/* NeuroEvidence Group — public site. Direction A "Case File". Swap the :root block to change direction. */
:root{
  --bg:#F5F2EA; --bg2:#EEE9DD; --ink:#141A22; --muted:#59606B; --rule:#D9D3C5; --rule2:#B9B2A3;
  --panel:#FBF9F4; --accent:#7A1F22; --accent2:#5E171A; --onaccent:#fff; --trace:#8C929B;
  --dark:#141A22; --ondark:#ECE7DC; --darkmuted:#A4A9B0; --darkrule:#2A323C;
  --head:"Newsreader",Georgia,serif; --sans:"IBM Plex Sans",system-ui,sans-serif; --mono:"IBM Plex Mono",ui-monospace,monospace;
  --hw:400; --r:2px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{max-width:1240px;margin:0 auto;padding:0 40px}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:var(--ink);color:var(--bg);padding:8px 12px;z-index:9}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--rule)}
.navin{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.logo{font-family:var(--head);font-size:21px;letter-spacing:-.01em;display:flex;align-items:center;gap:10px;white-space:nowrap}
.logo b{font-weight:400;color:var(--muted)}
.mark{width:22px;height:22px;border:1.5px solid var(--accent);border-radius:50%;position:relative;flex:none}
.mark:after{content:"";position:absolute;left:3px;right:3px;top:9px;height:2px;background:var(--accent)}
.nav nav{display:flex;gap:30px;align-items:center;font-size:14px}
.nav nav a:not(.btn){color:var(--muted);transition:color .2s}.nav nav a:not(.btn):hover{color:var(--ink)}
.menu{display:none;background:none;border:1px solid var(--rule2);width:42px;height:42px;border-radius:var(--r);font:inherit;color:var(--ink);cursor:pointer}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:var(--onaccent);padding:16px 26px;font-size:15px;font-weight:600;border-radius:var(--r);border:0;cursor:pointer;font-family:var(--sans);transition:background .2s,transform .2s}
.btn:hover{background:var(--accent2)}.btn:active{transform:translateY(1px)}
.btn.sm{padding:10px 16px;font-size:13px}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--rule2)}.btn.ghost:hover{box-shadow:inset 0 0 0 1px var(--ink)}
.btn[disabled]{opacity:.6;cursor:wait}

/* type */
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:22px}
h1,h2,h3{font-family:var(--head);font-weight:var(--hw);letter-spacing:-.02em;line-height:1.05}
h1{font-size:clamp(46px,6.2vw,80px)}
h2{font-size:clamp(34px,4.2vw,54px)}
h3{font-size:26px;line-height:1.2}
.lede{font-size:19px;color:var(--muted);max-width:580px}
.muted{color:var(--muted)}

/* hero */
.hero{padding:88px 0 80px}
.grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero .lede{margin:28px 0 36px}
.ctas{display:flex;gap:14px;flex-wrap:wrap}
.facts{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:52px;padding-top:28px;border-top:1px solid var(--rule)}
.facts b{display:block;font-family:var(--head);font-size:20px;font-weight:var(--hw);margin-bottom:6px}
.facts span{font-size:13px;color:var(--muted);line-height:1.5;display:block}
.panel{background:var(--panel);border:1px solid var(--rule);border-radius:var(--r);padding:22px}
.ph,.pf{display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted)}
.trace svg{width:100%;height:320px;margin:16px 0}
.grid-l line{stroke:var(--rule);stroke-dasharray:2 5}
.tr{fill:none;stroke:var(--trace);stroke-width:1.3;vector-effect:non-scaling-stroke}
.hl{stroke:var(--accent);stroke-width:1.8;stroke-dasharray:1400;stroke-dashoffset:1400;animation:draw 2.6s .3s cubic-bezier(.6,0,.2,1) forwards}
.hlx{color:var(--accent)}
@keyframes draw{to{stroke-dashoffset:0}}

/* sections */
section{scroll-margin-top:80px}
.band{padding:104px 0;border-top:1px solid var(--rule)}
.band.alt{background:var(--bg2)}
.head{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:end;margin-bottom:56px}
.head p{color:var(--muted);font-size:18px}
.s3{display:grid;grid-template-columns:repeat(3,1fr);gap:48px}
.s3 .n{font-family:var(--mono);color:var(--accent);font-size:13px}
.s3 h3{margin:10px 0}
.s3 p{color:var(--muted);line-height:1.6}

.measures{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--rule);border:1px solid var(--rule)}
.measure{background:var(--panel);padding:40px}
.measure .tag{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--accent);text-transform:uppercase}
.measure h3{margin:14px 0 12px}
.measure p{color:var(--muted)}
.conds{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px}
.conds span{border:1px solid var(--rule2);padding:8px 14px;font-size:14px;border-radius:999px;background:var(--panel)}

/* dark band: defense vs record */
.dark{background:var(--dark);color:var(--ondark);border-top:0}
.dark .eyebrow{color:#D9A5A0}
.dark .head p{color:var(--darkmuted)}
.vs{border-top:1px solid var(--darkrule)}
.vsrow{display:grid;grid-template-columns:1fr 1fr;gap:64px;padding:32px 0;border-bottom:1px solid var(--darkrule)}
.vsrow .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--darkmuted);margin-bottom:10px}
.vsrow .def{font-family:var(--head);font-size:26px;line-height:1.25;color:var(--darkmuted);font-style:italic}
.vsrow .rec{font-size:17px;line-height:1.6}
.vsrow .rec b{display:block;font-family:var(--head);font-weight:400;font-size:26px;line-height:1.25;margin-bottom:8px;color:var(--ondark)}

/* process */
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink)}
.steps li{padding:28px 28px 0 0}
.steps li+li{padding-left:28px;border-left:1px solid var(--rule)}
.steps .n{font-family:var(--mono);font-size:12px;color:var(--accent);letter-spacing:.1em}
.steps h3{font-size:23px;margin:12px 0 10px}
.steps p{color:var(--muted);font-size:15px}

/* standards */
.std{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:start}
.doc{background:var(--panel);border:1px solid var(--rule);padding:36px;position:relative}
.doc:before{content:"";position:absolute;inset:8px -8px -8px 8px;border:1px solid var(--rule);z-index:-1;background:var(--bg2)}
.doc .tag{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;border-bottom:1px solid var(--rule);padding-bottom:14px;margin-bottom:20px;display:flex;justify-content:space-between}
.doc ul{list-style:none}
.doc li{padding:14px 0;border-bottom:1px dashed var(--rule);display:flex;gap:14px}
.doc li:last-child{border-bottom:0}
.doc li i{font-style:normal;font-family:var(--mono);font-size:12px;color:var(--accent);padding-top:3px}

/* briefing promo */
.promo{display:grid;grid-template-columns:auto 1fr auto;gap:48px;align-items:center;border:1px solid var(--ink);padding:48px;background:var(--panel)}
.play{width:88px;height:88px;border-radius:50%;border:1.5px solid var(--accent);display:grid;place-items:center}
.play:after{content:"";border-left:20px solid var(--accent);border-top:13px solid transparent;border-bottom:13px solid transparent;margin-left:6px}
.promo h3{font-size:32px}
.promo p{color:var(--muted);margin-top:8px}

/* faq */
.faq{border-top:1px solid var(--ink)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{list-style:none;cursor:pointer;padding:26px 0;font-family:var(--head);font-size:24px;display:flex;justify-content:space-between;gap:24px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-family:var(--sans);font-weight:300;color:var(--accent);transition:transform .2s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq details p{color:var(--muted);padding:0 0 28px;max-width:760px}

/* forms */
.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:500;color:var(--muted)}
.field input,.field select,.field textarea{font:inherit;font-size:16px;color:var(--ink);background:var(--panel);border:1px solid var(--rule2);border-radius:var(--r);padding:13px 14px;width:100%}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.formnote{font-size:13px;color:var(--muted);margin-top:14px}
.formmsg{margin-top:14px;font-size:15px}
.formmsg.err{color:var(--accent)}
.done{border:1px solid var(--rule2);background:var(--panel);padding:36px}
.done h3{margin-bottom:10px}

/* footer */
footer{background:var(--dark);color:var(--darkmuted);padding:56px 0 40px;font-size:14px}
footer .logo{color:var(--ondark)}
footer .logo b{color:var(--darkmuted)}
.foot{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:36px}
.foot nav{display:flex;gap:24px;flex-wrap:wrap}
.foot nav a:hover{color:var(--ondark)}
.disc{border-top:1px solid var(--darkrule);padding-top:24px;font-size:12.5px;line-height:1.6;max-width:900px}

/* reveal */
.rv{opacity:0;transform:translateY(14px);transition:opacity .8s ease,transform .8s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.hl{animation:none;stroke-dashoffset:0}html{scroll-behavior:auto}}

/* responsive */
@media (max-width:1000px){
  .grid,.head,.std,.measures{grid-template-columns:1fr}
  .grid{gap:48px}.head{gap:16px}
  .steps{grid-template-columns:1fr 1fr}
  .steps li:nth-child(3){padding-left:0;border-left:0}
  .promo{grid-template-columns:1fr;gap:24px;padding:32px}
}
@media (max-width:820px){
  .nav nav{display:none;position:absolute;top:76px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--rule);padding:8px 16px 16px}
  .nav nav a{padding:14px 0;border-bottom:1px solid var(--rule)}
  .nav nav a.btn{margin-top:12px;border:0}
  .nav.open nav{display:flex}
  .menu{display:grid;place-items:center}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .hero{padding:48px 0 56px}
  .band{padding:72px 0}
  .facts,.s3,.steps,.formgrid,.vsrow{grid-template-columns:1fr}
  .facts{gap:18px}
  .s3{gap:32px}
  .steps li,.steps li+li{padding:24px 0;border-left:0;border-bottom:1px solid var(--rule)}
  .vsrow{gap:16px}
  .measure{padding:28px}
  .trace svg{height:220px}
  .ctas .btn{width:100%}
  .doc{padding:24px}
  .faq summary{font-size:20px}
  .lede{font-size:17px}
}