/* SLIDE 4 · Calibration (rhetorical)
   Stage A · .started   — question + instructions + range placeholders
   Stage B · .revealed  — instructions/range fade, answer flies in,
                          expected vs typical-audience bars, hit rate counts up.
   No collection — numbers are research benchmarks, not live data.
*/

.slide-4 { flex-direction: column; }

.slide-4 .stage-4 {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 900px;
  width: 100%;
  /* No gap — we use explicit margin-bottom on each child so that zero-height
     (collapsed) siblings don't contribute phantom spacing. */
  gap: 0;
}

.slide-4 .eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.25em;
  color: var(--paper-ghost);
  text-transform: uppercase;
  display: flex;
  gap: 10px;
  margin-bottom: 4vh;
  opacity: 0;
}
.slide-4 .eyebrow .sep { opacity: 0.5; }
.slide-4.started .eyebrow {
  animation: s4-fade 700ms var(--ease-out-quart) 200ms forwards;
}

.slide-4 .question {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 600;
  font-variation-settings: "opsz" 144, "wght" 600;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--paper);
  text-align: center;
  margin-bottom: 3vh;
  opacity: 0;
  transform: translateY(10px);
  transition: font-size 600ms var(--ease-out-quart),
              color 500ms ease,
              margin-bottom 500ms ease;
}
.slide-4.started .question {
  animation: s4-rise 900ms var(--ease-out-quart) 500ms forwards;
}
.slide-4.revealed .question {
  font-size: clamp(1.3rem, 2.4vw, 2rem);
  color: var(--paper-dim);
}

.slide-4 .instructions {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  color: var(--paper-dim);
  text-align: center;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 500ms ease, transform 500ms ease;
}
.slide-4.started .instructions {
  animation: s4-rise 700ms var(--ease-out-quart) 900ms forwards;
}
.slide-4 .instructions .num {
  color: var(--accent);
  font-weight: 500;
}

.slide-4 .range-display {
  display: flex;
  gap: 70px;
  margin-top: 0;
  margin-bottom: 0;
  opacity: 0;
  transform: translateY(6px);
  overflow: hidden;
  max-height: 200px;
  transition: opacity 500ms ease, max-height 500ms ease, margin 500ms ease;
}
.slide-4.started .range-display {
  animation: s4-rise 700ms var(--ease-out-quart) 1100ms forwards;
}
.slide-4 .rng-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 0;
  min-width: 140px;
}
.slide-4 .rng-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--paper-ghost);
}
/* typographic underline input — no box, just a line waiting to be filled */
.slide-4 .rng-underline {
  width: 140px;
  height: 1px;
  background: var(--paper-ghost);
}

/* On reveal, instructions + range collapse entirely so the answer has room. */
.slide-4 .instructions {
  overflow: hidden;
  max-height: 80px;
  margin-bottom: 2vh;
  transition: opacity 400ms ease, max-height 400ms ease, margin 400ms ease;
}
.slide-4.revealed .instructions,
.slide-4.revealed .range-display {
  opacity: 0;
  max-height: 0;
  margin: 0;
  pointer-events: none;
}

.slide-4 .reveal-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5vh;
  width: 100%;
  margin-top: 0;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity 700ms var(--ease-out-quart),
              max-height 600ms ease,
              margin-top 500ms ease,
              transform 700ms var(--ease-out-quart);
}
.slide-4.revealed .reveal-block {
  opacity: 1;
  max-height: 900px;
  margin-top: 2vh;
  transform: translateY(0);
  pointer-events: auto;
  transition-delay: 300ms;
}

.slide-4 .answer-line {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.slide-4 .answer-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--paper-ghost);
}
.slide-4 .answer-num {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 900;
  font-variation-settings: "opsz" 144, "wght" 900;
  font-size: clamp(3.5rem, 9vw, 7rem);
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--paper);
  font-feature-settings: "tnum" 1;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  transition: opacity 800ms var(--ease-out-quart),
              transform 800ms var(--ease-out-quart);
}
.slide-4.revealed .answer-num {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition-delay: 500ms;
}

.slide-4 .hit-rate {
  display: flex;
  flex-direction: column;
  gap: 18px;
  width: 100%;
  max-width: 700px;
}
.slide-4 .hr-row {
  display: grid;
  grid-template-columns: 210px 1fr 110px;
  gap: 24px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-dim);
}
.slide-4 .hr-bar-outer {
  height: 8px;
  background: transparent;
  border: 1px solid var(--paper-ghost);
  border-radius: 2px;
  overflow: visible;
  position: relative;
}
.slide-4 .hr-bar {
  height: 100%;
  width: 0%;
  transition: width 1400ms var(--ease-out-quart);
}
.slide-4 .hr-expected { background: var(--paper-ghost); }
.slide-4 .hr-actual   { background: var(--accent); }

.slide-4 .hr-value {
  color: var(--paper);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  text-align: right;
  letter-spacing: 0.05em;
}
.slide-4 .hr-expected-val { color: var(--paper-dim); }
/* The actual-value is the punchline stat — scale it up so it reads as the finding */
.slide-4 .hr-actual-val {
  color: var(--accent);
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1;
}

.slide-4.revealed .hr-expected { width: 90%; transition-delay: 900ms; }
.slide-4.revealed .hr-actual   { width: 38%; transition-delay: 1200ms; }

/* overconfidence gap — dashed line spanning from actual-bar end (38%) to
   expected-bar end (90%), with a floating label above. Appears after bars fill. */
.slide-4 .hr-gap {
  position: absolute;
  left: 38%;
  right: 10%; /* 100% - 90% */
  top: -24px;
  bottom: -24px;
  pointer-events: none;
  opacity: 0;
}
.slide-4.revealed .hr-gap {
  opacity: 1;
  transition: opacity 500ms ease 2600ms;
}
.slide-4 .hr-gap-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 0;
  border-top: 1.5px dashed var(--accent);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 900ms var(--ease-out-quart) 2700ms;
}
.slide-4.revealed .hr-gap-line { transform: scaleX(1); }
.slide-4 .hr-gap-line::before,
.slide-4 .hr-gap-line::after {
  content: '';
  position: absolute;
  top: -5px;
  width: 1.5px;
  height: 12px;
  background: var(--accent);
}
.slide-4 .hr-gap-line::before { left: 0; }
.slide-4 .hr-gap-line::after  { right: 0; }

.slide-4 .hr-gap-label {
  position: absolute;
  left: 50%;
  top: -14px;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--ink);
  padding: 0 8px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 500ms ease 3200ms;
}
.slide-4.revealed .hr-gap-label { opacity: 1; }

.slide-4 .reveal-source {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-ghost);
  text-align: center;
}

@keyframes s4-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes s4-rise {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}