/* ============================================================================
   METANOIA · THE INSIGHT — V3 · "Games vs Real Life"
   Two-column split (matched to The Problem): fixed thesis left · focal
   primitive readout right, fed by a spectrum track of 7 nodes.
   Phase I · Prism.
   ============================================================================ */

.insight-v3 { padding: 150px 0 140px; }
.insight.insight-v3 .wrap-narrow {
  width: min(1180px, 100%);
  max-width: none;
  margin: 0 auto;
  padding: 0 48px;
  position: relative;
}

/* ---------- centered eyebrow (full width) ---------- */
.insight-v3 .insight-eyebrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 0 78px;
}

/* ---------- two-column split: stage LEFT · thesis RIGHT (mirrors Problem) ---------- */
.insight-split {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
  gap: clamp(48px, 6vw, 92px);
  align-items: center;
}

/* ---------- left: thesis (title + lede), flush-left ---------- */
/* distribute vertically so the column matches the right stage's height:
   title aligns with the card top, lede settles near the rail */
.insight-intro {
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 30px;
  padding: 4px 0;
}
.insight-intro .insight-head {
  margin: 0;
  font-family: var(--font-display); font-weight: 400;
  color: var(--fg1);
  text-wrap: balance;
}
.insight-intro .ih-lead {
  display: block;
  font-size: clamp(18px, 1.9vw, 24px);
  letter-spacing: -0.01em; line-height: 1.3;
  color: var(--fg2); font-weight: 400;
  margin-bottom: 16px;
}
.insight-intro .ih-main {
  display: block;
  font-size: clamp(38px, 4.6vw, 64px); line-height: 1.05; letter-spacing: -0.03em;
}
.insight-intro .insight-head .grad {
  background: var(--gradient-phases);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.insight-intro .lede {
  margin: 0;
  max-width: 460px;
  font-size: clamp(16px, 1.6vw, 18.5px); line-height: 1.65;
  color: var(--fg2); font-weight: 300;
  text-align: left;
  text-wrap: pretty;
}
.insight-intro .lede em {
  font-style: normal; font-weight: 500;
  color: var(--fg1);
}

/* ============================ THE PRIMITIVE STAGE ============================
   Mirrored vs the Problem section: stage sits LEFT, copy RIGHT.
   A vertical spectrum rail runs down the left edge of a side-by-side
   "In games  vs  In real life" duel card.
   ============================================================================ */
.insight-stage {
  width: 100%;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: clamp(22px, 2.2vw, 38px);
  align-items: stretch;
}

/* ---------- vertical spectrum rail (left edge) ---------- */
.primitive-rail {
  position: relative;
  width: 32px;
  align-self: stretch;
  min-height: 340px;
}
.primitive-rail .rail-line {
  position: absolute;
  top: 0; bottom: 0; left: 50%;
  width: 1px;
  transform: translateX(-0.5px);
  background: linear-gradient(180deg, var(--act-1), var(--act-2), var(--act-3), var(--act-5), var(--act-7));
  opacity: 0.32;
  transform-origin: top center;
}
.insight-stage[data-revealed] .rail-line {
  animation: rail-line-draw 1100ms cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes rail-line-draw {
  from { transform: translateX(-0.5px) scaleY(0); }
  to   { transform: translateX(-0.5px) scaleY(1); }
}
.rail-node {
  position: absolute;
  left: 50%; top: var(--pos);
  transform: translate(-50%, -50%);
  width: 30px; height: 30px;
  display: grid; place-items: center;
  background: transparent; border: 0; padding: 0;
  cursor: pointer;
  z-index: 1;
}
.rail-node .rn-tag { display: none; }
.rail-node .rn-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--canvas-black);
  border: 1.5px solid var(--c);
  box-shadow: 0 0 0 4px var(--canvas-black);
  transition: transform 320ms var(--ease-spring), box-shadow 320ms var(--ease-out-soft), background 320ms var(--ease-out-soft);
}
.rail-node:hover .rn-dot { transform: scale(1.25); }
.rail-node:focus-visible { outline: none; }
.rail-node:focus-visible .rn-dot {
  box-shadow: 0 0 0 4px var(--canvas-black), 0 0 0 7px color-mix(in srgb, var(--c) 40%, transparent);
}
.rail-node[data-active] .rn-dot {
  background: var(--c);
  transform: scale(1.5);
  box-shadow: 0 0 0 7px var(--canvas-black), 0 0 18px var(--c);
}
/* scroll-reveal stagger */
.rail-node { opacity: 0; }
.insight-stage[data-revealed] .rail-node { opacity: 1; transition: opacity 460ms var(--ease-out-soft); }
.insight-stage[data-revealed] .rail-node:nth-child(3) { transition-delay: 300ms; }
.insight-stage[data-revealed] .rail-node:nth-child(4) { transition-delay: 380ms; }
.insight-stage[data-revealed] .rail-node:nth-child(5) { transition-delay: 460ms; }
.insight-stage[data-revealed] .rail-node:nth-child(6) { transition-delay: 540ms; }
.insight-stage[data-revealed] .rail-node:nth-child(7) { transition-delay: 620ms; }
.insight-stage[data-revealed] .rail-node:nth-child(8) { transition-delay: 700ms; }

/* ---------- the duel card ---------- */
.primitive-readout {
  position: relative;
  display: flex; flex-direction: column;
  padding: 30px 30px 30px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 22px;
  background:
    radial-gradient(130% 90% at 0% 0%, color-mix(in srgb, var(--c, var(--act-1)) 8%, transparent) 0%, transparent 58%),
    linear-gradient(180deg, rgba(255,255,255,0.022), rgba(255,255,255,0));
  overflow: hidden;
  transition: background 420ms var(--ease-out-soft);
}

/* head: index · name */
.primitive-head {
  display: flex; flex-direction: column; gap: 10px;
  padding-bottom: 22px;
  margin-bottom: 22px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.primitive-progress {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-display); font-weight: 600;
  font-size: 10.5px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--fg3);
}
.primitive-progress .pp-cur {
  color: var(--c, var(--act-1)); font-variant-numeric: tabular-nums;
  font-size: 13px; letter-spacing: 0.12em;
  transition: color 360ms var(--ease-out-soft);
}
.primitive-progress .pp-divider { color: var(--fg3); opacity: 0.5; }
.primitive-progress .pp-total { color: var(--fg3); font-variant-numeric: tabular-nums; font-size: 13px; letter-spacing: 0.12em; }
.primitive-progress .pp-label { margin-left: 6px; }
.primitive-name {
  margin: 0;
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(28px, 3.2vw, 42px); line-height: 1.0; letter-spacing: -0.02em;
  color: var(--c, var(--act-1));
  transition: color 360ms var(--ease-out-soft);
}

/* the side-by-side duel */
.duel {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  gap: 0;
  flex: 1;
}
.duel-panel {
  display: flex; flex-direction: column; gap: 12px;
  padding: 22px 22px;
  border-radius: 14px;
}
.duel-game {
  background: color-mix(in srgb, var(--c, var(--act-1)) 9%, transparent);
  border: 1px solid color-mix(in srgb, var(--c, var(--act-1)) 26%, transparent);
  box-shadow: inset 0 0 26px color-mix(in srgb, var(--c, var(--act-1)) 9%, transparent);
  transition: background 420ms var(--ease-out-soft), border-color 420ms var(--ease-out-soft), box-shadow 420ms var(--ease-out-soft);
}
.duel-life {
  background: rgba(255,255,255,0.018);
  border: 1px solid rgba(255,255,255,0.07);
}
.dp-label {
  font-family: var(--font-display); font-weight: 600;
  font-size: 9.5px; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--fg3);
  display: inline-flex; align-items: center; gap: 8px;
}
.dp-label::before {
  content: ''; width: 14px; height: 1px; background: currentColor; opacity: 0.6;
}
.duel-game .dp-label { color: var(--c, var(--act-1)); }
.dp-text {
  margin: 0;
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(16px, 1.7vw, 20px); line-height: 1.32; letter-spacing: -0.01em;
  text-wrap: balance;
  /* reserve 3 lines so the card never jumps as copy changes */
  min-height: calc(1.32em * 3);
}
.duel-game .dp-text { color: color-mix(in srgb, var(--c, var(--act-1)) 72%, var(--fg1)); }
.duel-life .dp-text { color: var(--fg1); }

/* the charged spine between the two worlds */
.duel-spine {
  position: relative;
  width: 44px;
  display: grid; place-items: center;
}
.duel-spine::before {
  content: '';
  position: absolute; top: 8px; bottom: 8px; left: 50%;
  width: 1px; transform: translateX(-0.5px);
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--c, var(--act-1)) 55%, transparent), transparent);
  transition: background 420ms var(--ease-out-soft);
}
.duel-vs {
  position: relative;
  font-family: var(--font-display); font-weight: 400;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg3);
  background: var(--canvas-black);
  padding: 6px 0;
}

/* crossfade on change */
.primitive-name,
.dp-text {
  transition: opacity 280ms var(--ease-out-soft), transform 280ms var(--ease-out-soft), color 360ms var(--ease-out-soft);
}
.primitive-readout.is-changing .primitive-name,
.primitive-readout.is-changing .dp-text {
  opacity: 0; transform: translateY(8px);
}

/* ---------- closing manifesto ---------- */
.insight-manifesto {
  max-width: 720px;
  margin: 64px auto 0;
  padding: 0 12px;
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(20px, 2.1vw, 28px); letter-spacing: -0.015em; line-height: 1.35;
  color: var(--fg1);
  text-align: center;
  text-wrap: balance;
  position: relative;
}
.insight-manifesto::before,
.insight-manifesto::after {
  content: '';
  display: block;
  width: 64px; height: 2px;
  margin: 0 auto 28px;
  background: var(--gradient-spectrum);
  border-radius: 999px;
  opacity: 0.7;
}
.insight-manifesto::after {
  margin: 28px auto 0;
  background: var(--gradient-spectrum);
}
.insight-manifesto em {
  font-style: normal;
  background: var(--gradient-spectrum);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 500;
}

/* ---------- responsive ---------- */
@media (max-width: 920px) {
  .insight-split {
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: stretch;
  }
  .insight-intro { text-align: center; justify-content: flex-start; gap: 24px; }
  .insight-intro .lede { margin: 0 auto; text-align: center; }
  .insight-v3 .insight-eyebrow { margin-bottom: 40px; }
}
@media (max-width: 600px) {
  .insight-v3 { padding: 100px 0 96px; }
  .insight-v3 .wrap-narrow { padding: 0 24px; }
  .primitive-card { padding: 32px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .rail-line { animation: none !important; transform: translateY(-0.5px) !important; }
  .rail-node { opacity: 1 !important; transition: none !important; }
  .primitive-name, .cr-text { transition: none !important; }
}