/* ============================================================
   The story — one window, six acts
   ============================================================ */
.story { scroll-margin-top: 0; padding: 140px 0; }
.story-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 34px;
}

/* ----- captions ----- */
.story-caps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  text-align: center;
}
.caps { display: grid; }
.cap { max-width: 620px; }
.cap-meta {
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}
.cap-num {
  font: 600 12px var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--accent);
}
.cap-num::after { content: " /"; color: rgba(233, 233, 230, 0.25); }
.cap-name {
  font: 500 11px var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.cap-line {
  font: 500 clamp(1.15rem, 1.9vw, 1.5rem)/1.4 var(--font-display);
  letter-spacing: -0.012em;
}
.beat-dots {
  display: flex;
  gap: 10px;
}
.beat-dots li {
  width: 7px; height: 7px;
  border-radius: 1px;
  background: rgba(233, 233, 230, 0.16);
  transition: background 0.4s var(--ease), transform 0.4s var(--ease);
}

/* ----- static layout (no JS / reduced motion) ----- */
html:not(.js-motion) .story .panes { display: grid; }
html:not(.js-motion) .story .pane { border-top: 1px solid var(--line-soft); }
html:not(.js-motion) .story .pane:first-child { border-top: 0; }
html:not(.js-motion) .story .pane { padding-bottom: 10px; }
html:not(.js-motion) .grant-card { margin: 14px 14px 16px; }
html:not(.js-motion) .caps { gap: 30px; }
html:not(.js-motion) .beat-dots { display: none; }
html:not(.js-motion) .row-agent { opacity: 0.55; }
html:not(.js-motion) .row-agent .step-text {
  text-decoration: line-through rgba(233, 233, 230, 0.45);
}
html:not(.js-motion) .win-badge .n-before { opacity: 0; }
html:not(.js-motion) .win-badge .n-after { opacity: 1; }
html:not(.js-motion) .state-badge .st-open { display: none; }
html:not(.js-motion) .state-badge .st-merged { display: inline; }
html:not(.js-motion) .dok { opacity: 1; transform: none; }
html:not(.js-motion) .merged-line { opacity: 1; transform: none; }
html:not(.js-motion) .tab[data-tab="files"] { color: var(--ink); }
html:not(.js-motion) .scope-chip { display: none; }

/* ----- the pinned cinematic ----- */
.js-motion .story { height: 660vh; padding: 0; }
.js-motion .story-pin {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  display: flex;
  align-items: center;
}
.js-motion .story-stage { width: min(var(--container), 100% - 48px); }
.js-motion .story-window {
  height: 470px;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.js-motion .story:not([data-act="0"]) .story-window {
  opacity: 1;
  transform: none;
}
@keyframes winpulse {
  0%   { transform: scale(1); }
  45%  { transform: scale(1.014); }
  100% { transform: scale(1); }
}
.story[data-act="5"] .story-window { animation: winpulse 0.8s var(--ease) 0.55s 1; }

.js-motion .panes {
  position: absolute;
  top: 47px; left: 0; right: 0; bottom: 0;
}
.js-motion .story-window { position: relative; }
.js-motion .pane {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
  pointer-events: none;
}
.story[data-act="1"] .pane-files,
.story:is([data-act="2"], [data-act="3"], [data-act="6"], [data-act="done"]) .pane-history,
.story:is([data-act="4"], [data-act="5"]) .pane-reviews {
  opacity: 1;
  transform: none;
  transition-delay: 0.25s;
}

/* tabs per act */
.story[data-act="1"] .tab[data-tab="files"],
.story:is([data-act="2"], [data-act="3"], [data-act="6"], [data-act="done"]) .tab[data-tab="history"],
.story:is([data-act="4"], [data-act="5"]) .tab[data-tab="reviews"] { color: var(--ink); }
.story[data-act="1"] .tab[data-tab="files"]::after,
.story:is([data-act="2"], [data-act="3"], [data-act="6"], [data-act="done"]) .tab[data-tab="history"]::after,
.story:is([data-act="4"], [data-act="5"]) .tab[data-tab="reviews"]::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}
.story[data-act="4"] .tab-count { opacity: 1; transform: scale(1); }

/* act 1 — files build up, Mara's upload lands */
.js-motion .pane-files .row {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.story[data-act="1"] .pane-files .row {
  opacity: 1;
  transform: none;
  transition-delay: calc(0.3s + var(--i) * 0.11s);
}
.story[data-act="1"] .pane-files .row.is-new { transition-delay: 1.25s; }
.js-motion .pane-files .row.is-new::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 77, 0, 0.10);
  opacity: 0;
}
.story[data-act="1"] .pane-files .row.is-new::after {
  animation: newpulse 1.8s var(--ease) 1.3s 1;
}
@keyframes newpulse {
  0%   { opacity: 0; }
  20%  { opacity: 1; }
  100% { opacity: 0; }
}
.js-motion .win-toast {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.story[data-act="1"] .win-toast {
  opacity: 1;
  transform: none;
  transition-delay: 1.75s;
}
.story[data-act="1"] .win-badge .n-before { opacity: 0; transition-delay: 1.45s; }
.story[data-act="1"] .win-badge .n-after { opacity: 1; transition-delay: 1.45s; }

/* act 2 — history: the version arrives with a name on it */
.js-motion .pane-history .row {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.story:is([data-act="2"], [data-act="3"], [data-act="6"], [data-act="done"]) .pane-history .row:not(.row-agent):not(.row-undo) {
  opacity: 1;
  transform: none;
  transition-delay: calc(0.3s + var(--i) * 0.12s);
}
.js-motion .pane-history .row-agent,
.js-motion .pane-history .row-undo { opacity: 0; }
.js-motion .row-upload { position: relative; }
.js-motion .row-upload::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(233, 233, 230, 0.06);
  opacity: 0;
}
.story[data-act="2"] .row-upload::after { animation: newpulse 2s var(--ease) 0.9s 1; }
.js-motion .hist-end {
  opacity: 0;
  transition: opacity 0.6s var(--ease) 0.9s;
}
.story:is([data-act="2"], [data-act="3"], [data-act="6"], [data-act="done"]) .hist-end { opacity: 1; }

/* act 3 — invite: the grant dialog */
.js-motion .grant-card {
  position: absolute;
  left: 50%;
  bottom: 22px;
  width: min(400px, calc(100% - 44px));
  transform: translate(-50%, 18px);
  opacity: 0;
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
  pointer-events: none;
  z-index: 2;
}
.story[data-act="3"] .grant-card {
  opacity: 1;
  transform: translate(-50%, 0);
  transition-delay: 0.35s;
}
.story[data-act="3"] .pane-history .rows,
.story[data-act="3"] .pane-history .win-day,
.story[data-act="3"] .pane-history .hist-end {
  opacity: 0.3;
  transition: opacity 0.55s var(--ease) 0.3s;
}
.story[data-act="4"] .grant-card .btn-mock.solid { animation: press 0.5s var(--ease) 1; }
.story[data-act="4"] .grant-card {
  opacity: 0;
  transform: translate(-50%, -6px);
  transition-delay: 0.45s;
}

/* act 4 — the proposal arrives */
.js-motion .pane-reviews .prop-head,
.js-motion .pane-reviews .diff-pills,
.js-motion .pane-reviews .prop-note,
.js-motion .pane-reviews .prop-actions {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.js-motion .diff li {
  opacity: 0;
  transform: translateX(12px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.story:is([data-act="4"], [data-act="5"]) .pane-reviews .prop-head { opacity: 1; transform: none; transition-delay: 0.3s; }
.story:is([data-act="4"], [data-act="5"]) .pane-reviews .diff-pills { opacity: 1; transform: none; transition-delay: 0.45s; }
.story:is([data-act="4"], [data-act="5"]) .diff li { opacity: 1; transform: none; transition-delay: calc(0.5s + var(--i) * 0.14s); }
.story:is([data-act="4"], [data-act="5"]) .pane-reviews .prop-note { opacity: 1; transform: none; transition-delay: 0.95s; }
.story:is([data-act="4"], [data-act="5"]) .pane-reviews .prop-actions { opacity: 1; transform: none; transition-delay: 1.05s; }

/* act 5 — merge */
.story[data-act="5"] .pane-reviews .btn-mock.solid { animation: press 0.6s var(--ease) 0.35s 1; }
.story[data-act="5"] .dok { opacity: 1; transform: none; }
.story[data-act="5"] .diff li:nth-child(1) .dok { transition-delay: 0.7s; }
.story[data-act="5"] .diff li:nth-child(2) .dok { transition-delay: 0.85s; }
.story[data-act="5"] .diff li:nth-child(3) .dok { transition-delay: 1s; }
.story[data-act="5"] .state-badge .st-open { display: none; }
.story[data-act="5"] .state-badge .st-merged { display: inline; }
.story[data-act="5"] .merged-line {
  opacity: 1;
  transform: none;
  transition-delay: 1.2s;
}

/* act 6 — undo: inky's version arrives, gets struck, You take it back */
.js-motion .row-agent .step-text { text-decoration: line-through transparent; }
.story:is([data-act="6"], [data-act="done"]) .row-agent {
  animation: rowAgent 2.4s var(--ease) 0.35s both;
}
.story:is([data-act="6"], [data-act="done"]) .row-agent .step-text {
  animation: strike 2.4s var(--ease) 0.35s both;
}
@keyframes rowAgent {
  0%        { opacity: 0; transform: translateY(8px); }
  16%, 52%  { opacity: 1; transform: none; }
  78%, 100% { opacity: 0.55; transform: none; }
}
@keyframes strike {
  0%, 52%   { text-decoration-color: transparent; }
  78%, 100% { text-decoration-color: rgba(233, 233, 230, 0.45); }
}
.story:is([data-act="6"], [data-act="done"]) .row-undo {
  animation: rowUndo 0.6s var(--ease) 2.2s both;
}
@keyframes rowUndo {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

/* captions crossfade */
.js-motion .cap {
  grid-area: 1 / 1;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.story[data-act="1"] .cap[data-cap="1"],
.story[data-act="2"] .cap[data-cap="2"],
.story[data-act="3"] .cap[data-cap="3"],
.story[data-act="4"] .cap[data-cap="4"],
.story[data-act="5"] .cap[data-cap="5"],
.story:is([data-act="6"], [data-act="done"]) .cap[data-cap="6"] {
  opacity: 1;
  transform: none;
  transition-delay: 0.15s;
}
.story[data-act="1"] .beat-dots li[data-dot="1"],
.story[data-act="2"] .beat-dots li[data-dot="2"],
.story[data-act="3"] .beat-dots li[data-dot="3"],
.story[data-act="4"] .beat-dots li[data-dot="4"],
.story[data-act="5"] .beat-dots li[data-dot="5"],
.story:is([data-act="6"], [data-act="done"]) .beat-dots li[data-dot="6"] {
  background: var(--accent);
  transform: scale(1.35);
}
.js-motion .story-caps { min-height: 118px; }

/* the grant badge that tethers to the agent after the invite */
.scope-chip {
  position: fixed;
  z-index: 2;
  pointer-events: none;
  left: calc(var(--agent-x, -500) * 1px);
  top: calc(var(--agent-y, -500) * 1px + 62px);
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #101010;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}
.scope-chip .mono { font-size: 12px; color: var(--ink); }
.scope-sub { font: 500 11px var(--font-body); color: var(--ink-faint); }
.story:is([data-act="4"], [data-act="5"], [data-act="6"]) .scope-chip { opacity: 1; }