/* RISE demo page: the single page layer. Tokens, header, buttons and footer come from /syberlabs.css.
   The RISE accent appears only as its identity marker. */
.syber-demo { --accent: var(--accent-rise); }
.shell { max-width: calc(var(--content-max) + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); }
main { padding: var(--space-9) 0 var(--space-10); }

.eyebrow, .media-meta, .feature-list small {
  margin: 0; font-family: var(--font-mono); font-size: 12px; line-height: 16px; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase; color: var(--text-2);
}
.hero-head .eyebrow { display: flex; align-items: center; gap: var(--space-3); }
.hero-head .eyebrow::before { content: ''; width: 8px; height: 8px; border-radius: var(--radius-full); background: var(--accent); }

.hero-head { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: var(--space-6); padding-bottom: var(--space-7); }
.hero-head h1 { margin: var(--space-5) 0 0; font-family: var(--font-display); font-weight: 400; font-size: clamp(64px, 8.6vw, 124px); line-height: .9; letter-spacing: -0.02em; }
.intro { max-width: 32ch; margin: 0; font-size: 18px; line-height: 28px; color: var(--text-2); }

.interactive-entry { padding: var(--space-6) 0 var(--space-7); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.interactive-entry h2 { max-width: 28ch; margin: var(--space-4) 0 0; font-family: var(--font-display); font-weight: 400; font-size: 40px; line-height: 44px; letter-spacing: -0.01em; }
.interactive-entry p:not(.eyebrow) { max-width: 60ch; margin: var(--space-4) 0 0; font-size: 18px; line-height: 28px; color: var(--text-2); }
.interactive-entry strong { color: var(--text); font-weight: 600; }
.interactive-cta { margin-top: var(--space-6); }
.interactive-entry small { display: block; max-width: var(--measure); margin-top: var(--space-4); font-size: 14px; line-height: 20px; color: var(--text-3); }

.media-meta { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); margin: var(--space-9) 0 var(--space-3); }
.video-frame { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
video, .video-frame iframe { display: block; width: 100%; aspect-ratio: 16 / 9; border: 0; background: #000; object-fit: cover; }
.caption { max-width: var(--measure); margin: var(--space-3) 0 0; font-size: 14px; line-height: 20px; color: var(--text-3); }
.video-cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-5); padding: var(--space-6) 0; border-bottom: 1px solid var(--line); }
.video-cta h2 { margin: 0; font: 400 40px/1.1 var(--font-display); }
.video-cta p { max-width: 48ch; margin: var(--space-3) 0 0; color: var(--text-2); line-height: 1.5; }
.video-cta .sy-btn { flex-shrink: 0; }

.second-film h2 { margin: var(--space-4) 0 0; font-family: var(--font-display); font-weight: 400; font-size: 40px; line-height: 44px; letter-spacing: -0.01em; }
.second-film .media-meta { margin-bottom: 0; }
/* YouTube poster: typographic, on a CSS nebula (nothing is hotlinked); the player loads on demand. */
.film__poster {
  position: relative; display: flex; flex-direction: column; justify-content: space-between;
  aspect-ratio: 16 / 9; padding: var(--space-7); color: var(--sy-vellum); text-decoration: none;
}
.film__poster:hover { text-decoration: none; }
.film__poster:focus-visible { outline-offset: -4px; }
.film__label { display: flex; align-items: center; gap: var(--space-3); font: 500 12px/16px var(--sy-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--sy-mist); }
.film__label::before { content: ''; width: 8px; height: 8px; border-radius: var(--radius-full); background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.film__title { font: 400 96px/.92 var(--sy-serif); letter-spacing: -0.02em; }
.film__play { display: inline-flex; align-items: center; gap: var(--space-3); align-self: flex-start; font: 500 16px/24px var(--sy-sans); }
.film__play-icon {
  display: inline-flex; align-items: center; justify-content: center; width: 56px; height: 56px; border-radius: var(--radius-full);
  color: #07061c; background: linear-gradient(100deg, #c9f0ff, #eef0ff 45%, #e3d4ff); box-shadow: 0 0 0 1px #fff3 inset, 0 10px 40px -12px #4890f0cc;
  transition: transform var(--sy-t-hover) var(--sy-ease), box-shadow var(--sy-t-hover) var(--sy-ease);
}
.film__poster:hover .film__play-icon { transform: translateY(-1px); box-shadow: 0 0 0 1px #fff6 inset, 0 14px 48px -10px #9a6bffdd; }
.second-film .film-intro { max-width: var(--measure); margin: var(--space-3) 0 var(--space-5); color: var(--text-2); }

.below { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: start; gap: var(--space-7); margin-top: var(--space-9); padding-top: var(--space-6); border-top: 1px solid var(--line); }
.below h2 { margin: 0; font-family: var(--font-display); font-weight: 400; font-size: 40px; line-height: 44px; letter-spacing: -0.01em; }
.below p { max-width: 60ch; margin: var(--space-4) 0 0; color: var(--text-2); }
.feature-list { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-list article { padding: var(--space-5) var(--space-5) var(--space-5) 0; }
.feature-list article + article { padding-left: var(--space-5); border-left: 1px solid var(--line); }
.feature-list h3 { margin: var(--space-3) 0 var(--space-1); font-size: 18px; line-height: 28px; font-weight: 600; }
.feature-list p { margin: 0; font-size: 14px; line-height: 20px; color: var(--text-2); }
.links { display: flex; flex-wrap: wrap; gap: var(--space-3); }

@media (max-width: 860px) {
  .hero-head { grid-template-columns: 1fr; gap: var(--space-4); }
  .below { grid-template-columns: 1fr; gap: var(--space-6); }
  .film__title { font-size: 64px; }
}
@media (max-width: 640px) {
  main { padding: var(--space-8) 0; }
  .hero-head { padding-bottom: var(--space-6); }
  .hero-head h1 { font-size: 56px; line-height: 56px; }
  .interactive-entry h2, .second-film h2, .below h2 { font-size: 32px; line-height: 36px; }
  .interactive-entry p:not(.eyebrow) { font-size: 16px; line-height: 24px; }
  .interactive-cta, .links, .links .sy-btn { width: 100%; }
  .media-meta { flex-direction: column; align-items: flex-start; gap: var(--space-2); margin-top: var(--space-8); }
  .feature-list { grid-template-columns: 1fr; }
  .film__poster { padding: var(--space-5); }
  .film__title { font-size: 40px; }
  .film__play-icon { width: 44px; height: 44px; }
  .feature-list article, .feature-list article + article { padding: var(--space-4) 0; border-left: 0; }
  .feature-list article + article { border-top: 1px solid var(--line); }
}