/* ===============================
   BASE
=============================== */

body {
  background: #062c2c;
}

.carousel3d {
  position: relative;
  height: 680px;
  perspective: 1400px;
  overflow: hidden;
}

.carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
}

/* ===============================
   CARD BASE (TRUE CENTERING)
=============================== */

.card3d {
  position: absolute;
  width: auto !important;
  height: 420px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 16px;
  overflow: hidden;
  background: transparent;
  transition: all 0.7s cubic-bezier(.25,.8,.25,1);
 
}

.card3d img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===============================
   CENTER (BIG + DEPTH)
=============================== */

.card3d.active {
  transform: translate(-50%, -50%) scale(1.28);
  z-index: 6;

}

/* ===============================
   LEFT
=============================== */

.card3d.left {
  transform: translate(-50%, -50%) translateX(-320px) rotateY(45deg) scale(0.80);
  z-index: 4;
  opacity: 0.95;
  filter: blur(1px);
}

/* ===============================
   RIGHT
=============================== */

.card3d.right {
  transform: translate(-50%, -50%) translateX(320px) rotateY(-45deg) scale(0.80);
  z-index: 4;
  opacity: 0.95;
  filter: blur(1.5px);
}

/* ===============================
   FAR LEFT
=============================== */

.card3d.hidden-left {
  transform: translate(-50%, -50%) translateX(-620px) rotateY(60deg) scale(0.65);
  opacity: 0;
  z-index: 1;
  filter: blur(1.5px);
}

/* ===============================
   FAR RIGHT
=============================== */

.card3d.hidden-right {
  transform: translate(-50%, -50%) translateX(620px) rotateY(-60deg) scale(0.65);
  opacity: 0;
  z-index: 1;
  filter: blur(1px);
}

/* ===============================
   ARROWS
=============================== */

.nav-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.45);
  border: none;
  color: white;
  font-size: 32px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 10;
}

.left-arrow { left: 15px; }
.right-arrow { right: 15px; }

.nav-arrow:hover {
  background: rgba(0,0,0,0.7);
}

/* ===============================
   MOBILE
=============================== */

@media (max-width: 768px){

  .carousel3d {
    height: 380px;
    overflow: visible;
  }

  .card3d {
    width: 260px !important;
    height: 320px;
  }

  .card3d img{
    object-fit: contain;
  }

  .card3d.active {
    transform: translate(-50%, -50%) scale(1.15);
  }

  .card3d.right {
    transform: translate(-50%, -50%) translateX(180px) rotateY(-45deg) scale(0.68);
  }

  .card3d.left {
    transform: translate(-50%, -50%) translateX(-180px) rotateY(45deg) scale(0.68);
  }

  .card3d.hidden-left {
    transform: translate(-50%, -50%) translateX(-360px) rotateY(60deg) scale(0.55);
  }

  .card3d.hidden-right {
    transform: translate(-50%, -50%) translateX(360px) rotateY(-60deg) scale(0.55);
  }

  .nav-arrow {
    font-size: 24px;
    width: 32px;
    height: 32px;
  }

  .left-arrow { left: 1%; }
  .right-arrow { right: 1%; }
}