.activity-hero-copy {
  margin: 0.65rem 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(0.92rem, 2vw, 1.05rem);
}

.activity-wrap {
  width: min(1240px, calc(100% - 2rem));
  margin: 2rem auto 3rem;
}

.activity-intro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1rem;
  padding: 1.25rem 1.4rem;
  border: 1px solid rgba(20, 38, 63, 0.12);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(20, 38, 63, 0.08);
}

.activity-intro h2 {
  margin: 0.15rem 0 0.35rem;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

.activity-intro p {
  max-width: 760px;
  margin: 0;
}

.activity-label {
  color: #6542e7;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.activity-admin-link {
  flex: 0 0 auto;
  padding: 0.75rem 1rem;
  border: 1px solid #6542e7;
  border-radius: 999px;
  color: #6542e7;
  font-size: 0.88rem;
  font-weight: 750;
  text-decoration: none;
}

.activity-admin-link:hover,
.activity-admin-link:focus-visible {
  background: #6542e7;
  color: #fff;
}

.quiz-embed {
  overflow: hidden;
  border: 1px solid rgba(20, 38, 63, 0.12);
  border-radius: 22px;
  background: #f6f3ff;
  box-shadow: 0 20px 50px rgba(20, 38, 63, 0.12);
}

.quiz-embed iframe {
  display: block;
  width: 100%;
  height: 900px;
  border: 0;
  background: #f6f3ff;
}

@media (max-width: 720px) {
  .activity-wrap {
    width: min(100% - 1rem, 1240px);
    margin-top: 1rem;
  }

  .activity-intro {
    align-items: flex-start;
    flex-direction: column;
    padding: 1rem;
  }

  .quiz-embed {
    border-radius: 14px;
  }

  .quiz-embed iframe {
    height: 820px;
  }
}