:root {
  color-scheme: light;
  --paper: #f7f8f2;
  --white: #fff;
  --ink: #24352e;
  --muted: #5e6b62;
  --green: #356449;
  --bright: #e7efdf;
  --line: #dce2d6;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
  --sans:
    Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  border: 0;
}
button:disabled {
  cursor: default;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid #426d4c;
  outline-offset: 4px;
}
button:focus:not(:focus-visible) {
  outline: 0;
}
img {
  display: block;
  max-width: 100%;
}
p,
h1,
h2,
h3 {
  margin: 0;
}
p {
  line-height: 1.8;
}
svg {
  display: block;
}
[hidden] {
  display: none !important;
}
::selection {
  background: #dce9ce;
}
.container {
  width: min(1280px, calc(100% - 96px));
  margin-inline: auto;
}
.sr-only {
  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 {
  position: fixed;
  top: 8px;
  left: 16px;
  transform: translateY(-160%);
  padding: 12px 24px;
  background: white;
  z-index: 100;
}
.skip-link:focus {
  transform: none;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #f7f8f2f2;
  backdrop-filter: blur(16px);
  border-bottom: 1px solid #e5e8de;
}
.header-inner {
  height: 82px;
  display: flex;
  align-items: center;
  gap: 30px;
}
.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-size: 21px;
  font-weight: 650;
  letter-spacing: -0.9px;
  white-space: nowrap;
}
.brand-period {
  color: #729462;
}
.desktop-nav {
  display: flex;
  gap: 30px;
  margin-left: auto;
  font-size: 13px;
  color: var(--muted);
}
.desktop-nav a:hover,
.text-link:hover {
  color: var(--green);
}
.header-actions {
  display: flex;
  gap: 20px;
  align-items: center;
}
.language-button {
  display: flex;
  gap: 6px;
  align-items: center;
  background: none;
  padding: 10px 2px;
  font-size: 12px;
}
.language-button > span:first-child {
  font-size: 22px;
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  padding: 15px 22px;
  border-radius: 9px;
  background: var(--ink);
  color: white;
  font-size: 14px;
  font-weight: 550;
  line-height: 1.4;
  transition:
    background 0.2s,
    transform 0.2s;
}
.button:hover {
  background: #3e5947;
  transform: translateY(-1px);
}
.button-small {
  padding: 11px 15px;
  font-size: 12px;
  gap: 16px;
}
.menu-toggle {
  display: none;
  background: transparent;
  width: 34px;
  height: 40px;
  padding: 7px;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--ink);
  margin: 6px 0;
}
.mobile-nav {
  padding-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  font-size: 14px;
}
.hero {
  padding-top: 75px;
  padding-bottom: 56px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: end;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 550;
  letter-spacing: 1px;
  line-height: 1.5;
}
.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  flex-shrink: 0;
  border-radius: 50%;
  background: #537849;
}
.hero h1 {
  font-size: clamp(40px, 4.7vw, 66px);
  line-height: 1.28;
  letter-spacing: -2.9px;
  font-weight: 550;
  margin-top: 19px;
}
.hero-accent {
  color: #618151;
}
.hero-intro {
  padding-bottom: 4px;
}
.hero-intro > p:first-child {
  max-width: 460px;
  font-size: 16px;
  line-height: 1.95;
  color: #566359;
}
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 26px;
}
.text-link {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.7;
}
.play-icon {
  font-size: 9px;
  border: 1px solid #c4ccbd;
  display: inline-grid;
  place-items: center;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  padding-left: 1px;
}
.hero-footnote {
  font-size: 11px;
  color: var(--muted);
  margin-top: 17px;
}
.walkthrough-section {
  padding-bottom: 76px;
}
.section-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin-bottom: 16px;
}
.section-kicker > p {
  font-size: 13px;
  display: flex;
  gap: 12px;
  align-items: center;
}
.section-number {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--muted);
}
.sample-badge {
  font-size: 10px;
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
}
.demo-shell {
  border: 1px solid #cfd8c5;
  border-radius: 15px;
  overflow: hidden;
  background: white;
  box-shadow: 0 15px 50px -24px #4e623b3b;
}
.demo-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 15px 23px;
  background: #fdfefb;
  border-bottom: 1px solid var(--line);
  min-height: 55px;
}
.workspace-name {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  font-weight: 550;
  min-width: 0;
}
.workspace-symbol {
  font-size: 24px;
  color: var(--green);
  line-height: 1;
}
.demo-meta {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-shrink: 0;
}
.engine-label {
  font-family: var(--mono);
  font-size: 10px;
  border: 1px solid var(--line);
  padding: 3px 7px;
  border-radius: 5px;
  color: var(--muted);
}
.reset-demo {
  display: flex;
  align-items: center;
  gap: 5px;
  background: none;
  font-size: 11px;
  padding: 6px 0;
  color: var(--muted);
}
.reset-demo:hover {
  color: var(--ink);
}
.reset-demo > span:first-child {
  font-size: 17px;
}
.step-nav {
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: thin;
  background: #f6f8f2;
  padding: 0 12px;
  gap: 6px;
}
.step-nav button {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  font-size: 11px;
  background: transparent;
  padding: 15px 8px;
  position: relative;
  min-height: 48px;
}
.step-nav button > span {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
}
.step-nav button[aria-current] {
  color: var(--green);
  font-weight: 650;
}
.step-nav button[aria-current]::after {
  content: "";
  height: 2px;
  background: #60834e;
  position: absolute;
  bottom: 0;
  left: 8px;
  right: 8px;
}
.step-nav button:hover {
  background: #edf2e6;
}
.demo-workspace {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 630px;
}
.conversation-pane {
  min-width: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  height: 658px;
  background: white;
}
.pane-heading {
  height: 43px;
  flex-shrink: 0;
  border-bottom: 1px solid #edf0e8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 0 23px;
  font-size: 11px;
  color: var(--muted);
}
.selection-label {
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 4px;
  background: #f1f4eb;
  max-width: 70%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #536543;
}
.conversation-scroll {
  padding: 23px;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #cfd8c5 transparent;
}
.user-message {
  padding: 15px 18px;
  background: #f1f3ee;
  border-radius: 11px 11px 3px 11px;
  margin-left: 20px;
}
.message-label {
  font-size: 10px;
  display: block;
  color: var(--muted);
  margin-bottom: 5px;
}
.user-message p {
  font-size: 13px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}
.assistant-message {
  margin-top: 24px;
}
.assistant-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  color: var(--muted);
  margin-bottom: 14px;
}
.assistant-icon {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  color: var(--green);
  background: #edf3e6;
  font-size: 21px;
}
.message-state {
  margin-left: auto;
  font-size: 10px;
}
.message-state.is-running {
  color: #8b642f;
}
.answer-body {
  font-size: 13px;
  line-height: 1.85;
}
.answer-body > p {
  margin-bottom: 14px;
}
.answer-points {
  display: grid;
  gap: 6px;
}
.answer-point {
  display: flex;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: #f8f9f5;
}
.point-highlight {
  border-color: #a9bd97;
  background: #f1f6e9;
}
.point-number {
  font-family: var(--mono);
  font-size: 10px;
  color: #62734c;
  padding-top: 3px;
}
.answer-point strong {
  font-size: 12px;
  font-weight: 600;
}
.answer-point p {
  font-size: 11px;
  line-height: 1.75;
  color: #586557;
  margin-top: 2px;
}
.answer-body .excerpt-note {
  font-size: 10px;
  color: var(--muted);
  margin-top: 12px;
  line-height: 1.7;
}
.composer {
  margin: 0 20px 20px;
  border: 1px solid #b8c7a9;
  border-radius: 10px;
  background: #fbfdf7;
  padding: 13px 15px;
  box-shadow: 0 2px 8px #3e5a2110;
  flex-shrink: 0;
}
.draft-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
  color: #65745c;
  margin-bottom: 7px;
}
.draft-text {
  font-size: 12px;
  line-height: 1.8;
  color: #475442;
  overflow-wrap: anywhere;
}
.demo-action {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  padding: 10px 13px;
  border-radius: 6px;
  background: #365b40;
  color: white;
  font-size: 12px;
  font-weight: 550;
  line-height: 1.5;
  min-height: 40px;
  transition: background 0.2s;
}
.demo-action:hover {
  background: #22412c;
}
.demo-action > span:last-child {
  font-size: 19px;
  line-height: 1;
}
.composer-note {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.8;
}
.tree-pane {
  min-width: 0;
  background: #f9fbf5;
  display: flex;
  flex-direction: column;
  height: 658px;
  overflow-y: auto;
  scrollbar-width: thin;
}
.tree-status {
  font-size: 10px;
}
.tree-map {
  position: relative;
  flex: none;
  height: 365px;
  isolation: isolate;
  background-image: radial-gradient(#d7dfcd 1px, transparent 1px);
  background-size: 18px 18px;
  background-position: center 10px;
  margin: 0 10px;
  overflow: hidden;
}
.tree-map[data-count="8"] {
  height: 420px;
}
.tree-wires {
  position: absolute;
  width: 100%;
  height: 100%;
  inset: 0;
  z-index: -1;
  overflow: visible;
}
.tree-wires path {
  stroke: #c4cdbd;
  stroke-width: 1.5;
  fill: none;
}
.tree-wires .wire-active {
  stroke: #779559;
  stroke-width: 2;
}
.tree-wires .wire-reference {
  stroke: #8c9b78;
  stroke-width: 1.3;
  stroke-dasharray: 4 5;
}
.tree-node {
  position: absolute;
  width: 28.5%;
  left: 50%;
  transform: translateX(-50%);
  text-align: left;
  border: 1px solid #d4ddca;
  border-radius: 8px;
  padding: 10px 11px;
  background: #fff;
  box-shadow: 0 3px 8px #33442805;
  transition:
    box-shadow 0.18s,
    border-color 0.18s,
    background 0.18s;
  animation: appear 0.25s ease;
}
.tree-node:hover {
  border-color: #879f72;
  box-shadow: 0 3px 12px #445e3020;
}
.tree-node.is-selected {
  background: #f2f7e9;
  border-color: #688849;
  box-shadow: 0 0 0 2px #73955022;
}
.tree-node.is-target {
  box-shadow: 0 0 0 4px #b9cc974a;
  border-color: #73904e;
}
.tree-node.is-running {
  border-color: #d2bb8f;
}
.tree-node strong {
  display: block;
  font-size: 12px;
  font-weight: 550;
  line-height: 1.6;
  margin-top: 6px;
  overflow-wrap: anywhere;
}
.node-meta {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 9px;
  line-height: 1.5;
  color: #67735f;
}
.node-status-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #84936e;
  flex: none;
}
.is-running .node-status-dot {
  background: #ab7c2d;
  animation: pulse 1.7s ease-in-out infinite;
}
.node-check {
  margin-left: auto;
  color: #4f7138;
}
.node-token {
  font-family: var(--mono);
  display: block;
  font-size: 10px;
  line-height: 1.5;
  color: #536646;
  margin-top: 6px;
}
.node-token > span {
  font-family: var(--sans);
  font-size: 9px;
  color: #66755c;
}
.node-root {
  top: 24px;
  width: 56%;
}
.node-root strong {
  font-size: 13px;
}
.node-a,
.node-b,
.node-c {
  top: 140px;
}
.node-a,
.node-a2 {
  left: 17%;
}
.node-b,
.node-b2 {
  left: 50%;
}
.node-c,
.node-c2 {
  left: 83%;
}
.node-a2,
.node-b2,
.node-c2 {
  top: 250px;
}
.node-notes {
  top: 351px;
  width: 51%;
  left: 50%;
  padding-block: 8px;
}
.node-notes strong {
  margin-top: 3px;
}
.tree-map[data-count="1"] .node-root,
.tree-map[data-count="2"] .node-root,
.tree-map[data-count="3"] .node-root {
  top: 42px;
}
.tree-map[data-count="2"] .node-a {
  left: 50%;
  width: 56%;
  top: 209px;
}
.tree-map[data-count="3"] .node-a {
  left: 25%;
  width: 40%;
  top: 218px;
}
.tree-map[data-count="3"] .node-b {
  left: 75%;
  width: 40%;
  top: 218px;
}
.tree-empty {
  position: absolute;
  top: 183px;
  left: 20%;
  right: 20%;
  text-align: center;
  color: var(--muted);
}
.tree-empty > span {
  display: block;
  font-size: 43px;
  font-weight: 200;
  line-height: 1;
  color: #acba9e;
  margin-bottom: 16px;
}
.tree-empty > p {
  font-size: 12px;
}
.root-hint {
  position: absolute;
  top: 157px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  white-space: nowrap;
  color: #507035;
  background: #edf4e2;
  padding: 7px 11px;
  border-radius: 5px;
}
.tree-key {
  position: absolute;
  bottom: 1px;
  left: 12px;
  right: 12px;
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  color: var(--muted);
}
.tree-inspector {
  margin: 10px 21px 20px;
  padding: 15px 17px;
  background: #f0f4e9;
  border: 1px solid #dce5d1;
  border-radius: 9px;
  min-height: 151px;
}
.inspector-label {
  display: flex;
  gap: 6px;
  align-items: center;
  font-size: 10px;
  color: #50643d;
  margin-bottom: 8px;
}
.inspector-label > span:first-child {
  font-size: 18px;
  line-height: 1;
}
.excerpt-tag {
  font-size: 8px;
  margin-left: auto;
  max-width: 48%;
  text-align: right;
  line-height: 1.6;
  color: var(--muted);
}
.tree-inspector > p {
  font-size: 11px;
  line-height: 1.85;
  color: #536149;
}
.inspector-path {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid #dbe4d0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.inspector-path > span {
  font-size: 9px;
  color: var(--muted);
}
.inspector-path > strong {
  font-size: 10px;
  font-weight: 500;
  line-height: 1.6;
}
.guide-bar {
  display: flex;
  align-items: center;
  gap: 17px;
  padding: 18px 25px;
  background: #edf3e3;
  border-top: 1px solid #d7e2c9;
  min-height: 100px;
}
.guide-step {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid #bfcdae;
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 13px;
  color: #54733d;
  flex-shrink: 0;
}
.guide-copy {
  flex: 1;
}
.guide-copy h2 {
  font-size: 16px;
  line-height: 1.5;
  font-weight: 550;
}
.guide-copy p {
  font-size: 12px;
  line-height: 1.85;
  color: #55654a;
  margin-top: 4px;
}
.guide-back {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 0 10px 15px;
  background: none;
  font-size: 11px;
  white-space: nowrap;
  color: #516545;
}
.demo-footnote {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 15px;
  font-size: 10px;
  color: var(--muted);
  line-height: 1.8;
}
.demo-footnote .text-link {
  font-size: 10px;
  white-space: nowrap;
}
.working-answer {
  font-size: 13px;
  line-height: 1.8;
}
.working-lines {
  display: grid;
  gap: 11px;
  margin-top: 30px;
}
.working-lines i {
  display: block;
  width: 100%;
  height: 8px;
  background: linear-gradient(90deg, #edf0e7, #dfe6d6, #edf0e7);
  background-size: 200% 100%;
  border-radius: 3px;
  animation: shimmer 2.5s linear infinite;
}
.working-lines i:nth-child(2) {
  width: 87%;
}
.working-lines i:nth-child(3) {
  width: 65%;
}
.working-hint {
  font-size: 11px;
  margin-top: 32px;
  border-left: 2px solid #a5b883;
  padding-left: 13px;
  color: #627153;
}
.structure-diagram,
.formula-card {
  padding: 18px 10px;
  text-align: center;
  background: #f4f7ed;
  border-radius: 7px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.9;
  margin: 16px 0;
  color: #4e693a;
}
.structure-diagram > span {
  font-family: var(--sans);
  font-size: 10px;
  color: var(--muted);
}
.formula-card {
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  gap: 8px;
}
.evidence-note {
  border-left: 2px solid #adc195;
  background: #f7f9f2;
  font-size: 11px;
  padding: 12px 16px;
  margin-top: 18px;
  color: #596e45;
}
.evidence-note > span {
  margin-right: 6px;
}
.comparison-preview {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  margin: 18px 0;
  border: 1px solid #dce4d3;
  border-radius: 6px;
  overflow: hidden;
  font-size: 10px;
}
.comparison-preview > * {
  padding: 8px 10px;
  border-bottom: 1px solid #e3e9dc;
}
.comparison-preview > *:nth-child(-n + 2) {
  background: #f1f5e9;
  color: var(--muted);
  font-size: 10px;
}
.comparison-preview > *:nth-last-child(-n + 2) {
  border-bottom: 0;
}
.comparison-preview strong {
  font-weight: 500;
}
.cache-inspector {
  margin-top: 0;
  padding: 13px 16px;
  min-height: 0;
}
.metric-tabs {
  display: flex;
  gap: 3px;
  padding: 3px;
  border: 1px solid #d8e1cd;
  border-radius: 6px;
  max-width: max-content;
  margin-bottom: 12px;
  background: #e8eedf;
}
.metric-tabs button {
  background: none;
  padding: 5px 10px;
  font-size: 10px;
  border-radius: 4px;
  color: #58664c;
}
.metric-tabs button[aria-pressed="true"] {
  background: white;
  box-shadow: 0 1px 3px #32422115;
  color: #354a28;
}
.cache-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.cache-summary > div > span {
  font-size: 10px;
  color: #5e6d52;
  display: block;
}
.cache-summary strong {
  display: block;
  font-size: 34px;
  line-height: 1.5;
  letter-spacing: -1.5px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.cache-summary small {
  font-size: 16px;
  margin-left: 3px;
}
.cache-proof {
  font-size: 9px;
  max-width: 120px;
  color: #5b6a4e;
  text-align: right;
  line-height: 1.6;
}
.usage-values {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-top: 1px solid #d9e2cd;
  margin-top: 6px;
  padding-top: 9px;
  gap: 10px;
}
.usage-values > div > span {
  display: block;
  color: #5d6b50;
  font-size: 9px;
}
.usage-values strong {
  display: block;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 14px;
  margin-top: 5px;
}
.tree-inspector .cache-scope {
  font-size: 9px;
  margin-top: 10px;
  line-height: 1.65;
}
.tree-inspector .cache-explanation {
  font-size: 9px;
  color: #5f6d55;
  line-height: 1.6;
  margin-top: 6px;
}
.demo-shell[data-stage="5"] .tree-map {
  height: 340px;
}
.demo-shell[data-stage="5"] .node-root {
  top: 18px;
}
.demo-shell[data-stage="5"] .node-a,
.demo-shell[data-stage="5"] .node-b,
.demo-shell[data-stage="5"] .node-c {
  top: 123px;
}
.demo-shell[data-stage="5"] .node-a2,
.demo-shell[data-stage="5"] .node-b2,
.demo-shell[data-stage="5"] .node-c2 {
  top: 226px;
}
.read-sources {
  display: inline-flex;
  gap: 6px;
  padding: 4px 8px;
  font-size: 10px;
  color: #5c7146;
  background: #f1f6e9;
  border-radius: 4px;
  margin-bottom: 15px;
}
.answer-body h3 {
  font-size: 17px;
  font-weight: 550;
  line-height: 1.5;
  margin-bottom: 10px;
}
.notes-outline {
  padding-left: 22px;
  margin: 14px 0 20px;
  line-height: 2;
  font-size: 12px;
}
.notes-outline li::marker {
  color: #6d8755;
}
.document-card {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 11px;
  border: 1px solid #cfdbbf;
  background: #f8fbf2;
  padding: 12px;
  border-radius: 7px;
  text-align: left;
  line-height: 1.6;
}
.document-card > span:nth-child(2) {
  flex: 1;
  min-width: 0;
}
.document-card strong {
  display: block;
  font-size: 12px;
  font-weight: 550;
}
.document-card small {
  display: block;
  font-family: var(--mono);
  font-size: 9px;
  overflow-wrap: anywhere;
  color: var(--muted);
  margin-top: 3px;
}
.document-icon {
  font-size: 26px;
  color: #6a8652;
}
.document-card:hover {
  background: #edf5e3;
}
.video-section {
  padding: 74px 0 76px;
  background: #e9eedf;
  border-block: 1px solid #dce4d1;
}
.video-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.5fr;
  gap: 68px;
  align-items: center;
}
.video-copy h2 {
  font-size: 34px;
  line-height: 1.5;
  letter-spacing: -1.4px;
  margin-top: 19px;
  font-weight: 550;
}
.video-copy > p:not(.eyebrow) {
  font-size: 13px;
  line-height: 1.9;
  color: #5c6c51;
  margin-top: 16px;
}
.video-chapters {
  display: grid;
  margin-top: 25px;
}
.video-chapters button {
  display: flex;
  align-items: center;
  gap: 11px;
  background: none;
  border-top: 1px solid #d0dac4;
  padding: 12px 0;
  text-align: left;
  font-size: 11px;
  color: #4f6143;
  line-height: 1.6;
}
.video-chapters button > span:first-child {
  font-family: var(--mono);
  font-size: 10px;
  color: #586b49;
}
.video-chapters button > span:nth-child(2) {
  flex: 1;
}
.video-chapters button:hover,
.video-chapters button[aria-pressed="true"] {
  color: #253b1d;
}
.video-chapters button:hover > span:last-child {
  transform: translate(2px, -2px);
}
.video-column {
  min-width: 0;
}
.video-frame {
  padding: 8px;
  border: 1px solid #c7d4bb;
  border-radius: 13px;
  background: #fdfefa;
  box-shadow: 0 15px 40px -20px #43562d44;
}
.video-stage {
  position: relative;
  width: 100%;
  min-width: 0;
  aspect-ratio: 16/9;
  background: #f4f6ef;
  border-radius: 7px;
  overflow: hidden;
  min-height: 200px;
}
.video-stage iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.video-poster {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-play {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: 13px;
  justify-content: center;
  align-items: center;
  background: #f1f4e540;
  color: #2f4427;
  font-size: 11px;
}
.large-play {
  display: grid;
  place-items: center;
  padding-left: 5px;
  width: 64px;
  height: 64px;
  background: #35563f;
  color: white;
  border-radius: 50%;
  font-size: 22px;
  box-shadow: 0 5px 18px #283c2740;
  transition: transform 0.2s;
}
.video-play:hover .large-play {
  transform: scale(1.06);
}
.video-play > span:last-child {
  padding: 6px 12px;
  border-radius: 20px;
  background: #fafcf4eb;
  box-shadow: 0 1px 10px #ffffff80;
}
.video-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 14px;
  font-size: 10px;
  line-height: 1.8;
  color: #5d6c51;
}
.video-caption .text-link {
  font-size: 10px;
  white-space: nowrap;
}
.video-load-status {
  font-size: 11px;
  margin-top: 12px;
  color: #5a624f;
}
.access-section {
  padding-top: 82px;
  padding-bottom: 70px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 100px;
  align-items: center;
}
.access-intro h2 {
  font-size: 29px;
  line-height: 1.5;
  letter-spacing: -1px;
  font-weight: 550;
  margin-top: 18px;
}
.capability-list {
  display: flex;
  gap: 24px;
  margin-top: 24px;
  font-size: 12px;
}
.capability-list > span {
  display: flex;
  gap: 7px;
  align-items: center;
}
.capability-list > span > span:first-child {
  font-size: 17px;
  color: #68834f;
}
.access-intro > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.9;
  margin-top: 15px;
}
.release-box {
  border: 1px solid #d3ddc8;
  padding: 16px 18px;
  background: #f0f4e9;
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: 10px;
  margin-top: 26px;
}
.release-box > div {
  flex: 1;
  min-width: 0;
}
.release-box strong {
  font-size: 13px;
  display: block;
  line-height: 1.7;
  font-weight: 550;
}
.platform-label {
  font-size: 10px;
  color: var(--muted);
  font-weight: 400;
  margin-left: 4px;
  white-space: nowrap;
}
#release-status {
  display: block;
  font-size: 10px;
  color: var(--muted);
  line-height: 1.8;
  margin-top: 2px;
}
.faq-list details {
  border-bottom: 1px solid var(--line);
}
.faq-list details:first-child {
  border-top: 1px solid var(--line);
}
.faq-list summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  font-size: 13px;
  padding: 22px 0;
  cursor: pointer;
  line-height: 1.7;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-plus {
  width: 13px;
  height: 13px;
  position: relative;
  flex: none;
}
.faq-plus::before,
.faq-plus::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  width: 12px;
  height: 1px;
  background: #718261;
}
.faq-plus::after {
  transform: rotate(90deg);
  transition: transform 0.15s;
}
.faq-list details[open] .faq-plus::after {
  transform: rotate(0);
}
.faq-list details p {
  font-size: 12px;
  line-height: 1.95;
  color: var(--muted);
  padding-bottom: 20px;
}
.site-footer {
  display: flex;
  gap: 24px;
  justify-content: space-between;
  align-items: center;
  min-height: 99px;
  border-top: 1px solid var(--line);
}
.site-footer .brand {
  font-size: 15px;
  letter-spacing: -0.6px;
}
.site-footer > span {
  font-size: 10px;
  color: var(--muted);
}
.site-footer .text-link {
  font-size: 10px;
}
.notes-dialog {
  width: min(680px, calc(100% - 32px));
  max-height: 85dvh;
  padding: 0;
  border: 1px solid #c8d3bd;
  border-radius: 14px;
  color: var(--ink);
  background: #fcfdf8;
  box-shadow: 0 30px 100px #1d331f3b;
  overflow-y: auto;
}
.notes-dialog::backdrop {
  background: #293b2680;
  backdrop-filter: blur(5px);
}
.dialog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: #f5f8ef;
  z-index: 1;
}
.file-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  overflow-wrap: anywhere;
}
.icon-button {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 7px;
  background: #eaf0e1;
  font-size: 23px;
  font-weight: 300;
}
.icon-button:hover {
  background: #dfe9d2;
}
#notes-content {
  padding: 30px;
}
#notes-content > .eyebrow {
  font-size: 10px;
  color: #5f7649;
}
#notes-content h2 {
  font-size: 25px;
  line-height: 1.4;
  font-weight: 550;
  margin: 15px 0;
}
#notes-content > p {
  font-size: 12px;
  color: var(--muted);
}
#notes-content h3 {
  font-size: 15px;
  font-weight: 550;
  margin: 30px 0 15px;
}
.source-list {
  display: grid;
  gap: 16px;
}
.source-list > div {
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}
.source-list strong {
  font-size: 12px;
  font-weight: 550;
}
.source-list p {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.9;
  margin-top: 5px;
}
#notes-content .notes-source {
  font-size: 10px;
  margin-top: 25px;
}
.dialog-footer {
  padding: 17px 25px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  bottom: 0;
  background: #f7faf1;
}
.dialog-footer .button {
  padding: 11px 15px;
  font-size: 11px;
}
.dialog-footer > span {
  font-size: 9px;
  line-height: 1.7;
  color: var(--muted);
}
.noscript-note {
  border: 1px solid var(--line);
  padding: 20px;
  font-size: 14px;
}
.noscript-note a {
  text-decoration: underline;
}
.section-space {
  padding-block: 100px;
}
@keyframes appear {
  from {
    opacity: 0.3;
  }
  to {
    opacity: 1;
  }
}
@keyframes pulse {
  50% {
    opacity: 0.4;
  }
}
@keyframes shimmer {
  to {
    background-position: -200% 0;
  }
}
@media (min-width: 1500px) {
  .hero {
    padding-top: 90px;
    padding-bottom: 64px;
  }
}
@media (max-width: 1100px) {
  .container {
    width: calc(100% - 64px);
  }
  .header-inner {
    gap: 24px;
  }
  .desktop-nav {
    gap: 19px;
  }
  .header-actions {
    gap: 15px;
  }
  .hero {
    gap: 35px;
  }
  .hero h1 {
    font-size: 47px;
  }
  .hero-intro > p:first-child {
    font-size: 14px;
  }
  .hero-actions {
    gap: 17px;
  }
  .hero-actions .text-link {
    font-size: 11px;
  }
  .step-nav {
    gap: 0;
    padding-inline: 7px;
  }
  .step-nav button {
    gap: 5px;
    font-size: 10px;
    padding-inline: 5px;
  }
  .conversation-scroll {
    padding: 18px;
  }
  .user-message {
    margin-left: 0;
    padding: 13px;
  }
  .composer {
    margin-inline: 15px;
  }
  .tree-node {
    padding: 9px 8px;
  }
  .tree-node strong {
    font-size: 11px;
  }
  .node-root strong {
    font-size: 12px;
  }
  .node-token > span {
    font-size: 8px;
  }
  .tree-inspector {
    margin-inline: 15px;
    padding-inline: 13px;
  }
  .excerpt-tag {
    display: none;
  }
  .video-grid {
    gap: 35px;
    grid-template-columns: 0.8fr 1.4fr;
  }
  .video-copy h2 {
    font-size: 29px;
  }
  .access-section {
    gap: 60px;
  }
  .access-intro h2 {
    font-size: 26px;
  }
}
@media (max-width: 800px) {
  .container {
    width: calc(100% - 40px);
  }
  .header-inner {
    height: 70px;
    gap: 16px;
  }
  .brand {
    font-size: 19px;
  }
  .brand img {
    width: 32px;
    height: 32px;
  }
  .desktop-nav {
    display: none;
  }
  .header-actions {
    margin-left: auto;
    gap: 17px;
  }
  .header-actions > .button {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 46px;
    padding-bottom: 39px;
    gap: 24px;
  }
  .hero h1 {
    font-size: 52px;
    letter-spacing: -2px;
    line-height: 1.3;
    margin-top: 17px;
  }
  .hero-intro > p:first-child {
    max-width: 550px;
    font-size: 14px;
    line-height: 1.9;
  }
  .hero-actions {
    margin-top: 20px;
    gap: 24px;
  }
  .hero-footnote {
    margin-top: 14px;
  }
  .section-kicker {
    align-items: flex-start;
    gap: 7px;
    flex-direction: column;
  }
  .section-kicker > p {
    font-size: 12px;
  }
  .sample-badge {
    margin-left: 26px;
    font-size: 9px;
  }
  .demo-shell {
    display: flex;
    flex-direction: column;
    border-radius: 12px;
  }
  .demo-topbar {
    order: 0;
    padding: 13px 16px;
  }
  .workspace-name {
    font-size: 12px;
  }
  .demo-meta {
    gap: 12px;
  }
  .engine-label {
    display: none;
  }
  .step-nav {
    order: 1;
    justify-content: flex-start;
    padding: 0 8px;
  }
  .step-nav button {
    flex: 0 0 auto;
    padding: 12px 10px;
    gap: 6px;
  }
  .guide-bar {
    order: 2;
    border-top: 0;
    border-bottom: 1px solid #d7e2c9;
    padding: 14px 17px;
    gap: 12px;
    min-height: 105px;
  }
  .guide-step {
    width: 29px;
    height: 29px;
    font-size: 10px;
    align-self: flex-start;
    margin-top: 1px;
  }
  .guide-copy h2 {
    font-size: 14px;
  }
  .guide-copy p {
    font-size: 11px;
    line-height: 1.8;
  }
  .guide-back {
    align-self: flex-start;
    font-size: 10px;
    padding: 6px 0;
  }
  .guide-back > span:last-child {
    display: none;
  }
  .demo-workspace {
    order: 3;
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .conversation-pane {
    height: auto;
    min-height: 535px;
    max-height: 620px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .conversation-scroll {
    padding: 19px 20px;
    max-height: 440px;
    min-height: 230px;
  }
  .pane-heading {
    padding: 0 20px;
  }
  .composer {
    margin: 0 17px 18px;
    padding: 12px 13px;
  }
  .tree-pane {
    height: auto;
    overflow: visible;
    max-height: none;
  }
  .tree-map {
    height: 350px;
    margin-inline: 15px;
  }
  .tree-node {
    width: 28%;
    padding: 10px 11px;
  }
  .tree-node strong {
    font-size: 12px;
  }
  .node-root {
    width: 55%;
  }
  .node-root strong {
    font-size: 13px;
  }
  .node-token > span {
    font-size: 9px;
  }
  .node-a,
  .node-b,
  .node-c {
    top: 131px;
  }
  .node-a2,
  .node-b2,
  .node-c2 {
    top: 239px;
  }
  .tree-inspector {
    margin: 0 20px 19px;
    min-height: 0;
    padding: 15px 17px;
  }
  .inspector-path {
    margin-top: 12px;
  }
  .cache-inspector {
    margin-top: 0;
  }
  .cache-summary strong {
    font-size: 36px;
  }
  .tree-inspector .cache-explanation {
    font-size: 10px;
  }
  .tree-map[data-count="1"] {
    height: 273px;
  }
  .tree-map[data-count="2"],
  .tree-map[data-count="3"] {
    height: 335px;
  }
  .tree-empty {
    top: 163px;
  }
  .tree-empty > span {
    font-size: 32px;
    margin-bottom: 12px;
  }
  .tree-map[data-count="8"] {
    height: 421px;
  }
  .demo-footnote {
    flex-direction: column;
    gap: 8px;
  }
  .walkthrough-section {
    padding-bottom: 43px;
  }
  .video-section {
    padding-block: 44px;
  }
  .video-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .video-copy h2 {
    font-size: 30px;
    margin-top: 15px;
  }
  .video-copy h2 br {
    display: none;
  }
  .video-copy h2 > span + span {
    margin-left: 8px;
  }
  .video-copy > p:not(.eyebrow) {
    font-size: 12px;
    margin-top: 12px;
    max-width: 550px;
  }
  .video-chapters {
    grid-template-columns: 1fr 1fr;
    column-gap: 25px;
    margin-top: 21px;
  }
  .video-chapters button {
    font-size: 10px;
    gap: 8px;
  }
  .video-stage {
    min-height: 200px;
  }
  .video-caption {
    font-size: 9px;
  }
  .access-section {
    padding-block: 48px;
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .access-intro h2 {
    font-size: 27px;
  }
  .capability-list {
    margin-top: 22px;
  }
  .release-box {
    max-width: 580px;
  }
  .faq-list summary {
    padding-block: 20px;
    font-size: 12px;
  }
  .site-footer {
    min-height: 90px;
    gap: 15px;
    flex-wrap: wrap;
    padding-block: 22px;
  }
  .site-footer .brand {
    font-size: 13px;
  }
  .site-footer > span {
    font-size: 9px;
  }
  .site-footer .text-link {
    font-size: 9px;
  }
}
@media (max-width: 420px) {
  .container {
    width: calc(100% - 28px);
  }
  .header-inner {
    gap: 12px;
    height: 64px;
  }
  .brand {
    font-size: 17px;
    gap: 7px;
  }
  .brand img {
    width: 29px;
    height: 29px;
  }
  .header-actions {
    gap: 11px;
  }
  .language-button {
    font-size: 10px;
  }
  .hero {
    padding-top: 34px;
    gap: 22px;
  }
  .hero h1 {
    font-size: 40px;
    letter-spacing: -1.6px;
  }
  .hero-intro > p:first-child {
    font-size: 13px;
  }
  .hero-actions {
    gap: 15px;
  }
  .hero-actions .button {
    font-size: 12px;
    padding: 13px 15px;
    gap: 18px;
  }
  .hero-actions .text-link {
    font-size: 10px;
  }
  .hero-footnote {
    font-size: 10px;
  }
  .eyebrow {
    font-size: 10px;
  }
  .section-kicker > p {
    font-size: 11px;
    gap: 9px;
  }
  .section-kicker .section-number {
    font-size: 9px;
  }
  .sample-badge {
    margin-left: 22px;
    font-size: 8px;
  }
  .demo-topbar {
    padding: 12px;
  }
  .workspace-name {
    font-size: 11px;
    gap: 6px;
  }
  .workspace-symbol {
    font-size: 22px;
  }
  .reset-demo {
    font-size: 10px;
  }
  .demo-meta {
    gap: 0;
  }
  .guide-bar {
    padding: 13px 12px;
    gap: 9px;
  }
  .guide-copy h2 {
    font-size: 13px;
  }
  .guide-copy p {
    font-size: 10px;
  }
  .guide-step {
    width: 26px;
    height: 26px;
  }
  .guide-back {
    padding-left: 0;
  }
  .conversation-scroll {
    padding: 18px 15px;
  }
  .pane-heading {
    padding: 0 15px;
  }
  .user-message p {
    font-size: 12px;
  }
  .answer-body {
    font-size: 12px;
  }
  .answer-point {
    padding: 8px 9px;
    gap: 10px;
  }
  .answer-point p {
    font-size: 10px;
  }
  .answer-point strong {
    font-size: 11px;
  }
  .composer {
    margin-inline: 12px;
  }
  .draft-text {
    font-size: 11px;
  }
  .tree-map {
    margin-inline: 6px;
  }
  .tree-node {
    padding: 8px 7px;
    width: 29.5%;
  }
  .tree-node strong {
    font-size: 10px;
    line-height: 1.65;
  }
  .node-root {
    width: 64%;
  }
  .node-root strong {
    font-size: 12px;
  }
  .node-meta {
    font-size: 8px;
    gap: 3px;
  }
  .node-token {
    font-size: 9px;
  }
  .node-token > span {
    font-size: 7px;
  }
  .tree-map[data-count="2"] .node-a {
    width: 57%;
  }
  .tree-map[data-count="3"] .node-a,
  .tree-map[data-count="3"] .node-b {
    width: 42%;
  }
  .tree-inspector {
    margin-inline: 12px;
    padding: 13px;
  }
  .tree-inspector > p {
    font-size: 10px;
  }
  .tree-inspector .cache-scope {
    font-size: 8px;
  }
  .tree-inspector .cache-explanation {
    font-size: 9px;
  }
  .cache-proof {
    font-size: 8px;
    max-width: 90px;
  }
  .usage-values strong {
    font-size: 13px;
  }
  .node-notes {
    width: 56%;
    top: 350px;
  }
  .tree-key {
    font-size: 8px;
    left: 5px;
    right: 5px;
  }
  .video-copy h2 {
    font-size: 26px;
  }
  .video-chapters {
    column-gap: 17px;
  }
  .video-chapters button {
    font-size: 9px;
    gap: 6px;
  }
  .video-chapters button > span:first-child {
    font-size: 8px;
  }
  .video-chapters button > span:last-child {
    display: none;
  }
  .video-frame {
    padding: 5px;
    border-radius: 9px;
  }
  .video-stage {
    border-radius: 5px;
  }
  .video-caption {
    align-items: flex-start;
    gap: 10px;
  }
  .video-caption > span {
    max-width: 55%;
    font-size: 9px;
  }
  .video-caption .text-link {
    font-size: 9px;
  }
  .access-intro h2 {
    font-size: 24px;
  }
  .capability-list {
    gap: 20px;
    font-size: 11px;
  }
  .release-box {
    padding: 13px;
    gap: 10px;
  }
  .release-box > img {
    width: 37px;
    height: 37px;
  }
  .release-box strong {
    font-size: 12px;
  }
  .platform-label {
    font-size: 9px;
  }
  .release-box .button {
    font-size: 9px;
    padding: 9px;
    gap: 7px;
  }
  .site-footer .brand {
    width: 100%;
  }
  .notes-dialog {
    max-height: 90dvh;
  }
  .dialog-toolbar {
    padding: 9px 14px;
  }
  #notes-content {
    padding: 22px;
  }
  #notes-content h2 {
    font-size: 22px;
  }
  .dialog-footer {
    padding: 14px;
    gap: 12px;
  }
  .dialog-footer .button {
    font-size: 10px;
    gap: 9px;
  }
  .dialog-footer > span {
    font-size: 8px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 340px) {
  .tree-map[data-count="7"] {
    height: 383px;
  }
  .demo-shell[data-stage="5"] .tree-map {
    height: 366px;
  }
  .tree-map[data-count="8"] {
    height: 461px;
  }
  .node-notes {
    top: 389px;
  }
}

.video-stage video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #f4f6ef;
}
.video-retry {
  background: transparent;
  padding: 8px 0;
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.maker-section {
  padding-bottom: 45px;
}
.maker-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 25px;
  background: #f0f4e9;
  border: 1px solid #d8e1ce;
  border-radius: 12px;
  transition:
    background 0.2s,
    border-color 0.2s;
}
.maker-card:hover {
  background: #eaf1e1;
  border-color: #b4c5a1;
}
.maker-card > img {
  border-radius: 50%;
  flex: none;
  object-fit: cover;
  border: 3px solid #fff;
  box-shadow: 0 2px 7px #34562915;
}
.maker-copy {
  flex: 1;
  min-width: 0;
}
.maker-copy > strong {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 11px;
  font-size: 14px;
  font-weight: 550;
  line-height: 1.8;
}
.maker-handle {
  font-size: 11px;
  color: #607154;
  font-weight: 400;
}
.maker-copy > span {
  display: block;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.8;
  margin-top: 3px;
}
.maker-follow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-size: 11px;
  white-space: nowrap;
  border: 1px solid #c8d5bb;
  padding: 10px 13px;
  border-radius: 7px;
  background: #fafcf5;
}
@media (max-width: 600px) {
  .maker-section {
    padding-bottom: 30px;
  }
  .maker-card {
    padding: 18px 16px;
    gap: 12px;
    flex-wrap: wrap;
  }
  .maker-card > img {
    width: 45px;
    height: 45px;
  }
  .maker-copy {
    min-width: calc(100% - 60px);
  }
  .maker-copy > strong {
    font-size: 13px;
    gap: 8px;
  }
  .maker-copy > span {
    font-size: 10px;
  }
  .maker-follow {
    margin-left: 57px;
    font-size: 10px;
    padding: 8px 12px;
  }
}

/* Pricing and policies share the homepage's paper, typography, and navigation. */
.expanded-footer {
  display: block;
  padding-block: 30px;
}
.footer-top,
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  font-size: 13px;
}
.footer-bottom {
  margin-top: 24px;
  color: var(--muted);
  font-size: 12px;
}
.footer-links a,
.footer-bottom a {
  padding-block: 5px;
}
.footer-links a:hover,
.footer-bottom a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
[aria-current="page"] {
  color: var(--green);
  font-weight: 650;
}
.info-main {
  max-width: 1120px;
  padding-block: 40px 100px;
}
.info-heading {
  max-width: 850px;
  margin-bottom: 48px;
}
.info-back {
  display: inline-block;
  margin-bottom: 42px;
  font-size: 13px;
  color: var(--muted);
}
.info-back span {
  margin-right: 8px;
}
.info-heading h1 {
  margin-top: 16px;
  font-size: clamp(34px, 4.3vw, 56px);
  font-weight: 560;
  line-height: 1.18;
  letter-spacing: -1.8px;
  text-wrap: balance;
}
.info-description {
  max-width: 700px;
  margin-top: 20px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}
.effective-date {
  margin-top: 18px;
  color: var(--muted);
  font-size: 12px;
}
.document-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 72px;
  padding-top: 42px;
  border-top: 1px solid var(--line);
}
.document-sidebar nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}
.document-sidebar nav > p {
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 1.1px;
  color: var(--muted);
}
.document-sidebar nav a {
  padding-block: 3px;
  font-size: 13px;
  line-height: 1.6;
}
.document-sidebar a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.document-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  overflow-wrap: anywhere;
}
.document-contact > span {
  color: var(--muted);
}
.author-mini {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 8px;
}
.author-mini img {
  border-radius: 50%;
}
.document-body {
  min-width: 0;
}
.document-body section + section {
  margin-top: 38px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.document-body h2 {
  margin-bottom: 18px;
  font-size: 21px;
  line-height: 1.5;
  font-weight: 620;
  letter-spacing: -0.4px;
}
.document-body p,
.document-body li {
  font-size: 15px;
  color: #4b5a51;
  line-height: 1.95;
  overflow-wrap: anywhere;
}
.document-body p + p {
  margin-top: 14px;
}
.document-body strong {
  color: var(--ink);
  font-weight: 650;
}
.document-body a {
  color: var(--green);
  text-decoration: underline;
  text-decoration-color: #a4b99e;
  text-underline-offset: 3px;
}
.document-body a:hover {
  text-decoration-color: currentColor;
}
.sales-notice {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 13px;
}
.price-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.price-card {
  padding: 32px;
  border: 1px solid #d2dccb;
  border-radius: 18px;
  background: #fdfef9;
}
.price-card-annual {
  background: #eaf0e2;
  border-color: #a9bd9c;
}
.plan-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.plan-heading h2 {
  font-size: 20px;
  font-weight: 600;
}
.plan-heading > span {
  color: var(--green);
  font-size: 11px;
}
.plan-amount {
  margin-top: 28px;
  font-size: clamp(40px, 4.4vw, 54px);
  font-weight: 580;
  letter-spacing: -1.6px;
  line-height: 1.25;
  font-variant-numeric: tabular-nums;
}
.plan-currency {
  font-size: 20px;
  margin-right: 5px;
  letter-spacing: -0.5px;
}
.plan-period {
  font-size: 15px;
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 0;
  margin-left: 8px;
  white-space: nowrap;
}
.plan-billing {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.65;
}
.plan-note {
  margin-top: 24px;
  min-height: 42px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.8;
}
.purchase-status {
  display: block;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid #cfd9c8;
  font-size: 13px;
  color: var(--muted);
}
.price-tax-note {
  margin-block: 16px 48px;
  font-size: 12px;
  color: var(--muted);
}
.included-list {
  margin: 0 0 22px;
  padding-left: 20px;
}
.included-list li + li {
  margin-top: 7px;
}
@media (max-width: 1000px) {
  .document-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 36px;
  }
  .footer-top,
  .footer-bottom {
    flex-wrap: wrap;
  }
}
@media (max-width: 800px) {
  .info-main {
    padding-block: 26px 65px;
  }
  .info-back {
    margin-bottom: 30px;
  }
  .info-heading {
    margin-bottom: 32px;
  }
  .info-heading h1 {
    letter-spacing: -1px;
  }
  .info-description {
    font-size: 15px;
  }
  .document-layout {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 28px;
  }
  .document-sidebar nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 9px 22px;
  }
  .document-sidebar nav > p {
    flex-basis: 100%;
  }
  .document-contact {
    margin-top: 20px;
    padding-top: 18px;
  }
  .document-body h2 {
    font-size: 20px;
  }
  .document-body p,
  .document-body li {
    font-size: 14px;
  }
  .price-grid {
    gap: 16px;
  }
  .price-card {
    padding: 24px;
  }
  .plan-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }
  .plan-amount {
    font-size: 40px;
  }
  .plan-period {
    display: block;
    margin-top: 5px;
    margin-left: 0;
  }
  .footer-links {
    gap: 12px 20px;
  }
  .footer-top,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }
}
@media (max-width: 560px) {
  .price-grid {
    grid-template-columns: 1fr;
  }
  .plan-heading {
    flex-direction: row;
    align-items: center;
  }
  .plan-period {
    display: inline;
    margin-left: 8px;
  }
  .plan-note {
    min-height: auto;
  }
}
@media print {
  .info-page .site-header,
  .info-page .site-footer,
  .info-back,
  .document-sidebar,
  .skip-link {
    display: none;
  }
  .info-main {
    width: 100%;
    padding: 0;
  }
  .document-layout {
    display: block;
  }
  .document-body section {
    break-inside: avoid;
  }
}

/* The agent desktop deserves the same space as the conversation tree. */
.access-section {
  display: block;
  padding-top: 94px;
  padding-bottom: 74px;
}
.access-intro {
  max-width: 790px;
}
.access-intro h2 {
  font-size: clamp(30px, 3vw, 43px);
  line-height: 1.35;
}
.access-intro > p.agent-lead {
  font-size: 16px;
  line-height: 1.9;
  margin-top: 22px;
  max-width: 680px;
}
.agent-capabilities {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0 36px;
  margin-top: 46px;
}
.agent-capability {
  padding: 27px 0 30px;
  border-top: 1px solid var(--line);
}
.agent-capability svg {
  color: #68834f;
  margin-bottom: 19px;
}
.agent-capability h3 {
  font-weight: 570;
  font-size: 17px;
  letter-spacing: -0.35px;
  line-height: 1.5;
}
.agent-capability p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.85;
  margin-top: 11px;
}
.agent-access-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-top: 50px;
  padding-top: 44px;
  border-top: 1px solid var(--line);
  align-items: start;
}
.agent-download h3 {
  font-size: 25px;
  font-weight: 550;
  letter-spacing: -0.6px;
  margin-top: 16px;
}
.agent-download > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
  margin-top: 15px;
}
.agent-download .release-box {
  margin-top: 24px;
}
.agent-download .platform-label {
  display: block;
  margin-left: 0;
  font-size: 12px;
}
@media (max-width: 1100px) {
  .agent-capabilities {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 42px;
  }
  .agent-access-bottom {
    gap: 40px;
  }
}
@media (max-width: 760px) {
  .access-section {
    padding-top: 64px;
  }
  .agent-access-bottom {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-top: 24px;
    padding-top: 32px;
  }
  .agent-capabilities {
    gap: 0 24px;
    margin-top: 30px;
  }
  .agent-capability h3 {
    font-size: 16px;
  }
  .agent-capability p {
    font-size: 13px;
  }
}
@media (max-width: 420px) {
  .agent-capabilities {
    grid-template-columns: 1fr;
  }
  .agent-capability {
    padding: 24px 0;
  }
  .agent-capability svg {
    margin-bottom: 12px;
  }
}