body {
  font-family: 'PT Sans', Arial, sans-serif;
  background-color: #fff;
  color: #000;
  margin: 0;
  line-height: 1.6;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fff;
  border-bottom: 2px solid #b00;
  padding: 0.5rem 1rem;
}

.burger {
  font-size: 2rem;
  background: none;
  border: none;
  cursor: pointer;
  color: #b00;
}
.burger:focus {
  outline: 3px solid #000;
}

.logo img {
  max-height: 60px;
  width: auto;
  height: auto;
}

nav {
  display: none; /* standardmäßig unsichtbar */
  position: fixed;
  top: 0;
  left: 0;
  width: 250px;
  height: 100%;
  background: #f5f5f5;
  box-shadow: 2px 0 5px rgba(0,0,0,0.3);
  padding: 2rem 1rem;
  z-index: 1000;
}
nav.open {
  display: block; /* sichtbar wenn aktiv */
}
nav ul {
  list-style: none;
  padding: 0;
  margin: 3rem 0 0 0; /* Platz für Schließen-Button */
}
nav li {
  margin: 0.5rem 0;
}
nav a {
  color: #000;
  text-decoration: none;
  font-size: 1rem;
}
nav a:focus,
nav a:hover {
  text-decoration: underline;
}

/* Schließen-Button */
.close-menu {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: #b00;
}
.close-menu:focus {
  outline: 3px solid #000;
}


main {
  padding: 1.5rem;
  max-width: 900px;
  margin: auto;
}

h1 {
  font-size: 2rem;
  margin-top: 2rem;
  border-bottom: 2px solid #b00;
  padding-bottom: 0.3rem;
}

h3 {
  font-size: 1.3rem;
  margin-top: 1.2rem;
  color: #b00;
}

footer {
  background: #f5f5f5;
  padding: 1rem;
  text-align: center;
  border-top: 2px solid #b00;
  font-size: 0.9rem;
}

footer a {
  color: #000;
  margin: 0 1rem;
  text-decoration: none;
}
footer a:hover,
footer a:focus {
  text-decoration: underline;
}