.demo-page {
  background:
    radial-gradient(circle at 82% 11%, rgba(61, 203, 255, 0.1), transparent 32rem),
    var(--navy-950);
}

.demo-page header {
  border-bottom-color: var(--line);
}

.demo-nav {
  gap: 24px;
}

.demo-hero {
  padding: 156px 0 92px;
}

.demo-hero-copy {
  max-width: 900px;
}

.demo-hero h1 {
  max-width: 880px;
  margin-bottom: 26px;
  font-size: clamp(2.65rem, 6vw, 5rem);
}

.demo-hero .accent {
  color: var(--cyan);
}

.demo-dek {
  max-width: 760px;
  color: var(--slate);
  font-size: clamp(1.04rem, 1.8vw, 1.2rem);
  line-height: 1.7;
}

.demo-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 32px;
  color: var(--slate-dim);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.demo-player-section {
  padding: 104px 0 112px;
  border-top: 1px solid var(--line);
  background: rgba(10, 22, 40, 0.4);
}

.demo-player-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: 96px;
  align-items: center;
}

.demo-player-copy h2 {
  max-width: 620px;
  margin-bottom: 22px;
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
}

.demo-player-copy > p {
  max-width: 610px;
  color: var(--slate);
  font-size: 1.02rem;
  line-height: 1.75;
}

.demo-steps {
  display: grid;
  gap: 0;
  margin-top: 40px;
  border-top: 1px solid var(--line);
  list-style: none;
}

.demo-steps li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.demo-steps li > .mono {
  color: var(--cyan);
}

.demo-steps strong {
  display: block;
  margin-bottom: 3px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.03rem;
}

.demo-steps p {
  color: var(--slate);
  font-size: 0.9rem;
}

.demo-video-frame {
  width: min(100%, 400px);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(61, 203, 255, 0.28);
  border-radius: 22px;
  background: #03060b;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.42);
}

.demo-video-frame video {
  display: block;
  width: 100%;
  aspect-ratio: 7 / 15;
  background: #000;
  object-fit: contain;
}

.demo-video-frame figcaption {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  color: var(--slate-dim);
  font-size: 0.8rem;
}

.demo-video-frame figcaption .mono {
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .demo-player-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }
}

@media (max-width: 640px) {
  .demo-hero {
    padding: 126px 0 72px;
  }

  .demo-player-section {
    padding: 76px 0 84px;
  }

  .demo-nav .nav-cta {
    padding: 7px 12px;
    font-size: 0.76rem;
  }

  .demo-player-grid {
    gap: 48px;
  }

  .demo-video-frame {
    width: min(100%, 360px);
  }
}