.course-card {
  background: var(--card-background);
  border-radius: var(--border-radius);
  border: none;
  overflow: hidden;
  position: relative;
  transition: var(--transition);
  height: 100%;
  box-shadow: var(--shadow-sm);
}

.course-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at top right,
    rgba(255, 255, 255, 0.8),
    transparent 70%
  );
  opacity: 0;
  transition: var(--transition);
}

.course-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.course-card:hover::before {
  opacity: 1;
}

.course-card .card-body {
  padding: 2rem;
  position: relative;
  z-index: 1;
}

.course-card .card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
  color: var(--primary-color);
}

.course-card .card-text {
  color: var(--secondary-color);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}