#carousel30 {
  width: 100%;
  overflow: hidden;
  position: relative;
  margin: 3rem auto;
}

.carousel30-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.carousel30-track {
  display: flex;
  overflow-x: auto;
  scroll-behavior: smooth;
  gap: 1rem;
  padding: 1rem;
  scroll-snap-type: x mandatory;
}

.carousel30-track img {
  flex: 0 0 30%;
  scroll-snap-align: start;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.carousel30-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  background: rgba(0,0,0,0.5);
  color: white;
  font-size: 1rem;
  border: none;
  border-radius: 50%;
  padding: 0.5rem 1rem;
  cursor: pointer;
}

.carousel30-btn.prev { left: 10px; }
.carousel30-btn.next { right: 10px; }

@media (max-width: 768px) {
  .carousel30-track img {
    flex: 0 0 80%;
  }
  .carousel30-btn {
    font-size: 1rem;
  }
}