/* ============================================================
   screen-06.css — Closing screen + Behind the Scenes modal
   ============================================================ */

/* ---- Screen base: pure black ---- */
#screen-06 {
  background: var(--color-bg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 40px 60px;
}

/* ---- Screen label top-left ---- */
.closing-label {
  position: absolute;
  top: 56px;
  left: 24px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  opacity: 0.4;
}

/* ================================================================
   Two-panel Giphy composition (PRD v2 Act 4)
   together (left) × loneliness (right), thin vertical divider.
   Both panels are forced to identical dimensions — GIFs fit inside
   a fixed 4:3 box regardless of their native aspect ratio.
   ================================================================ */
.closing-composition {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: min(92vw, 1100px);
  margin-bottom: 36px;
}

.closing-panel {
  position: relative;
  flex: 0 0 min(40vw, 460px);
  width: min(40vw, 460px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  opacity: 0;
  transform: translateX(0);
  transition: opacity 700ms cubic-bezier(0.22, 1, 0.36, 1),
              transform 900ms cubic-bezier(0.22, 1, 0.36, 1);
}

.closing-panel-together   { transform: translateX(-80px); }
.closing-panel-loneliness { transform: translateX(80px);  }

.closing-composition.comp-visible .closing-panel {
  opacity: 1;
  transform: translateX(0);
}

.closing-gif {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 3px;
}

.closing-panel-label {
  font-family: var(--font-redaction-70, var(--font-redaction-50, serif));
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  letter-spacing: -0.01em;
  color: rgba(255, 255, 255, 0.68);
  opacity: 0;
  transition: opacity 500ms ease-out 400ms;
}

.closing-panel-together  .closing-panel-label { color: #F44336; }
.closing-panel-loneliness .closing-panel-label { color: #4FC3F7; }

.closing-composition.comp-visible .closing-panel-label { opacity: 1; }

.closing-divider {
  width: 1px;
  align-self: stretch;
  background: rgba(255, 255, 255, 0.1);
  margin: 0 24px;
  opacity: 0;
  transition: opacity 500ms ease-out 600ms;
}

.closing-composition.comp-visible .closing-divider { opacity: 1; }

/* ---- Labels below composition ---- */
.closing-labels {
  font-family: var(--font-redaction-70);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  text-align: center;
  margin-bottom: 10px;
  opacity: 0;
  transition: opacity 400ms ease-out;
}
.closing-labels.lbl-visible { opacity: 1; }

.closing-subtext {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-style: italic;
  text-align: center;
  margin-bottom: 28px;
  opacity: 0;
  transition: opacity 400ms ease-out;
}
.closing-subtext.lbl-visible { opacity: 1; }

.closing-poetic {
  font-family: var(--font-redaction-50);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.45;
  margin-bottom: 48px;
  opacity: 0;
  transition: opacity 400ms ease-out;
}
.closing-poetic.lbl-visible { opacity: 1; }

/* ---- CTAs ---- */
.closing-ctas {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  position: absolute;
  bottom: 48px;
  left: 7vw;
  opacity: 0;
  transition: opacity 400ms ease-out;
}
.closing-ctas.lbl-visible { opacity: 1; }

.closing-cta-btn {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  opacity: 0.5;
  letter-spacing: 0.04em;
  transition: opacity var(--transition-fast), color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}
.closing-cta-btn:hover { opacity: 0.9; color: var(--color-text-primary); }

/* ================================================================
   Reduced motion overrides
   ================================================================ */
body.reduced-motion .closing-composition,
body.reduced-motion .closing-panel,
body.reduced-motion .closing-panel-label,
body.reduced-motion .closing-divider,
body.reduced-motion .closing-labels,
body.reduced-motion .closing-subtext,
body.reduced-motion .closing-poetic,
body.reduced-motion .closing-ctas {
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}

@media (prefers-reduced-motion: reduce) {
  .closing-composition, .closing-panel, .closing-panel-label,
  .closing-divider, .closing-labels, .closing-subtext,
  .closing-poetic, .closing-ctas {
    opacity: 1 !important; transform: none !important; transition: none !important;
  }
}

/* ================================================================
   Behind the Scenes modal
   ================================================================ */
#bts-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(8, 8, 8, 0.97);
  overflow-y: auto;
  padding: 80px clamp(40px, 8vw, 160px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity    400ms ease-out,
    visibility 0s linear 400ms;
}

#bts-modal.bts-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity 400ms ease-out, visibility 0s linear 0s;
}

.bts-close-btn {
  position: fixed;
  top: 24px;
  right: 32px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--color-text-muted);
  opacity: 0.6;
  transition: opacity var(--transition-fast);
  z-index: calc(var(--z-modal) + 1);
  display: flex;
  align-items: center;
}
.bts-close-btn:hover { opacity: 1; }

/* Section headers */
.bts-section-header {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  opacity: 0.45;
  margin-bottom: 28px;
}

/* Research flowmap SVG */
#bts-flowmap {
  width: 100%;
  max-width: 760px;
  margin: 0 auto 64px;
  display: block;
}

/* Flowmap nodes */
.flow-node rect {
  fill: var(--color-surface);
  stroke: var(--color-border);
  stroke-width: 1;
}
.flow-node.node-theory rect { stroke: var(--color-accent-cyan); }
.flow-node.node-district rect { stroke: var(--color-accent-violet); }
.flow-node.node-phase rect   { stroke: var(--color-accent-amber); }

.flow-node text {
  font-family: var(--font-mono);
  font-size: 9px;
  fill: var(--color-text-primary);
  text-anchor: middle;
  dominant-baseline: middle;
}

/* Flowmap edges */
.flow-edge {
  stroke: var(--color-border);
  stroke-width: 1;
  fill: none;
  /* Draw-on animation */
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  transition: stroke-dashoffset 800ms ease-out;
}
.flow-edge.edge-drawn { stroke-dashoffset: 0; }

/* Editorial body */
.bts-editorial {
  max-width: 680px;
  margin: 0 auto 64px;
}

.bts-para {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

/* Credits */
.bts-credits {
  max-width: 480px;
  margin: 0 auto;
  border-top: 1px solid var(--color-border);
  padding-top: 32px;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 32px;
  row-gap: 10px;
}

.credit-key {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  opacity: 0.5;
  white-space: nowrap;
}
.credit-val {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-muted);
}