.header-demo-link {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 0 13px;
  color: var(--ink-soft);
  border: 1px solid transparent;
  border-radius: 11px;
  font-size: .81rem;
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}

.header-demo-link:hover {
  color: var(--accent);
  background: var(--surface);
  border-color: var(--line);
}

.header-demo-link:focus-visible,
.hero-demo-button:focus-visible,
.site-footer-links a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.hero-demo-button {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 10px;
  margin-top: 23px;
  font-size: .82rem;
  text-decoration: none;
}

.hero-demo-play {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  color: #fff;
  background: var(--accent);
  border-radius: 50%;
  font-size: .56rem;
}

.hero-demo-duration {
  margin-left: 7px;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 600;
}

.site-footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
}

.demo-page {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.demo-page .site-header {
  flex: 0 0 auto;
}

.demo-shell {
  width: min(1100px, calc(100% - 40px));
  flex: 1 0 auto;
  margin: 0 auto;
  padding: clamp(40px, 6vw, 72px) 0 74px;
}

.demo-heading {
  max-width: 780px;
  margin-bottom: 30px;
}

.demo-heading h1 {
  margin-bottom: 14px;
  font-size: clamp(2.65rem, 5.2vw, 4.45rem);
  line-height: 1.04;
}

.demo-heading > p:last-child {
  max-width: 670px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: clamp(.96rem, 1.35vw, 1.1rem);
}

.demo-player-card {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 23px;
  box-shadow: var(--shadow-card);
}

.demo-player-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
}

.demo-player-kicker {
  margin: 0 0 2px;
  color: var(--accent);
  font-size: .69rem;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.demo-player-heading h2 {
  margin: 0;
  font-size: 1.19rem;
}

.demo-time {
  padding: 7px 11px;
  color: var(--ink-soft);
  background: var(--page-deep);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .76rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.demo-video-frame {
  margin: 0 12px;
  overflow: hidden;
  background: #101820;
  border-radius: 14px;
}

.demo-video-frame video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #101820;
}

.demo-player-note {
  margin: 0;
  padding: 15px 22px 12px;
  color: var(--muted);
  font-size: .79rem;
}

.demo-transcript {
  padding: 0 22px 19px;
  color: var(--ink-soft);
  font-size: .82rem;
}

.demo-transcript summary {
  width: fit-content;
  color: var(--accent);
  cursor: pointer;
  font-weight: 750;
}

.demo-transcript summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.demo-transcript ol {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding-left: 21px;
}

.demo-after {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 34px;
  padding: 27px 30px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.demo-after h2 {
  margin-bottom: 5px;
}

.demo-after p:last-child {
  margin: 0;
}

.demo-after .button {
  flex: 0 0 auto;
  text-decoration: none;
}

@media (max-width: 700px) {
  .demo-shell {
    width: min(100% - 24px, 1100px);
    padding-top: 37px;
    padding-bottom: 48px;
  }

  .demo-player-heading {
    padding: 15px 16px;
  }

  .demo-video-frame {
    margin: 0 7px;
    border-radius: 9px;
  }

  .demo-player-note {
    padding: 13px 16px 11px;
  }

  .demo-transcript {
    padding: 0 16px 17px;
  }

  .demo-after {
    flex-direction: column;
    align-items: flex-start;
    padding: 22px;
  }
}

@media (max-width: 480px) {
  .header-demo-link {
    padding: 0 7px;
  }

  .demo-heading {
    margin-bottom: 22px;
  }

  .demo-player-card {
    border-radius: 14px;
  }

  .demo-player-note {
    line-height: 1.5;
  }

  .site-footer-links {
    gap: 9px 16px;
  }
}