@font-face {
  font-family: "FZLanTingHei";
  src: url("./assets/fonts/FZLanTingHei-Regular.ttf") format("truetype");
  font-weight: 400;
}

@font-face {
  font-family: "FZLanTingHei";
  src: url("./assets/fonts/FZLanTingHei-Zhun.ttf") format("truetype");
  font-weight: 500;
}

@font-face {
  font-family: "FZLanTingHei";
  src: url("./assets/fonts/FZLanTingHei-Bold.ttf") format("truetype");
  font-weight: 700;
}

:root {
  --paper: #fff7f0;
  --paper-soft: rgba(255, 247, 240, 0.76);
  --pink: #fee1de;
  --brown: #4e2616;
  --brown-dark: #1f0d08;
  --brown-ink: #120807;
  --amber: #b96626;
  --amber-light: #f6b35f;
  --green: #686840;
  --coral: #ff5a4f;
  --thread: rgba(246, 179, 95, 0.74);
  --shadow-strong: 0 34px 120px rgba(0, 0, 0, 0.48);
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-fluid: cubic-bezier(.3, .06, .14, .98);
  --story-height: 700svh;
  --stage-progress: 0;
  --line-delay: 0ms;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at top, rgba(246, 179, 95, 0.08), transparent 28%),
    linear-gradient(180deg, #26120b 0%, #110605 100%);
}

body {
  margin: 0;
  min-height: 100%;
  color: var(--paper);
  background: transparent;
  font-family: "FZLanTingHei", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
}

body.story-locked {
  overflow: hidden;
}

body.story-started {
  overscroll-behavior-y: none;
  touch-action: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.experience {
  width: min(100vw, 430px);
  margin: 0 auto;
  background:
    linear-gradient(180deg, rgba(31, 13, 8, 0.985), rgba(18, 8, 5, 0.985));
  box-shadow: var(--shadow-strong);
}

.brand-float {
  position: fixed;
  z-index: 50;
  top: 20px;
  left: 50%;
  width: min(100vw, 430px);
  padding: 0 24px;
  transform: translateX(-50%);
  pointer-events: none;
  transition: opacity 320ms var(--ease-out), transform 320ms var(--ease-out);
}

.brand-float img {
  display: block;
  width: 84px;
  filter: invert(1) drop-shadow(0 10px 26px rgba(0, 0, 0, 0.32));
}

.story-shell {
  position: relative;
  min-height: var(--story-height);
}

.story-rail {
  position: absolute;
  inset: 0;
}

.story-marker {
  min-height: 100svh;
}

.story-stage-wrap {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: clip;
}

.story-stage {
  position: relative;
  height: 100%;
  isolation: isolate;
  overflow: clip;
  background:
    radial-gradient(circle at 50% 18%, rgba(246, 179, 95, 0.06), transparent 32%),
    linear-gradient(180deg, rgba(31, 13, 8, 0.96), rgba(18, 8, 5, 0.98));
}

.story-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 22;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(0, 0, 0, 0.12));
  mix-blend-mode: screen;
}

.scene {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 720ms var(--ease-out),
    visibility 720ms var(--ease-out),
    transform 920ms var(--ease-fluid);
  transform: scale(1.02);
}

.scene.is-current {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: scale(1);
  z-index: 5;
}

.scene-image,
.scene-support,
.scene-video,
.poster-product,
.poster-logo,
.dieline-map {
  user-select: none;
  -webkit-user-drag: none;
}

.scene-image,
.scene-video,
.scene-paper,
.poster-bg,
.scene-overlay,
.scene-support,
.product-emergence-core,
.entry-glow,
.proof-network,
.proof-note,
.copy-cluster,
.proof-signals,
.dieline-label,
.dieline-path,
.dieline-steps,
.poster-product,
.poster-logo,
.poster-grid,
.poster-halo,
.disclaimer {
  position: absolute;
}

.scene-image,
.scene-video,
.scene-paper,
.poster-bg,
.scene-overlay,
.entry-glow {
  inset: 0;
}

.scene-overlay,
.entry-glow,
.scene-thread,
.scene-grid-lab,
.proof-network,
.proof-signals,
.product-emergence-core,
.poster-grid,
.poster-halo,
.dieline-path,
.dieline-steps {
  pointer-events: none;
}

.scene-image,
.scene-video,
.poster-product img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scene-image,
.scene-video,
.scene-support,
.dieline-map,
.poster-logo,
.poster-product {
  pointer-events: none;
}

.scene-support,
.dieline-map {
  display: block;
}

.scene-image-opening {
  transform: scale(1.06);
  object-position: 50% center;
  animation: slowDriftOpening 11.5s ease-in-out infinite alternate;
}

.scene-image-world {
  transform: scale(1.05);
  object-position: center;
  animation: slowPanLeft 13.5s ease-in-out infinite alternate;
}

.scene-image-research {
  transform: scale(1.04);
  object-position: center;
  animation: slowDriftResearch 12.5s ease-in-out infinite alternate;
}

.scene-overlay-vignette {
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.76)),
    linear-gradient(90deg, rgba(0, 0, 0, 0.34), transparent 44%),
    linear-gradient(90deg, transparent 0 78%, rgba(0, 0, 0, 0.24) 100%);
}

.scene-overlay-brown {
  background:
    radial-gradient(circle at 66% 24%, rgba(246, 179, 95, 0.1), transparent 26%),
    radial-gradient(circle at 22% 80%, rgba(255, 247, 240, 0.06), transparent 24%);
}

.scene-opening-sweep {
  background:
    linear-gradient(112deg, transparent 0 30%, rgba(255, 247, 240, 0.34) 46%, transparent 62%);
  transform: translateX(-52%) skewX(-18deg);
  opacity: 0;
}

.story-stage[data-start-burst="true"] .scene-opening-sweep {
  animation: burstSweep 1.1s var(--ease-fluid) forwards;
}

.scene-opening-rings {
  background:
    radial-gradient(circle, transparent 0 34%, rgba(255, 247, 240, 0.09) 34.4%, transparent 35%),
    radial-gradient(circle, transparent 0 48%, rgba(246, 179, 95, 0.13) 48.4%, transparent 49%),
    radial-gradient(circle, transparent 0 62%, rgba(246, 179, 95, 0.08) 62.4%, transparent 63%);
  opacity: 0.28;
  transform: scale(0.8);
}

.story-stage[data-start-burst="true"] .scene-opening-rings {
  animation: pulseLaunch 1.4s var(--ease-out) forwards;
}

.scene-opening-split {
  position: absolute;
  inset: 0;
  z-index: 8;
  pointer-events: none;
}

.scene-opening-split__panel {
  position: absolute;
  top: -8%;
  bottom: -8%;
  width: 50%;
  opacity: 0;
  background:
    linear-gradient(180deg, rgba(31, 13, 8, 0.12), rgba(31, 13, 8, 0.82)),
    linear-gradient(90deg, rgba(255, 247, 240, 0.08), rgba(255, 247, 240, 0));
  box-shadow: inset 0 0 54px rgba(255, 247, 240, 0.08);
}

.scene-opening-split__panel--left {
  left: 0;
  transform-origin: left center;
}

.scene-opening-split__panel--right {
  right: 0;
  transform-origin: right center;
}

.story-stage[data-start-burst="true"] .scene-opening-split__panel--left {
  animation: splitOpenLeft 1.08s var(--ease-fluid) forwards;
}

.story-stage[data-start-burst="true"] .scene-opening-split__panel--right {
  animation: splitOpenRight 1.08s var(--ease-fluid) forwards;
}

.entry-glow {
  background:
    radial-gradient(circle at 50% 46%, rgba(246, 179, 95, 0.32), transparent 20%),
    radial-gradient(circle at 64% 30%, rgba(255, 247, 240, 0.14), transparent 18%);
  opacity: 0.76;
  pointer-events: none;
}

.opening-lockup {
  position: absolute;
  left: 50%;
  top: 18%;
  z-index: 12;
  width: min(82vw, 320px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  transform: translateX(-50%);
  pointer-events: none;
}

.opening-lockup__logo {
  width: 84px;
  height: auto;
  filter: invert(1);
  opacity: 0;
}

.opening-lockup__divider {
  width: 1px;
  height: 56px;
  background: rgba(255, 247, 240, 0.36);
  opacity: 0;
  transform: scaleY(0.4);
}

.opening-lockup__copy {
  display: grid;
  gap: 8px;
  justify-items: start;
}

.opening-lockup__eyebrow {
  color: rgba(255, 247, 240, 0.58);
  font-size: 10px;
  letter-spacing: 0.22em;
  opacity: 0;
  transform: translateY(12px);
}

.opening-lockup__slogan {
  color: rgba(255, 247, 240, 0.96);
  font-size: clamp(24px, 7vw, 34px);
  font-weight: 500;
  line-height: 1.14;
  text-wrap: pretty;
  opacity: 0;
  transform: translateY(16px);
}

.scene-opening.is-current .opening-lockup__logo {
  animation: lineReveal 680ms 120ms var(--ease-out) forwards;
}

.scene-opening.is-current .opening-lockup__divider {
  animation: dividerReveal 680ms 260ms var(--ease-out) forwards;
}

.scene-opening.is-current .opening-lockup__eyebrow {
  animation: lineReveal 680ms 360ms var(--ease-out) forwards;
}

.scene-opening.is-current .opening-lockup__slogan {
  animation: lineReveal 760ms 460ms var(--ease-out) forwards;
}

.opening-trigger {
  position: absolute;
  z-index: 12;
  left: 50%;
  top: 50%;
  width: 168px;
  height: 168px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  box-shadow: none;
  color: inherit;
  text-align: center;
  transform: translate3d(-50%, -56%, 0);
  transform-origin: center;
  cursor: pointer;
  pointer-events: auto;
  overflow: visible;
}

.opening-trigger:hover,
.opening-trigger:focus-visible {
  outline: none;
}

.opening-trigger:active {
  transform: translate3d(-50%, -56%, 0) scale(0.97);
}

.opening-trigger::after {
  content: "";
  position: absolute;
  inset: 28px;
  border-radius: 999px;
  background:
    radial-gradient(circle, rgba(246, 179, 95, 0.16), rgba(246, 179, 95, 0.02) 58%, transparent 72%);
  box-shadow:
    0 0 0 1px rgba(255, 247, 240, 0.28),
    0 0 56px rgba(246, 179, 95, 0.34);
  animation: triggerHalo 2.6s ease-in-out infinite;
  pointer-events: none;
}

.opening-trigger__hint,
.copy-label {
  display: block;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 11px;
}

.opening-trigger__rings {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.opening-trigger__rings span {
  position: absolute;
  border-radius: 999px;
  border: 1px solid rgba(255, 247, 240, 0.34);
  box-shadow: 0 0 26px rgba(246, 179, 95, 0.22);
}

.opening-trigger__rings span:nth-child(1) {
  width: 72px;
  height: 72px;
  animation: triggerCore 2.1s ease-in-out infinite;
}

.opening-trigger__rings span:nth-child(2) {
  width: 108px;
  height: 108px;
  animation: triggerRing 1.8s ease-out infinite;
}

.opening-trigger__rings span:nth-child(3) {
  width: 144px;
  height: 144px;
  animation: triggerRing 1.8s ease-out infinite 0.56s;
}

.opening-trigger__hint {
  position: absolute;
  left: 50%;
  bottom: -16px;
  transform: translateX(-50%);
  color: rgba(255, 247, 240, 0.8);
  font-size: 11px;
  white-space: nowrap;
}

.story-stage[data-started="true"] .opening-trigger {
  opacity: 0;
  transform: translate3d(-50%, -56%, 0) scale(0.88);
  transition: opacity 400ms var(--ease-out), transform 680ms var(--ease-out);
  pointer-events: none;
}

.story-stage[data-started="true"] .opening-lockup {
  opacity: 0;
  transform: translateX(-50%) scale(1.04) rotate(-4deg);
  transition: opacity 420ms var(--ease-out), transform 900ms var(--ease-fluid);
}

.story-stage[data-started="true"] .scene-opening {
  transform: scale(1.08) rotate(-2.4deg);
}

.copy-cluster {
  z-index: 18;
  left: 24px;
  right: 24px;
  display: grid;
  gap: 8px;
}

.copy-world,
.copy-research,
.copy-dieline,
.copy-proof,
.copy-emergence,
.copy-poster {
  bottom: 56px;
}

.copy-proof {
  bottom: 88px;
  right: 20px;
  padding-top: 42px;
  background:
    linear-gradient(180deg, transparent 0%, rgba(31, 13, 8, 0.12) 10%, rgba(31, 13, 8, 0.74) 44%, rgba(31, 13, 8, 0.92) 100%);
}

.copy-emergence {
  left: 0;
  right: 0;
  bottom: 0;
  padding: 112px 24px 112px;
  background:
    linear-gradient(180deg, transparent 0%, rgba(31, 13, 8, 0.12) 18%, rgba(31, 13, 8, 0.82) 52%, rgba(31, 13, 8, 0.97) 100%);
}

.copy-poster {
  bottom: 86px;
}

.copy-dieline {
  left: 18px;
  right: 42px;
  bottom: 46px;
  padding-top: 126px;
  background:
    linear-gradient(180deg, transparent 0%, rgba(255, 247, 240, 0.08) 24%, rgba(255, 247, 240, 0.84) 54%, rgba(255, 247, 240, 0.96) 100%);
}

.copy-research {
  bottom: 54px;
}

.copy-research .copy-line {
  max-width: 258px;
}

.copy-research .copy-line:nth-of-type(3) {
  display: none;
}

.copy-proof .copy-line,
.copy-emergence .copy-line {
  max-width: 318px;
  font-size: clamp(20px, 6.6vw, 30px);
  line-height: 1.16;
}

.copy-proof .copy-line-sub,
.copy-emergence .copy-line-sub {
  font-size: 15px;
}

.copy-emergence .copy-line {
  max-width: 286px;
}

.copy-proof .copy-line {
  max-width: 338px;
  font-size: clamp(18px, 5.8vw, 27px);
  line-height: 1.22;
}

.copy-label {
  margin-bottom: 6px;
  color: rgba(255, 247, 240, 0.62);
}

.copy-dark .copy-label {
  color: rgba(78, 38, 22, 0.62);
}

.copy-line {
  margin: 0;
  max-width: 344px;
  color: var(--paper);
  font-size: clamp(24px, 7vw, 34px);
  line-height: 1.15;
  text-wrap: pretty;
  opacity: 0;
  transform: translateY(18px);
}

.copy-line-sub {
  margin-top: 8px;
  font-size: 16px;
  letter-spacing: 0.06em;
}

.copy-line-strong {
  font-size: clamp(30px, 8vw, 40px);
}

.copy-dark .copy-line,
.copy-dark {
  color: var(--brown);
}

.copy-dark .copy-line-sub {
  color: rgba(31, 13, 8, 0.84);
}

.scene.is-current .copy-line,
.scene.is-current .proof-note,
.scene.is-current .proof-signal {
  animation: lineReveal 720ms var(--ease-out) forwards;
}

.scene.is-current .copy-line:nth-of-type(1) {
  animation-delay: 90ms;
}

.scene.is-current .copy-line:nth-of-type(2) {
  animation-delay: 210ms;
}

.scene.is-current .copy-line:nth-of-type(3) {
  animation-delay: 340ms;
}

.scene-warm-film {
  background:
    linear-gradient(180deg, rgba(31, 13, 8, 0.18), rgba(31, 13, 8, 0.72)),
    radial-gradient(circle at 72% 22%, rgba(246, 179, 95, 0.22), transparent 34%),
    radial-gradient(circle at 16% 78%, rgba(255, 247, 240, 0.12), transparent 24%);
}

.scene-thread {
  left: 24px;
  right: 112px;
  height: 1px;
  background:
    linear-gradient(90deg, transparent, rgba(246, 179, 95, 0.92), transparent);
  box-shadow: 0 0 20px rgba(246, 179, 95, 0.32);
}

.scene-thread-world {
  top: 112px;
  animation: threadSweep 5.4s var(--ease-fluid) infinite;
}

.scene-lab-haze {
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.03), rgba(31, 13, 8, 0.18)),
    radial-gradient(circle at 50% 54%, rgba(255, 247, 240, 0.14), transparent 24%);
}

.scene-grid-lab {
  inset: 16% 10% 18% 10%;
  border: 1px solid rgba(255, 247, 240, 0.04);
  background:
    linear-gradient(rgba(255, 247, 240, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 247, 240, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mix-blend-mode: screen;
  opacity: 0.1;
}

.scene-paper {
  z-index: -6;
  background:
    linear-gradient(180deg, rgba(255, 247, 240, 0.96), rgba(254, 225, 222, 0.86));
}

.scene-paper-fiber {
  z-index: -5;
  background: url("./assets/cinematic/paper-fiber-field.svg") center / cover;
  opacity: 0.9;
}

.scene-dieline::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(180deg, rgba(255, 247, 240, 0.97), rgba(255, 247, 240, 0.93)),
    radial-gradient(circle at 12% 10%, rgba(255, 247, 240, 0.98), rgba(255, 247, 240, 0.78) 16%, transparent 24%);
  pointer-events: none;
}

.scene-dieline::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 188px;
  height: 168px;
  z-index: 1;
  background: none;
  pointer-events: none;
}

.dieline-label {
  z-index: 6;
  left: 18px;
  top: 50px;
  padding: 8px 12px;
  color: rgba(78, 38, 22, 0.84);
  border: 1px solid rgba(78, 38, 22, 0.14);
  background: rgba(255, 247, 240, 0.58);
  font-size: 12px;
  letter-spacing: 0.08em;
  opacity: 0;
  transform: translateY(18px);
}

.dieline-map {
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 34%;
  width: 112%;
  height: auto;
  transform: translate3d(-50%, -50%, 0) rotate(-2deg) scale(0.82);
  transform-origin: center;
  opacity: 0.44;
  filter: sepia(0.2) saturate(0.84);
  clip-path: inset(0 0 0 0);
}

.dieline-path {
  z-index: 3;
  inset: 7% 4% auto;
  height: 58%;
  color: rgba(78, 38, 22, 0.68);
  opacity: 0;
}

.dieline-path svg {
  width: 100%;
  height: 100%;
}

.dieline-path path {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 920;
  stroke-dashoffset: 920;
}

.scene.is-current .dieline-path path {
  animation: drawPath 1.8s 1.1s var(--ease-fluid) forwards;
}

.dieline-steps {
  z-index: 5;
  right: 18px;
  top: 130px;
  display: grid;
  gap: 12px;
}

.dieline-steps span {
  display: block;
  padding: 8px 12px;
  color: rgba(78, 38, 22, 0.8);
  border: 1px solid rgba(78, 38, 22, 0.1);
  background: rgba(255, 247, 240, 0.52);
  font-size: 12px;
  letter-spacing: 0.08em;
  opacity: 0;
  transform: translateY(12px);
  box-shadow: 0 16px 28px rgba(126, 92, 67, 0.08);
}

.scene.is-current .dieline-steps span {
  animation: lineReveal 600ms var(--ease-out) forwards;
}

.scene.is-current .dieline-steps span:nth-child(1) {
  animation-delay: 1700ms;
}

.scene.is-current .dieline-steps span:nth-child(2) {
  animation-delay: 1840ms;
}

.scene.is-current .dieline-steps span:nth-child(3) {
  animation-delay: 1980ms;
}

.copy-dieline .copy-label,
.copy-dieline .copy-line {
  opacity: 0;
}

.copy-dieline .copy-label {
  letter-spacing: 0.22em;
}

.copy-dieline .copy-line {
  max-width: 240px;
}

.scene.scene-dieline.is-current .copy-dieline .copy-label {
  animation: lineReveal 640ms 1440ms var(--ease-out) forwards;
}

.scene.scene-dieline.is-current .copy-dieline .copy-line:nth-of-type(1) {
  animation-delay: 1560ms;
}

.scene.scene-dieline.is-current .copy-dieline .copy-line:nth-of-type(2) {
  animation-delay: 1700ms;
}

.scene.scene-dieline.is-current .copy-dieline .copy-line:nth-of-type(3) {
  animation-delay: 1840ms;
}

.scene.scene-dieline.is-current .dieline-label {
  animation: lineReveal 620ms 1380ms var(--ease-out) forwards;
}

.scene-video {
  z-index: -6;
  object-fit: cover;
}

.scene-proof-veil {
  background:
    linear-gradient(180deg, rgba(31, 13, 8, 0.2), rgba(31, 13, 8, 0.7)),
    radial-gradient(circle at 50% 32%, rgba(255, 247, 240, 0.12), transparent 20%),
    radial-gradient(circle at 18% 78%, rgba(246, 179, 95, 0.14), transparent 22%);
}

.proof-network {
  inset: 96px 0 96px 0;
  z-index: 2;
}

.proof-network::before,
.proof-network::after {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  height: 1px;
  background:
    linear-gradient(90deg, transparent 0, rgba(255, 247, 240, 0.16) 20%, rgba(246, 179, 95, 0.62) 48%, rgba(255, 247, 240, 0.16) 72%, transparent 100%);
}

.proof-network::before {
  top: 156px;
  animation: threadSweep 8.8s linear infinite;
}

.proof-network::after {
  top: 416px;
  animation: threadSweepReverse 9.6s linear infinite;
}

.proof-node {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: rgba(246, 179, 95, 0.92);
  box-shadow: 0 0 20px rgba(246, 179, 95, 0.42);
}

.proof-node-a {
  top: 150px;
  left: 156px;
  animation: nodePulse 5.8s ease-in-out infinite;
}

.proof-node-b {
  top: 344px;
  right: 116px;
  animation: nodePulse 6.6s ease-in-out infinite 0.8s;
}

.proof-node-c {
  top: 634px;
  left: 50%;
  margin-left: -6px;
  animation: nodePulse 7.2s ease-in-out infinite 1.4s;
}

.proof-signals {
  z-index: 3;
  inset: 104px 18px 420px 18px;
}

.proof-signal {
  display: grid;
  gap: 6px;
  max-width: 142px;
  padding: 10px 11px 12px;
  color: var(--paper);
  border: 1px solid rgba(255, 247, 240, 0.12);
  background:
    linear-gradient(180deg, rgba(31, 13, 8, 0.36), rgba(31, 13, 8, 0.14));
  backdrop-filter: blur(8px);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.24);
  opacity: 0;
  transform: translateY(16px);
}

.proof-signal strong {
  font-size: 28px;
  line-height: 1;
  transform: skewX(-14deg);
}

.proof-signal span {
  font-size: 11px;
  line-height: 1.36;
}

.proof-signal-main {
  position: absolute;
  left: 0;
  top: 0;
}

.proof-signals .proof-signal:nth-child(2) {
  position: absolute;
  right: 0;
  top: 44px;
}

.proof-signals .proof-signal:nth-child(3) {
  position: absolute;
  left: 20px;
  top: 124px;
}

.proof-signals .proof-signal:nth-child(4) {
  position: absolute;
  right: 10px;
  top: 182px;
}

.scene.is-current .proof-signal:nth-child(1) {
  animation-delay: 280ms;
}

.scene.is-current .proof-signal:nth-child(2) {
  animation-delay: 620ms;
}

.scene.is-current .proof-signal:nth-child(3) {
  animation-delay: 980ms;
}

.scene.is-current .proof-signal:nth-child(4) {
  animation-delay: 1320ms;
}

.proof-note {
  z-index: 4;
  left: 24px;
  right: 24px;
  bottom: 30px;
  margin: 0;
  max-width: 320px;
  color: rgba(255, 247, 240, 0.7);
  font-size: 11px;
  line-height: 1.55;
  opacity: 0;
  transform: translateY(16px);
}

.scene.scene-proof.is-current .copy-proof .copy-line:nth-of-type(1) {
  animation-delay: 700ms;
}

.scene.scene-proof.is-current .copy-proof .copy-line:nth-of-type(2) {
  animation-delay: 1120ms;
}

.scene.scene-proof.is-current .copy-proof .copy-line:nth-of-type(3) {
  animation-delay: 1540ms;
}

.scene.scene-proof.is-current .proof-note {
  animation-delay: 1880ms;
}

.scene-video-ambient {
  z-index: -6;
  filter: saturate(1.2) brightness(0.82);
}

.scene-support-hero,
.scene-support-dual,
.scene-support-detail {
  z-index: 2;
  object-fit: cover;
  border-radius: 30px;
  border: 1px solid rgba(255, 247, 240, 0.18);
  box-shadow:
    0 28px 66px rgba(0, 0, 0, 0.42),
    inset 0 1px 0 rgba(255, 247, 240, 0.2);
}

.scene-support-hero {
  left: 50%;
  top: 96px;
  width: 72%;
  height: 33%;
  transform: translateX(-50%) translateY(34px) scale(0.9);
  border-radius: 40px;
  object-position: center 22%;
}

.scene-support-dual {
  width: 31%;
  height: 14%;
  right: 18px;
  bottom: 294px;
  border-radius: 24px;
  transform: translate3d(26px, 30px, 0) rotate(8deg) scale(0.9);
  object-position: center;
  filter: saturate(1.04) brightness(1.02);
}

.scene-support-detail {
  width: 31%;
  height: 14%;
  left: 18px;
  bottom: 278px;
  border-radius: 24px;
  transform: translate3d(-26px, 34px, 0) rotate(-10deg) scale(0.88);
  object-position: 46% center;
  filter: saturate(1.08);
}

.scene.is-current .scene-support-hero {
  animation: emergenceHeroReveal 1.12s 120ms var(--ease-out) forwards;
}

.scene.is-current .scene-support-dual {
  animation: emergenceCardRight 1.06s 320ms var(--ease-out) forwards;
}

.scene.is-current .scene-support-detail {
  animation: emergenceCardLeft 1.06s 420ms var(--ease-out) forwards;
}

.scene-emergence-shadow {
  background:
    linear-gradient(180deg, rgba(31, 13, 8, 0.08), rgba(31, 13, 8, 0.82)),
    radial-gradient(circle at 50% 34%, rgba(255, 247, 240, 0.18), transparent 20%),
    radial-gradient(circle at 52% 72%, rgba(246, 179, 95, 0.2), transparent 26%);
}

.scene-emergence-glass {
  background:
    linear-gradient(122deg, transparent 0 30%, rgba(255, 247, 240, 0.16) 46%, transparent 60%);
  mix-blend-mode: screen;
  opacity: 0.44;
}

.product-emergence-core {
  z-index: 1;
  left: 50%;
  top: 34%;
  width: 72%;
  aspect-ratio: 1 / 1;
  transform: translate(-50%, -50%);
  background:
    radial-gradient(circle, rgba(246, 179, 95, 0.76), rgba(185, 102, 38, 0.28) 32%, transparent 58%);
  filter: blur(14px);
  opacity: 0.82;
  animation: emergenceHaloPulse 5.4s ease-in-out infinite alternate;
}

.poster-bg {
  z-index: -6;
  background:
    linear-gradient(180deg, rgba(31, 13, 8, 0.12), rgba(31, 13, 8, 0.8)),
    url("./assets/cinematic/final-poster-bg.svg") center / cover,
    radial-gradient(circle at 50% 44%, rgba(246, 179, 95, 0.18), transparent 36%),
    var(--brown-dark);
}

.poster-grid {
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(rgba(255, 247, 240, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 247, 240, 0.06) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.92) 28%, rgba(0, 0, 0, 0.92) 78%, transparent);
}

.poster-halo {
  z-index: 0;
  inset: 15% 14% 26% 14%;
  background:
    radial-gradient(circle at 50% 50%, rgba(246, 179, 95, 0.32), transparent 58%);
  filter: blur(28px);
}

.poster-logo {
  z-index: 4;
  left: 24px;
  top: 24px;
  width: 86px;
  height: auto;
  filter: invert(1);
}

.poster-product {
  z-index: 3;
  left: 50%;
  top: 17%;
  width: 82%;
  transform: translateX(-50%);
}

.poster-product img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 30px 58px rgba(0, 0, 0, 0.52));
  animation: posterFloat 4.8s var(--ease-fluid) infinite alternate;
}

.disclaimer {
  z-index: 5;
  left: 28px;
  right: 28px;
  bottom: 34px;
  margin: 0;
  color: rgba(255, 247, 240, 0.6);
  font-size: 11px;
  line-height: 1.52;
}

.swipe-cue {
  position: absolute;
  left: 50%;
  bottom: 52px;
  z-index: 30;
  display: grid;
  justify-items: center;
  transform: translateX(-50%);
  pointer-events: none;
  opacity: 0.88;
  transition: opacity 320ms var(--ease-out);
}

.swipe-cue__line {
  width: 178px;
  height: 54px;
  border: 1px solid rgba(255, 247, 240, 0.12);
  border-radius: 999px;
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 247, 240, 0.08), rgba(255, 247, 240, 0.02));
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.22);
}

.swipe-cue__line::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 16px;
  width: 22px;
  height: 22px;
  border-left: 2px solid rgba(255, 247, 240, 0.42);
  border-top: 2px solid rgba(255, 247, 240, 0.42);
  transform: translateX(-50%) rotate(45deg);
  animation: swipeCueLift 2.4s ease-in-out infinite;
}

.swipe-cue__text {
  display: none;
}

body.is-poster-active .swipe-cue,
.story-stage.is-opening .swipe-cue {
  opacity: 0;
}

body.is-poster-active .brand-float {
  opacity: 0;
}

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

@keyframes slowDriftOpening {
  from {
    transform: scale(1.05) translate3d(0, 0, 0);
  }

  to {
    transform: scale(1.12) translate3d(-2.4%, -1.6%, 0);
  }
}

@keyframes slowPanLeft {
  from {
    transform: scale(1.11) translate3d(4.2%, 0.6%, 0);
  }

  to {
    transform: scale(1.19) translate3d(-4.2%, -1.2%, 0);
  }
}

@keyframes slowPanRight {
  from {
    transform: scale(1.12) translate3d(-4%, 0, 0);
  }

  to {
    transform: scale(1.18) translate3d(2%, -1%, 0);
  }
}

@keyframes slowDriftResearch {
  from {
    transform: scale(1.04) translate3d(0, 0, 0);
  }

  to {
    transform: scale(1.1) translate3d(-2.2%, -2.6%, 0);
  }
}

@keyframes burstSweep {
  0% {
    transform: translateX(-58%) skewX(-18deg);
    opacity: 0;
  }

  28% {
    opacity: 0.9;
  }

  100% {
    transform: translateX(58%) skewX(-18deg);
    opacity: 0;
  }
}

@keyframes pulseLaunch {
  0% {
    transform: scale(0.6);
    opacity: 0.24;
  }

  40% {
    opacity: 0.58;
  }

  100% {
    transform: scale(1.42);
    opacity: 0;
  }
}

@keyframes splitOpenLeft {
  0% {
    opacity: 0;
    transform: translateX(0) rotateY(0deg) scaleX(1);
  }

  16% {
    opacity: 0.86;
  }

  100% {
    opacity: 0;
    transform: translateX(-102%) rotateY(28deg) scaleX(0.92);
  }
}

@keyframes splitOpenRight {
  0% {
    opacity: 0;
    transform: translateX(0) rotateY(0deg) scaleX(1);
  }

  16% {
    opacity: 0.86;
  }

  100% {
    opacity: 0;
    transform: translateX(102%) rotateY(-28deg) scaleX(0.92);
  }
}

@keyframes triggerSweep {
  0% {
    transform: translateX(-120%);
    opacity: 0;
  }

  18% {
    opacity: 0.64;
  }

  40%,
  100% {
    transform: translateX(120%);
    opacity: 0;
  }
}

@keyframes threadSweep {
  from {
    transform: translateX(-18%);
    opacity: 0.16;
  }

  40% {
    opacity: 0.54;
  }

  to {
    transform: translateX(18%);
    opacity: 0.16;
  }
}

@keyframes threadSweepReverse {
  from {
    transform: translateX(12%);
    opacity: 0.18;
  }

  40% {
    opacity: 0.42;
  }

  to {
    transform: translateX(-12%);
    opacity: 0.14;
  }
}

@keyframes drawPath {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes triggerHalo {
  0%,
  100% {
    opacity: 0.76;
    transform: scale(0.96);
  }

  50% {
    opacity: 1;
    transform: scale(1.04);
  }
}

@keyframes triggerRing {
  0% {
    opacity: 0.56;
    transform: scale(0.74);
  }

  100% {
    opacity: 0;
    transform: scale(1.18);
  }
}

@keyframes triggerCore {
  0%,
  100% {
    opacity: 0.72;
    transform: scale(0.96);
  }

  50% {
    opacity: 1;
    transform: scale(1.08);
  }
}

@keyframes dividerReveal {
  to {
    opacity: 1;
    transform: scaleY(1);
  }
}

@keyframes nodePulse {
  0%,
  100% {
    transform: scale(0.88);
    opacity: 0.74;
  }

  50% {
    transform: scale(1.18);
    opacity: 1;
  }
}

@keyframes heroLift {
  to {
    transform: translateY(0) scale(1);
  }
}

@keyframes heroLiftCentered {
  to {
    transform: translateX(-50%) translateY(0) scale(1);
  }
}

@keyframes emergenceHeroReveal {
  0% {
    opacity: 0;
    transform: translateX(-50%) translateY(34px) scale(0.9) rotate(-4deg);
  }

  55% {
    opacity: 1;
  }

  100% {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1) rotate(0deg);
  }
}

@keyframes cardRise {
  to {
    transform: rotate(-7deg) translateY(0);
    opacity: 1;
  }
}

@keyframes cardRiseLeft {
  to {
    transform: rotate(-12deg) translateY(0);
    opacity: 1;
  }
}

@keyframes emergenceCardRight {
  0% {
    opacity: 0;
    transform: translate3d(34px, 34px, 0) rotate(14deg) scale(0.82);
  }

  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0) rotate(6deg) scale(1);
  }
}

@keyframes emergenceCardLeft {
  0% {
    opacity: 0;
    transform: translate3d(-34px, 36px, 0) rotate(-16deg) scale(0.8);
  }

  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0) rotate(-8deg) scale(1);
  }
}

@keyframes haloPulse {
  from {
    transform: translate(-50%, -50%) scale(0.96);
    opacity: 0.56;
  }

  to {
    transform: translate(-50%, -50%) scale(1.06);
    opacity: 0.9;
  }
}

@keyframes emergenceHaloPulse {
  from {
    transform: translate(-50%, -50%) scale(0.92);
    opacity: 0.48;
  }

  to {
    transform: translate(-50%, -50%) scale(1.08);
    opacity: 0.94;
  }
}

@keyframes posterFloat {
  from {
    transform: translateY(0) scale(1);
  }

  to {
    transform: translateY(-14px) scale(1.015);
  }
}

.scene.scene-dieline.is-current .dieline-map {
  animation:
    dielineReveal 2.2s var(--ease-fluid) forwards,
    dielineBreath 4.8s 2.24s ease-in-out infinite alternate;
}

.scene.scene-dieline.is-current .dieline-path {
  animation: dielinePathFade 0ms 1040ms linear forwards;
}

@keyframes dielineReveal {
  0% {
    transform: translate3d(-50%, -56%, 0) rotate(-15deg) scale(0.46);
    opacity: 0.08;
  }

  34% {
    transform: translate3d(-50%, -36%, 0) rotate(8deg) scale(1.12);
    opacity: 0.6;
  }

  58% {
    transform: translate3d(-50%, -48%, 0) rotate(-6deg) scale(0.84);
    opacity: 0.42;
  }

  100% {
    transform: translate3d(-50%, -50%, 0) rotate(0deg) scale(1);
    opacity: 0.34;
  }
}

@keyframes dielineBreath {
  from {
    transform: translate3d(-50%, -48%, 0) rotate(-3deg) scale(0.96);
  }

  to {
    transform: translate3d(-50%, -52%, 0) rotate(3deg) scale(1.04);
  }
}

@keyframes dielinePathFade {
  to {
    opacity: 0.92;
  }
}

@keyframes swipeCueLift {
  0%,
  100% {
    opacity: 0.2;
    transform: translateX(-50%) translateY(8px) rotate(45deg);
  }

  50% {
    opacity: 0.84;
    transform: translateX(-50%) translateY(0) rotate(45deg);
  }
}

@media (min-width: 760px) {
  .experience {
    width: 430px;
  }
}

@media (max-width: 370px) {
  .brand-float,
  .copy-cluster,
  .proof-note,
  .disclaimer {
    left: 22px;
    right: 22px;
  }

  .opening-trigger {
    width: 156px;
    height: 156px;
    left: 50%;
    top: 48%;
    transform: translate3d(-50%, -50%, 0);
  }

  .opening-lockup {
    top: 18%;
    width: min(84vw, 300px);
    gap: 14px;
  }

  .opening-lockup__logo {
    width: 72px;
  }

  .opening-lockup__slogan {
    font-size: 24px;
  }

  .opening-trigger__rings span:nth-child(1) {
    width: 68px;
    height: 68px;
  }

  .opening-trigger__rings span:nth-child(2) {
    width: 98px;
    height: 98px;
  }

  .opening-trigger__rings span:nth-child(3) {
    width: 132px;
    height: 132px;
  }

  .copy-line {
    font-size: 26px;
  }

  .swipe-cue__text {
    font-size: 20px;
    letter-spacing: 0.22em;
  }

  .proof-signals {
    inset: 118px 14px 404px 14px;
  }

  .proof-signal {
    max-width: 134px;
    padding: 9px 9px 10px;
  }

  .proof-signal strong {
    font-size: 25px;
  }

  .scene-support-hero {
    top: 94px;
    width: 76%;
    height: 30%;
  }

  .scene-support-dual {
    width: 32%;
    height: 12%;
    right: 16px;
    bottom: 302px;
  }

  .scene-support-detail {
    width: 32%;
    height: 12%;
    left: 16px;
    bottom: 286px;
  }
}

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

  .copy-line,
  .proof-note,
  .proof-signal,
  .dieline-steps span {
    opacity: 1;
    transform: none;
  }

  .dieline-path path {
    stroke-dashoffset: 0;
  }

  .opening-trigger {
    transform: none;
  }
}
