.roadmap-list {
  display: grid;
  gap: 0;
  margin-top: 30px;
  border-top: 2px solid var(--ink);
}

.roadmap-stage {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
}

.roadmap-grade {
  align-self: start;
  padding: 8px 10px;
  border: 2px solid var(--ink);
  background: var(--paper);
  font: 800 13px/1.3 var(--mono);
  text-align: center;
}

.roadmap-stage h3 { margin: 0 0 8px; font-size: 24px; }
.roadmap-stage p { margin: 0 0 9px; color: var(--muted); }
.roadmap-stage strong { font-size: 14px; }

@media (max-width: 620px) {
  .roadmap-stage { grid-template-columns: 1fr; gap: 14px; }
  .roadmap-grade { justify-self: start; }
}