/* QuantAlpha — cinematic institutional theme. Loads after qa.css and overrides its tokens/components. */
:root{
  --bg:#05070c; --bg2:#080c13; --panel:#0b1119; --panel2:#0f1620; --line:#1a2330; --line2:#293546;
  --text:#e7eaf0; --dim:#9ca7ba; --faint:#667286;
  --gold:#c9b98c; --gold2:#e8dfc4; --gold-soft:rgba(201,185,140,.1);
  --cyan:#62d6e8; --teal:#1f8f9c; --steel:#7fb4d4;
  --up:#4cc38a; --down:#e0645c;
  --ease:cubic-bezier(.22,.8,.2,1);
}
html{background:var(--bg)}
body{background:var(--bg);letter-spacing:.005em}
::selection{background:rgba(98,214,232,.25)}

/* ---------- loader ---------- */
.loader{position:fixed;inset:0;z-index:1000;background:#030508;display:grid;place-items:center;transition:opacity .9s var(--ease),visibility .9s}
.loader.done{opacity:0;visibility:hidden;pointer-events:none}
.loader .lw{font-family:var(--serif);font-size:clamp(22px,4vw,40px);letter-spacing:.5em;color:var(--text);padding-left:.5em;white-space:nowrap}
.loader .lw span{display:inline-block;opacity:0;transform:translateY(10px);animation:lin .9s var(--ease) forwards}
.loader .lline{display:block;height:1px;margin:22px auto 0;width:0;background:linear-gradient(90deg,transparent,var(--cyan),transparent);animation:lwid 1.6s .4s var(--ease) forwards}
.loader .lsub{display:block;text-align:center;margin-top:16px;font-size:10px;letter-spacing:.42em;text-transform:uppercase;color:var(--faint);opacity:0;animation:lin .9s 1s var(--ease) forwards}
@keyframes lin{to{opacity:1;transform:none}}
@keyframes lwid{to{width:min(360px,70vw)}}

/* ---------- header ---------- */
.top{position:fixed;left:0;right:0;top:0;background:linear-gradient(rgba(5,7,12,.78),rgba(5,7,12,0));border-bottom:1px solid transparent;backdrop-filter:none;-webkit-backdrop-filter:none;transition:background .5s var(--ease),border-color .5s,backdrop-filter .5s}
.top.scrolled{background:rgba(5,7,12,.82);border-color:var(--line);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.top .wrap{height:76px;max-width:1360px}
.brand{gap:14px}
.brand .logo{height:40px;padding:2px 8px;border-radius:2px;opacity:.95}
.brand .bt b{font-size:17px;letter-spacing:.34em;font-weight:500}
.brand .bt span{font-size:8.5px;letter-spacing:.34em;color:var(--faint);margin-top:6px}
.nav{gap:30px}
.nav a{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--dim);padding:10px 0;border-bottom:1px solid transparent}
.nav a:hover{color:var(--text)}
.nav a.on{color:var(--text);border-color:var(--cyan)}
.nav li+li{position:relative}
.nav li+li::before{content:"";position:absolute;left:-16px;top:50%;width:1px;height:12px;background:var(--line2);transform:translateY(-50%)}

.btn{background:transparent;color:var(--text);border:1px solid rgba(231,234,240,.42);border-radius:0;letter-spacing:.22em;font-weight:500;font-size:11.5px;padding:15px 28px;transition:border-color .35s var(--ease),color .35s,background .35s}
.btn::after{content:"\2192";letter-spacing:0;transition:transform .35s var(--ease)}
.btn:hover{background:rgba(98,214,232,.07);border-color:var(--cyan);color:var(--cyan);transform:none}
.btn:hover::after{transform:translateX(5px)}
.btn.ghost{border-color:var(--line2);color:var(--dim)}
.btn.ghost:hover{color:var(--cyan)}
.btn.sm{padding:11px 20px;font-size:10.5px}
.btn.sm::after{display:none}
.btn.off::after{display:none}
.hdr-cta .btn.sm{border-color:rgba(231,234,240,.3)}

/* ---------- scene canvases ---------- */
.scene{position:absolute;inset:0;width:100%;height:100%;display:block}
.cine-hero{position:relative;overflow:hidden;background:#05070c}
.cine-hero::before{display:none}
.cine-hero .wrap{position:relative;z-index:2}
.hero.slim.cine-hero{min-height:440px;padding:158px 0 76px;display:flex;align-items:flex-end;border-bottom:1px solid var(--line)}
.hero.slim.cine-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,7,12,.82) 0%,rgba(5,7,12,.35) 55%,rgba(5,7,12,.1) 100%),linear-gradient(rgba(5,7,12,0) 55%,var(--bg) 100%);pointer-events:none}
.hero.slim.cine-hero .wrap{display:block}
.hero.slim h1{font-size:clamp(34px,5vw,60px);font-weight:400}
.eyebrow{color:var(--cyan);letter-spacing:.34em;font-size:10.5px}
.eyebrow::before{background:var(--cyan);width:40px;opacity:.7}
h1,h2,h3{font-weight:400}
h1 em{color:var(--gold2);font-style:italic}

/* ---------- home hero ---------- */
.hero-main{min-height:100vh;display:flex;align-items:flex-end;padding:0}
.hero-main::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(rgba(5,7,12,0) 62%,var(--bg) 100%)}
.hero-copy{position:relative;z-index:2;padding:0 0 clamp(70px,13vh,150px);max-width:760px}
.hero-copy h1{font-size:clamp(40px,6.4vw,92px);line-height:1;margin:22px 0 22px;letter-spacing:-.025em;font-weight:400}
.hero-copy h1 span{display:block;overflow:hidden}
.hero-copy h1 span i{display:block;font-style:normal;transform:translateY(105%);animation:rise 1.4s var(--ease) forwards;animation-delay:var(--d,0s)}
.hero-copy h1 span:last-child i{color:var(--gold2);font-style:italic}
@keyframes rise{to{transform:none}}
.hero-copy .sub2{font-size:clamp(12px,1.2vw,14px);letter-spacing:.3em;text-transform:uppercase;color:var(--dim);margin:0 0 26px;line-height:2}
.hero-copy .intro{max-width:560px;color:var(--dim);font-size:16px;margin:0 0 38px;line-height:1.75}
.fadeup{opacity:0;transform:translateY(16px);animation:fup 1.2s var(--ease) forwards;animation-delay:var(--d,0s)}
@keyframes fup{to{opacity:1;transform:none}}
body.loading .hero-copy h1 span i,body.loading .fadeup{animation-play-state:paused}
.scrollcue{position:absolute;z-index:2;left:50%;bottom:26px;transform:translateX(-50%);font-size:9.5px;letter-spacing:.4em;text-transform:uppercase;color:var(--faint);display:flex;flex-direction:column;align-items:center;gap:12px}
.scrollcue i{width:1px;height:42px;background:linear-gradient(var(--cyan),transparent);animation:cue 2.4s ease-in-out infinite;transform-origin:top}
@keyframes cue{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}

/* ---------- generic cinematic section ---------- */
.csec{position:relative;padding:clamp(90px,15vh,190px) 0;border:0;background:var(--bg)}
.csec.alt{background:linear-gradient(var(--bg),#070b11 40%,var(--bg))}
.csec .wrap{max-width:1240px;position:relative;z-index:2}
.kick{display:flex;align-items:center;gap:16px;font-size:10.5px;letter-spacing:.36em;text-transform:uppercase;color:var(--cyan)}
.kick b{font-weight:400;color:var(--faint);font-family:var(--mono);letter-spacing:.2em}
.kick::after{content:"";height:1px;width:70px;background:var(--line2)}
.disp{font-family:var(--serif);font-weight:400;font-size:clamp(34px,5.2vw,74px);line-height:1.04;letter-spacing:-.022em;margin:24px 0 24px;max-width:15ch}
.disp.wide{max-width:22ch}
.lead2{font-size:clamp(16px,1.5vw,19px);color:var(--dim);max-width:640px;line-height:1.8}
.rv{opacity:0;transform:translateY(34px);transition:opacity 1.1s var(--ease),transform 1.1s var(--ease);transition-delay:var(--d,0s)}
.rv.in{opacity:1;transform:none}
.note2{font-size:12.5px;color:var(--faint);letter-spacing:.02em;max-width:640px}
.hair{height:1px;background:linear-gradient(90deg,transparent,var(--line2),transparent);border:0;margin:0}

/* intro strip */
.assets{display:flex;flex-wrap:wrap;gap:12px 40px;padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.assets span{font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--dim)}
.assets span::before{content:"";display:inline-block;width:5px;height:5px;background:var(--cyan);margin-right:14px;opacity:.7;vertical-align:middle}

/* ---------- A: philosophy (sticky assembling structure) ---------- */
.philo{position:relative;height:420vh;background:var(--bg)}
.philo-stick{position:sticky;top:0;height:100vh;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(30px,6vw,110px);align-items:center;max-width:1240px;margin:0 auto;padding:0 24px}
.philo-copy .disp{max-width:12ch}
.themes{list-style:none;margin:38px 0 0;padding:0;display:grid;gap:0}
.themes li{display:grid;grid-template-columns:42px 1fr;gap:14px;padding:18px 0;border-top:1px solid var(--line);opacity:.34;transition:opacity .8s var(--ease)}
.themes li:last-child{border-bottom:1px solid var(--line)}
.themes li.on{opacity:1}
.themes li b{font-family:var(--mono);font-weight:400;font-size:12px;color:var(--cyan);padding-top:4px}
.themes li h3{font-size:19px;margin:0 0 4px;letter-spacing:.01em}
.themes li p{margin:0;font-size:14.5px;color:var(--dim);max-height:0;overflow:hidden;opacity:0;transition:max-height .9s var(--ease),opacity .9s}
.themes li.on p{max-height:120px;opacity:1}
.mathsvg{width:100%;height:auto;max-height:76vh;display:block;overflow:visible}
.mathsvg .st{fill:none;stroke:var(--silver,#9ca7ba);stroke-width:1;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:100;stroke-dashoffset:calc(100 - 100 * var(--p,0));transition:stroke-dashoffset .2s linear}
.mathsvg .cy{stroke:var(--cyan)}
.mathsvg .ch{stroke:var(--gold)}
.mathsvg .fl{fill:rgba(98,214,232,.08);opacity:calc(var(--p,0))}
.mathsvg .dot{fill:var(--cyan);opacity:calc(var(--p,0))}
.mathsvg .bar{transform-box:fill-box;transform-origin:left center;transform:scaleX(var(--p,0));fill:rgba(156,167,186,.38)}
.mathsvg .bar.a{transform-origin:right center;fill:rgba(98,214,232,.32)}
.mathsvg g.grp{transition:opacity .9s var(--ease);opacity:.3}
.mathsvg g.grp.on{opacity:1}
.mathsvg text{font:10px var(--mono);fill:var(--faint);letter-spacing:.14em;text-transform:uppercase}

/* ---------- B: intelligence engine ---------- */
.engine{position:relative;margin-top:70px;padding:44px 0 10px}
.engine canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.stages{position:relative;display:grid;grid-template-columns:repeat(6,1fr);gap:0;list-style:none;margin:0;padding:0}
.stage{position:relative;padding:0 14px 0 0}
.stage .dot{display:block;width:12px;height:12px;border:1px solid var(--cyan);border-radius:50%;margin:0 0 150px;background:var(--bg);position:relative;z-index:2;box-shadow:0 0 0 6px rgba(98,214,232,.06)}
.stage .n{font-family:var(--mono);font-size:11px;color:var(--faint);letter-spacing:.16em}
.stage h3{font-size:19px;margin:8px 0 8px;letter-spacing:.01em}
.stage p{font-size:13.5px;color:var(--dim);margin:0;line-height:1.7}
.stage:nth-child(5) .dot{border-color:var(--gold);box-shadow:0 0 0 6px rgba(201,185,140,.07)}
.stage:nth-child(6) .dot{border-color:var(--gold)}
.engine-foot{margin-top:46px;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.engine-foot div{padding:22px 22px 0 0;font-size:13.5px;color:var(--dim)}
.engine-foot b{display:block;font-weight:500;color:var(--text);font-size:13px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:6px}

/* ---------- C: infrastructure ---------- */
.infra{position:relative;overflow:hidden;background:#04060a}
.infra .scene{opacity:.95}
.infra::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(var(--bg) 0%,rgba(5,7,12,0) 22%,rgba(5,7,12,0) 55%,var(--bg) 100%),linear-gradient(90deg,rgba(5,7,12,.82),rgba(5,7,12,.2) 60%,rgba(5,7,12,.5));pointer-events:none}
.infra-list{margin-top:60px;display:grid;grid-template-columns:repeat(2,1fr);column-gap:70px}
.irow{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:22px 0;border-top:1px solid rgba(156,167,186,.2);transition:border-color .5s}
.irow:hover{border-color:var(--cyan)}
.irow b{font-family:var(--mono);font-weight:400;font-size:12px;color:var(--cyan);padding-top:5px}
.irow h3{font-size:20px;margin:0 0 6px}
.irow p{margin:0;font-size:14px;color:var(--dim);max-width:46ch}
.irow .live{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);display:inline-block;margin-top:8px}

/* ---------- D: risk ---------- */
.risk{background:linear-gradient(var(--bg),#070a0f 50%,var(--bg))}
.risk-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,6vw,100px);align-items:center;margin-top:30px}
.risksvg{width:100%;height:auto;display:block;overflow:visible}
.risksvg .rg{fill:none;stroke:var(--line2);stroke-width:1}
.risksvg .rs{fill:none;stroke:var(--steel);stroke-width:1.2;stroke-linecap:round;stroke-dasharray:100;stroke-dashoffset:calc(100 - 100 * var(--p,0));transition:stroke-dashoffset .2s linear}
.risksvg .rs.ch{stroke:var(--gold)}
.risksvg .rs.cy{stroke:var(--cyan)}
.risksvg .fill{fill:rgba(201,185,140,.14);opacity:var(--p,0)}
.risksvg .thr{stroke:var(--gold);stroke-dasharray:3 5;stroke-width:1;opacity:var(--p,0)}
.risksvg text{font:10px var(--mono);fill:var(--faint);letter-spacing:.16em;text-transform:uppercase}
.risksvg .ray{stroke:var(--line2);stroke-width:1}
.risk-points{list-style:none;margin:34px 0 0;padding:0;display:grid;gap:0}
.risk-points li{padding:18px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:150px 1fr;gap:20px;font-size:14.5px;color:var(--dim)}
.risk-points li:last-child{border-bottom:1px solid var(--line)}
.risk-points b{font-weight:500;color:var(--text);font-size:12px;letter-spacing:.18em;text-transform:uppercase;padding-top:2px}

/* ---------- E: campus ---------- */
.campus{position:relative;overflow:hidden;min-height:92vh;display:flex;align-items:center;background:#05070c}
.campus::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(var(--bg) 0%,rgba(5,7,12,0) 25%,rgba(5,7,12,0) 70%,var(--bg) 100%),linear-gradient(90deg,rgba(5,7,12,.86),rgba(5,7,12,.1) 65%)}
.campus .wrap{position:relative;z-index:2}
.concept{display:inline-block;margin-top:34px;font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--faint);border:1px solid var(--line2);padding:7px 13px}
.reqs{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:56px;border-top:1px solid rgba(156,167,186,.22)}
.reqs div{padding:22px 26px 0 0;font-size:13.5px;color:var(--dim)}
.reqs b{display:block;color:var(--text);font-family:var(--serif);font-weight:400;font-size:19px;margin-bottom:6px}

/* ---------- investor / portals duo ---------- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.duo>div{padding:clamp(34px,5vw,64px) clamp(0px,3vw,48px) clamp(34px,5vw,64px) 0}
.duo>div+div{padding-left:clamp(24px,5vw,64px);border-left:1px solid var(--line)}
.duo h3{font-size:clamp(24px,2.6vw,34px);margin:14px 0 12px}
.duo p{color:var(--dim);max-width:46ch;margin:0 0 26px}
.tagc{font-size:10px;letter-spacing:.28em;text-transform:uppercase;color:var(--gold)}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,100px);margin-top:30px}
.profile{margin:0}
.profile div{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:16px 0;border-top:1px solid var(--line);font-size:15px}
.profile div:last-child{border-bottom:1px solid var(--line)}
.profile dt{font-size:10.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--faint);padding-top:3px}
.profile dd{margin:0;color:var(--text)}
details{background:transparent;border:0;border-top:1px solid var(--line);margin:0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{padding:20px 0;font-weight:400;font-size:16px}
details .body{padding:0 0 20px}

/* ---------- final ---------- */
.final{position:relative;overflow:hidden;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background:#04060a}
.final::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(var(--bg) 0%,rgba(5,7,12,.2) 30%,rgba(5,7,12,.45) 80%,var(--bg) 100%)}
.final .wrap{position:relative;z-index:2}
.final .mark{font-family:var(--serif);letter-spacing:.6em;padding-left:.6em;font-size:clamp(13px,1.6vw,18px);color:var(--dim);margin-bottom:34px}
.final h2{font-size:clamp(28px,4.6vw,66px);line-height:1.08;letter-spacing:-.015em;max-width:20ch;margin:0 auto 26px}
.final p{max-width:56ch;margin:0 auto 38px;color:var(--dim);font-size:clamp(15px,1.4vw,18px)}
.final .cta{justify-content:center}

/* ---------- inner page theming (components inherit tokens) ---------- */
section.sec{border-color:var(--line);padding:clamp(70px,11vh,130px) 0}
section.sec.alt{background:linear-gradient(var(--bg),#070b11 40%,var(--bg))}
.grid{background:var(--line);border-color:var(--line)}
.cell{background:var(--bg)}
.alt .cell{background:#070b10}
.cell .k,.num,.tag{color:var(--cyan);border-color:var(--cyan)}
.num{font-family:var(--mono);letter-spacing:.18em}
.cell .k{color:var(--cyan)}
.tag.live{border-color:var(--gold);color:var(--gold)}
.tag.dim{color:var(--faint);border-color:var(--line2)}
.step b,.compare th.us,.tabbar button[aria-selected="true"]{color:var(--gold2)}
.tabbar button[aria-selected="true"]{border-color:var(--cyan)}
.pull{border-left-color:var(--cyan)}
.checks li::before,.checks li::after{border-color:var(--cyan)}
.compare td.us{background:rgba(98,214,232,.05)}
.cell li::before{background:var(--cyan)}
fieldset{background:rgba(11,17,25,.6)}
legend{color:var(--cyan)}
.alert{border-color:var(--gold);background:var(--gold-soft)}
input:focus,select:focus,textarea:focus{outline:1px solid var(--cyan);border-color:var(--cyan)}
.opt input,input[type=range]{accent-color:var(--cyan)}
.big{color:var(--gold2)}
.kv b,.rng .l b{color:var(--gold2)}
.crow svg,.portal .ic{color:var(--cyan)}
footer{background:#04060a;border-top:1px solid var(--line)}
footer h4{color:var(--cyan)}
footer .brand .logo{height:44px}
footer a:hover{color:var(--cyan)}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .nav li+li::before{display:none}.nav{gap:20px}
  .stages{grid-template-columns:repeat(3,1fr);row-gap:60px}
  .engine-foot,.reqs{grid-template-columns:1fr 1fr}
}
@media (max-width:1040px){
  .nav{display:none}.menu-btn{display:grid}
  .philo{height:auto}
  .philo-stick{position:relative;height:auto;grid-template-columns:1fr;padding:90px 24px}
  .themes li{opacity:1}.themes li p{max-height:none;opacity:1}
  .mathsvg g.grp{opacity:1}.mathsvg .st{stroke-dashoffset:0}.mathsvg .bar{transform:none}.mathsvg .fl,.mathsvg .dot{opacity:1}
  .risk-grid,.about-grid,.duo{grid-template-columns:1fr}
  .duo>div+div{border-left:0;border-top:1px solid var(--line);padding-left:0}
  .infra-list{grid-template-columns:1fr}
}
@media (max-width:760px){
  .top .wrap{height:66px}
  .brand .bt span{display:none}.brand .bt b{font-size:14px;letter-spacing:.26em}
  .hdr-cta .btn.sm{display:none}
  .stages{grid-template-columns:1fr;row-gap:0}
  .stage{padding:0 0 34px 34px;border-left:1px solid var(--line2);margin-left:6px}
  .stage .dot{position:absolute;left:-7px;top:0;margin:0}
  .engine{margin-top:44px}
  .engine-foot,.reqs{grid-template-columns:1fr}
  .risk-points li{grid-template-columns:1fr;gap:4px}
  .profile div{grid-template-columns:1fr;gap:4px}
  .hero-copy .intro{font-size:15px}
  .scrollcue{display:none}
  .rv{transform:translateY(20px)}
}
@media (prefers-reduced-motion:reduce){
  .loader{display:none}
  .hero-copy h1 span i{transform:none;animation:none}.fadeup{opacity:1;transform:none;animation:none}
  .rv{opacity:1;transform:none;transition:none}
  .scrollcue i{animation:none}
  .mathsvg .st,.risksvg .rs{stroke-dashoffset:0}
}