:root{
  --ink:#0f172a; --ink2:#334155; --muted:#64748b; --line:#e2e8f0; --soft:#f8fafc;
  --agent:#4f46e5; --agent-soft:#eef2ff; --human:#d97706; --human-soft:#fffbeb;
  --ok:#059669; --no:#e11d48;
  --max:1180px; --r:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased;font-feature-settings:"cv11","ss01"}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
section{padding:104px 0}
.soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kicker{display:inline-block;font-size:13px;font-weight:600;color:var(--agent);margin-bottom:12px;letter-spacing:.02em}
h1,h2,h3{letter-spacing:-.025em;line-height:1.12}
h2{font-size:clamp(30px,3.6vw,42px);font-weight:700;margin-bottom:14px;max-width:760px}
.lead{font-size:18px;color:var(--muted);max-width:680px}
.head{margin-bottom:56px}
.btn{display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 22px;border-radius:10px;font-weight:600;font-size:15px;transition:.18s;border:1px solid transparent}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#1e293b;transform:translateY(-1px)}
.btn-line{border-color:var(--line);background:#fff}
.btn-line:hover{border-color:#cbd5e1;background:var(--soft)}
.mono{font-family:"JetBrains Mono",monospace}

/* nav */
nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:-.02em}
.logo svg{width:26px;height:26px}
.links{display:flex;gap:30px;align-items:center;font-size:14.5px;color:var(--ink2)}
.links a:not(.btn):hover{color:var(--ink)}
.links .btn{height:38px;padding:0 16px;font-size:14px}
.burger{display:none;background:none;border:0;cursor:pointer;padding:6px}
.burger span{display:block;width:20px;height:2px;background:var(--ink);margin:4px 0}

/* hero */
.hero{padding:88px 0 96px;position:relative;overflow:hidden;
  background:
    radial-gradient(900px 400px at 50% -10%,rgba(79,70,229,.08),transparent 70%),
    linear-gradient(#fff,#fff)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 70% 55% at 50% 30%,#000 30%,transparent 75%);opacity:.55;pointer-events:none}
.hero .wrap{position:relative}
.hero-top{text-align:center;max-width:820px;margin:0 auto}
.pill{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:500;color:var(--ink2);border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px 6px 8px;margin-bottom:26px}
.pill b{display:inline-flex;gap:4px;align-items:center;font-weight:600;font-size:12px;padding:2px 8px;border-radius:999px;background:var(--agent-soft);color:var(--agent)}
.hero h1{font-size:clamp(44px,6.4vw,76px);font-weight:700;letter-spacing:-.04em;margin-bottom:22px}
.hero h1 .a{color:var(--agent)} .hero h1 .h{color:var(--human)}
.hero p.hero-offer{margin:0 auto 16px;max-width:680px;font-size:21px;font-weight:600;color:var(--ink2)}
.hero p.lead{margin:0 auto 34px;font-size:19px}
.hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.proof{display:flex;justify-content:center;flex-wrap:wrap;gap:10px 26px;margin:34px -80px 0;font-size:13.5px;color:var(--muted)}
.swipe{display:none;font-size:12.5px;color:var(--muted);text-align:center;padding:8px 0 0}
.proof span{display:inline-flex;align-items:center;gap:8px}
.proof span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ok)}

/* product window */
.flow-intro{margin-top:72px;text-align:center}
.flow-intro h2{margin:0 auto 14px}
.hero .flow-intro p.lead{margin:0 auto}
.flow-intro+.window{margin-top:36px}
.window{margin-top:64px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 1px 2px rgba(15,23,42,.04),0 24px 64px -24px rgba(15,23,42,.18);overflow:hidden}
.win-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 18px;border-bottom:1px solid var(--line);background:var(--soft)}
.dots{display:flex;gap:7px}
.dots i{width:11px;height:11px;border-radius:50%;background:#e2e8f0}
.win-title{font-size:13px;color:var(--muted);flex:1;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.win-title b{color:var(--ink);font-weight:600}
.live{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;color:var(--ok)}
.live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ok);animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(5,150,105,.5)}100%{box-shadow:0 0 0 8px rgba(5,150,105,0)}}
.canvas{padding:18px;overflow-x:auto}
.canvas svg{display:block;width:100%;min-width:940px;height:auto}
.canvas text{font-family:Inter,system-ui,sans-serif}
.status{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;border-top:1px solid var(--line);font-size:14px}
.status .now{display:flex;align-items:center;gap:12px;min-height:22px}
.status .who{font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 9px;border-radius:6px;background:var(--agent-soft);color:var(--agent);transition:.2s}
.status .who.h{background:var(--human-soft);color:var(--human)}
.status .who.r{background:#fff1f2;color:var(--no)}
.status .who.d{background:#ecfdf5;color:var(--ok)}
.status .msg{color:var(--ink2);transition:opacity .25s}
.status .step{color:var(--muted);font-size:13px;white-space:nowrap}

/* svg node styles */
.st rect{fill:#fff;stroke:#dfe3f3;stroke-width:1.5;transition:stroke .25s,filter .25s}
.st.active rect{stroke:var(--agent);stroke-width:2;filter:drop-shadow(0 6px 16px rgba(79,70,229,.25))}
.gt polygon{fill:#fff;stroke:var(--human);stroke-width:2;transition:.25s}
.gt.active polygon{fill:#fde68a;filter:drop-shadow(0 4px 12px rgba(217,119,6,.45))}
.gt.reject polygon{fill:#ffe4e6;stroke:var(--no)}
.end.active rect{fill:#d1fae5}
.ok{fill:none;stroke:var(--ok);stroke-width:2;stroke-dasharray:6 6;animation:dash 1.1s linear infinite}
.no{fill:none;stroke:var(--no);stroke-width:1.8;stroke-dasharray:4 5;opacity:.75;animation:dash 1.6s linear infinite reverse}
.hand{fill:none;stroke:#94a3b8;stroke-width:1.8}
@keyframes dash{to{stroke-dashoffset:-12}}
.legend{display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:center;margin-top:22px;font-size:13.5px;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:9px}
.lg{width:26px;border-top:2px dashed var(--ok)} .lg.r{border-color:var(--no)} .lg.g{border-top-style:solid;border-color:#94a3b8}
.lg-a{width:14px;height:10px;border-radius:3px;border:1.5px solid var(--agent);background:var(--agent-soft)}
.lg-h{width:10px;height:10px;transform:rotate(45deg);border:1.5px solid var(--human);background:var(--human-soft)}

/* stages */
.stages{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stage{background:#fff;border:1px solid var(--line);border-radius:var(--r);display:flex;flex-direction:column;overflow:hidden}
.stage-in{padding:24px 22px;flex:1}
.stage .n{font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--agent);font-weight:500}
.stage h3{font-size:19px;margin:6px 0 8px}
.stage p{font-size:14.5px;color:var(--muted);margin-bottom:16px}
.stage ul{list-style:none;border-top:1px solid var(--line);padding-top:14px}
.stage li{font-size:13.5px;color:var(--ink2);padding:4px 0 4px 18px;position:relative}
.stage li::before{content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:2px;background:var(--agent-soft);border:1.5px solid var(--agent)}
.stage .out{font-size:13px;color:var(--muted);margin-top:14px}
.stage .out b{color:var(--ink);font-weight:600}
.gate-foot{display:flex;align-items:center;gap:10px;padding:14px 22px;background:var(--human-soft);border-top:1px solid #fde68a;font-size:13.5px;color:#92400e;font-weight:500}
.gate-foot i{flex:none;width:10px;height:10px;transform:rotate(45deg);border:1.5px solid var(--human);background:#fff}

/* layer map */
.map{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.map-row{display:grid;grid-template-columns:1.25fr 2fr 1fr 1.5fr 1.2fr;gap:24px;align-items:center;padding:18px 24px;border-top:1px solid var(--line)}
.map-row:first-child{border-top:0}
.map-hd{background:var(--soft);font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;padding:12px 24px}
.ly{display:flex;align-items:center;gap:12px;font-weight:600;font-size:15px}
.ly .tag{font-family:"JetBrains Mono",monospace;font-size:11px;font-weight:500;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:2px 6px}
.map-row .what{font-size:14px;color:var(--ink2)}
.map-row .agent{font-size:13px;font-weight:500;color:var(--agent)}
.map-row .tools{font-size:13px;color:var(--muted)}
.vol{height:8px;border-radius:99px;background:var(--line);overflow:hidden}
.vol i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--agent),#818cf8)}
.vol-l{font-size:12px;color:var(--muted);margin-top:6px}
.map-nfr{background:linear-gradient(90deg,var(--agent-soft),#fff 70%)}
.map-note{font-size:13.5px;color:var(--muted);margin-top:16px}

/* compare */
.cmp{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;font-size:15px}
.cmp th,.cmp td{text-align:left;padding:16px 22px;border-top:1px solid var(--line)}
.cmp thead th{border-top:0;background:var(--soft);font-size:13px;color:var(--muted);font-weight:600}
.cmp thead th.us{color:var(--ink);background:var(--agent-soft)}
.cmp td{color:var(--muted)} .cmp td:first-child{color:var(--ink);font-weight:500}
.cmp td.us{color:var(--ink);background:#fafaff;font-weight:500}
.y{color:var(--ok)} .x{color:var(--no)} .m{color:var(--human)}

/* services */
.offers{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.offer{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);padding:30px;background:#fff}
.offer.feat{border-color:var(--ink);box-shadow:0 20px 50px -28px rgba(15,23,42,.35)}
.offer .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.offer h3{font-size:20px}
.offer .badge{font-size:11.5px;font-weight:600;background:var(--ink);color:#fff;border-radius:99px;padding:3px 10px}
.offer .dur{font-size:14px;color:var(--muted);margin-bottom:22px}
.offer .price{font-size:32px;font-weight:700;letter-spacing:-.03em}
.offer .price.quote{font-size:19px;letter-spacing:-.02em}
.offer .price small{font-size:14px;color:var(--muted);font-weight:500;letter-spacing:0}
.offer ul{list-style:none;margin:22px 0 28px;flex:1;border-top:1px solid var(--line);padding-top:18px}
.offer li{font-size:14.5px;color:var(--ink2);padding:6px 0 6px 26px;position:relative}
.offer li::before{content:"";position:absolute;left:0;top:11px;width:14px;height:8px;border-left:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(-45deg) scale(.8)}
.offer .btn{justify-content:center}

/* about */
.about{display:grid;grid-template-columns:340px 1fr;gap:64px;align-items:start}
.card-me{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;position:sticky;top:96px}
.photo{aspect-ratio:1;background:linear-gradient(135deg,var(--agent-soft),var(--human-soft));display:grid;place-items:center;font-size:84px;font-weight:700;letter-spacing:-.05em;color:var(--ink)}
.photo img{width:100%;height:100%;object-fit:cover}
.me-in{padding:22px}
.me-in h3{font-size:20px}
.me-in .role{font-size:14px;color:var(--muted);margin:2px 0 16px}
.me-in .row{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:12.5px;border:1px solid var(--line);border-radius:7px;padding:4px 9px;color:var(--ink2);background:var(--soft)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin:32px 0 40px}
.stats div{background:#fff;padding:20px}
.stats b{display:block;font-size:28px;letter-spacing:-.03em}
.stats span{font-size:13px;color:var(--muted)}
.about p.body{font-size:17px;color:var(--ink2);margin-bottom:16px}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.side{border:1px solid var(--line);border-radius:var(--r);padding:28px;background:#fff}
.side.h{border-top:3px solid var(--human)} .side.a{border-top:3px solid var(--agent)}
.side h3{font-size:19px;margin-bottom:14px}
.side ul{list-style:none}
.side li{font-size:15px;color:var(--ink2);padding:6px 0 6px 18px;position:relative}
.side li::before{content:"";position:absolute;left:0;top:14px;width:7px;height:7px;border-radius:2px;background:var(--agent)}
.side.h li::before{background:var(--human)}
.projects{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.proj{border:1px solid var(--line);border-radius:var(--r);padding:22px;background:#fff;display:flex;flex-direction:column;transition:border-color .2s,box-shadow .2s}
.proj:hover{border-color:#c7d2fe;box-shadow:0 12px 30px -20px rgba(79,70,229,.4)}
.proj:last-child{grid-column:1/-1}
.proj.feat{grid-column:1/-1;background:linear-gradient(135deg,var(--agent-soft),#fff 60%);border-color:#c7d2fe}
.p-top{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px}
.dom{font-size:11.5px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--agent)}
.p-role{font-size:12px;color:var(--muted)}
.proj h4{font-size:16.5px;letter-spacing:-.01em;margin-bottom:6px}
.proj p{font-size:14.5px;color:var(--muted);flex:1}
.p-stack{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.p-stack span{font-family:"JetBrains Mono",monospace;font-size:11.5px;color:var(--ink2);background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:2px 7px}
.subhead{font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:36px 0 18px}
.stack{display:flex;flex-wrap:wrap;gap:8px}

/* trust */
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tcard{border:1px solid var(--line);border-radius:var(--r);padding:28px;background:#fff}
.tcard svg{width:22px;height:22px;stroke:var(--agent);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ic{width:42px;height:42px;border-radius:10px;background:var(--agent-soft);display:grid;place-items:center;margin-bottom:18px}
.tcard h3{font-size:17px;margin-bottom:8px}
.tcard p{font-size:14.5px;color:var(--muted)}

/* problems */
.probs{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.prob{border-top:2px solid var(--ink);padding-top:22px}
.prob .n{font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--muted)}
.prob h3{font-size:18px;margin:8px 0}
.prob p{font-size:15px;color:var(--muted)}

/* faq */
.faq{display:grid;grid-template-columns:1fr 1.6fr;gap:64px}
details{border-bottom:1px solid var(--line);padding:20px 0}
details:first-child{border-top:1px solid var(--line)}
summary{cursor:pointer;font-weight:600;font-size:16.5px;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--muted);font-weight:400;font-size:22px;line-height:1}
details[open] summary::after{content:"–"}
details p{color:var(--muted);margin-top:10px;font-size:15px}

/* cta */
.final{background:var(--ink);color:#fff;padding:96px 0;position:relative;overflow:hidden}
.final::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 15% 0%,rgba(79,70,229,.35),transparent 70%),radial-gradient(600px 300px at 85% 100%,rgba(217,119,6,.25),transparent 70%)}
.final .wrap{position:relative;display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center}
.final h2{color:#fff}
.final .lead{color:#cbd5e1}
.final .acts{display:flex;flex-direction:column;gap:12px}
.final .btn{height:52px;justify-content:center}
.btn-white{background:#fff;color:var(--ink)}
.btn-white:hover{background:#f1f5f9}
.btn-ghostw{border-color:rgba(255,255,255,.25);color:#fff}
.btn-ghostw:hover{background:rgba(255,255,255,.06)}
footer{padding:28px 0;font-size:13.5px;color:var(--muted);border-top:1px solid var(--line)}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px}
footer a:hover{color:var(--ink)}

.rv{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}

@media (max-width:1000px){
  .links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:flex-start;padding:20px 24px;background:#fff;border-bottom:1px solid var(--line)}
  .links.open{display:flex}
  .burger{display:block}
  .stages{grid-template-columns:repeat(2,1fr)}
  .map-hd{display:none}
  .map-row{grid-template-columns:1fr 1fr;gap:10px 20px}
  .map-row .what{grid-column:1/-1}
  .about,.faq,.final .wrap{grid-template-columns:1fr}
  .card-me{position:static;max-width:380px}
  .offers,.trust,.probs{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .projects,.duo{grid-template-columns:1fr}
}
@media (max-width:760px){
  section{padding:76px 0}
  .stages{grid-template-columns:1fr}
  .status .step{display:none}
  .proof{margin:34px 0 0}
  .swipe{display:block}
  .cmp{font-size:13px} .cmp th,.cmp td{padding:12px 10px}
}
@media (prefers-reduced-motion:reduce){.ok,.no,.live::before{animation:none}.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* pages */
.hero.sub h1{font-size:clamp(38px,5vw,60px)}
.window{scroll-margin-top:88px}
.paths{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:64px}
.path{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px;transition:.18s}
.path.q{border-top:3px solid var(--agent)}
.path.o{border-top:3px solid var(--human)}
.path:hover{transform:translateY(-2px);box-shadow:0 20px 50px -28px rgba(15,23,42,.35)}
.path.o .kicker{color:var(--human)}
.path h2{font-size:26px;margin-bottom:12px}
.path p{font-size:16px;color:var(--muted);flex:1}
.path .more{margin-top:20px;font-weight:600;font-size:15px}
.note{margin-top:40px;color:var(--muted)}
.note a{color:var(--agent);font-weight:600}
.form{position:relative;display:grid;gap:18px;max-width:640px;margin:48px auto 0;padding:32px;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form label{display:grid;gap:6px;font-size:14px;font-weight:600;color:var(--ink2)}
.form input,.form select,.form textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font:400 15px Inter,system-ui,sans-serif}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--agent);outline-offset:-1px}
.form textarea{resize:vertical}
.form .btn{justify-content:center;cursor:pointer}
.form .hint{font-size:13.5px;color:var(--muted);text-align:center}
.form .hint a{color:var(--agent);font-weight:600}
.links a[aria-current=page]:not(.btn){color:var(--ink);font-weight:600}
@media (max-width:1000px){.paths{grid-template-columns:1fr}}
@media (max-width:760px){.form .two{grid-template-columns:1fr}.form{padding:22px}}