.custom-gallery {
  position: relative;
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
}

/* Main image */
.custom-gallery .main-img img {
  width: 100%;
}

/* Arrows */
.custom-gallery .gallery-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 28px;
  color: #ccc;
  cursor: pointer;
  transition: color 0.3s;
  user-select: none;
  z-index: 2;
}
.custom-gallery .gallery-arrow:hover {
  color: #578b75; /* your brand green */
}
.custom-gallery .gallery-arrow.prev {
  left: 20px;
}
.custom-gallery .gallery-arrow.next {
  right: 20px;
}

/* Thumbnails */
.custom-gallery .thumb-row {
  display: flex;
  justify-content: start;
  gap: 12px;
  margin-top: 15px;
}
.custom-gallery .thumb {
  display: block;
  width: 100px;
  height: 100px;
  overflow: hidden;
  border-radius: 6px;
  border: 1px solid #eaeaea;
  background: #f5f5f5;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
}
.custom-gallery .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.custom-gallery .thumb:hover {
  transform: scale(1.05);
  border-color: #4d8e8e;
}