.stages-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-bottom: 72px; }
.stage-card {
  border-radius: 16px; overflow: hidden;
  border: 2px solid var(--gris-mid);
  display: flex; flex-direction: column;
  transition: all .25s;
}
.stage-card:hover { border-color: var(--bleu); box-shadow: var(--shadow); }
.stage-card.pro { border-color: var(--bleu); background: var(--bleu); }
.stage-header {
  padding: 32px 30px 24px;
  border-bottom: 1px solid var(--gris-mid);
}
.stage-card.pro .stage-header { border-bottom-color: rgba(255,255,255,.15); }
.stage-level {
  display: inline-block; font-size: 0.72rem; font-weight: 700;
  padding: 4px 12px; border-radius: 20px; margin-bottom: 14px;
  letter-spacing: .5px; text-transform: uppercase;
}
.level-init { background: var(--bleu-clair); color: var(--bleu); }
.level-pro  { background: var(--ocre); color: var(--blanc); }
.stage-card.pro h3 { color: var(--blanc); }
.stage-price {
  font-family: 'Playfair Display', serif;
  font-size: 2.8rem; font-weight: 700; line-height: 1; margin: 10px 0 4px;
  color: var(--bleu);
}
.stage-card.pro .stage-price { color: var(--blanc); }
.stage-meta { font-size: 0.82rem; color: var(--gris-light); }
.stage-card.pro .stage-meta { color: rgba(255,255,255,.6); }
.stage-body { padding: 28px 30px; flex: 1; display: flex; flex-direction: column; }
.stage-features {
  list-style: none; display: flex; flex-direction: column; gap: 10px;
  margin-bottom: 28px; flex: 1;
}
.stage-features li { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; }
.stage-features li::before {
  content: '✓'; flex-shrink: 0; width: 20px; height: 20px;
  border-radius: 50%; background: var(--bleu); color: var(--blanc);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.68rem; font-weight: 700;
}
.stage-card.pro .stage-features li { color: rgba(255,255,255,.85); }
.stage-card.pro .stage-features li::before { background: var(--ocre); }
.formation-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; margin-bottom: 72px; }
.prereq-box {
  background: var(--bleu-clair); border-radius: 14px; padding: 30px;
  border-left: 4px solid var(--bleu);
}
.prereq-box h3 { margin-bottom: 10px; color: var(--bleu); }
@media (max-width: 960px) {
  .stages-grid { grid-template-columns: 1fr; }
  .formation-intro { grid-template-columns: 1fr; gap: 40px; }
}