/* V2 chapters extend the approved homepage tokens, navigation and footer. */
.vf-chapter .icon { width: 19px; height: 19px; flex: 0 0 auto; }
.chapter { color: var(--vf-ink); }
.chapter h1, .chapter h2, .chapter h3 { font-weight: 500; color: var(--vf-ink); }
.chapter button { cursor: pointer; }
.chapter button:disabled { cursor: not-allowed; opacity: .5; }
.chapter [hidden] { display: none !important; }
.chapter-intro { padding-top: 36px; }
.chapter-label { display: flex; justify-content: space-between; gap: 20px; font: 10px/1.5 var(--font-mono); color: var(--vf-muted); text-transform: uppercase; letter-spacing: .045em; }
.chapter-label > span:first-child { display: flex; align-items: center; gap: 12px; }
.chapter-heading { display: grid; grid-template-columns: 1.55fr 1fr; gap: 64px; align-items: end; padding: 44px 0 48px; }
.chapter-heading h1 { margin: 0; font-size: clamp(52px, 6vw, 90px); letter-spacing: -.055em; line-height: 1.07; }
.chapter-heading > div { max-width: 350px; justify-self: end; padding-bottom: 5px; }
.chapter-heading p { color: var(--vf-muted); font-size: 14px; line-height: 1.9; margin: 0 0 20px; }
.chapter-actions { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.chapter-actions .vf-link { font-size: 12px; }
.chapter-showcase { scroll-margin-top: 100px; margin-bottom: 70px; }
.chapter-section { border-top: 1px solid var(--vf-line); padding-block: 65px 75px; }
.chapter-section-heading { display: grid; grid-template-columns: 1.3fr 1fr; gap: 80px; align-items: end; margin-bottom: 40px; }
.chapter-section-heading h2 { margin: 0; font-size: clamp(34px, 3.7vw, 54px); line-height: 1.16; letter-spacing: -.045em; }
.chapter-section-heading > p { max-width: 360px; justify-self: end; font-size: 14px; color: var(--vf-muted); line-height: 1.85; margin: 0; }
.chapter-next { border-top: 1px solid #b9cafa; background: #f0f3ef; padding: 58px 0; }
.chapter-next > div { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.chapter-next h2 { font-size: 36px; letter-spacing: -.04em; margin-bottom: 14px; }
.chapter-next p { font-size: 13px; color: var(--vf-muted); margin: 0; }
.chapter-next .vf-link { flex: 0 0 auto; }
.chapter-mono { font: 10px/1.6 var(--font-mono); color: var(--vf-muted); }
.chapter-note { margin: 25px 0 0; font-size: 11px; color: var(--vf-muted); line-height: 1.8; max-width: 740px; }
.product-frame { border: 1px solid var(--vf-line); background: var(--vf-paper); box-shadow: 0 18px 35px -35px #708171; }
.product-bar { padding: 0 22px; min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--vf-line); font: 11px/1.5 var(--font-mono); }
.product-badge { font-size: 9px; color: var(--vf-muted); text-align: right; }
.signal-field { background-color: #f1f4ef; background-image: radial-gradient(#cfd7cd .7px, transparent .7px); background-size: 18px 18px; }
.signal-wire { stroke: #a5bce9; stroke-width: 1.2; }
.signal-packet { stroke: var(--vf-blue); stroke-width: 2.6; stroke-dasharray: 8 92; stroke-dashoffset: 8; opacity: 0; }
.is-signaling .signal-packet { animation: vf-signal-travel 1.6s ease-in-out both; }
.signal-port { display: inline-block; width: 6px; height: 6px; background: var(--vf-paper); border: 1px solid var(--vf-blue); }
.chapter-wave { height: 96px; display: flex; gap: 4px; align-items: center; justify-content: space-between; }
.chapter-wave i { display: block; height: var(--level); background: var(--vf-blue); width: 2px; opacity: .7; }
.atlas-map { position: relative; height: 380px; }
.atlas-map > svg { position: absolute; inset: 0; height: 100%; width: 100%; }
.atlas-node { position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -50%); padding: 16px 13px; min-width: 138px; text-align: left; border: 1px solid #c1cfdc; border-radius: 2px; background: var(--vf-paper); color: var(--vf-ink); transition: border-color .2s, background .2s; }
.atlas-node > span { display: flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 600; }
.atlas-node small { display: block; font-size: 10px; color: var(--vf-muted); margin-top: 7px; }
.atlas-node[aria-pressed='true'] { background: #eaf0ff; border-color: var(--vf-blue); }
.atlas-node[aria-pressed='true'] > span { color: #1b4dcc; }
.atlas-node:hover { border-color: var(--vf-blue); }
.atlas-observe { border-top: 1px dashed #a4b7ce; display: flex; align-items: center; padding: 20px 24px; gap: 30px; background: #edf1e9; }
.atlas-observe > span:first-child { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.atlas-observe p { margin: 0; font-size: 12px; color: var(--vf-muted); }
.atlas-trace { margin-left: auto; color: #829bce; }
.atlas-detail { padding: 22px 24px; min-height: 90px; display: grid; grid-template-columns: 130px 1fr 150px; align-items: center; gap: 25px; border-top: 1px solid var(--vf-line); }
.atlas-detail p { max-width: 650px; font-size: 12px; color: var(--vf-muted); margin: 0; line-height: 1.8; }
.atlas-detail > span:last-child { font: 9px var(--font-mono); color: var(--vf-blue); text-align: right; }
.layer-ledger a { display: grid; grid-template-columns: 180px 1fr 1.3fr 30px; gap: 35px; align-items: center; padding: 29px 0; border-top: 1px solid var(--vf-line); }
.layer-ledger a > span { color: var(--vf-muted); font: 10px var(--font-mono); }
.layer-ledger h3 { font-size: 24px; margin: 0; letter-spacing: -.035em; }
.layer-ledger p { margin: 0; font-size: 13px; color: var(--vf-muted); line-height: 1.8; max-width: 420px; }
.layer-ledger a:hover h3, .layer-ledger a > .icon { color: var(--vf-blue); }
.agent-studio { display: grid; grid-template-columns: 155px 1.2fr 1fr; }
.studio-tabs { border-right: 1px solid var(--vf-line); padding: 22px 12px; display: flex; flex-direction: column; gap: 8px; }
.studio-tabs button { display: flex; align-items: center; gap: 11px; padding: 13px 10px; background: transparent; color: var(--vf-muted); border: 0; font-size: 12px; text-align: left; }
.studio-tabs button[aria-pressed='true'] { background: #eaf0ff; color: #1b4dcc; }
.studio-draft { margin-top: auto; padding: 40px 9px 0; font-size: 9px; color: var(--vf-muted); white-space: nowrap; }
.studio-draft i { margin-right: 5px; }
.studio-config { padding: 30px; background: #fff; min-width: 0; min-height: 480px; }
.studio-heading { display: flex; justify-content: space-between; align-items: center; gap: 15px; margin-bottom: 28px; }
.studio-heading h2 { margin: 0; font-size: 19px; letter-spacing: -.03em; }
.studio-heading > span { color: var(--vf-muted); font: 9px var(--font-mono); }
.studio-field { display: block; margin-bottom: 22px; min-width: 0; }
.studio-field > span { display: block; margin-bottom: 9px; font-size: 11px; color: var(--vf-muted); }
.studio-field :is(input,textarea,select) { width: 100%; border: 1px solid var(--vf-line); border-radius: 2px; background: var(--vf-paper); color: var(--vf-ink); font: 12px/1.9 var(--font-body); padding: 11px 13px; }
.studio-field textarea { resize: vertical; min-height: 138px; }
.studio-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.studio-note { font-size: 11px; line-height: 1.85; color: var(--vf-muted); margin: 15px 0 0; }
.studio-preview { min-width: 0; background: #f1f4ef; border-left: 1px solid var(--vf-line); padding: 30px; display: flex; flex-direction: column; }
.studio-message > span { font: 9px var(--font-mono); color: var(--vf-muted); }
.studio-message p { font-size: 22px; line-height: 1.55; letter-spacing: -.03em; margin: 10px 0 24px; color: var(--vf-blue); overflow-wrap: anywhere; }
.studio-caller p { font-size: 17px; color: var(--vf-ink); }
.studio-intent { border-block: 1px solid var(--vf-line); padding: 15px 0; display: flex; flex-direction: column; gap: 9px; margin: auto 0 24px; }
.studio-intent span { font: 9px var(--font-mono); color: var(--vf-muted); }
.studio-intent code { color: #1b4dcc; font-size: 11px; }
.chapter-button { border: 1px solid var(--vf-blue); background: var(--vf-blue); color: white; border-radius: 2px; display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 44px; padding: 10px 16px; font-size: 12px; }
.studio-preview > p { color: var(--vf-muted); font-size: 10px; margin: 12px 0 0; line-height: 1.7; min-height: 34px; }
.studio-definition { margin: 30px 0; }
.studio-definition > div { padding: 20px 0; border-bottom: 1px solid var(--vf-line); }
.studio-definition dt { font: 12px/1.7 var(--font-mono); overflow-wrap: anywhere; color: #1b4dcc; }
.studio-definition dd { margin: 8px 0 0; font-size: 12px; color: var(--vf-muted); }
.studio-document { display: flex; align-items: center; gap: 18px; border-block: 1px solid var(--vf-line); padding: 22px 0; }
.studio-document strong { font-size: 14px; font-weight: 500; }
.studio-document p { font-size: 11px; margin: 6px 0 0; color: var(--vf-muted); }
.studio-config blockquote { margin: 30px 0; border-left: 1px solid var(--vf-blue); padding-left: 20px; font-size: 20px; line-height: 1.7; }
.studio-lifecycle { display: grid; grid-template-columns: 1fr 1fr; gap: 85px; align-items: center; }
.studio-lifecycle .chapter-section-heading { display: block; margin-bottom: 30px; }
.studio-lifecycle .chapter-section-heading > p { margin-top: 20px; }
.lifecycle-list { list-style: none; padding: 0; margin: 0; }
.lifecycle-list li { display: flex; gap: 23px; border-top: 1px solid var(--vf-line); padding: 20px 0; }
.lifecycle-list li > span { font: 10px var(--font-mono); color: var(--vf-blue); padding-top: 4px; }
.lifecycle-list h3 { font-size: 16px; margin: 0 0 8px; }
.lifecycle-list p { margin: 0; font-size: 12px; color: var(--vf-muted); line-height: 1.8; }
.vf-chapter .voice-demo { border-radius: 2px; border-color: var(--vf-line); box-shadow: none; background: #f1f4ef; }
.vf-chapter .voice-demo :is(.demo-topbar,.demo-controls,.demo-disclosure) { border-color: var(--vf-line); background: var(--vf-paper); }
.vf-chapter .voice-demo .waveform i { animation: none; }
.vf-chapter .voice-demo :is(.agent-avatar,.demo-control) { border-radius: 2px; }
.vf-chapter .voice-demo :is(.demo-agent span,.transcript-line > span,.event-list time,.demo-disclosure) { color: var(--vf-muted); }
.vf-chapter .voice-demo .live-badge { background: #eaf0ff; color: #1b4dcc; font: 8px var(--font-mono); border-radius: 2px; }
.vf-chapter .voice-demo :is(.speaker-state,.transcript-panel,.events-panel,.demo-timer) { border-radius: 2px; border-color: var(--vf-line); }
.vf-chapter .voice-demo .speaker-state { background: var(--vf-paper); }
.vf-chapter .voice-demo .waveform i { background: var(--vf-blue); border-radius: 0; }
.vf-chapter .studio-message:not(.studio-caller) p { color: #1b4dcc; }
.workflow-toolbar { display: flex; justify-content: space-between; gap: 20px; padding: 10px 20px; border-bottom: 1px solid var(--vf-line); background: white; }
.workflow-tools { display: flex; gap: 8px; }
.workflow-tools button { border: 1px solid var(--vf-line); background: var(--vf-paper); padding: 9px 12px; display: flex; align-items: center; gap: 7px; border-radius: 2px; font-size: 11px; color: var(--vf-ink); min-height: 38px; }
.workflow-tools [data-workflow-test] { color: #1b4dcc; border-color: #b4c7f9; }
.workflow-library { font-size: 12px; padding: 15px 20px; border-bottom: 1px solid var(--vf-line); background: #eaf0ff; }
.workflow-workspace { display: grid; grid-template-columns: 1fr 235px; }
.workflow-canvas-wrap { min-width: 0; overflow: auto; }
.workflow-canvas { position: relative; height: 420px; min-width: 670px; width: var(--canvas-width, 100%); }
.workflow-canvas svg { width: 100%; height: 100%; position: absolute; inset: 0; }
.workflow-node { position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -50%); display: block; padding: 14px 12px; width: 142px; background: var(--vf-paper); border: 1px solid #c3cfdc; border-radius: 2px; color: var(--vf-ink); text-align: left; box-shadow: none; }
.workflow-node > i { position: absolute; left: -4px; top: calc(50% - 3px); }
.workflow-node strong { display: block; font-size: 12px; font-weight: 600; }
.workflow-node small { font-size: 10px; color: var(--vf-muted); display: block; margin-top: 7px; }
.workflow-node[aria-pressed='true'], .workflow-node.is-active { border-color: var(--vf-blue); background: #eaf0ff; }
.workflow-node-condition { border-color: #9eafe0; border-style: dashed; }
.workflow-workspace.is-signaling .signal-packet { animation: none; }
.workflow-workspace[data-branch='knowledge'] :is(.workflow-wire-1,.workflow-wire-5), .workflow-workspace[data-branch='crm'] :is(.workflow-wire-2,.workflow-wire-6), .workflow-workspace[data-branch='calendar'] :is(.workflow-wire-3,.workflow-wire-7), .workflow-workspace[data-branch='transfer'] :is(.workflow-wire-4,.workflow-wire-8), .workflow-workspace .workflow-wire-0 { stroke: var(--vf-blue); }
.workflow-workspace.is-signaling[data-branch='knowledge'] .signal-packet:is(.workflow-wire-0,.workflow-wire-1,.workflow-wire-5,.workflow-wire-9), .workflow-workspace.is-signaling[data-branch='crm'] .signal-packet:is(.workflow-wire-0,.workflow-wire-2,.workflow-wire-6,.workflow-wire-9), .workflow-workspace.is-signaling[data-branch='calendar'] .signal-packet:is(.workflow-wire-0,.workflow-wire-3,.workflow-wire-7,.workflow-wire-9), .workflow-workspace.is-signaling[data-branch='transfer'] .signal-packet:is(.workflow-wire-0,.workflow-wire-4,.workflow-wire-8) { animation: vf-signal-travel 1.6s ease-in-out both; }
.workflow-canvas-foot { min-height: 48px; display: flex; gap: 15px; align-items: center; justify-content: space-between; border-top: 1px solid var(--vf-line); padding: 6px 20px; }
.workflow-canvas-foot > span { font: 9px var(--font-mono); color: var(--vf-muted); }
.workflow-zoom { display: flex; align-items: center; gap: 8px; }
.workflow-zoom button { min-width: 28px; height: 32px; border: 0; background: transparent; color: var(--vf-ink); }
.workflow-zoom output { font: 10px var(--font-mono); }
.workflow-properties { padding: 25px 22px; border-left: 1px solid var(--vf-line); background: #fff; }
.workflow-properties h2 { font-size: 25px; letter-spacing: -.035em; margin: 20px 0 8px; }
.workflow-node-type { font-size: 10px; color: #1b4dcc; }
.workflow-property { border-top: 1px solid var(--vf-line); padding-top: 15px; margin-top: 24px; }
.workflow-property > span { font-size: 10px; display: block; margin-bottom: 9px; color: var(--vf-muted); }
.workflow-property code { font: 11px/1.7 var(--font-mono); overflow-wrap: anywhere; }
.workflow-properties p { font-size: 11px; line-height: 1.85; color: var(--vf-muted); margin: 23px 0; }
.workflow-properties-note { font: 9px var(--font-mono); color: var(--vf-muted); }
.workflow-status { min-height: 49px; padding: 15px 22px; color: #1b4dcc; font-size: 11px; border-top: 1px solid var(--vf-line); }
.workflow-story { display: grid; grid-template-columns: 1fr 60px 1fr 60px 1fr; align-items: center; border-block: 1px solid var(--vf-line); padding: 30px 0; gap: 25px; }
.workflow-story div > span { font: 9px var(--font-mono); color: var(--vf-muted); }
.workflow-story p { font-size: 20px; letter-spacing: -.03em; line-height: 1.65; margin: 15px 0 0; }
.story-connector { color: var(--vf-blue); font-size: 25px; }
.switchboard { display: grid; grid-template-columns: 335px 1fr; }
.traffic-list { border-right: 1px solid var(--vf-line); background: #fff; padding: 27px 0 0; display: flex; flex-direction: column; }
.traffic-heading { display: flex; align-items: center; justify-content: space-between; padding: 0 24px 25px; }
.traffic-heading h2 { font-size: 17px; margin: 0; }
.traffic-heading > span { font: 9px var(--font-mono); color: var(--vf-muted); }
.traffic-list button { border: 0; border-top: 1px solid var(--vf-line); background: transparent; display: flex; gap: 16px; text-align: left; padding: 22px 24px; align-items: center; color: var(--vf-ink); min-height: 100px; }
.traffic-list button > span { font: 10px var(--font-mono); color: var(--vf-muted); }
.traffic-list button strong { font-weight: 500; font-size: 16px; }
.traffic-list button small { font-size: 10px; display: block; margin-top: 8px; color: var(--vf-muted); }
.traffic-list button .icon { margin-left: auto; }
.traffic-list button[aria-pressed='true'] { background: #eaf0ff; color: #1b4dcc; box-shadow: inset 2px 0 var(--vf-blue); }
.traffic-foot { padding: 24px; font: 9px var(--font-mono); color: var(--vf-muted); margin-top: auto; }
.switchboard-route { padding: 25px 30px; min-width: 0; }
.switchboard-title { display: flex; align-items: center; justify-content: space-between; gap: 20px; font: 10px var(--font-mono); }
.route-state { color: #1b4dcc; }
.traffic-wave { max-width: 480px; margin: 25px auto 10px; }
.traffic-wave .chapter-wave { height: 77px; }
.switch-route { display: grid; grid-template-columns: 1fr .5fr 1fr .5fr 1fr; align-items: center; min-height: 140px; text-align: center; }
.switch-route > div:not(.switch-route-line) { z-index: 1; }
.switch-route strong { display: block; margin-top: 12px; font-size: 15px; font-weight: 500; }
.switch-route small { display: block; color: var(--vf-muted); font: 10px var(--font-mono); margin-top: 9px; }
.switch-icon { width: 42px; height: 42px; border: 1px solid #b9cafa; background: var(--vf-paper); display: grid; place-items: center; margin: auto; color: var(--vf-blue); }
.switch-core { padding: 28px 15px; background: var(--vf-paper); border: 1px solid #b9cafa; }
.switch-core img { width: 80px; height: auto; mix-blend-mode: multiply; margin: 0 auto; }
.switch-route-line { height: 1px; position: relative; background: #a5bce9; margin-top: -32px; }
.switch-route-line i { position: absolute; width: 14px; height: 2px; background: var(--vf-blue); left: 0; opacity: .7; }
.is-signaling .switch-route-line i { animation: chapter-traffic 1.6s ease both; }
@keyframes chapter-traffic { from { left: 0; opacity: 0; } 20% { opacity: 1; } to { left: calc(100% - 14px); opacity: 0; } }
.switch-events { border-top: 1px solid var(--vf-line); margin-top: 27px; padding-top: 18px; }
.switch-events > span { font: 9px var(--font-mono); color: var(--vf-muted); }
.switch-events ol { list-style: none; padding: 0; margin: 13px 0 0; display: flex; justify-content: space-between; gap: 20px; counter-reset: event; }
.switch-events li { counter-increment: event; font-size: 11px; line-height: 1.8; max-width: 160px; }
.switch-events li::before { content: '0' counter(event); display: block; font: 9px var(--font-mono); color: var(--vf-blue); margin-bottom: 5px; }
.switchboard-footer { padding: 19px 25px; display: flex; justify-content: space-between; gap: 15px; border-top: 1px solid var(--vf-line); font: 10px var(--font-mono); color: var(--vf-muted); flex-wrap: wrap; }
.handoff-line { display: flex; align-items: center; gap: 20px; padding: 30px 0; border-block: 1px solid var(--vf-line); }
.handoff-line > span, .handoff-line > strong { white-space: nowrap; font-size: 14px; font-weight: 500; }
.handoff-line > strong { color: var(--vf-blue); }
.handoff-line i { height: 1px; flex: 1; background: #9fb8ec; }
.telephony-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding-top: 25px; }
.telephony-notes p { font-size: 13px; line-height: 1.9; color: var(--vf-muted); }
.telephony-notes strong { display: block; color: var(--vf-ink); font-size: 16px; font-weight: 500; margin-bottom: 9px; }
.code-surface { background: #fff; border: 1px solid var(--vf-line); min-width: 0; }
.code-title { padding: 12px 22px; border-bottom: 1px solid var(--vf-line); display: flex; align-items: center; justify-content: space-between; gap: 20px; font: 10px var(--font-mono); color: var(--vf-muted); }
.code-title button { padding: 8px 12px; border: 1px solid var(--vf-line); background: var(--vf-paper); color: var(--vf-ink); border-radius: 2px; }
.code-surface pre { margin: 0; padding: 27px; overflow-x: auto; font: 12px/1.95 var(--font-mono); color: #1b4dcc; tab-size: 2; }
.code-caption { border-top: 1px solid var(--vf-line); padding: 15px 22px; font-size: 10px; line-height: 1.7; color: var(--vf-muted); display: flex; justify-content: space-between; gap: 20px; }
@media (max-width: 1180px) {
  .chapter-heading { gap: 40px; }
  .atlas-node { min-width: 110px; padding: 13px 10px; }
  .atlas-node > span { font-size: 12px; }
  .atlas-node small { font-size: 9px; max-width: 112px; }
  .atlas-trace { display: none; }
  .agent-studio { grid-template-columns: 130px 1.2fr 1fr; }
  .studio-config, .studio-preview { padding: 23px; }
  .workflow-workspace { grid-template-columns: 1fr 205px; }
  .workflow-node { width: 119px; }
  .switchboard { grid-template-columns: 285px 1fr; }
  .traffic-list button { padding-inline: 18px; }
  .layer-ledger a { grid-template-columns: 140px 1fr 1.3fr 25px; gap: 25px; }
}
@media (max-width: 980px) {
  .chapter-heading { grid-template-columns: 1.3fr 1fr; gap: 30px; }
  .chapter-heading h1 { font-size: 53px; }
  .chapter-heading p { font-size: 13px; }
  .chapter-section-heading { gap: 35px; }
  .atlas-map { height: 410px; }
  .atlas-node { min-width: 94px; max-width: 123px; }
  .atlas-node > span { font-size: 11px; gap: 5px; }
  .atlas-node small { line-height: 1.7; }
  .atlas-node .icon { width: 14px; }
  .atlas-detail { grid-template-columns: 110px 1fr; min-height: 116px; }
  .atlas-detail > span:last-child { display: none; }
  .atlas-observe { gap: 20px; }
  .atlas-observe p { max-width: 330px; line-height: 1.7; }
  .layer-ledger a { grid-template-columns: 100px 1fr 1fr 20px; gap: 18px; }
  .layer-ledger h3 { font-size: 21px; }
  .agent-studio { grid-template-columns: 1.2fr 1fr; }
  .studio-tabs { grid-column: 1 / -1; flex-direction: row; border-right: 0; border-bottom: 1px solid var(--vf-line); padding: 8px 12px; }
  .studio-tabs button { flex: 1; justify-content: center; }
  .studio-draft { display: none; }
  .studio-heading { align-items: start; }
  .studio-heading h2 { font-size: 17px; }
  .studio-heading > span { display: none; }
  .studio-message p { font-size: 20px; }
  .studio-lifecycle { gap: 35px; }
  .workflow-workspace { display: block; }
  .workflow-properties { border-top: 1px solid var(--vf-line); border-left: 0; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px 25px; padding: 20px; }
  .workflow-properties h2 { grid-column: 1; margin: 5px 0; }
  .workflow-properties > .chapter-mono { grid-column: 1 / -1; }
  .workflow-node-type { grid-column: 1; }
  .workflow-property { grid-row: 2 / 4; margin: 0; padding: 10px 0; }
  .workflow-property:nth-of-type(1) { grid-column: 2; }
  .workflow-property:nth-of-type(2) { grid-column: 3; }
  .workflow-properties p { grid-column: 1 / -1; margin: 0; min-height: 42px; }
  .workflow-properties-note { grid-column: 1 / -1; }
  .workflow-canvas { min-width: 0; }
  .workflow-node { width: 114px; }
  .switchboard { grid-template-columns: 1fr; }
  .traffic-list { display: grid; grid-template-columns: repeat(3, 1fr); padding: 0; border-right: 0; border-bottom: 1px solid var(--vf-line); }
  .traffic-heading, .traffic-foot { display: none; }
  .traffic-list button { min-height: 85px; border-top: 0; padding: 16px; gap: 10px; }
  .traffic-list button > .icon { display: none; }
  .traffic-list button strong { font-size: 14px; }
  .traffic-list button small { font-size: 9px; line-height: 1.8; }
  .traffic-list button[aria-pressed='true'] { box-shadow: inset 0 -2px var(--vf-blue); }
  .workflow-story { grid-template-columns: 1fr 25px 1fr 25px 1fr; gap: 15px; }
  .workflow-story p { font-size: 17px; }
}
@media (max-width: 640px) {
  .chapter-intro { padding-top: 25px; }
  .chapter-label { font-size: 9px; }
  .chapter-label > span:last-child:not(:first-child) { display: none; }
  .chapter-heading { display: block; padding: 30px 0 34px; }
  .chapter-heading h1 { font-size: 47px; letter-spacing: -.052em; line-height: 1.1; }
  .chapter-heading > div { margin-top: 25px; max-width: none; }
  .chapter-heading p { font-size: 13px; line-height: 1.85; margin-bottom: 14px; max-width: 350px; }
  .chapter-showcase { margin-bottom: 42px; }
  .chapter-section { padding-block: 40px 45px; }
  .chapter-section-heading { display: block; margin-bottom: 28px; }
  .chapter-section-heading h2 { font-size: 34px; }
  .chapter-section-heading > p { margin-top: 22px; font-size: 13px; }
  .chapter-next { padding: 37px 0; }
  .chapter-next > div { display: block; }
  .chapter-next h2 { font-size: 29px; line-height: 1.2; }
  .chapter-next p { font-size: 12px; line-height: 1.8; }
  .chapter-next .vf-link { margin-top: 25px; }
  .product-bar { padding: 12px 15px; font-size: 10px; min-height: 57px; gap: 15px; }
  .product-badge { font-size: 8px; max-width: 115px; line-height: 1.7; }
  .atlas-map { height: auto; padding: 22px 17px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px 20px; }
  .atlas-map > svg { display: none; }
  .atlas-node { position: relative; left: auto; top: auto; transform: none; min-width: 0; max-width: none; padding: 14px 11px; }
  .atlas-node::after { content: ''; position: absolute; width: 1px; height: 25px; background: #a5bce9; left: 50%; bottom: -25px; }
  .atlas-node > span { font-size: 12px; }
  .atlas-node small { font-size: 10px; }
  .atlas-input { grid-column: 1; grid-row: 1; }
  .atlas-telephony { grid-column: 2; grid-row: 1; }
  .atlas-input::after { height: 1px; width: 21px; left: 100%; top: 50%; }
  .atlas-stt { grid-column: 2; grid-row: 2; }
  .atlas-agent { grid-column: 1; grid-row: 2; border-color: var(--vf-blue); }
  .atlas-stt::after { height: 1px; width: 21px; left: -21px; top: 50%; }
  .atlas-knowledge { grid-column: 1; grid-row: 3; }
  .atlas-tools { grid-column: 2; grid-row: 3; }
  .atlas-tools::before { content: ''; position: absolute; width: 21px; height: 1px; top: 50%; left: -21px; background: #a5bce9; }
  .atlas-workflows { grid-column: 1; grid-row: 4; }
  .atlas-tts { grid-column: 2; grid-row: 4; }
  .atlas-tts::after { display: none; }
  .atlas-workflows::after { height: 1px; width: 21px; left: 100%; top: 50%; }
  .atlas-observe { padding: 19px 17px; display: block; }
  .atlas-observe p { font-size: 11px; margin-top: 10px; }
  .atlas-detail { display: block; padding: 18px; min-height: 156px; }
  .atlas-detail p { font-size: 11px; margin-top: 10px; }
  .layer-ledger a { grid-template-columns: 1fr 24px; gap: 13px; padding: 24px 0; }
  .layer-ledger a > span { grid-column: 1; font-size: 9px; }
  .layer-ledger h3 { grid-column: 1; font-size: 25px; }
  .layer-ledger p { grid-column: 1; font-size: 12px; }
  .layer-ledger .icon { grid-column: 2; grid-row: 2; }
  .agent-studio { display: block; }
  .studio-tabs { gap: 0; padding: 7px; }
  .studio-tabs button { flex-direction: column; gap: 7px; font-size: 10px; padding: 9px 4px; }
  .studio-tabs button .icon { width: 16px; height: 16px; }
  .studio-config { padding: 23px 18px; min-height: 452px; }
  .studio-heading { margin-bottom: 22px; }
  .studio-heading h2 { font-size: 20px; }
  .studio-field textarea { font-size: 12px; line-height: 1.85; }
  .studio-preview { border-left: 0; border-top: 1px solid var(--vf-line); padding: 24px 18px; }
  .studio-message p { font-size: 23px; }
  .studio-caller p { font-size: 17px; }
  .studio-intent { margin-top: 0; }
  .studio-lifecycle { display: block; }
  .studio-test-demo { margin-top: 25px; }
  .vf-chapter .voice-demo { max-width: 100%; }
  .workflow-toolbar { padding: 9px; gap: 8px; }
  .workflow-tools { gap: 4px; flex-wrap: wrap; }
  .workflow-tools button { padding: 8px; font-size: 10px; min-height: 40px; }
  .workflow-tools [data-workflow-library] .icon, .workflow-tools [data-workflow-test] .icon { display: none; }
  .workflow-tools [data-workflow-undo] span, .workflow-tools [data-workflow-redo] span { display: none; }
  .workflow-tools [data-workflow-undo], .workflow-tools [data-workflow-redo] { font-size: 18px; min-width: 32px; }
  .workflow-tools:first-child { max-width: 125px; }
  .workflow-tools:last-child { align-content: start; }
  .workflow-canvas { height: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 24px 20px; padding: 24px 18px; width: 100%; }
  .workflow-canvas > svg { display: none; }
  .workflow-node { position: relative; left: auto; top: auto; transform: none; width: auto; padding: 12px 10px; }
  .workflow-node::after { content: ''; position: absolute; bottom: -25px; height: 25px; width: 1px; left: 50%; background: #a5bce9; }
  .workflow-node > i { left: calc(50% - 3px); top: -4px; }
  .workflow-node-incoming, .workflow-node-stt, .workflow-node-agent, .workflow-node-condition, .workflow-node-tts, .workflow-node-end { grid-column: 1 / -1; width: 175px; justify-self: center; }
  .workflow-node-knowledge, .workflow-node-crm, .workflow-node-calendar, .workflow-node-transfer { min-height: 66px; }
  .workflow-node-knowledge::after, .workflow-node-crm::after { display: none; }
  .workflow-node-condition::after { width: calc(100% + 19px); height: 13px; border: 1px solid #a5bce9; border-bottom: 0; background: transparent; left: -10px; bottom: -25px; }
  .workflow-node-condition::before { content: ''; position: absolute; height: 12px; width: 1px; left: 50%; background: #a5bce9; bottom: -12px; }
  .workflow-node-calendar::after { height: 13px; width: calc(100% + 22px); left: 50%; border: 1px solid #a5bce9; border-top: 0; bottom: -14px; background: transparent; }
  .workflow-node-transfer::after { display: none; }
  .workflow-node-tts::before { content: ''; position: absolute; height: 12px; width: 1px; left: 50%; background: #a5bce9; top: -12px; }
  .workflow-node-end::after { display: none; }
  .workflow-canvas-foot { padding: 12px 16px; min-height: 43px; }
  .workflow-zoom { display: none; }
  .workflow-properties { padding: 20px 18px; grid-template-columns: 1fr 1fr; gap: 13px; }
  .workflow-properties h2 { font-size: 26px; }
  .workflow-node-type { grid-column: 2; align-self: center; }
  .workflow-property { grid-row: auto; margin: 7px 0 0; }
  .workflow-property:nth-of-type(1) { grid-column: 1; }
  .workflow-property:nth-of-type(2) { grid-column: 2; }
  .workflow-properties p { min-height: 64px; }
  .workflow-status { padding: 15px 18px; font-size: 10px; line-height: 1.8; min-height: 84px; }
  .workflow-story { grid-template-columns: 1fr; padding: 24px 0; gap: 18px; }
  .workflow-story p { font-size: 22px; margin-top: 8px; }
  .story-connector { transform: rotate(90deg); width: 24px; }
  .traffic-list button { padding: 16px 8px; display: block; min-height: 88px; text-align: center; }
  .traffic-list button > span { display: none; }
  .traffic-list button strong { font-size: 12px; line-height: 1.6; }
  .traffic-list button small { display: none; }
  .switchboard-route { padding: 20px 17px; }
  .switchboard-title { display: block; font-size: 10px; }
  .route-state { display: block; margin-top: 10px; font-size: 9px; }
  .traffic-wave { margin: 22px auto 15px; }
  .traffic-wave .chapter-wave { height: 62px; gap: 3px; }
  .switch-route { grid-template-columns: 1fr 20px 1fr; gap: 0; position: relative; }
  .switch-route > div:nth-child(4) { position: absolute; width: 1px; height: 31px; top: 100px; right: 25%; margin: 0; }
  .switch-route > div:nth-child(4) i { display: none; }
  .switch-route > div:last-child { grid-column: 1 / -1; justify-self: end; width: 100%; margin-top: 30px; padding-top: 20px; border-top: 1px solid #a5bce9; }
  .switch-route > div:last-child strong { display: inline; margin-left: 12px; font-size: 15px; }
  .switch-route > div:last-child .switch-icon { display: inline-grid; width: 32px; height: 32px; }
  .switch-route > div:last-child small { margin-top: 10px; }
  .switch-route strong { font-size: 12px; }
  .switch-core { padding: 24px 10px; }
  .switch-core img { width: 74px; }
  .switch-events { margin-top: 24px; }
  .switch-events ol { gap: 10px; }
  .switch-events li { font-size: 10px; }
  .switchboard-footer { padding: 17px; font-size: 9px; gap: 14px 20px; justify-content: start; }
  .handoff-line { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
  .handoff-line i { display: none; }
  .handoff-line > span, .handoff-line > strong { font-size: 12px; }
  .telephony-notes { grid-template-columns: 1fr; gap: 10px; }
  .code-surface pre { padding: 20px; font-size: 11px; }
  .code-caption { padding: 15px; font-size: 9px; }
}
.connection-exchange { display: grid; grid-template-columns: 1.6fr 1fr; }
.exchange-map { min-width: 0; position: relative; height: 475px; }
.exchange-map > svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.exchange-core { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 155px; height: 145px; background: var(--vf-paper); border: 1px solid #abc1f6; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 23px; }
.exchange-core img { width: 89px; height: auto; mix-blend-mode: multiply; }
.exchange-core span { font: 8px var(--font-mono); color: var(--vf-muted); }
.exchange-node { position: absolute; top: var(--y); left: var(--x); transform: translate(-50%, -50%); width: 145px; height: 43px; padding: 0 13px; display: flex; align-items: center; gap: 10px; background: var(--vf-paper); border: 1px solid #c1cfdc; color: var(--vf-ink); font-size: 12px; border-radius: 2px; }
.exchange-node > span { margin-left: auto; color: var(--vf-blue); }
.exchange-node[aria-pressed='true'] { background: #eaf0ff; border-color: var(--vf-blue); color: #1b4dcc; }
.connection-exchange .signal-wire.is-selected { stroke: var(--vf-blue); }
.connection-exchange.is-signaling .signal-packet { animation: none; }
.connection-exchange.is-signaling .signal-packet.is-selected { animation: vf-signal-travel 1.6s ease-in-out both; }
.exchange-detail { border-left: 1px solid var(--vf-line); padding: 40px 35px; background: #fff; }
.exchange-detail h2 { font-size: 44px; letter-spacing: -.04em; margin: 38px 0 22px; }
.exchange-detail > p { font-size: 14px; line-height: 1.9; min-height: 85px; color: var(--vf-muted); }
.exchange-boundary { border-block: 1px solid var(--vf-line); display: flex; gap: 10px; align-items: center; padding: 22px 0; }
.exchange-boundary > span { font: 8px/1.8 var(--font-mono); max-width: 65px; }
.exchange-boundary i { flex: 1; background: #b0c2ef; height: 1px; }
.exchange-detail .exchange-note { font-size: 11px; min-height: auto; margin-top: 22px; }
.exchange-detail .vf-link { font-size: 12px; margin-top: 10px; }
.integration-boundary { display: grid; grid-template-columns: 1fr 1fr; gap: 85px; align-items: center; border: 0; border-top: 1px solid var(--vf-line); border-radius: 0; background: transparent; padding-inline: 0; }
.integration-boundary .chapter-section-heading { display: block; }
.integration-boundary .chapter-section-heading p { margin: 24px 0 0; justify-self: start; }
.boundary-steps { list-style: none; margin: 0; padding: 0; }
.boundary-steps li { display: flex; gap: 25px; padding: 17px 0; border-top: 1px solid var(--vf-line); font-size: 14px; }
.boundary-steps li span { font: 10px var(--font-mono); color: var(--vf-blue); }
.developer-workbench { display: grid; grid-template-columns: 195px 1.6fr 1fr; border: 1px solid var(--vf-line); }
.developer-rail { display: flex; flex-direction: column; padding: 24px 15px; gap: 9px; background: #f1f4ef; }
.developer-rail button, .developer-rail a { display: flex; align-items: center; text-align: left; gap: 12px; border: 0; border-bottom: 1px solid var(--vf-line); padding: 15px 8px; background: transparent; color: var(--vf-ink); font-size: 11px; }
.developer-rail button > span, .developer-rail a > span { color: var(--vf-muted); font: 9px var(--font-mono); }
.developer-rail .icon { width: 14px; margin-left: auto; }
.developer-rail button[aria-pressed='true'] { color: #1b4dcc; background: #eaf0ff; border-bottom-color: #a4baf0; }
.developer-rail-note { margin-top: auto; padding: 30px 8px 0; color: var(--vf-muted); font: 8px/1.8 var(--font-mono); }
[data-developer-code] { min-width: 0; background: #fff; }
[data-developer-code] .code-surface { height: 100%; border-block: 0; display: flex; flex-direction: column; }
[data-developer-code] pre { min-height: 440px; flex: 1; font-size: 11px; }
.developer-explanation { padding: 32px 26px; display: flex; flex-direction: column; }
.developer-event { margin-top: 37px; }
.developer-event > span { font: 9px var(--font-mono); color: #1b4dcc; }
.developer-event h2, .developer-event h3 { font-size: 25px; letter-spacing: -.04em; line-height: 1.3; margin: 16px 0; }
.developer-event p { font-size: 12px; color: var(--vf-muted); line-height: 1.85; }
.developer-wire { width: 1px; height: 37px; background: var(--vf-blue); margin-top: 10px; }
.developer-wire + .developer-event { margin-top: 18px; }
.developer-explanation > a { display: flex; align-items: center; gap: 20px; font-size: 11px; color: #1b4dcc; margin-top: auto; padding-top: 25px; }
.developer-event-score { display: flex; align-items: center; gap: 20px; padding: 36px 0; border-block: 1px solid var(--vf-line); }
.developer-event-score > span { font: 12px/1.8 var(--font-mono); color: #1b4dcc; }
.developer-event-score > i { height: 1px; flex: 1; background: #aec4f4; }
.developer-score-foot { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding-top: 20px; }
.developer-score-foot > p { margin: 0; font-size: 10px; color: var(--vf-muted); }
.docs-v2 { display: grid; grid-template-columns: 205px 1fr; gap: 70px; padding-block: 40px 80px; }
.docs-v2-sidebar { align-self: start; position: sticky; top: 115px; }
.docs-home { display: flex; align-items: center; gap: 12px; font-size: 13px; padding: 10px 0 25px; }
.docs-v2-sidebar nav { display: flex; flex-direction: column; border-left: 1px solid var(--vf-line); }
.docs-v2-sidebar nav a { font-size: 12px; padding: 12px 18px; color: var(--vf-muted); }
.docs-v2-sidebar nav a:hover { background: #eaf0ff; color: #1b4dcc; }
.docs-sidebar-note { font: 10px/1.9 var(--font-mono); color: var(--vf-muted); margin-top: 40px; }
.docs-v2-main { max-width: 850px; min-width: 0; }
.docs-v2-header h1 { font-size: 64px; letter-spacing: -.055em; margin: 26px 0 18px; }
.docs-v2-header > p { font-size: 14px; color: var(--vf-muted); max-width: 560px; line-height: 1.9; }
.docs-search-v2 { display: flex; align-items: center; gap: 15px; padding: 10px 17px; border: 1px solid #a5bce9; background: #fff; margin: 27px 0 17px; }
.docs-search-v2 input { min-width: 0; flex: 1; background: transparent; border: 0; padding: 7px 0; font-size: 14px; color: var(--vf-ink); }
.docs-search-v2 kbd { font: 10px var(--font-mono); border: 1px solid var(--vf-line); padding: 6px; color: var(--vf-muted); }
.docs-v2-header .docs-availability { font-size: 11px; max-width: 690px; }
.docs-articles { margin-top: 40px; }
.doc-article { padding: 32px 0; border-top: 1px solid var(--vf-line); scroll-margin-top: 115px; }
.doc-article-heading h2 { font-size: 29px; letter-spacing: -.035em; margin: 10px 0 15px; }
.doc-description { font-size: 13px; line-height: 1.9; color: var(--vf-muted); max-width: 650px; }
.doc-article summary { display: flex; align-items: center; gap: 15px; cursor: pointer; font-size: 12px; color: #1b4dcc; padding-block: 10px; list-style: none; }
.doc-article summary::-webkit-details-marker { display: none; }
.doc-article details[open] summary .icon { rotate: 180deg; }
.doc-detail { background: #f1f4ef; border-left: 1px solid #b5c7ee; margin-top: 14px; padding: 22px 26px; }
.doc-detail :is(p, li) { font-size: 13px; color: var(--vf-muted); line-height: 1.9; }
.doc-detail p:last-child { margin-bottom: 0; }
.doc-detail ol { padding-left: 20px; }
.doc-detail li { padding: 6px 0 6px 8px; }
.doc-detail strong { color: var(--vf-ink); font-weight: 600; }
.doc-detail .vf-link { font-size: 12px; }
@media (max-width: 1180px) {
  .exchange-node { width: 125px; font-size: 11px; }
  .exchange-core { width: 125px; height: 130px; }
  .exchange-detail { padding: 30px 25px; }
  .developer-workbench { grid-template-columns: 170px 1.7fr 1fr; }
  .developer-explanation { padding: 25px 20px; }
  [data-developer-code] pre { padding-inline: 20px; }
}
@media (max-width: 980px) {
  .connection-exchange { display: block; }
  .exchange-detail { border-left: 0; border-top: 1px solid var(--vf-line); display: grid; grid-template-columns: 1fr 1fr; gap: 0 30px; }
  .exchange-detail h2 { margin: 14px 0 17px; grid-column: 1; }
  .exchange-detail > p { grid-column: 1; min-height: 80px; }
  .exchange-boundary { grid-column: 2; grid-row: 2; }
  .exchange-detail .exchange-note { grid-column: 2; grid-row: 3; margin: 0; }
  .exchange-detail .vf-link { grid-column: 1 / -1; justify-self: start; }
  .integration-boundary { gap: 35px; }
  .developer-workbench { grid-template-columns: 1.4fr 1fr; }
  .developer-rail { grid-column: 1 / -1; flex-direction: row; padding: 10px; gap: 10px; }
  .developer-rail button, .developer-rail a { flex: 1; padding: 14px 7px; gap: 8px; }
  .developer-rail .icon, .developer-rail-note { display: none; }
  [data-developer-code] .code-surface { border-left: 0; border-top: 1px solid var(--vf-line); }
  [data-developer-code] pre { min-height: 460px; font-size: 10px; }
  .developer-explanation { border-top: 1px solid var(--vf-line); }
  .developer-event-score { gap: 12px; }
  .developer-event-score > span { font-size: 9px; }
  .docs-v2 { grid-template-columns: 155px 1fr; gap: 30px; }
  .docs-v2-sidebar nav a { padding-left: 13px; font-size: 11px; }
  .docs-v2-header h1 { font-size: 52px; }
}
@media (max-width: 640px) {
  .exchange-map { height: 450px; }
  .exchange-map > svg { display: none; }
  .exchange-core { width: 136px; height: 98px; top: 80px; gap: 12px; }
  .exchange-core::after { content: ''; position: absolute; top: 100%; width: 1px; height: 292px; background: #acc1ec; }
  .exchange-core img { width: 77px; }
  .exchange-node { top: auto; left: auto; transform: none; width: calc(50% - 33px); height: 40px; padding: 0 10px; font-size: 11px; }
  .exchange-node .signal-port { display: none; }
  .exchange-node::before { content: ''; position: absolute; width: 17px; height: 1px; top: 50%; background: #acc1ec; }
  .exchange-node:nth-of-type(odd) { left: 17px; }
  .exchange-node:nth-of-type(even) { right: 17px; }
  .exchange-node:nth-of-type(odd)::before { left: 100%; }
  .exchange-node:nth-of-type(even)::before { right: 100%; }
  .exchange-node:nth-of-type(1), .exchange-node:nth-of-type(2) { top: 159px; }
  .exchange-node:nth-of-type(3), .exchange-node:nth-of-type(4) { top: 214px; }
  .exchange-node:nth-of-type(5), .exchange-node:nth-of-type(6) { top: 269px; }
  .exchange-node:nth-of-type(7), .exchange-node:nth-of-type(8) { top: 324px; }
  .exchange-node:nth-of-type(9) { top: 379px; }
  .exchange-detail { display: block; padding: 25px 18px; }
  .exchange-detail h2 { font-size: 36px; margin-top: 20px; }
  .exchange-detail > p { font-size: 13px; min-height: 73px; }
  .exchange-detail .exchange-note { margin-top: 20px; }
  .exchange-boundary > span { max-width: none; }
  .integration-boundary { display: block; }
  .integration-boundary .code-surface { margin-top: 30px; }
  .developer-workbench { display: block; }
  .developer-rail { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; }
  .developer-rail a { grid-column: 1 / -1; padding-block: 10px; }
  .developer-rail button { min-height: 44px; }
  [data-developer-code] .code-surface { border-right: 0; }
  [data-developer-code] pre { min-height: 422px; padding: 18px 14px; font-size: 10px; white-space: pre-wrap; overflow-wrap: anywhere; }
  .developer-explanation { padding: 26px 18px; }
  .developer-event { margin-top: 25px; }
  .developer-event p { max-width: 300px; }
  .developer-wire { height: 30px; }
  .developer-event-score { flex-direction: column; align-items: start; padding: 25px 0; gap: 14px; }
  .developer-event-score > span { font-size: 12px; }
  .developer-event-score > i { flex: 0 0 auto; width: 1px; height: 22px; margin-left: 7px; }
  .developer-score-foot { display: block; }
  .developer-score-foot .vf-link { margin-top: 12px; }
  .docs-v2 { display: block; padding-top: 15px; }
  .docs-v2-sidebar { position: static; }
  .docs-home { font-size: 12px; padding-bottom: 17px; }
  .docs-v2-sidebar nav { flex-direction: row; flex-wrap: wrap; gap: 5px 16px; padding-bottom: 20px; border-left: 0; border-bottom: 1px solid var(--vf-line); }
  .docs-v2-sidebar nav a { padding: 7px 0; font-size: 11px; }
  .docs-sidebar-note { display: none; }
  .docs-v2-header { padding-top: 27px; }
  .docs-v2-header h1 { font-size: 46px; }
  .docs-v2-header > p { font-size: 13px; }
  .docs-search-v2 { padding: 10px 13px; gap: 10px; }
  .docs-search-v2 input { font-size: 12px; }
  .docs-search-v2 kbd { display: none; }
  .docs-articles { margin-top: 28px; }
  .doc-article { padding-block: 26px; }
  .doc-article-heading h2 { font-size: 28px; }
  .doc-detail { padding: 20px 18px; }
  .doc-detail :is(p,li) { font-size: 12px; }
}
.pricing-v2 { margin-bottom: 65px; }
.pricing-stage-label { display: flex; justify-content: space-between; border-bottom: 1px solid var(--vf-line); padding: 15px 0; font: 9px var(--font-mono); color: var(--vf-muted); }
.plan-columns { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--vf-line); }
.plan-column { padding: 24px 35px 35px; border-right: 1px solid var(--vf-line); }
.plan-column:first-child { padding-left: 0; }
.plan-column:last-child { border-right: 0; padding-right: 0; }
.plan-column:nth-child(2) { background: #f0f3ef; }
.plan-signal { display: flex; align-items: center; gap: 7px; height: 100px; margin-bottom: 23px; }
.plan-signal i { width: 2px; height: var(--level); background: var(--vf-blue); opacity: .75; }
.plan-index { font: 9px var(--font-mono); color: var(--vf-muted); }
.plan-column h2 { font-size: 41px; letter-spacing: -.045em; margin: 17px 0 14px; }
.plan-description { font-size: 13px; line-height: 1.8; color: var(--vf-muted); max-width: 230px; min-height: 57px; }
.plan-commercial { margin-top: 42px; padding-top: 25px; border-top: 1px solid var(--vf-line); }
.plan-commercial h3 { font-size: 23px; margin: 0 0 25px; letter-spacing: -.035em; }
.plan-commercial .vf-link { font-size: 12px; min-width: 160px; }
.pricing-topics { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--vf-line); gap: 50px; padding: 27px 0; }
.pricing-topics span { font-size: 15px; }
.pricing-topics p { font-size: 12px; color: var(--vf-muted); line-height: 1.8; margin: 10px 0 0; }
.pricing-contact-line { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-top: 32px; }
.pricing-contact-line > p { font-size: 24px; letter-spacing: -.03em; margin: 0; }
.contact-v2 { padding-block: 36px 80px; }
.contact-v2-layout { display: grid; grid-template-columns: 1.15fr 1fr; gap: 100px; padding-top: 44px; }
.contact-v2-copy h1 { font-size: clamp(52px, 5.6vw, 82px); line-height: 1.1; letter-spacing: -.055em; margin: 0 0 29px; }
.contact-v2-copy > p { font-size: 15px; color: var(--vf-muted); line-height: 1.9; max-width: 365px; margin-bottom: 35px; }
.contact-v2-email { font-size: 33px; letter-spacing: -.04em; color: #1b4dcc; display: flex; align-items: center; gap: 35px; margin-bottom: 30px; }
.contact-v2-email .icon { width: 23px; height: 23px; }
.contact-v2-signal { max-width: 395px; margin-top: 50px; border-block: 1px solid var(--vf-line); padding: 24px 0; }
.contact-v2-signal > span { display: block; font: 9px var(--font-mono); color: var(--vf-muted); margin-top: 20px; }
.contact-v2-details { margin-top: 28px; }
.contact-v2-details > span { font-size: 12px; }
.contact-v2-details p { font-size: 12px; color: var(--vf-muted); line-height: 1.9; margin-top: 10px; }
.contact-composer { border: 1px solid var(--vf-line); padding: 33px; background: #fff; }
.composer-heading h2 { font-size: 27px; letter-spacing: -.035em; margin: 19px 0 13px; }
.composer-heading p { font-size: 12px; color: var(--vf-muted); line-height: 1.9; margin-bottom: 30px; }
.contact-v2-form label { display: block; margin-bottom: 21px; min-width: 0; }
.contact-v2-form label > span { display: block; font-size: 11px; color: var(--vf-muted); margin-bottom: 9px; }
.contact-v2-form small { font-size: 9px; }
.contact-v2-form :is(input,select,textarea) { width: 100%; background: var(--vf-paper); border: 1px solid var(--vf-line); border-radius: 2px; padding: 12px; font: 12px/1.65 var(--font-body); color: var(--vf-ink); }
.contact-v2-form textarea { resize: vertical; min-height: 140px; }
.contact-v2-form .form-row { gap: 17px; }
.contact-v2-form .chapter-button { width: 100%; }
.contact-v2-form .contact-mailto-fallback { display: block; color: #1b4dcc; font-size: 11px; margin-top: 18px; }
.contact-v2-form .form-status { display: block; font-size: 10px; color: var(--vf-muted); line-height: 1.8; margin-bottom: 0; background: transparent; border: 0; padding: 0; }
.contact-v2-form .form-status.is-active { color: #1b4dcc; }
@media (max-width: 980px) {
  .plan-column { padding-inline: 23px; }
  .plan-column h2 { font-size: 31px; }
  .plan-commercial h3 { font-size: 21px; }
  .plan-commercial .vf-link { min-width: 0; gap: 20px; font-size: 11px; }
  .plan-description { font-size: 12px; min-height: 65px; }
  .contact-v2-layout { gap: 35px; grid-template-columns: 1fr 1fr; }
  .contact-v2-copy h1 { font-size: 49px; }
  .contact-v2-copy > p { font-size: 13px; }
  .contact-composer { padding: 23px; }
  .contact-v2-email { font-size: 26px; gap: 25px; }
  .contact-v2-form .form-row { display: block; }
}
@media (max-width: 640px) {
  .pricing-v2 { margin-bottom: 40px; }
  .pricing-stage-label { font-size: 8px; }
  .plan-columns { display: block; }
  .plan-column { position: relative; padding: 25px 0 !important; border-right: 0; border-bottom: 1px solid var(--vf-line); display: grid; grid-template-columns: 1fr 90px; }
  .plan-column:last-child { border-bottom: 0; }
  .plan-column:nth-child(2) { background: transparent; }
  .plan-index { grid-column: 1; }
  .plan-column h2 { grid-column: 1; font-size: 36px; }
  .plan-description { grid-column: 1 / -1; max-width: none; min-height: 0; }
  .plan-signal { position: absolute; right: 0; top: 20px; height: 85px; width: 80px; gap: 3px; }
  .plan-signal i { flex: 0 0 1px; }
  .plan-commercial { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; margin-top: 8px; padding-top: 18px; gap: 14px; }
  .plan-commercial h3 { font-size: 21px; margin: 0; max-width: 110px; }
  .plan-commercial .vf-link { font-size: 11px; }
  .pricing-topics { grid-template-columns: 1fr; gap: 25px; }
  .pricing-contact-line { display: block; }
  .pricing-contact-line > p { font-size: 24px; margin-bottom: 22px; }
  .contact-v2 { padding-block: 25px 45px; }
  .contact-v2-layout { display: block; padding-top: 29px; }
  .contact-v2-copy h1 { font-size: 49px; }
  .contact-v2-copy > p { margin-bottom: 25px; }
  .contact-v2-email { font-size: 32px; }
  .contact-v2-signal { margin-block: 30px; padding: 15px 0; }
  .contact-v2-signal .chapter-wave { height: 56px; }
  .contact-v2-details { display: none; }
  .contact-composer { padding: 25px 18px; }
  .composer-heading h2 { font-size: 26px; }
  .contact-v2-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .contact-v2-form :is(input,textarea,select) { font-size: 13px; }
}
.about-v2 { padding-top: 36px; }
.about-title { display: grid; grid-template-columns: 1.6fr 1fr; gap: 80px; align-items: end; padding-block: 45px 55px; }
.about-title h1 { font-size: clamp(54px,6.5vw,96px); letter-spacing: -.055em; line-height: 1.1; margin: 0; }
.about-title p { max-width: 340px; justify-self: end; font-size: 15px; color: var(--vf-muted); line-height: 1.9; margin: 0 0 6px; }
.about-wordmark { position: relative; display: grid; grid-template-columns: 1fr 1fr; column-gap: 90px; padding-block: 50px; border-block: 1px solid var(--vf-line); margin-bottom: 70px; }
.about-wordmark > div:not(.about-score) { display: flex; flex-direction: column; justify-content: space-between; gap: 145px; }
.about-wordmark > div > span { font-size: clamp(72px,8vw,119px); letter-spacing: -.06em; line-height: 1; color: var(--vf-blue); }
.about-wordmark > div > p { font-size: 12px; line-height: 1.9; color: var(--vf-muted); margin: 0; }
.about-score { position: absolute; left: 0; width: 100%; top: 41%; pointer-events: none; }
.about-score .chapter-wave { height: 110px; }
.about-principles { display: grid; grid-template-columns: repeat(3,1fr); gap: 50px; }
.about-principles > div { border-top: 1px solid var(--vf-line); padding-top: 24px; }
.about-principles h3 { font-size: 22px; letter-spacing: -.03em; margin-bottom: 15px; }
.about-principles p { font-size: 13px; color: var(--vf-muted); line-height: 1.9; }
.security-v2 { display: grid; grid-template-columns: 1.1fr 1fr; border: 1px solid var(--vf-line); }
.security-map { padding: 40px; display: flex; flex-direction: column; justify-content: center; }
.security-boundary { border: 1px solid #a7bdf0; padding: 22px; }
.security-boundary > span { display: block; font: 9px var(--font-mono); color: var(--vf-muted); margin-bottom: 22px; }
.security-boundary.middle { background: #f8faf6; }
.security-boundary.inner { min-height: 140px; background: #eaf0ff; color: #1b4dcc; display: flex; align-items: center; justify-content: center; gap: 22px; }
.security-boundary.inner strong { font-size: 24px; font-weight: 500; line-height: 1.4; letter-spacing: -.03em; }
.security-map > p { font: 9px var(--font-mono); color: var(--vf-muted); margin: 23px 0 0; }
.security-copy { padding: 37px 40px; background: #fff; border-left: 1px solid var(--vf-line); }
.security-copy > div { padding: 25px 0; border-bottom: 1px solid var(--vf-line); }
.security-copy > div:last-child { border-bottom: 0; padding-bottom: 0; }
.security-copy h2 { font-size: 26px; letter-spacing: -.035em; margin: 0 0 13px; }
.security-copy p { font-size: 13px; color: var(--vf-muted); line-height: 1.9; margin: 0; }
.security-contact { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 30px; }
.security-contact h2 { font-size: 36px; letter-spacing: -.04em; }
.security-contact p { font-size: 13px; color: var(--vf-muted); }
.security-legal-links { grid-column: 1 / -1; display: flex; gap: 35px; }
.bulletin-v2 { padding-block: 36px 80px; }
.bulletin-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 100px; padding-top: 50px; min-height: 510px; }
.bulletin-layout header h1 { font-size: clamp(52px,5vw,77px); line-height: 1.1; letter-spacing: -.055em; margin: 0 0 30px; }
.bulletin-layout header p { font-size: 14px; line-height: 1.9; color: var(--vf-muted); max-width: 360px; }
.status-bulletin { border: 1px solid var(--vf-line); background: #fff; padding: 30px; }
.bulletin-top { display: flex; align-items: center; gap: 10px; font-size: 12px; border-bottom: 1px solid var(--vf-line); padding-bottom: 23px; }
.bulletin-marker { width: 9px; height: 9px; border: 1px solid var(--vf-muted); }
.status-bulletin h2 { font-size: 38px; letter-spacing: -.04em; margin: 33px 0 18px; }
.status-bulletin > p { font-size: 13px; line-height: 1.9; color: var(--vf-muted); max-width: 470px; }
.status-question { margin-top: 30px; padding: 23px 0; border-top: 1px solid var(--vf-line); }
.status-question > span { display: block; font-size: 11px; color: var(--vf-muted); margin-bottom: 12px; }
.status-question a { display: flex; align-items: center; gap: 30px; font-size: 22px; letter-spacing: -.03em; color: #1b4dcc; }
.bulletin-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 15px; }
.bulletin-bottom > span { font: 9px var(--font-mono); color: var(--vf-muted); }
.bulletin-bottom .vf-link { font-size: 11px; }
.release-ledger { display: flex; flex-direction: column; }
.release-ledger-head { display: flex; justify-content: space-between; border-block: 1px solid var(--vf-line); padding: 20px 0; font: 9px var(--font-mono); color: var(--vf-muted); }
.release-empty { position: relative; padding: 38px 30px 38px 45px; border-left: 1px solid #b2c4ee; margin-left: 9px; flex: 1; }
.release-mark { position: absolute; top: 39px; left: -10px; background: var(--vf-paper); color: var(--vf-blue); font: 23px var(--font-mono); }
.release-empty h2 { font-size: 35px; letter-spacing: -.04em; line-height: 1.25; margin-bottom: 20px; }
.release-empty p { font-size: 13px; line-height: 1.9; color: var(--vf-muted); max-width: 375px; }
.release-ledger-foot { display: flex; align-items: center; justify-content: space-between; gap: 25px; border-block: 1px solid var(--vf-line); padding: 15px 0; font-size: 11px; color: var(--vf-muted); }
.release-ledger-foot .vf-link { font-size: 11px; }
.access-v2 { padding-block: 36px 80px; }
.access-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 110px; padding-top: 45px; }
.access-story h1 { font-size: clamp(54px,6vw,88px); letter-spacing: -.055em; line-height: 1.1; margin: 0 0 28px; }
.access-story > p { font-size: 14px; color: var(--vf-muted); line-height: 1.9; max-width: 355px; }
.access-score { border-block: 1px solid var(--vf-line); padding: 25px 0; margin-top: 40px; }
.access-score > span { display: block; font: 9px var(--font-mono); color: var(--vf-muted); margin-top: 20px; }
.access-panel { border: 1px solid var(--vf-line); background: #fff; padding: 32px; }
.access-panel > h2 { font-size: 29px; letter-spacing: -.035em; margin: 22px 0; }
.access-panel .auth-unavailable { border: 0; border-radius: 0; padding: 0 0 25px; background: transparent; margin: 0; }
.access-panel .auth-unavailable strong { font-size: 13px; font-weight: 500; color: var(--vf-ink); line-height: 1.8; }
.access-panel .auth-unavailable p { font-size: 12px; color: var(--vf-muted); margin: 9px 0 18px; }
.access-panel .vf-link { font-size: 12px; }
.access-panel fieldset { border: 0; border-top: 1px solid var(--vf-line); margin: 0; padding: 23px 0 0; }
.access-panel legend { padding: 0 8px 0 0; font-size: 10px; color: var(--vf-muted); }
.access-panel label { display: block; margin-bottom: 18px; }
.access-panel label > span { display: block; font-size: 11px; color: var(--vf-muted); margin-bottom: 9px; }
.access-panel input { border: 1px solid var(--vf-line); border-radius: 2px; background: #f3f5f1; width: 100%; min-height: 44px; padding: 10px; }
.access-panel button { width: 100%; min-height: 44px; background: #edf1e9; border: 1px solid #ced8cd; color: #53615d; border-radius: 2px; font-size: 12px; }
.access-panel .form-status { display: block; font-size: 10px; color: var(--vf-muted); line-height: 1.8; padding: 0; margin-top: 12px; }
.access-bottom { margin: 10px 0 0; }
.vf-chapter .legal-page { background: var(--vf-paper); padding-top: 48px; }
.vf-chapter .legal-container { max-width: 850px; }
.vf-chapter .legal-header { border-color: var(--vf-line); }
.vf-chapter .legal-header h1 { font-weight: 500; font-size: 64px; letter-spacing: -.05em; color: var(--vf-ink); }
.vf-chapter .legal-header p { color: var(--vf-muted); }
.vf-chapter .legal-content { color: var(--vf-muted); }
.vf-chapter .legal-content h2 { font-weight: 500; color: var(--vf-ink); letter-spacing: -.025em; margin-top: 37px; }
.vf-chapter .legal-content :is(p,li) { font-size: 14px; line-height: 1.95; }
@media (max-width: 980px) {
  .about-title { gap: 40px; }
  .about-title h1 { font-size: 55px; }
  .about-wordmark { column-gap: 40px; }
  .about-wordmark > div > span { font-size: 66px; }
  .about-principles { gap: 25px; }
  .security-map { padding: 25px; }
  .security-boundary { padding: 17px; }
  .security-boundary.inner { gap: 12px; }
  .security-boundary.inner strong { font-size: 19px; }
  .security-copy { padding: 28px 25px; }
  .security-copy h2 { font-size: 23px; }
  .bulletin-layout { gap: 40px; }
  .bulletin-layout header h1 { font-size: 49px; }
  .status-bulletin { padding: 25px; }
  .status-bulletin h2 { font-size: 30px; }
  .bulletin-bottom { display: block; }
  .bulletin-bottom > span { display: none; }
  .access-layout { gap: 40px; grid-template-columns: 1fr 1fr; }
  .access-story h1 { font-size: 54px; }
  .access-panel { padding: 25px; }
}
@media (max-width: 640px) {
  .contact-v2-copy h1 { font-size: 45px; }
  .plan-commercial h3 { max-width: 135px; }
  .about-v2 { padding-top: 25px; }
  .about-title { display: block; padding-block: 32px; }
  .about-title h1 { font-size: 47px; }
  .about-title p { font-size: 13px; margin-top: 25px; }
  .about-wordmark { display: flex; flex-direction: column; gap: 110px; padding-block: 32px; margin-bottom: 40px; }
  .about-wordmark > div:not(.about-score) { gap: 20px; }
  .about-wordmark > div > span { font-size: 62px; }
  .about-wordmark > div > p { font-size: 11px; }
  .about-score { top: 40%; }
  .about-score .chapter-wave { height: 77px; }
  .about-principles { grid-template-columns: 1fr; gap: 20px; }
  .about-principles p { font-size: 12px; }
  .security-v2 { display: block; }
  .security-map { padding: 22px 17px; }
  .security-boundary { padding: 16px; }
  .security-boundary > span { font-size: 8px; }
  .security-copy { border-left: 0; border-top: 1px solid var(--vf-line); padding: 25px 20px; }
  .security-contact { display: block; }
  .security-contact h2 { font-size: 31px; line-height: 1.2; }
  .security-contact p { font-size: 12px; line-height: 1.9; }
  .security-contact > .vf-link { margin-top: 10px; }
  .security-legal-links { margin-top: 27px; gap: 25px; }
  .security-legal-links .vf-link { font-size: 11px; }
  .bulletin-v2 { padding-block: 25px 45px; }
  .bulletin-layout { display: block; padding-top: 30px; }
  .bulletin-layout header h1 { font-size: 49px; }
  .bulletin-layout header p { font-size: 13px; }
  .status-bulletin, .release-ledger { margin-top: 30px; }
  .status-bulletin { padding: 24px 18px; }
  .status-bulletin h2 { font-size: 32px; }
  .status-bulletin > p { font-size: 12px; }
  .release-empty { padding: 30px 18px 30px 28px; }
  .release-empty h2 { font-size: 31px; }
  .release-mark { top: 28px; }
  .release-ledger-foot { font-size: 10px; gap: 15px; }
  .access-v2 { padding-block: 25px 45px; }
  .access-layout { display: block; padding-top: 30px; }
  .access-story h1 { font-size: 49px; }
  .access-story > p { font-size: 13px; }
  .access-score { padding: 17px 0; margin: 30px 0; }
  .access-score .chapter-wave { height: 65px; }
  .access-panel { padding: 25px 18px; }
  .access-panel > h2 { font-size: 26px; }
  .vf-chapter .legal-page { padding-top: 32px; }
  .vf-chapter .legal-container { width: calc(100% - 40px); }
  .vf-chapter .legal-header h1 { font-size: 44px; }
  .vf-chapter .legal-content h2 { font-size: 22px; }
  .vf-chapter .legal-content :is(p,li) { font-size: 13px; line-height: 1.9; }
}
@media (prefers-reduced-motion: reduce) {
  .chapter *, .chapter *::before, .chapter *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}