:root{color-scheme:dark;--bg:#060912;--surface:#10152b;--line:#242b40;--text:#f4f6fc;--muted:#a5aec7;--mint:#57e8a6;--indigo:#5670ff;--amber:#f3b94d;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;font-size:15px;line-height:1.65}button,input{font:inherit}a{color:inherit;text-decoration:none}button,a,input,summary{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}button{color:inherit}a:hover{color:var(--mint)}button:hover{border-color:var(--mint)}:focus-visible{outline:2px solid var(--mint);outline-offset:5px}[hidden]{display:none!important}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.2}h1{font-size:clamp(36px,4.3vw,60px);letter-spacing:-.045em;font-weight:750;margin:22px 0}h1 span{color:var(--mint)}h2{font-size:clamp(28px,3vw,38px);letter-spacing:-.035em;margin-top:12px}h3{font-size:19px;letter-spacing:-.015em}code,.mono,pre{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace}code{font-size:.88em;overflow-wrap:anywhere}.wrap{width:min(1180px,calc(100% - 64px));margin-inline:auto}.header{border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;gap:26px;min-height:88px}.brand{display:inline-flex;align-items:center;font-size:21px;font-weight:750;letter-spacing:-.7px;white-space:nowrap}.brand img{margin-right:10px}.brand span{color:var(--mint)}nav{display:flex;gap:26px;font-size:13px;color:var(--muted)}.button{display:inline-flex;gap:12px;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;border:1px solid #39415c;border-radius:9px;font-size:14px;font-weight:600;line-height:1.45}.button.primary{background:var(--indigo);border-color:var(--indigo);color:white}.button.primary:hover{background:#6c82ff}.button.small{min-height:40px;padding:10px 15px;font-size:12px}.hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:70px;align-items:center;padding:88px 0 65px}.eyebrow{display:block;font-size:11px;font-weight:650;letter-spacing:1.7px;color:var(--mint)}.dot{display:inline-block;width:7px;height:7px;background:var(--mint);border-radius:50%;margin-right:8px}.lead{font-size:17px;line-height:1.7;color:#b7bfd4;max-width:570px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.fine{color:var(--muted);font-size:13px;margin-top:20px}.muted{color:var(--muted)}.agent-card{border:1px solid #31394f;border-radius:16px;background:linear-gradient(145deg,#151c30,#0c1120);box-shadow:0 24px 85px #0004;overflow:hidden;position:relative}.agent-top{display:flex;align-items:center;gap:4px;padding:18px 22px;border-bottom:1px solid var(--line);font-size:12px}.agent-top .mono{margin-left:auto;font-size:10px}.message{margin:28px 24px 20px 52px;background:#242e49;border:1px solid #354160;padding:17px 20px;border-radius:12px 12px 3px 12px;font-size:14px;line-height:1.6}.tool-call{margin:0 24px 20px;color:var(--mint);font:12px/1.6 monospace}.tool-call>span:first-child{margin-right:10px}.tool-call>span:last-child{color:var(--muted)}.agent-response{display:flex;gap:12px;margin:0 24px 30px;font-size:13px}.agent-response p{color:var(--muted);font-size:12px;margin-top:8px}.response-icon{width:28px;height:28px;background:#173b30;color:var(--mint);display:grid;place-items:center;border-radius:7px;flex-shrink:0}.connection-line{border-top:1px solid var(--line);padding:23px 24px 12px;display:flex;align-items:center;gap:10px;font-size:10px;color:#c7cee1}.connection-line i{height:1px;flex:1;background:#384561}.connection-line span:nth-of-type(2){border:1px solid #355846;border-radius:5px;color:var(--mint);padding:3px 9px}.demo-note{font-size:10px;color:var(--muted);text-align:center;margin-bottom:16px}.facts{display:flex;gap:48px;border-block:1px solid var(--line);padding:22px 0;font-size:12px;color:var(--muted)}.facts b{font-weight:600;color:var(--text);margin-right:8px}.section{padding:78px 0 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:32px}.section-head>p{font-size:13px;color:var(--muted)}.capabilities{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:12px;overflow:hidden}.feature{padding:26px 22px;display:flex;flex-direction:column;align-items:flex-start;background:#0c1120}.feature+.feature{border-left:1px solid var(--line)}.feature-number{font-size:10px;letter-spacing:1.2px;color:var(--muted);margin-bottom:25px}.feature h3{font-size:18px;line-height:1.35}.feature p{font-size:13px;color:var(--muted);margin:14px 0 22px;flex:1}.badge{display:inline-flex;border-radius:5px;padding:4px 8px;background:#142d28;color:#80e9b8;font-size:10px;font-weight:600;line-height:1.5}.badge.keyed{color:#b5bdff;background:#232d51}.badge.paid{color:#ffd17c;background:#422e13;border:1px solid #8a642f}.key-label{font-size:10px;color:var(--muted);margin-top:7px}.setup-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.3fr);gap:65px}.steps{list-style:none;counter-reset:step;padding:0;margin:0}.steps li{counter-increment:step;position:relative;padding:0 0 30px 46px}.steps li::before{content:"0" counter(step);position:absolute;left:0;top:0;font:12px/30px monospace;color:var(--mint);border:1px solid #2d4943;width:30px;height:30px;border-radius:7px;text-align:center}.steps h3{font-size:16px;padding-top:4px}.steps p{font-size:13px;color:var(--muted);margin:10px 0}.steps a{font-size:12px;color:var(--mint)}.endpoint{border:1px solid var(--line);padding:20px;border-radius:10px;background:#0c1120}.endpoint .eyebrow{font-size:9px;color:var(--muted)}.endpoint code{display:block;font-size:12px;margin:10px 0}.copy{border:1px solid #39415c;background:transparent;border-radius:6px;font-size:11px;padding:7px 10px;min-height:34px;white-space:nowrap}.text-button{color:var(--mint);padding:7px 0;border-color:transparent;background:transparent;font-size:12px}.text-button:hover{border-color:transparent;color:#b2ffda}.config-card{border:1px solid #30384f;border-radius:12px;background:#0c1120;overflow:hidden;min-width:0}.tabs{display:flex;border-bottom:1px solid var(--line);background:#101628;padding:0 18px}.tabs button{background:transparent;border:0;border-bottom:2px solid transparent;padding:18px 17px;color:var(--muted);font-size:13px}.tabs button[aria-selected=true]{border-bottom-color:var(--mint);color:var(--mint)}.auth-mode{border:0;padding:20px 24px 0;margin:0;display:flex;gap:22px;flex-wrap:wrap}.auth-mode legend{float:left;width:100%;font-size:11px;color:var(--muted);margin-bottom:8px}.auth-mode label{font-size:12px;display:flex;gap:6px;align-items:center;cursor:pointer}.auth-mode input{accent-color:var(--mint);width:15px;height:15px}.auth-hint{margin:10px 24px 0;font-size:11px;color:var(--muted)}.client-panel{padding:24px}.client-panel h3{font-size:17px}.client-panel>p{font-size:12px;color:var(--muted);margin-top:12px}.code-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;margin-top:20px;border:1px solid var(--line);border-radius:7px 7px 0 0;background:#151b2c;font-size:10px;color:var(--muted)}pre{margin:0;background:#070b14;padding:18px;border:1px solid var(--line);border-top:0;border-radius:0 0 7px 7px;white-space:pre-wrap;overflow-wrap:anywhere;color:#b9e6d1;font-size:12px;line-height:1.85;min-height:145px}pre code{font-size:inherit}.client-panel .client-check{font-size:11px}.doc-link{display:inline-block;font-size:11px;color:var(--mint);margin-top:13px}.config-note{border-top:1px solid var(--line);font-size:11px;padding:16px 24px;color:var(--muted)}.security-note{font-size:12px;color:var(--muted);margin-top:24px;border-left:2px solid #485373;padding-left:17px;max-width:950px}.prompts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.prompt{padding:25px;background:#0c1120;border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column;align-items:flex-start}.prompt p{margin:19px 0 13px;font-size:16px;max-width:440px;flex:1}.paid-prompt{border-color:#735326;background:linear-gradient(120deg,#201b16,#0c1120)}.notice{margin-top:42px;padding:29px 32px;border:1px solid #67502c;border-radius:12px;background:#1c1916;display:flex;gap:20px}.notice-mark{border:1px solid var(--amber);color:var(--amber);border-radius:50%;width:25px;height:25px;text-align:center;line-height:23px;flex-shrink:0;font-weight:600}.notice h2{font-size:21px;margin:0;color:#ffdb95;letter-spacing:-.02em}.notice p{font-size:13px;color:#d0c4b3;margin-top:14px}.notice a{display:inline-block;margin-top:16px;color:#ffdb95;font-size:12px}.developer-details{border-block:1px solid var(--line)}summary{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:26px 0;list-style:none}summary::-webkit-details-marker{display:none}summary .eyebrow{font-size:9px;color:var(--muted)}.summary-title{display:block;font-size:25px;font-weight:650;margin-top:5px;letter-spacing:-.02em}.expand{font-size:28px;font-weight:300;color:var(--mint)}details[open] .expand{transform:rotate(45deg)}.developer-body{padding:0 0 28px;color:var(--muted);font-size:13px}.table-scroll{overflow-x:auto;margin:24px 0}table{width:100%;border-collapse:collapse;text-align:left;font-size:13px;min-width:620px}th,td{padding:15px 16px;border-bottom:1px solid var(--line)}th{font-size:11px;color:var(--text);background:#101628}td code{color:#c6cfe8}.developer-notes{padding-left:20px}.developer-notes li{margin:12px 0}.reference-limit{padding-top:15px}.footer{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:44px;flex-wrap:wrap}.footer .brand{font-size:18px}.footer>span{color:var(--muted);font-size:11px}.footer nav{font-size:11px;gap:20px}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);max-width:calc(100% - 32px);background:#e4fff0;color:#103726;border:1px solid #85d4ac;padding:12px 20px;border-radius:8px;font-size:13px;box-shadow:0 6px 30px #0005;z-index:10}.toast:empty{display:none}.skip{position:fixed;left:16px;top:-100px;background:var(--mint);color:#07130d;padding:10px;z-index:20}.skip:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:1000px){.nav nav{gap:14px}.hero{gap:32px;padding-top:55px}.capabilities{grid-template-columns:repeat(2,minmax(0,1fr))}.feature:nth-child(3){border-left:0}.feature:nth-child(n+3){border-top:1px solid var(--line)}.setup-grid{gap:30px;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr)}.facts{gap:28px}.nav{gap:14px}.nav .brand{font-size:18px}.nav nav{font-size:11px}}
@media(max-width:760px){.wrap{width:calc(100% - 36px)}.nav{min-height:76px;flex-wrap:wrap;padding-block:16px;row-gap:15px}.nav nav{order:3;width:100%;justify-content:space-between}.nav .button{margin-left:auto}.hero{grid-template-columns:1fr;padding:45px 0 30px;gap:32px}.hero h1{max-width:600px}.lead{font-size:16px}.agent-card{max-width:520px;width:100%}.facts{flex-wrap:wrap;gap:12px 24px;font-size:11px;padding:20px 0}.facts span:last-child{flex-basis:100%}.section{padding-top:52px}.section-head{display:block;margin-bottom:25px}.section-head>p{margin-top:17px}.setup-grid{grid-template-columns:1fr;gap:24px}.setup-intro{max-width:600px}.endpoint code{font-size:13px}.steps li{padding-bottom:20px}.prompts{gap:12px}.prompt{padding:20px}.prompt p{font-size:15px}.notice{padding:23px 20px;gap:13px}.footer{gap:18px}.footer>span{flex-basis:100%}.footer nav{flex-wrap:wrap}}
@media(max-width:430px){.nav .button{font-size:10px;padding:9px}.nav .brand{font-size:17px}.brand img{width:27px;height:27px;margin-right:6px}.actions{display:grid;grid-template-columns:1fr}.hero h1{font-size:36px}.capabilities,.prompts{grid-template-columns:1fr}.feature+.feature{border-left:0;border-top:1px solid var(--line)}.feature-number{margin-bottom:13px}.feature p{margin:12px 0 18px}.tabs{padding-inline:10px}.tabs button{padding:16px 12px;font-size:12px}.client-panel{padding:20px}.auth-mode{padding-inline:20px}.auth-hint{margin-inline:20px}.notice-mark{display:none}.summary-title{font-size:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Local chat demonstration; motion stops off screen, on pause, and for reduced motion. */
.nav-actions{display:flex;gap:20px;align-items:center}.nav .languages{display:flex;gap:3px;align-items:center;font-size:10px;order:initial;width:auto}.languages a{padding:6px 7px;border-radius:5px;border:1px solid transparent}.languages a[aria-current=page]{color:var(--mint);border-color:#355846;background:#12261f}.chat-stage{position:relative;min-height:287px;padding-top:1px}.message{min-height:80px;position:relative}.agent-response{min-height:72px}.agent-response p{max-width:320px}.tool-call{display:flex;align-items:center;gap:8px;min-height:22px;font-size:12px}.tool-call #demo-method{color:var(--mint);overflow-wrap:anywhere}.tool-call .tool-check{margin-left:auto;color:var(--mint);font-size:13px}.demo-controls{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:2px 24px 18px}.demo-controls .demo-note{margin:0;text-align:left}.demo-toggle{background:transparent;border:1px solid #3b465e;color:#c4cde2;border-radius:5px;padding:5px 9px;font-size:10px;min-height:30px}.chat-aura{pointer-events:none;position:absolute;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,#57e8a617,transparent 68%);top:70px;right:-70px;opacity:.5}.agent-thinking{height:22px;position:absolute;top:132px;left:26px;display:flex;gap:5px;align-items:center;visibility:hidden}.agent-thinking i{width:5px;height:5px;border-radius:50%;background:var(--mint)}.agent-card[data-phase=question] .tool-call,.agent-card[data-phase=thinking] .tool-call,.agent-card[data-phase=question] .agent-response,.agent-card[data-phase=thinking] .agent-response,.agent-card[data-phase=tool] .agent-response{visibility:hidden}.agent-card[data-phase=thinking] .agent-thinking{visibility:visible}.agent-card[data-phase=tool] .tool-check{visibility:hidden}.agent-card[data-phase=question] .message::after{content:"";display:inline-block;width:2px;height:1em;background:var(--mint);margin-left:3px;vertical-align:-2px}.connection-line i{position:relative;overflow:hidden}.connection-line i::after{content:"";position:absolute;width:16px;height:1px;left:-16px;background:var(--mint);box-shadow:0 0 8px var(--mint)}
@media(prefers-reduced-motion:no-preference){.is-playing .chat-aura{animation:chat-breathe 5s ease-in-out infinite}.is-playing .connection-line i::after{animation:signal-flow 2.8s ease-in-out infinite}.is-playing .connection-line i:last-of-type::after{animation-delay:1.4s}.is-playing .agent-thinking i{animation:thinking-dot 1s ease-in-out infinite}.is-playing .agent-thinking i:nth-child(2){animation-delay:.15s}.is-playing .agent-thinking i:nth-child(3){animation-delay:.3s}.is-playing[data-phase=question] .message::after{animation:caret .7s steps(1) infinite}.is-playing[data-phase=tool] .tool-call{animation:chat-enter .35s ease-out}.is-playing[data-phase=response] .agent-response{animation:chat-enter .45s ease-out}.feature,.prompt,.button{transition:border-color .2s,background .2s,transform .2s}.feature:hover,.prompt:hover{border-color:#3d5c57}.button:hover{transform:translateY(-2px)}}
@keyframes chat-breathe{0%,100%{transform:scale(.8);opacity:.3}50%{transform:scale(1.35);opacity:.9}}@keyframes signal-flow{0%{left:-16px;opacity:0}20%{opacity:1}80%{opacity:1}100%{left:100%;opacity:0}}@keyframes thinking-dot{0%,60%,100%{transform:translateY(0);opacity:.3}30%{transform:translateY(-4px);opacity:1}}@keyframes caret{50%{opacity:0}}@keyframes chat-enter{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1100px){.nav{flex-wrap:wrap;padding-block:17px;row-gap:14px}.nav>nav{order:3;justify-content:center;width:100%}.nav-actions{margin-left:auto}.hero{gap:34px}.chat-stage{min-height:310px}.message{margin-left:28px}}
@media(max-width:760px){.nav>nav{justify-content:space-between}.nav-actions{gap:10px}.nav .languages{gap:1px;font-size:10px}.languages a{padding:5px}.chat-stage{min-height:285px}.agent-response p{max-width:none}.nav-actions .button{display:none}.demo-controls{padding-inline:20px}.agent-thinking{top:133px}}
@media(max-width:430px){.chat-stage{min-height:310px}.message{margin:24px 20px 20px;min-height:105px}.agent-thinking{top:157px}.agent-response{margin-inline:20px}.demo-controls{gap:8px}.demo-controls .demo-note{font-size:9px}.tool-call{margin-inline:20px;font-size:11px}.nav .brand{font-size:18px}.nav .languages{font-size:11px}.languages a{padding:6px}.hero{gap:26px}}