:root{
  color-scheme:dark;
  --bg:#03111d;
  --bg2:#061a29;
  --surface:#072234;
  --surface2:#0a2a3f;
  --panel:rgba(8,35,52,.78);
  --panel-solid:#082235;
  --text:#f5f8fb;
  --heading:#ffffff;
  --muted:#a7bdca;
  --soft:#7f9bac;
  --cyan:#00e5d7;
  --cyan2:#7afff4;
  --blue:#2e8dff;
  --line:rgba(151,219,231,.20);
  --header:rgba(2,11,19,.78);
  --input:#061623;
  --shadow:0 22px 80px rgba(0,0,0,.30);
  --hero-filter:brightness(.68) saturate(.88);
}
html[data-theme="light"]{
  color-scheme:light;
  --bg:#eef6f8;
  --bg2:#f8fbfc;
  --surface:#ffffff;
  --surface2:#edf7f8;
  --panel:rgba(255,255,255,.86);
  --panel-solid:#ffffff;
  --text:#173042;
  --heading:#061a29;
  --muted:#526d7e;
  --soft:#708896;
  --cyan:#008d88;
  --cyan2:#006f6b;
  --blue:#126dca;
  --line:rgba(21,86,108,.18);
  --header:rgba(248,252,253,.88);
  --input:#f8fbfc;
  --shadow:0 20px 60px rgba(24,68,86,.10);
  --hero-filter:brightness(.83) saturate(.78);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:
  radial-gradient(circle at 80% 4%,color-mix(in srgb,var(--cyan) 10%,transparent),transparent 28%),
  linear-gradient(180deg,var(--bg2),var(--bg));
  color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.6;transition:background .25s,color .25s
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
.wrap{width:min(1240px,calc(100% - 44px));margin:auto}
header{
  position:fixed;z-index:50;top:0;left:0;right:0;
  background:var(--header);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line)
}
nav{height:78px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto;letter-spacing:.20em;font-weight:700;font-size:.9rem}
.brand img{width:39px;height:39px;object-fit:contain}
.navlinks{display:flex;align-items:center;gap:20px;color:var(--muted);font-size:.89rem}
.navlinks a:hover{color:var(--cyan2)}
.nav-actions{display:flex;align-items:center;gap:9px}
.navcta,.btn,.theme-toggle{
  border:1px solid color-mix(in srgb,var(--cyan) 55%,var(--line));
  border-radius:999px;padding:11px 17px;background:color-mix(in srgb,var(--surface) 80%,transparent);
  color:var(--text);transition:.2s;cursor:pointer
}
.theme-toggle{display:flex;align-items:center;gap:7px;padding:10px 13px}
.theme-label{font-size:.78rem}
.navcta:hover,.btn:hover,.theme-toggle:hover{transform:translateY(-1px);border-color:var(--cyan);box-shadow:0 10px 35px color-mix(in srgb,var(--cyan) 11%,transparent)}
.btn.primary{background:linear-gradient(135deg,#00e5d7,#12bad8);color:#001519;font-weight:800;border:0}
.btn.ghost{background:color-mix(in srgb,var(--surface) 78%,transparent)}
.hero{min-height:100vh;padding:142px 0 84px;display:grid;place-items:center;position:relative;overflow:hidden}
.hero:before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,color-mix(in srgb,var(--bg) 98%,transparent) 0%,color-mix(in srgb,var(--bg) 87%,transparent) 43%,color-mix(in srgb,var(--bg) 25%,transparent) 73%,color-mix(in srgb,var(--bg) 72%,transparent) 100%),
    url("/static/assets/cognitive-twin-hero.jpg") right center/60% auto no-repeat;
  filter:var(--hero-filter);opacity:.98
}
.hero:after{content:"";position:absolute;left:-10%;bottom:-40%;width:70%;height:80%;background:radial-gradient(circle,color-mix(in srgb,var(--cyan) 12%,transparent),transparent 60%)}
.hero .wrap{position:relative;z-index:2}
.eyebrow{font-size:.79rem;letter-spacing:.23em;text-transform:uppercase;color:var(--cyan2);font-weight:800}
.hero h1{font-size:clamp(3.4rem,7vw,7.8rem);line-height:.90;max-width:870px;margin:22px 0 25px;letter-spacing:-.06em;color:var(--heading)}
.hero h1 span{display:block;color:transparent;-webkit-text-stroke:1px color-mix(in srgb,var(--heading) 48%,transparent)}
.hero p{max-width:720px;color:var(--muted);font-size:clamp(1.08rem,2vw,1.3rem)}
.ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:31px}
.statusline{display:flex;gap:9px;flex-wrap:wrap;margin-top:38px}
.pill{border:1px solid var(--line);padding:8px 12px;border-radius:999px;color:var(--muted);font-size:.79rem;background:color-mix(in srgb,var(--surface) 64%,transparent)}
section{padding:104px 0;border-top:1px solid color-mix(in srgb,var(--line) 70%,transparent)}
.sectionhead{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:end;margin-bottom:44px}
.sectionhead h2{font-size:clamp(2.4rem,4vw,4.7rem);letter-spacing:-.05em;line-height:1;margin:12px 0 0;color:var(--heading)}
.sectionhead p{color:var(--muted);margin:0;max-width:620px;font-size:1.02rem}
.grid2,.grid3,.grid4{display:grid;gap:18px}
.grid2{grid-template-columns:repeat(2,1fr)}
.grid3{grid-template-columns:repeat(3,1fr)}
.grid4{grid-template-columns:repeat(4,1fr)}
.card{
  background:linear-gradient(180deg,color-mix(in srgb,var(--surface) 90%,transparent),color-mix(in srgb,var(--panel-solid) 90%,transparent));
  border:1px solid var(--line);border-radius:22px;padding:27px;box-shadow:var(--shadow)
}
.card h3{margin:12px 0 10px;font-size:1.2rem;color:var(--heading)}
.card p{color:var(--muted);margin:0}
.icon{width:43px;height:43px;border:1px solid color-mix(in srgb,var(--cyan) 45%,var(--line));border-radius:13px;display:grid;place-items:center;color:var(--cyan2);background:color-mix(in srgb,var(--cyan) 6%,transparent);font-weight:900}
.human-principle{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
.human-principle .visual{border-radius:26px;overflow:hidden;border:1px solid var(--line);position:relative;background:var(--surface)}
.human-principle .visual img{min-height:500px;object-fit:cover;width:100%}
.quote{font-size:clamp(2.2rem,3.7vw,4.2rem);line-height:1.04;letter-spacing:-.04em;margin:10px 0 24px;color:var(--heading)}
.quote b{color:var(--cyan2)}
.layers{display:grid;gap:8px;margin:27px 0}
.layer{display:grid;grid-template-columns:43px 1fr;gap:14px;align-items:start;padding:14px 0;border-bottom:1px solid var(--line)}
.layer strong{display:block;margin-bottom:2px;color:var(--heading)}
.layer span{color:var(--muted);font-size:.95rem}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.timeline .card{min-height:310px}
.kicker{font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan2);font-weight:800}
.big-num{font-size:3.35rem;line-height:1;font-weight:850;color:var(--heading);margin:19px 0 6px}
.current-list{padding:0;margin:18px 0 0;list-style:none;display:grid;gap:9px}
.current-list li{color:var(--muted)}
.current-list li:before{content:"•";color:var(--cyan);margin-right:10px}
.horizon{
  position:relative;overflow:hidden;border:1px solid color-mix(in srgb,var(--cyan) 25%,var(--line));
  border-radius:30px;padding:48px;background:
  radial-gradient(circle at 84% 12%,color-mix(in srgb,var(--cyan) 12%,transparent),transparent 30%),
  linear-gradient(125deg,color-mix(in srgb,var(--surface2) 88%,transparent),color-mix(in srgb,var(--surface) 90%,transparent))
}
.horizon h2{max-width:870px;font-size:clamp(2.5rem,4.3vw,5rem);letter-spacing:-.05em;line-height:.98;margin:12px 0 20px;color:var(--heading)}
.horizon .lead{font-size:1.13rem;max-width:880px;color:var(--muted)}
.horizon-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}
.horizon-item{padding:22px;border:1px solid var(--line);border-radius:18px;background:color-mix(in srgb,var(--panel-solid) 77%,transparent)}
.horizon-item h3{color:var(--heading);margin:8px 0}
.research-note{margin-top:24px;border-left:2px solid var(--cyan);padding-left:17px;color:var(--muted);max-width:950px}
.pathways .card{display:flex;flex-direction:column}
.pathways .card .btn{margin-top:auto;align-self:flex-start}
.support-banner{
  position:relative;overflow:hidden;background:linear-gradient(120deg,color-mix(in srgb,var(--surface2) 92%,transparent),color-mix(in srgb,var(--surface) 88%,transparent));
  border:1px solid color-mix(in srgb,var(--cyan) 28%,var(--line));border-radius:30px;padding:48px
}
.support-banner:after{content:"";position:absolute;right:-80px;top:-90px;width:360px;height:360px;border-radius:50%;border:1px solid color-mix(in srgb,var(--cyan) 15%,transparent);box-shadow:0 0 80px color-mix(in srgb,var(--cyan) 10%,transparent)}
.support-banner h2{font-size:clamp(2.3rem,4vw,4.6rem);letter-spacing:-.045em;line-height:1;margin:0 0 16px;max-width:820px;color:var(--heading)}
.support-banner p{max-width:780px;color:var(--muted)}
.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
form{display:grid;gap:14px}
input,select,textarea{width:100%;background:var(--input);border:1px solid var(--line);color:var(--text);border-radius:13px;padding:14px 15px}
textarea{min-height:120px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:1px solid var(--cyan);border-color:var(--cyan)}
label{font-size:.87rem;color:var(--muted)}
.check{display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:.88rem}
.check input{width:auto;margin-top:4px}
.hp{position:absolute!important;left:-10000px!important}
.message{min-height:22px;color:var(--cyan2);font-size:.94rem}
.faq{display:grid;gap:10px}
details{border:1px solid var(--line);border-radius:16px;padding:17px 19px;background:color-mix(in srgb,var(--surface) 74%,transparent)}
summary{cursor:pointer;font-weight:750;color:var(--heading)}
details p{color:var(--muted)}
footer{padding:52px 0 72px;border-top:1px solid var(--line);color:var(--muted)}
.foot{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:28px}
.footlinks{display:grid;gap:8px}
.foot a:hover{color:var(--cyan2)}
.note{font-size:.82rem;color:var(--soft)}
.reveal{opacity:0;transform:translateY(18px);transition:.7s ease}
.reveal.visible{opacity:1;transform:none}
.support-page{padding:132px 0 82px;min-height:100vh}
.page-intro{max-width:870px;margin-bottom:38px}
.page-intro h1{font-size:clamp(2.8rem,5vw,5.6rem);line-height:.96;letter-spacing:-.055em;margin:13px 0 18px;color:var(--heading)}
.page-intro p{font-size:1.08rem;color:var(--muted);max-width:740px}
.amounts{display:flex;gap:10px;flex-wrap:wrap}
.amount{cursor:pointer;border:1px solid var(--line);background:var(--input);color:var(--text);border-radius:12px;padding:12px 16px;font-weight:750}
.amount.active{border-color:var(--cyan);color:var(--cyan2);background:color-mix(in srgb,var(--cyan) 7%,var(--input))}
.paypal-box{margin-top:20px;min-height:56px}
.support-disclaimer{border-left:2px solid var(--cyan);padding-left:16px;color:var(--muted);font-size:.9rem}
.legal-card{max-width:920px}
.legal-card p{font-size:1rem;margin:0 0 16px}
.press-assets{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.press-preview{aspect-ratio:16/10;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:var(--surface2);display:grid;place-items:center}
.press-preview img{width:100%;height:100%;object-fit:cover}
.press-preview.logo img{object-fit:contain;padding:35px}
@media(max-width:980px){
 .navlinks{display:none}
 .sectionhead,.human-principle,.grid2,.grid3,.grid4,.timeline,.horizon-grid,.foot,.press-assets{grid-template-columns:1fr}
 .hero:before{background:linear-gradient(90deg,color-mix(in srgb,var(--bg) 96%,transparent),color-mix(in srgb,var(--bg) 70%,transparent)),url("/static/assets/cognitive-twin-hero.jpg") center/cover no-repeat}
 .human-principle .visual img{min-height:360px}
 .theme-label{display:none}
}
@media(max-width:620px){
 .wrap{width:min(100% - 24px,1240px)}
 nav{height:70px;gap:9px}
 .brand{letter-spacing:.13em;font-size:.82rem}
 .brand img{width:34px;height:34px}
 .navcta{display:none}
 .hero{padding-top:116px}
 section{padding:78px 0}
 .formgrid{grid-template-columns:1fr}
 .support-banner,.horizon{padding:29px 22px}
}

/* V2.3 PayPal return/cancel/status pages */
.status-shell{max-width:900px}
.status-card{padding:clamp(28px,5vw,52px)}
.status-card h1{font-size:clamp(2.4rem,5vw,4.9rem);line-height:.98;letter-spacing:-.05em;margin:16px 0 18px;color:var(--heading)}
.status-card>p{color:var(--muted);font-size:1.05rem;max-width:760px}
.status-badge{display:inline-flex;margin-top:22px;padding:8px 12px;border-radius:999px;border:1px solid var(--line);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;font-weight:850}
.status-badge.success{color:var(--cyan2);border-color:color-mix(in srgb,var(--cyan) 55%,var(--line));background:color-mix(in srgb,var(--cyan) 8%,transparent)}
.status-badge.processing{color:var(--heading);background:color-mix(in srgb,var(--surface2) 80%,transparent)}
.status-badge.warning{color:var(--heading);border-color:color-mix(in srgb,#dba84a 55%,var(--line));background:color-mix(in srgb,#dba84a 9%,transparent)}
.status-badge.neutral{color:var(--muted);background:color-mix(in srgb,var(--surface2) 80%,transparent)}
.status-details{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0}
.status-details>div{border:1px solid var(--line);border-radius:15px;padding:15px;background:color-mix(in srgb,var(--surface2) 72%,transparent);min-width:0}
.status-details span{display:block;color:var(--muted);font-size:.76rem;text-transform:uppercase;letter-spacing:.12em;margin-bottom:6px}
.status-details strong{display:block;color:var(--heading);overflow-wrap:anywhere}
@media(max-width:620px){.status-details{grid-template-columns:1fr}.status-card{padding:26px 20px}}

/* V2.5 Research integrity surface */
.research-page{padding-bottom:40px}
.research-section{padding:72px 0}
.sectionhead.compact{margin-bottom:30px}
.sectionhead.compact h2{font-size:clamp(2rem,3.5vw,4rem)}
.discipline-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.status-class{display:grid;grid-template-columns:72px 1fr;gap:20px;padding:26px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(180deg,color-mix(in srgb,var(--surface) 92%,transparent),color-mix(in srgb,var(--panel-solid) 90%,transparent));box-shadow:var(--shadow)}
.status-letter{width:62px;height:62px;border-radius:18px;display:grid;place-items:center;font-size:2rem;font-weight:900;border:1px solid color-mix(in srgb,var(--cyan) 38%,var(--line));color:var(--cyan2);background:color-mix(in srgb,var(--cyan) 7%,transparent)}
.status-class h3{margin:.45rem 0 .8rem;font-size:1.35rem;color:var(--heading)}
.status-class .current-list{margin-top:10px}
.status-a{border-color:color-mix(in srgb,var(--cyan) 36%,var(--line))}
.status-d{border-style:dashed}
.flow-lanes{display:grid;gap:18px}
.flow-lane{padding:25px;border:1px solid var(--line);border-radius:22px;background:color-mix(in srgb,var(--surface) 80%,transparent)}
.flow-lane p{color:var(--muted);margin:14px 0 0}
.flow-chain{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:15px}
.flow-chain span{padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--input);color:var(--heading);font-weight:700;font-size:.9rem}
.flow-chain b{color:var(--cyan2);font-weight:900}
.expert-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.expert-grid .card{display:flex;flex-direction:column;min-height:270px}
.text-link{margin-top:auto;padding-top:18px;color:var(--cyan2);font-weight:750}
.ledger-card{padding:26px}
.ledger-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}
.ledger-head h3{font-size:1.6rem;margin:.4rem 0 0}
.mission-ledger{display:grid;gap:10px}
.mission-row{display:grid;grid-template-columns:minmax(150px,1fr) 1.2fr .7fr .7fr;gap:12px;align-items:center;padding:14px 15px;border:1px solid var(--line);border-radius:14px;background:color-mix(in srgb,var(--surface2) 64%,transparent)}
.mission-row code{color:var(--cyan2);font-size:.84rem;overflow-wrap:anywhere}
.mission-row span{color:var(--muted);font-size:.9rem}
.mission-empty{padding:18px;border:1px dashed var(--line);border-radius:14px;color:var(--muted)}
@media(max-width:1100px){.expert-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.discipline-grid,.expert-grid{grid-template-columns:1fr}.status-class{grid-template-columns:1fr}.mission-row{grid-template-columns:1fr}.ledger-head{align-items:flex-start;flex-direction:column}}

/* TRANSFERENCE-SCIENCE-V0.1-TEASER */
.science-teaser{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--surface2) 45%,transparent)}