/* Copyright (c) Meta Platforms, Inc. and affiliates. */
@font-face {
  font-family: Manrope;
  src: url("media/manrope-latin.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}
:root {
  --ink: #202220;
  --muted: #666b67;
  --paper: #fff;
  --soft: #f5f6f3;
  --line: #dedfd9;
  --accent: #ca4834;
  --green: #235c4b;
  font-family: Manrope, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}
* {
  box-sizing: border-box;
  letter-spacing: 0;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
button,
select {
  font: inherit;
}
button,
a,
select {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: default;
}
img,
video {
  display: block;
  max-width: 100%;
}
button img,
a img {
  flex-shrink: 0;
}
figure,
p,
h1,
h2,
h3 {
  margin: 0;
}
a,
button,
select {
  touch-action: manipulation;
}
a:focus-visible,
button:focus-visible,
select:focus-visible {
  outline: 3px solid #de7456;
  outline-offset: 5px;
}
.sr-only,
.skip-link:not(:focus) {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link:focus {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 30;
  padding: 12px;
  background: #fff;
}
.wrap {
  width: min(1240px, calc(100% - 96px));
  margin-inline: auto;
}
.section {
  padding-block: 96px;
}
.eyebrow {
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.7;
  letter-spacing: 0;
}
.eyebrow.ink {
  color: var(--accent);
}
h2 {
  font-size: 44px;
  font-weight: 650;
  line-height: 1.18;
}
h3 {
  font-size: 23px;
  font-weight: 650;
  line-height: 1.4;
}
.muted {
  color: #979d96;
}
.small-note {
  font-size: 12px !important;
  line-height: 1.7 !important;
  color: var(--muted);
}
.site-header {
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  background: #fff;
  position: relative;
  z-index: 10;
  border-bottom: 1px solid #fff;
}
.wordmark {
  font-size: 25px;
  font-weight: 800;
  text-decoration: none;
  line-height: 1;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
.site-header nav a {
  font-size: 12px;
  font-weight: 650;
  text-decoration: none;
}
.site-header nav a:hover {
  color: var(--accent);
}
.nav-code {
  display: flex;
  align-items: center;
  gap: 6px;
}
.hero {
  height: min(760px, calc(100svh - 130px));
  min-height: 590px;
  position: relative;
  background: #142424;
  color: #fff;
  overflow: hidden;
}
.hero-video {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 47%;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(8, 16, 17, 0.78) 0%,
    rgba(8, 16, 17, 0.6) 34%,
    rgba(8, 16, 17, 0.05) 72%
  );
}
.hero-inner {
  position: relative;
  width: min(1240px, calc(100% - 96px));
  margin: auto;
  padding-top: 60px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.hero h1 {
  font-size: 112px;
  font-weight: 750;
  line-height: 1.05;
  margin: 10px 0 20px;
}
.paper-title {
  font-size: 23px;
  line-height: 1.5;
  max-width: 570px;
  font-weight: 500;
  text-wrap: balance;
}
.authors {
  padding: 0;
  margin: 24px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  max-width: 570px;
  list-style: none;
  font-size: 13px;
  line-height: 1.8;
  font-weight: 500;
}
.paper-links {
  display: flex;
  gap: 10px;
  margin-top: 26px;
  flex-wrap: wrap;
}
.affiliation {
  font-size: 12px;
  line-height: 1.6;
  margin-top: 12px;
  color: #e6ece7;
}
.button {
  height: 43px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 4px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  background: #fff;
  color: var(--ink);
  white-space: nowrap;
}
.button-light {
  border-color: #fff;
}
.button-light:hover {
  background: #e8eee8;
}
.button-outline {
  background: transparent;
  border-color: #ffffff6b;
  color: #fff;
}
.button-outline > img {
  filter: invert(1);
}
.button-outline:hover {
  background: #ffffff1a;
}
.icon-button {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 4px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  background: transparent;
}
.icon-button:hover {
  background: #e8ebe5;
}
.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  gap: 20px;
}
.metrics > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 28px;
  border-left: 1px solid var(--line);
}
.metrics h3 {
  margin: 0 0 4px;
  font-size: 12px;
  font-weight: 700;
}
.speed-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.speed-options > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.speed-options > div > span {
  font-size: 11px;
  line-height: 1.5;
  color: var(--muted);
}
.metrics > div:last-child {
  justify-content: center;
}
.metrics > div:first-child {
  padding-left: 0;
  border-left: 0;
}
.metrics strong {
  font-size: 39px;
  font-weight: 650;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.metrics strong span {
  font-size: 19px;
}
.metrics .training-free {
  font-size: 32px;
}
.metrics > div > span {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
}
.intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 70px;
}
.intro > .eyebrow {
  grid-column: 1/-1;
}
.intro-copy {
  font-size: 15px;
  line-height: 1.9;
  max-width: 560px;
}
.intro-copy p + p {
  margin-top: 18px;
}
.intro-copy strong {
  font-weight: 700;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  align-items: flex-end;
  margin-bottom: 40px;
}
.section-heading .eyebrow {
  margin-bottom: 14px;
}
.section-heading > p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
  flex-shrink: 0;
}
.results-section {
  background: var(--soft);
  border-block: 1px solid var(--line);
}
.wide-figure {
  margin: 0;
  width: 100%;
}
.wide-figure > a {
  display: block;
}
.wide-figure img {
  width: 100%;
  height: auto;
}
.wide-figure figcaption {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.7;
  margin-top: 14px;
}
.wide-figure figcaption a {
  white-space: nowrap;
}
.results-bottom {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 100px;
  margin-top: 48px;
}
.results-bottom p {
  font-size: 14px;
  line-height: 1.8;
  margin-top: 16px;
  max-width: 340px;
}
.table-scroll {
  overflow: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
th,
td {
  padding: 11px 14px;
  text-align: right;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
th:first-child {
  text-align: left;
}
thead th {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  padding-top: 0;
}
tbody th {
  font-weight: 500;
}
.ours {
  color: var(--green);
  background: #e8ede6;
}
.ours th,
.ours td {
  font-weight: 800;
}
.ours th {
  padding-left: 28px;
}
.method-figure {
  padding: 26px 0 34px;
}
.method-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 38px;
  margin-top: 12px;
}
.method-steps article {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.step-number {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
}
.method-steps h3 {
  font-size: 20px;
  margin: 14px 0 12px;
}
.method-steps p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}
.examples-section {
  background: var(--soft);
  border-block: 1px solid var(--line);
}
.gallery-controls {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  flex-wrap: wrap;
  padding: 22px 0;
  border-block: 1px solid var(--line);
}
.segmented {
  display: flex;
  align-items: center;
  padding: 3px;
  border: 1px solid #ccd1c8;
  border-radius: 4px;
  height: 43px;
  margin-right: auto;
}
.segmented button {
  font-size: 12px;
  font-weight: 650;
  background: transparent;
  border: 0;
  height: 35px;
  border-radius: 2px;
  padding: 0 15px;
  white-space: nowrap;
  color: var(--muted);
}
.segmented button[aria-pressed="true"] {
  background: var(--ink);
  color: #fff;
}
.select-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 140px;
}
.select-field label {
  font-size: 10px;
  font-weight: 700;
  color: var(--muted);
}
select {
  height: 43px;
  background: #fff;
  border: 1px solid #c5cbc1;
  border-radius: 4px;
  color: var(--ink);
  padding: 0 30px 0 10px;
  font-size: 12px;
  max-width: 100%;
}
.sample-field {
  width: 185px;
}
.gallery-arrows {
  display: flex;
  gap: 6px;
}
.gallery-arrows button {
  height: 43px;
}
.gallery-arrows button:disabled {
  opacity: 0.35;
  pointer-events: none;
}
.sample-caption {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  align-items: baseline;
  min-height: 92px;
}
.sample-index {
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
  color: var(--accent);
}
.sample-caption p {
  font-size: 17px;
  font-weight: 500;
  line-height: 1.6;
}
.comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}
.comparison figcaption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 650;
  margin-bottom: 12px;
  min-height: 24px;
}
.comparison video {
  width: 100%;
  height: auto;
  aspect-ratio: 832/480;
  object-fit: contain;
  background: #16201d;
  border-radius: 3px;
}
.model-tag {
  font-size: 9px;
  font-weight: 650;
  padding: 4px 7px;
  border: 1px solid #c3cabd;
  border-radius: 2px;
  white-space: nowrap;
}
.model-tag.accent {
  border-color: var(--green);
  color: var(--green);
}
.media-error {
  font-size: 11px;
  color: #a32a1b;
  padding-top: 8px;
}
.i2v-band {
  padding-block: 64px;
  border-bottom: 1px solid var(--line);
}
.i2v-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 20px;
}
.i2v-heading .eyebrow {
  margin-bottom: 8px;
}
.i2v-heading h2 {
  font-size: 32px;
}
.i2v-heading .select-field {
  width: 200px;
}
.i2v-prompt {
  font-size: 14px;
  line-height: 1.6;
  min-height: 44px;
  margin-bottom: 12px;
}
.i2v-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.i2v-grid figure {
  min-width: 0;
}
.i2v-grid figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 28px;
  margin-bottom: 10px;
  font-size: 11px;
  font-weight: 650;
  line-height: 1.5;
}
.i2v-grid img,
.i2v-grid video {
  width: 100%;
  height: auto;
  aspect-ratio: 832 / 480;
  object-fit: contain;
  border-radius: 3px;
  background: var(--soft);
}
.i2v-note {
  margin-top: 16px;
}
.citation-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 80px;
}
.citation-section .eyebrow {
  margin-bottom: 14px;
}
.citation-content {
  border-top: 1px solid var(--line);
  padding: 25px 0;
  color: var(--muted);
  font-size: 13px;
}
.citation-content pre {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  line-height: 1.7;
}
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 32px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}
.site-footer p,
.site-footer > div {
  font-size: 11px;
  color: var(--muted);
}
.site-footer > div {
  display: flex;
  gap: 24px;
}
[hidden] {
  display: none !important;
}
@media (min-width: 1800px) {
  .hero-video {
    object-position: center 50%;
  }
  .hero-inner {
    padding-top: 90px;
  }
}
@media (max-width: 1100px) {
  .wrap,
  .hero-inner {
    width: calc(100% - 64px);
  }
  .site-header {
    padding-inline: 32px;
  }
  .hero-inner {
    padding-top: 48px;
  }
  .speed-options {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .hero h1 {
    font-size: 100px;
  }
  .hero-shade {
    background: linear-gradient(
      90deg,
      rgba(8, 16, 17, 0.82),
      rgba(8, 16, 17, 0.5) 50%,
      rgba(8, 16, 17, 0.08)
    );
  }
  .results-bottom {
    gap: 50px;
  }
  .section-heading h2 {
    font-size: 38px;
  }
  .comparison {
    grid-template-columns: 1fr 1fr;
  }
  .sample-field {
    width: 160px;
  }
  .gallery-controls {
    gap: 12px;
  }
  .segmented {
    margin-right: 0;
  }
  .select-field {
    min-width: 125px;
  }
  .metrics strong {
    font-size: 34px;
  }
  .metrics > div {
    padding-left: 20px;
  }
}
@media (max-width: 760px) {
  .wrap,
  .hero-inner {
    width: calc(100% - 40px);
  }
  .section {
    padding-block: 64px;
  }
  .site-header {
    height: 60px;
    padding-inline: 20px;
  }
  .site-header nav {
    gap: 18px;
  }
  .site-header nav a {
    font-size: 11px;
  }
  .wordmark {
    font-size: 23px;
  }
  .hero {
    height: calc(100svh - 114px);
    min-height: 540px;
    max-height: 730px;
  }
  .hero-inner {
    padding-top: 35px;
  }
  .hero h1 {
    font-size: 86px;
    margin-top: 10px;
    margin-bottom: 16px;
  }
  .paper-title {
    font-size: 20px;
    max-width: 450px;
  }
  .authors {
    font-size: 12px;
    gap: 5px 15px;
    margin-top: 20px;
    max-width: 440px;
  }
  .hero-shade {
    background: linear-gradient(
      90deg,
      rgba(8, 16, 17, 0.82),
      rgba(8, 16, 17, 0.55) 64%,
      rgba(8, 16, 17, 0.3)
    );
  }
  .hero-video {
    object-position: var(--hero-mobile-position, 60% center);
  }
  .paper-links {
    margin-top: 22px;
  }
  .metrics {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding-block: 26px;
  }
  .metrics > div:nth-child(3) {
    grid-column: 1 / -1;
    border-left: 0;
    padding-left: 0;
  }
  .metrics strong {
    font-size: 35px;
  }
  .metrics > div > span {
    font-size: 10px;
  }
  .intro {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .intro h2 {
    font-size: 42px;
  }
  .intro-copy {
    font-size: 14px;
    margin-top: 5px;
    max-width: none;
  }
  .section-heading {
    display: block;
    margin-bottom: 30px;
  }
  .section-heading h2 {
    font-size: 34px;
  }
  .section-heading > p {
    font-size: 12px;
    margin-top: 18px;
  }
  .section-heading br {
    display: none;
  }
  .wide-figure figcaption {
    display: block;
  }
  .wide-figure figcaption a {
    display: block;
    margin-top: 8px;
  }
  .results-bottom {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-top: 30px;
  }
  .results-bottom p {
    max-width: none;
  }
  .results-bottom h3 br {
    display: none;
  }
  .method-steps {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .method-steps article {
    display: grid;
    grid-template-columns: 30px 1fr;
    gap: 5px 12px;
  }
  .method-steps h3 {
    margin: 0;
    font-size: 19px;
  }
  .method-steps p {
    grid-column: 2;
  }
  .step-number {
    padding-top: 5px;
  }
  .method-figure {
    padding: 0 0 24px;
  }
  .gallery-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .segmented {
    grid-column: 1/-1;
    justify-self: start;
  }
  .select-field,
  .sample-field {
    width: 100%;
    min-width: 0;
  }
  .gallery-arrows {
    grid-column: 1/-1;
    justify-content: flex-end;
  }
  .sample-caption {
    padding-block: 20px;
    gap: 12px;
    min-height: 90px;
  }
  .sample-caption p {
    font-size: 15px;
  }
  .comparison {
    gap: 20px 12px;
  }
  .comparison figcaption {
    font-size: 10px;
    flex-wrap: wrap;
    min-height: 36px;
    align-content: flex-end;
  }
  .model-tag {
    font-size: 8px;
    padding: 3px 5px;
  }
  .i2v-heading {
    align-items: start;
    flex-direction: column;
    gap: 18px;
  }
  .i2v-heading .select-field {
    width: 100%;
  }
  .i2v-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 12px;
  }
  .i2v-reference {
    grid-column: 1 / -1;
    width: min(100%, 320px);
    justify-self: center;
  }
  .i2v-grid figcaption {
    flex-wrap: wrap;
    min-height: 44px;
  }
  .citation-section {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .citation-section h2 {
    font-size: 36px;
  }
  .site-footer {
    flex-wrap: wrap;
    gap: 20px;
  }
  .site-footer p {
    order: 3;
    flex-basis: 100%;
  }
  .site-footer > div {
    margin-left: auto;
  }
}
@media (max-width: 420px) {
  .site-header nav {
    gap: 12px;
  }
  .site-header nav a {
    font-size: 10px;
  }
  .hero {
    min-height: 520px;
  }
  .hero h1 {
    font-size: 74px;
  }
  .hero-inner {
    padding-top: 28px;
  }
  .paper-title {
    font-size: 18px;
    line-height: 1.5;
  }
  .authors {
    font-size: 11px;
    line-height: 1.8;
    gap: 5px 13px;
  }
  .hero .eyebrow {
    font-size: 10px;
  }
  .paper-links .button {
    height: 40px;
    padding-inline: 12px;
    font-size: 11px;
  }
  .comparison {
    grid-template-columns: 1fr;
  }
  .comparison figcaption {
    min-height: 24px;
    flex-wrap: nowrap;
    font-size: 11px;
  }
  .i2v-grid {
    grid-template-columns: 1fr;
  }
  .i2v-reference {
    width: min(100%, 240px);
  }
  .i2v-grid figcaption {
    min-height: 28px;
    flex-wrap: nowrap;
  }
}
@media (max-width: 420px) and (max-height: 700px) {
  .hero {
    min-height: 460px;
  }
  .hero-inner {
    padding-top: 20px;
  }
  .hero h1 {
    font-size: 64px;
    margin-bottom: 12px;
  }
  .authors {
    margin-top: 13px;
    font-size: 10px;
    gap: 3px 12px;
  }
  .paper-title {
    font-size: 16px;
  }
  .paper-links {
    margin-top: 16px;
  }
}
.muted {
  color: #7d857c;
}
@media (max-width: 360px) {
  .site-header .wordmark {
    font-size: 21px;
  }
  .site-header nav {
    gap: 10px;
  }
  .site-header {
    gap: 14px;
  }
  .site-header nav a {
    font-size: 9px;
  }
}
@media (prefers-reduced-motion: reduce) {
  :root {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}