* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  background: #000;
  color: white;
  overflow: hidden;
  font-family: Arial, sans-serif;
}

.page {
  position: relative;
  width: 100%;
  min-height: 100vh;

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

/*TOMBOL KEMBALI*/

.back-btn {
  position: absolute;

  top: 30px;
  left: 30px;

  padding: 10px 22px;

  color: white;
  text-decoration: none;

  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 30px;

  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);

  transition: 0.3s ease;
  z-index: 10;
}

.back-btn:hover {
  background: white;
  color: black;
}

.carousel-scene {
  width: 100%;
  height: 70vh;

  display: flex;
  justify-content: center;
  align-items: center;

  perspective: 3000px;
  overflow: hidden;

  touch-action: none;
  cursor: grab;
}

.carousel-scene:active {
  cursor: grabbing;
}

/* KEMIRINGAN CAROUSEL */

.carousel-tilt {
  transform-style: preserve-3d;
  transform: rotateX(-7deg);
}

/* CINCIN FOTO */

.carousel-ring {
  position: relative;

  transform-style: preserve-3d;
}

/* SETIAP FOTO */

.carousel-item {
  position: absolute;
  inset: 0;

  transform-style: preserve-3d;
}

.carousel-face {
  position: absolute;
  inset: 0;

  border-radius: 22px;
  overflow: hidden;

  background-size: cover;
  background-position: center;

  backface-visibility: hidden;

  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

/* SISI BELAKANG */

.carousel-back {
  transform: rotateY(180deg);
  filter: brightness(0.35);
}

/* PETUNJUK */

.instruction {
  position: absolute;
  bottom: 65px;

  font-size: 13px;
  letter-spacing: 2px;

  color: rgba(255, 255, 255, 0.65);
}

/* RESPONSIVE */

@media (max-width: 600px) {
  .back-btn {
    top: 20px;
    left: 20px;
    font-size: 13px;
  }

  .carousel-scene {
    height: 65vh;
  }

  .instruction {
    bottom: 65px;
  }
}