/* =========================================================================
   Konfuzius-Institut München – Kopfbereich, Navigation, Spalten, Akkordeon
   Wird nach Bootstrap 3 und myStyles.css geladen. Eigene Klassen mit "k-",
   damit bestehende Inhalte unverändert bleiben.
   ========================================================================= */

:root {
  --k-red: #b6111f;
  --k-red-dark: #8f0c18;
  --k-red-light: #fbeaec;
  --k-text: #222;
  --k-muted: #555;
  --k-line: #e3e3e3;
  --k-bg-soft: #f6f4f3;
  --k-white: #fff;
  --k-focus: #1a5fb4;
  --k-radius: 6px;
  --k-container: 1170px;
  --k-gap: clamp(16px, 3vw, 32px);
  --k-shadow: 0 8px 24px rgba(0, 0, 0, .12);
  --k-touch: 44px;
  /* Hinweis: Bootstrap 3 setzt html{font-size:10px}, deshalb hier px statt rem */
  --k-text-size: 16px;                 /* = Fließtext (body in myStyles.css) */
  --k-nav-size: var(--k-text-size);    /* Navigation, alle Ebenen */
  --k-phone-size: var(--k-text-size);  /* Telefonnummer oben */
  --k-lang-size: var(--k-text-size);   /* Sprachumschaltung */
}

/* ---------- Hilfsklassen ------------------------------------------------- */

.k-visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.k-container {
  max-width: var(--k-container);
  margin: 0 auto;
  padding: 0 15px;
}

/* Deutlich sichtbarer Fokus für Tastaturbedienung (WCAG 2.4.7 / 2.4.11) */
.k-header a:focus-visible,
.k-header button:focus-visible,
.k-breadcrumb a:focus-visible,
.k-accordion__trigger:focus-visible,
.k-to-top:focus-visible,
.k-skip-link:focus-visible {
  outline: 3px solid var(--k-focus);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px var(--k-white);
}

#k-top:focus,
.k-main:focus {
  outline: none;
}

/* ---------- Skip-Link ------------------------------------------------------ */

.k-skip-link {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 1000;
  padding: 12px 16px;
  background: var(--k-white);
  color: var(--k-red);
  font-weight: 700;
  border-radius: var(--k-radius);
  box-shadow: var(--k-shadow);
  transform: translateY(-150%);
}

.k-skip-link:focus {
  transform: none;
  text-decoration: underline;
}

/* ---------- Kopfzeile ------------------------------------------------------ */

.k-header {
  background: var(--k-white);
  position: relative;
  z-index: 100;
}

.k-topbar {
  background: var(--k-bg-soft);
  font-size: 17px;
}

.k-topbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 4px 20px;
  min-height: var(--k-touch);
}

.k-topbar__phone {
  margin: 0 auto 0 0;
  font-size: var(--k-phone-size);
  line-height: 1.4;
}

.k-topbar__phone a {
  color: var(--k-text);
  text-decoration: none;
}

.k-topbar__phone a:hover {
  color: var(--k-red);
  text-decoration: underline;
}

/* Social Media */
.k-social {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.k-social__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--k-touch);
  height: var(--k-touch);
  color: var(--k-muted);
  border-radius: 50%;
  transition: color .15s, background-color .15s;
}

.k-social__link:hover {
  color: var(--k-white);
  background: var(--k-red);
}

/* Sprachumschalter */
.k-lang__list {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
}

.k-lang__link {
  display: inline-flex;
  align-items: center;
  min-height: var(--k-touch);
  padding: 0 12px;
  font-size: var(--k-lang-size);
  color: var(--k-text);
  text-decoration: none;
}

.k-lang__link:hover {
  color: var(--k-red);
  text-decoration: none;
}

.k-lang__link[aria-current="true"] {
  font-weight: 700;
  color: var(--k-red);
}

/* Sprachumschalter im Menü nur mobil, oben nur auf dem Desktop */
.k-lang--nav {
  display: none;
}

/* Logo + Menü-Schalter */
.k-header__main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 28px;
  padding-bottom: 28px;
}

.k-logo {
  display: block;
  width: 380px;
  max-width: 70vw;
  line-height: 0;
}

.k-logo p {
  margin: 0;
}

.k-logo .frame,
.k-logo .ce-gallery,
.k-logo .ce-outer,
.k-logo .ce-inner,
.k-logo .ce-row,
.k-logo .ce-column,
.k-logo figure {
  margin: 0;
  padding: 0;
  float: none;
}

.k-logo__img,
.k-logo img {
  width: 100%;
  height: auto;
}

.k-nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  min-height: var(--k-touch);
  padding: 0 16px;
  font: inherit;
  font-weight: 700;
  color: var(--k-white);
  background: var(--k-red);
  border: 0;
  border-radius: var(--k-radius);
  cursor: pointer;
}

.k-js .k-nav-toggle {
  display: inline-flex;
}

.k-nav-toggle:hover {
  background: var(--k-red-dark);
}

.k-nav-toggle__icon {
  position: relative;
  width: 22px;
  height: 16px;
}

.k-nav-toggle__icon::before,
.k-nav-toggle__icon::after,
.k-nav-toggle__icon span {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform .2s, opacity .2s;
}

.k-nav-toggle__icon::before { top: 0; }
.k-nav-toggle__icon span { top: 7px; }
.k-nav-toggle__icon::after { bottom: 0; }

.k-nav-toggle[aria-expanded="true"] .k-nav-toggle__icon::before { transform: translateY(7px) rotate(45deg); }
.k-nav-toggle[aria-expanded="true"] .k-nav-toggle__icon span { opacity: 0; }
.k-nav-toggle[aria-expanded="true"] .k-nav-toggle__icon::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Navigation: gemeinsam ------------------------------------------ */

.k-nav {
  background: var(--k-red);
  color: var(--k-white);
}

.k-nav__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.k-nav__row {
  display: flex;
  align-items: stretch;
}

.k-nav__link {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  min-height: var(--k-touch);
  padding: 8px 16px;
  color: var(--k-white);
  text-decoration: none;
  line-height: 1.3;
}

.k-nav a.k-nav__link:hover,
.k-nav a.k-nav__link:focus {
  color: var(--k-white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.k-nav__link[aria-current="page"] {
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.k-nav__sub-toggle {
  flex: 0 0 var(--k-touch);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--k-touch);
  padding: 0;
  color: inherit;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.k-nav__sub-toggle svg {
  transition: transform .2s;
}

.k-nav__sub-toggle[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

/* Ohne JavaScript keine (funktionslosen) Schalter anzeigen */
html:not(.k-js) .k-nav__sub-toggle {
  display: none;
}

/* Ebene 3 immer sichtbar, eingerückt */
.k-nav__list--l3 .k-nav__link {
  padding-left: 32px;
  font-size: 17px;
}

/* ---------- Navigation: mobil (< 992 px) ----------------------------------- */

@media (max-width: 991.98px) {
  .k-nav {
    border-top: 1px solid rgba(255, 255, 255, .25);
  }

  /* Eingeklappt nur, wenn JavaScript läuft – sonst bleibt alles erreichbar */
  .k-js .k-nav {
    display: none;
  }

  .k-js .k-nav.is-open {
    display: block;
  }

  .k-nav > .k-container {
    padding: 0;
  }

  .k-nav__item--l1 {
    border-bottom: 1px solid rgba(255, 255, 255, .2);
  }

  .k-nav__link {
    font-size: var(--k-nav-size);
    min-height: 52px;
  }

  .k-nav__item--l1 > .k-nav__row > .k-nav__link {
    font-size: var(--k-nav-size);
    font-weight: 500;
    padding-left: 20px;
  }

  .k-nav__sub-toggle {
    flex-basis: 56px;
    min-height: 52px;
  }

  .k-nav__sub-toggle svg {
    width: 26px;
    height: 26px;
  }

  /* Sprachumschalter: oben ausblenden, im Menü anzeigen */
  .k-lang--top {
    display: none;
  }

  .k-lang--nav {
    display: block;
    padding: 8px 0 16px;
  }

  .k-lang--nav .k-lang__list {
    gap: 8px;
    padding: 0 20px;
  }

  .k-lang--nav .k-lang__link {
    min-height: 52px;
    padding: 0 16px;
    font-size: var(--k-lang-size);
    color: var(--k-white);
    border: 1px solid rgba(255, 255, 255, .6);
    border-radius: var(--k-radius);
  }

  .k-lang--nav .k-lang__link:hover,
  .k-lang--nav .k-lang__link:focus {
    color: var(--k-red);
    background: var(--k-white);
  }

  .k-lang--nav .k-lang__link[aria-current="true"] {
    color: var(--k-red);
    background: var(--k-white);
  }

  .k-nav-toggle {
    font-size: 18px;
  }

  .k-logo {
    width: 280px;
    max-width: 62vw;
  }

  .k-header__main {
    padding-top: 20px;
    padding-bottom: 20px;
  }

  .k-nav__sub-toggle {
    border-left: 1px solid rgba(255, 255, 255, .2);
  }

  .k-nav__sub--l1 {
    background: var(--k-red-dark);
  }

  .k-js .k-nav__sub--l1 {
    display: none;
  }

  .k-js .k-nav__sub--l1.is-open {
    display: block;
  }

  .k-nav__list--l2 .k-nav__link {
    padding-left: 32px;
    font-size: var(--k-nav-size);
  }

  .k-nav__list--l3 .k-nav__link {
    padding-left: 52px;
    font-size: var(--k-nav-size);
    min-height: 52px;
  }

  /* Telefon und Social Media in einer Zeile, gut lesbar */
  .k-topbar__inner {
    justify-content: space-between;
  }

  .k-topbar__phone {
    margin-right: 0;
    font-size: var(--k-phone-size);
  }
}

/* ---------- Navigation: Desktop (>= 992 px) -------------------------------- */

@media (min-width: 992px) {
  .k-js .k-nav-toggle {
    display: none;
  }


  .k-nav {
    box-shadow: 0 6px 18px rgba(50, 50, 50, .25);
  }

  .k-nav__list--l1 {
    display: flex;
    flex-wrap: wrap;
  }

  .k-nav__item--l1 {
    position: relative;
  }

  .k-nav > .k-container {
    max-width: 1320px;
  }

  .k-nav__item--l1 > .k-nav__row > .k-nav__link {
    padding: 14px 2px 14px 12px;
    font-size: var(--k-nav-size);
    font-weight: 500;
  }

  .k-nav__item--l1:not(.has-children) > .k-nav__row > .k-nav__link {
    padding-right: 12px;
  }

  .k-nav__list--l1 {
    justify-content: center;
  }

  .k-nav__item--l1.is-active > .k-nav__row {
    box-shadow: inset 0 -4px 0 var(--k-white);
  }

  .k-nav__sub-toggle {
    flex-basis: 28px;
  }

  .k-nav__sub--l1 {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 300px;
    max-width: 420px;
    padding: 8px 0;
    background: var(--k-white);
    border-radius: 0 0 var(--k-radius) var(--k-radius);
    box-shadow: var(--k-shadow);
  }

  .k-nav__sub--l1.is-open,
  html:not(.k-js) .k-nav__item--l1:hover > .k-nav__sub--l1,
  html:not(.k-js) .k-nav__item--l1:focus-within > .k-nav__sub--l1 {
    display: block;
  }

  .k-nav__item--l1:last-child > .k-nav__sub--l1,
  .k-nav__item--l1:nth-last-child(2) > .k-nav__sub--l1 {
    left: auto;
    right: 0;
  }

  .k-nav__sub .k-nav__link {
    color: var(--k-text);
    padding: 8px 20px;
    font-size: var(--k-nav-size);
  }

  .k-nav__sub a.k-nav__link:hover,
  .k-nav__sub a.k-nav__link:focus {
    color: var(--k-red);
    background: var(--k-red-light);
  }

  .k-nav__sub .k-nav__link[aria-current="page"] {
    color: var(--k-red);
  }

  .k-nav__sub .k-nav__list--l3 {
    margin: 0 20px 4px 24px;
    border-left: 2px solid var(--k-line);
  }

  .k-nav__sub .k-nav__list--l3 .k-nav__link {
    min-height: 40px;
    padding: 6px 16px;
    font-size: var(--k-nav-size);
    color: var(--k-muted);
  }
}

/* ---------- Brotkrumen ----------------------------------------------------- */

.k-breadcrumb {
  background: #f3efee;
  font-size: 15px;
}

.k-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 12px 0;
  list-style: none;
}

.k-breadcrumb__item:not(:last-child)::after {
  content: "›";
  padding: 0 8px;
  color: var(--k-muted);
}

.k-breadcrumb a {
  color: var(--k-red);
}

.k-breadcrumb [aria-current="page"] {
  color: var(--k-text);
}

/* ---------- Seitenspalten (Backend-Layout "2 Spalten") --------------------- */

.k-page-cols {
  display: grid;
  gap: var(--k-gap);
}

@media (min-width: 768px) {
  .k-page-cols {
    grid-template-columns: 2fr 1fr;
  }
}

/* ---------- Container-Element: Spalten ------------------------------------- */

.k-grid {
  display: grid;
  gap: var(--k-gap);
  grid-template-columns: 1fr;
}

.k-grid__col {
  min-width: 0;
}

@media (min-width: 768px) {
  .k-grid--2,
  .k-grid--ratio-6-6 { grid-template-columns: 1fr 1fr; }
  .k-grid--ratio-8-4 { grid-template-columns: 2fr 1fr; }
  .k-grid--ratio-4-8 { grid-template-columns: 1fr 2fr; }
  .k-grid--ratio-9-3 { grid-template-columns: 3fr 1fr; }
  .k-grid--ratio-3-9 { grid-template-columns: 1fr 3fr; }
  .k-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .k-grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
  .k-grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Container-Element: Akkordeon ----------------------------------- */

.k-accordion {
  border-top: 1px solid var(--k-line);
}

.k-accordion__item {
  border-bottom: 1px solid var(--k-line);
}

.k-accordion__heading {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 18px;
}

.k-accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  min-height: var(--k-touch);
  padding: 14px 8px;
  font: inherit;
  font-weight: 500;
  text-align: left;
  color: var(--k-text);
  background: transparent;
  border: 0;
  cursor: pointer;
}

.k-accordion__trigger:hover {
  color: var(--k-red);
}

.k-accordion__trigger[aria-expanded="true"] {
  color: var(--k-red);
}

.k-accordion__icon {
  flex: 0 0 auto;
  transition: transform .2s;
}

.k-accordion__trigger[aria-expanded="true"] .k-accordion__icon {
  transform: rotate(180deg);
}

.k-accordion__panel {
  padding: 0 8px 16px;
}

/* Überschrift des Inhaltselements steht schon im Schalter */
.k-accordion__panel > .frame > header:first-child {
  display: none;
}

/* ---------- Fußbereich / Nach oben ----------------------------------------- */

.k-nav .k-lang__link:focus-visible {
  outline: 3px solid var(--k-white);
  outline-offset: 2px;
  box-shadow: none;
}

.k-footer a:focus-visible {
  outline: 3px solid var(--k-white);
  outline-offset: 2px;
}

.k-to-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--k-touch);
  height: var(--k-touch);
  color: var(--k-white);
  background: var(--k-red);
  border-radius: 50%;
  box-shadow: var(--k-shadow);
  transition: opacity .2s, visibility .2s;
}

.k-to-top:hover {
  color: var(--k-white);
  background: var(--k-red-dark);
}

.k-to-top.is-hidden {
  opacity: 0;
  visibility: hidden;
}

/* ---------- Bewegung reduzieren -------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Druck ---------------------------------------------------------- */

@media print {
  .k-topbar,
  .k-nav,
  .k-nav-toggle,
  .k-to-top,
  .k-skip-link {
    display: none !important;
  }

  .k-accordion__panel[hidden] {
    display: block !important;
  }
}