:root{
  --bg:#080b10;--panel:#0f141b;--panel2:#131a23;--line:#222b37;--text:#f4f7fb;
  --muted:#96a1af;--accent:#8ff0cd;--accent2:#6dd9ff;--warning:#ffc96b;--radius:22px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;overflow-x:hidden}
button,input,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}
.ambient{position:fixed;width:520px;height:520px;border-radius:50%;filter:blur(120px);opacity:.12;pointer-events:none;z-index:-1}
.ambient-a{background:var(--accent2);left:-250px;top:-200px}.ambient-b{background:var(--accent);right:-280px;top:130px}
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:22px;padding:14px clamp(18px,4vw,60px);border-bottom:1px solid rgba(255,255,255,.07);background:rgba(8,11,16,.82);backdrop-filter:blur(18px)}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px;letter-spacing:-.03em}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#07100e}
.nav{display:flex;gap:3px;overflow-x:auto;scrollbar-width:none;flex:1}.nav::-webkit-scrollbar{display:none}
.nav-item{border:0;background:transparent;color:var(--muted);padding:9px 11px;border-radius:10px;white-space:nowrap;font-size:13px}
.nav-item:hover,.nav-item.active{background:rgba(255,255,255,.06);color:var(--text)}
.top-cta{background:var(--text);color:#0a0d11;padding:9px 14px;border-radius:11px;font-size:13px;font-weight:900;white-space:nowrap}
main{max-width:1200px;margin:0 auto;padding:0 22px}
.hero{padding:105px 0 78px;max-width:1000px}.eyebrow,.section-label,.mini-label{font-size:12px;text-transform:uppercase;letter-spacing:.13em;color:var(--accent);font-weight:900}
.eyebrow span{display:inline-block;width:8px;height:8px;background:var(--accent);border-radius:50%;box-shadow:0 0 18px var(--accent);margin-right:8px}
h1{font-size:clamp(54px,8vw,100px);line-height:.92;letter-spacing:-.065em;margin:20px 0 26px}
.hero>p{max-width:810px;color:#b7c0cb;font-size:clamp(18px,2vw,24px);line-height:1.55}
.hero-actions{display:flex;gap:11px;margin:34px 0 54px}.button{border:1px solid var(--line);padding:13px 18px;border-radius:13px;font-weight:900}
.button.primary{background:var(--accent);border-color:transparent;color:#06100d}.button.secondary{background:rgba(255,255,255,.035)}
.signal-row{border-top:1px solid var(--line);padding-top:26px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:800px}
.signal-row div{display:flex;flex-direction:column;gap:4px}.signal-row small{color:var(--muted)}
.explain,.demo{padding:80px 0;border-top:1px solid var(--line)}.explain-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:45px;align-items:end}
h2{font-size:clamp(38px,5vw,65px);line-height:.98;letter-spacing:-.05em;margin:12px 0 20px}.explain p,.demo-head p,.closing p{color:var(--muted);font-size:17px;line-height:1.65}
.comparison{border:1px solid var(--line);border-radius:19px;padding:8px;background:rgba(255,255,255,.025)}
.comparison-row{display:flex;justify-content:space-between;gap:18px;padding:20px;border-radius:13px;font-size:14px}.comparison-row.old{color:var(--muted)}.comparison-row.new{background:rgba(143,240,205,.08)}
.demo-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:28px}.quota{display:flex;align-items:center;gap:9px;padding:10px 14px;border:1px solid var(--line);border-radius:999px;white-space:nowrap}.quota strong{color:var(--accent)}.quota span{color:var(--muted);font-size:12px}
.gate{display:grid;grid-template-columns:.9fr 1.1fr;gap:35px;align-items:center;border:1px solid var(--line);background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.018));border-radius:var(--radius);padding:30px}
.gate h3{font-size:35px;letter-spacing:-.04em;margin:9px 0}.gate p{color:var(--muted);line-height:1.6}.start-form{display:grid;gap:13px}.start-form label{display:grid;gap:7px;color:#dce3eb;font-size:13px;font-weight:800}.start-form label span{color:var(--muted);font-weight:500}.start-form input{width:100%;background:#0c1117;border:1px solid var(--line);border-radius:12px;color:var(--text);padding:12px 13px;outline:none}.start-form input:focus{border-color:#3d5063}.start-form small{color:#6f7a88;text-align:center}
.hidden{display:none!important}
.agent-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.agent-card{min-height:320px;padding:23px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.015));display:flex;flex-direction:column;transition:.2s}
.agent-card:hover{transform:translateY(-3px);border-color:#334151}.agent-card.selected{border-color:rgba(143,240,205,.65);box-shadow:inset 0 0 0 1px rgba(143,240,205,.13)}.agent-card.locked{opacity:.42}
.agent-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:36px}.agent-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:#17202a;color:var(--accent);font-size:22px}.status{font-size:11px;color:var(--accent)}.status:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:5px}
.agent-type{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);font-weight:900}.agent-card h3{font-size:25px;letter-spacing:-.035em;margin:8px 0}.agent-card p{color:var(--muted);font-size:14px;line-height:1.58;margin-bottom:22px}.agent-button{margin-top:auto;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);border-radius:12px;padding:12px;font-weight:900}.agent-card.selected .agent-button{background:var(--accent);color:#06100d;border-color:transparent}
.chat-zone{margin-top:28px}.chat-tabs{display:flex;gap:8px;margin-bottom:9px}.chat-tab{border:1px solid var(--line);background:#0e141b;color:var(--muted);border-radius:11px;padding:10px 13px}.chat-tab.active{background:var(--text);color:#090c10;border-color:transparent;font-weight:900}
.chat-shell{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#0c1016;box-shadow:0 28px 90px rgba(0,0,0,.32)}.chat-header{display:flex;align-items:center;gap:11px;padding:15px 18px;border-bottom:1px solid var(--line)}.avatar{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#07100e;font-weight:900}.chat-title{display:flex;flex-direction:column;gap:3px;flex:1}.chat-title span{color:var(--muted);font-size:11px}.chat-title i{display:inline-block;width:6px;height:6px;background:var(--accent);border-radius:50%;margin-right:4px}.chat-counter{display:flex;flex-direction:column;text-align:right}.chat-counter strong{color:var(--accent)}.chat-counter span{font-size:10px;color:var(--muted)}
.messages{height:430px;overflow:auto;padding:22px;display:flex;flex-direction:column;gap:11px}.message{max-width:min(78%,720px);padding:12px 15px;border-radius:16px;line-height:1.52;white-space:pre-wrap;font-size:15px}.message.ai{align-self:flex-start;background:#151c25;border:1px solid #202a36;border-bottom-left-radius:5px}.message.user{align-self:flex-end;background:var(--accent);color:#06100d;border-bottom-right-radius:5px}.message.system{align-self:center;background:transparent;color:var(--muted);font-size:12px;text-align:center}
.typing{display:inline-flex;gap:4px}.typing i{display:block;width:6px;height:6px;border-radius:50%;background:#8d98a7;animation:b 1s infinite alternate}.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}@keyframes b{to{transform:translateY(-4px);opacity:.45}}
.composer{display:flex;align-items:end;gap:9px;padding:13px;border-top:1px solid var(--line);background:#090d12}.composer textarea{flex:1;resize:none;min-height:45px;max-height:130px;background:#121821;border:1px solid var(--line);border-radius:13px;padding:12px 13px;color:var(--text);outline:none}.send{width:45px;height:45px;border:0;border-radius:13px;background:var(--accent);color:#06100d;font-size:22px;font-weight:900}.disclaimer{text-align:center;padding:0 10px 12px;color:#687482;font-size:10px}
.closing{padding:75px 0 90px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}footer{max-width:1200px;margin:auto;padding:25px 22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:#cbd3dd}footer span{color:var(--muted)}
@media(max-width:900px){.topbar{padding:13px 17px}.top-cta{display:none}.nav{position:absolute;top:62px;left:0;right:0;padding:7px 12px;background:rgba(8,11,16,.95);border-bottom:1px solid var(--line)}main{padding:0 17px}.hero{padding-top:120px}.signal-row{grid-template-columns:1fr}.explain-grid,.gate,.closing{grid-template-columns:1fr}.demo-head{align-items:flex-start;flex-direction:column}.agent-grid{grid-template-columns:1fr}.agent-card{min-height:255px}.agent-top{margin-bottom:18px}.messages{height:390px}.message{max-width:90%}}