:root {
  --ink: #171713;
  --paper: #f1f0ec;
  --font-geist-sans: Arial, "Helvetica Neue", sans-serif;
  --font-geist-mono: "SFMono-Regular", Consolas, monospace;
  --font-editorial: Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-geist-sans), Arial, sans-serif;
}

.page-scroll {
  width: 100vw;
  height: 100vh;
  height: 100svh;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
  scrollbar-width: none;
}

.page-scroll::-webkit-scrollbar {
  display: none;
}

.page-scroll.is-transition-locked {
  overflow-y: hidden;
  scroll-behavior: auto;
  scroll-snap-type: none;
}

button,
a {
  color: inherit;
  font: inherit;
}

button {
  border: 0;
}

.hero-shell {
  position: relative;
  width: 100vw;
  height: 100svh;
  min-height: 620px;
  overflow: hidden;
  isolation: isolate;
  background-color: var(--paper);
  background-image: radial-gradient(circle, rgba(23, 23, 19, 0.14) 1.2px, transparent 1.35px);
  background-size: 20px 20px;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.hero-shell::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background: radial-gradient(circle at 50% 43%, rgba(255, 255, 255, 0.85), rgba(241, 240, 236, 0) 42%);
  pointer-events: none;
}

.motion-screen {
  position: relative;
  width: 100vw;
  height: 100vh;
  height: 100svh;
  min-height: 620px;
  overflow: hidden;
  background-color: var(--paper);
  background-image: radial-gradient(circle, rgba(23, 23, 19, 0.14) 1.2px, transparent 1.35px);
  background-size: 20px 20px;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.motion-screen::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(circle at 50% 43%, rgba(255, 255, 255, 0.85), rgba(241, 240, 236, 0) 42%);
  content: "";
  pointer-events: none;
}

.display-heading {
  position: absolute;
  top: clamp(72px, 9vh, 98px);
  left: 50%;
  z-index: 20;
  width: min(1040px, 88vw);
  opacity: 0;
  transform: translate(-50%, -34px) scale(0.97);
  text-align: center;
}

.display-screen.is-active .display-heading {
  animation: display-heading-in 900ms cubic-bezier(0.16, 1, 0.3, 1) 120ms both;
}

.display-heading p,
.marketplace-kicker {
  margin: 0 0 14px;
  color: rgba(23, 23, 19, 0.48);
  font-family: var(--font-geist-mono), monospace;
  font-size: 14px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.display-heading h2,
.marketplace-copy h2,
.featured-copy h2 {
  margin: 0;
  font-family: var(--font-geist-sans), Arial, sans-serif;
  font-size: clamp(58px, 5.1vw, 98px);
  font-weight: 560;
  line-height: 0.92;
  letter-spacing: -0.065em;
}

.shared-card-stage {
  position: fixed;
  inset: 0;
  z-index: 25;
  overflow: hidden;
  opacity: 1;
  pointer-events: none;
  transition: opacity 260ms ease-out;
  visibility: visible;
}

.shared-card-stage.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.shared-card-stage.is-fading-out {
  opacity: 0;
}

.placeholder-card {
  position: absolute;
  top: 50%;
  left: 50%;
  display: block;
  width: clamp(138px, 10.5vw, 202px);
  aspect-ratio: 1;
  border-radius: 16px;
  background-color: var(--card-color);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  box-shadow: none;
  will-change: transform, opacity;
}

.shared-card {
  --fourth-x: calc(43.2vw - 180px);
  --fourth-y: calc(39vh - 204px);
  top: calc(51% + 24px);
  z-index: calc(20 + var(--card-order));
  width: 360px;
}

.shared-card-stage.is-second-enter .shared-card {
  animation: display-card-enter 3s both;
}

.shared-card-stage.is-closing .shared-card {
  animation: display-card-close 1s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.shared-card-stage.is-holding .shared-card {
  transform: translate(-50%, -50%) rotate(0deg) scale(1);
}

.shared-card-stage.is-third-expand .shared-card {
  animation: shared-card-third-expand 1050ms cubic-bezier(0.55, 0, 0.2, 1) var(--card-delay) both;
}

.shared-card-stage.is-third-return .shared-card {
  animation: shared-card-third-return 1050ms cubic-bezier(0.16, 1, 0.3, 1) var(--card-delay) both;
}

.shared-card-stage.is-third-closing .shared-card {
  animation: shared-card-third-close 1s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.shared-card-stage.is-fourth-expand .shared-card,
.shared-card-stage.is-fourth-closing .shared-card {
  transform: translate(calc(-50% + var(--fourth-x)), calc(-50% + var(--fourth-y))) rotate(0deg) scale(1);
}

.shared-card-stage.is-fourth-expand .shared-card:not(:last-child),
.shared-card-stage.is-fourth-closing .shared-card:not(:last-child) {
  opacity: 0;
}

.shared-card-stage.is-fourth-expand .shared-card:last-child {
  z-index: 50;
  transform-origin: 100% 100%;
  animation: shared-card-fourth-expand 1100ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.shared-card-stage.is-fourth-closing .shared-card:last-child {
  z-index: 50;
  transform-origin: 100% 100%;
  animation: shared-card-fourth-close 900ms cubic-bezier(0.4, 0, 0.2, 1) both;
}

.display-caption {
  position: absolute;
  bottom: clamp(64px, 8vh, 88px);
  left: 50%;
  width: min(530px, 82vw);
  transform: translateX(-50%);
  text-align: center;
  animation: display-caption-in 620ms cubic-bezier(0.16, 1, 0.3, 1) 2.55s both;
}

.display-screen.is-closing .display-caption {
  animation: display-caption-out 300ms ease-in both;
}

.display-caption > p {
  margin: 0 auto 18px;
  color: rgba(23, 23, 19, 0.7);
  font-size: 14px;
  line-height: 1.5;
}

.marketplace-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 14px;
}

.marketplace-action {
  background: #1b1b18;
  color: #fff;
}

.marketplace-copy {
  position: absolute;
  top: clamp(100px, 14vh, 152px);
  left: clamp(70px, 9vw, 174px);
  z-index: 30;
  width: min(720px, 48vw);
  opacity: 0;
  transform: translateY(54px);
}

.marketplace-screen.is-active .marketplace-copy {
  animation: marketplace-copy-in 950ms cubic-bezier(0.16, 1, 0.3, 1) 140ms both;
}

.marketplace-screen.is-closing .marketplace-copy {
  animation: marketplace-copy-out 360ms ease-in both;
}

.marketplace-copy h2 {
  font-size: clamp(58px, 4.7vw, 90px);
  line-height: 0.94;
}

.marketplace-copy h2 em {
  color: #9b493c;
  font-style: normal;
}

.marketplace-description {
  max-width: 420px;
  margin: 28px 0 20px;
  color: rgba(23, 23, 19, 0.62);
  font-size: 14px;
  line-height: 1.55;
}

.featured-copy {
  position: absolute;
  top: 22.8vh;
  left: clamp(70px, 9vw, 174px);
  z-index: 30;
  width: min(720px, 48vw);
  opacity: 0;
  transform: translateY(42px);
}

.featured-screen.is-active .featured-copy {
  animation: featured-copy-in 850ms cubic-bezier(0.16, 1, 0.3, 1) 430ms both;
}

.marketplace-copy h2,
.featured-copy h2 {
  font-size: clamp(58px, 4.7vw, 90px);
  line-height: 0.94;
}

@keyframes display-heading-in {
  from {
    opacity: 0;
    transform: translate(-50%, -34px) scale(0.97);
  }

  to {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
  }
}

@keyframes display-card-enter {
  0% {
    opacity: 1;
    transform: translate(-50%, calc(-50% + 62vh)) rotate(0deg) scale(1.1);
    animation-timing-function: linear;
  }

  33.333% {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(15deg) scale(1);
    animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  }

  100% {
    opacity: 1;
    transform: translate(calc(-50% + var(--card-x)), calc(-50% + var(--card-y))) rotate(var(--card-rotation)) scale(1);
  }
}

@keyframes display-card-close {
  from {
    opacity: 1;
    transform: translate(calc(-50% + var(--card-x)), calc(-50% + var(--card-y))) rotate(var(--card-rotation)) scale(1);
  }

  to {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg) scale(1);
  }
}

@keyframes display-caption-in {
  from {
    opacity: 0;
    transform: translate(-50%, 20px);
  }

  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

@keyframes display-caption-out {
  from {
    opacity: 1;
    transform: translate(-50%, 0);
  }

  to {
    opacity: 0;
    transform: translate(-50%, 12px);
  }
}

@keyframes marketplace-copy-in {
  from {
    opacity: 0;
    transform: translateY(54px);
  }

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

@keyframes marketplace-copy-out {
  from {
    opacity: 1;
    transform: translateY(0);
  }

  to {
    opacity: 0;
    transform: translateY(-28px);
  }
}

@keyframes shared-card-third-expand {
  from {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg) scale(1);
  }

  to {
    opacity: 1;
    transform: translate(calc(-50% + var(--third-x)), calc(-50% + var(--third-y))) rotate(var(--third-rotation)) scale(1);
  }
}

@keyframes shared-card-third-return {
  from {
    opacity: 1;
    transform: translate(calc(-50% + var(--fourth-x)), calc(-50% + var(--fourth-y))) rotate(0deg) scale(1);
  }

  to {
    opacity: 1;
    transform: translate(calc(-50% + var(--third-x)), calc(-50% + var(--third-y))) rotate(var(--third-rotation)) scale(1);
  }
}

@keyframes shared-card-third-close {
  from {
    opacity: 1;
    transform: translate(calc(-50% + var(--third-x)), calc(-50% + var(--third-y))) rotate(var(--third-rotation)) scale(1);
  }

  to {
    opacity: 1;
    transform: translate(calc(-50% + var(--fourth-x)), calc(-50% + var(--fourth-y))) rotate(0deg) scale(1);
  }
}

@keyframes shared-card-fourth-expand {
  from {
    opacity: 1;
    transform: translate(calc(-50% + var(--fourth-x)), calc(-50% + var(--fourth-y))) rotate(0deg) scale(1);
  }

  to {
    opacity: 1;
    transform: translate(calc(-50% + var(--fourth-x)), calc(-50% + var(--fourth-y))) rotate(0deg) scale(var(--fourth-scale));
  }
}

@keyframes shared-card-fourth-close {
  from {
    opacity: 1;
    transform: translate(calc(-50% + var(--fourth-x)), calc(-50% + var(--fourth-y))) rotate(0deg) scale(var(--fourth-scale));
  }

  to {
    opacity: 1;
    transform: translate(calc(-50% + var(--fourth-x)), calc(-50% + var(--fourth-y))) rotate(0deg) scale(1);
  }
}

@keyframes featured-copy-in {
  from {
    opacity: 0;
    transform: translateY(42px);
  }

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

.site-header {
  position: absolute;
  top: clamp(20px, 2.3vh, 28px);
  left: clamp(24px, 2.5vw, 48px);
  right: clamp(24px, 2.5vw, 48px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand,
.motion-toggle {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 4px;
  background: #1c1c1a;
  color: #fff;
  box-shadow: 0 12px 30px rgba(23, 23, 19, 0.17);
  font-size: 13px;
  font-weight: 550;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand-mark {
  width: 17px;
  height: 11px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  transform: rotate(-8deg);
}

.brand-mark::after {
  display: block;
  width: 5px;
  height: 5px;
  margin: 2px auto;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.motion-toggle {
  cursor: pointer;
  transition: background-color 180ms ease, transform 180ms ease;
}

.motion-toggle:hover {
  background: #31312e;
  transform: translateY(-1px);
}

.motion-toggle:focus-visible {
  outline: 3px solid #7557e8;
  outline-offset: 3px;
}

.toggle-icon {
  width: 12px;
  color: #b9ff5f;
  font-size: 10px;
  text-align: center;
}

.replay-icon {
  font-size: 15px;
  line-height: 1;
}

.hero-copy {
  position: absolute;
  top: clamp(88px, 10.5vh, 114px);
  left: 50%;
  z-index: 210;
  width: min(920px, 90vw);
  transform: translateX(-50%);
  text-align: center;
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 10px;
  color: rgba(23, 23, 19, 0.57);
  font-family: var(--font-geist-mono), monospace;
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-copy h1 {
  margin: 0;
  font-family: var(--font-editorial), Georgia, serif;
  font-size: clamp(54px, 5vw, 96px);
  font-weight: 500;
  line-height: 0.88;
  letter-spacing: -0.045em;
  white-space: nowrap;
}

.corridor {
  position: absolute;
  top: 21.5%;
  left: 0;
  z-index: 10;
  width: 100%;
  height: 55%;
  perspective: 850px;
  perspective-origin: 50% 50%;
  pointer-events: none;
}

.corridor-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 34vw;
  height: 22vw;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.46);
  filter: blur(55px);
  transform: translate(-50%, -50%);
}

.center-aperture {
  --open: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 5;
  width: clamp(210px, 15vw, 288px);
  height: clamp(54px, 5.6vw, 108px);
  border-radius: 8px;
  background: #171715;
  transform: translate(-50%, -50%) scaleX(var(--open));
  transform-origin: center;
  will-change: transform, opacity;
}

.color-card {
  --x: 0px;
  --scale: 0.27;
  --rotate: 0deg;
  --birth: 0;
  --base-shift: -50%;
  --origin-x: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  width: clamp(180px, 12.5vw, 240px);
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border: 0;
  border-radius: 8px;
  background-color: #171715;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  box-shadow: none;
  opacity: 0;
  transform: translate3d(calc(var(--base-shift) + var(--x)), -50%, 0) rotateY(var(--rotate)) scale(var(--scale)) scale(var(--birth));
  transform-origin: var(--origin-x) 50%;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  will-change: transform, opacity;
}

.card-index {
  position: absolute;
  right: 8%;
  bottom: 7%;
  color: rgba(255, 255, 255, 0.75);
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
  letter-spacing: 0.08em;
}

.hero-footnote {
  position: absolute;
  bottom: clamp(28px, 4.8vh, 52px);
  left: 50%;
  z-index: 220;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(520px, 82vw);
  transform: translateX(-50%);
  text-align: center;
  pointer-events: none;
}

.hero-footnote p {
  margin: 0 0 13px;
  font-size: 14px;
  line-height: 1.5;
}

.hero-footnote span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 15px;
  border: 1px solid rgba(23, 23, 19, 0.17);
  border-radius: 999px;
  background: rgba(241, 240, 236, 0.68);
  backdrop-filter: blur(8px);
  color: rgba(23, 23, 19, 0.6);
  font-family: var(--font-geist-mono), monospace;
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@media (max-width: 760px) {
  .hero-shell {
    min-height: 560px;
    background-size: 16px 16px;
  }

  .site-header {
    top: 16px;
    left: 16px;
    right: 16px;
  }

  .brand,
  .motion-toggle {
    min-height: 38px;
    padding: 0 12px;
    font-size: 12px;
  }

  .hero-copy {
    top: 86px;
    width: 92vw;
  }

  .hero-copy h1 {
    font-size: clamp(42px, 12vw, 66px);
    line-height: 0.92;
  }

  .corridor {
    top: 27%;
    height: 54%;
  }

  .color-card {
    width: clamp(140px, 39vw, 210px);
  }

  .hero-footnote {
    bottom: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-scroll {
    scroll-behavior: auto;
  }

  .motion-toggle {
    display: none;
  }
}