/* ============================================================
   MfgPlantIQ — public marketing site (2026). Vanilla CSS.
   Scope: landing/ only. Does not touch the app.
   ============================================================ */
:root{
  --brand:#2f6bff; --brand-ink:#1b4dd6; --brand-soft:#eaf1ff;
  --ink:#0a0e17; --ink-2:#1a2233; --muted:#5c6675; --muted-2:#8b95a5;
  --bg:#ffffff; --bg-soft:#f6f8fc; --line:#e9edf3; --line-2:#dfe5ee;
  --dark:#080b14; --dark-2:#0f1524; --on-dark:#e7ebf3; --on-dark-mute:#96a0b5;
  --ok:#12b76a; --warn:#f79009; --crit:#f04438; --info:#2f6bff;
  --radius:16px; --radius-lg:24px;
  --shadow:0 1px 2px rgba(10,14,23,.04),0 12px 32px -12px rgba(10,14,23,.14);
  --shadow-lg:0 40px 80px -24px rgba(10,14,23,.28);
  --maxw:1200px; --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.55;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--brand)}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);opacity:.6}
h1,h2,h3{letter-spacing:-.025em;line-height:1.05;font-weight:800}
h2{font-size:clamp(28px,4vw,44px)}
.lead{color:var(--muted);font-size:clamp(16px,1.5vw,19px);max-width:46ch}
.center{text-align:center;margin:0 auto}
.center .lead{margin-left:auto;margin-right:auto}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:9px;border:0;cursor:pointer;font-weight:650;
  font-size:15px;padding:13px 20px;border-radius:12px;transition:transform .18s ease,box-shadow .18s ease,background .18s;will-change:transform}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -6px rgba(47,107,255,.5)}
.btn-primary:hover{background:var(--brand-ink);transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(47,107,255,.55)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line-2)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-dark{background:#fff;color:var(--ink)}
.btn-arrow{transition:transform .2s}.btn:hover .btn-arrow{transform:translateX(3px)}

/* ---------- Nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;transition:background .3s,border-color .3s,backdrop-filter .3s,height .3s}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:72px;transition:height .3s}
.nav.scrolled{background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav.scrolled .nav-in{height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.02em}
.brand img{width:32px;height:32px;border-radius:9px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a.navlink{color:var(--muted);font-weight:550;font-size:15px;transition:color .2s}
.nav-links a.navlink:hover{color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-login{font-weight:600;font-size:15px;color:var(--ink)}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;margin:4px 0;transition:.25s}
@media(max-width:900px){
  .nav-links{position:fixed;inset:60px 0 auto 0;flex-direction:column;gap:6px;background:#fff;
    border-bottom:1px solid var(--line);padding:14px 24px 22px;transform:translateY(-140%);transition:transform .3s;box-shadow:var(--shadow)}
  .nav-open .nav-links{transform:translateY(0)}
  .nav-links a.navlink{width:100%;padding:10px 0;font-size:17px}
  .nav .nav-login{display:none}
  .burger{display:block}
  .nav-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .nav-open .burger span:nth-child(2){opacity:0}
  .nav-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
}

/* ---------- Hero ---------- */
.hero{padding:150px 0 60px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(1000px 480px at 78% -6%,#e9f0ff 0,transparent 60%),
    radial-gradient(760px 400px at 0% 8%,#f2f6ff 0,transparent 55%);}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(36px,5.4vw,62px);font-weight:850;margin:18px 0 0}
.hero h1 .grad{background:linear-gradient(120deg,var(--brand),#7aa2ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin-top:20px;font-size:clamp(17px,1.6vw,20px)}
.hero-cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.hero-mini{display:flex;gap:22px;margin-top:30px;flex-wrap:wrap;color:var(--muted);font-size:13.5px}
.hero-mini b{color:var(--ink)}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr;gap:34px}.hero{padding:120px 0 40px}}

/* ---------- Factory stage (hero animation) ---------- */
.stage{position:relative;background:linear-gradient(180deg,#0b1122,#0a0e18);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.06);color:var(--on-dark);aspect-ratio:1.28/1}
.stage-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.stage-top .dot3{display:flex;gap:6px}.dot3 i{width:9px;height:9px;border-radius:50%;background:#2a3348;display:block}
.stage-title{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--on-dark-mute);font-weight:700}
.stage-kpi{font-variant-numeric:tabular-nums}
.stage-svg{width:100%;height:auto;display:block}
.dept-node{fill:#121a2e;stroke:#26314b;stroke-width:1.5;rx:10}
.dept-label{fill:#c4cde0;font:600 11px var(--font);letter-spacing:.02em}
.flowdot{fill:#2f6bff;filter:drop-shadow(0 0 6px rgba(47,107,255,.9))}
.stage-legend{display:flex;gap:14px;margin-top:12px;font-size:11.5px;color:var(--on-dark-mute);flex-wrap:wrap}
.stage-legend span{display:inline-flex;align-items:center;gap:6px}
.sdot{width:8px;height:8px;border-radius:50%;display:inline-block}
.sdot.ok{background:var(--ok)}.sdot.warn{background:var(--warn)}.sdot.crit{background:var(--crit)}
/* issue lifecycle chip */
.issue-chip{position:absolute;left:22px;bottom:20px;background:#0e1526;border:1px solid #223052;border-radius:12px;
  padding:10px 12px;display:flex;align-items:center;gap:10px;min-width:220px;box-shadow:0 10px 30px -10px rgba(0,0,0,.6)}
.issue-chip .ic-dot{width:10px;height:10px;border-radius:50%;background:var(--warn);flex:0 0 auto;transition:background .4s}
.issue-chip .ic-t{font-size:12px;color:#aab4c8;line-height:1.3}
.issue-chip .ic-t b{color:#fff;display:block;font-size:13px;transition:color .3s}
.pulse{animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(47,107,255,.5)}50%{box-shadow:0 0 0 7px rgba(47,107,255,0)}}
@keyframes dash{to{stroke-dashoffset:-1000}}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}.reveal[data-d="4"]{transition-delay:.32s}

/* ---------- section shells ---------- */
.sec{padding:96px 0}
.sec-soft{background:var(--bg-soft)}
.sec-dark{background:radial-gradient(1000px 500px at 80% 0,#12203f 0,transparent 55%),var(--dark);color:var(--on-dark)}
.sec-dark h2{color:#fff}.sec-dark .lead{color:var(--on-dark-mute)}.sec-dark .eyebrow{color:#7aa2ff}
.sec-head{max-width:640px;margin-bottom:44px}
.sec-dark .sec-head .eyebrow::before{background:#7aa2ff}

/* ---------- digital twin ---------- */
.twin{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
.twin-map{position:relative;background:linear-gradient(180deg,#0d1424,#0a0f1c);border:1px solid rgba(255,255,255,.07);
  border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-lg);aspect-ratio:1.4/1}
.twin-grid{position:absolute;inset:20px;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:34px 34px;border-radius:14px}
.twin-depts{position:relative;height:100%;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(2,1fr);gap:14px}
.dept{position:relative;border-radius:14px;padding:14px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);
  color:#c9d3e6;transition:transform .2s,border-color .2s,background .2s;cursor:default;overflow:hidden}
.dept:hover{transform:translateY(-3px);border-color:rgba(47,107,255,.6);background:rgba(47,107,255,.08)}
.dept .dname{font-weight:700;font-size:14px;color:#fff}
.dept .dstat{display:flex;align-items:center;gap:7px;font-size:12px;margin-top:6px;color:#9aa6bd}
.dept .live{width:9px;height:9px;border-radius:50%}
.dept.ok .live{background:var(--ok);box-shadow:0 0 0 0 rgba(18,183,106,.6);animation:pulse2 2.4s infinite}
.dept.warn .live{background:var(--warn);animation:pulse2 2s infinite}
.dept.crit .live{background:var(--crit);animation:pulse2 1.3s infinite}
@keyframes pulse2{0%{box-shadow:0 0 0 0 currentColor;opacity:1}70%{box-shadow:0 0 0 8px transparent;opacity:.85}100%{box-shadow:0 0 0 0 transparent;opacity:1}}
.dept .dmeta{position:absolute;inset:auto 0 -100% 0;background:rgba(6,10,20,.92);padding:12px 14px;font-size:12px;color:#c9d3e6;transition:bottom .25s;border-top:1px solid rgba(255,255,255,.08)}
.dept:hover .dmeta{bottom:0}
.dept .dmeta b{color:#fff}
.twin-side .twin-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:12px;box-shadow:var(--shadow)}
.sec-dark .twin-side .twin-card{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.08);color:var(--on-dark)}
@media(max-width:960px){.twin{grid-template-columns:1fr}}

/* ---------- feature grid / cards ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .22s,box-shadow .22s,border-color .22s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.card .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--brand-soft);font-size:22px;margin-bottom:14px}
.card h3{font-size:19px;margin-bottom:6px}.card p{color:var(--muted);font-size:15px}
@media(max-width:900px){.grid3{grid-template-columns:1fr}.grid2{grid-template-columns:1fr}}

/* ---------- issue lifecycle flow ---------- */
.flow{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}
.flow .step{flex:1 1 120px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 12px;text-align:center;
  position:relative;transition:.3s;color:var(--muted);font-weight:600;font-size:13px}
.flow .step .n{display:block;font-size:11px;color:var(--muted-2);margin-bottom:4px}
.flow .step.on{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-3px)}
.flow .step.on .n{color:#93b4ff}
.issue-demo{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);max-width:520px}
.issue-demo .row{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
.issue-demo .row:last-child{border:0}
.issue-demo .k{color:var(--muted)}.issue-demo .v{font-weight:650}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700}
.badge.high{background:#fee4e2;color:#b42318}.badge.state{background:var(--brand-soft);color:var(--brand-ink);transition:.3s}

/* ---------- marketplace ---------- */
.mkt-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.mcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .22s,box-shadow .22s}
.mcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.mcard .top{height:110px;background:linear-gradient(135deg,#dfe8fb,#c9d8f7);position:relative}
.mcard .top .code{position:absolute;top:10px;left:10px;background:rgba(10,14,23,.8);color:#fff;font-size:11px;font-weight:700;padding:3px 8px;border-radius:6px}
.mcard .top .av{position:absolute;top:10px;right:10px;background:var(--ok);color:#fff;font-size:11px;font-weight:700;padding:3px 8px;border-radius:6px}
.mcard .b{padding:14px}.mcard .b h4{font-size:16px}.mcard .b .spec{color:var(--muted);font-size:13px;margin-top:2px}
.mcard .b .loc{color:var(--brand-ink);font-size:12px;font-weight:600;margin-top:8px;display:flex;align-items:center;gap:5px}
.value-flow{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:30px}
.value-flow .vf{background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:10px 14px;font-weight:600;font-size:13.5px}
.value-flow .arrow{color:var(--muted-2)}
.value-flow .vf.win{background:#e7f8ef;border-color:#bbecd0;color:#087443}
@media(max-width:900px){.mkt-cards{grid-template-columns:1fr}}

/* ---------- analytics KPI ---------- */
.kpis{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.kpi{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);border-radius:14px;padding:18px}
.kpi .kl{font-size:12px;color:var(--on-dark-mute);text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.kpi .kv{font-size:32px;font-weight:850;margin-top:6px;font-variant-numeric:tabular-nums;color:#fff}
.kpi .kv small{font-size:16px;color:var(--on-dark-mute);font-weight:600}
.kpi.crit .kv{color:#ff7a70}
.chart-wrap{margin-top:26px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:22px}
.bar{fill:#2f6bff}.bar.after{fill:#12b76a}
@media(max-width:900px){.kpis{grid-template-columns:1fr 1fr}}

/* ---------- ERP positioning ---------- */
.vs{display:grid;grid-template-columns:1fr auto 1fr;gap:22px;align-items:center}
.vs .col{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.vs .col h4{font-size:15px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:14px}
.vs .col.us{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.vs .col ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.vs .col li{display:flex;gap:9px;font-size:15px;color:var(--ink)}
.vs .col li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--muted-2);margin-top:8px;flex:0 0 auto}
.vs .col.us li::before{background:var(--brand)}
.vs .plus{width:44px;height:44px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:22px;font-weight:800}
.connected{margin-top:26px;text-align:center;font-weight:800;font-size:clamp(20px,2.6vw,30px);letter-spacing:-.02em}
.connected .grad{background:linear-gradient(120deg,var(--brand),#12b76a);-webkit-background-clip:text;background-clip:text;color:transparent}
@media(max-width:900px){.vs{grid-template-columns:1fr}.vs .plus{margin:0 auto}}

/* ---------- devices / mobile ---------- */
.devices{display:flex;gap:22px;justify-content:center;perspective:1400px}
.device{width:240px;flex:0 0 auto;border-radius:34px;border:9px solid #0a0e17;background:#0a0e17;box-shadow:var(--shadow-lg);overflow:hidden;
  transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.device img{border-radius:26px}
.device.d1{transform:rotateY(9deg) translateY(6px)}.device.d3{transform:rotateY(-9deg) translateY(6px)}
.devices:hover .device{transform:none}
@media(max-width:760px){.device:nth-child(3){display:none}.device{width:210px}}

/* ---------- roles ---------- */
.roles{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.role{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;transition:.22s}
.role:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand)}
.role .r{font-size:22px}.role h4{font-size:16px;margin:8px 0 4px}.role p{color:var(--muted);font-size:13.5px}
@media(max-width:900px){.roles{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.roles{grid-template-columns:1fr}}

/* ---------- pricing ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;display:flex;flex-direction:column;transition:.22s}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.plan.pop{border:2px solid var(--brand);box-shadow:var(--shadow-lg);position:relative}
.plan.pop::before{content:"Most popular";position:absolute;top:-13px;left:24px;background:var(--brand);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px}
.plan h3{font-size:20px}.plan .amt{font-size:40px;font-weight:850;margin:8px 0}.plan .amt small{font-size:15px;color:var(--muted);font-weight:600}
.plan ul{list-style:none;margin:14px 0;display:flex;flex-direction:column;gap:10px}
.plan li{display:flex;gap:9px;color:var(--muted);font-size:15px}.plan li::before{content:"✓";color:var(--ok);font-weight:800}
.plan .btn{margin-top:auto;justify-content:center}
@media(max-width:900px){.plans{grid-template-columns:1fr}}

/* ---------- faq ---------- */
.faq{max-width:820px;margin:0 auto}
details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-bottom:12px}
details summary{font-weight:650;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";color:var(--brand);font-weight:800;font-size:20px;transition:transform .2s}
details[open] summary::after{content:"–"}
details p{color:var(--muted);margin-top:10px}

/* ---------- CTA band ---------- */
.cta-band{background:radial-gradient(700px 300px at 80% 0,#2a4fd6 0,transparent 60%),linear-gradient(120deg,#1b4dd6,#0a0e17);
  color:#fff;border-radius:var(--radius-lg);padding:56px;text-align:center;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff}.cta-band p{color:#cdd9ff;max-width:520px;margin:10px auto 26px}

/* ---------- footer ---------- */
footer{background:var(--dark);color:var(--on-dark-mute);padding:64px 0 30px}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:26px}
footer h5{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.07em;margin-bottom:12px}
footer a{display:block;padding:5px 0;font-size:15px;transition:color .2s}footer a:hover{color:#fff}
.fbottom{border-top:1px solid #1b2436;margin-top:34px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:14px}
@media(max-width:820px){.fgrid{grid-template-columns:1fr 1fr}}

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