/* ============================================================
   ONFRIA · AI Workflow Platform — enterprise edition
   Dark navy base · single corporate blue accent · minimal glow
   Display: Space Grotesk · Text: Inter
   ============================================================ */
:root{
  --blue:#3b7dd8; --blue-hi:#5b93e0; --deep:#2f6fdd;
  --cyan:#7fb3e8; --violet:#8aa6d1;              /* legacy tokens, desaturated */
  --bg:#04070d; --bg2:#070d18;
  --panel:rgba(146,170,205,.045); --panel2:rgba(146,170,205,.075);
  --line:rgba(148,166,195,.15); --line2:rgba(148,166,195,.26);
  --text:#e8eef7; --muted:rgba(214,225,240,.6);
  --f-display:'Space Grotesk',system-ui,sans-serif;
  --f-text:'Inter',system-ui,-apple-system,sans-serif;
  --wrap:min(1200px,92vw);
  --r:12px; --r-lg:16px; --r-btn:8px;
  --grad:linear-gradient(95deg,#4a8ce0,#2f6fdd);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip;background:var(--bg)}
body{margin:0;font-family:var(--f-text);color:var(--text);background:var(--bg);
  line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:700;line-height:1.05;margin:0;letter-spacing:-.01em}
.wrap{width:var(--wrap);margin:0 auto;position:relative}
.grad-text{background:linear-gradient(95deg,#9cc0ef,#5b93e0);
  -webkit-background-clip:text;background-clip:text;color:transparent}

/* scroll lock while inside the intro */
html.intro-lock,body.intro-lock{overflow:hidden;height:100%}

/* ============ WebGL canvas — persistent background ============ */
#brainCanvas{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block;
  background:radial-gradient(120% 90% at 50% 8%,#0a1424 0%,#050a14 52%,#02040a 100%);
  opacity:0;transition:opacity 1.1s ease}
#brainCanvas.on{opacity:1}

/* ============ neuron knowledge labels ============ */
#labels{position:fixed;inset:0;z-index:4;pointer-events:none;overflow:hidden}
.nlabel{position:absolute;left:0;top:0;display:flex;align-items:center;gap:.45rem;
  font:600 10.5px/1 var(--f-text);letter-spacing:.12em;text-transform:uppercase;color:#ccdcf2;
  background:rgba(8,14,26,.55);border:1px solid rgba(148,175,215,.24);border-radius:6px;
  padding:.34rem .66rem;white-space:nowrap;will-change:transform,opacity;opacity:0;
  -webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}
.nlabel .dot{width:5px;height:5px;border-radius:50%;background:var(--blue-hi);flex:0 0 auto}
/* satellite (integration) labels — the zoomed-out layer */
.nlabel.sat{border-color:rgba(148,175,215,.34);background:rgba(8,16,30,.62)}
.nlabel.sat .dot{background:var(--blue)}
/* label taxonomy (inside view): knowledge domains = default (cat),
   formal process standards (std), concrete documents (file) */
.nlabel.std{letter-spacing:.16em;border-color:rgba(138,166,209,.42)}
.nlabel.std .dot{background:var(--violet)}
.nlabel.file{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  text-transform:none;letter-spacing:0;font-size:10px;color:#bcd2ec}
.nlabel.file .dot{background:var(--cyan);border-radius:2px}
/* ticket IDs (ONF-1042, QA-388, ...) — mono like files, round blue dot */
.nlabel.tkt{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  letter-spacing:.04em;font-size:10px;color:#c6d8f0}
.nlabel.tkt .dot{background:var(--blue-hi)}
/* protocol-class satellites (MCP Server, REST API, ...) vs brand connectors */
.nlabel.sat.proto{border-style:dashed;border-color:rgba(138,166,209,.45)}
.nlabel.sat.proto .dot{background:var(--violet)}

/* ============ INTRO overlay (chrome) ============ */
#intro{position:fixed;inset:0;z-index:10;cursor:grab;touch-action:none}
#intro.grab{cursor:grabbing}
#intro.gone{pointer-events:none}
.intro-top{position:absolute;top:0;left:0;right:0;z-index:6;display:flex;align-items:center;
  justify-content:space-between;padding:1.2rem clamp(1.2rem,4vw,2.4rem)}

/* claim in the middle of the zoom-out */
.intro-claim{position:absolute;inset:0;z-index:5;display:flex;flex-direction:column;align-items:center;
  justify-content:center;text-align:center;pointer-events:none;opacity:0}
.intro-claim::before{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(900px,96vw);height:min(560px,72vh);
  background:radial-gradient(ellipse at center,rgba(3,6,12,.82) 0%,rgba(3,6,12,.55) 42%,rgba(3,6,12,0) 74%);
  filter:blur(8px)}
.intro-claim>*{position:relative;z-index:1}
.claim-eyebrow{font:600 .72rem/1 var(--f-text);letter-spacing:.3em;text-transform:uppercase;
  color:rgba(204,220,242,.7);margin-bottom:1.2rem}
.claim-h{font-family:var(--f-display);font-weight:700;font-size:clamp(3.2rem,12vw,9rem);line-height:.92;
  color:#fff;letter-spacing:.02em;text-shadow:0 2px 30px rgba(3,8,18,.9)}
.claim-sub{font-family:var(--f-display);font-weight:500;font-size:clamp(1.05rem,3vw,1.9rem);
  letter-spacing:.42em;text-transform:uppercase;margin-top:1rem;color:#9cc0ef}

/* ============ workflow boot loader (intro HUD, bottom-left) ============ */
.boot{position:absolute;left:clamp(1.2rem,4vw,2.4rem);bottom:2rem;z-index:6;width:min(300px,72vw);
  background:rgba(8,14,26,.6);border:1px solid rgba(148,175,215,.24);border-radius:8px;
  padding:.8rem .95rem;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  pointer-events:none;transition:opacity .5s ease,transform .5s ease}
.boot-head{display:flex;align-items:center;gap:.5rem;font:600 10px/1 var(--f-text);
  letter-spacing:.16em;text-transform:uppercase;color:#ccdcf2}
.boot-head .dot{width:6px;height:6px;border-radius:50%;background:var(--blue-hi);flex:0 0 auto;
  animation:bootPulse 1.4s ease-in-out infinite}
@keyframes bootPulse{0%,100%{opacity:.45}50%{opacity:1}}
.boot-pct{margin-left:auto;font-variant-numeric:tabular-nums;color:#e8eef7}
.boot-track{height:3px;border-radius:2px;background:rgba(148,175,215,.18);margin:.6rem 0 .55rem;overflow:hidden}
.boot-fill{height:100%;width:0;background:var(--blue-hi);border-radius:inherit}
.boot-msg{font:500 10px/1.4 var(--f-text);letter-spacing:.05em;color:var(--muted);min-height:14px}
.boot.done .dot{background:#3fae7a;animation:none}
.boot.done .boot-fill{background:#3fae7a}
/* hold the green "Workflow ready" state ~.6 s, then fade away */
.boot.done{opacity:0;transform:translateY(8px);
  transition:opacity .45s ease .6s,transform .45s ease .6s}
@media(max-width:560px){.boot{bottom:1.4rem;left:1rem;width:min(240px,70vw);padding:.65rem .8rem}}

/* ============ header ============ */
.head{position:fixed;top:0;left:0;right:0;z-index:20;opacity:0;pointer-events:none;
  transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
body.web-active .head{pointer-events:auto}
.head.scrolled{background:rgba(4,7,13,.78);-webkit-backdrop-filter:saturate(130%) blur(14px);
  backdrop-filter:saturate(130%) blur(14px);border-bottom-color:var(--line)}
/* header over the light zone: flips to a light bar (toggled from main.js) */
.head.lightbar{background:rgba(247,249,252,.9);border-bottom-color:rgba(16,32,58,.12)}
.head.lightbar .menu{color:rgba(30,44,66,.72)}
.head.lightbar .menu:hover{color:#131c2b}
.head.lightbar .logo-tx{color:#131c2b}
.head.lightbar .logo-tx small{color:rgba(30,44,66,.6)}
.head-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem 0}
.nav{display:flex;align-items:center;gap:1.6rem}
.nav .menu{font-weight:600;font-size:.9rem;color:var(--muted);transition:color .2s}
.nav .menu:hover{color:var(--text)}
@media(max-width:820px){.nav .menu{display:none}}

/* logo */
.logo{display:inline-flex;align-items:center;gap:.6rem}
.logo-mark{width:24px;height:24px;border-radius:50%;flex:0 0 auto;position:relative;
  background:var(--deep)}
.logo-mark::after{content:"";position:absolute;inset:-5px;border-radius:50%;
  border:1.5px solid rgba(91,147,224,.4)}
.logo-tx{font-family:var(--f-display);font-weight:700;font-size:1.06rem;line-height:.9;color:var(--text);
  letter-spacing:.08em}
.logo-tx small{display:block;font-family:var(--f-text);font-weight:600;text-transform:uppercase;
  letter-spacing:.22em;font-size:.5rem;color:var(--muted);margin-top:3px}

/* ============ buttons ============ */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--f-text);font-weight:700;
  font-size:.9rem;padding:.78rem 1.4rem;border-radius:var(--r-btn);cursor:pointer;border:0;
  transition:background .2s,border-color .2s,transform .16s;will-change:transform}
.btn-primary{background:var(--deep);color:#fff;border:1px solid rgba(255,255,255,.1)}
.btn-primary:hover{background:var(--blue-hi);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line2)}
.btn-ghost:hover{background:var(--panel2);border-color:rgba(148,166,195,.42);transform:translateY(-1px)}

/* ============ shared section bits ============ */
main{position:relative;z-index:6}
body.intro-lock main{pointer-events:none}
.section{padding:clamp(3.5rem,7vw,6.5rem) 0;position:relative}
.section.slim{padding:clamp(2rem,4vw,3.5rem) 0}
.sec-head{margin-bottom:clamp(1.8rem,3.4vw,2.8rem)}
.sec-head h2{font-size:clamp(1.8rem,4.2vw,3rem)}
.sec-head p{color:var(--muted);margin:.9rem 0 0;font-size:1.03rem;max-width:64ch}
.eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.2em;font-size:.68rem;color:#9cc0ef;margin-bottom:1rem}
.eyebrow .sp{width:16px;height:2px;background:var(--blue);flex:0 0 auto}

/* content backdrop: hero stays over the live canvas, then a SOLID light
   zone (#trust .. #cta) — token flip does most of the component theming */
.zone-light{
  --panel:#ffffff; --panel2:#eef1f7;
  --line:rgba(16,32,58,.12); --line2:rgba(16,32,58,.22);
  --text:#131c2b; --muted:rgba(30,44,66,.64);
  background:#f4f6fa;color:var(--text);position:relative;
  border-top:1px solid rgba(16,32,58,.06)}
.zone-light .eyebrow{color:var(--deep)}
.zone-light .tile .ic,.zone-light .step-n,.zone-light .sec-item svg{color:var(--deep)}
.zone-light .tile,.zone-light .step,.zone-light .sec-item,.zone-light .stats-row,
.zone-light .quote,.zone-light .badge{box-shadow:0 1px 2px rgba(16,32,58,.05)}
.zone-light .tlogo{color:#3f5170}
.zone-light .trust-logos{opacity:.75}
/* the DAG panel stays a dark "application screenshot" inside the light zone */
.zone-light .dag-panel{
  --muted:rgba(214,225,240,.6); --line:rgba(148,166,195,.15);
  background:radial-gradient(120% 130% at 50% 0%,#0d1626 0%,#070d18 60%,#04070d 100%);
  border-color:rgba(10,20,38,.85);
  box-shadow:0 22px 48px -24px rgba(16,32,58,.45)}
/* dark CTA card bookends the light zone (matches hero + footer) */
.zone-light .cta{
  --text:#e8eef7; --muted:rgba(214,225,240,.62);
  --line2:rgba(148,166,195,.26);
  background:linear-gradient(150deg,#0c1524 0%,#060b16 70%);
  border-color:rgba(10,20,38,.9);color:var(--text);
  box-shadow:0 24px 56px -28px rgba(16,32,58,.5)}
.foot{background:#04070d}

/* ============ HERO ============ */
.hero{min-height:100svh;display:flex;align-items:flex-end;position:relative;
  padding:7rem 0 clamp(3rem,8vh,5.5rem)}
.hero-inner{opacity:0;max-width:56rem}
html.no3d .hero-inner{opacity:1}
.hero h1{font-size:clamp(2.6rem,6.6vw,5.2rem);line-height:1;
  text-shadow:0 2px 26px rgba(3,8,18,.85)}
.hero .lead{max-width:60ch;margin:1.4rem 0 0;color:var(--muted);font-size:clamp(1rem,1.3vw,1.15rem)}
.hero .lead b{color:var(--text);font-weight:600}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:2rem}

/* ============ trust bar ============ */
.trust-l{font:600 .7rem/1.5 var(--f-text);letter-spacing:.22em;text-transform:uppercase;
  color:var(--muted);text-align:center;margin:0 0 1.4rem}
.proof-strip{display:flex;align-items:center;justify-content:center;gap:.7rem;flex-wrap:wrap}
.proof-strip span{display:inline-flex;align-items:center;min-height:34px;padding:.46rem .75rem;
  border:1px solid var(--line);border-radius:6px;background:var(--panel);
  color:var(--muted);font-size:.84rem;font-weight:700}
.proof-strip span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--deep);
  margin-right:.48rem;flex:0 0 auto}
.trust-logos{display:flex;align-items:center;justify-content:center;gap:clamp(1.4rem,4.5vw,3.4rem);
  flex-wrap:wrap;opacity:.55;filter:grayscale(1)}
.tlogo{font-family:var(--f-display);font-size:1.05rem;letter-spacing:.12em;color:#cdd9ea;
  white-space:nowrap;user-select:none}
.tlogo.serif{font-family:Georgia,'Times New Roman',serif;letter-spacing:.04em;font-style:italic}
.tlogo.wide{letter-spacing:.3em;font-weight:500;font-size:.92rem}
.tlogo.bold{font-weight:700;letter-spacing:.02em}
.tlogo.thin{font-weight:400;letter-spacing:.18em}

/* ============ features grid ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.tile{position:relative;border-radius:var(--r);padding:1.7rem;overflow:hidden;
  background:var(--panel);border:1px solid var(--line);
  transition:border-color .25s,transform .25s;will-change:transform}
.tile:hover{transform:translateY(-2px);border-color:rgba(91,147,224,.45)}
.tile .ic{margin-bottom:1rem;color:var(--blue-hi)}
.tile .ic svg{width:26px;height:26px;display:block;stroke:currentColor;fill:none;
  stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.tile h3{font-size:1.2rem}
.tile p{color:var(--muted);font-size:.94rem;margin:.5rem 0 0}
@media(max-width:900px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid-3{grid-template-columns:1fr}}

/* ============ governed workflow map ============ */
.flow-map{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r);background:var(--line)}
.flow-step{min-height:230px;padding:1.55rem;background:var(--panel);position:relative}
.flow-step h3{font-size:1.12rem;margin-top:.7rem}
.flow-step p{color:var(--muted);font-size:.94rem;margin:.55rem 0 0}
@media(max-width:980px){.flow-map{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.flow-map{grid-template-columns:1fr}.flow-step{min-height:auto}}
.workflow-compare{margin-top:1.1rem;border:1px solid var(--line);border-radius:var(--r);
  background:var(--panel);overflow:hidden}
.compare-lead{margin:0;padding:1rem 1.2rem;color:var(--text);font-weight:700;
  border-bottom:1px solid var(--line)}
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr)}
.compare-col{padding:1.25rem 1.35rem;background:#fff}
.compare-col+.compare-col{border-left:1px solid var(--line)}
.compare-col h3{font-size:1.04rem;margin-bottom:.9rem}
.compare-col ul{list-style:none;margin:0;padding:0}
.compare-col li{position:relative;padding-left:1rem;margin:.62rem 0;color:var(--muted);font-size:.94rem}
.compare-col li::before{content:"";position:absolute;left:0;top:.58em;width:6px;height:6px;
  border-radius:2px;background:var(--deep);opacity:.75}
.compare-strong{background:linear-gradient(180deg,#fff,#eef3fb)}
.compare-strong h3{color:var(--deep)}
@media(max-width:760px){.compare-grid{grid-template-columns:1fr}
  .compare-col+.compare-col{border-left:0;border-top:1px solid var(--line)}}

/* ============ workflow DAG panel (How it works) ============ */
.dag-panel{position:relative;border-radius:var(--r);border:1px solid var(--line);overflow:hidden;
  height:clamp(250px,34vw,350px);margin-bottom:1.2rem;
  background:linear-gradient(140deg,rgba(146,170,205,.05),rgba(146,170,205,.012))}
.dag-cap{position:absolute;top:.85rem;left:1.1rem;z-index:2;
  font:600 .64rem/1 var(--f-text);letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
#dagCanvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.dag-labels{position:absolute;inset:0;pointer-events:none}
.dlabel{position:absolute;transform:translate(-50%,0);display:flex;align-items:center;gap:.4rem;
  font:600 10px/1 var(--f-text);letter-spacing:.1em;text-transform:uppercase;color:#ccdcf2;
  background:rgba(8,14,26,.6);border:1px solid rgba(148,175,215,.22);border-radius:6px;
  padding:.3rem .6rem;white-space:nowrap}
.dlabel .dot{width:5px;height:5px;border-radius:50%;flex:0 0 auto}
.dlabel.trigger .dot{background:var(--cyan)}
.dlabel.agent .dot{background:var(--blue-hi)}
.dlabel.knowledge .dot{background:var(--violet)}
.dlabel.check .dot{background:#9cc4ea}
.dlabel.exception .dot{background:#e8a33d}
.dlabel.approval .dot{background:#e8a33d}
.dlabel.output .dot{background:#3fae7a}
@media(max-width:560px){
  .dag-panel{height:230px}
  .dlabel{font-size:8px;padding:.22rem .42rem;letter-spacing:.05em;gap:.3rem}
}

/* ============ steps ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.step{position:relative;border-radius:var(--r);padding:1.8rem;background:var(--panel);
  border:1px solid var(--line);transition:border-color .25s,transform .25s}
.step:hover{transform:translateY(-2px);border-color:rgba(91,147,224,.45)}
.step-n{font-family:var(--f-display);font-weight:700;font-size:2rem;color:var(--blue-hi)}
.step h3{font-size:1.18rem;margin-top:.7rem}
.step p{color:var(--muted);font-size:.94rem;margin:.5rem 0 0}
@media(max-width:820px){.steps{grid-template-columns:1fr}}

/* ============ security & compliance ============ */
.sec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.sec-item{border-radius:var(--r);padding:1.35rem 1.5rem;background:var(--panel);
  border:1px solid var(--line);display:flex;gap:.85rem;align-items:flex-start}
.sec-item svg{width:18px;height:18px;flex:0 0 auto;margin-top:.22rem;color:var(--blue-hi);
  stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.sec-item h4{font-size:1rem;font-weight:600;font-family:var(--f-text)}
.sec-item p{color:var(--muted);font-size:.88rem;margin:.3rem 0 0}
.sec-badges{display:flex;align-items:center;gap:.8rem;flex-wrap:wrap;margin-top:1.6rem}
.badge{font:600 .72rem/1 var(--f-text);letter-spacing:.08em;text-transform:uppercase;color:#ccdcf2;
  border:1px solid var(--line2);border-radius:6px;padding:.55rem .85rem;background:var(--panel)}
.badge small{display:block;font-size:.58rem;color:var(--muted);letter-spacing:.06em;
  text-transform:none;margin-top:.3rem}
.sec-note{color:var(--muted);font-size:.78rem;margin:.9rem 0 0}
@media(max-width:900px){.sec-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.sec-grid{grid-template-columns:1fr}}

/* ============ stats ============ */
.stats-row{display:grid;grid-template-columns:repeat(3,1fr);align-items:center;
  gap:clamp(.4rem,3vw,2rem);padding:clamp(1.8rem,4vw,3rem) clamp(1rem,3vw,2.2rem);
  border-radius:var(--r);border:1px solid var(--line);position:relative;overflow:hidden;
  background:var(--panel)}
.stat{text-align:center;padding:.2rem .5rem}
.stat+.stat{border-left:1px solid var(--line)}
.stat-n{font-family:var(--f-display);font-weight:700;font-size:clamp(2.2rem,5.4vw,3.8rem);line-height:.9;
  color:var(--text)}
.stat-n span{font-size:.5em;vertical-align:.16em;color:var(--blue-hi)}
.stat-l{margin-top:.6rem;color:var(--muted);font-weight:600;text-transform:uppercase;
  letter-spacing:.1em;font-size:clamp(.6rem,1vw,.74rem);line-height:1.4}
.audit-offer{margin-top:1rem}
@media(max-width:620px){.stats-row{grid-template-columns:1fr;gap:0}
  .stat{padding:1rem .4rem}.stat+.stat{border-left:0;border-top:1px solid var(--line)}}

/* ============ testimonial ============ */
.quote{border-radius:var(--r);border:1px solid var(--line);background:var(--panel);
  padding:clamp(1.8rem,4vw,3rem);border-left:3px solid var(--deep)}
.quote blockquote{margin:0;font-family:var(--f-display);font-weight:500;
  font-size:clamp(1.15rem,2.2vw,1.6rem);line-height:1.4;color:var(--text);max-width:56ch}
.quote figcaption{margin-top:1.2rem;color:var(--muted);font-size:.88rem;font-weight:600}

/* ============ CTA ============ */
.cta{position:relative;border-radius:var(--r-lg);overflow:hidden;text-align:center;
  padding:clamp(2.8rem,6vw,4.6rem) 1.5rem;border:1px solid var(--line2);
  background:var(--panel2)}
.cta h2{font-size:clamp(1.8rem,4.2vw,3rem);max-width:24ch;margin:0 auto}
.cta p{color:var(--muted);max-width:56ch;margin:1rem auto 2rem}
.cta-row{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap}

/* ============ contact form (dark CTA card) ============ */
.contact-form{max-width:44rem;margin:0 auto;text-align:left}
.cf-grid{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
.cf-field{display:block;margin-top:.9rem}
.cf-grid .cf-field{margin-top:0}
.cf-field>span{display:block;font-size:.8rem;font-weight:600;letter-spacing:.02em;
  color:var(--text);margin-bottom:.4rem}
.cf-field>span small{color:var(--muted);font-weight:500}
.cf-field input,.cf-field textarea{width:100%;font:400 .95rem/1.5 var(--f-text);
  color:var(--text);background:rgba(146,170,205,.06);
  border:1px solid var(--line2);border-radius:var(--r-btn);
  padding:.7rem .85rem;transition:border-color .2s,background .2s}
.cf-field textarea{resize:vertical;min-height:6.5rem}
.cf-field input::placeholder,.cf-field textarea::placeholder{color:var(--muted)}
.cf-field input:focus,.cf-field textarea:focus{outline:none;
  border-color:var(--blue-hi);background:rgba(146,170,205,.1)}
/* honeypot: off-screen, never shown to humans */
.cf-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.cf-actions{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin-top:1.3rem}
.cf-alt{font-size:.85rem;color:var(--muted)}
.cf-alt a{color:var(--blue-hi)}
@media(max-width:560px){.cf-grid{grid-template-columns:1fr}}

/* ============ footer ============ */
.foot{border-top:1px solid var(--line);padding:clamp(2.2rem,4vw,3.2rem) 0 1.6rem;position:relative;z-index:6}
.foot-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:2rem;
  padding-bottom:clamp(1.6rem,3vw,2.4rem)}
.foot-col h5{font:700 .72rem/1 var(--f-text);letter-spacing:.16em;text-transform:uppercase;
  color:var(--text);margin:0 0 .9rem}
.foot-col a{display:block;color:var(--muted);font-size:.88rem;padding:.22rem 0;transition:color .2s}
.foot-col a:hover{color:var(--text)}
.foot-col p{color:var(--muted);font-size:.88rem;margin:.22rem 0}
.foot-brand p{color:var(--muted);font-size:.86rem;max-width:34ch;margin:1rem 0 0}
.foot-bottom{border-top:1px solid var(--line);padding-top:1.3rem;display:flex;
  align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.foot-note{color:var(--muted);font-size:.8rem}
.foot-bottom a{color:var(--muted);font-size:.8rem}
.foot-bottom a:hover{color:var(--text)}
@media(max-width:900px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}}

/* ============ reveal on scroll ============ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
html:not(.js) .reveal{opacity:1;transform:none}

/* ============ static-page hero entrance (gated by html.js) ============ */
/* Content pages fade+rise the hero on load — a light echo of the way the
   homepage hero resolves. Gated behind html.js so no-JS users see a static
   hero (never invisible); the reduced-motion block below neutralises it. */
@keyframes heroRise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
html.js .page-hero .eyebrow,
html.js .page-hero h1,
html.js .page-hero p,
html.js .page-hero .hero-cta{opacity:0;animation:heroRise .6s cubic-bezier(.2,.7,.3,1) both}
html.js .page-hero h1{animation-delay:.08s}
html.js .page-hero p{animation-delay:.16s}
html.js .page-hero .hero-cta{animation-delay:.24s}

a:focus-visible,button:focus-visible{outline:2px solid var(--blue-hi);outline-offset:3px;border-radius:4px}

/* ============ no-3D fallback (no WebGL / CDN down / reduced motion) ============ */
html.no3d #intro,html.no3d #labels,html.no3d #brainCanvas{display:none!important}
html.no3d,html.no3d body{overflow:auto;height:auto}
html.no3d body{background:
  radial-gradient(70% 55% at 50% 30%,rgba(47,111,221,.22),transparent 70%),
  var(--bg)}
html.no3d .head{opacity:1;pointer-events:auto}
html.no3d main{pointer-events:auto}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important}
  .reveal{opacity:1!important;transform:none!important}
}