/* Video block follows /products/vygotsky/#video; page palette is preserved. */
.video-demo { padding: 4rem 0 5rem; scroll-margin-top: 130px; }
.video-demo .video-heading { max-width: 860px; margin: 0 auto 2rem; }
.video-demo .video-eyebrow { color: var(--lime); font-size: 14px; font-weight: 700; margin: 0 0 12px; }
.video-demo h2 { font-size: clamp(26px, 3vw, 38px); line-height: 1.2; margin: 0 0 18px; }
.video-demo .video-summary { color: var(--text-muted); font-size: 16px; line-height: 1.7; margin: 0; }
.video-demo a { color: var(--lime); text-decoration: underline; text-underline-offset: 3px; }
.video-demo .video-frame {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: #000;
  aspect-ratio: 16 / 9;
  box-shadow: 0 24px 60px rgba(0,0,0,0.45);
}
.video-demo .video-frame:focus-within { border-color: var(--lime); }
.video-demo .video-player { display: block; width: 100%; height: 100%; object-fit: contain; background: #000; border: 0; }
.video-demo .video-overlay-play {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px;
  width: 100%; height: 100%; padding: 16px;
  border: 0; cursor: pointer; font-family: inherit; color: var(--lime);
  background: radial-gradient(ellipse at center, rgba(11,15,12,0.35) 0%, rgba(11,15,12,0.75) 100%);
  transition: opacity .25s ease, visibility .25s ease;
}
.video-demo .video-overlay-play[hidden] { display: none; }
.video-demo .vop-circle { width: clamp(64px, 12vw, 104px); height: clamp(64px, 12vw, 104px); display: block; filter: drop-shadow(0 10px 30px rgba(0,0,0,0.55)); transition: transform .2s ease; }
.video-demo .vop-circle svg { width: 100%; height: 100%; display: block; }
.video-demo .vop-label {
  font-size: clamp(14px, 1.4vw, 17px); font-weight: 600; color: #fff;
  padding: 8px 18px; border-radius: var(--radius-pill);
  background: rgba(11,15,12,0.75); border: 1px solid rgba(255,255,255,0.14);
}
.video-demo .video-overlay-play:hover .vop-circle,
.video-demo .video-overlay-play:focus-visible .vop-circle { transform: scale(1.08); }
.video-demo .video-overlay-play:focus-visible { outline: 3px solid var(--lime); outline-offset: -3px; }
.video-demo .video-frame.is-playing .video-overlay-play { opacity: 0; visibility: hidden; pointer-events: none; }
.video-demo .video-steps {
  list-style: none; max-width: 1000px; margin: 28px auto 0; padding: 0;
  display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr);
}
.video-demo .video-steps li {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; font-size: 14.5px; color: var(--text-muted); line-height: 1.5;
}
.video-demo .video-steps b { display: block; color: var(--text); font-size: 16px; margin: 10px 0 6px; }
.video-demo .vs-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--lime-soft); border: 1px solid var(--lime); color: var(--lime);
  font-weight: 700; font-size: 13px;
}
.video-demo .video-caption,
.video-demo .video-error { max-width: 1000px; margin: 22px auto 0; text-align: center; color: var(--text-muted); font-size: 14.5px; line-height: 1.6; }
@media (max-width: 860px) { .video-demo .video-steps { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .video-demo .video-overlay-play, .video-demo .vop-circle { transition: none; } }