/* Timeline Card Flip Effect */
.timeline-card {
  perspective: 1000px;
  cursor: pointer;
  transition: transform 0.5s;
  transform-style: preserve-3d;
  position: relative;
  height: 350px; /* Tetapkan tinggi yang konsisten */
}

.timeline-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}

.timeline-card.flipped .timeline-card-inner {
  transform: rotateY(180deg);
}

.timeline-card-front,
.timeline-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: var(--radius-medium);
  overflow: hidden;
}

.timeline-card-front {
  background-color: white;
  display: flex;
  flex-direction: column;
}

.timeline-card-back {
  background-color: var(--primary-light);
  color: var(--text-medium);
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 20px;
  overflow: scroll;
}

.timeline-photo {
  height: 200px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.timeline-text {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.timeline-back-content {
  text-align: center;
  height: 100%;
}

.timeline-back-title {
  font-family: var(--font-primary);
  font-size: 2.2rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

p.timeline-back-text {
  margin-bottom: 1rem;
}

.timeline-back-text {
  font-size: 12px;
  line-height: 1.6;
}

.flip-icon {
  position: absolute;
  bottom: 10px;
  right: 10px;
  width: 30px;
  height: 30px;
  background-color: rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 2;
}

.flip-icon:hover {
  background-color: var(--primary-color);
  color: white;
}

.flip-icon svg {
  width: 15px;
  height: 15px;
  fill: var(--primary-color);
}

.flip-icon:hover svg {
  fill: white;
}

/* Animasi flip tambahan */
@keyframes flipIn {
  from {
    transform: rotateY(-180deg);
    opacity: 0;
  }
  to {
    transform: rotateY(0);
    opacity: 1;
  }
}

@keyframes flipOut {
  from {
    transform: rotateY(0);
    opacity: 1;
  }
  to {
    transform: rotateY(180deg);
    opacity: 0;
  }
}

/* Media queries untuk responsif */
@media (max-width: 768px) {
  .timeline-card {
    height: 300px;
  }

  .timeline-back-title {
    font-size: 1.8rem;
  }

  .timeline-back-text {
    font-size: 9px;
  }
}

@media (max-width: 576px) {
  .timeline-card {
    height: 280px;
  }

  .timeline-photo {
    height: 150px;
  }

  .timeline-back-title {
    font-size: 1.6rem;
  }

  .timeline-back-text {
    font-size: 7px;
  }
}