.course-section {
  background: linear-gradient(180deg, #f6f9fc 0%, #d7e0eb 100%);
  padding: 40px 0;
  text-align: center;
}

.course-section h2 {
  color: #147ebf;
  font-weight: 700;
  margin-bottom: 50px;
  font-size: 2rem;
}

.course-card {
  border: 2px solid rgba(0, 0, 0, 0.1); /* thicker border */
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  background-color: #fff;
}

.course-card:hover {
  border-color: #147ebf; /* highlight on hover */
  transform: translateY(-6px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.course-card img {
  width: 100%;
  height: 100px; /* reduced image height */
  object-fit: cover;
}

.course-card .card-body {
  padding: 20px;
}

.course-card .card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #147ebf;
  margin-bottom: 10px;
}

.course-card .card-text {
  color: #555;
  font-size: 0.9rem;
  min-height: 50px;
}

.course-details {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: #333;
  margin: 15px 0;
}

.join-btn {
  background-color: #147ebf;
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  transition: all 0.3s ease;
  width: 100%;
  font-weight: 600;
}

.join-btn:hover {
  background-color: #0f669a;
  transform: translateY(-2px);
}

/* CTA Button below cards */
.view-all-btn {
  background-color: #fa8e30;
  color: #fff;
  border: none;
  padding: 14px 30px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.3s ease;
  margin-top: 40px;
}

.view-all-btn:hover {
  background-color: #e47b24;
  transform: translateY(-3px);
}