:root {
  color-scheme: light;
  --paper: #f6f6f2;
  --ink: #050505;
  --accent: #b84f00;
  --muted: #62625d;
  --line: #c6c6bf;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 30px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}
a {
  color: inherit;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}
a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 6px;
}
::selection {
  background: var(--accent);
  color: var(--paper);
}
.wrap {
  width: min(1360px, calc(100% - 96px));
  margin-inline: auto;
}
.skip {
  position: absolute;
  left: 20px;
  top: -80px;
  padding: 12px;
  background: var(--paper);
  z-index: 5;
}
.skip:focus {
  top: 10px;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  min-height: 108px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 25px;
  letter-spacing: -1px;
  font-weight: 750;
}
.brand span {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0;
  margin-left: 12px;
  border-left: 1px solid var(--line);
  padding-left: 20px;
}
nav {
  display: flex;
  gap: 30px;
  align-items: center;
  font-size: 13px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: var(--ink);
  color: var(--paper);
  padding: 17px 25px;
  border-radius: 40px;
  font-size: 14px;
}
.button:hover {
  background: var(--accent);
  color: var(--paper);
  text-decoration: none;
}
.button.small {
  padding: 12px 20px;
}
.eyebrow,
.section-label,
.tag,
.platforms,
.receipt figcaption,
figcaption,
.step-no {
  font-family: monospace;
  font-size: 11px;
  letter-spacing: 1px;
}
.eyebrow {
  display: flex;
  gap: 10px;
  align-items: center;
}
.dot {
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
}
.alpha {
  margin-left: 14px;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 3px 9px;
  color: var(--muted);
  font-size: 9px;
}
h1 {
  font-size: clamp(56px, 6.5vw, 96px);
  line-height: 1.01;
  letter-spacing: -0.075em;
  margin: 16px 0 30px;
  font-weight: 500;
}
h1 em {
  font-style: normal;
  color: var(--accent);
}
.intro {
  font-size: 18px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 470px;
}
.actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 30px;
}
.text-link {
  font-size: 13px;
  border-bottom: 1px solid currentColor;
  padding-bottom: 5px;
}
.platforms {
  display: flex;
  gap: 25px;
  align-items: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 23px 0;
  letter-spacing: 0;
}
.platforms > span {
  font-size: 9px;
  color: var(--muted);
  margin-right: 16px;
}
.platforms strong {
  font-family: Arial, sans-serif;
  font-size: 17px;
  letter-spacing: -0.5px;
}
.platforms b {
  font-weight: 400;
  color: #aaa;
}
.platforms a {
  margin-left: auto;
  font-size: 10px;
}
.workflow {
  padding-block: 84px;
}
.section-label {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 10px;
}
.section-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
  margin: 30px 0 50px;
}
h2 {
  font-size: clamp(36px, 4vw, 57px);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.055em;
  margin: 0;
}
.section-intro p,
.access p {
  max-width: 470px;
  color: var(--muted);
  font-size: 16px;
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ink);
}
.steps article {
  padding: 25px 25px 0 0;
}
.steps article + article {
  border-left: 1px solid var(--line);
  padding-left: 25px;
}
.step-no {
  color: var(--accent);
}
h3 {
  font-size: 23px;
  font-weight: 500;
  letter-spacing: -0.7px;
  margin: 25px 0 12px;
}
.steps p {
  color: var(--muted);
  font-size: 14px;
  min-height: 105px;
}
.tag {
  font-size: 9px;
  letter-spacing: 0.4px;
}
.evidence {
  background: #111413;
  color: #f6f6f2;
  padding: 80px 0;
}
.evidence-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 85px;
  align-items: center;
}
.evidence .eyebrow {
  color: #b8c1b8;
  margin-bottom: 30px;
}
.evidence h2 span {
  color: #ffa451;
}
.evidence p:not(.eyebrow) {
  color: #b9c0ba;
  max-width: 470px;
  font-size: 15px;
}
.evidence .text-link {
  display: inline-block;
  margin-top: 18px;
}
.receipt {
  margin: 0;
  border: 1px solid #48504a;
  border-radius: 10px;
  padding: 25px 28px;
  background: #1a1f1b;
}
.receipt figcaption {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  color: #bec7bf;
  margin-bottom: 25px;
}
.receipt > div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 23px 0;
  border-top: 1px solid #384139;
  font-size: 13px;
}
.receipt strong {
  font-weight: 400;
}
.receipt i {
  font-style: normal;
  color: #b7dab1;
  margin-left: 12px;
}
.receipt .pending {
  color: #e5d0a0;
}
.receipt > p {
  font-size: 10px !important;
  margin: 12px 0 0;
}
.access {
  padding-block: 80px;
}
.access-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 100px;
  margin-top: 45px;
}
.access .button {
  margin-top: 20px;
}
.access .note {
  font-size: 11px;
  margin-top: 20px;
}
aside {
  border-left: 1px solid var(--line);
  padding-left: 55px;
}
aside h3 {
  font-size: 47px;
  line-height: 1;
  letter-spacing: -2px;
  margin: 25px 0;
}
aside .blue {
  color: var(--accent);
  margin-left: 12px;
}
footer {
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 30px;
  padding-block: 28px;
  font-size: 11px;
  color: var(--muted);
}
footer .brand {
  color: var(--ink);
  font-size: 20px;
}
footer > span {
  margin-right: auto;
}
@media (max-width: 1000px) {
  .wrap {
    width: calc(100% - 48px);
  }
  .brand span {
    display: none;
  }
  .platforms {
    gap: 16px;
    flex-wrap: wrap;
  }
  .platforms a {
    margin-left: 0;
  }
  .platforms > span {
    width: 100%;
  }
  .steps p {
    min-height: 140px;
  }
  .evidence-grid,
  .access-grid {
    gap: 40px;
  }
  .receipt {
    padding: 20px;
  }
  .receipt > div {
    font-size: 11px;
  }
  aside {
    padding-left: 30px;
  }
}
@media (max-width: 650px) {
  .wrap {
    width: calc(100% - 40px);
  }
  header {
    min-height: 85px;
    gap: 12px;
  }
  nav {
    gap: 15px;
  }
  nav > a:first-child {
    display: none;
  }
  .button.small {
    padding: 11px 14px;
    gap: 12px;
    font-size: 11px;
  }
  .brand {
    font-size: 22px;
  }
  h1 {
    font-size: 59px;
    letter-spacing: -4px;
  }
  .intro {
    font-size: 16px;
  }
  .actions {
    gap: 22px;
  }
  .button {
    font-size: 12px;
    padding: 15px 20px;
    gap: 20px;
  }
  .platforms {
    gap: 15px;
    padding-block: 20px;
  }
  .platforms strong {
    font-size: 16px;
  }
  .platforms a {
    width: 100%;
    font-size: 10px;
  }
  .section-label {
    font-size: 9px;
    gap: 20px;
  }
  .section-label span + span {
    max-width: 120px;
    text-align: right;
  }
  .workflow,
  .access {
    padding-block: 55px;
  }
  .section-intro,
  .evidence-grid,
  .access-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .section-intro {
    margin-bottom: 30px;
  }
  h2 {
    font-size: 39px;
  }
  .steps {
    grid-template-columns: 1fr 1fr;
    row-gap: 28px;
  }
  .steps article {
    padding-right: 18px;
  }
  .steps article + article {
    padding-left: 18px;
  }
  .steps article:nth-child(3) {
    border-left: 0;
    padding-left: 0;
  }
  .steps h3 {
    font-size: 21px;
  }
  .steps p {
    min-height: 125px;
    font-size: 13px;
  }
  .evidence {
    padding-block: 55px;
  }
  .receipt {
    margin-top: 10px;
  }
  .receipt > div {
    font-size: 12px;
  }
  .access-grid {
    margin-top: 30px;
    gap: 40px;
  }
  aside {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 35px 0 0;
  }
  aside h3 {
    font-size: 42px;
  }
  footer {
    flex-wrap: wrap;
    gap: 18px;
  }
  footer > span {
    font-size: 10px;
    max-width: 210px;
    margin-right: 0;
  }
  footer > a:not(.brand) {
    font-size: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* A Blender-authored camera and scene, scrubbed by native page scrolling. */
.duck-story {
  --story-progress: 0;
  position: relative;
}
.story-sticky {
  min-height: 760px;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  align-items: center;
  gap: 22px;
  padding-block: 30px;
}
.story-ready {
  height: 420vh;
}
.story-ready .story-sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  min-height: 650px;
  max-height: 1100px;
}
.story-copy {
  position: relative;
  z-index: 2;
  padding-block: 20px;
}
.story-chapters {
  display: grid;
  margin-top: 30px;
}
.story-chapter {
  grid-area: 1 / 1;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s;
  pointer-events: none;
}
.story-chapter.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.story-chapter h1,
.story-chapter h2 {
  font-size: clamp(52px, 5.9vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.065em;
  font-weight: 500;
  margin: 15px 0 28px;
}
.story-chapter em {
  font-style: normal;
  color: var(--accent);
}
.story-chapter .intro {
  max-width: 430px;
  min-height: 94px;
}
.story-progress {
  display: none;
  gap: 12px;
  align-items: center;
  margin-top: 54px;
  font: 9px monospace;
  letter-spacing: 0.6px;
  color: var(--muted);
}
.story-ready .story-progress {
  display: flex;
}
.story-line {
  width: 65px;
  height: 1px;
  background: var(--line);
}
.story-line > span {
  display: block;
  height: 1px;
  background: var(--accent);
  transform: scaleX(var(--story-progress));
  transform-origin: left;
}
.duck-stage {
  position: relative;
  width: 100%;
  height: min(76svh, 800px);
  min-height: 470px;
  margin: 0;
  overflow: hidden;
  border-radius: 16px;
  background: var(--paper);
}
.duck-stage canvas,
.story-poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.story-poster {
  object-fit: contain;
  padding: 25%;
}
.story-fallback .story-poster {
  transform: none;
  object-fit: cover;
  padding: 0;
}
.duck-stage canvas {
  opacity: 0;
  transition: opacity 0.35s;
}
.story-ready .duck-stage canvas {
  opacity: 1;
}
.story-ready .story-poster {
  opacity: 0;
}
.duck-stage figcaption {
  position: absolute;
  bottom: 15px;
  left: 18px;
  right: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font: 9px monospace;
  letter-spacing: 0.6px;
}
.motion-toggle {
  padding: 7px 10px;
  border: 1px solid #a4aaa1;
  background: var(--paper);
  border-radius: 20px;
  color: var(--ink);
  font:
    10px Arial,
    sans-serif;
  cursor: pointer;
}
.motion-toggle:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}
@media (max-width: 1000px) {
  .story-sticky {
    gap: 12px;
  }
  .story-chapter h1,
  .story-chapter h2 {
    font-size: 58px;
  }
  .story-hint {
    font-size: 8px;
  }
  .story-copy .actions {
    gap: 14px;
  }
}
@media (max-width: 850px) {
  .story-sticky {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    min-height: 0;
    padding-top: 20px;
    padding-bottom: 10px;
  }
  .story-ready .story-sticky {
    height: 100svh;
    min-height: 610px;
  }
  .story-ready {
    height: 440svh;
  }
  .story-copy {
    padding: 0;
  }
  .story-chapters {
    margin-top: 10px;
  }
  .story-chapter h1,
  .story-chapter h2 {
    font-size: clamp(37px, 10.3vw, 48px);
    letter-spacing: -0.055em;
    margin: 10px 0 12px;
  }
  .story-chapter .intro {
    font-size: 14px;
    line-height: 1.5;
    min-height: 64px;
    margin: 0;
    max-width: 360px;
  }
  .story-copy .actions {
    margin-top: 14px;
    gap: 18px;
  }
  .story-copy .text-link {
    font-size: 11px;
  }
  .story-progress {
    margin-top: 18px;
    font-size: 8px;
  }
  .duck-stage {
    flex: 1;
    height: 390px;
    min-height: 290px;
    margin-top: 10px;
    border-radius: 10px;
  }
  .duck-stage figcaption {
    bottom: 10px;
    left: 10px;
    right: 10px;
    font-size: 8px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .story-chapter,
  .duck-stage canvas {
    transition: none;
  }
}
@media (max-width: 360px) {
  nav > a:not(.button) {
    display: none;
  }
  .story-copy .eyebrow {
    font-size: 9px;
    letter-spacing: 0.4px;
    gap: 7px;
  }
  .story-copy .alpha {
    margin-left: 0;
    white-space: nowrap;
    font-size: 8px;
  }
  .story-copy .actions {
    gap: 12px;
  }
  .story-copy .button {
    padding: 13px 15px;
    gap: 12px;
    font-size: 11px;
    white-space: nowrap;
  }
  .story-copy .text-link {
    font-size: 10px;
    white-space: nowrap;
  }
}

.model-credit {
  margin-block: 0 24px;
  color: var(--muted);
  font-size: 10px;
}
.model-credit a { text-decoration: underline; }

:root[data-theme="night"] {
  color-scheme: dark;
  --paper: #101917;
  --ink: #f5eee0;
  --accent: #ffa451;
  --muted: #aab9ad;
  --line: #354a40;
}
.theme-toggle {
  flex-shrink: 0;
  min-height: 44px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}
.theme-toggle:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}
.theme-toggle:hover { border-color: var(--accent); }
@media (max-width: 650px) {
  header nav { gap: 8px; }
  header nav > a:not(.button) { display: none; }
  .theme-toggle { padding: 8px 10px; font-size: 12px; }
}
@media (max-width: 380px) {
  header .button.small { display: none; }
}

/* Keep the longer product explanation readable. */
.workflow .steps {
  grid-template-columns: repeat(2, 1fr);
  row-gap: 28px;
}
.workflow .steps article:nth-child(odd) { border-left: 0; padding-left: 0; }
@media (max-width: 650px) {
  .workflow .steps { grid-template-columns: 1fr; }
  .workflow .steps article { border-left: 0; padding-inline: 0; }
}
