:root{--ink:#0f172a;--ink2:#475569;--ink3:#94a3b8;--line:#e2e8f0;--bg:#fff;--soft:#f8fafc;--blue:#1d4ed8;--blue2:#3b82f6;--navy:#0a0d24;--pink:#be185d;--green:#059669;--violet:#6d28d9;--r:16px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
h1,h2,h3,.logo{font-family:"DM Sans",Inter,sans-serif;letter-spacing:-.03em}
a{color:inherit;text-decoration:none}
.wrap{max-width:1240px;margin:0 auto;padding:0 28px}
.eyebrow{display:flex;align-items:center;gap:12px;font:500 11px/1 "JetBrains Mono",ui-monospace,monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--ink3);margin-bottom:22px}
.eyebrow:before{content:"";width:28px;height:1px;background:var(--ink3)}
h2{font-size:clamp(32px,4.4vw,52px);line-height:1.05;font-weight:700;max-width:760px}
.lead{font-size:18px;color:var(--ink2);max-width:680px;margin-top:20px}.lead b{color:var(--ink);font-weight:600}
section{padding:96px 0}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:12px;font-weight:600;font-size:15px;border:1px solid var(--line);background:#fff;transition:.15s;cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 8px 24px -8px rgba(29,78,216,.6)}
/* nav */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px}
.logo svg{width:32px;height:32px}
nav{display:flex;gap:4px;flex:1}
nav a{padding:8px 14px;border-radius:999px;font-size:15px;font-weight:500;color:var(--ink2)}
nav a:hover,nav a.on{background:#f1f5f9;color:var(--ink)}
.nav-r{display:flex;gap:10px}
.nav-r .btn{padding:9px 20px;border-radius:999px}
/* hero */
.hero{padding:72px 0 40px;background:radial-gradient(900px 400px at 85% 0,#e0e7ff55,transparent),radial-gradient(700px 400px at 0 20%,#ffedd544,transparent)}
.since{display:inline-flex;gap:8px;align-items:center;font-size:13px;font-weight:500;padding:6px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink2);margin-bottom:24px}
.since i{width:7px;height:7px;border-radius:50%;background:var(--green)}
.hero-grid{display:flex;justify-content:space-between;gap:40px;align-items:flex-end}
.hero h1{font-size:clamp(44px,7vw,84px);line-height:1;font-weight:700;max-width:760px}
.hero p.lead{font-size:20px}
.pts{display:flex;flex-direction:column;gap:14px;border-left:1px solid var(--line);padding-left:24px;font-size:14px;font-weight:500;min-width:250px}
.pts span{color:var(--ink3);font:11px "JetBrains Mono",monospace;margin-right:12px}
.cta-form{display:flex;gap:10px;margin-top:32px;max-width:520px}
.cta-form input{flex:1;padding:13px 16px;border:1px solid var(--line);border-radius:12px;font:inherit;background:#fff}
.hint{font-size:13px;color:var(--ink3);margin-top:12px}
/* app mock */
.mock{margin-top:56px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 40px 80px -30px rgba(15,23,42,.25);overflow:hidden}
.mock-top{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-bottom:1px solid var(--line);flex-wrap:wrap;gap:12px}
.org{display:flex;align-items:center;gap:10px;font-weight:600;font-size:14px}
.org b{width:22px;height:22px;border-radius:6px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:11px}
.live{font:600 11px "JetBrains Mono",monospace;color:var(--green);background:#d1fae5;padding:4px 10px;border-radius:99px;letter-spacing:.08em}
.kpis{display:flex;gap:36px}.kpis div{font-weight:700;font-size:17px}.kpis small{display:block;font:500 10px "JetBrains Mono",monospace;color:var(--ink3);letter-spacing:.1em}
.kpis div:last-child{color:var(--blue)}
.mock-body{display:grid;grid-template-columns:1fr 1fr}
.pane{padding:20px 24px;max-height:430px;overflow:hidden;position:relative}
.pane+.pane{border-left:1px solid var(--line)}
.pane:after{content:"";position:absolute;inset:auto 0 0;height:90px;background:linear-gradient(transparent,#fff)}
.pane h4{font-size:15px;margin-bottom:14px}
.act{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid #f1f5f9;font-size:14px}
.act .av{flex:none;width:22px;height:22px;border-radius:50%;background:var(--violet);color:#fff;font-size:10px;display:grid;place-items:center;font-weight:600;margin-top:2px}
.act .av.s{background:var(--ink);border-radius:6px}
.act .av.p{background:var(--pink)}
.act time{font:12px "JetBrains Mono",monospace;color:var(--ink3);margin-right:8px}
.act em{font-style:normal;float:right;margin-left:12px;color:var(--ink3);font-size:13px}
.tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:6px;background:#ede9fe;color:var(--violet);margin:6px 8px 0 0;font-weight:500}
.tag.g{background:#dbeafe;color:var(--blue)}.tag.n{background:#f1f5f9;color:var(--ink3)}
.out{padding:12px 0;border-bottom:1px solid #f1f5f9}
.out div{display:flex;justify-content:space-between;align-items:baseline;font-weight:600}
.out b{font-size:20px}
.bar{height:3px;background:#e2e8f0;border-radius:3px;margin:10px 0 6px}.bar i{display:block;height:100%;background:var(--blue);border-radius:3px}
.out small{color:var(--ink3);font-size:12px}
/* unified */
.soft{background:var(--soft)}
.stack{margin-top:56px;display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.chip{padding:20px;border:1px solid var(--line);border-radius:var(--r);background:#fff}
.chip b{display:block;font-family:"DM Sans";font-size:20px}
.chip small{color:var(--ink3);font-size:12px}
.core{margin-top:14px;padding:32px;border-radius:20px;background:var(--navy);color:#fff;display:grid;grid-template-columns:1fr 1.2fr;gap:32px}
.core .eyebrow{color:#818cf8}.core .eyebrow:before{background:#818cf8}
.core h3{font-size:34px}
.core ul{list-style:none;margin-top:16px;color:#cbd5e1;font-size:15px}
.core li{padding:6px 0 6px 22px;position:relative}.core li:before{content:"✓";position:absolute;left:0;color:#818cf8}
.layers{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.layers div{padding:18px;border:1px solid #ffffff22;border-radius:14px;background:#ffffff0a}
.layers b{display:block;margin-bottom:4px}.layers span{font-size:13px;color:#94a3b8}
/* services */
.svc{margin-top:48px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{border:1px solid var(--line);border-radius:var(--r);padding:22px;background:#fff}
.card h3{font-size:19px}
.card .k{font:600 10px "JetBrains Mono",monospace;letter-spacing:.12em;color:var(--blue);margin:2px 0 14px}
.io{display:flex;gap:8px;align-items:center;font-size:13px;margin-bottom:12px}
.io span{padding:4px 10px;border-radius:8px;background:var(--soft);border:1px solid var(--line)}
.lab{font:500 10px "JetBrains Mono",monospace;letter-spacing:.12em;color:var(--ink3);margin:12px 0 6px}
.stg{display:flex;flex-wrap:wrap;gap:6px}.stg span{font-size:12px;padding:3px 9px;border-radius:99px;background:#eff6ff;color:var(--blue)}
.card p{font-size:13px;color:var(--ink2)}
.card .op{margin-top:14px;font-size:12px;color:var(--ink3)}
.detail{margin-top:24px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;padding:32px;border:1px solid var(--line);border-radius:20px;background:#fff}
.detail code{font:12px "JetBrains Mono",monospace;color:var(--ink3)}
.detail h3{font-size:24px;margin:4px 0 10px}
.detail p,.detail li{font-size:14px;color:var(--ink2)}.detail ol{padding-left:18px}
.detail h5{font-size:16px;margin-bottom:6px}
/* chat */
.two{display:grid;grid-template-columns:1.1fr 1fr;gap:20px;margin-top:48px}
.chat{border:1px solid var(--line);border-radius:20px;background:#fff;padding:24px;box-shadow:0 20px 50px -25px rgba(15,23,42,.2)}
.bub{background:#eff6ff;padding:10px 16px;border-radius:14px 14px 4px 14px;margin:0 0 14px auto;width:fit-content;font-size:14px}
.chat .muted{font-size:12px;color:var(--ink3);margin-bottom:10px}
.chat p{font-size:14px;color:var(--ink2);margin-bottom:12px}
.opt{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:10px;font-size:14px}
.opt small{display:block;color:var(--ink3)}.opt.ok{border-color:#a7f3d0;background:#ecfdf5}
.input{border:1px solid var(--line);border-radius:12px;padding:12px 14px;color:var(--ink3);font-size:14px;margin-top:14px}
.hubs{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-content:start}
.hub{border:1px solid var(--line);border-radius:14px;padding:16px;background:#fff}
.hub small{font:600 9px "JetBrains Mono",monospace;letter-spacing:.1em;color:var(--blue)}
.hub b{display:block;font-family:"DM Sans";margin:2px 0 6px}
.hub span{font-size:12px;color:var(--ink2);display:block}
/* outputs */
.tabs{display:grid;grid-template-columns:300px 1fr;gap:48px;margin-top:56px}
.tl button{display:block;width:100%;text-align:left;padding:16px 0;background:none;border:0;border-bottom:1px solid var(--line);font:600 16px "DM Sans";color:var(--ink3);cursor:pointer}
.tl button.on{color:var(--ink)}
.tl .bar{margin:8px 0 0}.tl .bar i{background:var(--line)}.tl .on .bar i{background:var(--blue)}
.big{font:700 clamp(54px,8vw,96px)/1 "DM Sans";letter-spacing:-.05em;margin:8px 0}
.t-meta{font:500 11px "JetBrains Mono",monospace;letter-spacing:.1em;color:var(--ink3)}
.src{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.src small{font:600 10px "JetBrains Mono",monospace;letter-spacing:.1em}.src b{display:block;font-size:17px}.src p{font-size:14px;color:var(--ink2)}
.rules{margin-top:24px;padding-top:20px;border-top:1px solid var(--line);font-size:14px;color:var(--ink2);display:flex;flex-wrap:wrap;gap:8px 24px}
.rules span:before{content:"✓ ";color:var(--green)}
.note{margin-top:48px;max-width:680px;border-top:1px solid var(--line);padding-top:20px;color:var(--ink2);font-size:15px}.note b{color:var(--ink)}
/* AI dark */
.dark{background:var(--navy);color:#fff;border-radius:40px;margin:0 20px;padding:96px 0}
.dark .eyebrow{color:#818cf8;justify-content:center}.dark .eyebrow:before{display:none}
.dark h2,.dark .lead{margin-left:auto;margin-right:auto;text-align:center}.dark .lead{color:#94a3b8}
.models{display:flex;gap:10px;justify-content:center;margin:32px 0;flex-wrap:wrap}
.models span{font:600 11px "JetBrains Mono",monospace;letter-spacing:.12em;padding:8px 16px;border:1px solid #ffffff2a;border-radius:99px;color:#cbd5e1}
.kinds{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:48px}
.kind{border:1px solid #ffffff1f;border-radius:16px;padding:20px;background:#ffffff08}
.kind i{font:normal 600 11px "JetBrains Mono",monospace;color:#818cf8}
.kind h3{font-size:18px;margin:8px 0 4px}.kind small{font:600 10px "JetBrains Mono",monospace;letter-spacing:.1em;color:#818cf8}
.kind ul{list-style:none;margin-top:12px;font-size:13px;color:#94a3b8}.kind li{padding:3px 0}
.anat{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:12px}
.anat div{border:1px solid #ffffff1f;border-radius:16px;padding:22px}
.anat small{font:600 10px "JetBrains Mono",monospace;color:#818cf8;letter-spacing:.12em}
.anat h4{font:700 20px "DM Sans";margin:8px 0 4px}.anat p{font-size:13px;color:#94a3b8}
.anat code{display:block;margin-top:12px;font:12px "JetBrains Mono",monospace;color:#cbd5e1;background:#ffffff0f;padding:8px 10px;border-radius:8px}
.h3c{text-align:center;font:600 13px "JetBrains Mono",monospace;letter-spacing:.14em;color:#818cf8;margin-top:56px}
/* universal */
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:48px}
.three .card{padding:28px}.three small{font:600 10px "JetBrains Mono",monospace;letter-spacing:.12em;color:var(--blue)}
.three h3{font-size:24px;margin:8px 0 10px}.three p{font-size:15px;color:var(--ink2)}
.flow{display:flex;align-items:center;gap:10px;margin-top:20px;font-size:13px;flex-wrap:wrap}
.flow span{padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:var(--soft)}
.pill{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.pill span{font-size:12px;padding:4px 10px;border-radius:99px;background:#eff6ff;color:var(--blue)}
/* CTA, FAQ */
.cta{text-align:center;background:linear-gradient(180deg,#eff6ff,#fff)}
.cta h2,.cta .lead{margin-left:auto;margin-right:auto}
.cta-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:48px;text-align:left}
.cta-3 .card h3{margin:0 0 6px}.cta-3 .card p{margin-bottom:16px}
details{border-bottom:1px solid var(--line);padding:22px 0;max-width:820px}
summary{font:600 19px "DM Sans";cursor:pointer;list-style:none;display:flex;justify-content:space-between}
summary:after{content:"+";color:var(--ink3)}details[open] summary:after{content:"–"}
details p{margin-top:12px;color:var(--ink2)}
/* footer */
footer{background:var(--navy);color:#cbd5e1;padding:64px 0 32px;font-size:14px}
.fgrid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px}
footer h5{color:#fff;font:600 14px "DM Sans";margin-bottom:14px}
footer li{list-style:none;padding:5px 0}footer a:hover{color:#fff}
footer .logo{color:#fff;margin-bottom:12px}
.badges{display:flex;gap:16px;flex-wrap:wrap;margin-top:16px;font-size:12px;color:#94a3b8}
.copy{margin-top:48px;padding-top:24px;border-top:1px solid #ffffff1a;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;color:#94a3b8;font-size:13px}
@media(max-width:960px){
  nav{display:none}.hero-grid,.mock-body,.core,.two,.tabs,.detail{grid-template-columns:1fr;display:grid}
  .pts{display:none}.kpis{gap:18px;flex-wrap:wrap}.pane+.pane{border-left:0;border-top:1px solid var(--line)}
  .stack,.kinds,.anat,.svc,.three,.cta-3,.src,.fgrid{grid-template-columns:1fr 1fr}
  section{padding:64px 0}.dark{margin:0 8px;border-radius:28px}
}
@media(max-width:560px){.stack,.kinds,.anat,.svc,.three,.cta-3,.src,.fgrid,.hubs{grid-template-columns:1fr}.cta-form{flex-direction:column}.nav-r .btn:first-child{display:none}.wrap{padding:0 18px}}