.intro-video-section { padding: 48px 0; background: var(--surface-cool, #f3f7fb); scroll-margin-top: 0; }
.intro-video-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .9fr); gap: 56px; align-items: center; }
.intro-video-copy { min-width: 0; max-width: 520px; }
.intro-video-copy h2 { margin: 16px 0 20px; color: var(--text-primary, #152b45); font-size: clamp(30px, 2.8vw, 36px); line-height: 1.4; letter-spacing: -.025em; text-wrap: balance; }
.intro-video-copy .section-lead { line-height: 1.9; }
.intro-video-steps { margin: 28px 0; padding: 0; list-style: none; display: grid; gap: 14px; }
.intro-video-steps li { display: flex; gap: 14px; align-items: center; color: var(--text-primary, #152b45); }
.intro-video-steps li span { color: var(--brand-teal, #0e7490); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.intro-video-play { min-height: 48px; gap: 10px; }
.intro-video-play > span:first-child { font-size: 12px; }
.intro-video-hint { margin: 14px 0 0; font-size: 13px; color: var(--text-secondary, #52647a); line-height: 1.7; }
.intro-video-figure { margin: 0; width: clamp(224px, 34vh, 292px); max-width: 100%; justify-self: center; }
.intro-video-frame { position: relative; }
.intro-video-player { display: block; width: 100%; height: auto; aspect-ratio: 9/16; object-fit: contain; background: #0b1b30; border: 1px solid var(--border-light, #dce5ef); border-radius: 18px; box-shadow: 0 18px 48px #0b1b3018; }
.intro-video-overlay { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; border: 1px solid #ffffffa3; color: #fff; background: var(--brand-blue, #1d4ed8); box-shadow: 0 8px 28px #0b1b3030; }
.intro-video-overlay[hidden] { display: none; }
.intro-video-overlay:hover { background: var(--brand-blue-hover, #1e40af); }
.intro-video-overlay svg { margin-left: 3px; }
.intro-video-figure figcaption { display: flex; justify-content: space-between; gap: 12px; margin-top: 16px; color: var(--text-primary, #152b45); font-size: 13px; line-height: 1.6; }
.intro-video-figure figcaption span { color: var(--text-secondary, #52647a); font-variant-numeric: tabular-nums; }
.intro-video-direct { display: inline-flex; align-items: center; min-height: 44px; gap: 5px; font-size: 13px; color: var(--brand-blue, #1d4ed8); text-decoration: underline; text-underline-offset: 4px; }
.intro-video-status { margin: 8px 0 0; font-size: 13px; color: var(--text-secondary, #52647a); line-height: 1.7; }
@media (max-width: 900px) {
  .intro-video-section { padding: 44px 0; }
  .intro-video-grid { grid-template-columns: 1fr; gap: 32px; }
  .intro-video-copy { max-width: 520px; }
  .intro-video-copy h2 br { display: none; }
  .intro-video-copy .section-lead br { display: none; }
  .intro-video-figure { width: min(100%, 280px); }
  .intro-video-play { width: 100%; max-width: 320px; }
}