/* yjt labs — shared styles */
:root{
  color-scheme: dark;
  --ink:#111110;
  --ink-2:#161614;
  --ink-3:#1E1D1A;
  --line:#2A2925;
  --line-2:#3A3832;
  --paper:#EDE8DF;
  --paper-2:#E4DED3;
  --paper-line:#CFC8BB;
  --text:#EDE8DF;
  --muted:#B8B3AA;
  --dim:#8C877F;
  --on-paper:#111110;
  --on-paper-muted:#55514A;
  --lime:#D4F53C;
  --amber:#FFB547;
  --serif:'Instrument Serif', Georgia, 'Times New Roman', serif;
  --sans:Inter, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono:'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --wrap:1280px;
  --gut:clamp(20px,4vw,48px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px}
.paper :focus-visible{outline-color:var(--on-paper)}
.skip{position:absolute;left:-9999px;top:12px;background:var(--lime);color:var(--ink);padding:10px 16px;border-radius:6px;z-index:100}
.skip:focus{left:12px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.lime{color:var(--lime)}
.paper{background:var(--paper);color:var(--on-paper)}

/* ---------- nav ---------- */
.nav{position:fixed;top:12px;left:max(var(--gut),calc((100vw - var(--wrap))/2 + var(--gut)));right:max(var(--gut),calc((100vw - var(--wrap))/2 + var(--gut)));z-index:20;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:8px 14px;background:rgba(17,17,16,.28);border:0;border-radius:12px;transition:background .2s,box-shadow .2s,backdrop-filter .2s}
.nav.is-scrolled{background:rgba(17,17,16,.62);box-shadow:0 8px 24px rgba(0,0,0,.12);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
header > .wrap{padding-top:76px}
.logo{font-family:var(--mono);font-size:20px;font-weight:500;letter-spacing:-.02em}
.logo .l{color:#9A968E;font-weight:400}
.cur{display:inline-block;width:.55em;height:1em;margin:0 .06em;background:var(--lime);vertical-align:-.14em}
.nav ul{display:flex;flex-wrap:wrap;align-items:center;gap:28px;margin:0;padding:0;list-style:none;font-family:var(--mono);font-size:13px}
.nav ul a{color:var(--muted);transition:color .2s}
.nav ul a:hover{color:var(--text)}
.nav ul a.nav-cta{font-family:var(--sans);font-size:14px;font-weight:500;border:1px solid var(--line-2);border-radius:999px;padding:12px 20px;color:var(--text);transition:background .2s,color .2s}
.nav ul a.nav-cta:hover{background:var(--lime);color:var(--ink)}
.nav-toggle{display:none;background:transparent;border:0;color:var(--text);font:500 12px/1 var(--mono);letter-spacing:.04em;cursor:pointer}
@media (max-width:640px){header > .wrap{padding-top:76px}.nav{top:8px;padding:10px 14px;border-radius:10px}.nav-toggle{display:block}.nav ul{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;gap:0;padding-top:8px;border-top:1px solid rgba(237,232,222,.12)}.nav.is-open ul{display:flex}.nav ul li a{display:block;padding:10px 0}.nav ul a.nav-cta{display:inline-flex;justify-content:center;margin-top:4px;padding:10px 16px}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;min-height:52px;padding:0 26px;border-radius:8px;font-family:var(--sans);font-weight:600;font-size:16px;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s,border-color .2s}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(212,245,60,.22)}
.btn-lime .arr{display:inline-block;transition:transform .2s}
.btn-lime:hover .arr{transform:translateX(4px)}
.btn-ghost{border-color:var(--line-2);color:var(--text);font-weight:500}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime)}

/* ---------- hero text ---------- */
.kicker{margin:0 0 28px;font-family:var(--mono);font-size:13px;color:#B8B3AA}
.paper .kicker{color:var(--on-paper-muted)}
.hero-sub{margin:0;max-width:600px;font-size:18px;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- home hero ---------- */
.home-hero{padding:clamp(36px,5vw,72px) 0 clamp(48px,5vw,72px)}
.home-hero h1{margin:0;font-family:var(--serif);font-weight:400;font-size:clamp(48px,7vw,112px);line-height:.95;letter-spacing:-.025em}
.home-hero h1 span{display:block}
.home-hero h1 em{color:var(--lime)}
.home-hero h1 .cur{width:.2em;height:.6em;margin:0 0 0 .14em;vertical-align:baseline}
.hero-foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;margin-top:clamp(28px,3vw,40px);padding-top:24px;border-top:1px solid var(--line)}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.rise{opacity:0;animation:rise .9s cubic-bezier(.2,.7,.2,1) forwards}
.d1{animation-delay:.1s}.d2{animation-delay:.35s}.d3{animation-delay:.55s}.d4{animation-delay:.7s}

/* ---------- section heads ---------- */
.block{padding:112px 0}
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:56px}
.sec-head h2{margin:0;max-width:16ch;font-family:var(--serif);font-weight:400;font-size:clamp(44px,5vw,72px);line-height:1;letter-spacing:-.02em}
.sec-head p{margin:0;max-width:380px;color:var(--muted);font-size:17px}
.paper .sec-head p{color:var(--on-paper-muted)}

/* ---------- pipeline strip ---------- */
.pipe{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--ink-2)}
.pipe a{position:relative;display:flex;flex-direction:column;gap:10px;padding:28px 28px 30px;border-right:1px solid var(--line);color:var(--text);transition:background .25s}
.pipe a:last-child{border-right:0}
.pipe a:hover{background:var(--ink-3)}
.pipe .n{font-family:var(--mono);font-size:13px;color:var(--lime)}
.pipe .t{font-family:var(--serif);font-size:34px;line-height:1.05}
.pipe .d{font-size:14.5px;color:var(--muted)}
.pipe .go{margin-top:auto;padding-top:12px;font-family:var(--mono);font-size:12px;color:var(--dim);transition:color .2s}
.pipe a:hover .go{color:var(--lime)}
.pipe a:not(:last-child)::after{content:"";position:absolute;right:-9px;top:34px;width:16px;height:16px;background:var(--ink-2);border-top:1px solid var(--line);border-right:1px solid var(--line);transform:rotate(45deg);z-index:2}
.pipe a:not(:last-child):hover::after{background:var(--ink-3)}
@media (max-width:820px){
  .pipe{grid-template-columns:minmax(0,1fr)}
  .pipe a{border-right:0;border-bottom:1px solid var(--line)}
  .pipe a:last-child{border-bottom:0}
  .pipe a:not(:last-child)::after{display:none}
}

/* ---------- service detail ---------- */
.svc{padding:80px 0}
.svc-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:72px;align-items:start}
.svc-head{position:sticky;top:96px}
.svc-num{display:inline-block;font-family:var(--mono);font-size:13px;padding:4px 10px;border-radius:4px;background:var(--lime);color:var(--ink)}
.paper .svc-num{background:var(--ink);color:var(--lime)}
.svc-head h2{margin:24px 0 0;font-family:var(--serif);font-weight:400;font-size:clamp(48px,5.4vw,80px);line-height:1;letter-spacing:-.02em}
.svc-tag{margin:14px 0 0;font-family:var(--serif);font-style:italic;font-size:26px;line-height:1.25;color:var(--muted)}
.paper .svc-tag{color:var(--on-paper-muted)}
.svc-lead{margin:0;font-size:19px;line-height:1.65;max-width:62ch}
.svc-get{margin-top:28px}
.label{margin:0 0 16px;font-family:var(--mono);font-size:13px;font-weight:400;color:var(--dim)}
.paper .label{color:var(--on-paper-muted)}
.list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:12px}
.list li{display:flex;gap:14px;font-size:15.5px;line-height:1.5}
.list li::before{content:"";flex:none;width:8px;height:8px;margin-top:7px;background:var(--lime)}
.paper .list li::before{background:var(--ink)}
.steps{margin:0;padding:0;list-style:none;counter-reset:s;display:flex;flex-direction:column;gap:14px}
.steps li{counter-increment:s;display:flex;gap:14px;font-size:15.5px;line-height:1.5}
.steps li::before{content:counter(s,decimal-leading-zero);flex:none;font-family:var(--mono);font-size:12px;padding-top:3px;color:var(--lime)}
.paper .steps li::before{color:var(--on-paper-muted)}
.fit{margin-top:32px;padding:20px 22px;border:1px dashed var(--line-2);border-radius:10px}
.paper .fit{border-color:var(--paper-line)}
.fit p{margin:0;font-size:15.5px}
.fit strong{font-weight:600}
.svc-link{display:inline-flex;align-items:center;gap:10px;margin-top:28px;font-weight:600;border-bottom:1px solid currentColor;padding-bottom:3px;transition:color .2s,gap .2s}
.svc-link:hover{color:var(--lime);gap:14px}
.paper .svc-link:hover{color:var(--on-paper-muted)}
@media (max-width:900px){
  .svc{padding:80px 0}
  .svc-grid{grid-template-columns:minmax(0,1fr);gap:40px}
  .svc-head{position:static}
}

/* ---------- tiles ---------- */
.tile{margin-top:32px;background:var(--ink-2);border:1px solid var(--line);border-radius:12px;padding:24px;color:var(--muted);font-family:var(--mono);font-size:12.5px}
.paper .tile{border-color:transparent}
.tile-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line-2);border-radius:4px;padding:4px 10px}
.chip.on{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.flow{margin:16px 0;color:var(--lime)}
.mini-table{border:1px solid var(--line-2);border-radius:6px;overflow:hidden}
.mini-table div{display:grid;grid-template-columns:110px minmax(0,1fr) 90px;gap:12px;padding:8px 12px;border-top:1px solid var(--line)}
.mini-table div:first-child{border-top:0;background:var(--ink-3);color:var(--text)}
.mini-table div span:first-child{color:var(--lime)}
.mini-table div:first-child span:first-child{color:var(--text)}
.mini-table div span:last-child{text-align:right;color:var(--text)}
.mini-table div span.st{color:var(--dim)}
.mini-table div span.st.ok{color:var(--lime)}
.mini-table div span.st.wait,.mini-table div span.st.flag{color:var(--amber)}
.raw{margin:16px 0 0;padding:12px 14px;background:var(--ink);border:1px solid var(--line);border-radius:6px;color:var(--dim);font:inherit;font-size:11px;line-height:1.7;white-space:pre;overflow-x:auto}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
/* interactive dashboard tile (dashboard-tile.js) */
.psel{position:relative;display:inline-block}
.psel::after{content:"▾";position:absolute;right:11px;top:50%;transform:translateY(-50%);pointer-events:none;color:var(--dim);font-size:11px}
.psel select{appearance:none;-webkit-appearance:none;font:inherit;color:var(--muted);background:transparent;border:1px solid var(--line-2);border-radius:999px;padding:3px 28px 3px 12px;cursor:pointer;transition:border-color .2s,color .2s}
.psel select:hover{border-color:var(--lime);color:var(--text)}
.psel select:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.psel select option{background:#161614;color:#EDE8DF}
.d-title{margin:20px 0 0;font-size:11px;letter-spacing:.06em;color:var(--dim)}
.dbars{position:relative;display:flex;gap:10px;height:190px;margin-top:12px}
.dbars::after{content:"";position:absolute;left:0;right:0;bottom:20px;height:1px;background:var(--line-2)}
.dbar{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:flex-end;padding:0;border:0;background:none;color:inherit;font:inherit;cursor:pointer}
.dbar:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.dv{height:18px;line-height:18px;text-align:center;font-size:11px;color:var(--text);opacity:0;transition:opacity .15s}
.db{height:calc((100% - 38px) * var(--h,0));background:#4A4841;border-radius:3px 3px 0 0;transition:height .5s cubic-bezier(.2,.7,.2,1),background .2s}
.dl{height:20px;line-height:20px;text-align:center;font-size:11px;color:var(--dim)}
.dbar:hover .db{background:#6E6A60}
.dbar:hover .dv,.dbar:focus-visible .dv{opacity:1}
.dbar.on .db{background:var(--lime)}
.dbar.on .dv{opacity:1;color:var(--lime)}
.dbar.on .dl{color:var(--lime)}
/* agent tile (agent-tile.js) */
.log [hidden]{display:none!important}
.log-head{display:flex;justify-content:space-between;align-items:center;gap:12px;color:var(--dim)}
.log-state{font-size:11px;line-height:1;padding:5px 9px;border:1px solid var(--line-2);border-radius:999px;color:var(--amber);transition:color .2s}
.log-state.ok{color:var(--lime)}
.log-steps{list-style:none;margin:10px 0 0;padding:0}
.log-steps li{display:grid;grid-template-columns:18px minmax(0,1fr) auto;gap:8px;line-height:2.1;transition:opacity .3s,transform .3s}
.log-steps li.off{opacity:0;transform:translateY(4px)}
.log-steps .ic{color:var(--lime)}
.log-steps li.now{color:var(--text)}
.log-steps li.now .ic,.log-steps li.run .ic{color:var(--amber)}
.log-steps .mt{color:var(--dim)}
.log-steps .cur{width:.5em;height:.95em;margin-left:8px;vertical-align:-.12em}
.log .acts{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tile button.chip{font:inherit;color:inherit;background:transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.tile button.chip:hover{border-color:var(--lime)}
.tile button.chip.on{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.tile button.chip[aria-expanded="true"]{border-color:var(--lime);color:var(--lime)}
.tile button.chip:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.draft{margin-top:12px;padding:12px 14px;border:1px dashed var(--line-2);border-radius:8px;color:var(--muted);line-height:1.8}
.draft b{color:var(--text);font-weight:500}

/* ---------- process ---------- */
.proc{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:0;padding:0;border-top:1px solid var(--line-2)}
.proc li{list-style:none;padding:28px 28px 8px 0;position:relative}
.proc li::before{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;background:var(--lime);border-radius:50%}
.proc .k{font-family:var(--mono);font-size:12px;color:var(--dim)}
.proc h3{margin:10px 0;font-family:var(--serif);font-weight:400;font-size:30px;line-height:1.1}
.proc p{margin:0;font-size:15px;color:var(--muted);max-width:30ch}
@media (max-width:900px){.proc{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:24px}}
@media (max-width:560px){.proc{grid-template-columns:minmax(0,1fr)}}

/* ---------- facts row ---------- */
.facts{margin:32px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 24px}
.facts div{border-top:1px solid var(--line-2);padding-top:12px}
.paper .facts div{border-top-color:var(--paper-line)}
.facts dt{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--dim)}
.paper .facts dt{color:var(--on-paper-muted)}
.facts dd{margin:4px 0 0;font-size:15.5px;font-weight:600}

/* ---------- about ---------- */
.about-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:72px;align-items:start}
.about-lead{margin:0;font-family:var(--serif);font-size:clamp(28px,3vw,40px);line-height:1.2}
.about-lead em{color:var(--lime)}
.about-body{margin:0;font-size:17px;line-height:1.7;color:var(--muted);max-width:52ch}
.about-facts{grid-template-columns:repeat(3,minmax(0,1fr))}
.about-close{display:block;margin-top:20px;font-family:var(--sans);font-size:17px;line-height:1.6;color:var(--muted)}
@media (max-width:900px){.about-row{grid-template-columns:minmax(0,1fr);gap:32px}}
@media (max-width:480px){.about-facts{grid-template-columns:minmax(0,1fr)}}

/* ---------- faq ---------- */
.faq details{border-top:1px solid var(--paper-line)}
.faq details:last-child{border-bottom:1px solid var(--paper-line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:26px 4px;font-family:var(--serif);font-size:clamp(24px,2.6vw,32px);line-height:1.2}
.faq summary::-webkit-details-marker{display:none}
.faq .pm{flex:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--on-paper);display:grid;place-items:center;font-family:var(--mono);font-size:18px;transition:transform .25s,background .25s,color .25s}
.faq details[open] .pm{transform:rotate(45deg);background:var(--ink);color:var(--lime)}
.faq summary:hover .pm{background:var(--ink);color:var(--lime)}
.faq .ans{padding:0 4px 28px;max-width:70ch;font-size:16.5px;color:#3E3B36}
.faq .ans p{margin:0}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,4fr);gap:72px;align-items:start}
.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-family:var(--mono);font-size:13px;color:var(--muted);padding:0}
.field input,.field textarea{font:inherit;color:var(--text);background:var(--ink-2);border:1px solid var(--line-2);border-radius:8px;padding:14px 16px;min-height:52px;transition:border-color .2s}
.field textarea{min-height:160px;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--lime)}
.field input::placeholder,.field textarea::placeholder{color:#77736C}
.form-note{grid-column:1/-1;margin:0;font-size:13.5px;color:var(--dim)}
.form-note a{color:var(--muted);border-bottom:1px solid var(--line-2)}
.form-note a:hover{color:var(--lime);border-color:var(--lime)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{grid-column:1/-1;margin:0;font-family:var(--mono);font-size:13px;color:var(--lime);min-height:1.5em}
.side{display:flex;flex-direction:column;gap:28px}
.side .card{border:0;border-radius:14px;padding:28px;background:var(--ink-2)}
.side h2{margin:0 0 12px;font-family:var(--serif);font-weight:400;font-size:30px;line-height:1.1}
.side p{margin:0;color:var(--muted);font-size:15.5px}
.side .steps{margin-top:16px}
@media (max-width:900px){.contact-grid{grid-template-columns:minmax(0,1fr);gap:48px}}
@media (max-width:600px){.form{grid-template-columns:minmax(0,1fr)}}

/* ---------- simple pages: privacy, 404 ---------- */
.doc-head{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:28px;padding-bottom:28px}
.doc-head .back{font-family:var(--mono);font-size:13px;color:var(--muted);transition:color .2s}
.doc-head .back:hover{color:var(--lime)}
.doc{max-width:720px;padding-top:48px;padding-bottom:112px}
.doc h1{margin:0 0 12px;font-family:var(--serif);font-weight:400;font-size:clamp(44px,6vw,72px);line-height:1;letter-spacing:-.02em}
.doc h1 em{color:var(--lime)}
.doc .meta{margin:0 0 40px;font-family:var(--mono);font-size:13px;color:var(--dim)}
.doc h2{margin:40px 0 10px;font-family:var(--serif);font-weight:400;font-size:30px;line-height:1.15}
.doc p,.doc li{color:var(--muted);font-size:16.5px;line-height:1.7}
.doc p{margin:0 0 16px}
.doc ul{margin:0 0 16px;padding-left:20px}
.doc a{color:var(--text);border-bottom:1px solid var(--line-2);transition:color .2s,border-color .2s}
.doc a:hover{color:var(--lime);border-color:var(--lime)}
.doc.nf{min-height:60vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.doc.nf .code{margin:0 0 8px;font-family:var(--mono);font-size:14px;color:var(--lime)}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:28px 0}
.foot-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 32px}
.foot-row .logo{font-size:18px}
.foot-row ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 28px;font-family:var(--mono);font-size:13px}
.foot-row ul a{color:var(--muted);transition:color .2s}
.foot-row ul a:hover{color:var(--lime)}
.foot-end{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;font-family:var(--mono);font-size:12px;color:var(--dim)}
.foot-end a{transition:color .2s}
.foot-end a:hover{color:var(--lime)}
@media (max-width:700px){.foot-row{flex-direction:column;align-items:flex-start}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rise{animation:none;opacity:1}
  *{transition:none!important}
}

/* process on paper */
.paper .proc{border-top-color:var(--paper-line)}
.paper .proc li::before{background:var(--ink)}
.paper .proc .k{color:var(--on-paper-muted)}
.paper .proc p{color:#3E3B36}
html{scroll-padding-top:16px}