:root{--bg:#fff;--alt:#f4f7fb;--ink:#141a24;--muted:#566173;--line:#e1e7ef;--accent:#1d5fd1;--accent-ink:#fff;--accent-soft:#e8f0fc;--ok:#13794a;--warn:#9a5b00;--user:#e8f0fc;--bot:#f1f3f7;--step:#566173;--radius:14px;--shadow:0 1px 2px rgba(20,26,36,.06),0 8px 24px rgba(20,26,36,.06);--font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
@media (prefers-color-scheme:dark){:root{--bg:#0f141c;--alt:#151c27;--ink:#e8edf5;--muted:#9aa7ba;--line:#273244;--accent:#5b9bff;--accent-ink:#06142b;--accent-soft:#16264a;--ok:#4fd08c;--warn:#f0b35a;--user:#16264a;--bot:#1b2432;--step:#9aa7ba;--shadow:none}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 var(--font);-webkit-text-size-adjust:100%}
img,svg{max-width:100%}a{color:var(--accent)}a:hover{text-decoration:none}
h1,h2,h3{line-height:1.2;margin:0 0 .6em;letter-spacing:-.01em}h1{font-size:clamp(1.9rem,4.4vw,3rem)}h2{font-size:clamp(1.5rem,3vw,2rem)}h3{font-size:1.1rem}
p{margin:0 0 1em}ul,ol{padding-left:1.2em}li{margin:.25em 0}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.narrow{max-width:760px}.center{text-align:center}.narrow-p{max-width:760px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--bg);padding:8px 12px;z-index:50}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.muted{color:var(--muted)}.small{font-size:.9rem}.ok{color:var(--ok)}
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 92%,transparent);border-bottom:1px solid var(--line);backdrop-filter:saturate(1.4) blur(6px)}
.top-in{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);text-decoration:none;font-size:1.1rem}
.logo-mark{flex:none}.logo-word{font-weight:500;letter-spacing:-.01em}.logo-word b{font-weight:800}
.top-nav{display:flex;align-items:center;gap:18px}.top-nav a:not(.btn){color:var(--ink);text-decoration:none}.top-nav a:not(.btn):hover{color:var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;border:2px solid var(--accent);border-radius:12px;background:var(--accent);color:var(--accent-ink);font:600 1rem var(--font);text-decoration:none;cursor:pointer;transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}.btn:disabled{opacity:.6;cursor:default}
.btn-sm{min-height:40px;padding:0 16px;font-size:.95rem}.btn-block{width:100%}
.btn-ghost{background:transparent;color:var(--accent)}
.crumbs{padding-top:16px;padding-bottom:0;font-size:.9rem;color:var(--muted)}.crumbs a{color:var(--muted)}
.hero{padding:32px 0 56px}.hero-grid{display:grid;gap:36px;grid-template-columns:1.05fr .95fr;align-items:center}
.eyebrow{margin:0 0 12px;color:var(--accent);font-weight:600;font-size:.9rem;letter-spacing:.04em;text-transform:uppercase}
.lead{font-size:1.2rem;color:var(--muted);max-width:40em}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;margin:22px 0}
.ticks{list-style:none;padding:0;display:grid;gap:6px;margin:0}.ticks li{padding-left:26px;position:relative;margin:0}
.ticks li::before{content:"";position:absolute;left:2px;top:.45em;width:12px;height:7px;border-left:3px solid var(--ok);border-bottom:3px solid var(--ok);transform:rotate(-45deg)}
.ticks.inline{display:flex;flex-wrap:wrap;gap:6px 22px;justify-content:center}
.sec{padding:64px 0}.sec-alt{background:var(--alt)}.sec h2{margin-bottom:.7em}
.final{background:var(--accent-soft)}
.grid{display:grid;gap:18px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:22px}.sec-alt .card{background:var(--bg)}
.card h3{margin-bottom:.4em}.card p,.card ul{margin-bottom:0;color:var(--muted)}.card ul{padding-left:1.1em}
.card-link{text-decoration:none;color:inherit;display:block;transition:border-color .12s,transform .12s}.card-link:hover{border-color:var(--accent);transform:translateY(-2px)}
.tag{display:inline-block;margin-bottom:8px;padding:2px 10px;border-radius:99px;background:var(--accent-soft);color:var(--accent);font-size:.8rem;font-weight:600}
.grp{margin:28px 0 12px;color:var(--muted);font-size:.95rem;text-transform:uppercase;letter-spacing:.05em}
.chat{border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);box-shadow:var(--shadow);overflow:hidden}
.chat-head{display:flex;align-items:center;gap:6px;padding:10px 14px;background:var(--alt);border-bottom:1px solid var(--line)}
.dot{width:10px;height:10px;border-radius:50%;background:var(--line)}.chat-title{margin-left:8px;font-size:.85rem;color:var(--muted)}
.chat-body{display:grid;gap:10px;padding:16px;font-size:.97rem}
.msg{max-width:92%;padding:10px 14px;border-radius:14px;overflow-wrap:anywhere}
.msg-user{justify-self:end;background:var(--user);border-bottom-right-radius:4px}
.msg-bot{justify-self:start;background:var(--bot);border-bottom-left-radius:4px}
.msg-step{justify-self:start;padding:2px 6px;color:var(--step);font-size:.9rem}
.msg-site{justify-self:start;border:1px dashed var(--ok);color:var(--ok);background:transparent}
.msg-preview{width:100%;max-width:100%}.msg-preview p{margin:0 0 8px}
.tbl-wrap{overflow-x:auto}.tbl{width:100%;border-collapse:collapse;font-size:.9rem}
.tbl th,.tbl td{padding:6px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.tbl th{color:var(--muted);font-weight:600}
.tbl-compare{font-size:.95rem}.tbl-compare th[scope=row]{white-space:nowrap}
.chat-foot{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;padding:10px 14px;border-top:1px solid var(--line);font-size:.85rem}
.chat-demo{display:grid;gap:10px;padding:12px 14px 14px;border-top:1px solid var(--line);background:var(--alt)}.chat-demo[hidden]{display:none}
.chat-demo-label{margin:0;font-size:.9rem;color:var(--muted)}.chat-demo-label b{color:var(--ink)}
.chat-chips{display:flex;flex-wrap:wrap;gap:8px}
.chip-btn{min-height:36px;padding:6px 12px;border:1px solid var(--line);border-radius:99px;background:var(--bg);color:var(--accent);font:500 .88rem var(--font);cursor:pointer;text-align:left}
.chip-btn:hover{border-color:var(--accent)}.chip-btn:disabled{opacity:.6;cursor:default}
.chat-input{display:flex;gap:8px}.chat-input input{flex:1;min-width:0;min-height:40px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font:1rem var(--font)}
.chat-input input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.chat.is-live .chat-body{max-height:440px;overflow-y:auto;align-content:start}
.msg-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.msg-actions .btn{min-height:36px;padding:0 14px;font-size:.9rem}
.msg-wait{color:var(--step);font-size:.9rem}.msg-cta{justify-self:stretch;max-width:100%;border:1px solid var(--accent);background:var(--accent-soft)}
[data-chat].is-live .msg{animation:pop .3s both}
@media (max-width:480px){.chat-input{flex-direction:column}}
[data-chat].is-playing .msg{animation:pop .3s both}@keyframes pop{from{opacity:0;transform:translateY(6px)}}
@media (prefers-reduced-motion:reduce){[data-chat].is-playing .msg,[data-chat].is-live .msg{animation:none}html{scroll-behavior:auto}.btn,.card-link{transition:none}}
.steps{list-style:none;counter-reset:s;padding:0;display:grid;gap:18px}
.steps li{counter-increment:s;position:relative;padding-left:56px;margin:0}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-weight:700}
.steps h3{margin-bottom:.2em}.steps p{margin:0;color:var(--muted)}
.prompts{list-style:none;padding:0;display:grid;gap:14px}.prompts li{margin:0;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.prompt-say{display:flex;gap:12px;align-items:flex-start;justify-content:space-between;font-weight:600}.prompt-say .btn{flex:none}
.prompt-res{margin:8px 0 0;color:var(--muted);font-size:.95rem}
.calc{background:var(--alt);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin:14px 0}
.calc label{display:block;margin-bottom:12px;font-weight:600}.calc input[type=range]{display:block;width:100%;margin-top:6px;accent-color:var(--accent)}
.calc-res{margin:0;font-size:1.05rem}
.faq details{border-bottom:1px solid var(--line);padding:12px 0}.faq summary{cursor:pointer;font-weight:600;list-style:none;padding-right:24px;position:relative}
.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";position:absolute;right:0;top:0;color:var(--accent);font-size:1.3rem;line-height:1.2}
.faq details[open] summary::after{content:"−"}.faq p{margin:.7em 0 0;color:var(--muted)}
.form{display:grid;gap:14px}.form label{display:grid;gap:4px;font-weight:600}.form small{font-weight:400;color:var(--muted)}
.form input,.form select,.form textarea{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);min-height:44px;width:100%}
.form-row{display:grid;gap:14px;grid-template-columns:1fr 1fr}.consent{display:flex!important;gap:10px;font-weight:400!important;align-items:flex-start}.consent input{width:auto;min-height:0;margin-top:5px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
#pilot-status.ok{color:var(--ok)}#pilot-status.err{color:#c0392b}
.foot{padding:48px 0 96px;background:var(--alt);border-top:1px solid var(--line);font-size:.95rem}
.foot-grid{display:grid;gap:28px;grid-template-columns:1.3fr repeat(3,1fr)}.foot-h{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:.5em}
.plain{list-style:none;padding:0;margin:0}.plain li{margin:.35em 0}.plain a{color:var(--ink);text-decoration:none}.plain a:hover{color:var(--accent)}
.fine{margin:14px 0 0;color:var(--muted);font-size:.85rem}
.sticky-cta{display:none}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}.g3{grid-template-columns:repeat(2,1fr)}.foot-grid{grid-template-columns:1fr 1fr}.hide-sm{display:none}}
@media (max-width:640px){body{font-size:16px}.sec{padding:44px 0}.g2,.g3,.form-row,.foot-grid{grid-template-columns:1fr}.hero{padding-top:20px}
.sticky-cta{display:block;position:fixed;left:0;right:0;bottom:0;z-index:30;padding:10px 16px;background:color-mix(in srgb,var(--bg) 94%,transparent);border-top:1px solid var(--line)}
.prompt-say{flex-direction:column}}

.shots{display:grid;gap:22px;grid-template-columns:repeat(2,1fr);margin-top:18px}.shot{margin:0;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.shot a{display:block;cursor:zoom-in}.shot img{display:block;width:100%;height:auto;border-bottom:1px solid var(--line)}.shot figcaption{padding:14px 16px;font-size:.95rem;color:var(--muted)}.shot strong{color:var(--ink)}
@media (max-width:640px){.shots{grid-template-columns:1fr}}

.proof{display:inline-flex;align-items:center;gap:10px;margin:0 0 14px;padding:6px 14px;border:1px solid var(--line);border-radius:18px;background:var(--alt);font-size:.92rem;color:var(--muted)}
.proof[hidden]{display:none}.proof b{color:var(--ink)}.proof-final{margin:6px 0 0}
.pulse{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 color-mix(in srgb,var(--ok) 50%,transparent);animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px transparent}100%{box-shadow:0 0 0 0 transparent}}
@media (prefers-reduced-motion:reduce){.pulse{animation:none}}
.facts-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg)}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0}
.fact{display:grid;gap:2px;padding:20px 22px;border-left:1px solid var(--line)}.fact:first-child{border-left:0}
.fact b{font-size:1.15rem;color:var(--ink)}.fact span{color:var(--muted);font-size:.92rem;line-height:1.45}
@media (max-width:640px){.fact{border-left:0;border-top:1px solid var(--line)}.fact:first-child{border-top:0}}
.quote{margin:0}.quote blockquote{margin:0 0 12px;color:var(--ink);font-size:1.02rem}.quote figcaption{font-size:.92rem}
.center{text-align:center}.center .cta-row{justify-content:center}

.case-groups{margin-top:32px;border-bottom:1px solid var(--line)}
.case-group{display:grid;grid-template-columns:200px minmax(0,1fr);gap:16px 32px;padding:28px 0;border-top:1px solid var(--line)}
.case-group .grp{margin:4px 0 0}
.g-cases{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.card-case{display:flex;flex-direction:column;padding:18px 20px}
.card-case h3{font-size:1.02rem}.card-case p{font-size:.94rem;flex:1}
.card-case .more-link{margin-top:12px;font-size:.88rem;font-weight:600;color:var(--accent);opacity:.85}
.card-case:hover .more-link{opacity:1}
@media (max-width:860px){.case-group{grid-template-columns:minmax(0,1fr);padding:22px 0}}
/* roadmap */
.roadmap{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:28px;align-items:start}
.rm-stage h2{display:flex;align-items:center;gap:10px;font-size:1.15rem;margin:0 0 8px}
.rm-stage ul{display:grid;gap:12px;margin:12px 0 0}
.rm-stage .card{padding:16px}.rm-stage .card h3{font-size:1rem;margin:0 0 6px}.rm-stage .card p{margin:0;color:var(--muted);font-size:.95rem}
.rm-dot{width:10px;height:10px;border-radius:50%;background:var(--muted);flex:none}
.rm-done .rm-dot{background:var(--ok)}.rm-now .rm-dot{background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}.rm-next .rm-dot{background:var(--warn)}
.rm-done .card{border-left:3px solid var(--ok)}.rm-now .card{border-left:3px solid var(--accent)}
/* pricing */
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:14px 24px;margin-bottom:24px}.sec-head h2{margin-bottom:.3em}.sec-head p{margin:0}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--bg)}
.seg button{border:0;background:transparent;color:var(--muted);font:500 .92rem var(--font);padding:9px 14px;cursor:pointer;white-space:nowrap}
.seg button+button{border-left:1px solid var(--line)}.seg button[aria-pressed=true]{background:var(--accent-soft);color:var(--accent);font-weight:650;cursor:default}
.plans-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(196px,1fr));gap:14px;align-items:stretch}
@media (max-width:640px){.sec-head{align-items:flex-start}.seg{max-width:100%}.seg button{white-space:normal;text-align:left}}
.plan-card{display:flex;flex-direction:column;gap:10px;padding:22px 20px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius)}
.plan-featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset,var(--shadow)}
.plan-free{background:var(--alt)}
.plan-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px}.plan-head h3{margin:0;font-size:1.15rem}.plan-head .tag{margin:0}
.plan-price{font-size:1.7rem;font-weight:700;letter-spacing:-.01em;line-height:1.1}.plan-price small{display:block;font-size:.85rem;font-weight:500;color:var(--muted);margin-top:4px}
.period-yearly{display:none}[data-plans][data-period="12"] .period-monthly{display:none}[data-plans][data-period="12"] .period-yearly{display:block}
.plan-for{color:var(--muted);font-size:.93rem;margin:0;min-height:2.8em}
.plan-feats{list-style:none;padding:0;margin:4px 0 8px;display:grid;gap:6px;flex:1;font-size:.93rem}
.plan-feats li{position:relative;padding-left:22px;margin:0}.plan-feats li::before{content:"";position:absolute;left:2px;top:.5em;width:10px;height:6px;border-left:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(-45deg)}
.ladder{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.ladder-step{position:relative;padding:22px 22px 22px 64px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius)}
.ladder-n{position:absolute;left:18px;top:22px;width:32px;height:32px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-weight:700}
.ladder-step h3{margin-bottom:.3em}.ladder-step p{margin:0;color:var(--muted);font-size:.95rem}
.ticks-2{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 28px}
.tbl-plans th[scope=row]{font-weight:500;color:var(--ink)}.tbl-plans td{text-align:center}.tbl-plans thead th:not(:first-child){text-align:center}
@media (max-width:900px){.ladder{grid-template-columns:1fr}.ticks-2{grid-template-columns:1fr}}
.demos{display:grid;gap:22px;grid-template-columns:repeat(2,1fr);margin-top:18px}
@media (max-width:760px){.demos{grid-template-columns:1fr}}
.demo-one{margin:22px 0 6px}
.snippet{margin:26px 0 8px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg)}.snippet-head{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;border-bottom:1px solid var(--line);font-weight:600;font-size:.95rem}.snippet pre{margin:0;padding:16px;overflow-x:auto;font-size:.9rem;line-height:1.5}.snippet code{background:none;padding:0}.snippet .small{padding:10px 16px 14px;margin:0}
.guide-check{margin-top:26px;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--alt)}.guide-check h3{margin-bottom:.4em}.guide-check .chip{display:inline-block;padding:6px 12px;border-radius:99px;background:var(--user);font-weight:600}
.guide-need .card ul{margin:0;padding-left:1.1em}
@media (max-width:760px){.guide-need{grid-template-columns:1fr}}
.connect-strip{display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-top:28px;padding:20px 22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--alt)}.connect-strip h3{margin-bottom:.3em}.connect-strip p{margin:0}
.guide-check .more{margin-top:10px}.guide-check .more ul{margin:8px 0 0;padding-left:1.1em}
.cta-alt{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin:-8px 0 18px;color:var(--muted,#5b6472)}
.connect-strip .actions{display:flex;flex-wrap:wrap;gap:10px}
.case-more{margin:14px 0 0;font-size:.95rem;line-height:1.7}
.plans-2{max-width:720px}
.plans-3{max-width:1000px}
.more-shots{margin-top:24px}.more-shots summary{cursor:pointer;font-weight:600;color:var(--accent)}.more-shots .shots{margin-top:20px}
.tbl-alt{min-width:860px}.tbl-alt td,.tbl-alt th{padding:10px 12px}.tbl-alt th[scope=row]{white-space:normal;min-width:130px;color:var(--ink)}
.tbl-alt td:last-child,.tbl-alt thead th:last-child{background:color-mix(in srgb,var(--accent) 9%,transparent);color:var(--ink)}
.tbl-alt thead th:last-child{color:var(--accent)}
.alt-others-h{margin:36px 0 14px}
.alt-cards{display:none}
.alt-card{border:1px solid var(--line);border-radius:14px;background:var(--card,transparent);margin-bottom:12px}
.alt-card summary{display:flex;flex-direction:column;gap:4px;padding:14px 40px 14px 16px;cursor:pointer;list-style:none;position:relative}
.alt-card summary::-webkit-details-marker{display:none}
.alt-card summary::after{content:"+";position:absolute;right:16px;top:12px;font-size:1.3rem;color:var(--accent)}
.alt-card[open] summary::after{content:"\2013"}
.alt-name{font-weight:700}.alt-eg{color:var(--muted);font-size:.9rem}
.alt-card dl{margin:0;padding:0 16px 14px}
.alt-card dt{margin-top:12px;color:var(--muted);font-size:.82rem;text-transform:uppercase;letter-spacing:.04em}
.alt-card dd{margin:3px 0 0}
.alt-ours{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent)}
.alt-ours .alt-name{color:var(--accent)}
@media (max-width:860px){.alt-cards{display:block}.alt-table{display:none}}
.case-top{margin-top:28px}.case-top .tag{margin-bottom:8px;display:inline-block}
.case-list{display:grid;grid-template-columns:180px minmax(0,1fr);gap:10px 28px;margin:28px 0 0;padding-top:20px;border-top:1px solid var(--line);font-size:.97rem;line-height:1.6}
.case-list dt{color:var(--muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;padding-top:3px}.case-list dd{margin:0}
.alt-others{margin-top:20px}.alt-others .grid{margin-top:16px}
@media (max-width:640px){.case-list{grid-template-columns:1fr;gap:2px}.case-list dd{margin-bottom:12px}.hero .ticks{display:none}}
.demo-connect{margin-top:14px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;font-size:.92rem}
.demo-connect p{margin:0 0 10px}.demo-connect p:last-child{margin:0;font-size:.85rem}
.demo-connect-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin:0 0 10px}
.demo-connect-url{display:inline-flex;flex-wrap:wrap;align-items:center;gap:8px;min-width:0}
.demo-connect-url code{overflow-wrap:anywhere;font-size:.85rem}