.lead{font-size:clamp(17px,2vw,21px);color:var(--muted);max-width:640px;margin:0 auto 32px}.demo{background:var(--dark);border:1px solid var(--dline);border-radius:20px;box-shadow:0 30px 80px rgba(0,0,0,.28),0 0 0 6px rgba(0,0,0,.04);overflow:hidden;color:var(--dtext)}.tag{margin-left:auto;font-size:12px;padding:3px 10px;border-radius:99px;background:rgba(217,119,6,.15);color:#fbbf6b;border:1px solid rgba(217,119,6,.35)}.demo-tabs{display:flex;gap:6px;padding:12px 16px 0;overflow-x:auto}.demo-tabs button{font:inherit;font-size:13px;font-weight:600;color:#9a9aa8;background:transparent;border:1px solid transparent;padding:7px 14px;border-radius:99px;cursor:pointer;white-space:nowrap}.demo-tabs button:hover{color:#fff}.demo-tabs button.on{color:#fff;background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.22)}.caret{display:inline-block;width:2px;height:1em;background:#fff;margin-left:2px;vertical-align:-2px;animation:blink 1s steps(1) infinite}.caret.off{display:none}.steps{list-style:none;margin:0;padding:0;display:grid;gap:9px}.steps li{display:flex;align-items:center;gap:10px;font-size:14px;color:#7c7c8a;transition:color .3s}.steps li.active{color:#f1f1f5}.steps li.done{color:#e6e6ee}.steps li.wait{color:#fbbf6b}.steps li.skip{color:#7c7c8a;text-decoration:line-through}.flow svg{width:100%;height:auto;display:block}.lk{fill:none;stroke:#3a3a44;stroke-width:2}.lk.on{stroke:var(--act);stroke-dasharray:5 5;animation:dash .7s linear infinite}.lk.done{stroke:var(--ok)}.node rect{fill:#17171c;stroke:#2c2c34;stroke-width:1.5;transition:.3s}.node circle{fill:#25252d;transition:.3s}.node .ic{fill:#c9c9d6;stroke:none}.nt{fill:#f4f4f8;font-size:14px;font-weight:700}.ns{fill:#8a8a98;font-size:12px}.node.active rect{stroke:var(--act);fill:#1d1d24;filter:drop-shadow(0 0 12px var(--actglow))}.node.active circle{fill:#34343e}.node.done rect{stroke:rgba(22,163,74,.7)}.node.done circle{fill:rgba(22,163,74,.3)}.node.done .ic,.node.done .ics{stroke:#86efac}.node.done .ic{fill:#86efac}.node.wait rect{stroke:#f59e0b;animation:pulseNode 1.4s infinite}.node.wait circle{fill:rgba(245,158,11,.25)}.node.skip{opacity:.45}.next{list-style:none;counter-reset:n;padding:0;margin:28px 0 0;display:grid;gap:16px}.next li{counter-increment:n;position:relative;padding-left:44px;color:#cfcfda;font-size:15px}.next li::before{content:counter(n);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.28);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}.next b{color:#fff}.btn-sm{padding:7px 14px;font-size:13px}.hero{position:relative;overflow:hidden;padding:80px 0 56px}.hero-dark{background:var(--ink);color:#fff}.hero-dark .hero-bg{background:radial-gradient(700px 360px at 15% -5%,rgba(194,65,12,.22),transparent 70%),radial-gradient(640px 340px at 90% 5%,rgba(245,245,242,.05),transparent 70%),radial-gradient(#2a2a30 1px,transparent 1.4px) 0 0/22px 22px}.hero-dark h1{color:#fff}.hero-dark .lead{color:#B8B8C0}.hero-dark .fine{color:#8a8a96}.hero-dark .eyebrow{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.16);color:#fff}.hero-dark .pillars{color:#D8D8DD}.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none;background:radial-gradient(700px 360px at 15% -5%,var(--glow1),transparent 70%),radial-gradient(640px 340px at 90% 5%,var(--glow2),transparent 70%),radial-gradient(#e2e2e8 1px,transparent 1.4px) 0 0/22px 22px;-webkit-mask-image:linear-gradient(#000 55%,transparent);mask-image:linear-gradient(#000 55%,transparent)}.hero-in{position:relative;z-index:1;text-align:center}.hero-mark svg{width:100%;height:100%;opacity:.07;overflow:visible}.hm-sq{stroke-dasharray:640;stroke-dashoffset:640;animation:mark-draw 1.4s cubic-bezier(.2,.7,.2,1) .2s forwards}.hm-corner{transform-origin:150px 150px;transform:scale(0);animation:mark-fill .5s cubic-bezier(.3,1.4,.6,1) 1.5s forwards}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:22px;padding:5px 14px;border-radius:99px;background:#fff;border:1px solid var(--line);color:var(--ink2);font-size:13px;font-weight:600;box-shadow:0 1px 2px rgba(15,23,42,.05)}.descriptor{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;font-size:12px;font-weight:600;color:var(--accent);margin:0 0 14px}.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(22,163,74,.18);animation:pulse 2s infinite}.grad{background:linear-gradient(120deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}.quick{display:flex;gap:10px;max-width:520px;margin:0 auto;padding:6px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.quick input{flex:1;min-width:0;border:0;padding:0 12px;font:inherit;font-size:16px;background:transparent;color:var(--ink)}.quick input:focus{outline:none}.quick:focus-within{border-color:var(--brand2);box-shadow:0 0 0 4px var(--ring),var(--shadow)}.pillars{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;margin-top:30px;color:var(--ink2);font-size:14px;font-weight:600}.pillars span{display:inline-flex;align-items:center;gap:8px}.pillars svg{width:16px;height:16px;stroke:var(--accent);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}.demo-wrap{position:relative;z-index:1;margin-top:52px}.demo-bar{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--dline);background:var(--dark2)}.lights{display:flex;gap:6px}.lights i{width:10px;height:10px;border-radius:50%;background:#3a3a44}.demo-title{font-size:13px;font-weight:600;color:#f1f1f5}.demo-body{display:grid;grid-template-columns:1.05fr 1fr;gap:20px;padding:20px 20px 12px;align-items:start;text-align:left}.chat{display:flex;flex-direction:column;gap:14px;min-height:290px}.bubble{border-radius:14px;padding:12px 14px;font-size:15px;line-height:1.5}.bubble.user{align-self:flex-end;max-width:92%;background:linear-gradient(135deg,var(--brand2),var(--brand));border:1px solid rgba(255,255,255,.14);color:#fff;border-bottom-right-radius:4px;min-height:46px}.bubble.user{background:#2a2a31}.bubble.ai{background:var(--dark2);border:1px solid var(--dline);border-bottom-left-radius:4px}.ai-head{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--accent2);margin-bottom:8px}.steps .ck{flex:none;width:20px;height:20px;border-radius:50%;border:2px solid #3a3a44;display:grid;place-items:center;transition:.3s}.steps li.active .ck{border-color:var(--act);border-top-color:transparent;animation:spin .8s linear infinite}.steps li.done .ck{background:var(--ok);border-color:var(--ok)}.steps li.done .ck::after{content:"";width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg) translate(-1px,-1px)}.steps li.wait .ck{border-color:#f59e0b;animation:pulse2 1.4s infinite}.steps li.skip .ck{border-color:#4a4a55}.node .ics{fill:none;stroke:#c9c9d6;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}.node.done .ics{fill:none}.demo-foot{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:14px 20px;border-top:1px solid var(--dline);background:var(--dark2);min-height:64px}.foot-text{flex:1;min-width:200px;font-size:14px;color:#ececf3;text-align:left}.foot-actions{display:flex;gap:8px}.demo-foot .btn:not(.btn-primary){background:#1e1e25;color:#ececf3;border-color:#2c2c34}.demo-foot .btn-primary{background:#fafafa;color:#111;box-shadow:none;border-color:#fafafa}.demo-foot .btn[hidden],.foot-actions[hidden]{display:none}@media (prefers-reduced-motion:reduce){.hm-sq,.sm-sq{stroke-dashoffset:0}.hm-corner,.sm-corner{transform:scale(1)}}@media (max-width:900px){.demo-body{grid-template-columns:1fr}.chat{min-height:0}.hero{padding-top:48px}}@media (max-width:560px){.quick{flex-direction:column;padding:10px}.quick input{padding:12px;text-align:center}.demo-tabs{flex-wrap:wrap;overflow-x:visible}}@keyframes blink{50%{opacity:0}}@keyframes dash{to{stroke-dashoffset:-10}}@keyframes pulseNode{50%{filter:drop-shadow(0 0 10px rgba(245,158,11,.55))}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(22,163,74,.18)}50%{box-shadow:0 0 0 7px rgba(22,163,74,.05)}}@keyframes pulse2{50%{box-shadow:0 0 0 5px rgba(245,158,11,.2)}}@keyframes mark-fill{to{transform:scale(1)}}