:root {
  color-scheme:light;
  --paper:#faf9f6;
  --ink:#252622;
  --muted:#757770;
  --line:#ddded7;
  --accent:#bc3f5a;
  --font:-apple-system,BlinkMacSystemFont,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif
}
* {
  box-sizing:border-box
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:100px
}
body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font);
  -webkit-font-smoothing:antialiased;
  line-height:1.6
}
h1,h2,h3,p,figure {
  margin:0
}
a {
  color:inherit;
  text-decoration:none
}
button {
  font:inherit;
  color:inherit;
  cursor:pointer
}
a,button {
  -webkit-tap-highlight-color:transparent
}
button,a {
  touch-action:manipulation
}
button:disabled {
  cursor:default
}
img,video {
  display:block;
  max-width:100%
}
button {
  border:0
}
a:focus-visible,button:focus-visible,summary:focus-visible {
  outline:3px solid var(--accent);
  outline-offset:5px
}
[hidden] {
  display:none!important
}
.shell {
  width:min(1184px,calc(100% - 96px));
  margin-inline:auto
}
.muted {
  color:var(--muted)
}
.centered {
  text-align:center
}
.eyebrow {
  font-size:11px;
  font-weight:650;
  letter-spacing:.15em;
  line-height:1.6
}
.eyebrow span {
  letter-spacing:.08em
}
.skip-link {
  position:fixed;
  top:-80px;
  left:20px;
  background:white;
  padding:12px;
  z-index:100
}
.skip-link:focus {
  top:12px
}
.site-nav {
  position:sticky;
  top:0;
  z-index:30;
  background:rgba(250,249,246,.94);
  border-bottom:1px solid rgba(37,38,34,.1);
  backdrop-filter:blur(18px)
}
.nav-inner {
  height:72px;
  display:flex;
  align-items:center;
  gap:32px
}
.brand {
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:650;
  letter-spacing:-.04em;
  font-size:17px;
  white-space:nowrap
}
.brand img {
  border-radius:8px
}
.site-nav nav {
  display:flex;
  gap:26px;
  margin-left:auto;
  font-size:12px
}
.site-nav nav a {
  color:#666960
}
.site-nav nav a:hover {
  color:var(--ink)
}
.nav-actions {
  display:flex;
  gap:18px;
  align-items:center
}
.nav-actions button {
  background:none;
  min-height:44px;
  min-width:32px;
  font-size:12px
}
.menu-toggle {
  display:none
}
.button {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  min-height:48px;
  background:var(--ink);
  color:#fff;
  border-radius:40px;
  padding:12px 25px;
  font-size:14px;
  font-weight:550;
  transition:background .18s,transform .18s
}
.button:hover {
  background:#494c44
}
.button:active {
  transform:scale(.97)
}
.button--small {
  font-size:12px;
  min-height:36px;
  padding:8px 16px
}
.text-link {
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  font-weight:550
}
.text-link:hover {
  text-decoration:underline;
  text-underline-offset:5px
}
.hero {
  padding-top:82px
}
.hero>.eyebrow {
  margin-bottom:24px;
  color:var(--accent)
}
.hero h1 {
  font-size:clamp(46px,5.4vw,78px);
  line-height:1.16;
  letter-spacing:-.065em;
  font-weight:650
}
.hero-intro {
  max-width:610px;
  margin-top:28px;
  font-size:17px;
  line-height:1.9;
  color:#666960;
  text-wrap:pretty
}
.hero-actions {
  display:flex;
  gap:30px;
  align-items:center;
  margin-top:28px
}
.platform-line {
  font-size:11px;
  margin-top:21px;
  display:flex;
  align-items:center;
  gap:11px;
  color:var(--muted)
}
.platform-line b,.badge {
  font-size:10px;
  font-weight:500;
  display:inline-block;
  border:1px solid #c9ccc2;
  border-radius:20px;
  padding:2px 8px;
  white-space:nowrap;
  vertical-align:middle
}
.hero-media {
  margin-top:52px
}
.hero-media .media-slot {
  background:#eeece6
}
/* Large films end at the image edge; metadata sits below, outside the frame. */
.media-slot.media-slot--hero {
  background: transparent;
  border: 0;
  border-radius: 0;
  overflow: visible;
}
.media-slot--hero > .media-viewport,
.media-slot--hero > .media-image {
  border-radius: 36px;
  overflow: hidden;
}
.media-slot--hero > .media-caption {
  background: transparent;
  padding: 14px 4px 0;
}
.hero-media video,.hero-media .media-image {
  width:100%;
  aspect-ratio:3024/2170;
  object-fit:contain;
  background:#141511
}
.hero-foot {
  display:flex;
  justify-content:space-between;
  gap:20px;
  padding:24px 0 0;
  color:var(--muted);
  font-size:12px
}
.hero-foot>span {
  font-size:9px;
  letter-spacing:.13em
}
.section {
  padding-block:112px
}
.section-heading {
  margin-bottom:48px
}
.section-heading>.eyebrow {
  margin-bottom:26px;
  color:var(--muted)
}
h2 {
  font-size:clamp(32px,3.8vw,51px);
  line-height:1.25;
  letter-spacing:-.055em;
  font-weight:600;
  text-wrap:balance
}
.lede {
  font-size:17px;
  color:#6e7168;
  line-height:1.85;
  max-width:650px;
  margin-top:24px;
  text-wrap:pretty
}
.experience-feature {
  display:grid;
  grid-template-columns: .8fr 1.2fr;
  gap:60px;
  align-items:center;
  margin-block:64px
}
.feature-copy h3 {
  font-size:31px;
  line-height:1.4;
  letter-spacing:-.04em;
  margin:20px 0
}
.feature-copy>p:not(.eyebrow) {
  font-size:15px;
  line-height:1.9;
  color:#6e7168;
  max-width:350px
}
.feature-copy .text-link {
  margin-top:28px
}
.media-slot {
  position:relative;
  background:#eeeee8;
  border:1px solid rgba(37,38,34,.07);
  border-radius:12px;
  overflow:hidden;
  min-width:0
}
.media-placeholder {
  aspect-ratio:16/10;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:24px;
  text-align:center;
  color:#7c8075;
  background:linear-gradient(145deg,#f0f0e9,#e8e9e2)
}
.placeholder-mark {
  font-size:28px;
  font-weight:200;
  color:#a8ad9f;
  margin-bottom:16px
}
.media-placeholder p {
  font-size:14px
}
.media-placeholder small {
  font-size:10px;
  margin-top:8px;
  letter-spacing:.04em
}
.media-caption {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:12px 16px;
  font-size:11px;
  color:#6e7168;
  background:var(--paper)
}
.media-slot video,.media-image {
  width:100%;
  aspect-ratio:16/10;
  object-fit:contain;
  background:#1b1c18
}
.media-caption button {
  background:#e6e8de;
  border-radius:20px;
  padding:5px 13px;
  min-height:34px;
  white-space:nowrap;
  font-size:11px
}
.detail-row {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:40px;
  padding-top:40px;
  border-top:1px solid var(--line)
}
.detail-number {
  font-size:11px;
  color:#888c80
}
.detail-row h3,.source-notes h3,.steps h3 {
  font-size:19px;
  letter-spacing:-.03em;
  font-weight:600;
  margin:18px 0 12px
}
.detail-row p,.source-notes p,.steps p {
  font-size:14px;
  color:#6e7168;
  line-height:1.9
}
.workflow {
  background:#efefe9
}
.steps {
  list-style:none;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  padding:0;
  margin:0 0 48px;
  gap:44px
}
.step-number {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid #c1c5b7;
  border-radius:50%;
  width:32px;
  height:32px;
  font-size:12px
}
.source-notes {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:70px;
  margin:40px 0
}
.disclosure {
  border-top:1px solid #d5d8ce;
  border-bottom:1px solid #d5d8ce;
  text-align:left;
  font-size:13px
}
.disclosure summary {
  padding:22px 0;
  cursor:pointer;
  list-style:none;
  display:flex;
  justify-content:space-between;
  gap:24px;
  font-weight:550
}
.disclosure summary::-webkit-details-marker {
  display:none
}
.disclosure summary>span:last-child {
  font-size:17px;
  transition:transform .2s
}
.disclosure[open] summary>span:last-child {
  transform:rotate(45deg)
}
.disclosure>div {
  padding-bottom:24px;
  max-width:850px;
  color:#6e7168;
  line-height:1.9
}
.disclosure ol {
  padding-left:22px;
  margin:0
}
.disclosure li+li {
  margin-top:9px
}
.classic .section-heading {
  max-width:740px
}
.fine-print {
  font-size:12px;
  color:var(--muted);
  margin-top:22px
}
.platforms {
  background:#f0f0eb
}
.platform-showcase {
  display:grid;
  grid-template-columns:1.3fr .7fr;
  gap:72px;
  align-items:start
}
.platform-label {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:16px;
  margin-bottom:38px
}
.platform-label h3 {
  font-size:17px;
  font-weight:550;
  letter-spacing:-.03em
}
.platform-label>span {
  font-size:11px;
  color:var(--muted)
}
.media-slot--portrait {
  max-width:320px;
  margin-inline:auto;
  border-radius:28px;
  border:7px solid #dadcd3
}
.media-slot--portrait .media-placeholder,.media-slot--portrait video,.media-slot--portrait .media-image {
  aspect-ratio:9/16
}
.android-showcase {
  padding-top:54px
}
.android-showcase .platform-label {
  margin-bottom:20px
}
.android-copy {
  font-size:14px;
  color:var(--muted);
  line-height:1.9
}
.download {
  text-align:center
}
.download-icon {
  margin:0 auto 22px;
  border-radius:18px
}
.download>.eyebrow {
  color:var(--muted);
  margin-bottom:18px
}
.download>.lede {
  margin:20px auto 0
}
.release-label {
  font-size:11px;
  color:var(--muted);
  margin-top:16px
}
.release-label strong {
  font-weight:500
}
.download-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin:46px 0 32px
}
.download-card {
  padding:32px 20px;
  background:#f0f0eb;
  border:1px solid #e3e5dd;
  border-radius:16px;
  display:flex;
  align-items:center;
  flex-direction:column
}
.platform-symbol {
  font-size:33px;
  line-height:1.2;
  height:48px;
  color:#777c6d
}
.download-card h3 {
  font-size:22px;
  font-weight:550
}
.requirement {
  font-size:12px;
  color:var(--muted);
  margin:12px 0 24px;
  min-height:40px
}
.download-card .button {
  font-size:12px;
  min-width:185px;
  max-width:100%;
  padding-inline:18px
}
.alternate-downloads {
  display:flex;
  gap:10px;
  justify-content:center;
  font-size:10px;
  margin-top:17px
}
.alternate-downloads a:hover,.small-link:hover {
  text-decoration:underline
}
.small-link {
  font-size:11px;
  margin-top:18px
}
.pending-download {
  font-size:12px;
  background:#e2e5da;
  color:#686e5e;
  padding:14px 20px;
  border-radius:30px;
  min-height:48px
}
.release-history {
  margin-top:32px;
  font-size:12px
}
.engineering {
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding-block:46px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px
}
.engineering .eyebrow {
  font-size:10px;
  color:var(--muted);
  margin-bottom:16px
}
.engineering h2 {
  font-size:27px
}
.engineering p:last-child {
  font-size:13px;
  color:var(--muted);
  margin-top:12px
}
.circle-link {
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid #c7cbbf;
  width:56px;
  height:56px;
  font-size:24px;
  flex-shrink:0
}
.circle-link:hover {
  background:#eaece4
}
.footer {
  display:flex;
  align-items:center;
  gap:24px;
  justify-content:space-between;
  padding-block:36px
}
.footer .brand {
  font-size:13px
}
.footer p,.footer>a:last-child {
  font-size:10px;
  color:var(--muted)
}
dialog {
  width:min(1100px,calc(100% - 32px));
  max-height:90dvh;
  overflow:auto;
  background:var(--paper);
  color:var(--ink);
  border:0;
  border-radius:16px;
  padding:20px
}
dialog::backdrop {
  background:#171b16b8;
  backdrop-filter:blur(9px)
}
.dialog-head {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  margin-bottom:16px
}
.dialog-head h2 {
  font-size:18px
}
.dialog-head button {
  font-size:25px;
  background:none;
  width:44px;
  height:44px
}
#demoContent video {
  width:100%;
  max-height:70dvh;
  background:#111
}
#demoContent p {
  font-size:12px;
  padding-top:12px;
  color:var(--muted)
}
@media(min-width:1500px) {
  .hero {
    padding-top:100px
  }
  .hero-media {
    margin-top:64px
  }
}
@media(max-width:1000px) {
  .shell {
    width:calc(100% - 64px)
  }
  .nav-inner {
    gap:16px
  }
  .site-nav nav {
    gap:16px
  }
  .nav-actions {
    gap:10px
  }
  .experience-feature {
    gap:36px
  }
  .platform-showcase {
    gap:40px
  }
  .download-card .button {
    min-width:0
  }
  .download-grid {
    gap:12px
  }
  .hero h1 {
    font-size:64px
  }
}
@media(max-width:780px) {
  html {
    scroll-padding-top:88px
  }
  .shell {
    width:calc(100% - 40px)
  }
  .nav-inner {
    height:64px
  }
  .brand {
    font-size:15px
  }
  .brand img {
    width:26px;
    height:26px
  }
  .nav-actions {
    margin-left:auto;
    gap:10px
  }
  .menu-toggle {
    display:block
  }
  .site-nav nav {
    display:none;
    position:absolute;
    left:0;
    right:0;
    top:64px;
    background:var(--paper);
    padding:20px 24px 28px;
    border-bottom:1px solid var(--line);
    font-size:15px
  }
  .site-nav.is-open nav {
    display:flex;
    flex-direction:column;
    gap:0
  }
  .site-nav nav a {
    padding:12px 0
  }
  .hero {
    padding-top:56px
  }
  .hero h1 {
    font-size:clamp(40px,8.8vw,62px)
  }
  .hero-intro {
    font-size:15px;
    max-width:510px
  }
  .hero-media {
    margin-top:36px
  }
  .hero-foot>span {
    display:none
  }
  .hero-foot {
    font-size:11px;
    padding-top:16px
  }
  .section {
    padding-block:76px
  }
  h2 {
    font-size:35px
  }
  .lede {
    font-size:15px
  }
  .section-heading {
    margin-bottom:36px
  }
  .experience-feature {
    grid-template-columns:1fr;
    gap:28px;
    margin-block:36px
  }
  .feature-copy>p:not(.eyebrow) {
    max-width:520px
  }
  .feature-copy h3 {
    font-size:27px
  }
  .feature-copy .text-link {
    margin-top:20px
  }
  .detail-row {
    gap:22px
  }
  .detail-row h3 {
    font-size:16px
  }
  .detail-row p {
    font-size:12px
  }
  .steps {
    gap:24px
  }
  .steps h3 {
    font-size:17px
  }
  .steps p {
    font-size:13px
  }
  .source-notes {
    gap:32px
  }
  .platform-showcase {
    gap:32px;
    grid-template-columns:1fr 1fr
  }
  .android-showcase {
    padding-top:0
  }
  .platform-label {
    flex-direction:column;
    align-items:flex-start;
    gap:4px
  }
  .download-grid {
    grid-template-columns:1fr;
    max-width:490px;
    margin-inline:auto;
    gap:16px
  }
  .download-card {
    padding:26px
  }
  .requirement {
    min-height:0;
    margin-bottom:20px
  }
  .download-card .button {
    min-width:200px
  }
  .engineering h2 {
    font-size:23px
  }
  .footer {
    flex-wrap:wrap;
    gap:16px
  }
  .footer p {
    order:3;
    width:100%
  }
}
@media(max-width:480px) {
  .nav-actions .button--small {
    padding:7px 11px;
    font-size:10px
  }
  .nav-actions {
    gap:5px
  }
  .brand {
    gap:7px;
    font-size:14px
  }
  .hero h1 {
    letter-spacing:-.07em;
    font-size:40px
  }
  .hero-intro {
    font-size:14px
  }
  .hero-actions {
    gap:23px
  }
  .hero-actions .text-link {
    font-size:12px
  }
  .hero-actions .button {
    font-size:13px
  }
  .section-heading>.eyebrow {
    margin-bottom:20px
  }
  h2 {
    font-size:30px
  }
  .detail-row {
    grid-template-columns:1fr;
    gap:25px
  }
  .detail-row article {
    display:grid;
    grid-template-columns:28px 1fr;
    column-gap:12px
  }
  .detail-number {
    grid-row:1/3;
    padding-top:4px
  }
  .detail-row h3 {
    margin:0 0 8px;
    font-size:18px
  }
  .detail-row p {
    grid-column:2;
    font-size:14px
  }
  .steps {
    grid-template-columns:1fr;
    gap:25px
  }
  .steps li {
    display:grid;
    grid-template-columns:32px 1fr;
    column-gap:17px
  }
  .step-number {
    grid-row:1/3
  }
  .steps h3 {
    margin:2px 0 6px
  }
  .steps p {
    grid-column:2
  }
  .source-notes {
    grid-template-columns:1fr;
    gap:20px
  }
  .source-notes h3 {
    font-size:18px
  }
  .platform-showcase {
    grid-template-columns:1fr;
    gap:22px
  }
  .android-showcase {
    padding:0 16px
  }
  .platform-label {
    flex-direction:row;
    align-items:center
  }
  .desktop-showcase .media-placeholder {
    aspect-ratio:16/9
  }
  .media-placeholder {
    padding:20px
  }
  .media-placeholder p {
    font-size:12px
  }
  .media-placeholder small {
    font-size:9px
  }
  .media-caption {
    padding:10px;
    font-size:10px
  }
  .engineering {
    gap:20px
  }
  .circle-link {
    width:45px;
    height:45px
  }
  .engineering h2 {
    font-size:21px
  }
  .engineering p:last-child {
    font-size:12px
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto
  }
  *,*::before,*::after {
    animation:none!important;
    transition:none!important
  }
}
@media(max-width:360px) {
  .nav-actions .button--small {
    display:none
  }
  .hero h1 {
    font-size:36px
  }
  .hero-actions {
    gap:17px
  }
  .hero-actions .button {
    padding-inline:20px
  }
}

/* The two 16.4 editions are distinct choices, not levels of fidelity. */
.classic-editions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  border-top: 1px solid var(--line);
  padding-top: 30px;
  margin-bottom: 48px;
}
.classic-editions .eyebrow {
  color: var(--muted);
  font-size: 10px;
}
.classic-editions h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -.035em;
  line-height: 1.4;
  margin: 15px 0 12px;
}
.classic-editions article > p:last-child {
  color: #6e7168;
  font-size: 14px;
  line-height: 1.9;
}
@media(max-width:780px) {
  .classic-editions { gap: 28px; }
}
@media(max-width:480px) {
  .classic-editions { grid-template-columns: 1fr; gap: 30px; }
  .classic-editions h3 { font-size: 20px; }
}
.classic-followup {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  margin-top: 24px;
}
.classic-followup p { font-size: 14px; color: var(--muted); max-width: 650px; }
.classic-followup a { flex-shrink: 0; }
@media(max-width:600px) {
  .classic-followup { flex-direction: column; gap: 14px; }
}
/* Explicit viewport crop; never destructive to source captures. */
.media-viewport {
  position: relative;
  aspect-ratio: var(--viewport-ratio, 16 / 10);
  width: 100%;
  overflow: hidden;
  background: #161613;
  border-radius: inherit;
}
.media-viewport > video, .media-viewport > img,
.hero-media .media-viewport > video, .hero-media .media-viewport > img,
.ab-screen .media-viewport > video, #demoContent .media-viewport > video {
  position: absolute;
  width: var(--media-width, 100%);
  height: var(--media-height, 100%);
  max-width: none;
  max-height: none;
  left: var(--media-left, 0);
  top: var(--media-top, 0);
  aspect-ratio: auto;
  object-fit: fill;
}
.source-gallery, .share-gallery {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  gap: 24px;
  margin-top: 32px;
}
.source-gallery { margin-bottom: 32px; }
.share-heading { margin-bottom: 32px; }
.share-heading h2 { font-size: 36px; }
.share-gallery .media-viewport { background: transparent; }
.share-gallery .share-output .media-viewport > img { object-fit: contain; }
@media(max-width:600px) {
  .source-gallery, .share-gallery { grid-template-columns: 1fr; gap: 20px; }
  .share-heading h2 { font-size: 28px; }
}
/* Match share-image heights through column proportions, without cropping either image. */
.share-gallery {
  grid-template-columns: 1.262fr 1fr;
  align-items: start;
}
.share-gallery > .media-slot,
.platform-showcase .media-slot {
  background: transparent;
  border: 0;
  border-radius: 0;
  overflow: visible;
}
.share-gallery .media-viewport,
.share-gallery > .media-slot > .media-image,
.platform-showcase .media-viewport,
.platform-showcase .media-placeholder {
  border-radius: 20px;
  overflow: hidden;
}
.share-gallery .media-caption,
.platform-showcase .media-caption {
  background: transparent;
  padding: 14px 4px 0;
}
.platform-showcase {
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.android-showcase { padding: 0; }
.android-gallery {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  gap: 16px;
  align-items: start;
}
.android-gallery .media-slot--portrait { width: 100%; max-width: none; margin: 0; }
.android-gallery .media-image { aspect-ratio: 1200 / 2670; }
.platform-showcase .media-image { object-fit: contain; }
@media(max-width:900px) {
  .platform-showcase { grid-template-columns: 1fr; gap: 32px; }
  .desktop-showcase { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 24px; }
  .android-showcase { width: min(100%,580px); margin-inline: auto; }
}
@media(max-width:600px) {
  .share-gallery { grid-template-columns: 1fr; gap: 28px; }
  .desktop-showcase { grid-template-columns: 1fr; gap: 0; }
  .android-gallery { gap: 12px; }
  .android-gallery .media-viewport { border-radius: 16px; }
}

.download-card .beta-note {
  max-width: 29em;
  margin-top: 18px;
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
}
.device-hint { margin-top: 12px; font-size: 12px; color: var(--muted); }
.download-card.is-current-platform { border-color: #989f8e; }