/*
 * The story: a pinned stage with the Orb, and three chapters that scroll past it.
 * `data-chapter` on the section (set by story-chapters.js) drives every change on the stage:
 *   1 — Clark couldn't: grey Orb behind bars, surrounded by refusals.
 *   2 — Then Clark could: the bars lift, refusals give way to a quiet activity trail.
 *   3 — ClarkCant Can: the Orb in full colour, and the name.
 */

.story {
  position: relative;
  overflow: clip; /* refusal bubbles never leak into neighbouring sections */
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  max-width: calc(var(--max) + 4rem);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.story__stage {
  grid-column: 2;
  grid-row: 1;
  position: sticky;
  top: 0;
  height: 100svh;
  display: grid;
  place-items: center;
}
.story__scene { position: relative; width: min(38vw, 520px); aspect-ratio: 1; }

.orb--story {
  position: absolute;
  inset: 8%;
  transition: filter 900ms var(--ease-out), transform 900ms var(--ease-out);
}
.story[data-chapter="1"] .orb--story { filter: grayscale(1) contrast(0.9); transform: scale(0.86); }
.story[data-chapter="1"] .orb--story::before { opacity: 0; }

/* The cage. Bars sit in front of the Orb so it reads as held back, not decorated. */
.cage { position: absolute; inset: 0; z-index: 2; color: var(--text-faint); pointer-events: none; }
.cage__ring { stroke-width: 1; stroke-dasharray: 3 7; opacity: 0.55; transition: opacity var(--dur-slow) ease, transform 1.2s var(--ease-out); transform-origin: center; }
.cage__ring--outer { stroke-dasharray: 1 9; opacity: 0.35; }
.cage__bars path {
  stroke-width: 1.4;
  transform-origin: center;
  transition: transform 900ms var(--ease-out), opacity 700ms ease;
}
.story:not([data-chapter="1"]) .cage__bars path { opacity: 0; transform: scaleY(0); }
.story:not([data-chapter="1"]) .cage__bars path:nth-child(2n) { transition-delay: 90ms; }
.story:not([data-chapter="1"]) .cage__ring { opacity: 0; transform: scale(1.15); }

/* Refusals: the wall of "no". */
.story__refusals li,
.story__activity {
  font-size: 0.8125rem;
  line-height: 1.35;
  background: var(--elevated);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.story__refusals li {
  position: absolute;
  left: var(--l);
  top: var(--t);
  z-index: 3;
  max-width: 14rem;
  padding: 0.55rem 0.8rem;
  border-radius: 14px;
  color: var(--text-muted);
  opacity: 0;
  transform: translateY(8px) scale(0.97);
  transition: opacity 500ms ease, transform 500ms var(--ease-out);
}
.story[data-live][data-chapter="1"] .story__refusals li {
  opacity: 1;
  transform: none;
  transition-delay: var(--d);
  animation: nag 5s var(--d) ease-in-out infinite;
}
@keyframes nag { 0%, 88%, 100% { translate: 0 0; } 91% { translate: -3px 0; } 94% { translate: 3px 0; } 97% { translate: -2px 0; } }

/* Activity: what "could" looks like — a short trail and a Stop that always works. */
.story__activity {
  position: absolute;
  right: -4%;
  bottom: 4%;
  z-index: 3;
  width: min(15.5rem, 70%);
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius);
  display: grid;
  gap: 0.45rem;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 500ms ease, transform 600ms var(--ease-out);
}
.story__activity li { display: flex; align-items: center; gap: 0.55rem; color: var(--text-muted); opacity: 0; transition: opacity 400ms ease; }
.story[data-chapter="2"] .story__activity { opacity: 1; transform: none; transition-delay: 250ms; }
.story[data-chapter="2"] .story__activity li { opacity: 1; }
.story[data-chapter="2"] .story__activity li:nth-child(1) { transition-delay: 450ms; }
.story[data-chapter="2"] .story__activity li:nth-child(2) { transition-delay: 800ms; }
.story[data-chapter="2"] .story__activity li:nth-child(3) { transition-delay: 1150ms; }
.story[data-chapter="2"] .story__activity li:nth-child(4) { transition-delay: 1500ms; }
.story[data-chapter="2"] .story__activity li:nth-child(5) { transition-delay: 1850ms; }
.tick { width: 0.9rem; height: 0.9rem; border-radius: 50%; background: var(--success); flex: none; position: relative; }
.tick::after { content: ""; position: absolute; left: 0.3rem; top: 0.17rem; width: 0.22rem; height: 0.42rem; border: solid var(--card); border-width: 0 1.6px 1.6px 0; transform: rotate(45deg); }
.story__stop { margin-top: 0.2rem; padding-top: 0.55rem; border-top: 1px solid var(--line); color: var(--text) !important; font-weight: 500; }
.stop-square { width: 0.9rem; height: 0.9rem; border-radius: 3px; background: var(--text); flex: none; transform: scale(0.72); }

/* The name, arriving last. */
.story__wordmark {
  position: absolute;
  left: 50%;
  bottom: -9%;
  translate: -50% 0;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.2rem + 2.6vw, 3.6rem);
  letter-spacing: -0.03em;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 700ms ease, transform 900ms var(--ease-out);
}
.story__wordmark em { font-style: italic; background: var(--spectrum); -webkit-background-clip: text; background-clip: text; color: transparent; filter: var(--spectrum-filter); }
.story[data-chapter="3"] .story__wordmark { opacity: 1; transform: none; transition-delay: 300ms; }
.story[data-chapter="3"] .orb--story { transform: scale(1.04); }

/* Chapters */
.story__chapters { grid-column: 1; grid-row: 1; }
.chapter {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-4);
  max-width: 30rem;
  padding: var(--space-8) 0;
  opacity: 0.28;
  transition: opacity 600ms ease;
}
.chapter.is-current { opacity: 1; }
.chapter p { color: var(--text-muted); font-size: var(--step-1); line-height: 1.6; text-wrap: pretty; }
.chapter__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--step-4);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-3);
}
.chapter__title em { font-style: italic; }
.chapter .chapter__aside { font-family: var(--font-display); font-style: italic; font-size: var(--step-2); color: var(--text); }
.strike { position: relative; white-space: nowrap; }
.strike::after {
  content: "";
  position: absolute;
  left: -2%;
  right: -2%;
  top: 55%;
  height: 0.06em;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 800ms var(--ease-out) 300ms;
}
.story:not([data-chapter="1"]) .strike::after { transform: scaleX(1); }

/* Phones: the stage pins to the top half, chapters scroll up underneath it. */
@media (max-width: 900px) {
  .story { grid-template-columns: minmax(0, 1fr); }
  .story__stage {
    grid-column: 1;
    height: 56svh;
    top: 0;
    z-index: 2;
    padding-top: 3.5rem;
    background: linear-gradient(var(--bg) 90%, transparent);
  }
  .story__scene { width: min(64vw, 330px); }
  .story__chapters { grid-row: 2; }
  .chapter { min-height: 72svh; padding: 0 0 var(--space-8); justify-content: flex-start; }
  .story__refusals li { font-size: 0.72rem; max-width: 10.5rem; }
  .story__activity { font-size: 0.72rem; right: -8%; }
  .story__wordmark { bottom: -3%; }
}

@media (prefers-reduced-motion: reduce) {
  .story[data-live][data-chapter="1"] .story__refusals li { animation: none; }
}