/* Modern Timeline Style - Simplified & Optimized 2025-05-24 */
.timeline-list {
  position: relative;
  padding: 0;
  margin: 0 0 20px 0;
  list-style: none;
}

/* Garis utama timeline yang elegan - tanpa animasi */
.timeline-list::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 10px;
  width: 2px;
  background: linear-gradient(to bottom, 
    rgba(var(--skin-color-rgb), 0.1), 
    rgba(var(--skin-color-rgb), 1), 
    rgba(var(--skin-color-rgb), 0.1));
  z-index: 1;
}

/* Header untuk setiap section timeline */
.timeline-header {
  display: flex;
  align-items: center;
  margin-bottom: 25px;
  padding-left: 15px;
}

.timeline-header i {
  font-size: 24px;
  color: var(--skin-color);
  margin-right: 10px;
}

.timeline-header h3 {
  font-size: 22px;
  color: var(--text-black-700);
  margin: 0;
  font-weight: 600;
}

/* Titik-titik pada timeline */
.timeline-item {
  position: relative;
  margin-bottom: 40px;
  padding: 0;
  z-index: 1;
}

/* Titik di timeline - tanpa animasi */
.timeline-item::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background-color: var(--skin-color);
  border-radius: 50%;
  z-index: 2;
  box-shadow: 0 0 0 3px rgba(var(--skin-color-rgb), 0.2);
}

/* Card styling - tanpa animasi */
.timeline-card {
  background-color: var(--bg-black-50);
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--outer-shadow);
  transition: all 0.3s ease;
  min-height: 100px;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  margin-left: 30px;
  z-index: 2;
}

/* Title in timeline card */
.timeline-card h4 {
  margin: 0 0 8px 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-black-700);
}

/* Period (year range) */
.timeline-card .period {
  display: block;
  font-size: 14px;
  color: var(--skin-color);
  font-weight: 500;
  margin-bottom: 12px;
}

/* Description text */
.timeline-card p {
  margin: 0;
  color: var(--text-black-600);
  font-size: 15px;
  line-height: 1.6;
}

/* Garis penghubung dari titik ke card */
.timeline-item::after {
  content: "";
  position: absolute;
  left: 18px;
  top: 50%;
  width: 25px;
  height: 2px;
  background-color: var(--skin-color);
  z-index: 1;
  transform: translateY(-50%);
}

.timeline-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
  border-left: 3px solid var(--skin-color);
}

/* Gradient overlay effect on hover */
.timeline-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(var(--skin-color-rgb), 0.05) 0%,
    transparent 50%,
    rgba(var(--skin-color-rgb), 0.05) 100%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
}

.timeline-card:hover::before {
  opacity: 1;
}

/* Animasi dihapus untuk performa yang lebih baik */

/* Animation order dihapus */

/* Responsif untuk mobile dan tablet - Ditingkatkan */
@media screen and (max-width: 768px) {
  .timeline-list::before {
    left: 8px;
  }
  
  .timeline-item::before {
    left: 8px;
    width: 10px;
    height: 10px;
  }
  
  .timeline-item::after {
    left: 14px;
    width: 18px;
  }
  
  .timeline-card {
    margin-left: 25px;
    padding: 15px;
    min-height: 90px;
  }
  
  .timeline-header {
    padding-left: 5px;
    margin-bottom: 15px;
    justify-content: center;
  }
  
  .timeline-header i {
    font-size: 18px;
  }
  
  .timeline-header h3 {
    font-size: 17px;
  }
  
  .timeline-card h4 {
    font-size: 15px;
    margin-bottom: 4px;
  }
  
  .timeline-card .period {
    font-size: 12px;
    margin-bottom: 6px;
  }
  
  .timeline-card p {
    font-size: 13px;
    line-height: 1.4;
  }
  
  .timeline-item {
    margin-bottom: 25px;
  }
}

/* Optimasi khusus untuk mobile kecil */
@media screen and (max-width: 480px) {
  .timeline-list::before {
    left: 7px;
  }
  
  .timeline-item::before {
    left: 7px;
    width: 8px;
    height: 8px;
  }
  
  .timeline-item::after {
    left: 12px;
    width: 15px;
  }
  
  .timeline-card {
    margin-left: 22px;
    padding: 12px;
    min-height: 80px;
  }
  
  .timeline-item {
    margin-bottom: 20px;
  }
  
  .timeline-card h4 {
    font-size: 14px;
    margin-bottom: 3px;
  }
  
  .timeline-card .period {
    font-size: 11px;
    margin-bottom: 5px;
  }
  
  .timeline-card p {
    font-size: 12px;
    line-height: 1.3;
  }
  
  .timeline-header i {
    font-size: 16px;
  }
  
  .timeline-header h3 {
    font-size: 16px;
  }
}