:root {
  color-scheme: dark;
  --bg: #07110f;
  --bg-elevated: #0b1714;
  --panel: #0d1d19;
  --panel-strong: #112722;
  --text: #ecf8f3;
  --muted: #91a69f;
  --faint: #59706a;
  --line: rgba(196, 235, 220, 0.12);
  --line-strong: rgba(196, 235, 220, 0.22);
  --green: #14f195;
  --green-strong: #08c878;
  --green-soft: rgba(20, 241, 149, 0.1);
  --purple: #9945ff;
  --purple-soft: rgba(153, 69, 255, 0.12);
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.26);
  --sidebar: 272px;
  --topbar: 70px;
  --content-max: 1240px;
  font-family: "Segoe UI Variable", "Segoe UI", Inter, system-ui, -apple-system, sans-serif;
  font-synthesis: none;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f8f6;
  --bg-elevated: #ffffff;
  --panel: #ffffff;
  --panel-strong: #ecf6f1;
  --text: #10211c;
  --muted: #52665f;
  --faint: #82928d;
  --line: rgba(16, 52, 41, 0.11);
  --line-strong: rgba(16, 52, 41, 0.19);
  --green: #087c58;
  --green-strong: #006e4c;
  --green-soft: rgba(8, 124, 88, 0.09);
  --purple: #6f2dbd;
  --purple-soft: rgba(111, 45, 189, 0.08);
  --shadow: 0 20px 60px rgba(22, 48, 39, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar) + 30px);
}

body {
  margin: 0;
  min-width: 300px;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

svg {
  display: block;
}

::selection {
  background: rgba(20, 241, 149, 0.28);
  color: var(--text);
}

.skip-link {
  position: fixed;
  left: 18px;
  top: -80px;
  z-index: 200;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--green);
  color: #06120e;
  font-weight: 700;
  transition: top 160ms ease;
}

.skip-link:focus {
  top: 12px;
}

.reading-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 120;
  height: 2px;
  background: transparent;
}

.reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--purple));
}

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--topbar);
  display: grid;
  grid-template-columns: var(--sidebar) 1fr auto;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(18px);
}

.brand {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 0 24px;
  border-right: 1px solid var(--line);
}

.brand-mark {
  position: relative;
  width: 30px;
  height: 25px;
  filter: drop-shadow(0 0 14px rgba(20, 241, 149, 0.24));
}

.brand-mark i {
  position: absolute;
  left: 0;
  width: 30px;
  height: 5px;
  border-radius: 1px;
  background: linear-gradient(90deg, var(--green), var(--purple));
  transform: skewX(-25deg);
}

.brand-mark i:nth-child(1) { top: 0; }
.brand-mark i:nth-child(2) { top: 10px; left: 4px; }
.brand-mark i:nth-child(3) { top: 20px; }

.brand > span:last-child {
  display: grid;
  line-height: 1.05;
}

.brand strong {
  font-size: 15px;
  letter-spacing: 0.11em;
}

.brand small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-left: 36px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.topnav a {
  transition: color 160ms ease;
}

.topnav a:hover {
  color: var(--text);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-right: 20px;
}

.language-picker {
  position: relative;
  height: 38px;
  display: flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-elevated);
  color: var(--muted);
  transition: border-color 160ms ease, color 160ms ease;
}

.language-picker:hover,
.language-picker:focus-within {
  border-color: var(--line-strong);
  color: var(--text);
}

.language-picker svg {
  position: absolute;
  left: 10px;
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.55;
  stroke-linecap: round;
  pointer-events: none;
}

.language-picker::after {
  content: "";
  position: absolute;
  right: 10px;
  width: 5px;
  height: 5px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  pointer-events: none;
}

.language-picker select {
  width: 88px;
  height: 100%;
  appearance: none;
  border: 0;
  outline: 0;
  padding: 0 24px 0 31px;
  background: transparent;
  color: currentColor;
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
}

.language-picker option {
  background: var(--bg-elevated);
  color: var(--text);
}

.icon-button,
.menu-toggle,
.download-small {
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-elevated);
  color: var(--muted);
}

.icon-button,
.menu-toggle {
  cursor: pointer;
}

.icon-button:hover,
.menu-toggle:hover,
.download-small:hover {
  border-color: var(--line-strong);
  color: var(--text);
}

.icon-button svg,
.download-small svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.search-trigger {
  min-width: 188px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 10px;
  text-align: left;
}

.search-trigger span {
  margin-right: auto;
  font-size: 12px;
}

kbd {
  display: inline-grid;
  min-width: 22px;
  height: 22px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: var(--panel);
  color: var(--faint);
  font: 10px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.theme-toggle {
  width: 38px;
  display: grid;
  place-items: center;
}

.social-link {
  width: 38px;
  display: grid;
  place-items: center;
  padding: 0;
}

.social-link svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
  stroke: none;
}

.download-small {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 13px;
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
}

.menu-toggle {
  display: none;
  width: 40px;
  place-items: center;
  padding: 9px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 3px auto;
  background: currentColor;
}

.app-shell {
  padding-top: var(--topbar);
}

.sidebar {
  position: fixed;
  inset: var(--topbar) auto 0 0;
  z-index: 80;
  width: var(--sidebar);
  border-right: 1px solid var(--line);
  background: var(--bg);
}

.sidebar-scroll {
  height: 100%;
  overflow-y: auto;
  padding: 24px 18px 30px;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}

.version-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 2px;
  margin: 0 2px 28px;
  padding: 15px 15px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-elevated);
}

.version-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(var(--green), var(--purple));
}

.version-card span,
.version-card small {
  color: var(--faint);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.version-card strong {
  font-size: 14px;
  font-weight: 650;
}

.nav-group {
  margin-bottom: 22px;
}

.nav-group p {
  margin: 0 10px 7px;
  color: var(--faint);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.nav-group a {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 5px;
  align-items: center;
  margin: 1px 0;
  padding: 7px 9px;
  border-radius: 7px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
  transition: background 140ms ease, color 140ms ease;
}

.nav-group a span {
  color: var(--faint);
  font: 10px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.nav-group a:hover {
  background: var(--green-soft);
  color: var(--text);
}

.nav-group a.active {
  background: var(--green-soft);
  color: var(--text);
}

.nav-group a.active span {
  color: var(--green);
}

.sidebar-footer {
  display: grid;
  gap: 4px;
  padding: 14px 10px 0;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 10px;
  letter-spacing: 0.04em;
}

.sidebar-scrim {
  display: none;
}

main {
  margin-left: var(--sidebar);
}

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(440px, 1.1fr);
  gap: clamp(40px, 7vw, 100px);
  min-height: 610px;
  padding: 86px clamp(34px, 6vw, 96px) 72px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-elevated);
}

.hero::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: 9%;
  top: 14%;
  border-radius: 50%;
  background: rgba(20, 241, 149, 0.08);
  filter: blur(90px);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: 2%;
  bottom: -70px;
  border-radius: 50%;
  background: rgba(153, 69, 255, 0.09);
  filter: blur(80px);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.34;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to right, black, transparent 88%);
  pointer-events: none;
}

.hero-copy,
.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-copy {
  align-self: center;
  max-width: 610px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  color: var(--green);
  font: 700 11px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 18px;
  height: 1px;
  background: currentColor;
}

.hero h1 {
  max-width: 720px;
  margin: 0 0 24px;
  font-size: clamp(48px, 5.4vw, 82px);
  font-weight: 650;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.hero h1 em {
  background: linear-gradient(90deg, var(--green), #74f6c2 45%, #c59bff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: normal;
}

.hero-copy > p {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.68;
}

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

.primary-button,
.secondary-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 0 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 750;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.primary-button {
  background: var(--green);
  color: #04100c;
}

.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-2px);
}

.primary-button span {
  font: 16px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.secondary-button {
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--text);
}

.secondary-button svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero-copy .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 19px;
  margin-top: 26px;
  color: var(--faint);
  font: 10px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.hero-meta span {
  position: relative;
}

.hero-meta span + span::before {
  content: "";
  position: absolute;
  left: -11px;
  top: 50%;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--faint);
}

.hero-visual {
  align-self: center;
  min-height: 452px;
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  background: color-mix(in srgb, var(--panel) 90%, transparent);
  box-shadow: var(--shadow);
}

.visual-topline {
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 17px;
  border-bottom: 1px solid var(--line);
  color: var(--faint);
  font: 10px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.live-dot {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--green);
}

.live-dot::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 12px currentColor;
}

.network-map {
  position: relative;
  height: 336px;
  overflow: hidden;
}

.network-map svg {
  width: 100%;
  height: 100%;
}

.link-lines path {
  stroke-width: 1.2;
  stroke-dasharray: 4 5;
  animation: dash 14s linear infinite;
}

@keyframes dash {
  to { stroke-dashoffset: -120; }
}

.node circle:first-child {
  fill: var(--panel-strong);
  stroke: var(--line-strong);
  stroke-width: 1.5;
}

.node circle:nth-child(2) {
  fill: var(--green);
  filter: drop-shadow(0 0 9px var(--green));
}

.node text {
  fill: var(--faint);
  font: 9px ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.08em;
  text-anchor: middle;
}

.core circle:first-child {
  fill: rgba(20, 241, 149, 0.06);
  stroke: rgba(20, 241, 149, 0.24);
  stroke-width: 1;
  stroke-dasharray: 4 5;
}

.core circle:nth-child(2) {
  fill: var(--panel-strong);
  stroke: var(--green);
  stroke-width: 1.6;
  filter: drop-shadow(0 0 18px rgba(20, 241, 149, 0.17));
}

.core text {
  fill: var(--text);
  font: 700 11px ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.07em;
  text-anchor: middle;
}

.core text:last-child {
  fill: var(--green);
  font-size: 8px;
}

.workspace-chip {
  position: absolute;
  left: 50%;
  top: 16px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--bg-elevated);
  transform: translateX(-50%);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
}

.windows-grid {
  width: 20px;
  height: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

.windows-grid i {
  background: var(--purple);
}

.workspace-chip > span:last-child {
  display: grid;
  line-height: 1.15;
}

.workspace-chip strong {
  font-size: 10px;
}

.workspace-chip small {
  margin-top: 2px;
  color: var(--faint);
  font-size: 8px;
}

.visual-stats {
  height: 70px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.visual-stats div {
  display: grid;
  align-content: center;
  gap: 2px;
  padding: 0 16px;
  border-right: 1px solid var(--line);
}

.visual-stats div:last-child {
  border-right: 0;
}

.visual-stats span {
  color: var(--faint);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.visual-stats strong {
  font-size: 11px;
  font-weight: 650;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.principles article {
  min-height: 128px;
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 18px;
  align-content: center;
  padding: 25px clamp(26px, 4vw, 54px);
  border-right: 1px solid var(--line);
}

.principles article:last-child {
  border-right: 0;
}

.principles article > span {
  color: var(--green);
  font: 11px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.principles strong {
  display: block;
  margin-bottom: 5px;
  font-size: 13px;
}

.principles p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.content-layout {
  width: min(100%, var(--content-max));
  display: grid;
  grid-template-columns: minmax(0, 820px) 240px;
  gap: clamp(54px, 7vw, 92px);
  margin: 0 auto;
  padding: 90px clamp(34px, 6vw, 72px) 120px;
}

.documentation {
  min-width: 0;
}

.document-intro {
  padding-bottom: 64px;
  border-bottom: 1px solid var(--line);
}

.document-intro > span {
  color: var(--green);
  font: 700 10px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.document-intro h2 {
  max-width: 720px;
  margin: 18px 0 22px;
  font-size: clamp(38px, 4.7vw, 62px);
  font-weight: 650;
  letter-spacing: -0.048em;
  line-height: 1.03;
}

.document-intro > p {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.core-judgment {
  margin-top: 32px;
  padding: 23px 24px;
  border: 1px solid rgba(20, 241, 149, 0.2);
  border-radius: 10px;
  background: var(--green-soft);
}

.core-judgment span,
.note-label {
  color: var(--green);
  font: 700 10px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.core-judgment p {
  margin: 8px 0 0;
  color: var(--text);
  font-size: 14px;
  line-height: 1.72;
}

.doc-section {
  padding: 74px 0 20px;
  border-bottom: 1px solid var(--line);
}

.section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 36px;
}

.section-kicker {
  display: block;
  margin-bottom: 12px;
  color: var(--green);
  font: 700 10px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-header h2 {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin: 0;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 640;
  letter-spacing: -0.038em;
  line-height: 1.1;
}

.section-header h2 span {
  color: var(--faint);
  font: 500 15px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.section-anchor {
  flex: 0 0 auto;
  margin-top: 25px;
  color: var(--faint);
  font: 9px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  transition: color 140ms ease;
}

.section-anchor:hover {
  color: var(--green);
}

.section-body h3 {
  margin: 38px 0 12px;
  font-size: 17px;
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1.35;
}

.section-body h3:first-child {
  margin-top: 0;
}

.section-body > p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

.section-body > p.lead-copy {
  color: var(--text);
  font-size: 18px;
  line-height: 1.67;
  letter-spacing: -0.008em;
}

.feature-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0 0 22px;
  padding: 0;
}

.feature-list li {
  position: relative;
  padding: 13px 16px 13px 39px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-elevated);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 20px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px rgba(20, 241, 149, 0.25);
}

.process-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 24px;
  padding: 1px;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--line);
}

.process-list li {
  min-height: 63px;
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 9px;
  align-items: center;
  padding: 12px 14px;
  background: var(--bg-elevated);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.step-number {
  color: var(--green);
  font: 700 10px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.note-card {
  position: relative;
  margin: 24px 0;
  padding: 21px 24px;
  border: 1px solid rgba(153, 69, 255, 0.24);
  border-radius: 10px;
  background: var(--purple-soft);
}

.note-card::before {
  content: "";
  position: absolute;
  inset: 18px auto 18px 0;
  width: 2px;
  background: var(--purple);
}

.note-card .note-label {
  color: color-mix(in srgb, var(--purple) 80%, var(--text));
}

.note-card p {
  margin: 8px 0 0;
  color: var(--text);
  font-size: 14px;
  line-height: 1.7;
}

.architecture-stack {
  display: grid;
  gap: 8px;
  margin: 26px 0 36px;
}

.layer-card {
  position: relative;
  display: grid;
  grid-template-columns: 74px 180px 1fr;
  gap: 16px;
  align-items: center;
  min-height: 72px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg-elevated);
}

.layer-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: var(--green);
  opacity: calc(1 - (var(--index, 0) * .15));
}

.layer-card:nth-child(2)::before { background: #3fe4bd; }
.layer-card:nth-child(3)::before { background: #748df1; }
.layer-card:nth-child(4)::before { background: var(--purple); }

.layer-card > span {
  color: var(--green);
  font: 700 10px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  text-transform: uppercase;
}

.layer-card strong {
  font-size: 13px;
}

.layer-card p {
  margin: 0;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.45;
}

.table-shell {
  width: 100%;
  overflow-x: auto;
  margin: 18px 0 28px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--bg-elevated);
}

table {
  width: 100%;
  min-width: 590px;
  border-collapse: collapse;
  table-layout: auto;
  font-size: 12px;
  line-height: 1.48;
}

th,
td {
  padding: 13px 15px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

th:last-child,
td:last-child {
  border-right: 0;
}

tbody tr:last-child td {
  border-bottom: 0;
}

th {
  background: var(--panel-strong);
  color: var(--text);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

td {
  color: var(--muted);
}

tbody tr:nth-child(even) td {
  background: color-mix(in srgb, var(--panel) 45%, transparent);
}

tbody tr:hover td {
  background: var(--green-soft);
  color: var(--text);
}

.page-rail {
  align-self: start;
  position: sticky;
  top: calc(var(--topbar) + 34px);
  display: grid;
  gap: 28px;
}

.rail-card {
  padding: 19px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--bg-elevated);
}

.rail-card > span,
.on-this-page p {
  color: var(--green);
  font: 700 9px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.rail-card strong {
  display: block;
  margin-top: 8px;
  font-size: 14px;
}

.rail-card p {
  margin: 8px 0 14px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

.rail-card a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 36px;
  padding: 0 11px;
  border-radius: 6px;
  background: var(--green);
  color: #06120e;
  font-size: 11px;
  font-weight: 750;
}

.rail-card svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.on-this-page {
  display: grid;
  gap: 7px;
  padding-left: 2px;
}

.on-this-page p {
  margin: 0 0 4px;
  color: var(--faint);
}

.on-this-page a {
  color: var(--muted);
  font-size: 11px;
  transition: color 140ms ease;
}

.on-this-page a:hover {
  color: var(--text);
}

.document-end {
  display: flex;
  justify-content: space-between;
  padding-top: 32px;
  color: var(--faint);
  font: 10px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.document-end a:hover {
  color: var(--green);
}

.search-dialog {
  width: min(680px, calc(100vw - 32px));
  max-height: min(620px, calc(100vh - 50px));
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  overflow: hidden;
  background: var(--bg-elevated);
  color: var(--text);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.45);
}

.search-dialog::backdrop {
  background: rgba(0, 8, 6, 0.67);
  backdrop-filter: blur(8px);
}

.search-head {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  gap: 12px;
  align-items: center;
  height: 62px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
}

.search-head svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: var(--green);
  stroke-width: 1.7;
  stroke-linecap: round;
}

.search-head input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 15px;
}

.search-head input::placeholder {
  color: var(--faint);
}

.search-close {
  padding: 5px 7px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: var(--panel);
  color: var(--faint);
  cursor: pointer;
  font: 9px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.search-results {
  min-height: 160px;
  max-height: 500px;
  overflow-y: auto;
  padding: 10px;
}

.search-empty {
  margin: 0;
  padding: 48px 20px;
  color: var(--faint);
  text-align: center;
  font-size: 12px;
}

.search-result {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px 13px;
  border-radius: 8px;
}

.search-result:hover,
.search-result:focus-visible {
  outline: 0;
  background: var(--green-soft);
}

.search-result > span {
  color: var(--green);
  font: 10px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.search-result div {
  display: grid;
  gap: 2px;
}

.search-result strong {
  font-size: 12px;
}

.search-result small {
  overflow: hidden;
  color: var(--muted);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.search-result > small {
  color: var(--faint);
  font: 9px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.copy-toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 180;
  padding: 10px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--panel-strong);
  color: var(--text);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
  font-size: 11px;
  box-shadow: var(--shadow);
}

.copy-toast.visible {
  opacity: 1;
  transform: translateY(0);
}

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

@media (max-width: 1180px) {
  .search-trigger {
    min-width: 40px;
    width: 40px;
    justify-content: center;
  }

  .search-trigger span,
  .search-trigger kbd {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 64px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-visual {
    width: min(100%, 760px);
  }

  .content-layout {
    grid-template-columns: minmax(0, 1fr) 210px;
    gap: 48px;
  }
}

@media (max-width: 960px) {
  :root {
    --sidebar: 254px;
  }

  .topbar {
    grid-template-columns: 1fr auto;
  }

  .brand {
    width: max-content;
    border-right: 0;
  }

  .topnav {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .sidebar {
    transform: translateX(-100%);
    transition: transform 180ms ease;
    box-shadow: 24px 0 70px rgba(0, 0, 0, 0.32);
  }

  body.nav-open {
    overflow: hidden;
  }

  body.nav-open .sidebar {
    transform: translateX(0);
  }

  .sidebar-scrim {
    position: fixed;
    inset: var(--topbar) 0 0;
    z-index: 70;
    background: rgba(0, 8, 6, 0.68);
  }

  body.nav-open .sidebar-scrim {
    display: block;
  }

  main {
    margin-left: 0;
  }

  .content-layout {
    max-width: 900px;
    grid-template-columns: 1fr;
  }

  .page-rail {
    display: none;
  }
}

@media (max-width: 720px) {
  :root {
    --topbar: 62px;
  }

  .brand {
    padding: 0 17px;
  }

  .brand small {
    display: none;
  }

  .top-actions {
    gap: 6px;
    padding-right: 12px;
  }

  .language-picker select {
    width: 84px;
    padding-right: 20px;
    padding-left: 29px;
    font-size: 10px;
  }

  .language-picker svg {
    left: 9px;
    width: 15px;
    height: 15px;
  }

  .language-picker::after {
    right: 8px;
  }

  .download-small {
    display: none;
  }

  .hero {
    min-height: auto;
    gap: 44px;
    padding: 58px 20px 48px;
  }

  .hero h1 {
    font-size: clamp(44px, 15vw, 64px);
  }

  .hero-copy > p {
    font-size: 15px;
  }

  .hero-visual {
    min-height: 390px;
  }

  .network-map {
    height: 278px;
  }

  .visual-stats {
    height: 66px;
  }

  .visual-stats div {
    padding: 0 9px;
  }

  .visual-stats strong {
    font-size: 9px;
  }

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

  .principles article {
    min-height: 105px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .principles article:last-child {
    border-bottom: 0;
  }

  .content-layout {
    padding: 64px 20px 90px;
  }

  .document-intro {
    padding-bottom: 48px;
  }

  .document-intro h2 {
    font-size: 40px;
  }

  .document-intro > p {
    font-size: 15px;
  }

  .doc-section {
    padding-top: 58px;
  }

  .section-header {
    display: block;
  }

  .section-anchor {
    display: none;
  }

  .section-header h2 {
    font-size: 30px;
  }

  .section-body > p.lead-copy {
    font-size: 16px;
  }

  .process-list {
    grid-template-columns: 1fr;
  }

  .layer-card {
    grid-template-columns: 64px 1fr;
  }

  .layer-card p {
    grid-column: 1 / -1;
    padding-left: 80px;
  }

  .document-end {
    gap: 18px;
    line-height: 1.5;
  }
}

@media (max-width: 420px) {
  .brand {
    padding-right: 10px;
    padding-left: 12px;
  }

  .brand > span:last-child {
    display: none;
  }
}

@media (max-width: 360px) {
  .brand {
    gap: 9px;
    padding-right: 10px;
    padding-left: 12px;
  }

  .top-actions {
    padding-right: 8px;
  }

  .theme-toggle {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .topbar,
  .sidebar,
  .page-rail,
  .hero-visual,
  .search-dialog,
  .reading-progress {
    display: none !important;
  }

  main {
    margin: 0;
  }

  .hero {
    min-height: 0;
    grid-template-columns: 1fr;
    padding: 40px;
  }

  .content-layout {
    display: block;
    max-width: none;
    padding: 40px;
  }
}