.demo-detail-page {
  background:
    radial-gradient(circle at 8% 24%, rgba(200,255,40,.1), transparent 24rem),
    var(--paper);
}

.demo-detail-page .nav { border-bottom-color: rgba(9,11,8,.18); }

.demo-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 5vw, 78px) 0 clamp(54px, 6vw, 88px);
  color: #f5f5ef;
  background:
    radial-gradient(circle at 85% 18%, rgba(200,255,40,.1), transparent 24rem),
    #090b08;
}

.demo-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(390px, 1.05fr);
  gap: clamp(34px, 5vw, 72px);
  align-items: center;
}

.demo-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  color: #929a8e;
  font: 9px var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.demo-breadcrumb a { color: inherit; text-decoration: none; }
.demo-breadcrumb i { color: var(--acid); font-style: normal; }
.demo-kicker { color: var(--acid); font: 9px var(--mono); letter-spacing: .11em; text-transform: uppercase; }

.demo-hero h1 {
  max-width: 700px;
  margin: 22px 0 0;
  font-size: clamp(44px, 5.5vw, 78px);
  line-height: .91;
  letter-spacing: -.07em;
}

.demo-hero h1 span { color: var(--acid); }
.demo-hero-copy {
  max-width: 650px;
  margin: 24px 0 0;
  color: #c2c8bc;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.65;
}

.demo-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 28px; }
.demo-primary,
.demo-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  color: inherit;
  font: 500 11px var(--mono);
  letter-spacing: .06em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.demo-primary {
  gap: 22px;
  border-radius: 999px;
  color: var(--ink);
  background: var(--acid);
}

.demo-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px rgba(125,180,0,.23); }
.demo-secondary {
  padding-inline: 2px;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,.34);
  background: transparent;
  cursor: pointer;
}
.demo-secondary:hover { color: var(--acid); }

.demo-source-note {
  max-width: 570px;
  margin: 18px 0 0;
  color: #7f877b;
  font: 10px/1.65 var(--mono);
  letter-spacing: .035em;
}

.demo-hero-art {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 20px;
  color: #fff;
  background: #11150f;
  box-shadow: 0 26px 72px rgba(0,0,0,.36);
  cursor: pointer;
}

.demo-hero-art img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.demo-hero-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(3,5,3,.08);
  pointer-events: none;
}

.demo-hero-play {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  padding-left: 3px;
  border-radius: 50%;
  color: var(--ink);
  background: var(--acid);
  font-size: 12px;
  transform: translate(-50%, -50%);
  box-shadow: 0 14px 38px rgba(0,0,0,.32);
}

.demo-hero-video { cursor: default; }
.demo-hero-video iframe { display: block; width: 100%; aspect-ratio: 16 / 9; border: 0; }

@media (max-width: 980px) {
  .demo-hero-grid { grid-template-columns: 1fr; }
  .demo-hero-grid { gap: 44px; }
  .demo-hero-art { max-width: 720px; }
}

@media (max-width: 680px) {
  .demo-hero { padding-top: 40px; }
  .demo-hero h1 { font-size: 13.5vw; }
  .demo-hero-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .demo-primary,
  .demo-secondary { transition: none; }
}