

  .nav-dropdown-menu {
    width: 100%;
  }

  .mobile-menu-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    margin-left: auto;
  }

  .theme-toggle {
    flex: 0 0 auto;
  }
}


/* Mobile controls reliability */
.mobile-menu-toggle,
.theme-toggle,
.nav-dropdown-toggle {
  position: relative;
  z-index: 310;
  pointer-events: auto;
  cursor: pointer;
}

@media (max-width: 820px) {
  .nav {
    position: relative;
  }

  .nav > nav.mobile-open {
    display: flex !important;
  }

  .nav > nav:not(.mobile-open) {
    display: none !important;
  }

  .mobile-menu-toggle,
  .theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

/* =========================================================
   Logo-Kontrast im Lightmode
   Leichter Schatten für die weißen Bereiche von "cloud".
   Transparenz des Logos bleibt erhalten.
   ========================================================= */
html:not([data-theme="dark"]) .brand-logo,
html:not([data-theme="dark"]) .footer-logo,
html:not([data-theme="dark"]) .intro-logo {
  filter:
    drop-shadow(0 1px 1px rgba(15, 35, 55, .22))
    drop-shadow(0 3px 7px rgba(15, 35, 55, .12));
}

[data-theme="dark"] .brand-logo,
[data-theme="dark"] .footer-logo,
[data-theme="dark"] .intro-logo {
  filter: none;
}

/* =========================================================
   v37 – Navigation & CTA Feinschliff
   ========================================================= */

/* Aktive Seite in der zentralen Navigation */
body[data-page="home"] [data-nav="home"],
body[data-page="multistreaming"] [data-nav="multistreaming"],
body[data-page="funktionen"] [data-nav="funktionen"],
body[data-page="vorteile"] [data-nav="vorteile"],
body[data-page="tarife"] [data-nav="tarife"],
body[data-page="faq"] [data-nav="faq"],
body[data-page="projektstatus"] [data-nav="projektstatus"],
body[data-page="beta"] [data-nav="beta"],
body[data-page="ueber-uns"] [data-nav="ueber-uns"],
body[data-page="kontakt"] [data-nav="kontakt"] {
  color: var(--accent);
}

/* Dezente aktive Markierung nur bei normalen Navigationslinks */
body[data-page] #site-nav a[data-nav] {
  position: relative;
}

/* Aktive Seite wird ausschließlich über die Textfarbe markiert.
   Keine zusätzliche Punkt-Markierung unter Navigationslinks. */
body[data-page] #site-nav a[data-nav]::after {
  display: none;
}

/* Einheitlicher Fokus für Navigation und CTAs */
#site-nav a:focus-visible,
.btn:focus-visible,
.footer a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 8px;
}

#site-nav a[aria-current="page"] {
  color: var(--accent);
}

/* CTA-Hierarchie: Primärbutton bleibt dominant, Sekundärbutton ruhiger */
.btn:not(.btn-primary) {
  border-color: var(--border);
}

.btn:not(.btn-primary):hover {
  border-color: color-mix(in srgb, var(--accent) 34%, var(--border));
}

/* Mobile: aktive Markierung nicht als schwebender Punkt */
@media (max-width: 900px) {
  body[data-page] #site-nav a[data-nav]::after {
    display: none !important;
  }

  body[data-page="home"] [data-nav="home"],
  body[data-page="multistreaming"] [data-nav="multistreaming"],
  body[data-page="funktionen"] [data-nav="funktionen"],
  body[data-page="vorteile"] [data-nav="vorteile"],
  body[data-page="tarife"] [data-nav="tarife"],
  body[data-page="faq"] [data-nav="faq"],
  body[data-page="projektstatus"] [data-nav="projektstatus"],
  body[data-page="beta"] [data-nav="beta"],
  body[data-page="ueber-uns"] [data-nav="ueber-uns"],
  body[data-page="kontakt"] [data-nav="kontakt"] {
    background: var(--accent-soft);
  }
}


/* =========================================================
   v38 – Mobile Logo Fix
   Verhindert verfälschte Hintergrund-/Filterdarstellung
   im mobilen Header.
   ========================================================= */
@media (max-width: 820px) {
  .brand,
  .brand-logo {
    background: transparent !important;
  }

  .brand {
    box-shadow: none !important;
    filter: none !important;
  }

  .brand-logo {
    display: block;
    object-fit: contain;
    mix-blend-mode: normal !important;
    opacity: 1 !important;
    box-shadow: none !important;
  }

  /* Im Darkmode keinerlei zusätzlicher Filter auf das Header-Logo */
  [data-theme="dark"] .brand-logo {
    filter: none !important;
  }

  /* Im Lightmode nur der bereits gewünschte dezente Kontrast,
     ohne Farbverschiebung oder Hintergrundfläche */
  html:not([data-theme="dark"]) .brand-logo {
    filter:
      drop-shadow(0 1px 1px rgba(15, 35, 55, .18))
      drop-shadow(0 2px 5px rgba(15, 35, 55, .10)) !important;
    background: transparent !important;
  }
}

/* Kundenbereich-CTA im Header */
.customer-area-button {
  flex: 0 0 auto;
  white-space: nowrap;
}

@media (max-width: 820px) {
  .customer-area-button {
    min-height: 42px;
    padding-inline: 14px;
    font-size: .86rem;
  }
}