@font-face {
  font-family: Plex;
  src: url('/assets/fonts/ibm-plex-sans-latin-400-normal.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: Plex;
  src: url('/assets/fonts/ibm-plex-sans-latin-500-normal.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: Plex;
  src: url('/assets/fonts/ibm-plex-sans-latin-600-normal.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: Plex;
  src: url('/assets/fonts/ibm-plex-sans-latin-700-normal.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: PlexMono;
  src: url('/assets/fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
:root {
  color-scheme: light;
  --paper: #f5f6f3;
  --white: #fff;
  --ink: #1a2b27;
  --muted: #56635e;
  --line: #d4dbd4;
  --forest: #163f34;
  --sage: #4b675a;
  --lime: #d7eda7;
  --mono: PlexMono, monospace;
  font-family: Plex, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 20px;
}
body {
  margin: 0;
  min-width: 320px;
}
img,
video {
  max-width: 100%;
  height: auto;
}
button,
input {
  font: inherit;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  color: inherit;
  cursor: pointer;
}
p {
  line-height: 1.65;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1,
h2 {
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.08;
}
h2 {
  font-size: clamp(28px, 3vw, 42px);
}
h3 {
  line-height: 1.35;
}
em {
  font-style: normal;
  color: var(--sage);
}
a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #437bcc;
  outline-offset: 4px;
}
::selection {
  background: var(--lime);
  color: var(--forest);
}
.wrap {
  width: min(1240px, calc(100% - 80px));
  margin-inline: auto;
}
.eyebrow,
.mono {
  font: 11px/1.6 var(--mono);
  letter-spacing: 0.025em;
}
.eyebrow {
  color: var(--muted);
}
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 50;
  padding: 12px;
  background: var(--forest);
  color: #fff;
  transform: translateY(-160%);
}
.skip-link:focus {
  transform: translateY(0);
}
.site-header {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.065em;
}
.brand img {
  border-radius: 7px;
}
.brand-note {
  font: 11px var(--mono);
  letter-spacing: 0;
  color: var(--muted);
  margin-left: 15px;
  padding-left: 18px;
  border-left: 1px solid var(--line);
}
nav {
  display: flex;
  align-items: center;
  gap: 25px;
  font-size: 13px;
}
.nav-cta {
  border: 1px solid #9aa99f;
  padding: 11px 14px;
  border-radius: 3px;
}
.menu-toggle {
  display: none;
}
.hero {
  padding-block: 43px 0;
}
.hero-top {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 60px;
  margin-bottom: 34px;
}
.hero h1 {
  font-size: clamp(42px, 4.4vw, 62px);
  margin: 20px 0 0;
  line-height: 1.04;
}
.hero-intro {
  font-size: 17px;
  margin-bottom: 19px;
  max-width: 500px;
  color: var(--muted);
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 13px 17px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 500;
  min-height: 44px;
}
.button:hover {
  text-decoration: none;
  background: #255846;
}
.primary,
.light {
  background: var(--forest);
  color: var(--white);
}
.text-link {
  font-weight: 500;
  font-size: 13px;
  background: none;
  border: 0;
  padding: 0;
  line-height: 1.5;
}
.hero-footnote {
  font-size: 11px;
  line-height: 1.7;
  color: var(--muted);
  margin: 17px 0 0;
}
.hero-footnote a {
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-left: 5px;
}
.build-demo {
  border: 1px solid #b9c5bc;
  border-radius: 4px;
  background: #fff;
  overflow: hidden;
  box-shadow: 0 12px 35px #1832230a;
}
.demo-heading {
  min-height: 70px;
  padding: 15px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.demo-label {
  font: 10px var(--mono);
  color: var(--sage);
  letter-spacing: 0.05em;
}
.demo-heading h2 {
  font-size: 17px;
  letter-spacing: -0.015em;
  margin: 6px 0 0;
}
.demo-meta {
  font: 11px var(--mono);
  color: var(--muted);
  white-space: nowrap;
}
.player-shell {
  position: relative;
  background: #101e19;
  border-block: 1px solid #d4dbd4;
}
.player-shell video {
  display: block;
  width: 100%;
  aspect-ratio: 1440/820;
  object-fit: contain;
  background: #e9eeea;
  max-height: 620px;
}
.player-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  gap: 22px;
  background: #122f27f5;
  color: #fff;
  pointer-events: none;
}
.chapter-number {
  font: 11px var(--mono);
  color: var(--lime);
  white-space: nowrap;
  min-width: 110px;
}
.player-caption p {
  font-size: 15px;
  margin: 0;
  line-height: 1.45;
}
.player-status {
  position: absolute;
  top: 13px;
  right: 15px;
  background: #fbfdf9ee;
  color: #355745;
  border: 1px solid #cad5c7;
  padding: 6px 10px;
  font: 10px var(--mono);
  border-radius: 2px;
  pointer-events: none;
}
.player-controls {
  display: flex;
  align-items: center;
  gap: 20px;
  justify-content: space-between;
  padding: 9px 16px;
  border-bottom: 1px solid var(--line);
}
.player-controls > div {
  display: flex;
  gap: 8px;
}
.player-controls button {
  background: #f0f3ed;
  border: 1px solid #ccd4c7;
  border-radius: 3px;
  font-size: 12px;
  padding: 8px 12px;
  min-height: 38px;
}
.player-controls > span,
.player-controls > a {
  font-size: 11px;
  color: var(--muted);
}
.player-controls > a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.chapters {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.chapters button {
  text-align: left;
  border: 0;
  border-right: 1px solid var(--line);
  background: #fff;
  padding: 16px 20px;
  font-size: 13px;
  min-height: 50px;
}
.chapters button:last-child {
  border: 0;
}
.chapters button span {
  font: 10px var(--mono);
  color: var(--muted);
  margin-right: 9px;
}
.chapters button[aria-current='true'] {
  background: #e5efdb;
  box-shadow: inset 0 -2px 0 #395b34;
}
.demo-disclosure {
  font-size: 11px;
  line-height: 1.7;
  color: var(--muted);
  padding: 12px 20px;
  margin: 0;
  border-top: 1px solid var(--line);
  background: #fafbf8;
}
.evidence {
  padding-block: 65px 52px;
}
.section-heading {
  margin-bottom: 28px;
}
.section-heading h2 {
  margin-bottom: 0;
}
.section-heading .eyebrow {
  margin-bottom: 13px;
}
.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--line);
}
.evidence-grid article {
  padding: 26px 25px;
  border-right: 1px solid var(--line);
}
.evidence-grid article:first-child {
  padding-left: 0;
}
.evidence-grid article:last-child {
  border: 0;
  padding-right: 0;
}
.evidence-index {
  font: 10px var(--mono);
  color: var(--sage);
}
.evidence-grid h3 {
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 17px 0 12px;
}
.evidence-grid p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 17px;
}
.evidence-grid a {
  font-size: 13px;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.scope-note {
  font-size: 11px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 970px;
  margin: 17px 0 0;
}
.architecture {
  padding-block: 47px 50px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  border-top: 1px solid var(--line);
}
.architecture h2 {
  margin: 22px 0;
}
.architecture > div > p:not(.eyebrow) {
  font-size: 16px;
  color: var(--muted);
  max-width: 460px;
}
.architecture-flow {
  border: 1px solid #c2d0c1;
  background: #edf1e7;
}
.architecture-flow > div {
  padding: 18px 24px;
  display: grid;
  grid-template-columns: 26px 1fr;
  column-gap: 15px;
  border-bottom: 1px solid #cbd5c7;
}
.architecture-flow > div:last-child {
  border: 0;
}
.architecture-flow span {
  font: 11px var(--mono);
  color: var(--sage);
  grid-row: span 2;
  padding-top: 3px;
}
.architecture-flow strong {
  font-size: 15px;
  font-weight: 500;
}
.architecture-flow small {
  font-size: 12px;
  color: var(--muted);
  margin-top: 5px;
  line-height: 1.5;
}
.mechanics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding-block: 8px 45px;
  border-bottom: 1px solid var(--line);
}
.mechanics h3 {
  font-size: 16px;
  font-weight: 500;
}
.mechanics p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 0;
}
.details {
  padding-block: 55px;
}
.details-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
}
.faq details {
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
}
.faq details:first-child {
  padding-top: 0;
}
.faq summary {
  font-size: 16px;
  line-height: 1.5;
  cursor: pointer;
  font-weight: 500;
}
.faq p {
  font-size: 14px;
  color: var(--muted);
  margin: 16px 0 0;
}
.faq a {
  font-size: 13px;
  display: inline-block;
  margin-top: 14px;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.download {
  padding-bottom: 48px;
}
.download-inner {
  padding: 34px 40px;
  background: #e7eee1;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 75px;
  border: 1px solid #c8d3be;
  border-radius: 3px;
}
.download-intro h2 {
  margin-top: 23px;
}
.download-intro > p:not(.eyebrow) {
  max-width: 420px;
  color: #405d48;
  font-size: 15px;
}
.light {
  margin-top: 9px;
}
.download-intro .download-note {
  font-size: 11px !important;
  margin: 16px 0 0;
}
.download-options h3 {
  font: 12px var(--mono);
  margin: 0 0 10px;
}
.download-options > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid #b4c5a9;
  font-size: 17px;
  gap: 10px;
}
.download-options small {
  display: block;
  font-size: 11px;
  line-height: 1.6;
  font-weight: 400;
  color: #47654b;
}
.download-options a > span:last-child {
  font-size: 20px;
}
.download-options .all-releases {
  font-size: 12px;
  border: 0;
  margin-top: 5px;
  padding-bottom: 0;
}
.site-footer {
  display: flex;
  gap: 28px;
  align-items: center;
  justify-content: space-between;
  padding-block: 25px 30px;
  border-top: 1px solid var(--line);
}
.site-footer .brand {
  font-size: 23px;
}
.site-footer > p {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}
.site-footer > div {
  display: flex;
  gap: 22px;
  font-size: 11px;
}
.site-footer > div > span {
  color: var(--muted);
}
.guide {
  max-width: 800px;
  padding-block: 65px;
}
.guide h1 {
  font-size: clamp(42px, 6vw, 64px);
}
.guide .lede {
  font-size: 19px;
  color: var(--muted);
}
.guide section {
  padding-block: 28px;
  border-top: 1px solid var(--line);
  margin-top: 28px;
}
.guide h2 {
  font-size: 28px;
}
.guide h3 {
  font-size: 19px;
  margin-top: 22px;
}
.guide p,
.guide li {
  font-size: 16px;
  line-height: 1.8;
}
.guide a:not(.button) {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.guide pre {
  padding: 18px;
  background: #e6eadd;
  overflow-x: auto;
  font: 13px/1.7 var(--mono);
}
.guide code {
  font-family: var(--mono);
  font-size: 0.87em;
}
.guide blockquote {
  margin: 22px 0;
  padding: 10px 23px;
  border-left: 3px solid var(--sage);
  background: #e8ecdf;
}
.guide .notice {
  padding: 17px 21px;
  border: 1px solid #c9cbb7;
  background: #ecebdc;
  font-size: 14px;
}
.guide-tabs {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
@media (max-width: 1100px) {
  .wrap {
    width: calc(100% - 56px);
  }
  .brand-note {
    display: none;
  }
  .hero-top {
    gap: 35px;
  }
  .hero h1 {
    font-size: 51px;
  }
  .hero-actions {
    gap: 15px;
  }
  .hero-intro {
    font-size: 16px;
  }
  .architecture,
  .details-layout {
    gap: 45px;
  }
  .download-inner {
    gap: 40px;
    padding: 32px;
  }
  .player-controls > span {
    display: none;
  }
}
@media (max-width: 760px) {
  .wrap {
    width: calc(100% - 32px);
  }
  .site-header {
    min-height: 65px;
    position: relative;
    z-index: 5;
  }
  .brand {
    font-size: 24px;
  }
  .brand img {
    width: 28px;
    height: 28px;
  }
  .menu-toggle {
    display: flex;
    gap: 15px;
    align-items: center;
    border: 1px solid var(--line);
    padding: 9px 12px;
    background: transparent;
    font-size: 12px;
    min-height: 42px;
  }
  nav {
    display: none;
    position: absolute;
    top: 57px;
    right: 0;
    left: 0;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    background: var(--white);
    border: 1px solid var(--line);
    padding: 12px;
    box-shadow: 0 12px 30px #20372f15;
  }
  nav.is-open {
    display: flex;
  }
  nav a {
    padding: 13px;
  }
  .hero {
    padding-top: 25px;
  }
  .hero-top {
    grid-template-columns: 1fr;
    gap: 19px;
    margin-bottom: 25px;
  }
  .hero h1 {
    font-size: clamp(39px, 7.5vw, 52px);
    margin: 13px 0 0;
  }
  .hero .eyebrow {
    font-size: 10px;
    margin-bottom: 0;
  }
  .hero-intro {
    font-size: 15px;
    line-height: 1.6;
    max-width: 560px;
    margin-bottom: 17px;
  }
  .hero-actions {
    gap: 15px;
  }
  .button {
    font-size: 13px;
    padding: 11px 13px;
  }
  .text-link {
    font-size: 12px;
  }
  .hero-footnote {
    font-size: 10px;
    margin-top: 13px;
  }
  .demo-heading {
    padding: 13px 14px;
    align-items: start;
    gap: 10px;
    flex-direction: column;
  }
  .demo-heading h2 {
    font-size: 16px;
  }
  .demo-meta {
    font-size: 10px;
  }
  .demo-label {
    font-size: 9px;
  }
  .player-shell video {
    aspect-ratio: 1440/920;
    min-height: 220px;
  }
  .player-caption {
    position: static;
    padding: 12px 14px;
    display: block;
    min-height: 91px;
  }
  .chapter-number {
    font-size: 10px;
  }
  .player-caption p {
    font-size: 13px;
    margin-top: 7px;
    line-height: 1.5;
  }
  .player-status {
    font-size: 8px;
    top: 6px;
    right: 6px;
    padding: 5px 7px;
    max-width: 90%;
  }
  .player-controls {
    padding: 9px 10px;
    flex-wrap: wrap;
    gap: 8px;
  }
  .player-controls button {
    font-size: 11px;
    min-height: 42px;
    padding: 9px;
  }
  .player-controls > div {
    gap: 6px;
  }
  .player-controls > a {
    font-size: 10px;
    margin-left: auto;
  }
  .chapters button {
    font-size: 11px;
    padding: 11px 9px;
    line-height: 1.5;
  }
  .chapters button span {
    display: block;
    margin-bottom: 3px;
    font-size: 9px;
  }
  .demo-disclosure {
    padding: 11px 13px;
    font-size: 10px;
  }
  .evidence {
    padding-block: 40px;
  }
  .evidence-grid {
    grid-template-columns: 1fr;
  }
  .evidence-grid article {
    padding: 23px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .evidence-grid article:last-child {
    border: 0;
  }
  .evidence-grid h3 {
    margin-top: 12px;
  }
  .architecture {
    grid-template-columns: 1fr;
    gap: 22px;
    padding-block: 35px;
  }
  .architecture h2 {
    margin-top: 17px;
  }
  .architecture > div > p:not(.eyebrow) {
    font-size: 15px;
  }
  .mechanics {
    grid-template-columns: 1fr;
    gap: 23px;
    padding-block: 0 35px;
  }
  .mechanics h3 {
    margin-bottom: 9px;
  }
  .details {
    padding-block: 38px;
  }
  .details-layout {
    grid-template-columns: 1fr;
    gap: 9px;
  }
  .details-layout h2 {
    font-size: 30px;
  }
  .section-heading {
    margin-bottom: 22px;
  }
  .faq summary {
    font-size: 15px;
  }
  .download {
    padding-bottom: 35px;
  }
  .download-inner {
    grid-template-columns: 1fr;
    padding: 24px 20px;
    gap: 33px;
  }
  .download-intro h2 {
    font-size: 35px;
  }
  .download-options > a {
    padding: 14px 0;
  }
  .site-footer {
    flex-wrap: wrap;
    gap: 17px;
  }
  .site-footer > p {
    margin-left: auto;
    text-align: right;
    max-width: 145px;
  }
  .site-footer > div {
    width: 100%;
    justify-content: space-between;
  }
  .guide {
    padding-block: 38px;
  }
  .guide p,
  .guide li {
    font-size: 15px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}