:root {
  color-scheme: light;
  --ink: #171a1c;
  --muted: #626a6f;
  --line: #d9dddf;
  --paper: #ffffff;
  --soft: #f3f5f5;
  --graphite: #111416;
  --cyan: #12b9dd;
  --lime: #a8d800;
  --content: 1180px;
  --sidebar: 232px;
  --radius: 6px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: #087e99;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.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;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  color: white;
  background: var(--graphite);
}

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto minmax(160px, 1fr);
  align-items: center;
  min-height: 68px;
  padding: 0 max(20px, calc((100vw - var(--content)) / 2));
  border-bottom: 1px solid rgba(217, 221, 223, 0.92);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: max-content;
  color: var(--ink);
  text-decoration: none;
}

.brand img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  margin-right: 10px;
}

.brand-copy {
  display: grid;
  line-height: 1.15;
}

.brand-copy strong {
  font-size: 17px;
}

.brand-copy small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.top-nav {
  display: flex;
  align-items: stretch;
  height: 68px;
  gap: 30px;
}

.top-nav a {
  display: flex;
  position: relative;
  align-items: center;
  color: #3c4347;
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.top-nav a.active::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--cyan);
  content: "";
}

.header-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
}

.icon-button,
.language-button {
  display: inline-grid;
  place-items: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: white;
}

.icon-button {
  padding: 0;
  font-size: 21px;
}

.language-button {
  font-size: 13px;
  font-weight: 700;
}

.menu-button {
  display: none;
}

.hero {
  display: grid;
  position: relative;
  min-height: min(720px, calc(100vh - 68px));
  align-items: center;
  overflow: hidden;
  color: white;
  background: var(--graphite);
}

.hero::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(12, 15, 16, 0.96) 0%, rgba(12, 15, 16, 0.78) 35%, rgba(12, 15, 16, 0.08) 72%),
    url("/assets/hero-virtual-geometry.png") center / cover no-repeat;
  content: "";
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(var(--content), calc(100% - 40px));
  margin: 0 auto;
  padding: 88px 0 120px;
}

.hero-logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 16px;
  color: #8fe8f7;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 620px;
  margin: 24px 0 0;
  color: #d9dfe1;
  font-size: clamp(17px, 2vw, 21px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: #0d1213;
  background: var(--cyan);
  font-weight: 750;
  text-decoration: none;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.42);
  color: white;
  background: rgba(15, 18, 19, 0.58);
}

.capability-strip {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 0;
  left: 0;
  background: rgba(5, 8, 9, 0.88);
}

.capability-strip ul {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: min(var(--content), calc(100% - 40px));
  margin: 0 auto;
  padding: 22px 0;
  list-style: none;
}

.capability-strip li {
  padding: 0 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.capability-strip li:first-child {
  padding-left: 0;
  border-left: 0;
}

.capability-strip strong,
.capability-strip span {
  display: block;
}

.capability-strip strong {
  color: white;
  font-size: 14px;
}

.capability-strip span {
  margin-top: 2px;
  color: #aeb7ba;
  font-size: 12px;
}

.band {
  padding: 84px 20px;
}

.band.soft {
  background: var(--soft);
}

.band.dark {
  color: white;
  background: var(--graphite);
}

.band-inner {
  width: min(var(--content), 100%);
  margin: 0 auto;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(300px, 1.3fr);
  gap: 60px;
  align-items: start;
  margin-bottom: 54px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.1;
}

.section-heading p {
  max-width: 720px;
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.dark .section-heading p {
  color: #b9c1c4;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.feature {
  min-height: 220px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: white;
}

.feature-index {
  display: inline-block;
  margin-bottom: 26px;
  color: #0786a1;
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-size: 12px;
  font-weight: 800;
}

.feature h3 {
  margin: 0 0 10px;
  font-size: 19px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.pipeline-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}

.pipeline-table th,
.pipeline-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.pipeline-table th {
  width: 34%;
  color: #3e464a;
  font-size: 13px;
  text-transform: uppercase;
}

.status {
  display: inline-block;
  min-width: 76px;
  margin-right: 12px;
  padding: 3px 8px;
  border-radius: 3px;
  color: #253000;
  background: #d8ef82;
  font-size: 11px;
  font-weight: 850;
  text-align: center;
  text-transform: uppercase;
}

.cta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.cta-row h2 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.14;
}

.docs-shell {
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr) 210px;
  width: min(1440px, 100%);
  min-height: calc(100vh - 68px);
  margin: 0 auto;
}

.docs-sidebar,
.toc {
  position: sticky;
  top: 68px;
  align-self: start;
  max-height: calc(100vh - 68px);
  overflow: auto;
}

.docs-sidebar {
  padding: 34px 24px;
  border-right: 1px solid var(--line);
}

.docs-sidebar h2 {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.docs-sidebar a {
  display: block;
  margin: 2px 0;
  padding: 8px 10px;
  border-left: 3px solid transparent;
  color: #3f4649;
  font-size: 14px;
  font-weight: 620;
  text-decoration: none;
}

.docs-sidebar a.active {
  border-left-color: var(--cyan);
  color: #006f87;
  background: #eaf8fa;
}

.article {
  width: min(820px, calc(100% - 64px));
  margin: 0 auto;
  padding: 58px 0 100px;
}

.article h1 {
  margin: 0 0 28px;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.08;
}

.article h2 {
  margin: 56px 0 18px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 28px;
  line-height: 1.2;
}

.article h3 {
  margin: 34px 0 12px;
  font-size: 20px;
}

.article p,
.article li {
  color: #384044;
}

.article code {
  padding: 2px 5px;
  border-radius: 3px;
  color: #075e72;
  background: #eaf3f4;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.9em;
}

.article pre {
  overflow: auto;
  padding: 18px;
  border-left: 3px solid var(--cyan);
  color: #e9eff1;
  background: #171b1d;
}

.article pre code {
  padding: 0;
  color: inherit;
  background: transparent;
}

.article table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

.article th,
.article td {
  padding: 10px 12px;
  border: 1px solid var(--line);
  text-align: left;
}

.article blockquote {
  margin: 28px 0;
  padding: 2px 20px;
  border-left: 4px solid var(--lime);
  background: var(--soft);
}

.toc {
  padding: 42px 24px;
  border-left: 1px solid var(--line);
}

.toc strong {
  display: block;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.toc a {
  display: block;
  margin: 9px 0;
  color: #626a6e;
  font-size: 12px;
  line-height: 1.35;
  text-decoration: none;
}

.support-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 64px;
  width: min(var(--content), calc(100% - 40px));
  margin: 0 auto;
  padding: 84px 0 120px;
}

.support-layout h1 {
  margin: 0 0 20px;
  font-size: clamp(38px, 5vw, 60px);
}

.support-layout h2 {
  margin-top: 42px;
}

.contact-panel {
  align-self: start;
  padding: 28px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--cyan);
  border-radius: var(--radius);
}

.contact-panel a {
  overflow-wrap: anywhere;
  font-weight: 750;
}

.search-panel {
  position: fixed;
  z-index: 80;
  inset: 0;
  padding: 11vh 20px;
  background: rgba(10, 13, 14, 0.74);
}

.search-dialog {
  width: min(720px, 100%);
  max-height: 76vh;
  margin: 0 auto;
  overflow: hidden;
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
}

.search-input-row {
  display: grid;
  grid-template-columns: 28px 1fr 36px;
  gap: 8px;
  align-items: center;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}

.search-input-row input {
  min-width: 0;
  padding: 8px 0;
  border: 0;
  outline: 0;
  font-size: 18px;
}

.search-results {
  max-height: 60vh;
  overflow: auto;
  padding: 8px;
}

.search-result {
  display: block;
  padding: 12px 14px;
  border-radius: 4px;
  color: var(--ink);
  text-decoration: none;
}

.search-result:hover {
  background: var(--soft);
}

.search-result strong,
.search-result span {
  display: block;
}

.search-result span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 30px max(20px, calc((100vw - var(--content)) / 2));
  border-top: 1px solid #32383b;
  color: #b8c0c3;
  background: var(--graphite);
  font-size: 13px;
}

.site-footer strong {
  margin-right: 14px;
  color: white;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.site-footer a {
  color: #d6e7ea;
}

.error-state {
  width: min(760px, calc(100% - 40px));
  margin: 100px auto;
}

@media (max-width: 1050px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .top-nav {
    display: none;
    position: absolute;
    top: 68px;
    right: 0;
    left: 0;
    height: auto;
    padding: 12px 20px 20px;
    border-bottom: 1px solid var(--line);
    background: white;
  }

  .top-nav.open {
    display: grid;
  }

  .top-nav a {
    min-height: 42px;
  }

  .menu-button {
    display: inline-grid;
  }

  .docs-shell {
    grid-template-columns: 210px minmax(0, 1fr);
  }

  .toc {
    display: none;
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 60px;
    padding: 0 14px;
  }

  .brand img {
    width: 34px;
    height: 34px;
  }

  .brand-copy small {
    display: none;
  }

  .top-nav {
    top: 60px;
  }

  .hero {
    min-height: 720px;
    align-items: start;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(12, 15, 16, 0.92) 0%, rgba(12, 15, 16, 0.7) 58%, rgba(12, 15, 16, 0.3) 100%),
      url("/assets/hero-virtual-geometry.png") 61% center / cover no-repeat;
  }

  .hero-inner {
    padding: 64px 0 240px;
  }

  .hero h1 {
    font-size: 46px;
  }

  .capability-strip ul {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 0;
  }

  .capability-strip li:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .band {
    padding: 60px 20px;
  }

  .section-heading,
  .support-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .cta-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .docs-shell {
    display: block;
  }

  .docs-sidebar {
    position: static;
    max-height: none;
    padding: 14px 20px;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
  }

  .docs-sidebar h2 {
    display: none;
  }

  .docs-sidebar a {
    display: inline-block;
    border-bottom: 3px solid transparent;
    border-left: 0;
  }

  .docs-sidebar a.active {
    border-bottom-color: var(--cyan);
  }

  .article {
    width: calc(100% - 40px);
    padding-top: 38px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}