.rsvp-intro {
  padding: 30px 0 24px;
  background: #edf5f3;
  border-bottom: 1px solid var(--line);
}

.rsvp-banner {
  display: block;
  width: 100%;
  max-width: 920px;
  height: auto;
  margin: 0 auto 20px;
}

.rsvp-intro .eyebrow {
  margin-bottom: 8px;
  color: var(--teal);
}

.rsvp-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.rsvp-intro h1 {
  max-width: 800px;
  font-size: clamp(2rem, 5vw, 3.4rem);
}

.rsvp-event-line {
  margin: 10px 0 0;
  color: var(--graphite);
  font-weight: 650;
}

.rsvp-intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.rsvp-intro-actions .button.secondary {
  color: #075f58;
  border-color: var(--teal);
  background: transparent;
}

.rsvp-form-section {
  padding-top: 26px;
  padding-bottom: 44px;
}

.rsvp-embed {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(23, 32, 42, 0.05);
}

.rsvp-embed iframe {
  display: block;
  width: 100%;
  height: 1820px;
  border: 0;
  background: #fff;
}

.rsvp-fallback {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.92rem;
}

.rsvp-topics {
  padding-top: 48px;
}

.rsvp-topics h2 {
  margin-bottom: 20px;
}

.rsvp-topic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.rsvp-topic-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 8px 24px rgba(23, 32, 42, 0.05);
}

.rsvp-topic-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: #edf5f3;
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 850;
}

.rsvp-topic-card h3 {
  margin-bottom: 8px;
}

.rsvp-topic-card > p {
  margin: 0;
  color: var(--muted);
}

.rsvp-topic-card details {
  margin-top: 14px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.rsvp-topic-card summary {
  color: #075f58;
  font-weight: 750;
  cursor: pointer;
}

.rsvp-topic-card details ul {
  margin: 10px 0 0;
  padding-left: 20px;
  color: var(--graphite);
}

.rsvp-topic-card details li + li {
  margin-top: 5px;
}

.rsvp-return {
  margin: 22px 0 0;
  font-weight: 750;
}

@media (max-width: 820px) {
  .rsvp-intro {
    padding: 26px 0 20px;
  }

  .rsvp-form-section {
    padding-top: 20px;
    padding-bottom: 36px;
  }

  .rsvp-embed iframe {
    height: 1940px;
  }

  .rsvp-topic-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .rsvp-embed iframe {
    height: 2440px;
  }
}