.hero-slider {
  position: relative;
  width: 100%;
  overflow: hidden; /* ẩn các slide tràn ra */
  background: #000;
}

.hero-slider .slides {
  display: flex;
  flex-direction: row;
  transition: transform 0.5s ease;
  width: 100%;
}

.hero-slider .slide {
  flex: 0 0 100%; /* mỗi slide chiếm toàn bộ khung */
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-slider .slide img {
  width: 100%;
  height: auto;
  object-fit: contain; /* giữ tỉ lệ ảnh, không crop */
  display: block;
}

.hero-slider .dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.hero-slider .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  opacity: 0.5;
  cursor: pointer;
}

.hero-slider .dot.active {
  opacity: 1;
}