.course-details-section {
  background-color: rgba(0, 0, 0, 0.3);
  margin-bottom: 3rem;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 0 12px rgba(0, 255, 255, 0.15);
  animation: fadeInUp 0.6s ease both;
}

.course-details-section .section-title {
  font-size: 2rem;
  color: var(--magenta);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  text-align: center;
}

.course-details-section .section-subtitle {
  font-size: 1.1rem;
  color: var(--cyan);
  text-align: center;
  margin-bottom: 2rem;
}

.course-details-section .course-outline {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 700px;
  text-align: left;
}

.course-details-section .course-outline li {
  background: rgba(0, 0, 0, 0.2);
  margin-bottom: 0.7rem;
  padding: 1rem;
  border-left: 4px solid var(--cyan);
  border-radius: 6px;
  transition: background 0.3s ease;
}

.course-details-section .course-outline li:hover {
  background: rgba(0, 255, 255, 0.05);
}

.course-details-section .action-button {
  margin-top: 2rem;
  text-align: center;
}

.course-details-section .action-button .btn {
  background-color: var(--magenta);
  color: #fff;
  padding: 0.9rem 1.8rem;
  border-radius: 8px;
  font-weight: bold;
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 0 8px rgba(255, 0, 170, 0.3);
}

.course-details-section .action-button .btn:hover {
  background-color: var(--cyan);
  color: #000;
  box-shadow: 0 0 12px rgba(0, 255, 255, 0.5);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.course-details-section .course-banner {
  text-align: center;
  margin-bottom: 1.5rem;
}

.course-details-section .course-banner img {
  max-width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.2);
  transition: transform 0.3s ease;
}

.course-details-section .course-banner img:hover {
  transform: scale(1.03);
}