:root{
  --red:#E00000; --red-ink:#C00000; --red-soft:#FDECEC;
  --paper:#FFFFFF; --mist:#F6F2F2; --ink:#1C1517; --muted:#5C5155; --line:#E8DFE0;
  --deep:#3B0A0E; --deep-2:#2A0709; --on-deep:#FBEFEF; --on-deep-muted:#E2BFC1;
  --console:#1E1517; --console-line:#3A2C2F;
  --logo-light:block; --logo-dark:none;
  --display:"Outfit", "Segoe UI", Arial, sans-serif;
  --body:"Source Sans 3", "Segoe UI", Arial, sans-serif;
  --mono:"JetBrains Mono", Consolas, "Courier New", monospace;
  color-scheme:light;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --red:#E00A0A; --red-ink:#FF6B6B; --red-soft:#3A1416;
    --paper:#141012; --mist:#1D1719; --ink:#F5EEEF; --muted:#BDAEB2; --line:#33292C;
    --deep:#2E080B; --deep-2:#220507; --console:#0F0B0C; --console-line:#33292C;
    --logo-light:none; --logo-dark:block; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --red:#E00A0A; --red-ink:#FF6B6B; --red-soft:#3A1416;
  --paper:#141012; --mist:#1D1719; --ink:#F5EEEF; --muted:#BDAEB2; --line:#33292C;
  --deep:#2E080B; --deep-2:#220507; --console:#0F0B0C; --console-line:#33292C;
  --logo-light:none; --logo-dark:block; color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(env(safe-area-inset-top,0px) + 76px)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 18px/1.6 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--red);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--display);line-height:1.08;margin:0;letter-spacing:-.02em}
h2{font-size:clamp(2rem,4.2vw,3.25rem);font-weight:700}
h3{font-size:1.35rem;font-weight:600;letter-spacing:-.01em}
p{margin:0}
.wrap{width:min(1200px,100% - 48px);margin-inline:auto}
.lede{font-size:1.2rem;color:var(--muted);max-width:60ch}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:999px;font:600 1rem var(--display);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:#B80000}
.btn-ghost{border-color:currentColor;color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.logo-l{display:var(--logo-light)} .logo-d{display:var(--logo-dark)}

/* Header */
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(12px)}
.nav{display:flex;align-items:center;gap:24px;height:72px}
.brand img{height:40px;width:auto}
.nav-links{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav-links a,.nav-links button.menu-btn{font:500 1rem var(--display);text-decoration:none;padding:10px 14px;border-radius:999px;background:none;border:0;color:var(--ink);cursor:pointer}
.nav-links a:hover,.nav-links button.menu-btn:hover{background:var(--mist)}
.has-menu{position:relative}
.menu{position:absolute;top:calc(100% + 8px);left:-8px;width:340px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:8px;box-shadow:0 18px 40px -18px rgba(60,0,0,.35);display:none}
.has-menu.open .menu{display:block}
.menu a{display:block;padding:10px 12px;border-radius:10px}
.menu a strong{display:block;font-family:var(--display);font-weight:600}
.menu a span{font:400 .9rem/1.4 var(--body);color:var(--muted)}
.nav .btn{min-height:44px;padding:0 20px}
.theme-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:none;color:var(--ink);cursor:pointer;display:grid;place-items:center}
.burger{display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:none;color:var(--ink);margin-left:auto;cursor:pointer}
@media (max-width:960px){
  .burger{display:grid;place-items:center}
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 24px 20px}
  .nav-links.open{display:flex}
  .menu{position:static;width:auto;box-shadow:none;border:0;padding:0 0 0 12px}
  .nav .btn.desktop{display:none}
}

/* Hero */
.hero{padding:72px 0 96px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.hero .kicker{font:500 1rem var(--display);color:var(--red-ink);margin-bottom:20px;display:flex;align-items:center;gap:10px}
.hero .kicker i{width:10px;height:10px;border-radius:50%;background:var(--red);display:inline-block}
.hero h1{font-size:clamp(2.6rem,6vw,4.75rem);font-weight:800;letter-spacing:-.035em;margin-bottom:24px}
.hero .lede{margin-bottom:36px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.hero-note{margin-top:28px;font-size:.95rem;color:var(--muted)}

/* The C stage */
.stage{position:relative;aspect-ratio:1/1;width:100%}
.stage svg.ring{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.ring .arc{fill:none;stroke:var(--red);stroke-width:62;stroke-linecap:round}
.ring .dot{fill:var(--red);transition:transform .4s}
.stage.live .dot.a{animation:pulse 2.4s ease-in-out infinite}
.stage.live .dot.b{animation:pulse 2.4s ease-in-out 1.2s infinite}
@keyframes pulse{50%{opacity:.45}}
.console{position:absolute;left:24%;top:50%;transform:translateY(-50%);width:74%;background:var(--console);color:#F4E9EA;border-radius:18px;border:1px solid var(--console-line);box-shadow:0 30px 60px -24px rgba(80,0,0,.5);font:400 .82rem/1.65 var(--mono);overflow:hidden}
.console-top{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--console-line);color:#C9B5B8}
.console-top b{font-weight:500;color:#fff}
.console-body{padding:14px 16px;min-height:148px}
.console-body .row{display:flex;justify-content:space-between;gap:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ok{color:#7FE0A0}.warn{color:#FFC36B}.hi{color:#FF7A7A}.dim{color:#A8959A}.wait{color:#FFC36B}
.tabs{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:8px}
.stage-wrap{max-width:560px;width:100%;margin-left:auto}
.tabs button{font:500 .9rem var(--display);min-height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--paper);color:var(--ink);cursor:pointer}
.tabs button[aria-selected="true"]{background:var(--red);border-color:var(--red);color:#fff}
@media (max-width:960px){.hero-grid{grid-template-columns:1fr}.stage-wrap{margin:24px auto 0}}
@media (max-width:600px){.stage{aspect-ratio:auto}.stage svg.ring{display:none}.console{position:static;transform:none;width:100%;font-size:.74rem;border-top:6px solid var(--red)}.tabs{margin-top:16px}}

/* Section shells */
section.block{padding:104px 0}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-bottom:56px}
.sec-head .lede{justify-self:end}
@media (max-width:860px){.sec-head{grid-template-columns:1fr}.sec-head .lede{justify-self:start}}
.mist{background:var(--mist)}

/* Products: a stack of rows */
.stack{border-top:2px solid var(--ink)}
.prod{border-bottom:1px solid var(--line)}
.prod summary{list-style:none;display:grid;grid-template-columns:200px 1fr auto;gap:32px;align-items:center;padding:28px 0;cursor:pointer}
.prod summary::-webkit-details-marker{display:none}
.prod .cat{font:500 .95rem var(--display);color:var(--red-ink)}
.prod .pname{font:700 clamp(1.9rem,3.6vw,2.8rem)/1 var(--display);letter-spacing:-.03em}
.prod .pline{color:var(--muted);margin-top:8px;max-width:58ch}
.prod .plus{width:48px;height:48px;border-radius:50%;border:2px solid var(--ink);display:grid;place-items:center;transition:transform .25s,background .25s,color .25s}
.prod[open] .plus{transform:rotate(45deg);background:var(--red);border-color:var(--red);color:#fff}
.prod summary:hover .pname{color:var(--red-ink)}
.prod .detail{display:grid;grid-template-columns:200px 1fr 1fr;gap:32px;padding:0 0 36px}
.prod .detail ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.prod .detail li{padding-left:22px;position:relative}
.prod .detail li::before{content:"";position:absolute;left:0;top:.62em;width:9px;height:9px;border-radius:50%;background:var(--red)}
.prod .detail p{color:var(--muted)}
.prod .detail .ask{margin-top:18px}
@media (max-width:860px){
  .prod summary{grid-template-columns:1fr auto;gap:12px}
  .prod .cat{grid-column:1/-1}
  .prod .detail{grid-template-columns:1fr;gap:20px}
  .prod .detail>div:first-child{display:none}
}

/* Why Cogniverse — deep red band */
.deep{background:var(--deep);color:var(--on-deep);position:relative;overflow:hidden}
.deep .lede{color:var(--on-deep-muted)}
.deep::after{content:"";position:absolute;right:-180px;top:-180px;width:520px;height:520px;border-radius:50%;border:70px solid rgba(255,40,40,.16);border-left-color:transparent;transform:rotate(45deg);pointer-events:none}
.path{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:step;position:relative;z-index:1}
.path li{list-style:none;padding:28px 28px 8px 0;border-top:2px solid rgba(255,255,255,.22);position:relative}
.path li::before{counter-increment:step;content:counter(step);position:absolute;top:-22px;left:0;width:42px;height:42px;border-radius:50%;background:var(--red);color:#fff;font:700 1.05rem/42px var(--display);text-align:center}
.path h3{margin:24px 0 10px}
.path p{color:var(--on-deep-muted)}
.path{padding:0;margin:0}
@media (max-width:900px){.path{grid-template-columns:1fr 1fr;row-gap:40px}}
@media (max-width:560px){.path{grid-template-columns:1fr}}
.region{margin-top:64px;display:flex;flex-wrap:wrap;gap:12px 32px;align-items:center;position:relative;z-index:1;font:500 1.05rem var(--display)}
.region span{color:var(--on-deep-muted);font-weight:400}

/* Principles */
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.pillar{padding-top:24px;border-top:4px solid var(--red)}
.pillar h3{margin-bottom:12px}
.pillar p{color:var(--muted);margin-bottom:16px}
.pillar ul{margin:0;padding:0;list-style:none;font-size:.98rem;display:grid;gap:6px}
.pillar li{padding-left:18px;position:relative}
.pillar li::before{content:"";position:absolute;left:0;top:.68em;width:7px;height:7px;border-radius:50%;background:var(--ink)}
@media (max-width:960px){.pillars{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.pillars{grid-template-columns:1fr}}

/* Comparison */
.table-box{overflow-x:auto;border:1px solid var(--line);border-radius:20px;background:var(--paper)}
table{width:100%;border-collapse:collapse;min-width:720px}
th,td{text-align:left;padding:18px 24px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:0}
thead th{font:600 1rem var(--display);background:var(--mist)}
thead th.us{background:var(--red);color:#fff}
td:first-child{font:600 1rem var(--display);width:22%}
td:nth-child(2){color:var(--muted);width:36%}
td.us{background:var(--red-soft);font-weight:500}

/* Industries */
.ind-grid{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips button{font:500 1rem var(--display);min-height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:var(--paper);color:var(--ink);cursor:pointer}
.chips button:hover{border-color:var(--ink)}
.chips button[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.ind-panel{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:32px;min-height:260px}
.ind-panel h3{font-size:1.7rem;margin-bottom:12px}
.ind-panel p{color:var(--muted);margin-bottom:20px}
.ind-panel ul{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px 24px}
.ind-panel li{padding-left:22px;position:relative}
.ind-panel li::before{content:"";position:absolute;left:0;top:.62em;width:9px;height:9px;border-radius:50%;background:var(--red)}
.ind-panel .uses{font:500 .95rem var(--display);color:var(--red-ink);margin-top:24px}
@media (max-width:900px){.ind-grid{grid-template-columns:1fr}.ind-panel ul{grid-template-columns:1fr}}

/* Perimeter band */
.perimeter{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.perimeter ul{margin:28px 0 0;padding:0;list-style:none;display:grid;gap:14px}
.perimeter li{display:flex;gap:14px;align-items:flex-start}
.perimeter li svg{flex:none;margin-top:3px}
.fence{position:relative;aspect-ratio:4/3;border:3px dashed var(--red);border-radius:28px;display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:44px 28px 28px}
.fence .tag{position:absolute;top:-15px;left:24px;background:var(--paper);padding:0 10px;font:600 .95rem var(--display);color:var(--red-ink)}
.fence div{border:1px solid var(--line);border-radius:14px;display:grid;place-items:center;font:600 1.05rem var(--display);background:var(--mist)}
.fence .zero{grid-column:1/-1;background:var(--red);color:#fff;border-color:var(--red);font-size:1.15rem}
@media (max-width:860px){.perimeter{grid-template-columns:1fr}}

/* Enterprise ready */
.ready{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ready article{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:28px}
.ready h3{margin-bottom:10px;font-size:1.2rem}
.ready p{color:var(--muted);font-size:1rem;margin-bottom:16px}
.ready ul{margin:0;padding:0;list-style:none;display:grid;gap:8px;font-size:.98rem}
.ready li{padding-top:8px;border-top:1px solid var(--line)}
@media (max-width:960px){.ready{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.ready{grid-template-columns:1fr}}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:64px}
.contact-info dl{margin:36px 0 0;display:grid;gap:24px}
.contact-info dt{font:600 1rem var(--display);color:var(--red-ink);margin-bottom:4px}
.contact-info dd{margin:0}
form{display:grid;grid-template-columns:1fr 1fr;gap:18px;background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:32px}
form .full{grid-column:1/-1}
label{display:block;font:500 .95rem var(--display);margin-bottom:6px}
input,select,textarea{width:100%;font:400 1rem var(--body);color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:12px 14px;min-height:48px}
textarea{min-height:128px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--red);outline-offset:1px;border-color:var(--red)}
.form-note{font-size:.9rem;color:var(--muted)}
.sent{display:none;grid-column:1/-1;text-align:center;padding:36px 8px}
.sent h3{margin-bottom:8px}
form.done .field,form.done .full.actions{display:none}
form.done .sent{display:block}
.err{color:var(--red-ink);font-size:.9rem;margin-top:4px;display:none}
.invalid .err{display:block}
.invalid input,.invalid textarea{border-color:var(--red)}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}form{grid-template-columns:1fr;padding:24px}}

/* Footer */
footer{background:var(--deep-2);color:var(--on-deep);padding:72px 0 40px;font-size:1rem}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.foot img{height:56px;width:auto;margin-bottom:18px}
.foot h4{font:600 1rem var(--display);margin:0 0 14px;color:#fff}
.foot ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.foot a{color:var(--on-deep-muted);text-decoration:none}
.foot a:hover{color:#fff;text-decoration:underline}
.foot p{color:var(--on-deep-muted);max-width:36ch}
.legal{margin-top:56px;padding-top:28px;border-top:1px solid rgba(255,255,255,.14);font-size:.88rem;color:var(--on-deep-muted);display:grid;gap:10px}
@media (max-width:860px){.foot{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot{grid-template-columns:1fr}}