.historia {
  padding: var(--section-py) var(--section-px);
  position: relative; z-index: 1;
}
.historia-container { max-width: 900px; margin: 0 auto; text-align: center; }
.historia-sub {
  font-size: 16px; color: var(--gray); text-align: center;
  max-width: 600px; margin: 0 auto 48px; line-height: 1.7;
}
.historia-timeline { position: relative; }
.historia-timeline::before {
  content: ''; position: absolute; left: 50%; top: 0; bottom: 0;
  width: 1px; background: linear-gradient(to bottom, transparent, rgba(73,36,245,0.4), transparent);
  transform: translateX(-50%);
}
.ht-item {
  display: grid; grid-template-columns: 1fr 60px 1fr;
  gap: 0 32px; margin-bottom: 48px; align-items: center;
}
.ht-item:nth-child(even) .ht-year { grid-column: 3; text-align: left; }
.ht-item:nth-child(even) .ht-connector { grid-column: 2; }
.ht-item:nth-child(even) .ht-content { grid-column: 1; grid-row: 1; text-align: right; }
.ht-year {
  font-size: 28px; font-weight: 900; color: rgba(73,36,245,0.4);
  letter-spacing: -1px; line-height: 1;
  grid-column: 1; text-align: right;
}
.ht-connector {
  display: flex; justify-content: center; align-items: center;
  grid-column: 2;
}
.ht-dot {
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid #4924F5; background: #070710;
  transition: background .3s, transform .3s;
}
.ht-dot-active { background: #4924F5; box-shadow: 0 0 16px rgba(73,36,245,0.6); }
.ht-content { grid-column: 3; }
.ht-title {
  font-size: 17px; font-weight: 800; color: #fff; margin-bottom: 8px;
}
.ht-text { font-size: 14px; color: var(--gray); line-height: 1.8; }

@media (max-width: 700px) {
  .historia-timeline::before { left: 16px; }
  .ht-item { grid-template-columns: 32px 1fr; gap: 0 16px; }
  .ht-year { grid-column: 2; text-align: left; font-size: 20px; color: #4924F5; margin-bottom: 4px; }
  .ht-connector { grid-column: 1; grid-row: 1 / 3; justify-content: center; }
  .ht-content { grid-column: 2; }
  .ht-item:nth-child(even) .ht-year,
  .ht-item:nth-child(even) .ht-connector,
  .ht-item:nth-child(even) .ht-content { grid-column: unset; grid-row: unset; text-align: left; }
  .ht-item:nth-child(even) { grid-template-columns: 32px 1fr; }
  .ht-item:nth-child(even) .ht-connector { grid-column: 1; grid-row: 1 / 3; }
  .ht-item:nth-child(even) .ht-year { grid-column: 2; }
  .ht-item:nth-child(even) .ht-content { grid-column: 2; }
}