/* ==========================================================
   intu — shared stylesheet
   Palette: instrument black + two channel accents
   signal (orange) = intuService   route (teal) = Inturobotics
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans+Condensed:wght@600;700&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

:root{
  --void:#0B0E11;
  --slate:#141A20;
  --slate-2:#1B222A;
  --line:#232D36;
  --paper:#F4F6F7;
  --paper-2:#E8ECEE;
  --ink:#0B0E11;
  --dim:#7C8894;
  --dim-2:#9AA6B1;
  --signal:#FF5A1F;
  --route:#00C2A8;

  --display:'IBM Plex Sans Condensed',system-ui,sans-serif;
  --body:'IBM Plex Sans',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;

  --gut:clamp(1.25rem,4vw,4rem);
  --maxw:1240px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}
body{
  margin:0;background:var(--void);color:var(--paper);
  font-family:var(--body);font-size:17px;line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut)}

/* ---------- type ---------- */
.eyebrow{
  font-family:var(--mono);font-size:.7rem;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--dim);
  display:flex;align-items:center;gap:.7rem;margin:0 0 1.4rem;
}
.eyebrow::before{content:'';width:26px;height:1px;background:currentColor;flex:none}
.eyebrow.sig{color:var(--signal)}
.eyebrow.rte{color:var(--route)}

h1,h2,h3,h4{font-family:var(--display);font-weight:700;letter-spacing:-.015em;margin:0;line-height:1.04}
h1{font-size:clamp(2.6rem,7.2vw,5.4rem)}
h2{font-size:clamp(1.9rem,4.2vw,3.1rem);line-height:1.08}
h3{font-size:clamp(1.15rem,2vw,1.5rem);line-height:1.18}
h4{font-size:1.02rem;font-weight:600;line-height:1.3}
p{margin:0 0 1.1rem;max-width:62ch}
.lead{font-size:clamp(1.05rem,1.6vw,1.28rem);color:var(--dim-2);line-height:1.6}
.data{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:60;background:rgba(11,14,17,.86);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:.85rem var(--gut);
  display:flex;align-items:center;gap:1.6rem}
.brand{font-family:var(--display);font-weight:700;font-size:1.32rem;
  letter-spacing:-.02em;text-decoration:none;display:flex;align-items:center;gap:.5rem}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--signal);
  box-shadow:0 0 0 3px rgba(255,90,31,.16)}
.brand-dot.rte{background:var(--route);box-shadow:0 0 0 3px rgba(0,194,168,.16)}
.nav-links{margin-left:auto;display:flex;gap:1.5rem;align-items:center}
.nav-links a{
  font-family:var(--mono);font-size:.74rem;letter-spacing:.09em;text-transform:uppercase;
  color:var(--dim);text-decoration:none;transition:color .2s
}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--paper)}
.nav-links a.current{color:var(--paper)}
@media(max-width:760px){.nav-links{display:none}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;padding:.82rem 1.5rem;
  font-family:var(--mono);font-size:.76rem;font-weight:500;letter-spacing:.1em;
  text-transform:uppercase;text-decoration:none;border:1px solid var(--line);
  color:var(--paper);background:transparent;transition:.22s;border-radius:2px;cursor:pointer
}
.btn:hover,.btn:focus-visible{border-color:var(--paper);transform:translateY(-1px)}
.btn-sig{background:var(--signal);border-color:var(--signal);color:#12060A}
.btn-sig:hover,.btn-sig:focus-visible{background:#ff6f3c;border-color:#ff6f3c}
.btn-rte{background:var(--route);border-color:var(--route);color:#04211D}
.btn-rte:hover,.btn-rte:focus-visible{background:#1ad5bc;border-color:#1ad5bc}
.btn-row{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2.2rem}
:focus-visible{outline:2px solid var(--route);outline-offset:3px}

/* ---------- sections ---------- */
.sec{padding:clamp(3rem,6vw,5.5rem) 0;border-top:1px solid var(--line)}
.sec-light{background:var(--paper);color:var(--ink);border-top:none}
.sec-light .lead{color:#4A5560}
.sec-light .eyebrow{color:#6B7683}
.sec-light .eyebrow.sig{color:#D4400E}
.sec-light .eyebrow.rte{color:#00806F}
.sec-head{margin-bottom:2.1rem;max-width:56ch}

/* ---------- hero ---------- */
.hero{padding:clamp(2.25rem,5vw,4rem) 0 clamp(1.75rem,3.5vw,3rem);position:relative;overflow:hidden}
.hero h1{margin-bottom:1.6rem}
.hero .lead{max-width:52ch}
.accent-sig{color:var(--signal)}
.accent-rte{color:var(--route)}

/* ---------- SIGNATURE: the last-leg rail ---------- */
.rail{margin-top:clamp(2.8rem,6vw,4.5rem);border:1px solid var(--line);
  background:linear-gradient(180deg,var(--slate) 0%,rgba(20,26,32,.4) 100%);padding:1.6rem 1.4rem 1.2rem}
.rail-cap{display:flex;justify-content:space-between;align-items:baseline;
  font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--dim);margin-bottom:1.15rem;gap:1rem;flex-wrap:wrap}
.rail-track{position:relative;height:64px}
.rail-track + .rail-track{margin-top:.4rem}
.rail-svg{width:100%;height:64px;display:block;overflow:visible}
.rail-base{stroke:var(--line);stroke-width:1.5;fill:none}
.rail-live{stroke-width:2.5;fill:none;stroke-linecap:round;
  stroke-dasharray:var(--len,900);stroke-dashoffset:var(--len,900);
  animation:draw 3.4s cubic-bezier(.5,.1,.2,1) infinite}
.rail-live.sig{stroke:var(--signal)}
.rail-live.rte{stroke:var(--route);animation-delay:.85s}
@keyframes draw{
  0%{stroke-dashoffset:var(--len,900)}
  55%{stroke-dashoffset:0}
  85%{stroke-dashoffset:0;opacity:1}
  100%{stroke-dashoffset:0;opacity:0}
}
.node{fill:var(--void);stroke:var(--line);stroke-width:1.5}
.node-live.sig{fill:var(--signal)}
.node-live.rte{fill:var(--route)}
.rail-lbl{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;
  text-transform:uppercase;fill:var(--dim)}
.rail-tag{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;
  text-transform:uppercase;font-weight:600}
.rail-tag.sig{fill:var(--signal)}
.rail-tag.rte{fill:var(--route)}
.rail-note{font-family:var(--mono);font-size:.68rem;color:var(--dim);
  border-top:1px solid var(--line);padding-top:.9rem;margin-top:1rem;letter-spacing:.03em}

/* ---------- division split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  border:1px solid var(--line)}
@media(max-width:860px){.split{grid-template-columns:1fr}}
.div-card{background:var(--void);padding:clamp(1.8rem,3.5vw,2.9rem);
  display:flex;flex-direction:column;transition:background .3s;text-decoration:none;color:inherit}
.div-card:hover,.div-card:focus-visible{background:var(--slate)}
.div-tag{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:.55rem;margin-bottom:1.5rem}
.div-tag span{width:7px;height:7px;border-radius:50%;flex:none}
.div-card h3{margin-bottom:.55rem;font-size:clamp(1.5rem,2.6vw,2.05rem)}
.div-sub{font-family:var(--mono);font-size:.74rem;color:var(--dim);
  letter-spacing:.05em;margin-bottom:1.3rem}
.div-card p{color:var(--dim-2);font-size:.96rem;margin-bottom:1.6rem}
.div-specs{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:auto;padding-top:1.4rem;
  border-top:1px solid var(--line)}
.chip{font-family:var(--mono);font-size:.66rem;letter-spacing:.06em;color:var(--dim);
  border:1px solid var(--line);padding:.3rem .6rem;border-radius:2px}
.div-go{font-family:var(--mono);font-size:.72rem;letter-spacing:.11em;text-transform:uppercase;
  margin-top:1.5rem;display:flex;align-items:center;gap:.5rem}

/* ---------- grids ---------- */
.grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}}
.cell{background:var(--void);padding:clamp(1.3rem,2.6vw,1.9rem)}
.sec-light .grid{background:var(--paper-2);border-color:var(--paper-2)}
.sec-light .cell{background:var(--paper)}
.cell h4{margin-bottom:.5rem}
.cell p{font-size:.92rem;color:var(--dim-2);margin:0}
.sec-light .cell p{color:#5A6570}

/* stat cells */
.stat{font-family:var(--display);font-size:clamp(2.1rem,4.4vw,3rem);font-weight:700;
  line-height:1;letter-spacing:-.02em;margin-bottom:.6rem}
.stat.sig{color:var(--signal)}
.stat.rte{color:var(--route)}
.stat-lbl{font-size:.9rem;color:var(--dim-2);margin:0}
.sec-light .stat-lbl{color:#5A6570}
.src{font-family:var(--mono);font-size:.63rem;color:var(--dim);margin-top:.9rem;
  letter-spacing:.05em;display:block}

/* ---------- stack (layers) ---------- */
.stack{border:1px solid var(--line)}
.layer{display:grid;grid-template-columns:210px 1fr;gap:1.6rem;
  padding:1.5rem clamp(1.2rem,2.4vw,1.9rem);border-bottom:1px solid var(--line)}
.layer:last-child{border-bottom:none}
.layer.hl{background:var(--slate)}
.sec-light .layer.hl{background:var(--paper-2)}
@media(max-width:760px){.layer{grid-template-columns:1fr;gap:.5rem}}
.layer h4{font-family:var(--display);font-size:1.16rem}
.layer.hl h4{color:var(--signal)}
.layer-note{font-family:var(--mono);font-size:.63rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--dim);margin-top:.4rem}
.layer p{margin:0;font-size:.94rem;color:var(--dim-2)}
.sec-light .layer p{color:#5A6570}

/* ---------- sequence (numbered = real order) ---------- */
.seq{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line)}
@media(max-width:900px){.seq{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.seq{grid-template-columns:1fr}}
.step{background:var(--void);padding:clamp(1.3rem,2.6vw,1.8rem)}
.sec-light .step{background:var(--paper)}
.step-n{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;color:var(--route);
  margin-bottom:1rem;display:block}
.step-n.sig{color:var(--signal)}
.step h4{margin-bottom:.55rem}
.step p{font-size:.9rem;color:var(--dim-2);margin:0}
.sec-light .step p{color:#5A6570}

/* ---------- spec table ---------- */
.spec{border:1px solid var(--line);width:100%;border-collapse:collapse}
.spec th,.spec td{text-align:left;padding:.85rem 1.1rem;border-bottom:1px solid var(--line);
  font-size:.92rem}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:none}
.spec th{font-family:var(--mono);font-size:.71rem;letter-spacing:.09em;text-transform:uppercase;
  color:var(--dim);font-weight:500;width:44%}
.spec td{font-family:var(--body);color:var(--paper)}
.sec-light .spec{border-color:var(--paper-2)}
.sec-light .spec th,.sec-light .spec td{border-color:var(--paper-2)}
.sec-light .spec th{color:#6B7683}
.sec-light .spec td{color:var(--ink)}

/* ---------- KPI / target table ---------- */
.kpi{width:100%;border-collapse:collapse;border:1px solid var(--line)}
.kpi thead th{font-family:var(--mono);font-size:.68rem;letter-spacing:.11em;text-transform:uppercase;
  text-align:left;padding:.8rem 1.05rem;background:var(--slate);color:var(--dim);font-weight:500}
.kpi td{padding:.78rem 1.05rem;border-top:1px solid var(--line);font-size:.92rem}
.kpi td:last-child{font-family:var(--mono);font-weight:600;color:var(--route);white-space:nowrap}
.kpi.sigk td:last-child{color:var(--signal)}

/* ---------- callout ---------- */
.call{border:1px solid var(--line);border-left:3px solid var(--route);
  background:var(--slate);padding:1.5rem 1.7rem;margin-top:2.4rem}
.call.sig{border-left-color:var(--signal)}
.call h4{margin-bottom:.5rem;font-family:var(--display)}
.call p{margin:0;font-size:.94rem;color:var(--dim-2)}
.sec-light .call{background:var(--paper-2);border-color:var(--paper-2);border-left-color:var(--route)}
.sec-light .call.sig{border-left-color:var(--signal)}
.sec-light .call p{color:#5A6570}

/* ---------- pricing rows ---------- */
.price-row{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;
  padding:.95rem 0;border-bottom:1px solid var(--line)}
.price-row:last-child{border-bottom:none}
.price-row .k{font-size:.95rem}
.price-row .v{font-family:var(--mono);font-weight:600;color:var(--signal);white-space:nowrap}
.price-row .n{font-family:var(--mono);font-size:.68rem;color:var(--dim);display:block;margin-top:.15rem}

/* ---------- CTA ---------- */
.cta{padding:clamp(3rem,6vw,5.5rem) 0;border-top:1px solid var(--line);text-align:center}
.cta h2{margin-bottom:1.1rem}
.cta .lead{margin:0 auto 0;max-width:48ch}
.cta .btn-row{justify-content:center}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);padding:2.6rem 0;
  font-family:var(--mono);font-size:.72rem;color:var(--dim);letter-spacing:.04em}
.foot-in{display:flex;flex-wrap:wrap;gap:1.2rem;justify-content:space-between;align-items:center}
.foot a{color:var(--dim);text-decoration:none}
.foot a:hover,.foot a:focus-visible{color:var(--paper)}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(16px);transition:opacity .65s ease,transform .65s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}}