.history-section {
  background: linear-gradient(180deg, #f8f8f6 0%, #fbfbfa 100%);
  color: var(--ink);
}

.timeline {
  position: relative;
  display: grid;
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  position: relative;
  display: grid;
  grid-template-columns: minmax(88px, 120px) minmax(0, 1fr);
  gap: clamp(20px, 4vw, 46px);
  align-items: start;
  min-width: 0;
  padding: 0 0 30px;
}

.timeline li::before {
  content: "";
  position: absolute;
  top: 10px;
  left: clamp(88px, 10.7vw, 120px);
  z-index: 1;
  width: 11px;
  height: 11px;
  transform: translateX(calc(clamp(10px, 2vw, 23px) - 50%));
  border: 2px solid var(--green);
  border-radius: 999px;
  background: #fbfbfa;
}

.timeline li::after {
  content: "";
  position: absolute;
  top: 10px;
  bottom: -22px;
  left: clamp(88px, 10.7vw, 120px);
  width: 1px;
  transform: translateX(clamp(10px, 2vw, 23px));
  background: rgba(25, 26, 29, 0.16);
}

.timeline li:last-child {
  padding-bottom: 0;
}

.timeline li:last-child::after {
  display: none;
}

.timeline time {
  position: relative;
  z-index: 1;
  display: block;
  padding-top: 1px;
  color: var(--green);
  white-space: nowrap;
}

.timeline li > div {
  min-width: 0;
  padding: clamp(20px, 3vw, 30px) clamp(22px, 4vw, 42px);
  border: 1px solid rgba(25, 26, 29, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
}

.timeline h3 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: clamp(1.04rem, 1.5vw, 1.22rem);
  line-height: 1.45;
  overflow-wrap: normal;
  word-break: keep-all;
}

.timeline p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.85;
}

@media (max-width: 920px) {
  .timeline li {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 22px;
  }

  .timeline li::before {
    left: 78px;
    transform: translateX(calc(15px - 50%));
  }

  .timeline li::after {
    left: 78px;
    transform: translateX(15px);
  }
}

@media (max-width: 640px) {
  .timeline {
    gap: 18px;
  }

  .timeline li {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 0 0 22px 16px;
  }

  .timeline li::before {
    top: 4px;
    left: 0;
    transform: translateX(-50%);
  }

  .timeline li::after {
    top: 4px;
    bottom: -18px;
    left: 0;
    transform: none;
  }

  .timeline time {
    padding-top: 0;
  }

  .timeline li > div {
    padding: 14px;
  }

  .timeline h3 {
    font-size: 0.94rem;
    line-height: 1.55;
    overflow-wrap: break-word;
    word-break: normal;
  }

  .timeline p {
    font-size: 0.88rem;
    line-height: 1.78;
    overflow-wrap: break-word;
    word-break: normal;
  }
}

@media (max-width: 360px) {
  .timeline li {
    padding-left: 14px;
  }

  .timeline li > div {
    padding: 12px;
  }
}