:root{
  --paper:#f4f1ea; --paper2:#ece8de; --ink:#14213d; --muted:#5b6478;
  --blue:#2a7fb8; --amber:#e0953a; --purple:#6a3fb5; --red:#d23a3a; --teal:#19a58a;
  --line:rgba(20,33,61,.12);
  --head:'Barlow Condensed',system-ui,sans-serif; --body:'Inter',system-ui,sans-serif; --mono:'JetBrains Mono',ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.6;overflow-x:hidden;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:40px 40px;background-attachment:fixed}
a{color:inherit;text-decoration:none}
em{font-style:normal}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding:14px clamp(16px,4vw,48px);
  background:rgba(244,241,234,.8);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{font-family:var(--head);font-weight:700;font-size:26px;letter-spacing:.02em;display:flex;align-items:center;gap:10px}
.brand-ring{width:22px;height:22px;border-radius:50%;border:3px dashed var(--blue);position:relative;animation:spin 8s linear infinite}
.brand-ring::after{content:"";position:absolute;inset:4px;background:var(--purple);border-radius:50%}
.links{display:flex;gap:26px;align-items:center;font-size:14px;font-weight:500}
.links a:not(.btn):hover{color:var(--purple)}
@media(max-width:720px){.links a:not(.btn){display:none}}

.btn{display:inline-block;background:var(--ink);color:#fff;padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;border:2px solid var(--ink);transition:.2s;cursor:pointer}
.btn:hover{background:var(--purple);border-color:var(--purple);transform:translateY(-2px);box-shadow:0 8px 24px rgba(106,63,181,.3)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{color:#fff}
.btn.small{padding:8px 18px;font-size:13px}

/* hero */
.hero{min-height:100vh;padding:110px clamp(16px,4vw,56px) 60px;display:grid;grid-template-columns:minmax(300px,.8fr) 1.4fr;gap:20px;align-items:center;position:relative}
@media(max-width:1000px){.hero{grid-template-columns:1fr;padding-top:100px}}
.eyebrow{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--purple);display:flex;align-items:center;gap:8px;margin-bottom:14px}
.eyebrow.light{color:#b9a3f0}
.dot{width:8px;height:8px;border-radius:50%;background:var(--teal);animation:pulse 1.6s infinite}
h1{font-family:var(--head);font-weight:700;font-size:clamp(56px,9vw,120px);line-height:.92;letter-spacing:-.01em}
h1 em{color:var(--blue);position:relative}
h1 em::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;background:var(--amber);opacity:.5;z-index:-1;transform-origin:left;animation:underline 1.2s .5s both}
.lede{margin:22px 0 28px;font-size:18px;color:var(--muted);max-width:480px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.hub-wrap{position:relative}
.hub{width:100%;height:auto;overflow:visible}
.svg-title{font-family:var(--head);font-weight:700;font-size:44px;fill:var(--ink)}
.svg-sub{font-family:var(--body);font-size:12px;fill:var(--muted)}
.svg-label{font-family:var(--head);font-weight:600;font-size:22px;fill:var(--ink)}
.svg-small{font-family:var(--body);font-size:13px;fill:var(--muted)}
.svg-tag{font-family:var(--mono);font-size:12px}
.spin-slow{animation:spin 24s linear infinite}
.spin-rev{animation:spin 16s linear infinite reverse}
.spin-med{animation:spin 40s linear infinite}
.spin-slow,.spin-rev,.spin-med,.a1,.a2,.drone,.rotor,.drill,.conveyor,.scan,.wave,.blink{transform-box:fill-box;transform-origin:center}
.a1{transform-origin:50% 100%;animation:swing 4s ease-in-out infinite}
.a2{transform-origin:0 50%;animation:swing2 3s ease-in-out infinite}
.drone{animation:hover 3s ease-in-out infinite}
.rotor{animation:flap .25s linear infinite alternate}
.drill{animation:drill 1.6s ease-in-out infinite}
.conveyor{animation:belt 3s linear infinite}
.scan{animation:fade 1.8s ease-in-out infinite}
.wave{animation:fade 1.2s ease-in-out infinite}
.blink{animation:fade 1.4s steps(2) infinite}
.scroll-cue{position:absolute;bottom:18px;left:50%;width:24px;height:40px;border:2px solid var(--ink);border-radius:14px;opacity:.5}
.scroll-cue span{position:absolute;left:50%;top:7px;width:4px;height:8px;margin-left:-2px;background:var(--ink);border-radius:2px;animation:wheel 1.6s infinite}

/* sections */
.sec{padding:100px clamp(16px,5vw,72px);max-width:1280px;margin:0 auto}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2,.cta-sec h2{font-family:var(--head);font-weight:700;font-size:clamp(40px,6vw,72px);line-height:1;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:17px}
.sec.dark{max-width:none;background:#0f1730;color:#e8ecf7;position:relative;border-block:1px solid #000}
.sec.dark>*{max-width:1136px;margin-inline:auto}
.sec.dark .sec-head p{color:#9aa6c4}
.c-amber{color:var(--amber)}

.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s,transform .8s}
.reveal.in{opacity:1;transform:none}

/* demo */
.demo{display:grid;grid-template-columns:1fr 1.15fr;gap:28px}
@media(max-width:900px){.demo{grid-template-columns:1fr}}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.chips button{font:500 13px var(--body);padding:7px 14px;border-radius:999px;border:1.5px solid var(--ink);background:transparent;color:var(--ink);cursor:pointer;transition:.2s}
.chips button.on,.chips button:hover{background:var(--ink);color:#fff}
.chat{background:#fff;border:1.5px solid var(--ink);border-radius:16px;padding:18px;box-shadow:6px 6px 0 var(--ink)}
.bubble{padding:12px 16px;border-radius:14px;font-size:15px;min-height:48px}
.bubble.user{background:var(--paper2);margin-bottom:10px;font-family:var(--mono);font-size:13.5px}
.bubble.bot{background:rgba(106,63,181,.1);color:var(--purple);font-weight:500}
.caret{display:inline-block;width:2px;height:1em;background:var(--ink);vertical-align:-2px;margin-left:2px;animation:blink 1s steps(2) infinite}
.pipeline{list-style:none;margin-top:24px;position:relative;padding-left:30px}
.pipeline::before{content:"";position:absolute;left:11px;top:10px;bottom:10px;width:2px;background:var(--line)}
.pipeline li{position:relative;padding:8px 0;font-size:15px;opacity:.3;transition:.5s;transform:translateX(-8px)}
.pipeline li::before{content:"";position:absolute;left:-26px;top:14px;width:12px;height:12px;border-radius:50%;background:var(--paper);border:2px solid var(--muted);transition:.4s}
.pipeline li b{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-right:8px}
.pipeline li.on{opacity:1;transform:none}
.pipeline li.on::before{background:var(--teal);border-color:var(--teal);box-shadow:0 0 0 5px rgba(25,165,138,.2)}
.screen{background:#fff;border:1.5px solid var(--ink);border-radius:16px;overflow:hidden;box-shadow:6px 6px 0 var(--purple)}
.screen-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;border-bottom:1.5px solid var(--ink);background:var(--paper2);font-size:13px}
.screen-bar>span{width:10px;height:10px;border-radius:50%;background:var(--ink);opacity:.25}
.screen-bar b{margin-left:10px;font-weight:600}
.live{margin-left:auto;font:500 11px var(--mono);color:var(--red);display:flex;align-items:center;gap:5px}
.live i{width:7px;height:7px;border-radius:50%;background:var(--red);animation:pulse 1.2s infinite}
.screen-body{padding:16px;opacity:.15;transition:opacity .8s}
.screen-body.on{opacity:1}
.kpis{display:flex;gap:10px;margin-bottom:10px}
.kpi{flex:1;background:var(--paper);border-radius:10px;padding:8px 12px}
.kpi span{display:block;font:11px var(--mono);color:var(--muted);text-transform:uppercase}
.kpi b{font-family:var(--head);font-size:28px;line-height:1.1}
#chart{width:100%;height:auto;display:block}
.report{display:flex;align-items:center;gap:10px;margin:0 16px 16px;padding:10px 14px;border:1.5px dashed var(--teal);border-radius:10px;color:var(--teal);font-weight:600;font-size:14px;opacity:0;transform:translateY(10px);transition:.6s}
.report.on{opacity:1;transform:none}
.report em{margin-left:auto;font:500 11px var(--mono);background:var(--teal);color:#fff;padding:2px 8px;border-radius:99px}

/* brain */
.brain{position:relative;height:560px;margin-top:10px;border-radius:24px;overflow:hidden;background:radial-gradient(circle at 50% 100%,rgba(106,63,181,.25),transparent 60%)}
#brain-canvas{position:absolute;inset:0;width:100%;height:100%}
.brain-label{text-shadow:0 0 8px #0f1730,0 0 16px #0f1730,0 0 24px #0f1730;position:absolute;top:46%;max-width:230px;pointer-events:none}
.brain-label.l{left:8%;color:#7fc4ee}.brain-label.r{right:8%;text-align:right;color:#f2b872}
.brain-label b{display:block;font-family:var(--head);font-size:30px;font-weight:600;line-height:1}
.brain-label span{font-size:13px;color:#aab4cf}
.brain-core{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);width:160px;height:160px;border-radius:50%;border:2px solid var(--purple);background:rgba(15,23,48,.85);display:grid;place-items:center;text-align:center;font-family:var(--head);font-size:22px;line-height:1.05;font-weight:600;color:#d6c8f7;pointer-events:none}
.brain-core i{position:absolute;inset:-12px;border-radius:50%;border:2px dashed var(--purple);animation:spin 14s linear infinite}
@media(max-width:700px){.brain-label{top:30%;max-width:130px}.brain-label b{font-size:22px}}
.flow-strip{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:34px}
.flow-strip div{border:1.5px solid #34406a;border-radius:12px;padding:10px 18px;text-align:center}
.flow-strip b{display:block;font-family:var(--head);font-size:20px;font-weight:600}
.flow-strip span{font-size:12px;color:#8e9ac0}
.flow-strip i{font-style:normal;color:var(--purple);font-size:22px}
.flow-strip div:nth-child(1){border-color:var(--red)}.flow-strip div:nth-child(3){border-color:var(--blue)}.flow-strip div:nth-child(5){border-color:var(--purple)}.flow-strip div:nth-child(7){border-color:var(--purple)}

/* cases */

/* layers */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.card{background:#fff;border:1.5px solid var(--ink);border-radius:18px;padding:24px;position:relative;transition:.25s;overflow:hidden}
.card:hover{transform:translate(-4px,-4px);box-shadow:8px 8px 0 var(--purple)}
.card h3{font-family:var(--head);font-size:30px;font-weight:600;margin:10px 0 6px;line-height:1}
.card p{font-size:14.5px;color:var(--muted);margin-bottom:14px}
.card svg{width:100%;height:46px}
.tag{font:500 11px var(--mono);text-transform:uppercase;letter-spacing:.1em;padding:3px 10px;border-radius:99px;border:1px solid var(--muted);color:var(--muted)}
.tag.now{background:var(--teal);border-color:var(--teal);color:#fff}
.live-card{border-color:var(--teal);box-shadow:6px 6px 0 var(--teal)}
.ekg{stroke-dasharray:200;animation:ekg 2.4s linear infinite}
.conveyor2{animation:belt2 3s linear infinite}
.gcode{stroke-dasharray:6 4;animation:dash 1s linear infinite}
.swing{transform-origin:30px 36px;animation:swing 3s ease-in-out infinite}
.scanline{animation:scanline 2.4s ease-in-out infinite alternate}
.twinkle circle{animation:pulse 2s infinite}.twinkle circle:nth-child(2){animation-delay:.5s}.twinkle circle:nth-child(3){animation-delay:1s}

/* cta */
.cta-sec{text-align:center;padding:120px 20px;background:var(--ink);color:#fff;margin-top:60px}
.cta-sec h2 em{color:var(--amber)}
.cta-sec p{color:#aab4cf;margin-bottom:26px}
.cta-sec .btn{background:var(--amber);border-color:var(--amber);color:var(--ink)}
.term{display:inline-block;text-align:left;background:#0a1226;border:1px solid #34406a;border-radius:14px;padding:20px 26px;margin-bottom:28px;font:14px/1.9 var(--mono);color:#cfd8f0;max-width:100%;overflow-x:auto}
.term .c{color:var(--teal)}
footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:22px clamp(16px,4vw,48px);background:var(--ink);color:#8e9ac0;font-size:13px;border-top:1px solid #34406a}
footer .brand{color:#fff;font-size:20px}

/* keyframes */
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{50%{opacity:.35;transform:scale(1.3)}}
@keyframes blink{50%{opacity:0}}
@keyframes fade{50%{opacity:.25}}
@keyframes wheel{to{transform:translateY(14px);opacity:0}}
@keyframes underline{from{transform:scaleX(0)}}
@keyframes swing{50%{transform:rotate(-14deg)}}
@keyframes swing2{50%{transform:rotate(18deg)}}
@keyframes hover{50%{transform:translate(0,-10px)}}
@keyframes flap{to{transform:scaleX(.6)}}
@keyframes drill{50%{transform:translateY(8px)}}
@keyframes belt{from{transform:translateX(-12px)}to{transform:translateX(30px)}}
@keyframes belt2{to{transform:translateX(40px)}}
@keyframes dash{to{stroke-dashoffset:-12}}
@keyframes ekg{from{stroke-dashoffset:200}to{stroke-dashoffset:-200}}
@keyframes scanline{to{transform:translateX(80px)}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* use-case theatre */
.uc{display:grid;grid-template-columns:300px 1fr;gap:24px;align-items:start}
@media(max-width:900px){.uc{grid-template-columns:1fr}}
.uc-list{list-style:none;display:flex;flex-direction:column;gap:8px}
@media(max-width:900px){.uc-list{flex-direction:row;overflow-x:auto;padding-bottom:6px}.uc-list li{min-width:210px}}
.uc-list li{position:relative;overflow:hidden;background:#fff;border:1.5px solid var(--ink);border-radius:14px;padding:12px 16px;cursor:pointer;transition:.25s}
.uc-list li:hover{transform:translateX(4px)}
.uc-list li b{display:block;font-family:var(--head);font-size:22px;font-weight:600;line-height:1.1}
.uc-list li span{font-size:12.5px;color:var(--muted)}
.uc-list li.on{background:var(--ink);color:#fff;box-shadow:5px 5px 0 var(--purple)}
.uc-list li.on span{color:#aab4cf}
.uc-list li i{position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--amber)}
.uc-stage{background:#fff;border:1.5px solid var(--ink);border-radius:20px;overflow:hidden;box-shadow:8px 8px 0 var(--ink)}
.uc-prompt{display:flex;gap:12px;align-items:baseline;padding:12px 18px;background:var(--paper2);border-bottom:1.5px solid var(--ink);font:13.5px var(--mono)}
.uc-prompt b{color:var(--purple);font-size:11px;text-transform:uppercase;letter-spacing:.1em;white-space:nowrap}
#stage{display:block;width:100%;height:auto}
.marquee{overflow:hidden;margin-top:34px;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee .track{display:flex;gap:12px;width:max-content;animation:scrollx 50s linear infinite}
.marquee span{white-space:nowrap;border:1.5px solid var(--ink);border-radius:999px;padding:7px 16px;font-size:14px;background:#fff}
.more{text-align:center;margin-top:18px;color:var(--muted)}
.more a{color:var(--purple);font-weight:600}
@keyframes scrollx{to{transform:translateX(-50%)}}

/* hero film */
.film{position:relative;border-radius:20px;overflow:hidden;border:1.5px solid var(--ink);box-shadow:8px 8px 0 var(--purple);background:#0a1020}
#hero-stage{display:block;width:100%;height:auto}
.film-cap{padding:10px 16px;background:#0a1020;color:#8e9ac0;font-size:13px;border-top:1px solid #1c2742}
#map .hub-wrap{max-width:1000px;margin:0 auto}

/* operator app */
.app-body{padding:16px;opacity:.15;transition:opacity .8s;pointer-events:none}
.app-body.on{opacity:1;pointer-events:auto}
.app-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.app-row label{display:flex;flex-direction:column;gap:4px;font:500 10px var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.app-row input{width:110px;padding:7px 10px;border:1.5px solid var(--ink);border-radius:8px;font:600 14px var(--mono);background:#fff;color:var(--ink)}
.app-row input[type=number]{width:84px}
.verdict{display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px;border-radius:12px;margin:10px 0;border:2px solid var(--line);background:var(--paper);transition:.3s}
.verdict b{font-family:var(--head);font-size:40px;line-height:1;font-weight:700}
.verdict span{font-size:13px;color:var(--muted);min-height:1.2em}
.verdict.run{border-color:var(--purple);background:rgba(106,63,181,.08)}.verdict.run b{color:var(--purple)}
.verdict.pass{border-color:var(--teal);background:rgba(25,165,138,.12)}.verdict.pass b{color:var(--teal)}
.verdict.fail{border-color:var(--red);background:rgba(210,58,58,.1)}.verdict.fail b{color:var(--red)}
.app-actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.app-actions button:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.hist{width:100%;border-collapse:collapse;font:12px var(--mono)}
.hist th{text-align:left;font-weight:500;color:var(--muted);padding:4px 6px;border-bottom:1.5px solid var(--line)}
.hist td{padding:5px 6px;border-bottom:1px solid var(--line)}
.hist td.ok{color:var(--teal);font-weight:700}.hist td.bad{color:var(--red);font-weight:700}

.live.ok{color:var(--teal)}.live.ok i{background:var(--teal)}

/* knowledge base */
.c-blue{color:#7fc4ee}
.sec.dark .sec-head p b{font-weight:600}
.kchip{position:absolute;padding:6px 14px;border-radius:999px;font:500 12.5px var(--mono);background:rgba(15,23,48,.88);animation:floaty 6s ease-in-out infinite;pointer-events:none;white-space:nowrap}
.kchip.d1,.kchip.d2,.kchip.d3{border:1.5px solid #2a7fb8;color:#9fd4f5}
.kchip.e1,.kchip.e2,.kchip.e3{border:1.5px solid #e0953a;color:#f5c58a}
.kchip.d1{left:6%;top:8%}.kchip.d2{left:21%;top:21%;animation-delay:-2s}.kchip.d3{left:7%;top:33%;animation-delay:-4s}
.kchip.e1{right:6%;top:8%;animation-delay:-1s}.kchip.e2{right:17%;top:21%;animation-delay:-3s}.kchip.e3{right:6%;top:33%;animation-delay:-5s}
@keyframes floaty{50%{transform:translateY(-8px)}}
@media(max-width:900px){.kchip{font-size:10.5px;padding:4px 10px}.kchip.d2,.kchip.e2{display:none}}
.kb-example{margin:30px auto 0;max-width:1136px}
.kb-title{font:500 12px var(--mono);text-transform:uppercase;letter-spacing:.14em;color:#8e9ac0;margin-bottom:10px}
.kb-row{display:flex;align-items:stretch;gap:12px;flex-wrap:wrap}
.kb-box{flex:1;min-width:230px;border-radius:14px;padding:14px 18px;background:#0b1328;border:1.5px solid #34406a}
.kb-box b{display:block;font-family:var(--head);font-size:22px;font-weight:600;margin-bottom:4px}
.kb-box span{font-size:14px;color:#aab4cf}
.kb-box em{font-weight:700;color:#fff;padding:0 4px;border-radius:4px}
.kb-box.dom{border-color:#2a7fb8}.kb-box.dom b{color:#7fc4ee}.kb-box.dom em{background:rgba(42,127,184,.4)}
.kb-box.ent{border-color:#e0953a}.kb-box.ent b{color:#f2b872}.kb-box.ent em{background:rgba(224,149,58,.4)}
.kb-box.dec{border-color:var(--purple);background:rgba(106,63,181,.18)}.kb-box.dec b{color:#d6c8f7}.kb-box.dec em{background:var(--red)}
.kb-op{align-self:center;font-style:normal;font-size:28px;color:var(--purple);animation:pulse 1.8s infinite}
@media(max-width:900px){.kb-op{display:none}}

.cta-sec .btn.ghost.light{background:transparent;color:#fff;border-color:#fff}
.cta-sec .btn.ghost.light:hover{background:#fff;color:var(--ink);border-color:#fff}
.cta-sec .cta{justify-content:center}