:root {
  color-scheme: light;
  --surface-primary: #F8FAFC;
  --surface-secondary: #FFFFFF;
  --surface-elevated: #F1F5F9;
  --surface-inverse: #111827;
  --text-primary: #111827;
  --text-secondary: #4B5563;
  --text-tertiary: #6B7280;
  --border-default: #E5E7EB;
  --border-strong: #CBD5E1;
  --accent-primary: #2563EB;
  --accent-secondary: #14B8A6;
  --accent-deep: #0F766E;
  --accent-blue-pale: #EFF6FF;
  --accent-blue-border: #BFDBFE;
  --accent-blue-text: #1E40AF;
  --surface-question-end: #172033;
  --status-warning: #F59E0B;
  --status-error: #DC2626;
  --shadow-timer: 0 18px 50px rgba(15, 23, 42, 0.14);
  --shadow-hover: 0 14px 30px rgba(15, 23, 42, 0.08);
  --glass-strong: rgba(255, 255, 255, 0.9);
  --glass-soft: rgba(255, 255, 255, 0.82);
  --contrast-muted: rgba(255, 255, 255, 0.76);
  --contrast-divider: rgba(255, 255, 255, 0.16);
  --contrast-track: rgba(255, 255, 255, 0.34);
  --focus-ring: rgba(37, 99, 235, 0.24);
  --accent-primary-wash: rgba(37, 99, 235, 0.10);
  --accent-primary-line: rgba(37, 99, 235, 0.20);
  --accent-secondary-wash: rgba(20, 184, 166, 0.14);
  --accent-secondary-line: rgba(20, 184, 166, 0.24);
  --accent-secondary-border: rgba(20, 184, 166, 0.36);
  --accent-secondary-tint: rgba(20, 184, 166, 0.08);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --motion-reveal: 760ms;
  --motion-slide-enter: 1100ms;
  --motion-slide-delay: 140ms;
  --motion-stage: 680ms;
  --timer-progress: 1;
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
  max-width: 100%;
  overflow-x: hidden;
  overflow-y: hidden;
  scroll-behavior: auto;
  scroll-snap-type: none;
}

html[data-focus-slide] {
  scroll-snap-type: none;
}

body {
  margin: 0;
  height: 100%;
  max-width: 100%;
  overflow-x: hidden;
  overflow-y: hidden;
  background: var(--surface-primary);
  color: var(--text-primary);
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", system-ui, sans-serif;
  text-rendering: optimizeLegibility;
}

.slides,
.slide,
.slide * {
  -webkit-user-select: none;
  user-select: none;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background: linear-gradient(180deg, var(--surface-secondary) 0%, var(--surface-primary) 48%, var(--surface-elevated) 100%);
}

button,
a,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  -webkit-user-drag: none;
  user-select: none;
}

.skip-link {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 20;
  transform: translateY(-140%);
  border: var(--space-1) solid var(--accent-primary);
  border-radius: var(--space-2);
  background: var(--surface-secondary);
  color: var(--text-primary);
  padding: var(--space-2) var(--space-3);
  text-decoration: none;
  transition: transform 160ms ease-out;
}

.skip-link:focus {
  transform: translateY(0);
}

.timer {
  position: fixed;
  top: var(--space-5);
  right: var(--space-5);
  z-index: 15;
  display: flex;
  flex-direction: row-reverse;
  align-items: center;
  gap: var(--space-3);
  border: 0;
  border-radius: var(--space-2);
  background: transparent;
  box-shadow: none;
  padding: 0;
}

.timer__ring {
  position: relative;
  display: grid;
  width: 76px;
  height: 76px;
  place-items: center;
  color: var(--text-primary);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 17px;
  font-weight: 800;
  text-shadow: 0 1px 0 var(--surface-secondary);
}

#timer-display {
  position: relative;
  z-index: 1;
  display: inline-block;
  min-width: 5ch;
  line-height: 1;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.timer__ring svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.timer__track,
.timer__progress {
  fill: none;
  stroke-width: 6;
}

.timer__track {
  stroke: var(--border-strong);
}

.timer__progress {
  stroke: var(--accent-primary);
  stroke-linecap: round;
  stroke-dasharray: 188.5;
  stroke-dashoffset: calc(188.5 * (1 - var(--timer-progress)));
  transition: stroke-dashoffset 220ms ease-in-out, stroke 220ms ease-in-out;
}

.timer__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 192px;
  opacity: 0;
  pointer-events: none;
  transform: translateX(var(--space-2));
  transition: opacity 180ms ease-out, transform 180ms ease-out;
}

.timer:hover .timer__actions,
.timer:focus-within .timer__actions {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.timer__duration {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--glass-soft);
  color: var(--text-primary);
  padding: var(--space-2);
  box-shadow: var(--shadow-hover);
  backdrop-filter: blur(14px);
}

.timer__duration input {
  width: 42px;
  border: 0;
  border-radius: var(--space-1);
  background: transparent;
  color: var(--text-primary);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 14px;
  font-weight: 850;
  text-align: right;
}

.timer__duration input:focus {
  outline: 0;
}

.timer__duration:focus-within {
  border-color: var(--accent-primary);
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.timer__duration span {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 850;
}

.timer button {
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--glass-soft);
  color: var(--text-primary);
  padding: var(--space-2) var(--space-3);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.2;
  box-shadow: var(--shadow-hover);
  backdrop-filter: blur(14px);
  transition: transform 120ms ease-out, border-color 180ms ease-out, background 180ms ease-out, box-shadow 180ms ease-out;
}

.timer button:hover {
  border-color: var(--accent-primary);
  background: var(--surface-secondary);
}

.timer button:active {
  transform: translateY(1px);
}

.timer button:focus-visible,
.slide-nav__dot:focus-visible,
.slide-count__button:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}

.timer.is-running #timer-toggle {
  background: var(--surface-inverse);
  color: var(--surface-secondary);
}

.timer.is-warning .timer__progress {
  stroke: var(--status-warning);
}

.timer.is-expired .timer__progress {
  stroke: var(--status-error);
}

.timer.is-expired #timer-display {
  color: var(--status-error);
}

html.is-dark-slide .timer__ring {
  color: var(--surface-secondary);
  text-shadow: none;
}

html.is-dark-slide .timer__track {
  stroke: var(--contrast-track);
}

.slide-nav {
  position: fixed;
  top: 50%;
  left: var(--space-5);
  z-index: 12;
  display: grid;
  gap: var(--space-3);
  transform: translateY(-50%);
}

.slide-nav__dot {
  width: 11px;
  height: 11px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--surface-secondary);
  padding: 0;
  transition: transform 180ms ease-out, background 180ms ease-out, border-color 180ms ease-out;
}

.slide-nav__dot:hover,
.slide-nav__dot.is-active {
  border-color: var(--accent-primary);
  background: var(--accent-primary);
  transform: scale(1.35);
}

.slides {
  position: relative;
  height: 100svh;
  overflow: hidden;
}

.slide {
  position: absolute;
  inset: 0;
  display: none;
  width: 100%;
  height: 100svh;
  min-height: 100svh;
  overflow: hidden;
  scroll-snap-align: none;
  align-items: center;
  padding: var(--space-20) var(--space-6);
}

.slide.is-active,
.slide.is-entering,
.slide.is-leaving,
html[data-focus-slide] .slide.is-focus {
  display: grid;
}

.slide.is-active {
  z-index: 1;
}

.slide.is-entering {
  z-index: 2;
}

.slide.is-leaving {
  z-index: 1;
  pointer-events: none;
}

.slide__inner {
  width: min(1180px, 100%);
  min-width: 0;
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.54fr) minmax(420px, 0.46fr);
  gap: var(--space-12);
  align-items: center;
  min-width: 0;
}

.slide--hero .hero-grid,
.slide--role .statement-grid {
  grid-template-columns: minmax(0, 572px) minmax(520px, 520px);
  gap: var(--space-10);
}

.slide--hero .hero-copy {
  margin-left: calc(-1 * var(--space-4));
}

.kicker {
  margin: 0 0 var(--space-5);
  color: var(--accent-deep);
  font-size: 14px;
  font-weight: 900;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: var(--space-6);
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 850;
  line-height: 1.08;
  letter-spacing: 0;
  word-break: keep-all;
}

.slide--hero h1 {
  max-width: none;
  font-size: clamp(40px, 3.85vw, 54px);
  line-height: 1.12;
  white-space: nowrap;
}

h2 {
  margin-bottom: var(--space-6);
  font-size: clamp(34px, 5vw, 64px);
  font-weight: 850;
  line-height: 1.12;
  letter-spacing: 0;
  word-break: keep-all;
}

h3 {
  margin-bottom: var(--space-3);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.35;
  word-break: keep-all;
}

h1 span {
  display: block;
}

.line {
  display: block;
}

p {
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1.7;
  word-break: keep-all;
}

.hero-copy__lead {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 700;
}

.hero-copy__meta {
  margin: 0;
  color: var(--text-tertiary);
  font-size: 18px;
  font-weight: 800;
}

.slide--hero .hero-copy .kicker {
  margin-bottom: var(--space-8);
}

.slide--hero .hero-copy h1 {
  margin-bottom: var(--space-8);
}

.slide--hero .hero-copy__lead {
  margin-bottom: var(--space-6);
}

.hero-context {
  min-width: 0;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--glass-strong);
  padding: var(--space-10) var(--space-8);
  box-shadow: var(--shadow-hover);
  backdrop-filter: blur(16px);
}

.slide--hero .hero-context {
  justify-self: end;
  width: min(100%, 520px);
}

.slide--role .flow-steps {
  justify-self: end;
  width: 520px;
}

.hero-context,
.slide--role .flow-steps {
  min-height: calc(var(--space-20) * 6 + var(--space-16));
}

.hero-context__eyebrow {
  margin-bottom: var(--space-6);
  color: var(--accent-deep);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0;
}

.hero-flow,
.flow-steps {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-flow {
  gap: 0;
}

.hero-flow li {
  display: grid;
  grid-template-columns: 50px 1fr;
  column-gap: var(--space-4);
  align-items: start;
  border-top: 1px solid var(--border-default);
  padding: var(--space-5) 0;
}

.hero-flow span {
  grid-row: span 2;
  color: var(--accent-primary);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 16px;
  font-weight: 900;
  line-height: 1.45;
}

.hero-flow strong {
  display: block;
  color: var(--text-primary);
  font-size: 22px;
  line-height: 1.35;
}

.hero-flow p {
  margin: var(--space-1) 0 0;
  color: var(--text-tertiary);
  font-size: 16px;
  line-height: 1.55;
}

.slide--hero .hero-context[data-stage-reveal]:not(.is-stage-visible) {
  opacity: 0;
  pointer-events: none;
  transform: translateY(var(--space-8)) scale(0.985);
  visibility: hidden;
}

.slide--hero .hero-context[data-stage-reveal].is-stage-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  visibility: visible;
}

.slide--hero .hero-context[data-stage-reveal] {
  transition:
    opacity var(--motion-stage) cubic-bezier(0.16, 1, 0.3, 1),
    transform var(--motion-stage) cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0s linear var(--motion-stage);
}

.slide--hero .hero-context[data-stage-reveal].is-stage-visible {
  transition-delay: 0s;
}

.slide--hero .hero-context[data-stage-reveal] .hero-flow li,
.slide--hero .hero-context[data-stage-reveal] .hero-context__eyebrow {
  opacity: 0;
  transform: translateY(var(--space-3));
}

.slide--hero .hero-context[data-stage-reveal].is-stage-visible .hero-context__eyebrow,
.slide--hero .hero-context[data-stage-reveal].is-stage-visible .hero-flow li {
  animation: hero-flow-enter 720ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.slide--hero .hero-context[data-stage-reveal].is-stage-visible .hero-context__eyebrow {
  animation-delay: 120ms;
}

.slide--hero .hero-context[data-stage-reveal].is-stage-visible .hero-flow li:nth-child(1) {
  animation-delay: 260ms;
}

.slide--hero .hero-context[data-stage-reveal].is-stage-visible .hero-flow li:nth-child(2) {
  animation-delay: 380ms;
}

.slide--hero .hero-context[data-stage-reveal].is-stage-visible .hero-flow li:nth-child(3) {
  animation-delay: 500ms;
}

.slide--hero .hero-context[data-stage-reveal].is-stage-visible .hero-flow li:nth-child(4) {
  animation-delay: 620ms;
}

@keyframes hero-flow-enter {
  from {
    opacity: 0;
    transform: translateY(var(--space-3));
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.flow-steps {
  gap: var(--space-3);
}

.flow-steps li {
  display: grid;
  grid-template-columns: 42px 1fr;
  column-gap: var(--space-4);
  align-items: start;
  border-top: 1px solid var(--border-default);
  padding-top: var(--space-4);
}

.flow-steps span {
  grid-row: span 2;
  color: var(--accent-primary);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 14px;
  font-weight: 900;
}

.flow-steps strong {
  display: block;
  color: var(--text-primary);
  font-size: 17px;
  line-height: 1.35;
}

.flow-steps p {
  margin: var(--space-1) 0 0;
  color: var(--text-tertiary);
  font-size: 14px;
  line-height: 1.55;
}

.staged-list li {
  border-radius: var(--space-2);
  padding-right: var(--space-3);
  padding-left: var(--space-3);
  opacity: 0.58;
  transition:
    transform 420ms cubic-bezier(0.16, 1, 0.3, 1),
    opacity 420ms ease-in-out,
    background 420ms ease-in-out,
    border-color 420ms ease-in-out;
}

.staged-list li.is-past-stage {
  opacity: 0.78;
}

.staged-list li.is-current-stage {
  border-color: var(--accent-secondary-border);
  background: linear-gradient(90deg, var(--accent-secondary-tint), var(--surface-secondary));
  opacity: 1;
  transform: translateX(var(--space-2)) scale(1.02);
}

.staged-list li.is-current-stage span,
.staged-list li.is-current-stage strong {
  color: var(--accent-deep);
  font-weight: 950;
}

.staged-list li.is-current-stage strong {
  font-size: 19px;
}

.section-head {
  max-width: 850px;
  margin-bottom: var(--space-10);
}

.section-head p,
.visual-layout__copy p,
.statement-copy p,
.question-prefix,
.closing-copy p {
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 500;
  line-height: 1.65;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.card-grid--four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.role-split,
.validation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
  margin: 0;
  padding: 0;
  list-style: none;
}

.role-split {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-self: stretch;
}

.role-split article,
.validation-grid li,
.pain-formula__statement {
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-secondary);
  padding: var(--space-6);
}

.role-split article span,
.validation-grid span {
  display: inline-flex;
  margin-bottom: var(--space-4);
  border-radius: var(--space-1);
  background: var(--accent-secondary-tint);
  color: var(--accent-deep);
  padding: var(--space-1) var(--space-2);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 13px;
  font-weight: 900;
}

.role-split h3,
.validation-grid h3 {
  margin-bottom: var(--space-3);
  font-size: 22px;
}

.role-split p,
.validation-grid p {
  margin: 0;
}

.role-split__shared {
  grid-column: 1 / -1;
  border-top: 1px solid var(--border-default);
  padding-top: var(--space-4);
  color: var(--accent-deep);
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: 850;
}

.agile-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.44fr) minmax(500px, 0.56fr);
  gap: var(--space-10);
  align-items: center;
}

.agile-copy {
  max-width: 560px;
}

.agile-copy p {
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 500;
  line-height: 1.65;
}

.agile-cycle {
  display: grid;
  gap: var(--space-5);
  min-width: 0;
}

.agile-loop {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.agile-loop li {
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-secondary);
  padding: var(--space-5);
}

.agile-loop span {
  display: inline-flex;
  margin-bottom: var(--space-4);
  border-radius: var(--space-1);
  background: var(--accent-secondary-tint);
  color: var(--accent-deep);
  padding: var(--space-1) var(--space-2);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 13px;
  font-weight: 900;
}

.agile-loop strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
  font-size: 21px;
  line-height: 1.35;
}

.agile-loop p {
  margin: 0;
  font-size: 16px;
}

.agile-note {
  margin: 0;
  border-left: 4px solid var(--accent-secondary);
  border-radius: var(--space-2);
  background: var(--accent-secondary-tint);
  padding: var(--space-4) var(--space-5);
  color: var(--text-primary);
  font-size: clamp(18px, 1.8vw, 22px);
  font-weight: 650;
}

.agile-note strong {
  color: var(--accent-deep);
  font-weight: 900;
}

.slide--build-workflow {
  padding-top: var(--space-12);
  padding-bottom: var(--space-8);
}

.build-workflow-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.38fr) minmax(560px, 0.62fr);
  gap: var(--space-10);
  align-items: center;
}

.build-workflow-copy {
  max-width: 520px;
}

.build-workflow-copy h2 {
  margin-bottom: var(--space-4);
  font-size: clamp(34px, 4.2vw, 56px);
}

.build-workflow-copy p:not(.kicker) {
  color: var(--text-secondary);
  font-size: clamp(18px, 1.7vw, 23px);
  font-weight: 600;
  line-height: 1.55;
}

.build-workflow {
  display: grid;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.build-workflow li {
  display: grid;
  grid-template-columns: 54px minmax(104px, 0.28fr) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-secondary);
  padding: var(--space-4);
}

.build-workflow span {
  display: inline-flex;
  justify-content: center;
  border-radius: var(--space-1);
  background: var(--accent-secondary-tint);
  color: var(--accent-deep);
  padding: var(--space-1) var(--space-2);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 13px;
  font-weight: 950;
}

.build-workflow small {
  display: inline-flex;
  width: fit-content;
  border: 1px solid var(--border-default);
  border-radius: 999px;
  background: var(--surface-elevated);
  color: var(--text-secondary);
  padding: var(--space-1) var(--space-3);
  font-size: 13px;
  font-weight: 850;
  line-height: 1.35;
}

.build-workflow strong {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--text-primary);
  font-size: 21px;
  line-height: 1.35;
}

.build-workflow p {
  grid-column: 3;
  margin: calc(-1 * var(--space-1)) 0 0;
  color: var(--text-secondary);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
}

.build-workflow-note {
  grid-column: 1;
  max-width: 520px;
  margin: 0;
  border-left: 4px solid var(--accent-secondary);
  border-radius: var(--space-2);
  background: var(--accent-secondary-tint);
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 650;
  line-height: 1.42;
}

.build-workflow-note strong {
  color: var(--accent-deep);
  font-weight: 950;
}

.pain-formula {
  display: grid;
  gap: var(--space-6);
}

.pain-formula__statement {
  color: var(--text-primary);
  font-size: clamp(28px, 3.2vw, 44px);
  font-weight: 900;
  line-height: 1.2;
  text-align: center;
}

.sample-disclosure {
  display: inline-flex;
  width: fit-content;
  margin: 0 0 var(--space-3);
  border: 1px solid var(--border-default);
  border-radius: var(--space-1);
  background: var(--surface-elevated);
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-3);
  font-size: 13px;
  font-weight: 750;
}

.slide--ai-difficulty .section-head {
  margin-bottom: var(--space-6);
}

.slide--ai-difficulty .card-grid {
  gap: var(--space-4);
}

.slide--ai-difficulty .info-card {
  min-height: 172px;
  padding: var(--space-5);
}

.slide--ai-difficulty .closing-line {
  margin-top: var(--space-5);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.35;
}

.slide--formula {
  padding-top: var(--space-10);
  padding-bottom: var(--space-8);
}

.slide--formula .section-head {
  max-width: 1100px;
  margin-bottom: var(--space-5);
}

.slide--formula .section-head h2 {
  margin-bottom: var(--space-4);
  font-size: clamp(34px, 4.2vw, 58px);
}

.slide--formula .section-head p {
  font-size: clamp(18px, 1.8vw, 24px);
  line-height: 1.5;
}

.slide--formula .pain-formula {
  gap: var(--space-4);
}

.slide--formula .pain-formula__statement {
  padding: var(--space-4);
  font-size: clamp(25px, 2.8vw, 38px);
}

.slide--formula .info-card {
  min-height: 148px;
  padding: var(--space-5);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.case-card {
  min-height: 260px;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-secondary);
  padding: var(--space-6);
  transition: transform 180ms ease-out, border-color 180ms ease-out, box-shadow 180ms ease-out;
}

.case-card:hover {
  border-color: var(--accent-secondary-border);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.case-card span {
  display: inline-flex;
  margin-bottom: var(--space-6);
  border-radius: var(--space-1);
  background: var(--accent-secondary-tint);
  color: var(--accent-deep);
  padding: var(--space-1) var(--space-2);
  font-size: 13px;
  font-weight: 900;
}

.case-card p {
  margin-bottom: 0;
}

.slide--case-detail {
  align-items: start;
  padding-top: var(--space-10);
  padding-bottom: var(--space-8);
}

.case-detail {
  display: grid;
  gap: var(--space-4);
  align-content: start;
  padding-top: 0;
}

.case-detail__header {
  max-width: 1180px;
}

.case-detail__header h2 {
  margin-bottom: var(--space-3);
  font-size: clamp(32px, 3.6vw, 48px);
  line-height: 1.08;
  white-space: nowrap;
}

.case-detail__header p:not(.kicker) {
  max-width: 900px;
  margin-bottom: 0;
  color: var(--text-secondary);
  font-size: clamp(18px, 1.8vw, 23px);
  font-weight: 650;
  line-height: 1.42;
}

.case-detail__image {
  margin: 0;
  width: min(1180px, calc(100vw - var(--space-12) * 2));
  height: 52px;
  max-height: calc(100svh - 244px);
  min-height: 500px;
  min-width: 0;
}

.case-detail__placeholder {
  display: grid;
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 0;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--accent-primary-line);
  border-radius: var(--space-2);
  background:
    linear-gradient(90deg, rgba(37, 99, 235, 0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(20, 184, 166, 0.08) 1px, transparent 1px),
    linear-gradient(135deg, var(--accent-primary-wash), transparent 36%),
    linear-gradient(180deg, var(--surface-secondary), var(--surface-elevated));
  background-size: 44px 44px, 44px 44px, auto, auto;
  color: var(--text-primary);
  padding: var(--space-8);
  text-align: center;
}

.case-detail__image img {
  width: 100%;
  height: 100%;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-secondary);
  object-fit: contain;
}

.slide--summary-image {
  align-items: start;
  padding-top: var(--space-10);
  padding-bottom: var(--space-8);
}

.summary-image-detail {
  width: min(944px, calc(100vw - var(--space-24) * 2));
  gap: var(--space-4);
}

.summary-image-detail .case-detail__header {
  max-width: 960px;
}

.summary-image-detail .case-detail__header h2 {
  font-size: clamp(34px, 3.8vw, 52px);
}

.summary-image-frame {
  width: 100%;
  height: 74%;
  min-height: 0;
  max-height: none;
  aspect-ratio: 16 / 9;
}

.slide--full-image {
  padding: var(--space-8) var(--space-10);
}

.full-image-slide {
  width: min(1120px, calc(100vw - var(--space-24) * 2));
}

.full-slide-image {
  margin: 0 auto;
  width: 80%;
  height: auto;
  min-height: 0;
  aspect-ratio: 16 / 9;
}

.full-slide-image img,
.summary-image-frame img {
  width: 100%;
  height: 100%;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-secondary);
  object-fit: contain;
  box-shadow: var(--shadow-hover);
}

.case-detail__placeholder::before {
  position: absolute;
  inset: var(--space-5);
  border: 1px dashed var(--border-strong);
  border-radius: var(--space-2);
  content: "";
  pointer-events: none;
}

.case-detail__placeholder span {
  display: block;
  margin-bottom: var(--space-4);
  color: var(--accent-primary);
  letter-spacing: 0;
  font-size: 14px;
  font-weight: 900;
}

.case-detail__placeholder strong {
  display: block;
  max-width: 760px;
  font-size: clamp(30px, 3.6vw, 48px);
  line-height: 1.18;
  word-break: keep-all;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.proof-card {
  min-height: 270px;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-secondary);
  padding: var(--space-6);
  transition: transform 220ms ease-out, border-color 220ms ease-out, background 220ms ease-out, box-shadow 220ms ease-out;
}

.proof-card span {
  display: inline-flex;
  margin-bottom: var(--space-8);
  color: var(--accent-primary);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 16px;
  font-weight: 950;
}

.proof-card h3 {
  font-size: 28px;
}

.proof-card p {
  margin-bottom: 0;
  font-size: 20px;
  font-weight: 650;
}

.proof-card__purpose {
  margin: var(--space-5) 0 0;
  border-top: 1px solid var(--border-default);
  padding-top: var(--space-4);
  color: var(--accent-deep);
  font-size: 18px;
  font-weight: 850;
  opacity: 0;
  transform: translateY(var(--space-2));
  visibility: hidden;
  transition:
    opacity var(--motion-stage) cubic-bezier(0.16, 1, 0.3, 1),
    transform var(--motion-stage) cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0s linear var(--motion-stage);
}

.proof-card__purpose.is-stage-visible {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
  transition-delay: 0s;
}

.proof-card.is-emphasized {
  border-color: var(--accent-secondary-border);
  background: linear-gradient(180deg, var(--surface-secondary), var(--accent-secondary-tint));
  box-shadow: var(--shadow-hover);
  transform: translateY(calc(-1 * var(--space-2))) scale(1.025);
}

.proof-card.is-emphasized h3,
.proof-card.is-emphasized p {
  color: var(--text-primary);
  font-weight: 900;
}

.proof-card.is-emphasized .proof-card__purpose {
  color: var(--accent-deep);
  font-weight: 950;
}

.info-card {
  min-height: 210px;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-secondary);
  padding: var(--space-6);
  transition: transform 180ms ease-out, box-shadow 180ms ease-out, border-color 180ms ease-out;
}

.info-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.info-card p {
  margin-bottom: 0;
}

.closing-line {
  margin: var(--space-8) 0 0;
  color: var(--accent-deep);
  font-size: clamp(22px, 2.8vw, 34px);
  font-weight: 850;
}

.visual-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.44fr) minmax(0, 0.56fr);
  gap: var(--space-10);
  align-items: center;
  min-width: 0;
}

.visual-layout--wide {
  grid-template-columns: minmax(240px, 0.36fr) minmax(0, 0.64fr);
}

.visual-layout__copy {
  max-width: 500px;
}

.visual-frame {
  margin: 0;
  min-width: 0;
  overflow: hidden;
}

.visual-frame img {
  width: 100%;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-secondary);
  box-shadow: var(--shadow-hover);
}

.slide--gpt-spec {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

.gpt-spec-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.34fr) minmax(0, 0.66fr);
  gap: var(--space-10);
  align-items: center;
}

.gpt-spec-copy h2 {
  margin-bottom: var(--space-5);
  font-size: clamp(34px, 4.2vw, 56px);
}

.gpt-spec-copy p:not(.kicker) {
  max-width: 420px;
  font-size: clamp(18px, 1.7vw, 23px);
  font-weight: 650;
  line-height: 1.55;
}

.gpt-chat {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-secondary);
  box-shadow: var(--shadow-hover);
}

.gpt-chat__bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid var(--border-default);
  background: var(--surface-elevated);
  padding: var(--space-4) var(--space-5);
}

.gpt-chat__bar span {
  display: inline-flex;
  border-radius: var(--space-1);
  background: var(--surface-inverse);
  color: var(--surface-secondary);
  padding: var(--space-1) var(--space-2);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 950;
}

.gpt-chat__bar strong {
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 900;
}

.gpt-chat__body {
  display: grid;
  align-content: start;
  gap: var(--space-3);
  height: min(72vh, 560px);
  overflow: hidden;
  padding: var(--space-5);
}

.gpt-message {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: var(--space-3);
  align-items: start;
}

.gpt-message span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-elevated);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 900;
}

.gpt-message p {
  margin: 0;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-primary);
  color: var(--text-primary);
  padding: var(--space-3) var(--space-4);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.5;
}

.gpt-message--assistant,
.gpt-message--user {
  opacity: 0;
  transform: translateY(var(--space-3));
  visibility: hidden;
  transition: opacity 320ms ease-in-out, transform 320ms ease-in-out, visibility 0s linear 320ms;
}

.slide--gpt-spec.is-gpt-ai-visible .gpt-message--assistant,
.slide--gpt-spec.is-gpt-user-visible .gpt-message--user {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
  transition-delay: 0s;
}

.gpt-message--assistant span {
  border-color: var(--accent-secondary-line);
  background: var(--accent-secondary-tint);
  color: var(--accent-deep);
}

.gpt-message--assistant p {
  border-color: var(--accent-secondary-line);
}

.gpt-message--user span {
  background: var(--accent-primary);
  color: var(--surface-secondary);
}

.gpt-message--user p {
  border-color: var(--accent-primary-line);
  background: var(--accent-blue-pale);
}

.gpt-thinking {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: var(--space-3);
  align-items: center;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(var(--space-2));
  transition: opacity 260ms ease-in-out, transform 260ms ease-in-out, max-height 260ms ease-in-out;
}

.gpt-thinking span {
  width: 28px;
  height: 28px;
  margin: 0 auto;
  border: 3px solid var(--border-default);
  border-top-color: var(--accent-primary);
  border-radius: 999px;
}

.gpt-thinking p {
  margin: 0;
  color: var(--text-tertiary);
  font-size: 14px;
  font-weight: 850;
}

.slide--gpt-spec.is-gpt-thinking .gpt-thinking {
  max-height: 44px;
  opacity: 1;
  transform: translateY(0);
}

.slide--gpt-spec.is-gpt-thinking .gpt-thinking span {
  animation: gpt-spin 780ms linear infinite;
}

.gpt-output {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: linear-gradient(180deg, var(--surface-secondary), var(--accent-secondary-tint));
  padding: 0 var(--space-4);
  transition: max-height 560ms cubic-bezier(0.16, 1, 0.3, 1), opacity 240ms ease-in-out, padding 240ms ease-in-out;
}

.slide--gpt-spec.is-gpt-complete .gpt-output {
  max-height: 380px;
  opacity: 1;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.gpt-output__title {
  margin: 0 0 var(--space-3);
  color: var(--text-primary);
  font-size: 17px;
  font-weight: 900;
  line-height: 1.35;
}

.gpt-spec-list {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.gpt-spec-list li {
  display: grid;
  grid-template-columns: 36px 92px 1fr;
  gap: var(--space-3);
  align-items: start;
  border-top: 1px solid var(--border-default);
  padding-top: var(--space-2);
  opacity: 0;
  transform: translateY(var(--space-3));
}

.gpt-spec-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.slide--gpt-spec.is-gpt-complete .gpt-spec-list li {
  animation: gpt-line-in 420ms cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: calc(240ms + var(--line-index) * 170ms);
}

.gpt-spec-list span {
  color: var(--accent-primary);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 950;
}

.gpt-spec-list strong {
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 900;
  line-height: 1.35;
}

.gpt-spec-list p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.42;
}

.gpt-output__closing {
  margin: var(--space-3) 0 0;
  border-top: 1px solid var(--border-default);
  padding-top: var(--space-3);
  color: var(--accent-deep);
  font-size: 14px;
  font-weight: 900;
  line-height: 1.45;
  opacity: 0;
  transform: translateY(var(--space-3));
}

.slide--gpt-spec.is-gpt-complete .gpt-output__closing {
  animation: gpt-line-in 420ms cubic-bezier(0.16, 1, 0.3, 1) 1500ms both;
}

@keyframes gpt-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes gpt-line-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide--voc-demo {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

.voc-demo {
  display: grid;
  gap: var(--space-3);
}

.voc-demo__header {
  max-width: 1040px;
}

.voc-demo__header .kicker {
  margin-bottom: var(--space-3);
}

.voc-demo__header h2 {
  margin-bottom: var(--space-2);
  font-size: clamp(28px, 3.1vw, 42px);
  line-height: 1.12;
}

.voc-demo__header p:not(.kicker) {
  max-width: 920px;
  margin-bottom: 0;
  font-size: clamp(16px, 1.35vw, 19px);
  font-weight: 650;
  line-height: 1.42;
}

.slide--voc-demo .sample-disclosure {
  margin-bottom: 0;
  padding: var(--space-1) var(--space-3);
  font-size: 12px;
  line-height: 1.35;
}

.voc-dashboard {
  display: grid;
  grid-template-areas:
    "upload transcript analysis"
    "upload transcript classification"
    "stats transcript report";
  grid-template-columns: minmax(250px, 0.84fr) minmax(420px, 1.38fr) minmax(300px, 1fr);
  grid-template-rows: repeat(3, minmax(0, 136px));
  gap: var(--space-3);
  min-width: 0;
}

.voc-panel {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-secondary);
  padding: var(--space-3);
  transition: border-color 220ms ease-in-out, opacity 220ms ease-in-out, transform 220ms ease-in-out, background 220ms ease-in-out;
}

.voc-panel--upload {
  grid-area: upload;
}

.voc-panel--transcript {
  grid-area: transcript;
}

.voc-panel--analysis {
  grid-area: analysis;
}

.voc-panel--classification {
  grid-area: classification;
}

.voc-panel--stats {
  grid-area: stats;
}

.voc-panel--report {
  grid-area: report;
}

.voc-panel__topline {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.voc-panel__topline span {
  display: inline-flex;
  flex: 0 0 auto;
  border-radius: var(--space-1);
  background: var(--accent-secondary-tint);
  color: var(--accent-deep);
  padding: var(--space-1) var(--space-2);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 11px;
  font-weight: 950;
}

.voc-panel__topline h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.25;
}

.voc-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  border: 1px solid var(--accent-primary);
  border-radius: var(--space-2);
  background: var(--accent-primary);
  color: var(--surface-secondary);
  padding: var(--space-2) var(--space-3);
  font-size: 14px;
  font-weight: 850;
  line-height: 1.2;
  transition: transform 120ms ease-out, background 180ms ease-out, border-color 180ms ease-out;
}

.voc-action.is-demo-clicked {
  animation: voc-button-pulse 760ms cubic-bezier(0.16, 1, 0.3, 1) 2;
}

.voc-action:hover {
  border-color: var(--surface-inverse);
  background: var(--surface-inverse);
}

.voc-action:active {
  transform: translateY(1px);
}

.voc-action:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}

.voc-action--secondary {
  width: 100%;
  margin-bottom: var(--space-2);
  border-color: var(--accent-deep);
  background: var(--accent-deep);
}

.voc-panel--stats .voc-panel__topline {
  margin-bottom: var(--space-2);
}

.voc-panel--stats .voc-action {
  min-height: 32px;
  padding-top: var(--space-1);
  padding-bottom: var(--space-1);
}

.voc-file-name {
  margin: var(--space-1) 0 var(--space-2);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 850;
}

.voc-audio-control {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: var(--space-2);
  align-items: center;
  margin-bottom: var(--space-2);
  border: 1px solid var(--accent-primary-line);
  border-radius: var(--space-2);
  background: linear-gradient(180deg, var(--surface-secondary), var(--accent-blue-pale));
  padding: var(--space-2);
}

.voc-audio-toggle {
  min-height: 32px;
  border: 1px solid var(--accent-primary);
  border-radius: var(--space-2);
  background: var(--accent-primary);
  color: var(--surface-secondary);
  padding: var(--space-1) var(--space-2);
  font-size: 13px;
  font-weight: 900;
  line-height: 1.2;
}

.voc-audio-timeline {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 42px;
  gap: var(--space-2);
  align-items: center;
  min-width: 0;
}

.voc-audio-timeline span {
  color: var(--text-primary);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 950;
}

.voc-audio-timeline input {
  --audio-progress: 0%;
  width: 100%;
  height: 22px;
  min-width: 0;
  background: transparent;
  accent-color: var(--accent-primary);
  -webkit-appearance: none;
  appearance: none;
}

.voc-audio-timeline input::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-primary) var(--audio-progress), var(--border-strong) var(--audio-progress));
}

.voc-audio-timeline input::-webkit-slider-thumb {
  width: 18px;
  height: 18px;
  margin-top: -5px;
  border: 3px solid var(--surface-secondary);
  border-radius: 999px;
  background: var(--accent-primary);
  box-shadow: 0 3px 10px rgba(37, 99, 235, 0.28);
  -webkit-appearance: none;
}

.voc-audio-timeline input::-moz-range-track {
  height: 8px;
  border-radius: 999px;
  background: var(--border-strong);
}

.voc-audio-timeline input::-moz-range-progress {
  height: 8px;
  border-radius: 999px;
  background: var(--accent-primary);
}

.voc-audio-timeline input::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: 3px solid var(--surface-secondary);
  border-radius: 999px;
  background: var(--accent-primary);
  box-shadow: 0 3px 10px rgba(37, 99, 235, 0.28);
}

.voc-audio {
  display: none;
}

.voc-status,
.voc-report-placeholder {
  margin: 0;
  color: var(--text-tertiary);
  font-size: 12px;
  line-height: 1.35;
}

.voc-status.is-processing {
  color: var(--accent-primary);
  font-weight: 850;
}

.voc-status.is-complete {
  color: var(--accent-deep);
  font-weight: 850;
}

.voc-transcript {
  display: grid;
  align-content: start;
  gap: var(--space-2);
  max-height: 384px;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: var(--space-1);
  scrollbar-color: var(--border-strong) transparent;
}

.voc-transcript:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}

.voc-transcript.is-empty {
  min-height: 340px;
  align-content: center;
  border: 1px dashed var(--border-strong);
  border-radius: var(--space-2);
  background: var(--surface-elevated);
  padding: var(--space-5);
}

.voc-transcript.is-empty p {
  margin: 0;
  color: var(--text-tertiary);
  font-size: 14px;
  line-height: 1.5;
}

.voc-utterance {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: var(--space-2);
  align-items: start;
  width: 100%;
  border: 0;
  border-top: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: transparent;
  padding: var(--space-2) var(--space-2) 0;
  text-align: left;
  transition: background 180ms ease-out, border-color 180ms ease-out, box-shadow 180ms ease-out;
}

.voc-utterance:first-child {
  border-top: 0;
  padding-top: var(--space-2);
}

.voc-utterance:hover,
.voc-utterance.is-playing {
  border-color: transparent;
  background: var(--accent-blue-pale);
}

.voc-utterance:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.voc-utterance.is-playing {
  box-shadow: inset 3px 0 0 var(--accent-primary);
}

.voc-utterance span {
  color: var(--accent-primary);
  font-size: 13px;
  font-weight: 900;
}

.voc-utterance p {
  margin: 0;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.42;
}

.voc-dashboard.is-stt-ready .voc-utterance {
  opacity: 0;
  transform: translateY(var(--space-2));
  filter: blur(2px);
  animation: voc-stream-in 420ms cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: var(--utterance-delay, 80ms);
}

.voc-score {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
  border-bottom: 1px solid var(--border-default);
  padding-bottom: var(--space-2);
}

.voc-score span {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--text-tertiary);
  font-size: 13px;
  font-weight: 850;
}

.voc-score strong {
  color: var(--status-error);
  font-size: 24px;
  line-height: 1;
}

.voc-score b {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 3px solid var(--status-error);
  border-radius: 999px;
  color: var(--status-error);
  font-size: 18px;
  line-height: 1;
}

.voc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.voc-tag {
  display: inline-flex;
  border: 1px solid var(--border-default);
  border-radius: 999px;
  background: var(--surface-elevated);
  color: var(--text-secondary);
  padding: 2px var(--space-2);
  font-size: 12px;
  font-weight: 850;
}

.voc-tag--negative {
  border-color: var(--status-warning);
  color: var(--surface-inverse);
}

.voc-key-sentence {
  margin: 0;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.35;
}

.voc-classification,
.voc-metrics {
  display: grid;
  gap: var(--space-1);
  margin: 0;
}

.voc-panel--stats .voc-metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.voc-classification div,
.voc-metrics div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: var(--space-2);
  border-top: 1px solid var(--border-default);
  padding-top: var(--space-1);
}

.voc-panel--stats .voc-metrics div {
  display: block;
  border-top: 0;
  border-left: 1px solid var(--border-default);
  padding: 0 0 0 var(--space-2);
}

.voc-panel--stats .voc-metrics div:first-child {
  border-left: 0;
  padding-left: 0;
}

.voc-classification div:first-child,
.voc-metrics div:first-child {
  border-top: 0;
  padding-top: 0;
}

.voc-classification dt,
.voc-metrics dt {
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 850;
}

.voc-panel--stats .voc-metrics dt {
  font-size: 12px;
  line-height: 1.2;
}

.voc-classification dd,
.voc-metrics dd {
  margin: 0;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.3;
}

.voc-panel--stats .voc-metrics dd {
  font-size: 13px;
  line-height: 1.2;
}

.voc-bars {
  display: grid;
  gap: 2px;
  margin-top: var(--space-1);
}

.slide--voc-demo .voc-bars {
  display: none;
}

.voc-metrics,
.voc-bars {
  opacity: 0.42;
  transform: translateY(var(--space-1));
  transition: opacity 220ms ease-in-out, transform 220ms ease-in-out;
}

.voc-bars span {
  position: relative;
  overflow: hidden;
  border-radius: var(--space-1);
  background: var(--surface-elevated);
  color: var(--text-primary);
  padding: 1px var(--space-2);
  font-size: 11px;
  line-height: 1.1;
  font-weight: 850;
}

.voc-bars span::before {
  position: absolute;
  inset: 0 auto 0 0;
  z-index: 0;
  width: var(--bar-size);
  content: "";
  background: var(--accent-secondary-tint);
}

.voc-bars span {
  z-index: 1;
}

.voc-report-content {
  display: none;
}

.voc-report-content strong {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--accent-deep);
  font-size: 15px;
  line-height: 1.35;
}

.voc-report-content p {
  margin: 0;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
}

.voc-dashboard.is-stt-ready .voc-panel--analysis,
.voc-dashboard.is-stt-ready .voc-panel--classification,
.voc-dashboard.is-report-ready .voc-panel--stats,
.voc-dashboard.is-report-ready .voc-panel--report {
  border-color: var(--accent-secondary-border);
  background: linear-gradient(180deg, var(--surface-secondary), var(--accent-secondary-tint));
}

.voc-panel.is-pending {
  opacity: 0.48;
}

.voc-panel--analysis.is-pending .voc-score,
.voc-panel--analysis.is-pending .voc-tags,
.voc-panel--analysis.is-pending .voc-key-sentence,
.voc-panel--classification.is-pending .voc-classification,
.voc-panel--stats.is-pending .voc-metrics,
.voc-panel--stats.is-pending .voc-bars,
.voc-panel--report.is-pending .voc-report-placeholder,
.voc-panel--report.is-pending .voc-report-content {
  opacity: 0;
  visibility: hidden;
}

.voc-dashboard.is-stt-ready .voc-panel--analysis,
.voc-dashboard.is-stt-ready .voc-panel--classification,
.voc-dashboard.is-report-ready .voc-panel--stats,
.voc-dashboard.is-report-ready .voc-panel--report {
  opacity: 1;
}

.voc-panel.is-generated {
  animation: voc-panel-generate 520ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.voc-dashboard.is-report-ready .voc-report-placeholder {
  display: none;
}

.voc-dashboard.is-report-ready .voc-report-content {
  display: block;
}

.voc-dashboard.is-report-ready .voc-metrics,
.voc-dashboard.is-report-ready .voc-bars {
  opacity: 1;
  transform: translateY(0);
}

.voc-panel--analysis.is-generated .voc-score,
.voc-panel--analysis.is-generated .voc-tags .voc-tag,
.voc-panel--analysis.is-generated .voc-key-sentence,
.voc-panel--classification.is-generated .voc-classification div,
.voc-panel--stats.is-generated .voc-metrics div,
.voc-panel--stats.is-generated .voc-bars span,
.voc-panel--report.is-generated .voc-report-content strong,
.voc-panel--report.is-generated .voc-report-content p {
  opacity: 0;
  transform: translateY(var(--space-2));
  filter: blur(2px);
  animation: voc-stream-in 420ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.voc-panel--analysis.is-generated .voc-score {
  animation-delay: 90ms;
}

.voc-panel--analysis.is-generated .voc-tags .voc-tag:nth-child(1) {
  animation-delay: 260ms;
}

.voc-panel--analysis.is-generated .voc-tags .voc-tag:nth-child(2) {
  animation-delay: 380ms;
}

.voc-panel--analysis.is-generated .voc-tags .voc-tag:nth-child(3) {
  animation-delay: 500ms;
}

.voc-panel--analysis.is-generated .voc-tags .voc-tag:nth-child(4) {
  animation-delay: 620ms;
}

.voc-panel--analysis.is-generated .voc-key-sentence {
  animation-delay: 780ms;
}

.voc-panel--classification.is-generated .voc-classification div:nth-child(1),
.voc-panel--stats.is-generated .voc-metrics div:nth-child(1) {
  animation-delay: 100ms;
}

.voc-panel--classification.is-generated .voc-classification div:nth-child(2),
.voc-panel--stats.is-generated .voc-metrics div:nth-child(2) {
  animation-delay: 230ms;
}

.voc-panel--classification.is-generated .voc-classification div:nth-child(3),
.voc-panel--stats.is-generated .voc-metrics div:nth-child(3) {
  animation-delay: 360ms;
}

.voc-panel--classification.is-generated .voc-classification div:nth-child(4) {
  animation-delay: 490ms;
}

.voc-panel--stats.is-generated .voc-bars span:nth-child(1) {
  animation-delay: 560ms;
}

.voc-panel--stats.is-generated .voc-bars span:nth-child(2) {
  animation-delay: 690ms;
}

.voc-panel--stats.is-generated .voc-bars span:nth-child(3) {
  animation-delay: 820ms;
}

.voc-panel--stats.is-generated .voc-bars span::before {
  transform: scaleX(0);
  transform-origin: left center;
  animation: voc-bar-fill 520ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.voc-panel--stats.is-generated .voc-bars span:nth-child(1)::before {
  animation-delay: 680ms;
}

.voc-panel--stats.is-generated .voc-bars span:nth-child(2)::before {
  animation-delay: 810ms;
}

.voc-panel--stats.is-generated .voc-bars span:nth-child(3)::before {
  animation-delay: 940ms;
}

.voc-panel--report.is-generated .voc-report-content strong {
  animation-delay: 120ms;
}

.voc-panel--report.is-generated .voc-report-content p {
  animation-delay: 360ms;
}

@keyframes voc-button-pulse {
  50% {
    transform: translateY(-2px);
    box-shadow: 0 0 0 6px var(--accent-primary-line);
  }
}

@keyframes voc-panel-generate {
  from {
    opacity: 0.48;
    transform: translateY(var(--space-3));
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes voc-stream-in {
  from {
    opacity: 0;
    transform: translateY(var(--space-2));
    filter: blur(2px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes voc-bar-fill {
  from {
    transform: scaleX(0);
  }

  to {
    transform: scaleX(1);
  }
}

.slide--question {
  background: linear-gradient(135deg, var(--surface-inverse), var(--surface-question-end));
}

.question-wrap {
  max-width: 980px;
  text-align: center;
}

.question-wrap h2 {
  margin-bottom: 0;
  color: var(--surface-secondary);
  font-size: clamp(42px, 7vw, 86px);
}

.question-prefix {
  color: var(--contrast-muted);
}

.comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
  min-width: 0;
}

.comparison__column {
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-secondary);
  padding: var(--space-8);
}

.comparison__column--current {
  border-color: var(--accent-secondary-border);
  background: linear-gradient(180deg, var(--surface-secondary), var(--accent-secondary-tint));
}

.comparison__column h3 {
  margin-bottom: var(--space-5);
}

.comparison__column p {
  margin: 0;
  padding: var(--space-4) 0;
  border-top: 1px solid var(--border-default);
  color: var(--text-primary);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 750;
}

.slide--compact-comparison {
  padding-top: var(--space-12);
  padding-bottom: var(--space-10);
}

.slide--compact-comparison .section-head {
  max-width: 960px;
  margin-bottom: var(--space-6);
}

.slide--compact-comparison .section-head h2 {
  margin-bottom: var(--space-4);
  font-size: clamp(32px, 4.3vw, 54px);
}

.slide--compact-comparison .section-head p {
  max-width: 880px;
  font-size: clamp(18px, 1.8vw, 23px);
  line-height: 1.55;
}

.slide--compact-comparison .comparison {
  gap: var(--space-4);
}

.slide--compact-comparison .comparison__column {
  padding: var(--space-5) var(--space-6);
}

.slide--compact-comparison .comparison__column h3 {
  margin-bottom: var(--space-3);
  font-size: 20px;
}

.slide--compact-comparison .comparison__column p {
  padding: var(--space-3) 0;
  font-size: clamp(16px, 1.55vw, 20px);
  line-height: 1.35;
}

.slide--compact-comparison .closing-line {
  max-width: 1000px;
  margin-top: var(--space-5);
  font-size: clamp(19px, 2vw, 26px);
  line-height: 1.35;
}

.statement-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(280px, 0.38fr);
  gap: var(--space-12);
  align-items: center;
}

.slide--role-visual .statement-grid {
  grid-template-columns: minmax(0, 0.4fr) minmax(420px, 0.6fr);
  gap: var(--space-10);
}

.role-visual {
  margin: 0;
  min-width: 0;
}

.role-visual img {
  width: 100%;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-secondary);
  object-fit: contain;
}

.slide--final-message .statement-grid {
  grid-template-columns: minmax(0, 0.58fr) minmax(420px, 0.42fr);
}

.statement-copy h2 {
  margin-bottom: var(--space-8);
}

.statement-points {
  display: grid;
  gap: var(--space-4);
}

.statement-points div {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: var(--space-4);
  align-items: center;
  border-top: 1px solid var(--border-default);
  padding: var(--space-5) 0;
}

.statement-points span {
  color: var(--accent-primary);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 18px;
  font-weight: 900;
}

.statement-points p {
  margin: 0;
  color: var(--text-primary);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 800;
}

.flow-steps {
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-secondary);
  padding: var(--space-6);
}

.flow-steps li:first-child {
  border-top: 0;
  padding-top: 0;
}

.slide--final-message .flow-steps {
  padding: var(--space-8);
  gap: var(--space-5);
}

.slide--final-message .flow-steps li {
  grid-template-columns: 50px 1fr;
  padding-top: var(--space-5);
}

.slide--final-message .flow-steps span {
  font-size: 17px;
}

.slide--final-message .flow-steps strong {
  font-size: 21px;
}

.slide--final-message .flow-steps p {
  color: var(--text-secondary);
  font-size: 16px;
}

.slide--bridge {
  background: linear-gradient(180deg, var(--surface-secondary), var(--surface-primary));
}

.bridge-copy {
  max-width: 1040px;
}

.bridge-copy h2 {
  margin-bottom: var(--space-8);
}

.bridge-copy > p {
  max-width: 940px;
  font-size: clamp(22px, 2.6vw, 34px);
  font-weight: 750;
}

.bridge-question {
  margin-top: var(--space-12);
  border-left: var(--space-1) solid var(--accent-primary);
  background: var(--surface-secondary);
  padding: var(--space-8);
  box-shadow: var(--shadow-hover);
}

.bridge-question p {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
  font-size: clamp(22px, 2.6vw, 34px);
  font-weight: 750;
}

.bridge-question strong {
  display: block;
  color: var(--text-primary);
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.15;
}

.bridge-question[data-stage-reveal] {
  opacity: 0;
  pointer-events: none;
  transform: translateY(var(--space-4));
  visibility: hidden;
  transition:
    opacity var(--motion-stage) cubic-bezier(0.16, 1, 0.3, 1),
    transform var(--motion-stage) cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0s linear var(--motion-stage);
}

.bridge-question[data-stage-reveal].is-stage-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  visibility: visible;
  transition-delay: 0s;
}

.mapping {
  overflow: hidden;
  min-width: 0;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-secondary);
}

.mapping__header,
.mapping__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mapping__header {
  background: var(--surface-inverse);
  color: var(--surface-secondary);
  font-size: 15px;
  font-weight: 850;
}

.mapping__header span,
.mapping__row p {
  margin: 0;
  padding: var(--space-5) var(--space-6);
}

.mapping__row + .mapping__row {
  border-top: 1px solid var(--border-default);
}

.mapping__row p {
  color: var(--text-primary);
  font-size: clamp(17px, 2vw, 23px);
  font-weight: 750;
}

.mapping__row p + p {
  border-left: 1px solid var(--border-default);
  color: var(--accent-deep);
}

.mini-map {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.mini-map div {
  border-left: 4px solid var(--accent-secondary);
  background: var(--surface-secondary);
  padding: var(--space-4) var(--space-5);
}

.mini-map span {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--text-tertiary);
  font-size: 13px;
  font-weight: 850;
}

.mini-map strong {
  display: block;
  color: var(--text-primary);
  font-size: 19px;
  line-height: 1.4;
}

.closing-copy {
  max-width: 980px;
  text-align: center;
}

.closing-copy h2 {
  font-size: clamp(48px, 7vw, 88px);
}

.closing-copy strong {
  display: block;
  margin-top: var(--space-8);
  color: var(--accent-deep);
  font-size: clamp(26px, 4vw, 48px);
  line-height: 1.28;
}

.slide--natural-process {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

.process-log-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.34fr) minmax(0, 0.66fr);
  gap: var(--space-10);
  align-items: center;
}

.process-log-copy h2 {
  margin-bottom: var(--space-5);
  font-size: clamp(34px, 4.2vw, 56px);
}

.process-log-copy p:not(.kicker) {
  max-width: 420px;
  font-size: clamp(18px, 1.7vw, 23px);
  font-weight: 650;
  line-height: 1.55;
}

.process-log {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-secondary);
  box-shadow: var(--shadow-hover);
}

.process-log__bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid var(--border-default);
  background: var(--surface-elevated);
  padding: var(--space-4) var(--space-5);
}

.process-log__bar span {
  display: inline-flex;
  border-radius: var(--space-1);
  background: var(--surface-inverse);
  color: var(--surface-secondary);
  padding: var(--space-1) var(--space-2);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 950;
}

.process-log__bar strong {
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 900;
}

.process-log__body {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: var(--space-4);
  min-height: min(70vh, 548px);
  padding: var(--space-5);
}

.process-timeline {
  display: grid;
  align-content: start;
  gap: var(--space-3);
}

.process-timeline article {
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-primary);
  padding: var(--space-4);
  opacity: 0.48;
  transform: translateY(var(--space-2));
  transition: opacity 220ms ease-in-out, transform 220ms ease-in-out, border-color 220ms ease-in-out, background 220ms ease-in-out;
}

.process-timeline article.is-current-stage {
  border-color: var(--accent-secondary-border);
  background: linear-gradient(180deg, var(--surface-secondary), var(--accent-secondary-tint));
  opacity: 1;
  transform: translateY(0);
}

.process-timeline article.is-past-stage {
  opacity: 0.78;
  transform: translateY(0);
}

.process-timeline span {
  display: inline-flex;
  margin-bottom: var(--space-2);
  color: var(--accent-deep);
  font-size: 12px;
  font-weight: 950;
}

.process-timeline strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.3;
}

.process-timeline p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
}

.process-dialogue {
  position: relative;
  display: grid;
  align-content: start;
  gap: var(--space-3);
  min-width: 0;
  overflow: hidden;
}

.process-placeholder {
  margin: 0;
  border: 1px dashed var(--border-strong);
  border-radius: var(--space-2);
  background: var(--surface-primary);
  color: var(--text-tertiary);
  padding: var(--space-5);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.5;
}

.slide--natural-process[data-stage-current]:not([data-stage-current="0"]) .process-placeholder {
  display: none;
}

.process-exchange {
  display: grid;
  gap: var(--space-3);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  visibility: hidden;
  transition: max-height 420ms cubic-bezier(0.16, 1, 0.3, 1), opacity 220ms ease-in-out, visibility 0s linear 420ms;
}

.process-exchange.is-exchange-open {
  max-height: 220px;
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

.process-message {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: var(--space-3);
  align-items: start;
  opacity: 0;
  transform: translateY(var(--space-3));
  visibility: hidden;
  transition: opacity 300ms ease-in-out, transform 300ms ease-in-out, visibility 0s linear 300ms;
}

.process-message.is-process-visible {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
  transition-delay: 0s;
}

.process-message span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-elevated);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 950;
}

.process-message p {
  margin: 0;
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--surface-primary);
  color: var(--text-primary);
  padding: var(--space-3) var(--space-4);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.48;
}

.process-message--user span {
  background: var(--accent-primary);
  color: var(--surface-secondary);
}

.process-message--user p {
  border-color: var(--accent-primary-line);
  background: var(--accent-blue-pale);
}

.process-message--assistant span {
  border-color: var(--accent-secondary-line);
  background: var(--accent-secondary-tint);
  color: var(--accent-deep);
}

.process-message--assistant p {
  border-color: var(--accent-secondary-line);
}

.process-thinking {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: var(--space-3);
  align-items: center;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(var(--space-2));
  transition: opacity 240ms ease-in-out, transform 240ms ease-in-out, max-height 240ms ease-in-out;
}

.process-thinking.is-process-visible {
  max-height: 36px;
  opacity: 1;
  transform: translateY(0);
}

.process-thinking span {
  width: 26px;
  height: 26px;
  margin: 0 auto;
  border: 3px solid var(--border-default);
  border-top-color: var(--accent-primary);
  border-radius: 999px;
}

.process-thinking p {
  margin: 0;
  color: var(--text-tertiary);
  font-size: 13px;
  font-weight: 850;
}

.process-thinking.is-process-visible span {
  animation: gpt-spin 780ms linear infinite;
}

.slide-count {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  border: 1px solid var(--border-default);
  border-radius: var(--space-2);
  background: var(--glass-soft);
  color: var(--text-secondary);
  padding: var(--space-2);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 16px;
  font-weight: 800;
  backdrop-filter: blur(12px);
}

.slide-count__text {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  min-width: 56px;
  justify-content: center;
}

.slide-count__button {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid transparent;
  border-radius: var(--space-2);
  background: transparent;
  color: var(--text-secondary);
  padding: 0;
  transition: transform 120ms ease-out, background 180ms ease-out, border-color 180ms ease-out, color 180ms ease-out;
}

.slide-count__button:hover {
  border-color: var(--border-strong);
  background: var(--surface-secondary);
  color: var(--accent-primary);
}

.slide-count__button:active {
  transform: translateY(1px);
}

.slide-count__button:disabled {
  cursor: default;
  opacity: 0.35;
}

.slide-count__button svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity var(--motion-reveal) cubic-bezier(0.16, 1, 0.3, 1),
    transform var(--motion-reveal) cubic-bezier(0.16, 1, 0.3, 1);
}

.slide.is-active .reveal {
  opacity: 1;
  transform: translateY(0);
}

html.is-slide-moving .slide.is-leaving .reveal {
  opacity: 0;
  transform: translateY(calc(-1 * var(--space-8))) scale(0.985);
}

html[data-slide-motion="up"].is-slide-moving .slide.is-leaving .reveal {
  transform: translateY(var(--space-8)) scale(0.985);
}

html.is-slide-moving .slide.is-entering .reveal {
  animation: slide-enter-down var(--motion-slide-enter) cubic-bezier(0.16, 1, 0.3, 1) var(--motion-slide-delay) both;
}

html[data-slide-motion="up"].is-slide-moving .slide.is-entering .reveal {
  animation-name: slide-enter-up;
}

@keyframes slide-enter-down {
  from {
    opacity: 0;
    transform: translateY(var(--space-8)) scale(0.985);
  }

  72% {
    opacity: 1;
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes slide-enter-up {
  from {
    opacity: 0;
    transform: translateY(calc(-1 * var(--space-8))) scale(0.985);
  }

  72% {
    opacity: 1;
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 920px) {
  .timer {
    top: var(--space-3);
    right: var(--space-3);
    gap: var(--space-2);
  }

  .timer__ring {
    width: 68px;
    height: 68px;
    font-size: 15px;
  }

  .timer button {
    padding: var(--space-2);
    font-size: 12px;
  }

  .slide-nav {
    display: none;
  }

  .slide {
    padding: var(--space-20) var(--space-5) var(--space-16);
  }

  .hero-grid,
  .agile-layout,
  .build-workflow-layout,
  .visual-layout,
  .visual-layout--wide,
  .statement-grid,
  .gpt-spec-layout,
  .voc-dashboard {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .slide--role-visual .statement-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .voc-dashboard {
    grid-template-areas:
      "upload"
      "transcript"
      "analysis"
      "classification"
      "stats"
      "report";
    grid-template-rows: auto;
  }

  .slide--voc-demo {
    align-items: start;
    padding-top: var(--space-12);
    padding-bottom: var(--space-10);
  }

  .slide--voc-demo .voc-demo__header h2 {
    font-size: clamp(30px, 5vw, 42px);
  }

  .slide--voc-demo .voc-dashboard {
    grid-template-areas:
      "upload transcript"
      "analysis transcript"
      "classification stats"
      "report report";
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: 168px 168px 126px 112px;
    gap: var(--space-3);
  }

  .slide--voc-demo .voc-transcript {
    max-height: 320px;
  }

  .slide--voc-demo .voc-transcript.is-empty {
    min-height: 300px;
  }

  .build-workflow-layout {
    gap: var(--space-8);
  }

  .build-workflow-copy {
    max-width: 720px;
  }

  .build-workflow {
    gap: var(--space-3);
  }

  .build-workflow li {
    grid-template-columns: 48px 112px minmax(0, 1fr);
    padding: var(--space-4);
  }

  .build-workflow-note {
    grid-column: auto;
  }

  .slide--hero .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .slide--hero .hero-copy {
    margin-left: 0;
  }

  .slide--hero .hero-context {
    justify-self: stretch;
    width: 100%;
  }

  .case-detail__placeholder {
    height: auto;
    min-height: 360px;
  }

  .card-grid,
  .case-grid,
  .proof-grid,
  .role-split,
  .validation-grid,
  .card-grid--four {
    grid-template-columns: 1fr;
  }

  .info-card,
  .case-card,
  .proof-card {
    min-height: auto;
  }
}

@media (max-width: 680px) {
  html {
    scroll-snap-type: none;
  }

  .timer {
    right: var(--space-3);
    left: auto;
    width: auto;
    max-width: none;
  }

  .timer__ring {
    width: 72px;
    height: 72px;
    font-size: 14px;
  }

  .slide {
    padding: 112px var(--space-4) var(--space-12);
  }

  .slide__inner {
    width: calc(100vw - var(--space-8));
    max-width: calc(100vw - var(--space-8));
  }

  h1,
  .closing-copy h2 {
    font-size: clamp(44px, 14vw, 68px);
  }

  h2 {
    font-size: clamp(32px, 10vw, 52px);
  }

  .slide--agile-ai {
    align-items: start;
    padding-top: 88px;
    padding-bottom: 92px;
  }

  .slide--agile-ai .agile-layout {
    gap: var(--space-4);
  }

  .slide--agile-ai .kicker {
    margin-bottom: var(--space-3);
  }

  .slide--agile-ai h2 {
    margin-bottom: var(--space-4);
    font-size: clamp(30px, 9vw, 38px);
    line-height: 1.12;
  }

  .slide--agile-ai .agile-copy p {
    font-size: 17px;
    line-height: 1.55;
  }

  .agile-cycle {
    gap: var(--space-3);
  }

  .agile-loop {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .agile-loop li {
    padding: var(--space-3);
  }

  .agile-loop span {
    margin-bottom: var(--space-2);
    font-size: 12px;
  }

  .agile-loop strong {
    margin-bottom: 0;
    font-size: 16px;
  }

  .agile-loop p {
    display: none;
  }

  .agile-note {
    padding: var(--space-3);
    font-size: 15px;
    line-height: 1.45;
  }

  .slide--build-workflow {
    align-items: start;
    padding-top: 88px;
    padding-bottom: 96px;
  }

  .slide--build-workflow .build-workflow-layout {
    gap: var(--space-5);
  }

  .slide--build-workflow .build-workflow-copy h2 {
    font-size: clamp(30px, 8.5vw, 38px);
  }

  .build-workflow li {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: var(--space-2) var(--space-3);
  }

  .build-workflow small {
    grid-column: 2;
  }

  .build-workflow strong,
  .build-workflow p {
    grid-column: 1 / -1;
  }

  .slide--voc-demo {
    overflow-y: auto;
    padding-top: 88px;
    padding-bottom: 96px;
  }

  .slide--voc-demo .voc-demo {
    gap: var(--space-2);
  }

  .slide--voc-demo .voc-demo__header .kicker {
    margin-bottom: var(--space-2);
  }

  .slide--voc-demo .voc-demo__header h2 {
    margin-bottom: var(--space-2);
    font-size: clamp(28px, 8.5vw, 34px);
  }

  .slide--voc-demo .voc-demo__header p:not(.kicker) {
    font-size: 15px;
    line-height: 1.45;
  }

  .slide--voc-demo .sample-disclosure {
    font-size: 11px;
  }

  .slide--voc-demo .voc-dashboard {
    grid-template-areas:
      "upload upload"
      "transcript transcript"
      "analysis classification"
      "stats report";
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: auto 132px auto auto;
    gap: var(--space-3);
  }

  .slide--voc-demo .voc-panel {
    padding: var(--space-3);
  }

  .slide--voc-demo .voc-panel__topline h3 {
    font-size: 14px;
  }

  .slide--voc-demo .voc-transcript {
    max-height: 104px;
  }

  .slide--voc-demo .voc-transcript.is-empty {
    min-height: 104px;
    padding: var(--space-3);
  }

  .slide--voc-demo .voc-audio-control,
  .slide--voc-demo .voc-score,
  .slide--voc-demo .voc-tags,
  .slide--voc-demo .voc-bars {
    margin-bottom: var(--space-1);
  }

  .slide--voc-demo .voc-key-sentence,
  .slide--voc-demo .voc-classification div:nth-child(n + 3),
  .slide--voc-demo .voc-bars {
    display: none;
  }

  .visual-frame,
  .visual-frame img {
    width: 100%;
    max-width: calc(100vw - var(--space-8));
  }

  .comparison,
  .mapping__header,
  .mapping__row {
    grid-template-columns: 1fr;
  }

  .mapping__row p + p {
    border-left: 0;
    border-top: 1px solid var(--border-default);
    background: var(--accent-secondary-tint);
  }

  .mapping__header span + span {
    border-top: 1px solid var(--contrast-divider);
  }

  .slide-count {
    left: var(--space-4);
    right: auto;
    bottom: var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
    animation-delay: 0ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}
