/* TwentyOne Apartments - Global Styles (shared across all pages) */

header {
      position: fixed;
      width: 100%;
      top: 0;
      background: var(--header-bg);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      z-index: 1000;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 5%;
      border-bottom: var(--header-border);
      box-sizing: border-box;
      transition: var(--transition);
    }

.logo {
      font-size: 1.5rem;
      font-weight: 700;
      letter-spacing: -0.5px;
      color: var(--text);
      text-decoration: none;
    }

nav ul {
      list-style: none;
      display: flex;
      gap: 30px;
      margin: 0;
      padding: 0;
    }

nav a {
      text-decoration: none;
      color: var(--text);
      font-weight: 500;
      transition: var(--transition);
      position: relative;
      padding: 5px 0;
    }

nav a:after {
      content: '';
      position: absolute;
      width: 0;
      height: 2px;
      bottom: 0;
      left: 0;
      background-color: var(--primary);
      transition: var(--transition);
    }

nav a:hover:after {
      width: 100%;
    }

.footer-content {
      max-width: 1200px;
      margin: auto;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 40px;
      text-align: left;
    }

.footer-column h3 {
      margin-top: 0;
      margin-bottom: 20px;
      font-size: 1.2rem;
    }

.footer-column ul {
      list-style: none;
      padding: 0;
    }

.footer-column li {
      margin-bottom: 10px;
    }

.footer-column a {
      color: var(--subtle);
      text-decoration: none;
      transition: var(--transition);
    }

.footer-column a:hover {
      color: var(--primary);
    }

.copyright {
      margin-top: 50px;
      color: var(--subtle);
      font-size: 0.9rem;
    }

.social-links {
      display: flex;
      gap: 15px;
      margin-top: 20px;
    }

.social-links a {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(176,196,222,0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      transition: var(--transition);
    }

.social-links a:hover {
      background: var(--primary);
      color: white;
      transform: translateY(-3px);
    }

.mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      color: var(--text);
      font-size: 1.5rem;
      cursor: pointer;
    }

.mobile-menu-btn:focus-visible {
      outline: 3px solid var(--primary, #B0C4DE);
      outline-offset: 2px;
      border-radius: 4px;
    }

:root {
      --primary: #B0C4DE;
      --primary-dark: #8BAACF;
      --secondary: #494c5a;
      --light: #f8f9fa;
      --text: #494c5a;
      --subtle: #868b9c;
      --bg: #ffffff;
      --card-bg: #ffffff;
      --card-shadow: 0 2px 10px rgba(0,0,0,0.1);
      --card-border: none;
      --header-bg: rgba(255,255,255,0.9);
      --header-border: 1px solid #ddd;
      --transition: all 0.3s ease;
      --input-bg: #f8f9fa;
      --input-border: 1px solid #ddd;
      --input-focus: #B0C4DE;
    }

/* Darkmode: zweiter Variablen-Satz, aktiviert über data-theme="dark" auf <html>.
   Die Akzentfarbe (--primary) bleibt bewusst gleich - nur Hintergrund/Text/Karten
   wechseln, damit die Marke wiedererkennbar bleibt. */
[data-theme="dark"] {
      --primary-dark: #9FB8D6;
      --text: #e6e7ec;
      --subtle: #a7abb8;
      --bg: #16171f;
      --card-bg: #21232e;
      --card-shadow: 0 2px 14px rgba(0,0,0,0.45);
      --card-border: 1px solid #2d2f3d;
      --header-bg: rgba(22,23,31,0.9);
      --header-border: 1px solid #2d2f3d;
      --input-bg: #1b1d27;
      --input-border: 1px solid #3a3d4d;
    }

body {
      margin: 0;
      padding: 0;
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      background: var(--bg);
      color: var(--text);
      transition: var(--transition);
      line-height: 1.6;
      overflow-x: hidden;
    }

footer {
      background: var(--card-bg);
      padding: 50px 5%;
      text-align: center;
      border-top: var(--card-border);
    }

@keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

.back-to-top {
      position: fixed;
      right: 22px;
      bottom: 22px;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      border: none;
      background: rgba(176,196,222,0.95);
      color: white;
      box-shadow: 0 6px 18px rgba(0,0,0,0.15);
      cursor: pointer;
      display: none;
      align-items: center;
      justify-content: center;
      z-index: 1100;
      transition: var(--transition);
    }

.back-to-top:hover { background: var(--primary-dark); transform: translateY(-2px); }

.back-to-top:focus-visible { outline: 3px solid white; outline-offset: 2px; box-shadow: 0 0 0 3px var(--primary-dark, #8BAACF); }

.back-to-top.show { display: flex; }

@media (max-width: 768px) {
  .mobile-menu-btn {
          display: block;
          position: absolute;
          top: 15px;
          right: 20px;
        }

  header {
          flex-direction: column;
          align-items: flex-start;
        }

  nav {
          width: 100%;
        }

  nav ul {
          display: none;
          flex-direction: column;
          width: 100%;
          padding: 10px 0;
        }

  nav ul.show {
          display: flex;
        }

}


/* Cookie-Consent-Banner */
#cookie-consent-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  background: var(--card-bg, #ffffff);
  border-top: 1px solid #ddd;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.12);
  padding: 18px 5%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transform: translateY(100%);
  transition: transform 0.35s ease;
}

#cookie-consent-banner.visible {
  transform: translateY(0);
}

.cookie-consent-text {
  flex: 1 1 480px;
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.5;
}

.cookie-consent-text a {
  color: var(--primary-dark, #8BAACF);
  text-decoration: underline;
}

.cookie-consent-buttons {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.cookie-btn {
  padding: 10px 20px;
  border-radius: 24px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: var(--transition, all 0.3s ease);
}

.cookie-btn-decline {
  background: transparent;
  border: 1.5px solid #ccc;
  color: var(--text);
}

.cookie-btn-decline:hover {
  border-color: var(--subtle, #868b9c);
}

.cookie-btn-accept {
  background: var(--primary, #B0C4DE);
  color: white;
}

.cookie-btn-accept:hover {
  background: var(--primary-dark, #8BAACF);
}

@media (max-width: 700px) {
  #cookie-consent-banner {
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px;
  }
  .cookie-consent-buttons {
    justify-content: stretch;
  }
  .cookie-btn {
    flex: 1;
    text-align: center;
  }
}

/* Sprachumschalter */
.lang-switcher-item {
  display: flex;
  align-items: center;
}

.language-switcher {
  display: flex;
  gap: 4px;
}

.lang-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--subtle);
  cursor: pointer;
  padding: 4px 11px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 0.82rem;
  transition: var(--transition);
}

.lang-btn:focus-visible {
  outline: 3px solid var(--primary, #B0C4DE);
  outline-offset: 2px;
}

.lang-btn:hover {
  color: var(--text);
  border-color: #ddd;
}

.lang-btn.active {
  color: white;
  background: var(--primary);
}

@media (max-width: 768px) {
  .lang-switcher-item {
    padding-top: 12px;
    margin-top: 6px;
    border-top: 1px solid #eee;
  }
}

/* Skip-Link für Tastatur-/Screenreader-Nutzer: unsichtbar, bis er per Tab fokussiert wird */
.skip-link {
  position: absolute;
  top: -100px;
  left: 10px;
  background: var(--primary, #B0C4DE);
  color: white;
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  z-index: 3000;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 10px;
}

/* Darkmode-Toggle */
.theme-toggle-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--subtle);
  cursor: pointer;
  padding: 4px 9px;
  border-radius: 14px;
  font-size: 0.95rem;
  transition: var(--transition);
  margin-left: 6px;
  display: inline-flex;
  align-items: center;
}

.theme-toggle-btn:hover {
  color: var(--text);
  border-color: #ddd;
}

.theme-toggle-btn:focus-visible {
  outline: 3px solid var(--primary, #B0C4DE);
  outline-offset: 2px;
}

[data-theme="dark"] .theme-toggle-btn:hover {
  border-color: #3a3d4d;
}
/* ============================================================
   RUNDGANG-VIDEO
   Nutzt die vorhandenen Farbvariablen, passt sich damit
   automatisch an Hell- und Dunkelmodus an.
   ============================================================ */

.apartment-video {
  margin: 50px 0;
}

.apartment-video-intro {
  color: var(--subtle);
  max-width: 620px;
  margin: 0 0 24px 0;
}

/* Rahmen haelt Player und Startflaeche zusammen und begrenzt die Hoehe */
.video-frame {
  position: relative;
  width: 100%;
  max-width: 900px;
  aspect-ratio: 1280 / 858;   /* echtes Seitenverhaeltnis der Datei */
  background: #000;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  border: var(--card-border);
}

.video-player {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

/* Startflaeche ueber dem Poster */
.video-start {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: none;
  cursor: pointer;
  font: inherit;
  color: #fff;
  /* dunkler Verlauf, damit die Schrift auf jedem Poster lesbar bleibt */
  background: linear-gradient(rgba(0,0,0,0.30), rgba(0,0,0,0.45));
  transition: var(--transition);
}

.video-start:hover,
.video-start:focus-visible {
  background: linear-gradient(rgba(0,0,0,0.20), rgba(0,0,0,0.35));
}

.video-start:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: -3px;
}

.video-start-icon {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  color: var(--primary-dark, #8BAACF);
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: 5px;            /* optischer Ausgleich des Dreiecks */
  box-sizing: border-box;
  transition: var(--transition);
}

.video-start:hover .video-start-icon,
.video-start:focus-visible .video-start-icon {
  transform: scale(1.08);
  background: #fff;
}

.video-start-label {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  text-shadow: 0 1px 6px rgba(0,0,0,0.4);
}

.video-start-meta {
  font-size: 0.85rem;
  opacity: 0.85;
  text-shadow: 0 1px 6px rgba(0,0,0,0.4);
}

/* Ohne JavaScript bleibt die Startflaeche wirkungslos - sie wird deshalb
   ausgeblendet, damit die nativen Bedienelemente erreichbar sind.
   Sobald app.js laeuft, setzt sie die Klasse js-ready und die Flaeche erscheint. */
.video-start { display: none; }
.js-ready .video-start { display: flex; }

/* Wird per JS gesetzt, sobald das Video laeuft */
.video-frame.is-playing .video-start {
  opacity: 0;
  pointer-events: none;
}

@media (max-width: 600px) {
  .video-start-icon { width: 62px; height: 62px; }
  .video-start-label { font-size: 1rem; }
  .video-frame { border-radius: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .video-start,
  .video-start-icon { transition: none; }
  .video-start:hover .video-start-icon { transform: none; }
}

/* Transparenzhinweis unter dem Video: bewusst zurueckhaltend,
   soll informieren, ohne vom Rundgang abzulenken. */
.video-note {
  max-width: 900px;
  margin: 12px 0 0 0;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--subtle);
}

/* ------------------------------------------------------------
   Optional: Hinweis auf der Apartment-Karte der Startseite,
   dass es zu diesem Apartment einen Rundgang gibt.
   ------------------------------------------------------------ */
.apartment-video-badge {
  display: inline-flex;
  align-self: flex-start;   /* verhindert, dass Flex-Container den Badge streckt */
  align-items: center;
  gap: 6px;
  background: rgba(176,196,222,0.18);
  color: var(--primary-dark, #8BAACF);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}

/* ============================================================
   Hinweis für Firmenkunden und Langzeitbuchungen
   Steht unter dem Apartment-Bereich. Bewusst ruhig gehalten:
   soll auffallen, aber nicht mit den Apartment-Karten konkurrieren.
   ============================================================ */
.business-note {
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
  margin: 110px 0 20px 0;  /* Abstand zu den Apartment-Karten darueber (deren Grid hat unten eigenen Abstand) */
  padding: 30px 34px;
  background: var(--card-bg);
  border: var(--card-border);
  border-radius: 20px;
  box-shadow: var(--card-shadow);
}

.business-note-icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(176,196,222,0.18);
  color: var(--primary-dark, #8BAACF);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.business-note-text {
  flex: 1 1 340px;
}

.business-note-text h3 {
  margin: 0 0 6px 0;
  font-size: 1.25rem;
}

.business-note-text p {
  margin: 0;
  color: var(--subtle);
  font-size: 0.97rem;
  line-height: 1.6;
}

.business-note-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.business-note-actions .btn {
  white-space: nowrap;
}

.business-note-link {
  color: var(--primary-dark, #8BAACF);
  font-size: 0.9rem;
  text-decoration: underline;
  transition: var(--transition);
}

.business-note-link:hover {
  color: var(--text);
}

@media (max-width: 720px) {
  .business-note {
    padding: 24px 22px;
    gap: 18px;
  }
  .business-note-icon {
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
  }
  .business-note-actions {
    width: 100%;
  }
  .business-note-actions .btn {
    width: 100%;
    text-align: center;
    box-sizing: border-box;
  }
}
