/* Nidvi — site styles */
@font-face{font-family:"Geist";src:url("../fonts/Geist-Variable.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Geist Mono";src:url("../fonts/GeistMono-Variable.woff2") format("woff2");font-weight:100 900;font-display:swap}

:root{
  --bg:#070B18;
  --soft:#0A1022;
  --soft-2:#0E1530;
  --card:#0D1428;
  --card-2:#111A33;
  --ink:#F2F4F8;
  --ink-2:#D5DAE5;
  --muted:#A4ABBD;
  --faint:#6F7891;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.15);
  --accent:#2F5CFF;
  --accent-ink:#8FA8FF;
  --accent-soft:rgba(47,92,255,.16);
  --ok:#34D399;
  --warn:#FBBF24;
  --radius:24px;
  --radius-sm:14px;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 16px 40px rgba(0,0,0,.35);
  --shadow-lg:0 2px 4px rgba(0,0,0,.3),0 40px 90px rgba(0,0,0,.55);
  --sans:"Geist",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --maxw:1240px;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit}
button{font:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}
::selection{background:var(--accent-soft)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
@media (max-width:700px){.wrap{padding:0 16px}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:10px;background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;z-index:300}
.skip:focus{left:10px}
.mono{font-family:var(--mono)}

/* ---------- type ---------- */
.label{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 20px}
.label::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
h1,h2,h3{margin:0;font-weight:600;color:var(--ink)}
h1{font-size:clamp(40px,6.4vw,84px);line-height:1;letter-spacing:-.045em}
h2{font-size:clamp(32px,4.6vw,56px);line-height:1.04;letter-spacing:-.035em}
h3{font-size:21px;line-height:1.25;letter-spacing:-.02em}
.muted{color:var(--muted)}
.soft-text{color:var(--faint)}
p{margin:0}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:50px;padding:0 24px;border-radius:999px;font-size:15.5px;font-weight:550;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s;white-space:nowrap}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-1px);box-shadow:0 10px 24px rgba(11,16,32,.18)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-ink);transform:translateY(-1px);box-shadow:0 10px 24px rgba(47,92,255,.28)}
.btn-light{background:var(--soft);color:var(--ink);border-color:var(--line)}
.btn-light:hover{background:#fff;border-color:var(--line-2)}
.btn-sm{height:42px;padding:0 18px;font-size:14.5px}
.btn .arr{transition:transform .2s}
.btn:hover .arr{transform:translateX(3px)}
.link{color:var(--ink);text-decoration:none;font-weight:550;display:inline-flex;gap:8px;align-items:center;border-bottom:1px solid var(--line-2);padding-bottom:2px}
.link:hover{border-color:var(--ink)}

/* ---------- header ---------- */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.82);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid transparent;transition:border-color .25s}
.header.scrolled{border-bottom-color:var(--line)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;text-decoration:none}
.brand svg{height:32px;width:auto}
.menu{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.menu a{display:block;padding:8px 14px;border-radius:999px;font-size:15px;color:var(--muted);text-decoration:none;transition:color .15s,background .15s}
.menu a:hover{color:var(--ink);background:var(--soft)}
.nav-cta{display:flex;align-items:center;gap:10px}
.burger{display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center}
.burger span{display:block;width:16px;height:1.5px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink);transition:transform .2s}
.burger span::before{top:-5px}.burger span::after{top:5px}
.nav-open .burger span{background:transparent}
.nav-open .burger span::before{transform:translateY(5px) rotate(45deg)}
.nav-open .burger span::after{transform:translateY(-5px) rotate(-45deg)}
@media (max-width:900px){
  .menu{display:none;position:absolute;top:76px;left:0;right:0;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--line);padding:12px 16px 20px;gap:2px}
  .nav-open .menu{display:flex}
  .menu a{font-size:17px;padding:12px 14px}
  .burger{display:inline-flex}
  .nav-cta .btn{display:none}
}

/* ---------- hero ---------- */
.hero{position:relative;padding:88px 0 0;text-align:center;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0 0 auto 0;height:900px;background:
  radial-gradient(600px 380px at 50% 0%,rgba(47,92,255,.10),transparent 70%),
  linear-gradient(var(--line) 1px,transparent 1px) 0 0/56px 56px,
  linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/56px 56px;
  mask-image:linear-gradient(#000 0%,rgba(0,0,0,.6) 40%,transparent 85%);-webkit-mask-image:linear-gradient(#000 0%,rgba(0,0,0,.6) 40%,transparent 85%);opacity:.7;pointer-events:none}
.hero .wrap{position:relative}
.pill{display:inline-flex;align-items:center;gap:10px;padding:7px 16px 7px 8px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:14px;color:var(--muted);box-shadow:0 1px 2px rgba(11,16,32,.04);margin-bottom:32px}
.pill b{font-weight:550;color:var(--ink);background:var(--accent-soft);color:var(--accent-ink);padding:3px 10px;border-radius:999px;font-size:12.5px}
.hero h1{max-width:1080px;margin:0 auto 26px}
.hero h1 .dim{color:var(--faint)}
.hero .lead{max-width:640px;margin:0 auto 38px;font-size:clamp(17px,1.6vw,20px);color:var(--muted)}
.hero .ctas{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.trust{margin:30px auto 0;display:flex;flex-wrap:wrap;justify-content:center;gap:8px 26px;font-size:14px;color:var(--muted)}
.trust span{display:inline-flex;align-items:center;gap:8px}
.trust svg{width:16px;height:16px;color:var(--accent)}

/* app window (hero visual) */
.stage{position:relative;margin:72px auto 0;max-width:1120px;padding:0 0 0}
.stage::after{content:"";position:absolute;left:-10%;right:-10%;bottom:-1px;height:40%;background:linear-gradient(transparent,var(--bg) 92%);pointer-events:none}
.window{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-lg);overflow:hidden;text-align:left;font-size:13.5px}
.win-bar{display:flex;align-items:center;gap:14px;height:46px;padding:0 18px;border-bottom:1px solid var(--line);background:#FBFCFE}
.win-bar .dots{display:flex;gap:7px}.win-bar .dots i{width:10px;height:10px;border-radius:50%;background:var(--line-2)}
.win-bar .path{font-family:var(--mono);font-size:12.5px;color:var(--muted);background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:4px 12px}
.win-bar .status{margin-left:auto;font-family:var(--mono);font-size:12px;color:var(--ok);display:flex;align-items:center;gap:8px}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--ok);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(18,161,80,.45)}70%{box-shadow:0 0 0 8px rgba(18,161,80,0)}100%{box-shadow:0 0 0 0 rgba(18,161,80,0)}}
.win-body{display:grid;grid-template-columns:210px 1fr 250px;min-height:420px}
.side{border-right:1px solid var(--line);padding:18px 12px;background:#FCFCFE}
.side h4,.panel h4{margin:0 0 10px;padding:0 8px;font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--faint)}
.side ul{list-style:none;margin:0 0 22px;padding:0}
.side li{display:flex;align-items:center;gap:10px;padding:8px;border-radius:9px;color:var(--muted);font-size:13.5px}
.side li.on{background:var(--accent-soft);color:var(--accent-ink);font-weight:550}
.side li i{width:7px;height:7px;border-radius:50%;background:var(--line-2);flex:none}
.side li.on i{background:var(--ok)}
.main{padding:22px 24px}
.main-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.main-head strong{font-size:15px;font-weight:600}
.main-head span{font-family:var(--mono);font-size:12px;color:var(--muted)}
.flow{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:22px}
.flow::before{content:"";position:absolute;left:8%;right:8%;top:50%;height:2px;background:repeating-linear-gradient(90deg,var(--line-2) 0 6px,transparent 6px 12px)}
.flow .beam{position:absolute;top:calc(50% - 3px);left:8%;width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(47,92,255,.15);animation:beam 4.8s cubic-bezier(.6,0,.4,1) infinite}
@keyframes beam{0%{left:8%;opacity:0}6%{opacity:1}94%{opacity:1}100%{left:91%;opacity:0}}
.node{position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 10px 11px;box-shadow:0 1px 2px rgba(11,16,32,.04)}
.node small{display:block;font-family:var(--mono);font-size:10.5px;color:var(--faint);letter-spacing:.04em;text-transform:uppercase}
.node b{display:block;font-weight:600;font-size:13px;margin-top:2px}
.node em{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--accent-ink)}
.node.hl{border-color:rgba(47,92,255,.45);box-shadow:0 0 0 4px rgba(47,92,255,.08)}
.runs{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.runs .r{display:grid;grid-template-columns:1.1fr 1.6fr 1fr .8fr;gap:10px;padding:10px 14px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;color:var(--muted);align-items:center}
.runs .r:first-child{border-top:0;background:#FBFCFE;color:var(--faint);font-size:11px;text-transform:uppercase;letter-spacing:.06em}
.tag-s{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;padding:2px 8px;border-radius:999px;width:max-content}
.tag-s.ok{background:#E8F7EE;color:#0B7A3B}.tag-s.retry{background:#FFF4E5;color:#9A5200}.tag-s.review{background:var(--accent-soft);color:var(--accent-ink)}
.panel{border-left:1px solid var(--line);padding:18px 14px;background:#FCFCFE;display:flex;flex-direction:column;gap:12px}
.metric{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.metric small{font-family:var(--mono);font-size:11px;color:var(--faint);text-transform:uppercase;letter-spacing:.06em}
.metric b{display:block;font-size:22px;font-weight:600;letter-spacing:-.02em;margin-top:2px}
.metric svg{margin-top:6px;width:100%;height:34px}
.trace{font-family:var(--mono);font-size:11.5px;color:var(--muted)}
.trace .bar{height:8px;border-radius:4px;background:var(--accent-soft);margin:5px 0 8px;position:relative;overflow:hidden}
.trace .bar i{position:absolute;top:0;bottom:0;border-radius:4px;background:var(--accent)}
@media (max-width:1000px){.win-body{grid-template-columns:1fr}.side,.panel{display:none}}
@media (max-width:640px){.flow{grid-template-columns:repeat(3,1fr)}.flow .node:nth-child(n+5){display:none}.flow::before,.flow .beam{display:none}.runs .r{grid-template-columns:1fr 1fr}.runs .r>*:nth-child(2),.runs .r>*:nth-child(4){display:none}}

/* ---------- marquee ---------- */
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:26px 0;margin-top:8px;background:#fff}
.marquee-track{display:flex;width:max-content;animation:scroll 42s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee ul{display:flex;list-style:none;margin:0;padding:0}
.marquee li{font-size:clamp(22px,2.6vw,32px);font-weight:500;letter-spacing:-.02em;white-space:nowrap;padding-right:48px;color:var(--ink)}
.marquee li span{color:var(--accent);margin-right:14px;font-weight:400}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ---------- sections ---------- */
section{scroll-margin-top:84px}
.section{padding:128px 0}
.section.tight{padding:96px 0}
.section.soft{background:var(--soft)}
@media (max-width:760px){.section{padding:84px 0}.section.tight{padding:64px 0}}
.head{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:end;margin-bottom:64px}
.head p{color:var(--muted);max-width:520px;font-size:18px}
@media (max-width:900px){.head{grid-template-columns:1fr;gap:18px;margin-bottom:44px}}

/* statement */
.statement{display:grid;grid-template-columns:260px 1fr;gap:48px}
.statement p.big{font-size:clamp(26px,3.3vw,42px);line-height:1.18;letter-spacing:-.03em;font-weight:500}
.statement p.big .soft-text{color:var(--faint)}
.statement .facts{margin-top:48px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.fact{border-top:1px solid var(--line);padding-top:18px}
.fact b{display:block;font-size:20px;font-weight:600;letter-spacing:-.02em;margin-bottom:4px}
.fact span{color:var(--muted);font-size:15.5px}
@media (max-width:900px){.statement{grid-template-columns:1fr;gap:8px}.statement .facts{grid-template-columns:1fr}}

/* services bento */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.svc{grid-column:span 2;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s,border-color .25s;position:relative;overflow:hidden}
.svc:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-2)}
.svc.wide{grid-column:span 3}
.svc .ic{width:48px;height:48px;border-radius:14px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin-bottom:28px}
.svc .ic svg{width:24px;height:24px}
.svc h3{margin-bottom:10px}
.svc p{color:var(--muted);font-size:15.5px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:22px}
.chip{font-family:var(--mono);font-size:11.5px;color:var(--muted);background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:4px 10px}
.svc.dark{background:var(--ink);border-color:var(--ink);color:#fff}
.svc.dark h3{color:#fff}.svc.dark p{color:#AEB4C2}
.svc.dark .ic{background:rgba(255,255,255,.08);color:#9DB2FF}
.svc.dark .chip{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12);color:#C7CCD8}
.svc .mini{margin-top:auto;padding-top:26px}
@media (max-width:1000px){.bento{grid-template-columns:repeat(2,1fr)}.svc,.svc.wide{grid-column:span 1}.svc.full-m{grid-column:span 2}}
@media (max-width:640px){.bento{grid-template-columns:1fr}.svc,.svc.wide,.svc.full-m{grid-column:auto}}

/* work */
.cases{display:grid;gap:24px}
.case{display:grid;grid-template-columns:1fr 1.05fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:28px;overflow:hidden}
.case-text{padding:48px;display:flex;flex-direction:column}
.case-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.case-meta span{font-family:var(--mono);font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:4px 12px}
.case-meta span.k{color:var(--accent-ink);background:var(--accent-soft);border-color:transparent}
.case h3{font-size:clamp(26px,2.8vw,36px);letter-spacing:-.03em;line-height:1.1;margin-bottom:18px}
.case-text > p{color:var(--muted);margin-bottom:28px}
.case-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:auto;padding-top:26px;border-top:1px solid var(--line)}
.case-facts b{display:block;font-size:19px;font-weight:600;letter-spacing:-.02em;line-height:1.2}
.case-facts span{display:block;font-size:13.5px;color:var(--muted);margin-top:4px}
.case-visual{background:linear-gradient(145deg,#EEF2FF,#F7F8FC 55%,#EAF6F1);display:grid;place-items:center;padding:36px;border-left:1px solid var(--line);min-height:420px}
.case-visual.b{background:linear-gradient(145deg,#F2F0FF,#F7F8FC 55%,#EAF0FF)}
.case-visual svg{width:100%;height:auto;max-width:520px;font-family:var(--sans)}
@media (max-width:980px){.case{grid-template-columns:1fr}.case-visual{border-left:0;border-top:1px solid var(--line);min-height:0;order:-1}.case-text{padding:32px}}
@media (max-width:560px){.case-facts{grid-template-columns:1fr}.case-text{padding:26px}.case-visual{padding:20px}}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;position:relative}
.step .n{display:flex;align-items:center;justify-content:space-between;margin-bottom:56px}
.step .n b{width:40px;height:40px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-family:var(--mono);font-size:13px;font-weight:500}
.step .n span{font-family:var(--mono);font-size:12px;color:var(--faint);letter-spacing:.06em;text-transform:uppercase}
.step h3{margin-bottom:10px}
.step p{color:var(--muted);font-size:15.5px}
.step ul{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:6px}
.step li{font-size:14px;color:var(--ink-2);display:flex;gap:8px;align-items:flex-start}
.step li::before{content:"";flex:none;width:14px;height:14px;margin-top:4px;border-radius:50%;background:var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath d='M4 7.2l2 2 4-4.2' fill='none' stroke='%232F5CFF' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}
@media (max-width:1000px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.steps{grid-template-columns:1fr}.step .n{margin-bottom:28px}}

/* engagement */
.models{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.model{border:1px solid var(--line);border-radius:var(--radius);padding:32px;background:#fff;display:flex;flex-direction:column}
.model.hl{background:var(--ink);border-color:var(--ink);color:#fff}
.model.hl h3{color:#fff}.model.hl p,.model.hl li{color:#B7BDCA}
.model .tag{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.model.hl .tag{color:#9DB2FF}
.model h3{font-size:24px;margin-bottom:10px}
.model p{color:var(--muted);font-size:15.5px}
.model ul{list-style:none;margin:22px 0 0;padding:22px 0 0;border-top:1px solid var(--line);display:grid;gap:10px}
.model.hl ul{border-color:rgba(255,255,255,.12)}
.model li{font-size:14.5px;color:var(--ink-2);padding-left:22px;position:relative}
.model li::before{content:"→";position:absolute;left:0;color:var(--accent)}
.model.hl li::before{color:#9DB2FF}
@media (max-width:900px){.models{grid-template-columns:1fr}}

/* stack */
.stack{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.stack-g{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px}
.stack-g h3{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);margin-bottom:14px}
.stack-g ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.stack-g li{font-size:14.5px;padding:7px 13px;border-radius:10px;background:var(--soft);border:1px solid var(--line)}
@media (max-width:900px){.stack{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.stack{grid-template-columns:1fr}}

/* faq */
.faq{display:grid;grid-template-columns:1fr 1.4fr;gap:64px}
.faq details{border-bottom:1px solid var(--line);padding:6px 0}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;font-size:18.5px;font-weight:550;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:30px;height:30px;border-radius:50%;background:var(--soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath d='M15 10v10M10 15h10' stroke='%230B1020' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E") center/30px no-repeat;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);padding:0 48px 22px 0}
@media (max-width:900px){.faq{grid-template-columns:1fr;gap:24px}}

/* cta */
.cta{padding:32px 0 120px}
.cta-box{position:relative;overflow:hidden;border-radius:32px;background:var(--ink);color:#fff;padding:clamp(40px,7vw,96px)}
.cta-box::before{content:"";position:absolute;inset:0;background:
  radial-gradient(520px 320px at 85% 10%,rgba(47,92,255,.45),transparent 70%),
  linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px) 0 0/56px 56px,
  linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px) 0 0/56px 56px;pointer-events:none}
.cta-grid{position:relative;display:grid;grid-template-columns:1.4fr .8fr;gap:56px;align-items:end}
.cta h2{color:#fff;font-size:clamp(36px,5.4vw,68px);margin-bottom:20px}
.cta h2 .dim{color:#7F879A}
.cta p{color:#B7BDCA;max-width:540px;margin-bottom:34px;font-size:18px}
.cta .row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.16)}
.cta .btn-ghost:hover{background:rgba(255,255,255,.14)}
.cta .copied{font-family:var(--mono);font-size:13px;color:#9DB2FF;min-width:70px}
.cta dl{margin:0;display:grid;gap:18px}
.cta dl div{border-top:1px solid rgba(255,255,255,.12);padding-top:14px}
.cta dt{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:#7F879A}
.cta dd{margin:4px 0 0;color:#fff}
.cta dd a{color:#fff}
@media (max-width:900px){.cta-grid{grid-template-columns:1fr;gap:40px}}

/* footer */
.footer{border-top:1px solid var(--line);padding:64px 0 36px;font-size:15px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot-grid p{color:var(--muted);max-width:320px;margin-top:18px}
.footer h4{margin:0 0 14px;font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--faint)}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer a{color:var(--muted);text-decoration:none}
.footer a:hover{color:var(--ink)}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:56px;padding-top:24px;border-top:1px solid var(--line);color:var(--faint);font-size:14px}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}.foot-grid > div:first-child{grid-column:1/-1}}

/* reveal */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
.js .reveal.d1{transition-delay:.08s}.js .reveal.d2{transition-delay:.16s}.js .reveal.d3{transition-delay:.24s}

/* legal pages */
.legal{padding:72px 0 120px}
.legal .doc{max-width:780px}
.legal h1{font-size:clamp(38px,5vw,56px);margin-bottom:12px}
.legal .upd{font-family:var(--mono);font-size:13px;color:var(--faint);margin-bottom:44px}
.legal h2{font-size:22px;letter-spacing:-.015em;margin:44px 0 12px}
.legal p,.legal li{color:var(--muted);font-size:16.5px}
.legal p{margin:0 0 12px}
.legal ul{padding-left:20px;margin:0 0 12px}
.legal address{font-style:normal;color:var(--ink);line-height:1.75;margin-bottom:12px}
.legal a{color:var(--accent-ink)}
.ph{background:#FEF3C7;color:#78350F;padding:1px 6px;border-radius:5px;font-family:var(--mono);font-size:.9em}
.back{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--muted);text-decoration:none;margin-bottom:36px}
.back:hover{color:var(--ink)}

/* 404 */
.nf{min-height:70vh;display:grid;place-items:center;text-align:center;padding:80px 0}
.nf h1{font-size:clamp(64px,12vw,140px)}
.nf p{color:var(--muted);margin:16px 0 30px}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
}
[hidden]{display:none!important}
@media (max-width:640px){.win-bar .path{display:none}}

/* industries */
.sectors{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.sector{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .25s,box-shadow .25s}
.sector:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.sector .ic{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin-bottom:22px}
.sector .ic svg{width:22px;height:22px}
.sector h3{margin-bottom:6px;font-size:19px}
.sector p{color:var(--muted);font-size:15.5px}
@media (max-width:900px){.sectors{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.sectors{grid-template-columns:1fr}}
.faq details:first-child{border-top-color:var(--line-2)}

/* case variations */
.case-visual{position:relative}
.case-visual svg{border-radius:16px;box-shadow:0 20px 50px rgba(11,16,32,.10)}
.case.flip{grid-template-columns:1.05fr 1fr}
.case.flip .case-visual{order:-1;border-left:0;border-right:1px solid var(--line)}
.illus{position:absolute;top:14px;right:16px;font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);background:rgba(255,255,255,.7);border:1px solid var(--line);border-radius:999px;padding:3px 10px}
@media (max-width:980px){.case.flip{grid-template-columns:1fr}.case.flip .case-visual{border-right:0}}
@media (max-width:560px){.case-visual{padding-top:44px}.illus{top:12px;right:12px;font-size:9.5px}}


/* ============ DARK THEME OVERRIDES ============ */
.skip{color:var(--bg)}
.btn-dark{background:#fff;color:#070B18}
.btn-dark:hover{background:#fff;box-shadow:0 10px 30px rgba(255,255,255,.12)}
.btn-light{background:rgba(255,255,255,.06);color:var(--ink);border-color:var(--line-2)}
.btn-light:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.25)}
.header{background:rgba(7,11,24,.78)}
.burger{background:var(--card)}
@media (max-width:900px){.menu{background:var(--bg)}}
.pill{background:rgba(255,255,255,.04);box-shadow:none}
.hero::before{background:
  radial-gradient(700px 420px at 50% 0%,rgba(47,92,255,.28),transparent 70%),
  linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px) 0 0/56px 56px,
  linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px) 0 0/56px 56px;opacity:1}
/* hero window */
.window{background:var(--card);border-color:var(--line-2)}
.win-bar{background:var(--card-2)}
.win-bar .dots i{background:rgba(255,255,255,.18)}
.win-bar .path{background:rgba(255,255,255,.04)}
.side,.panel{background:#0B1124}
.side li.on{color:var(--accent-ink)}
.side li i{background:rgba(255,255,255,.2)}
.node{background:var(--card-2);box-shadow:none}
.node em{color:var(--accent-ink)}
.node.hl{border-color:rgba(47,92,255,.7);box-shadow:0 0 0 4px rgba(47,92,255,.15)}
.flow::before{background:repeating-linear-gradient(90deg,rgba(255,255,255,.18) 0 6px,transparent 6px 12px)}
.runs .r:first-child{background:var(--card-2)}
.tag-s.ok{background:rgba(52,211,153,.14);color:#6EE7B7}
.tag-s.retry{background:rgba(251,191,36,.14);color:#FCD34D}
.tag-s.review{background:var(--accent-soft);color:var(--accent-ink)}
.metric{background:var(--card-2)}
.metric svg rect:first-child{fill:rgba(255,255,255,.08)}
.pulse{animation-name:pulse-d}
@keyframes pulse-d{0%{box-shadow:0 0 0 0 rgba(52,211,153,.5)}70%{box-shadow:0 0 0 8px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}
/* sections & cards */
.marquee{background:var(--bg)}
.marquee li span{color:var(--accent-ink)}
.svc,.step,.model,.stack-g,.sector,.case{background:var(--card)}
.svc:hover,.sector:hover{border-color:rgba(47,92,255,.45);box-shadow:0 0 0 1px rgba(47,92,255,.15),0 20px 50px rgba(0,0,0,.4)}
.svc .ic,.sector .ic{color:var(--accent-ink)}
.chip{background:rgba(255,255,255,.04)}
.svc.dark,.model.hl{background:radial-gradient(420px 260px at 90% 0%,rgba(47,92,255,.35),transparent 70%),#0E1636;border-color:rgba(47,92,255,.4)}
.svc.dark p,.model.hl p,.model.hl li{color:#B9C0D2}
.stack-g li{background:rgba(255,255,255,.04)}
.step .n b{background:var(--accent);color:#fff}
.case-meta span.k{color:var(--accent-ink)}
.case-visual{background:radial-gradient(500px 340px at 30% 20%,rgba(47,92,255,.22),transparent 70%),#0A1124;border-left-color:var(--line)}
.case-visual.b{background:radial-gradient(500px 340px at 70% 20%,rgba(99,102,241,.22),transparent 70%),#0A1124}
.case.flip .case-visual{border-right-color:var(--line)}
.case-visual svg{box-shadow:0 30px 70px rgba(0,0,0,.55)}
.illus{background:rgba(7,11,24,.6);color:var(--muted)}
.faq summary::after{background-color:rgba(255,255,255,.06);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath d='M15 10v10M10 15h10' stroke='%23F2F4F8' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E")}
.step li::before{background-color:var(--accent-soft)}
.cta-box{background:#0B1226;border:1px solid var(--line-2)}
.cta-box::before{background:
  radial-gradient(620px 380px at 85% 10%,rgba(47,92,255,.5),transparent 70%),
  linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px) 0 0/56px 56px,
  linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px) 0 0/56px 56px}
.legal a,.link{color:var(--accent-ink)}
.label::before{background:var(--accent-ink)}
::selection{background:rgba(47,92,255,.45)}

/* hero photo */
.hero-photo{position:absolute;left:0;right:0;top:0;height:940px;z-index:0;
  background:url("../img/hero-team.jpg") center 30%/cover no-repeat;
  background-image:image-set(url("../img/hero-team.webp") type("image/webp"),url("../img/hero-team.jpg") type("image/jpeg"))}
.hero-photo::after{content:"";position:absolute;inset:0;background:
  radial-gradient(800px 460px at 50% 10%,rgba(47,92,255,.30),transparent 70%),
  linear-gradient(180deg,rgba(7,11,24,.83) 0%,rgba(7,11,24,.87) 40%,rgba(7,11,24,.95) 70%,#070B18 100%)}
.hero h1 .dim{color:#8B94AD}
.hero::before{z-index:1;opacity:.55}
.hero .wrap{z-index:2}
@media (max-width:700px){.hero-photo{height:760px;background-image:url("../img/hero-team-m.webp");background-position:center}}

/* more projects */
.more{margin-top:40px;border:1px solid var(--line);border-radius:28px;background:var(--card);padding:36px 40px}
.more-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:12px}
.more-head h3{font-size:24px}
.stats{display:flex;gap:10px;flex-wrap:wrap}
.stats span{font-size:14px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:6px 14px;background:rgba(255,255,255,.03)}
.stats b{color:var(--ink);font-weight:600;margin-right:4px}
.proj-list{list-style:none;margin:0;padding:0}
.proj{display:grid;grid-template-columns:130px 1fr auto;gap:24px;align-items:center;padding:20px 0;border-top:1px solid var(--line)}
.proj-sec{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-ink)}
.proj-main b{display:block;font-size:17.5px;font-weight:600;letter-spacing:-.01em}
.proj-main span{display:block;color:var(--muted);font-size:15px;margin-top:2px}
.proj-tags{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.more-all summary{cursor:pointer;color:var(--accent-ink);font-weight:550;padding:16px 0 0;list-style:none}
.more-all summary::-webkit-details-marker{display:none}
@media (max-width:760px){.more{padding:26px 22px}.proj{grid-template-columns:1fr;gap:6px}.proj-tags{justify-content:flex-start;margin-top:6px}}

/* ---------- AI chat widget ---------- */
.chat{position:fixed;right:24px;bottom:24px;z-index:250;font-size:15px}
.chat-fab{display:flex;align-items:center;gap:10px;height:54px;padding:0 20px 0 8px;border-radius:999px;border:0;background:#fff;color:#070B18;font-weight:600;font-size:15px;cursor:pointer;box-shadow:0 12px 36px rgba(0,0,0,.45),0 0 0 6px rgba(47,92,255,.18);transition:transform .2s,box-shadow .2s}
.chat-fab:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(0,0,0,.5),0 0 0 8px rgba(47,92,255,.25)}
.chat-fab svg{width:38px;height:38px}
.chat.open .chat-fab{display:none}
.chat-panel{position:absolute;right:0;bottom:0;width:390px;height:min(600px,calc(100vh - 48px));display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line-2);border-radius:22px;box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 0 1px rgba(47,92,255,.12);overflow:hidden}
.chat-panel[hidden]{display:none!important}
.chat-head{display:flex;align-items:center;justify-content:space-between;padding:14px 14px 14px 16px;border-bottom:1px solid var(--line);background:radial-gradient(300px 120px at 90% 0%,rgba(47,92,255,.35),transparent 70%),var(--card-2)}
.chat-id{display:flex;align-items:center;gap:12px}
.chat-id svg{width:38px;height:38px;border-radius:10px;box-shadow:0 0 0 1px var(--line-2)}
.chat-id b{display:block;font-weight:600;color:var(--ink)}
.chat-id span{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--muted)}
.chat-id span i{width:7px;height:7px;border-radius:50%;background:var(--ok)}
.chat-x{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;display:grid;place-items:center}
.chat-x svg{width:18px;height:18px}
.chat-x:hover{background:rgba(255,255,255,.08)}
.chat-log{flex:1;overflow-y:auto;padding:18px 16px;display:flex;flex-direction:column;gap:10px;overscroll-behavior:contain}
.msg{max-width:86%;padding:10px 14px;border-radius:16px;line-height:1.5;white-space:pre-wrap;word-wrap:break-word}
.msg.bot{align-self:flex-start;background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--ink-2);border-bottom-left-radius:6px}
.msg.me{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:6px}
.msg a{color:var(--accent-ink)}
.msg.me a{color:#fff}
.typing{display:flex;gap:5px;padding:14px 16px}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
.chat-sugg{display:flex;flex-wrap:wrap;gap:8px;padding:0 16px 12px}
.chat-sugg button{font:inherit;font-size:13px;color:var(--accent-ink);background:var(--accent-soft);border:1px solid rgba(47,92,255,.3);border-radius:999px;padding:6px 12px;cursor:pointer}
.chat-sugg button:hover{background:rgba(47,92,255,.25)}
.chat-form{display:flex;align-items:flex-end;gap:8px;margin:0 12px;padding:6px 6px 6px 14px;border:1px solid var(--line-2);border-radius:18px;background:rgba(255,255,255,.04)}
.chat-form:focus-within{border-color:rgba(47,92,255,.6)}
.chat-form textarea{flex:1;resize:none;border:0;background:transparent;color:var(--ink);font:inherit;font-size:15px;line-height:1.45;padding:8px 0;max-height:120px;outline:none}
.chat-form textarea::placeholder{color:var(--faint)}
.chat-form button{flex:none;width:38px;height:38px;border-radius:50%;border:0;background:var(--accent);color:#fff;cursor:pointer;display:grid;place-items:center}
.chat-form button svg{width:18px;height:18px}
.chat-form button:disabled{opacity:.5;cursor:default}
.chat-note{margin:8px 16px 12px;font-size:11.5px;line-height:1.45;color:var(--faint)}
.chat-note a{color:var(--muted)}
@media (max-width:560px){
  .chat{right:14px;bottom:14px}
  .chat-fab span{display:none}
  .chat-fab{padding:0 8px;width:58px;height:58px;justify-content:center}
  .chat.open{left:0;right:0;bottom:0}
  .chat-panel{position:fixed;left:8px;right:8px;bottom:8px;width:auto;height:calc(100dvh - 16px);border-radius:20px}
}
@media print{.chat{display:none}}