/* Grundlayout */
* {
  box-sizing: border-box;
}

body {
  font-family: Helvetica, sans-serif;
  font-size: 1em;
  color: #333;
  line-height: 1.5;
  margin: 0;
  padding: 0;
  background: #fdf5e6; /* Cremefarbener Hintergrund */
}

/* Header, Navigation und Footer über gesamte Seitenbreite */
header,
footer,
nav {
  width: 100vw;
  max-width: 100%;
  margin: 0;
  padding: 1em;
}

header,
footer {
  background: #009999;
  color: white;
  text-align: center;
}

nav {
  background-color: #007777;
  border-radius: 0;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  padding: 0.5em 1em;
}

/* Responsive Wrapper für den Content */
.wrapper {
  width: 90%;
  max-width: 1400px;
  margin: 0 auto;
  background: white;
  padding: 1em;
}

/* Navigation */
nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5em;
  padding: 0;
  margin: 0;
}

nav ul li a {
  display: inline-block;
  font-weight: bold;
  font-size: 1.1em;
  text-transform: uppercase;
  color: #fff;
  text-decoration: none;
  padding: 0.6em 1.2em;
  border-radius: 5px;
  background: linear-gradient(135deg, #009999 0%, #007777 100%);
  box-shadow: 0 3px 6px rgba(0,0,0,0.2);
}

nav ul li a:hover,
nav ul li a:focus {
  background: linear-gradient(135deg, #00cccc 0%, #00aaaa 100%);
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0,170,170,0.5);
  outline: none;
}

nav ul li a:focus-visible {
  outline: 2px solid #00cccc;
  outline-offset: 3px;
}

/* Slogan / Untertitel */
.tagline {
  font-weight: bold;
  font-size: 1.2em;
  color: #154242;
  border-bottom: 3px solid;
  border-image: linear-gradient(to right, #00cccc, #007777) 1;
  padding-bottom: 0.2em;
  margin-top: 0.3em;
}

/* Haupt- und Unterinhalte */
.content_main {
  padding: 1em;
}

.content_sub {
  padding: 1em;
  background: #f0f0f0;
}

/* Faktenbereich */
.fakten-abschnitt details {
  margin-top: 1em;
  background: #f9f9f9;
  border: 1px solid #ccc;
  padding: 1em;
  border-radius: 8px;
  cursor: pointer;
}

.fakten-abschnitt summary {
  font-size: 1.1em;
  color: #006666;
  font-weight: bold;
  margin-bottom: 0.5em;
}

.fakten-abschnitt summary:hover {
  color: #009999;
}

.fakten-abschnitt ul {
  margin-top: 0.5em;
  padding-left: 1.2em;
}

/* Bilder */
.content-image {
  width: 80px;
  height: auto;
  display: block;
  margin: 0.5em auto;
  border-radius: 5px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  object-fit: cover;
  transition: transform 0.2s ease;
}

.content-image:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* Responsive Anpassungen */
@media (max-width: 768px) {
  .content-image {
    width: 120px;
    margin: 0.8em auto;
  }
}

@media (max-width: 600px) {
  nav ul {
    flex-direction: column;
    align-items: center;
    gap: 1em;
  }

  nav ul li a {
    width: 80%;
    text-align: center;
  }

  .wrapper {
    width: 95%;
    padding: 0.8em;
  }
}