/* ============================================
   BLSP Banner – 3D Carousel (chuẩn tâm + drag)
   ============================================ */

.blsp-banner-wrapper {
  position: relative;
  width: 100%;
  min-height: 480px;
  padding: 60px 0;
  background-size: cover;
  background-position: center;
  overflow: hidden;
  text-align: center;
  color: #fff;
  perspective: 1100px;
}

/* Overlay nền */
.blsp-banner-wrapper .blsp-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.28);
  z-index: 1;
}

/* Carousel đặt giữa tuyệt đối */
.blsp-banner-wrapper .blsp-carousel {
  position: absolute;
  top: 25%;
  left: 50%;
  width: min(680px, 90vw);
  height: 300px;

  transform: translate(-50%, -50%);
  transform-style: preserve-3d;

  animation: blsp-rotate 25s linear infinite;
  cursor: grab;

  z-index: 2;
}

.blsp-banner-wrapper .blsp-carousel.dragging {
  cursor: grabbing;
  animation-play-state: paused;
}

/* ITEM */
.blsp-banner-wrapper .blsp-item {
  position: absolute;
  width: 200px;
  height: 200px;

  left: 50%;
  top: 50%;
  transform-style: preserve-3d;
  transform-origin: center center;
  transition: transform 0.6s ease;
}

.blsp-banner-wrapper .blsp-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;

  border-radius: 16px;
  background: #222;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
}

/* Glow dưới ảnh */
.blsp-banner-wrapper .blsp-item::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -12px;
  height: 36px;

  background: linear-gradient(to bottom, rgba(255,255,255,0.16), transparent);
  transform: rotateX(90deg);
  transform-origin: top;
  opacity: 0.25;
}

/* Animation xoay 3D */
@keyframes blsp-rotate {
  from { transform: translate(-50%, -50%) rotateY(0deg); }
  to   { transform: translate(-50%, -50%) rotateY(360deg); }
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1200px) {
  .blsp-banner-wrapper {
    min-height: 440px;
  }
  .blsp-banner-wrapper .blsp-carousel {
    width: 92vw;
    height: 260px;
  }
  .blsp-banner-wrapper .blsp-item {
    width: 180px;
    height: 180px;
  }
}

@media (max-width: 768px) {
  .blsp-banner-wrapper {
    min-height: 380px;
  }
  .blsp-banner-wrapper .blsp-carousel {
    width: 92vw;
    height: 220px;
  }
  .blsp-banner-wrapper .blsp-item {
    width: 150px;
    height: 150px;
  }
}

@media (max-width: 480px) {
  .blsp-banner-wrapper {
    min-height: 340px;
  }
  .blsp-banner-wrapper .blsp-carousel {
    height: 180px;
  }
  .blsp-banner-wrapper .blsp-item {
    width: 120px;
    height: 120px;
  }
}