.testimonial-container {
  overflow: hidden;
  position: relative;
}

.testimonial-row {
  display: flex;
  transition: transform 0.5s ease;
}

.testimonial-card {
  flex: 0 0 100%;
  padding: 15px;
  transition: all 0.3s ease;
}

.nav-button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.5);
  color: white;
  border: none;
  padding: 10px;
  cursor: pointer;
}

.nav-button.prev {
  left: 10px;
}

.nav-button.next {
  right: 10px;
}

@media (min-width: 768px) {
  .testimonial-card {
    flex: 0 0 50%;
  }
}

@media (min-width: 992px) {
  .testimonial-card {
    flex: 0 0 33.333%;
  }
}