/* TIMELINE*/
/* ==== TIMELINE BASE ==== */
.timeline-container {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: linear-gradient(to bottom, #3b82f6, #8b5cf6, #ec4899);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  position: relative;
  margin: 2.5rem 0;
}

.timeline-dot {
  position: relative;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  background: var(--color-content-primary);
  border-radius: 50%;
  box-shadow: 0 0 0 4px #fff;
  z-index: 5;
  margin: 0 1rem;
}

.timeline-content {
  flex: 1;
}

.timeline-card {
  background: #fff;
  padding: 1.5rem;
  border-radius: 1rem;
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

.timeline-card .year {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-content-primary);
  margin-bottom: 0.5rem;
}

.timeline-card p {
  margin: 0;
  color: #4b5563;
  line-height: 1.6;
}

/* --- Trái / phải --- */
.timeline-content.left {
  text-align: right;
  padding-right: 2rem;
}
.timeline-content.right {
  text-align: left;
  padding-left: 2rem;
}

/* --- Mobile: căn giữa toàn bộ, rộng 100% --- */
@media (max-width: 768px) {
  .timeline-line {
    left: 50%;
    transform: translateX(-50%);
  }
  .timeline-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
	   margin: 2rem 0 !important;
  }
  .timeline-dot {
	display:none
  }
  .timeline-content.left,
  .timeline-content.right {
    width: 100%;
    padding: 0;
    text-align: center;
  }
  .timeline-card {
    width: 100%;
    max-width: 90%;
    margin: 0 auto;
    text-align: center;
  }

}

/* LEADER */
.leader-grid img {
    filter: grayscale(100%);
    transition: filter 0.4s ease;
}

.leader-grid img:hover {
    filter: grayscale(0%);
}