.main {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 60px 20px;
  background-color: white;
  transition: background-color 0.3s ease;
}

.main h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  font-weight: 800;
  color: #2c3e50;
  text-align: center;
}

.main p {
  font-size: 1.2rem;
  color: #666;
  max-width: 600px;
  text-align: center;
  line-height: 1.6;
}

/* Dark Mode */
body.dark .main {
  background-color: #1a1a1a;
}

body.dark .main h1 {
  color: #ffffff;
}

body.dark .main p {
  color: #bbb;
}
.syllabus {
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: all 0.5s ease;
  margin: 20px 0;
  background: #f8f9fa;
  border-radius: 15px;
  padding: 0 20px;
  text-align: left;
}

.card.expanded .syllabus {
  opacity: 1;
  max-height: 250px;
  padding: 20px;
}