.masterclass-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: start;
}

.poster-wrap img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid rgba(17, 59, 122, 0.18);
  display: block;
}

.event-detail-card {
  background: #fff;
  border-radius: 14px;
  border: 1px solid rgba(17, 59, 122, 0.18);
  padding: 1rem;
}

.event-detail-card h2 {
  margin-top: 0;
  color: #113b7a;
}

.event-detail-card p {
  margin: 0.45rem 0;
}

.event-detail-card ul {
  margin: 0.7rem 0;
  padding-left: 1.1rem;
}

.event-detail-card li {
  margin-bottom: 0.3rem;
}

@media (max-width: 900px) {
  .masterclass-layout {
    grid-template-columns: 1fr;
  }
}