@font-face { font-family: 'VF Manrope'; src: url('/fonts/manrope-latin-variable.woff2') format('woff2'); font-weight: 400 800; font-style: normal; font-display: swap; }

.vf-homepage { --vf-paper: #fafbf8; --vf-ink: #182521; --vf-muted: #5e6866; --vf-line: #d9dfda; --vf-blue: #2563ff; --font-headline: 'VF Manrope', Arial, sans-serif; --font-body: 'VF Manrope', Arial, sans-serif; --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace; color: var(--vf-ink); background: var(--vf-paper); }
.vf-homepage .site-header { min-height: 80px; background: rgba(250,251,248,.97); border-bottom-color: var(--vf-line); backdrop-filter: none; }
.vf-homepage .nav-shell { width: min(calc(100% - 96px), 1328px); min-height: 80px; grid-template-columns: 120px 1fr auto; }
.vf-homepage .brand-logo { height: 31px; mix-blend-mode: multiply; }
.vf-homepage .desktop-nav { gap: 22px; }
.vf-homepage .desktop-nav a, .vf-homepage .nav-group summary, .vf-homepage .nav-docs { font-family: var(--font-body); font-size: 12px; font-weight: 600; letter-spacing: 0; }
.vf-homepage .btn-nav { min-height: 40px; border-radius: 2px; padding: 0 17px; font-size: 12px; }
.vf-homepage .desktop-actions { gap: 20px; }
.vf-homepage :focus-visible { outline: 2px solid var(--vf-blue); outline-offset: 5px; border-radius: 1px; }
.vf-homepage .mobile-menu { max-height: calc(100dvh - 72px); overflow-y: auto; overscroll-behavior: contain; }
.vf-wrap { width: min(calc(100% - 96px), 1328px); margin-inline: auto; }
.vf-home h1, .vf-home h2, .vf-home h3 { color: var(--vf-ink); font-weight: 500; }
.vf-home button { cursor: pointer; }
.vf-home .icon { width: 20px; height: 20px; flex: 0 0 auto; }
.vf-mono { font-family: var(--font-mono); font-size: 10px; font-weight: 400; letter-spacing: .045em; line-height: 1.5; }
.vf-dot { display: inline-block; height: 6px; width: 6px; border-radius: 50%; background: var(--vf-blue); vertical-align: middle; flex: 0 0 auto; }
.vf-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 48px; color: var(--vf-ink); font-size: 13px; font-weight: 600; border-bottom: 1px solid var(--vf-line); transition: color .18s, border-color .18s; }
.vf-link .icon { width: 18px; height: 18px; transition: transform .18s; }
.vf-link:hover { color: var(--vf-blue); border-bottom-color: var(--vf-blue); }
.vf-link:hover .icon { transform: translateX(4px); }
.vf-primary { padding: 0 20px; background: var(--vf-blue); border: 1px solid var(--vf-blue); color: #fff; border-radius: 2px; }
.vf-primary:hover { background: #1c51dc; color: #fff; }
.vf-hero { padding-top: 34px; }
.vf-hero-eyebrow { display: flex; align-items: center; justify-content: space-between; color: var(--vf-muted); }
.vf-hero-eyebrow .vf-dot { margin-right: 10px; }
.vf-hero-title { display: grid; grid-template-columns: 1.65fr 1fr; gap: 40px; align-items: end; padding: 38px 0 34px; }
.vf-hero h1 { font-size: clamp(80px, 8.6vw, 132px); line-height: 1.02; letter-spacing: -.058em; word-spacing: .045em; margin: 0; }
.vf-hero h1 > span { display: block; color: var(--vf-blue); }
.vf-hero-aside { padding-bottom: 4px; max-width: 360px; justify-self: end; width: 100%; }
.vf-cross { color: var(--vf-blue); font-size: 32px; font-weight: 400; line-height: 1; display: block; margin-bottom: 22px; }
.vf-hero-aside h2 { font-size: 24px; letter-spacing: -.025em; line-height: 1.4; margin-bottom: 12px; }
.vf-hero-aside p { font-size: 14px; line-height: 1.75; color: var(--vf-muted); max-width: 270px; margin-bottom: 24px; }
.vf-hero-actions { display: flex; align-items: center; gap: 26px; }
.vf-score { position: relative; border: 1px solid var(--vf-line); background: #f5f7f3; }
.vf-score-top { min-height: 43px; display: flex; justify-content: space-between; align-items: center; padding: 0 22px; border-bottom: 1px solid var(--vf-line); }
.vf-score-top .vf-dot { margin-right: 8px; height: 5px; width: 5px; }
.vf-score-note { color: var(--vf-muted); font-size: 9px; }
.vf-score-art { display: block; width: 100%; height: auto; max-height: 305px; }
.vf-score-mobile { display: none; }
.vf-score-node text { font-family: var(--font-mono); font-size: 10px; letter-spacing: .02em; fill: #1744b1; }
.vf-score-cursor { transition: transform .85s cubic-bezier(.22,1,.36,1); }
.vf-score[data-stage='decide'] .vf-score-cursor { transform: translateX(277px); }
.vf-score[data-stage='respond'] .vf-score-cursor { transform: translateX(652px); }
.vf-score-wave, .vf-score-output { transform-origin: center; transform-box: fill-box; transition: opacity .4s; }
.vf-score[data-stage='respond'] .vf-score-wave { opacity: .4; }
.vf-score[data-stage='listen'] .vf-score-output { opacity: .5; }
.vf-score-packet { stroke: var(--vf-blue); stroke-width: 2.2; stroke-dasharray: 7 93; stroke-dashoffset: 7; opacity: 0; }
.vf-score.is-playing .vf-score-packet { animation: vf-signal-travel 2.1s linear 3; animation-delay: var(--delay); }
.vf-score.is-arriving .vf-score-packet { animation: vf-signal-travel 1.6s ease-in-out both; animation-delay: var(--delay); }
.vf-score.is-arriving .vf-score-cursor { animation: vf-cursor-arrive 1.6s cubic-bezier(.22,1,.36,1) both; }
.vf-score.is-playing[data-stage='listen'] .vf-score-wave, .vf-score.is-playing[data-stage='respond'] .vf-score-output { animation: vf-voice-level .7s ease-in-out 3 alternate; }
.vf-score-node rect, .vf-score-node circle, .vf-mobile-node rect { transition: fill .35s, stroke .35s; }
.vf-score[data-stage='decide'] .vf-score-node rect, .vf-score[data-stage='decide'] .vf-mobile-node rect { fill: #e7eeff; stroke: var(--vf-blue); }
@keyframes vf-signal-travel { 0% { stroke-dashoffset: 7; opacity: 0; } 12%, 80% { opacity: 1; } 100% { stroke-dashoffset: -100; opacity: 0; } }
@keyframes vf-cursor-arrive { from { opacity: 0; translate: -40px 0; } to { opacity: 1; translate: 0 0; } }
@keyframes vf-voice-level { from { transform: scaleY(.72); } to { transform: scaleY(1); } }
.vf-score-bottom { display: flex; align-items: center; justify-content: space-between; min-height: 59px; gap: 24px; border-top: 1px solid var(--vf-line); background: var(--vf-paper); padding: 0 22px; }
.vf-stage-controls { display: flex; gap: 6px; }
.vf-stage-controls button { display: flex; gap: 10px; align-items: center; height: 40px; background: transparent; border: 0; color: var(--vf-muted); padding: 0 12px; font-family: var(--font-mono); font-size: 9px; }
.vf-stage-controls button span { font-family: var(--font-body); font-size: 12px; font-weight: 600; }
.vf-stage-controls button[aria-pressed='true'] { color: #1b4dcc; background: #eaf0ff; }
.vf-score-bottom p { margin: 0; font-size: 12px; color: var(--vf-muted); }
.vf-play { display: flex; align-items: center; gap: 22px; height: 44px; background: transparent; border: 0; padding: 0; color: var(--vf-blue); font-size: 12px; font-weight: 600; }
.vf-play > span:last-child { font-size: 22px; }
.vf-simulation { position: absolute; right: 0; bottom: -28px; font-family: var(--font-mono); font-size: 9px; color: var(--vf-muted); }
.vf-hero-foot { display: flex; justify-content: space-between; align-items: end; padding: 39px 0 51px; }
.vf-hero-foot p { color: var(--vf-muted); margin: 0; font-size: 13px; line-height: 1.8; }
.vf-hero-foot strong { font-weight: 500; color: var(--vf-ink); }
.vf-hero-foot > a { display: flex; gap: 37px; align-items: center; font-size: 12px; }
.vf-hero-foot > a span { color: var(--vf-blue); font-size: 23px; }
.vf-section { --section-space: 84px; position: relative; border-top: 1px solid var(--vf-line); padding: var(--section-space) 0; scroll-margin-top: 100px; }
:is(.vf-section, .vf-closing)::before, :is(.vf-section, .vf-closing)::after { content: ''; position: absolute; top: -24px; left: calc(max(48px, (100% - 1328px) / 2) + 14px); height: calc(var(--section-space) + 24px); width: 1px; background: #c4d1ed; pointer-events: none; }
:is(.vf-section, .vf-closing)::after { background: var(--vf-blue); transform: scaleY(.24); transform-origin: top; }
:is(.vf-section, .vf-closing).is-entered::after { transform: scaleY(1); opacity: .3; }
:is(.vf-section, .vf-closing).is-threading::after { animation: vf-thread-draw 1.1s cubic-bezier(.22,1,.36,1) both; }
@keyframes vf-thread-draw { 0% { transform: scaleY(.08); opacity: .3; } 70% { transform: scaleY(1); opacity: .8; } 100% { transform: scaleY(1); opacity: .3; } }
.vf-eyebrow { display: flex; align-items: center; gap: 15px; font-family: var(--font-mono); color: var(--vf-muted); letter-spacing: .05em; font-size: 10px; }
.vf-eyebrow > span { display: grid; place-items: center; height: 26px; width: 28px; border: 1px solid #b9cafa; color: var(--vf-blue); }
.vf-section-heading { display: grid; grid-template-columns: 1.5fr 1fr; align-items: end; gap: 70px; margin: 29px 0 42px; }
.vf-section-heading h2 { margin: 0; font-size: clamp(40px, 4.2vw, 64px); line-height: 1.12; letter-spacing: -.048em; word-spacing: .04em; }
.vf-home em { color: var(--vf-blue); font-style: normal; }
.vf-section-heading > div { max-width: 340px; justify-self: end; }
.vf-section-heading p { font-size: 14px; color: var(--vf-muted); line-height: 1.8; margin-bottom: 14px; }
.vf-section-heading .vf-link { min-height: 40px; }
.vf-workspace { border: 1px solid var(--vf-line); box-shadow: 0 12px 28px -24px #75816c; }
.vf-workspace-bar, .vf-panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 50px; padding: 0 24px; border-bottom: 1px solid var(--vf-line); }
.vf-demo-tag { color: var(--vf-muted); font-family: var(--font-mono); font-size: 9px; letter-spacing: .02em; }
.vf-workspace-body { display: grid; grid-template-columns: .85fr 1.4fr; }
.vf-conversation { display: flex; flex-direction: column; padding: 27px 30px; border-right: 1px solid var(--vf-line); background: #fff; }
.vf-small-label { color: var(--vf-muted); font-size: 9px; }
.vf-utterance { margin-top: 25px; }
.vf-utterance > span { font-family: var(--font-mono); font-size: 9px; color: var(--vf-muted); display: flex; align-items: center; gap: 8px; }
.vf-utterance p { font-size: 21px; line-height: 1.55; letter-spacing: -.02em; margin: 9px 0 0; min-height: 65px; }
.vf-agent-utterance p { color: var(--vf-blue); font-size: 19px; }
.vf-intent { margin: auto 0 0; padding-top: 25px; }
.vf-intent > span { color: var(--vf-muted); font-size: 9px; }
.vf-intent strong { font-family: var(--font-mono); font-size: 11px; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 0 15px; color: var(--vf-blue); font-weight: 400; }
.vf-voice-layers { border-top: 1px solid var(--vf-line); display: flex; gap: 25px; padding-top: 18px; }
.vf-voice-layers > span { font-family: var(--font-mono); font-size: 10px; color: var(--vf-ink); }
.vf-voice-layers b { display: block; color: var(--vf-muted); font-family: var(--font-body); font-weight: 400; font-size: 11px; margin-top: 4px; }
.vf-graph { background-color: #f1f4ef; background-image: radial-gradient(#cfd7cd .7px, transparent .7px); background-size: 16px 16px; padding: 27px 30px; }
.vf-graph .vf-small-label { display: flex; justify-content: space-between; }
.vf-graph .vf-small-label > span { color: var(--vf-blue); }
.vf-graph-origin { position: relative; margin: 27px auto 0; width: 235px; padding: 16px; display: flex; align-items: center; gap: 14px; background: var(--vf-paper); border: 1px solid #b6c6ee; border-radius: 2px; }
.vf-graph-origin > .icon { color: var(--vf-blue); width: 28px; height: 28px; }
.vf-graph-origin div > span { font-family: var(--font-mono); font-size: 9px; color: var(--vf-muted); display: block; margin-bottom: 5px; }
.vf-graph-origin strong { font-size: 13px; font-weight: 500; }
.vf-node-port { position: absolute; bottom: -4px; left: calc(50% - 4px); width: 7px; height: 7px; border: 1px solid var(--vf-blue); background: white; z-index: 1; }
.vf-branches { height: 56px; }
.vf-branches svg { width: 100%; height: 100%; fill: none; stroke: #9eb5ec; stroke-width: 1; }
.vf-branch { transition: stroke .25s; }
.vf-branch-packet { stroke: var(--vf-blue); stroke-width: 2.5; stroke-dasharray: 8 92; stroke-dashoffset: 8; opacity: 0; }
.vf-workspace[data-path='tool'] .vf-branch-tool, .vf-workspace[data-path='knowledge'] .vf-branch-knowledge, .vf-workspace[data-path='handoff'] .vf-branch-handoff { stroke: var(--vf-blue); }
.vf-workspace.is-signaling[data-path='tool'] .vf-branch-packet.vf-branch-tool, .vf-workspace.is-signaling[data-path='knowledge'] .vf-branch-packet.vf-branch-knowledge, .vf-workspace.is-signaling[data-path='handoff'] .vf-branch-packet.vf-branch-handoff { animation: vf-signal-travel .65s ease-in-out both; }
.vf-workspace.is-signaling .vf-paths [aria-pressed='true'] { animation: vf-node-arrive .8s ease .2s both; }
.vf-workspace.is-signaling .vf-action-detail { animation: vf-detail-arrive .55s ease .25s both; }
@keyframes vf-node-arrive { 40% { box-shadow: 0 0 0 4px #2563ff18; border-color: var(--vf-blue); } }
@keyframes vf-detail-arrive { from { opacity: .5; } to { opacity: 1; } }
.vf-paths { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.vf-paths button { position: relative; display: flex; flex-direction: column; align-items: flex-start; padding: 16px 14px; border: 1px solid #cdd6ca; border-radius: 2px; background: var(--vf-paper); text-align: left; transition: border-color .18s, background .18s, transform .18s; }
.vf-paths button[aria-pressed='true'] { background: #eaf0ff; border-color: var(--vf-blue); box-shadow: 0 0 0 1px var(--vf-blue); }
.vf-paths button > .icon { color: var(--vf-blue); width: 19px; height: 19px; margin-bottom: 16px; }
.vf-paths button > span { font-size: 13px; font-weight: 600; }
.vf-paths small { font-size: 10px; color: var(--vf-muted); margin-top: 4px; }
.vf-action-detail { margin-top: 25px; border-top: 1px solid #cbd6c8; padding-top: 18px; min-height: 107px; }
.vf-action-detail > div { display: flex; align-items: center; justify-content: space-between; }
.vf-action-detail .vf-mono { font-size: 9px; color: var(--vf-muted); }
.vf-ready { display: flex; gap: 6px; align-items: center; font-size: 10px; color: #346648; }
.vf-ready .vf-dot { width: 4px; height: 4px; background: #448554; }
.vf-action-detail code { display: block; margin: 11px 0 5px; color: #214fbd; font-family: var(--font-mono); font-size: 11px; overflow-wrap: anywhere; }
.vf-action-detail p { margin: 0; color: var(--vf-muted); font-size: 11px; }
.vf-workspace-foot { display: flex; align-items: center; justify-content: space-between; gap: 18px; border-top: 1px solid var(--vf-line); min-height: 49px; padding: 12px 24px; }
.vf-workspace-foot > span, .vf-workspace-foot > a { display: flex; align-items: center; gap: 9px; font-size: 11px; }
.vf-workspace-foot > span { color: var(--vf-muted); }
.vf-workspace-foot .icon { width: 16px; height: 16px; color: var(--vf-blue); }
.vf-workspace-foot > a { color: var(--vf-blue); }
.vf-principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 42px; margin-top: 42px; }
.vf-principles > div { border-left: 1px solid var(--vf-line); padding-left: 22px; }
.vf-principles .vf-mono { font-size: 9px; color: var(--vf-muted); }
.vf-principles h3 { font-size: 18px; letter-spacing: -.035em; margin: 11px 0 9px; }
.vf-principles p { font-size: 12px; color: var(--vf-muted); line-height: 1.8; max-width: 300px; margin: 0; }
.vf-telephony { background: #f0f3ef; }
.vf-route-console { border-top: 1px solid #c9d2c6; border-bottom: 1px solid #c9d2c6; display: grid; grid-template-columns: 218px minmax(0, 1fr); }
.vf-channels { display: flex; flex-direction: column; justify-content: center; border-right: 1px solid #c9d2c6; padding: 29px 24px 29px 0; }
.vf-channels button { position: relative; display: flex; align-items: center; gap: 13px; height: 65px; border: 0; border-bottom: 1px solid #d1d9cf; background: transparent; text-align: left; font-size: 14px; padding: 0 14px; color: var(--vf-ink); }
.vf-channels button::before { content: ''; position: absolute; inset: 13px auto 13px 0; width: 2px; background: var(--vf-blue); transform: scaleY(0); transition: transform .25s; }
.vf-channels button[aria-pressed='true']::before { transform: scaleY(1); }
.vf-channels button:last-child { border-bottom: 0; }
.vf-channels button .icon { width: 19px; height: 19px; }
.vf-channels small { margin-left: auto; font-family: var(--font-mono); font-size: 9px; }
.vf-channels button[aria-pressed='true'] { color: #1b4dcc; background: #e2e9fa; border-bottom-color: transparent; }
.vf-telephony .vf-eyebrow > span { color: #1b4dcc; }
.vf-route-map { min-width: 0; }
.vf-route-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 45px; padding-inline: 24px; border-bottom: 1px solid #dbe1d8; color: var(--vf-muted); font-size: 11px; }
.vf-route-diagram { position: relative; height: 312px; }
.vf-route-wires { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.vf-route-wires-mobile { display: none; }
.vf-route-wires path { vector-effect: non-scaling-stroke; }
.vf-route-guide { stroke: #d1d9cf; stroke-width: .7; stroke-dasharray: 2 6; }
.vf-route-strand { stroke: #8ba9ec; stroke-width: .8; }
.vf-route-branch { stroke: #a6b4c8; stroke-width: 1; transition: stroke .3s; }
.vf-route-packet { stroke: var(--vf-blue); stroke-width: 2; stroke-dasharray: 7 93; stroke-dashoffset: 7; opacity: 0; }
.vf-route-console[data-destination='agent'] .vf-route-branch.vf-route-agent, .vf-route-console[data-destination='human'] .vf-route-branch.vf-route-human { stroke: var(--vf-blue); stroke-width: 1.3; }
.vf-route-console.is-routing .vf-route-input { animation: vf-signal-travel .95s ease-in-out both; animation-delay: var(--delay); }
.vf-route-console.is-routing[data-destination='agent'] .vf-route-packet.vf-route-agent, .vf-route-console.is-routing[data-destination='human'] .vf-route-packet.vf-route-human { animation: vf-signal-travel .7s ease-in-out .8s both; }
.vf-route-end { position: absolute; left: 16.6667%; top: 156px; width: 160px; transform: translate(-50%, -31px); display: flex; flex-direction: column; align-items: center; }
.vf-end-icon { display: grid; place-items: center; height: 62px; width: 62px; background: #f0f3ef; border: 1px solid #8da9e6; border-radius: 50%; }
.vf-end-icon .icon { width: 23px; height: 23px; color: var(--vf-blue); }
.vf-route-end strong { margin-top: 15px; font-size: 12px; font-weight: 500; }
.vf-route-end > span:last-child { font-family: var(--font-mono); font-size: 9px; color: var(--vf-muted); margin-top: 4px; }
.vf-route-core { position: absolute; top: 156px; left: 50%; transform: translate(-50%, -50%); z-index: 1; padding: 28px 27px 21px; background: var(--vf-paper); outline: 7px solid #f0f3ef; border: 1px solid #9db4e8; box-shadow: 0 0 0 8px #d4dded; display: flex; flex-direction: column; align-items: center; gap: 13px; }
.vf-route-core img { width: 89px; height: auto; mix-blend-mode: multiply; }
.vf-route-core span { font-family: var(--font-mono); font-size: 8px; color: var(--vf-muted); letter-spacing: .04em; white-space: nowrap; text-align: center; }
.vf-route-core > i { position: absolute; width: 5px; height: 5px; top: 9px; right: 9px; background: var(--vf-blue); }
.vf-route-console.is-routing .vf-route-core { animation: vf-node-arrive .8s ease .55s both; }
.vf-route-console.is-routing .vf-route-destination [aria-pressed='true'] { animation: vf-node-arrive .6s ease 1.2s both; }
.vf-route-destination { position: absolute; left: 83.3333%; top: 72px; transform: translateX(-50%); display: grid; gap: 68px; }
.vf-route-destination > button { position: relative; display: flex; align-items: center; gap: 10px; height: 50px; min-width: 164px; background: #f0f3ef; color: var(--vf-ink); border: 1px solid #b9c9b3; padding: 12px 14px; font-size: 11px; white-space: nowrap; }
.vf-route-destination button > i { width: 5px; height: 5px; margin-left: auto; border: 1px solid #96a7a0; border-radius: 50%; }
.vf-route-destination button[aria-pressed='true'] { color: #1b4dcc; border-color: #6e94ed; background: #eaf0ff; }
.vf-route-destination button[aria-pressed='true'] > i { background: var(--vf-blue); border-color: var(--vf-blue); }
.vf-route-destination .icon { color: var(--vf-blue); width: 17px; height: 17px; }
.vf-route-annotations { position: absolute; inset: auto 0 20px; display: grid; grid-template-columns: repeat(3, 1fr); text-align: center; color: var(--vf-muted); font-size: 10px; }
.vf-route-caption { grid-column: 1 / -1; border-top: 1px solid #c9d2c6; display: flex; justify-content: space-between; gap: 20px; padding: 18px 0; }
.vf-route-caption .vf-mono { font-size: 9px; color: #1b4dcc; }
.vf-route-caption > div { max-width: 570px; min-height: 40px; }
.vf-route-caption p { font-size: 11px; color: var(--vf-muted); margin: 0; line-height: 1.8; }
.vf-route-caption [data-destination-description] { color: #3155a2; }
.vf-connection-foot { display: flex; justify-content: space-between; padding-top: 28px; gap: 24px; }
.vf-connection-foot > span { font-size: 11px; color: var(--vf-muted); }
.vf-connection-foot > span::before { content: '+'; color: var(--vf-blue); margin-right: 12px; }
.vf-inspector { display: grid; grid-template-columns: 1fr 1.12fr; border: 1px solid var(--vf-line); }
.vf-trace { min-width: 0; border-right: 1px solid var(--vf-line); }
.vf-panel-heading { padding-inline: 23px; }
.vf-panel-heading .vf-mono { font-size: 10px; }
.vf-trace-rows { padding: 21px 14px 8px; }
.vf-trace-rows button { display: grid; grid-template-columns: 22px 13px 1fr 35px 16px; align-items: center; gap: 13px; width: 100%; min-height: 56px; padding: 0 13px; border: 0; background: transparent; text-align: left; }
.vf-trace-rows button > span, .vf-trace-rows small { font-family: var(--font-mono); font-size: 9px; color: var(--vf-muted); }
.vf-trace-rows i { height: 6px; width: 6px; border: 1px solid #a9b7a8; border-radius: 50%; position: relative; }
.vf-trace-rows button:not(:last-child) i::after { content: ''; position: absolute; top: 10px; left: 2px; width: 1px; height: 39px; background: #d7dfd4; }
.vf-trace-rows strong { font-family: var(--font-mono); font-size: 11px; font-weight: 400; }
.vf-trace-rows .icon { width: 15px; height: 15px; opacity: 0; }
.vf-trace-rows button[aria-pressed='true'] { background: #eaf0ff; color: #1b4dcc; }
.vf-trace-rows button[aria-pressed='true'] i { background: var(--vf-blue); border-color: var(--vf-blue); }
.vf-trace-rows button[aria-pressed='true'] .icon { opacity: 1; }
.vf-inspector.is-inspecting .vf-code-panel pre { animation: vf-detail-arrive .35s ease both; }
.vf-trace-rows i { transition: background .2s, border-color .2s, box-shadow .2s; }
.vf-trace-rows button[aria-pressed='true'] i { box-shadow: 0 0 0 3px #2563ff16; }
.vf-trace-note { margin: 12px 25px 23px; font-size: 11px; color: var(--vf-muted); }
.vf-code-panel { background: #f0f3ef; min-width: 0; display: flex; flex-direction: column; }
.vf-code-panel .vf-panel-heading button { display: flex; align-items: center; gap: 7px; background: transparent; border: 0; padding: 8px 0 8px 8px; font-size: 11px; color: var(--vf-muted); min-height: 40px; }
.vf-code-panel .vf-panel-heading .icon { width: 15px; height: 15px; }
.vf-code-panel pre { padding: 31px 28px 20px; margin: 0; overflow-x: auto; font-family: var(--font-mono); font-size: 11px; line-height: 2.1; min-height: 235px; tab-size: 2; }
.vf-code-panel code { font-family: inherit; }
.vf-code-key { color: #375461; }
.vf-code-string { color: #2056cb; }
.vf-code-number { color: #8b4c13; }
.vf-code-foot { padding: 15px 28px 20px; margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--vf-muted); font-size: 9px; }
.vf-code-foot [role='status'] { color: #215836; }
.vf-developer-links { display: flex; border-bottom: 1px solid var(--vf-line); }
.vf-developer-links > a { flex: 1; display: flex; align-items: center; gap: 13px; padding: 22px; font-size: 12px; }
.vf-developer-links > a:first-child { border-right: 1px solid var(--vf-line); }
.vf-developer-links .icon { color: var(--vf-blue); width: 17px; height: 17px; }
.vf-developer-links > a .icon:last-child { margin-left: auto; }
.vf-closing { --section-space: 48px; position: relative; background: #edf2ff; border-top: 1px solid #ccd8f7; padding: var(--section-space) 0 0; }
.vf-closing::before, .vf-closing::after { height: calc(var(--section-space) + 17px); }
.vf-closing-kicker { display: flex; align-items: center; justify-content: space-between; color: #405c96; }
.vf-closing-kicker > span:last-child { font-size: 45px; font-weight: 400; line-height: 1; }
.vf-closing h2 { margin: 28px 0 33px; font-size: clamp(70px, 9.2vw, 137px); line-height: 1.02; letter-spacing: -.055em; word-spacing: .04em; }
.vf-closing-bottom { display: flex; align-items: end; justify-content: space-between; }
.vf-closing-bottom p { font-size: 15px; line-height: 1.9; margin: 0; }
.vf-closing-bottom p > span { font-size: 13px; color: var(--vf-muted); }
.vf-closing-bottom > div { display: flex; align-items: center; gap: 28px; }
.vf-closing-score { display: flex; width: min(100%, 818px); height: 130px; align-items: center; justify-content: space-between; padding-top: 36px; overflow: hidden; margin-bottom: -24px; }
.vf-closing-score i { width: 2px; flex: 0 0 2px; height: var(--height); background: var(--vf-blue); opacity: .28; }
.vf-homepage .site-footer { background: var(--vf-paper); border-top-color: #d0dbf2; }
.vf-homepage .footer-grid, .vf-homepage .footer-bottom { width: min(calc(100% - 96px), 1328px); }
.vf-homepage .footer-grid { gap: 50px; padding-block: 50px; }
.vf-homepage .footer-group h2 { font-size: 10px; font-family: var(--font-mono); color: var(--vf-ink); font-weight: 400; }
.vf-homepage .footer-group a { font-size: 12px; color: var(--vf-muted); }
.vf-homepage .footer-group a:hover { color: var(--vf-blue); }
.vf-homepage .footer-brand p { font-size: 12px; color: var(--vf-muted); }
.vf-homepage .footer-email { font-size: 11px; }
.vf-homepage .footer-signal { display: none; }
.vf-homepage .footer-bottom { border-top-color: var(--vf-line); }
.vf-homepage .footer-bottom p { color: var(--vf-muted); }

/* The active route is persistent; pointer and keyboard previews remain distinct. */
.vf-channels button, .vf-stage-controls button, .vf-route-destination button, .vf-trace-rows button, .vf-code-panel button, .vf-developer-links a { transition: color .2s, background .2s, border-color .2s; }
.vf-play > span:last-child, .vf-hero-foot > a span, .vf-developer-links .icon:last-child, .vf-workspace-foot > a .icon { transition: transform .22s cubic-bezier(.22,1,.36,1); }
.vf-home button:active { translate: 0 1px; }
.vf-channels button:focus-visible, .vf-route-destination button:focus-visible { outline-offset: 3px; }
@media (hover: hover) {
  .vf-paths button:hover { border-color: var(--vf-blue); transform: translateY(-2px); }
  .vf-channels button:hover, .vf-stage-controls button:hover, .vf-trace-rows button:hover { color: #1b4dcc; background: #e6ecf8; }
  .vf-route-destination button:hover { color: #1b4dcc; border-color: var(--vf-blue); background: #e6ecf8; }
  .vf-play:hover > span:last-child { transform: translate(2px, -2px); }
  .vf-hero-foot > a:hover span { transform: translateY(4px); }
  .vf-developer-links > a:hover { background: #f0f3ef; color: #1b4dcc; }
  .vf-developer-links > a:hover .icon:last-child, .vf-workspace-foot > a:hover .icon { transform: translateX(4px); }
  .vf-code-panel button:hover { color: #1b4dcc; }
}

@media (min-width: 1550px) { .vf-score-art { max-height: 380px; } }
@media (max-width: 1180px) {
  .vf-homepage .desktop-nav { gap: 14px; }
  .vf-homepage .nav-shell, .vf-wrap, .vf-homepage .footer-grid, .vf-homepage .footer-bottom { width: calc(100% - 64px); }
  .vf-homepage .nav-shell { gap: 16px; grid-template-columns: 95px 1fr auto; }
  .vf-homepage .desktop-actions { gap: 12px; }
  .vf-hero-title { grid-template-columns: 1.45fr 1fr; }
  .vf-hero h1 { font-size: 9vw; }
  .vf-hero-aside h2 { font-size: 21px; }
  .vf-hero-actions { gap: 18px; }
  .vf-link { gap: 17px; font-size: 12px; }
  .vf-primary { padding-inline: 16px; }
  .vf-section-heading { gap: 35px; }
  .vf-conversation, .vf-graph { padding: 25px; }
  .vf-paths { gap: 12px; }
  .vf-paths button { padding: 14px 10px; }
  .vf-route-console { grid-template-columns: 200px 1fr; }
  :is(.vf-section, .vf-closing)::before, :is(.vf-section, .vf-closing)::after { left: 46px; }
  .vf-route-core { padding-inline: 18px; }
  .vf-route-destination > button { min-width: 148px; padding-inline: 10px; }
  .vf-trace-rows button { gap: 8px; }
  .vf-trace-rows strong { font-size: 10px; }
}
@media (max-width: 980px) {
  .vf-homepage .nav-shell { grid-template-columns: 1fr auto; min-height: 72px; }
  .vf-homepage .site-header { min-height: 72px; }
  .vf-homepage .mobile-menu-toggle { background: transparent; border-radius: 2px; }
  .vf-hero-title { grid-template-columns: 1.3fr 1fr; gap: 30px; padding-top: 40px; }
  .vf-hero h1 { font-size: 9.6vw; }
  .vf-cross { margin-bottom: 10px; font-size: 27px; }
  .vf-hero-aside h2 { font-size: 18px; }
  .vf-hero-aside p { font-size: 12px; margin-bottom: 14px; }
  .vf-hero-actions { gap: 13px; }
  .vf-hero-actions .vf-link { gap: 12px; font-size: 11px; min-height: 42px; }
  .vf-hero-actions .vf-primary { padding-inline: 12px; }
  .vf-score-bottom { flex-wrap: wrap; gap: 0 15px; padding: 10px 15px; }
  .vf-score-bottom p { font-size: 11px; }
  .vf-score-note { display: none; }
  .vf-score-bottom .vf-play { font-size: 11px; gap: 10px; }
  .vf-stage-controls { gap: 2px; }
  .vf-stage-controls button { padding-inline: 8px; gap: 7px; }
  .vf-section { --section-space: 64px; }
  .vf-section-heading { grid-template-columns: 1.3fr 1fr; gap: 30px; }
  .vf-section-heading h2 { font-size: 4.7vw; }
  .vf-section-heading p { font-size: 12px; }
  .vf-workspace-body { grid-template-columns: 1fr 1.4fr; }
  .vf-conversation, .vf-graph { padding: 22px 18px; }
  .vf-utterance p { font-size: 18px; }
  .vf-agent-utterance p { font-size: 17px; }
  .vf-graph .vf-small-label > span { font-size: 8px; }
  .vf-graph-origin { width: 210px; }
  .vf-paths { gap: 8px; }
  .vf-paths button { padding: 12px 8px; }
  .vf-paths button > span { font-size: 11px; }
  .vf-paths small { font-size: 9px; }
  .vf-action-detail code { font-size: 10px; }
  .vf-principles { gap: 25px; }
  .vf-principles h3 { font-size: 16px; }
  .vf-principles p { font-size: 11px; }
  .vf-route-console { grid-template-columns: 1fr; }
  .vf-channels { flex-direction: row; border-right: 0; border-bottom: 1px solid #c9d2c6; padding: 12px 0; gap: 12px; }
  .vf-channels button { flex: 1; height: 50px; border-bottom: 0; }
  .vf-route-caption { flex-direction: column; gap: 7px; }
  .vf-inspector { grid-template-columns: 1fr; }
  .vf-trace { border-right: 0; }
  .vf-trace-rows { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; padding: 15px; }
  .vf-trace-rows button { min-height: 48px; }
  .vf-trace-rows button i::after { display: none; }
  .vf-trace-note { margin-top: 0; }
  .vf-code-panel { border-top: 1px solid var(--vf-line); }
  .vf-code-panel pre { min-height: 205px; }
  .vf-closing-bottom { gap: 30px; }
  .vf-closing-bottom > div { gap: 20px; }
  .vf-closing-bottom p { font-size: 13px; }
  .vf-closing-bottom p > span { font-size: 11px; }
  .vf-homepage .footer-grid { gap: 35px; }
}
@media (max-width: 640px) {
  .vf-homepage .nav-shell, .vf-wrap, .vf-homepage .footer-grid, .vf-homepage .footer-bottom { width: calc(100% - 40px); }
  .vf-homepage .nav-shell, .vf-homepage .site-header { min-height: 66px; }
  .vf-homepage .brand-logo { height: 29px; }
  .vf-homepage .mobile-menu { max-height: calc(100dvh - 66px); }
  .vf-hero { padding-top: 24px; }
  .vf-hero-eyebrow .vf-mono { font-size: 9px; letter-spacing: 0; }
  .vf-hero-eyebrow > span:last-child { display: none; }
  .vf-hero-title { display: block; padding: 30px 0; }
  .vf-hero h1 { font-size: clamp(49px, 15.5vw, 94px); letter-spacing: -.059em; line-height: 1.05; word-spacing: .04em; }
  .vf-hero-aside { max-width: none; margin-top: 23px; padding: 0; }
  .vf-cross { display: none; }
  .vf-hero-aside h2 { font-size: 17px; letter-spacing: -.035em; line-height: 1.4; margin-bottom: 9px; }
  .vf-hero-aside h2 br { display: none; }
  .vf-hero-aside p { font-size: 13px; max-width: 280px; margin-bottom: 19px; }
  .vf-hero-actions { gap: 23px; }
  .vf-hero-actions .vf-link { min-height: 44px; font-size: 12px; gap: 22px; }
  .vf-hero-actions .vf-primary { padding-inline: 15px; }
  .vf-score { margin-inline: -20px; border-inline: 0; }
  .vf-score-top { min-height: 37px; padding-inline: 20px; }
  .vf-score-top .vf-mono { font-size: 9px; }
  .vf-score-desktop { display: none; }
  .vf-score-mobile { display: block; width: 100%; height: 194px; }
  .vf-mobile-node rect { fill: var(--vf-paper); stroke: #b8c9f1; stroke-width: .6; }
  .vf-mobile-node text { font-family: var(--font-mono); fill: #2357cc; font-size: 9px; }
  .vf-score[data-stage='decide'] .vf-score-mobile .vf-score-cursor { transform: translateX(108px); }
  .vf-score[data-stage='respond'] .vf-score-mobile .vf-score-cursor { transform: translateX(232px); }
  .vf-score-labels { display: none; }
  .vf-score-node text { font-size: 21px; }
  .vf-score-node rect { fill: var(--vf-paper); width: 180px; height: 37px; transform: translateY(-4px); }
  .vf-score-node circle { r: 4; }
  .vf-score-bottom { display: grid; grid-template-columns: 1fr auto; padding: 6px 20px 9px; gap: 3px 10px; }
  .vf-score-bottom p { grid-column: 1; grid-row: 2; font-size: 10px; margin: 3px 0 0; }
  .vf-stage-controls { gap: 0; margin-left: -6px; }
  .vf-stage-controls button { gap: 5px; padding-inline: 6px; height: 40px; font-size: 9px; }
  .vf-stage-controls button span { font-size: 11px; }
  .vf-play { grid-column: 2; grid-row: 1 / 3; font-size: 10px !important; gap: 8px !important; }
  .vf-play > span:last-child { font-size: 20px; }
  .vf-simulation { right: 20px; font-size: 9px; bottom: -24px; }
  .vf-hero-foot { padding: 44px 0 34px; align-items: center; gap: 14px; }
  .vf-hero-foot p { font-size: 10px; }
  .vf-hero-foot > a { font-size: 10px; gap: 14px; max-width: 135px; }
  .vf-section { --section-space: 49px; scroll-margin-top: 80px; }
  :is(.vf-section, .vf-closing)::before, :is(.vf-section, .vf-closing)::after { left: 32px; top: -18px; height: calc(var(--section-space) + 18px); }
  .vf-closing::before, .vf-closing::after { height: calc(var(--section-space) + 11px); }
  .vf-eyebrow { gap: 10px; font-size: 9px; letter-spacing: .01em; }
  .vf-eyebrow > span { width: 24px; height: 23px; }
  .vf-section-heading { display: block; margin: 25px 0 28px; }
  .vf-section-heading h2 { font-size: clamp(29px, 8.3vw, 51px); line-height: 1.17; letter-spacing: -.045em; }
  .vf-section-heading > div { margin-top: 20px; max-width: 360px; }
  .vf-section-heading p { font-size: 13px; line-height: 1.8; margin-bottom: 9px; }
  .vf-section-heading .vf-link { min-height: 40px; font-size: 12px; }
  .vf-workspace { margin-inline: -5px; }
  .vf-workspace-bar { min-height: 41px; padding-inline: 15px; }
  .vf-workspace-bar .vf-mono, .vf-demo-tag { font-size: 9px; }
  .vf-workspace-body { display: flex; flex-direction: column; }
  .vf-conversation { padding: 20px; border-right: 0; border-bottom: 1px solid var(--vf-line); }
  .vf-utterance { margin-top: 18px; }
  .vf-utterance p { font-size: 18px; min-height: 3.1em; margin-top: 7px; }
  .vf-agent-utterance p { font-size: 16px; }
  .vf-intent { padding-top: 19px; }
  .vf-intent strong { padding-bottom: 0; font-size: 10px; }
  .vf-voice-layers { display: none; }
  .vf-graph { padding: 20px 16px; }
  .vf-graph .vf-small-label { font-size: 8px; }
  .vf-graph-origin { width: 217px; margin-top: 23px; }
  .vf-branches { height: 37px; }
  .vf-paths { gap: 10px; }
  .vf-paths button { min-height: 94px; padding: 12px 8px; }
  .vf-paths button .icon { margin-bottom: 10px; }
  .vf-paths button > span { font-size: 11px; }
  .vf-paths small { font-size: 9px; }
  .vf-action-detail { margin-top: 20px; min-height: 134px; }
  .vf-action-detail code { font-size: 10px; line-height: 1.8; }
  .vf-action-detail p { font-size: 10px; line-height: 1.7; }
  .vf-workspace-foot { padding: 11px 15px; }
  .vf-workspace-foot > span { font-size: 9px; max-width: 190px; }
  .vf-workspace-foot > a { font-size: 10px; gap: 4px; }
  .vf-workspace-foot > a .icon { width: 13px; }
  .vf-workspace-foot > span .icon { display: none; }
  .vf-principles { grid-template-columns: 1fr; gap: 19px; margin-top: 27px; }
  .vf-principles > div { padding-left: 17px; display: grid; grid-template-columns: 1fr; }
  .vf-principles .vf-mono { font-size: 8px; }
  .vf-principles h3 { font-size: 17px; margin: 7px 0 5px; }
  .vf-principles p { font-size: 12px; max-width: 300px; }
  .vf-channels { gap: 5px; padding-block: 8px; }
  .vf-channels button { padding-inline: 9px; font-size: 11px; gap: 8px; height: 45px; }
  .vf-channels button .icon { width: 16px; height: 16px; }
  .vf-channels small { display: none; }
  .vf-channels button::before { inset: auto 9px 0; width: auto; height: 2px; transform: scaleX(0); }
  .vf-channels button[aria-pressed='true']::before { transform: scaleX(1); }
  .vf-route-heading { padding-inline: 0; min-height: 43px; font-size: 10px; }
  .vf-route-heading .vf-demo-tag { font-size: 9px; }
  .vf-route-diagram { height: 286px; }
  .vf-route-wires-desktop { display: none; }
  .vf-route-wires-mobile { display: block; }
  .vf-route-end { left: 25%; top: 96px; width: 135px; transform: translate(-50%, -25px); }
  .vf-end-icon { width: 50px; height: 50px; }
  .vf-route-end strong { margin-top: 10px; font-size: 10px; }
  .vf-route-end > span:last-child { font-size: 8px; }
  .vf-route-core { left: 75%; top: 96px; width: 106px; padding: 23px 14px 17px; }
  .vf-route-core img { width: 68px; }
  .vf-route-core span { font-size: 7px; }
  .vf-route-destination { inset: 212px 0 auto; transform: none; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .vf-route-destination > button { min-width: 0; height: 44px; font-size: 10px; gap: 7px; justify-content: center; padding: 11px 8px; }
  .vf-route-destination .icon { width: 14px; }
  .vf-route-destination button > i { margin-left: 0; flex: 0 0 auto; }
  .vf-route-annotations { display: none; }
  .vf-route-caption { padding-block: 14px; }
  .vf-route-caption .vf-mono { font-size: 9px; }
  .vf-route-caption > div { min-height: 60px; }
  .vf-route-caption p { font-size: 11px; }
  .vf-connection-foot { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding-top: 23px; }
  .vf-connection-foot > span { font-size: 9px; }
  .vf-connection-foot > span::before { margin-right: 7px; }
  .vf-inspector { margin-inline: -5px; }
  .vf-panel-heading { padding-inline: 15px; min-height: 44px; }
  .vf-panel-heading .vf-mono { font-size: 9px; }
  .vf-trace-rows { grid-template-columns: 1fr; padding: 12px 9px 5px; }
  .vf-trace-rows button { grid-template-columns: 20px 13px 1fr 30px 15px; gap: 8px; padding-inline: 10px; min-height: 44px; }
  .vf-trace-rows strong { font-size: 10px; }
  .vf-trace-rows button:not(:last-child) i::after { display: block; height: 29px; }
  .vf-trace-note { font-size: 9px; margin: 9px 19px 18px; }
  .vf-code-panel pre { font-size: 9px; line-height: 2.2; padding: 20px 15px; min-height: 190px; white-space: pre-wrap; overflow-wrap: anywhere; }
  .vf-code-foot { padding: 7px 15px 18px; font-size: 8px; }
  .vf-developer-links { display: block; }
  .vf-developer-links > a { padding: 18px 8px; font-size: 11px; }
  .vf-developer-links > a:first-child { border-right: 0; border-bottom: 1px solid var(--vf-line); }
  .vf-closing { --section-space: 34px; }
  .vf-closing-kicker .vf-mono { font-size: 8px; max-width: 230px; }
  .vf-closing-kicker > span:last-child { font-size: 33px; }
  .vf-closing h2 { font-size: clamp(59px, 16vw, 94px); margin: 27px 0 24px; }
  .vf-closing-bottom { display: block; }
  .vf-closing-bottom > div { margin-top: 23px; gap: 22px; }
  .vf-closing-bottom .vf-link { font-size: 11px; min-height: 44px; gap: 12px; }
  .vf-closing-score { height: 88px; padding-top: 20px; margin-bottom: -18px; }
  .vf-homepage .footer-grid { gap: 29px 20px; padding-block: 35px; }
  .vf-homepage .footer-brand p { max-width: 270px; font-size: 11px; }
  .vf-homepage .footer-email { margin-bottom: 0; }
  .vf-homepage .footer-group a { font-size: 11px; }
  .vf-homepage .footer-bottom { min-height: 80px; }
  .vf-homepage .footer-bottom p { font-size: 9px; }
}
@media (prefers-reduced-motion: reduce) {
  .vf-home *, .vf-home *::before, .vf-home *::after { animation: none !important; transition: none !important; }
  :is(.vf-section, .vf-closing)::after { transform: scaleY(1); opacity: .3; }
  .vf-home button:active { translate: none; }
  .vf-home button:hover, .vf-home a:hover .icon, .vf-hero-foot > a:hover span, .vf-play:hover > span:last-child { transform: none; }
}