.demo {
  padding: 56px 0 72px;
}
.demo-shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 48px;
  align-items: center;
}

.demo-eyebrow {
  margin: 0 0 14px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-light);
}
.demo-intro h1 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.25rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 600;
  color: var(--text-main);
}
.demo-sub {
  margin: 16px 0 0;
  max-width: 420px;
  font-size: 1.02rem;
  line-height: 1.62;
  color: #475569;
}

.demo-points {
  margin-top: 30px;
  border-top: 1px solid var(--border-light);
}
.demo-point {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 15px 0;
  border-bottom: 1px solid var(--border-light);
}
.demo-point-title {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--text-main);
}
.demo-point-desc {
  font-size: 0.9rem;
  line-height: 1.5;
  color: #64748b;
}

.demo-cal-embed {
  width: 100%;
  min-height: 600px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl, 16px);
  overflow: hidden;
  background: var(--bg-base);
}
.demo-cal-note {
  margin: 12px 2px 0;
  font-size: 0.8rem;
  color: var(--text-light);
  text-align: center;
}

@media (max-width: 900px) {
  .demo {
    padding: 40px 0 56px;
  }
  .demo-shell {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .demo-sub {
    max-width: none;
  }
  .demo-cal-embed {
    min-height: 540px;
  }
}