/* Basislayout */
body {
  font-family: system-ui, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: #1a1a1a;
  background-color: #ffffff;
}

/* Skip-Link sichtbar beim Fokus */
.visually-hidden {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: absolute;
  left: 1em;
  top: 1em;
  width: auto;
  height: auto;
  background: #ffbf47;
  color: #000;
  padding: 0.5em;
  z-index: 1000;
  font-weight: bold;
  text-decoration: none;
}

/* Hybridnavigation: Mobile + Desktop */

/* Mobiles Menü */
.mobile-menu {
  background: #f8f8f8;
  border-bottom: 1px solid #ddd;
  padding: 1em;
}

.mobile-menu summary {
  font-weight: bold;
  font-size: 1.2em;
  cursor: pointer;
  list-style: none;
}

.mobile-menu[open] summary::after {
  content: " ✕";
}

.mobile-menu summary::after {
  content: " ☰";
  float: right;
}

.mobile-menu nav ul,
.desktop-menu ul {
  list-style: none;
  margin: 1em 0;
  padding: 0;
}

.mobile-menu nav li,
.desktop-menu li {
  margin: 0.5em 0;
}

nav a {
  text-decoration: none;
  font-weight: bold;
  color: #333;
}

nav a:hover,
nav a:focus {
  color: #005b99;
  text-decoration: underline;
  outline: none;
}

nav a:focus {
  outline: 3px solid #ffbf47;
  outline-offset: 2px;
}

/* Sichtbarkeit */
.desktop-menu {
  display: none;
}

/* Desktop-Menü ab 700px */
@media (min-width: 700px) {
  .mobile-menu {
    display: none;
  }

  .desktop-menu {
    display: block;
    background: #f8f8f8;
    border-bottom: 1px solid #ddd;
  }

  .desktop-menu ul {
    display: flex;
    justify-content: center;
    gap: 2em;
    padding: 1em;
    margin: 0;
  }

  .desktop-menu li {
    margin: 0;
  }
}

/* Hero-Abschnitt */
.hero {
  background-color: #e5f3fa;
  padding: 4em 1em;
  text-align: center;
}

.hero h1 {
  margin: 0;
  font-size: 2em;
}

.hero p {
  font-size: 1.2em;
  margin-top: 0.5em;
}

/* Hauptinhalt */
main {
  max-width: 800px;
  margin: auto;
  padding: 2em 1em;
}

section {
  margin-bottom: 3em;
}

h2 {
  font-size: 1.5em;
  margin-bottom: 0.5em;
}

/* Formulare */
form {
  max-width: 600px;
}

input,
textarea,
button {
  width: 100%;
  padding: 0.6em;
  font-size: 1em;
  margin-bottom: 1em;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}

input:focus,
textarea:focus,
button:focus {
  outline: 3px solid #ffbf47;
  outline-offset: 2px;
}

/* Buttons */
button {
  background-color: #005b99;
  color: #fff;
  border: none;
  cursor: pointer;
}

button:hover,
button:focus {
  background-color: #003d66;
}

/* Footer */
footer {
  background-color: #f8f8f8;
  border-top: 1px solid #ccc;
  text-align: center;
  padding: 1em;
  font-size: 0.9em;
}

footer a {
  color: #333;
  text-decoration: none;
}

footer a:hover,
footer a:focus {
  text-decoration: underline;
  color: #000;
}