:root {
  /* Basis-Farben */
  --color-white: #ffffff;
  --color-black: #000000;

  /* Neutrale Grau- & Texttöne */
  --color-text-main: #444444;
  --color-text-heading: #505050;
  --color-link: #656565;
  --color-border-subtle: #707070;
  --color-footer-bg: #1F6157;

  /* Content-Hintergründe */
  --color-bg-grey: #F5F5F5;
}

* {
  box-sizing: border-box;
}

body {
  font-size: 100%;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  padding: 0;
  margin: 0;
  line-height: 1.5;
  background: var(--color-white);
  color: var(--color-text-main);
  hyphens: auto;
  -moz-hyphens: auto;
  -ms-hyphens: auto;
  -webkit-hyphens: auto;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.container {
  text-align: left;
  text-align: center;
}

hr {
  border: none;
  border-bottom: 1px solid var(--color-border-subtle);
  padding: 0;
  margin: 0;
}

h1,
h2,
h3,
h4 {
  font-weight: normal;
  color: var(--color-text-heading);
  margin: 0 0 1em 0;
  padding: 0;
  line-height: 1.5;
}

p {
  margin: 0 0 1rem 0;
  padding: 0;
}

/* CKEditor RTE Format: Kein Abstand danach */
p.no-spacing {
  margin: 0;
  padding: 0;
}

/* --- Seitenbereiche / Accesskeys --- */
.seitenbereiche {
  text-align: left;
  margin-top: 0.5em;
  padding-bottom: 0.5em;
}

.seitenbereiche a {
  text-decoration: none;
  color: var(--color-text-main);
  font-size: 90%;
}

.seitenbereiche ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.seitenbereiche ul li {
  display: inline-block;
}

.seitenbereiche ul li.punkt {
  border-left: 1px solid var(--color-border-subtle);
  margin-left: 0.75em;
  padding-left: 1.5em;
}

/* --- Header & Logos --- */
header {
  text-align: left;
  margin-top: 2.5em;
}

.logocontainer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
}

.sglogo {
  height: 6.5rem;
}

.landlogo {
  height: 6.5rem;
  margin-bottom: 0.5rem;
}

.burgermenubutton {
  display: none;
}

/* --- Hauptnavigation --- */
.mainnavi {
  position: relative;
}

.mainnavi:focus,
.mainnavi:hover {
  outline: none;
}

.mainnavi ul {
  padding: 0;
  margin: 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  position: relative;
}

.mainnavi li {
  position: relative;
}

/* Styling für Links und Menü-Buttons (<button class="menu-toggle-btn">) vereinheitlichen */
.mainnavi a,
.mainnavi button.menu-toggle-btn {
  font-family: inherit;
  font-size: 100%;
  color: var(--color-text-main);
  text-decoration: none;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  display: block;
  align-items: center;
  line-height: inherit;
  text-align: left;
}

.mainnavi a.active,
.mainnavi button.menu-toggle-btn.active {
  font-weight: bold;
  text-decoration: underline;
}

.mainnavi a:focus,
.mainnavi a:hover,
.mainnavi button.menu-toggle-btn:focus,
.mainnavi button.menu-toggle-btn:hover {
  text-decoration: underline;
}

.mainnavi a:focus-visible,
.mainnavi button.menu-toggle-btn:focus-visible {
  outline: 2px solid var(--color-border-subtle);
  outline-offset: 0.125rem;
}

/* Submenü Basis (Desktop) animiert */
.mainnavi .submenu ul {
  position: absolute;
  display: block;
  left: -1em;
  width: 18em;
  padding: 0 1em;
  background-color: var(--color-white);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  visibility: hidden;
  transition: max-height 0.3s ease-in-out, opacity 0.25s ease-in-out, visibility 0.3s, padding 0.3s;
}

/* Aufgeklapptes Submenü */
.mainnavi .submenu ul.expanded {
  max-height: 40rem;
  opacity: 1;
  visibility: visible;
  padding: 1em;
}

.mainnavi .submenu li {
  margin-bottom: 0.5em;
  margin-top: 0.5em;
}

/* Verschachteltes 2. Submenü */
.mainnavi .submenu ul ul {
  position: relative;
  left: 0;
  margin-left: 1em;
  width: 17em;
  padding: 0 0 0 1em;
  box-shadow: none;
}

.mainnavi .submenu ul ul.expanded {
  padding-bottom: 0;
  padding-top: 0;
}

.hassubmenu:after {
  content: "\025BE";
  color: var(--color-border-subtle);
}

.banner img {
  margin-top: 1em;
  width: 100%;
  margin-bottom: 0;
}


/* --- Breadcrumb Navigation --- */
.breadcrumb-nav {
  margin-top: 1.5rem;
  margin-bottom: 2rem;
}

.breadcrumb-nav ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.breadcrumb-nav li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  /* Etwas kleiner als der Fließtext */
}

.breadcrumb-nav li:not(:last-child)::after {
  content: ">";
  color: var(--color-border-subtle);
}

.breadcrumb-nav a {
  color: var(--color-link);
  text-decoration: none;
}

.breadcrumb-nav a:hover,
.breadcrumb-nav a:focus {
  text-decoration: underline;
}

.breadcrumb-nav span[aria-current="page"] {
  color: var(--color-text-main);
  font-weight: bold;
}

/* --- Layout Wrapper --- */
div.mainwidth {
  max-width: 60em;
  text-align: left;
  margin-left: auto;
  margin-right: auto;
  padding-left: 0.5em;
  padding-right: 0.5em;
}

main:hover,
main:focus {
  outline: none;
}

main a {
  color: var(--color-link);
}

main a:hover,
main a:focus {
  text-decoration: underline;
}

/* --- TYPO3 Frame-Klassen (aus page.tsconfig) --- */
.nobackground,
.nobackground_nsb,
.backgroundgrey {
  padding-top: 2em;
  padding-bottom: 2em;
}

.nobackground_nsb {
  padding-bottom: 0;
}

.nobackground_nstb {
  padding-top: 0;
  padding-bottom: 0;
}

.backgroundgrey {
  background-color: var(--color-bg-grey);
}

/* --- Footer --- */
footer {
  background-color: var(--color-footer-bg);
  color: var(--color-white);
  padding-top: 2em;
  padding-bottom: 2em;
}

.flex {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.footerleft,
.footerright {
  max-width: calc(50% - 2em);
  min-width: 10em;
}

.footerleft h2 {
  color: var(--color-white);
  font-size: 1rem;
}

.footerleft p {
  margin: 0;
  hyphens: none;
  -webkit-hyphens: none;
  -ms-hyphens: none;
  -moz-hyphens: none;
}

.footerright ul {
  margin: 0;
  padding: 0;
  text-align: right;
  list-style: none;
}

footer a {
  color: var(--color-white);
}


/* --- Editor Styles --- */
.ankuendigung {
  text-align: center;
  font-size: 1.5rem;
  margin-top: 1rem;
  margin-bottom: 1rem;
}


/* --- Bilder Spalten ---*/
/* --- Bilder Spalten (Final Grid) --- */
.ce-gallery {
  margin: 2rem 0;
  width: 100%;
}

/* TYPO3 Zentrierung (ce-outer / ce-inner) korrekt abfangen */
.ce-gallery .ce-outer {
  display: flex;
  justify-content: center;
  width: 100%;
}

.ce-gallery .ce-inner {
  width: 100%;
}

/* Das Grid - !important blockiert störende TYPO3-Standard-Styles */
ul.ce-row,
.ce-row {
  display: grid !important;
  gap: 3rem !important;
  width: 100% !important;
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
  justify-content: center !important;
  /* Zentriert das Grid als Ganzes */
}

/* Spaltenanzahl zwingend durchsetzen */
.ce-gallery[data-ce-columns="1"] .ce-row {
  grid-template-columns: 1fr !important;
}

.ce-gallery[data-ce-columns="2"] .ce-row {
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
}

.ce-gallery[data-ce-columns="3"] .ce-row {
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
}

.ce-gallery[data-ce-columns="4"] .ce-row {
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
}

.ce-gallery[data-ce-columns="5"] .ce-row {
  grid-template-columns: repeat(5, minmax(0, 1fr)) !important;
}

.ce-gallery[data-ce-columns="6"] .ce-row {
  grid-template-columns: repeat(6, minmax(0, 1fr)) !important;
}

/* Alle Container und Inhalte zwingend zentrieren */
li.ce-column,
.ce-column,
.ce-column .image,
.ce-column .image a {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100% !important;
  max-width: 100% !important;
}

/* Standard-Logos (mehrere Bilder) */
.ce-column .image-embed-item {
  max-width: 100% !important;
  width: auto !important;
  height: auto !important;
  max-height: 6rem !important;
  /* Begrenzt die Höhe der Logos */
  object-fit: contain !important;
  margin: 0 auto !important;
}


/* AUSNAHME: Einzelbild (z.B. Raumplan, Campusplan) */
/* 1. Grid zwingend auf 1 Spalte, damit das Element über die volle Breite zentriert wird */
.ce-gallery[data-ce-images="1"] .ce-row {
  grid-template-columns: 1fr !important;
}

/* 2. Höhenlimit aufheben */
.ce-gallery[data-ce-images="1"] .image-embed-item {
  max-height: none !important;
  width: 100% !important;
}

/* 3. Breite des Bildes anhand der TYPO3-Spaltenzahl simulieren */
.ce-gallery[data-ce-images="1"][data-ce-columns="1"] .image-embed-item {
  max-width: 100% !important;
}

.ce-gallery[data-ce-images="1"][data-ce-columns="2"] .image-embed-item {
  max-width: 50% !important;
}

.ce-gallery[data-ce-images="1"][data-ce-columns="3"] .image-embed-item {
  max-width: 33.33% !important;
}

.ce-gallery[data-ce-images="1"][data-ce-columns="4"] .image-embed-item {
  max-width: 25% !important;
}

.ce-gallery[data-ce-images="1"][data-ce-columns="5"] .image-embed-item {
  max-width: 20% !important;
}

.ce-gallery[data-ce-images="1"][data-ce-columns="6"] .image-embed-item {
  max-width: 16.66% !important;
}


/* --- Mobile Anpassungen --- */
@media (max-width: 48rem) {

  /* Mehrere Logos: Maximal 2 Spalten auf Tablets */
  .ce-gallery[data-ce-columns="3"] .ce-row,
  .ce-gallery[data-ce-columns="4"] .ce-row,
  .ce-gallery[data-ce-columns="5"] .ce-row,
  .ce-gallery[data-ce-columns="6"] .ce-row {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  /* Einzelbild: Darf auf dem Tablet maximal auf 50% (2 Spalten) schrumpfen */
  .ce-gallery[data-ce-images="1"][data-ce-columns="3"] .image-embed-item,
  .ce-gallery[data-ce-images="1"][data-ce-columns="4"] .image-embed-item,
  .ce-gallery[data-ce-images="1"][data-ce-columns="5"] .image-embed-item,
  .ce-gallery[data-ce-images="1"][data-ce-columns="6"] .image-embed-item {
    max-width: 50% !important;
  }
}

@media (max-width: 30rem) {

  /* Smartphones: Alles einspaltig */
  ul.ce-row,
  .ce-row {
    grid-template-columns: 1fr !important;
  }

  .ce-column .image-embed-item {
    max-height: none !important;
  }

  /* Einzelbild (Pläne): Auf dem Smartphone immer 100% Breite nutzen, damit lesbar */
  .ce-gallery[data-ce-images="1"] .image-embed-item {
    max-width: 100% !important;
  }
}

/* --- Media Queries --- */
@media (max-width: 67em) {
  .mainwidth {
    max-width: 53rem;
  }

  .sglogo,
  .landlogo {
    height: 5.42rem;
  }

  .seitenbereiche ul li {
    display: inline-block;
    margin: 0;
    padding: 0;
    font-size: 75%;
  }

  button.burgermenubutton {
    display: block;
    background: var(--color-white);
    border: none;
    padding: 0.25em;
    position: relative;
    float: right;
    right: 0;
    top: 0;
    cursor: pointer;
    z-index: 1000;
  }

  .burgermenubutton img {
    width: 2em;
    display: block;
  }

  .burgermenubutton:focus-visible {
    outline: 2px solid var(--color-border-subtle);
  }

  .burgermenubutton::-moz-focus-inner {
    border-style: none;
    padding: 0;
  }

  /* Mobile-Menü animiert */
  .mainnavi ul {
    display: block;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    padding: 0;
    margin: 0;
    list-style: none;
    position: relative;
    transition: max-height 0.35s ease-in-out, opacity 0.25s ease-in-out, visibility 0.35s;
  }

  /* Aufgeklapptes Mobile-Hauptmenü */
  .mainnavi ul.expandedbm {
    max-height: 80vh;
    overflow-y: auto;
    opacity: 1;
    visibility: visible;
  }

  .mainnavi li {
    position: relative;
    margin-bottom: 1rem;
  }

  .mainnavi a,
  .mainnavi button.menu-toggle-btn {
    color: var(--color-black);
    padding-right: 0;
    width: 100%;
    justify-content: space-between;
  }

  .mainnavi .submenu ul {
    position: relative;
    left: 0;
    width: 100%;
    box-shadow: none;
    padding-left: 1.5em;
    padding-right: 0;
  }

  .mainnavi .submenu li {
    margin-bottom: 0;
    margin-top: 1rem;
  }

  .mainnavi .submenu ul ul {
    position: relative;
    margin-left: 0.5em;
    width: 100%;
    padding-left: 1em;
  }
}

@media (max-width: 45em) {
  .mainwidth {
    max-width: 45rem;
  }

  .sglogo,
  .landlogo {
    height: 5rem;
  }
}

@media (max-width: 37em) {
  .mainwidth {
    max-width: 37rem;
  }
}

@media (max-width: 32em) {
  .mainwidth {
    max-width: 32rem;
  }

  .logocontainer {
    display: block;
    text-align: center;
  }

  h1 {
    font-size: 140%;
  }

  h2 {
    font-size: 120%;
  }

  h3 {
    font-size: 110%;
  }

  .mainnavi {
    min-height: 2em;
  }

  .flex {
    display: block;
  }

  .footerleft,
  .footerright {
    max-width: 100%;
  }
}

@media (max-width: 20rem) {
  .mainwidth {
    max-width: 20rem;
  }

  .seitenbereiche ul li {
    display: block;
    margin: 0;
    padding: 0;
    font-size: 75%;
    line-height: 100%;
  }

  .seitenbereiche ul li.punkt {
    background-image: none;
    margin-left: 0;
    padding-left: 0;
  }
}