.product-img {
  width: 100%;
  max-width: 327px; 
  position: relative;
  overflow: hidden;
  border-radius: 15px;
}

.carousel {
  position: relative;
  width: 100%;
  /* remove fixed height */
}

.carousel-img {
  width: 100%;
  height: auto;       /* scale height based on width */
  object-fit: cover;
  display: none;
}

.carousel-img.active {
  display: block;
}


.arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;              /* icon size inside the circle */
  color: #fff;
  background-color: rgba(0,0,0,0.6); /* darker for visibility */
  border: none;
  border-radius: 50%;           /* makes it circular */
  cursor: pointer;
  width: 40px;                  /* circle width */
  height: 40px;                 /* circle height */
  display: flex;                /* center icon inside */
  align-items: center;          /* vertical center */
  justify-content: center;      /* horizontal center */
  z-index: 2;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.arrow:hover {
  background-color: rgba(0,0,0,0.9);
  transform: translateY(-50%) scale(1.1);
}


.arrow.left {
  left: 10px;
}

.arrow.right {
  right: 10px;
}