/* Grundlayout und Sommerfarben */
body {
  font-family: "Segoe UI", sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(to bottom right, #fefbd8, #dff9fb);
  color: #333;
}

header {
  background-color: #ffeaa7;
  padding: 2rem;
  text-align: center;
}

h1 {
  margin: 0;
  font-size: 2.5rem;
  color: #2d3436;
}

.subline {
  font-size: 1.2rem;
  color: #636e72;
}

/* Button-Stil */
.button {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.8rem 1.5rem;
  background-color: #00cec9;
  color: white;
  text-decoration: none;
  font-weight: bold;
  border-radius: 8px;
  transition: background 0.3s;
}

.button:hover {
  background-color: #0984e3;
}

/* Footer */
footer {
  background-color: #ffeaa7;
  padding: 1rem;
  text-align: center;
  font-size: 0.9rem;
  color: #636e72;
}

/* Introtext-Stil */
.intro {
  font-size: 1.1rem;
  line-height: 1.6;
}

/* Zweispaltiges Layout */
.zweispaltig {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  padding: 2rem;
}

.hauptbereich {
  flex: 1 1 66%;
  min-width: 300px;
}

.sidebar {
  flex: 1 1 32%;
  min-width: 250px;
  background-color: #ffeaa7;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.sidebar h2,
.sidebar h3 {
  margin-top: 0;
}

.sidebar ul {
  padding-left: 1.2rem;
  list-style: disc;
}

/* RESPONSIVE: Untereinander bei schmalen Bildschirmen */
@media (max-width: 768px) {
  .zweispaltig {
    flex-direction: column;
  }

  .hauptbereich,
  .sidebar {
    flex: 1 1 100%;
  }
}