.hero-section {
    color: white;
    padding: 100px 20px;
    text-align: center;
}

.search-box {
    max-width: 600px;
    margin: 0 auto;
}

/* Topic cards */
.topic-card {
  background-color: rgba(255, 255, 255, 0.95);
  border-radius: 10px;
  padding: 20px;
  margin: 10px;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.1rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* Control icon visibility */
.carousel-control-icon {
  font-size: 24px;
  opacity: 1 !important;
  border: 2px solid white;
}

.carousel-control-prev,
.carousel-control-next {
  width: auto;
  top: 50%;
  transform: translateY(-50%);
}