/* Rewired Identity™ — v3 design system
   Tokens and section specs per design.md §2. Neural Premium:
   black/light full-bleed alternation, oversized display type,
   indigo/amber/teal accent layer. */

:root{
  --black:#0A0C16;
  --navy:#1A1E3A;
  --indigo:#2B3654;
  --ice:#EAF1F8;
  --bone:#F5F7FA;
  --studio:#F0F1F3;
  --graphite:#3C4656;
  --amber:#F5A623;
  --teal:#2BC6C7;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:'Mulish',sans-serif;color:var(--graphite);background:var(--bone);font-size:18px;line-height:1.6;overflow-x:hidden;}
img{max-width:100%;}
h1,h2,h3,h4{font-family:'Hanken Grotesk',sans-serif;color:var(--navy);line-height:1.08;letter-spacing:-0.02em;}

/* ---------- Section rhythm (full-bleed alternation) ---------- */
section{padding:130px 24px;position:relative;}
.wrap{max-width:1200px;margin:0 auto;position:relative;z-index:2;}
.s-black{background:var(--black);}
.s-navy{background:var(--navy);}
.s-ice{background:var(--ice);}
.s-bone{background:var(--bone);}
.dark{color:rgba(245,247,250,0.82);}
.dark h1,.dark h2,.dark h3,.dark h4{color:var(--bone);}

/* ---------- Type ---------- */
.display{font-size:clamp(56px,7.5vw,96px);font-weight:800;line-height:1.02;}
h2.sec{font-size:clamp(38px,5vw,64px);font-weight:800;margin-bottom:22px;}
h3{font-weight:700;font-size:24px;}
.eyebrow{font-family:'Hanken Grotesk',sans-serif;font-weight:700;font-size:13px;letter-spacing:0.18em;text-transform:lowercase;color:var(--teal);margin-bottom:20px;display:flex;align-items:center;gap:12px;}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--teal);flex:none;}
.eyebrow.center{justify-content:center;}
.lede{font-size:19px;max-width:640px;margin-bottom:40px;}
.dark .lede{color:rgba(245,247,250,0.8);}
.stat{font-family:'Hanken Grotesk',sans-serif;font-weight:800;font-size:clamp(64px,8vw,120px);line-height:1;color:var(--amber);}
.stat.teal{color:var(--teal);}

/* ---------- Buttons ---------- */
.btn{display:inline-block;background:var(--amber);color:var(--navy);font-family:'Hanken Grotesk',sans-serif;font-weight:700;font-size:17px;padding:17px 38px;border-radius:10px;text-decoration:none;box-shadow:0 8px 28px rgba(245,166,35,0.35);transition:transform .18s ease,box-shadow .18s ease;}
.btn:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(245,166,35,0.45);}
.btn.ghost{background:transparent;color:var(--bone);border:1.5px solid rgba(245,247,250,0.35);box-shadow:none;}
.btn.ghost:hover{border-color:var(--teal);box-shadow:none;}
.btn.ghost.on-light{color:var(--navy);border-color:rgba(43,54,84,0.35);}
.btn.ghost.on-light:hover{border-color:var(--teal);}
.micro{font-size:13.5px;margin-top:16px;opacity:0.72;}
.textlink{font-family:'Hanken Grotesk',sans-serif;font-weight:700;color:var(--teal);text-decoration:none;font-size:16px;}
.textlink:hover{text-decoration:underline;}

/* ---------- Motion ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}
@keyframes riseIn{from{opacity:0;transform:translateY(26px);}to{opacity:1;transform:none;}}
@keyframes pulse{0%,100%{opacity:0.35;}50%{opacity:1;}}
@keyframes dashmove{to{stroke-dashoffset:-200;}}
@keyframes drift{0%{transform:translateX(0);}50%{transform:translateX(-30px);}100%{transform:translateX(0);}}
@keyframes bob{0%,100%{transform:translate(-50%,0);opacity:0.5;}50%{transform:translate(-50%,9px);opacity:1;}}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.pulse{animation:pulse 3.4s ease-in-out infinite;}
.pulse.d1{animation-delay:0.6s;}
.pulse.d2{animation-delay:1.2s;}
.pulse.d3{animation-delay:1.8s;}
.flow{stroke-dasharray:6 10;animation:dashmove 6s linear infinite;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation:none !important;transition:none !important;}
}

/* ---------- Nav ---------- */
nav{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(10,12,22,0.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:14px 24px;border-bottom:1px solid rgba(245,247,250,0.08);}
.navwrap{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:18px;}
.wordmark{font-family:'Hanken Grotesk',sans-serif;font-weight:800;letter-spacing:0.12em;color:var(--bone);font-size:15px;text-decoration:none;display:flex;align-items:center;gap:10px;flex:none;}
.wordmark img{height:38px;width:auto;display:block;}
.wordmark span{color:var(--amber);}
.navlinks{display:flex;align-items:center;gap:26px;}
.navlinks a.link{color:rgba(245,247,250,0.75);text-decoration:none;font-size:14.5px;font-family:'Hanken Grotesk',sans-serif;font-weight:600;padding:6px 0;}
.navlinks a.link:hover,.navlinks a.link[aria-current="page"]{color:var(--bone);}
.navlinks a.link[aria-current="page"]{border-bottom:2px solid var(--teal);}
.navbtn{background:var(--amber);color:var(--navy);font-family:'Hanken Grotesk',sans-serif;font-weight:700;font-size:14px;padding:11px 22px;border-radius:8px;text-decoration:none;flex:none;}
.navtoggle{display:none;background:none;border:0;cursor:pointer;padding:8px;}
.navtoggle svg{display:block;stroke:var(--bone);}
@media(max-width:920px){
  .navlinks{position:fixed;top:66px;left:0;right:0;background:rgba(10,12,22,0.97);flex-direction:column;gap:0;padding:12px 24px 24px;display:none;border-bottom:1px solid rgba(245,247,250,0.1);}
  .navlinks.open{display:flex;}
  .navlinks a.link{padding:14px 0;font-size:17px;width:100%;border-bottom:1px solid rgba(245,247,250,0.07);}
  .navlinks a.link[aria-current="page"]{border-bottom:1px solid var(--teal);}
  .navlinks .navbtn{margin-top:18px;width:100%;text-align:center;}
  .navtoggle{display:block;}
  nav .navbtn.desktop{display:none;}
}
@media(min-width:921px){.navlinks .navbtn.mobile{display:none;}}

/* ---------- Hero ---------- */
.hero{min-height:92vh;display:flex;align-items:center;padding:180px 24px 150px;background:radial-gradient(1200px 700px at 78% 12%, #202741 0%, var(--black) 55%);overflow:hidden;}
.hero .wrap{max-width:960px;}
.hero h1 .amber{color:var(--amber);}
.hero p.sub{font-size:20px;max-width:620px;margin:30px 0 44px;color:rgba(245,247,250,0.82);}
.hero .eyebrow{animation:riseIn .8s ease .1s both;}
.hero h1{animation:riseIn .8s ease .25s both;}
.hero p.sub{animation:riseIn .8s ease .45s both;}
.hero .btn{animation:riseIn .8s ease .65s both;}
.hero .micro{animation:riseIn .8s ease .8s both;}
.neural{position:absolute;inset:0;z-index:1;opacity:0.45;animation:drift 26s ease-in-out infinite;}
.herovideo{position:absolute;inset:0;z-index:0;width:100%;height:100%;object-fit:cover;opacity:0.35;}
.scrollhint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;animation:bob 2.2s ease-in-out infinite;}

/* ---------- Cards ---------- */
.cardgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
@media(max-width:900px){.grid2{grid-template-columns:1fr;}}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
@media(max-width:1000px){.grid4{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.grid4{grid-template-columns:1fr;}}
.card{border-radius:16px;padding:36px 30px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.card:hover{transform:translateY(-6px);}
.s-black .card,.s-navy .card{background:rgba(245,247,250,0.05);border:1px solid rgba(245,247,250,0.12);}
.s-black .card:hover,.s-navy .card:hover{border-color:rgba(43,198,199,0.5);}
.s-ice .card,.s-bone .card{background:#fff;box-shadow:0 4px 20px rgba(26,30,58,0.07);}
.s-ice .card:hover,.s-bone .card:hover{box-shadow:0 18px 40px rgba(26,30,58,0.13);}
.card .mark{font-family:'Hanken Grotesk',sans-serif;font-weight:800;font-size:22px;color:var(--amber);margin-bottom:14px;}
.card h3{font-size:20px;margin-bottom:10px;}
.card p{font-size:15.5px;}
.s-black .card p,.s-navy .card p{color:rgba(245,247,250,0.75);}
@media(max-width:900px){.cardgrid{grid-template-columns:1fr;}}

/* ---------- Marquee (8-pattern row) ---------- */
.marquee{overflow:hidden;position:relative;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);}
.marquee .track{display:flex;gap:18px;width:max-content;animation:marquee 42s linear infinite;}
.marquee:hover .track{animation-play-state:paused;}
.mtile{flex:none;width:300px;background:rgba(245,247,250,0.05);border:1px solid rgba(245,247,250,0.12);border-radius:16px;padding:28px 26px;}
.mtile .num{font-family:'Hanken Grotesk',sans-serif;color:rgba(245,247,250,0.4);font-weight:700;font-size:12px;letter-spacing:0.12em;}
.mtile h3{font-size:19px;margin:8px 0 10px;}
.mtile p{font-size:14.5px;color:rgba(245,247,250,0.72);line-height:1.5;}
@media (prefers-reduced-motion: reduce){
  .marquee{overflow-x:auto;-webkit-mask-image:none;mask-image:none;}
  .marquee .track{width:max-content;}
}

/* ---------- Carousel (scroll-snap + chevrons) ---------- */
.carousel{position:relative;}
.rail{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:14px;scrollbar-width:none;}
.rail::-webkit-scrollbar{display:none;}
.rail>*{scroll-snap-align:start;flex:none;}
.chevrons{display:flex;gap:10px;justify-content:flex-end;margin-bottom:26px;}
.chev{width:46px;height:46px;border-radius:50%;border:1.5px solid rgba(245,247,250,0.3);background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:border-color .15s ease;}
.chev:hover{border-color:var(--teal);}
.chev svg{stroke:var(--bone);}
.stagecard{width:340px;border-radius:16px;overflow:hidden;background:rgba(245,247,250,0.05);border:1px solid rgba(245,247,250,0.12);display:flex;flex-direction:column;transition:transform .2s ease,border-color .2s ease;}
.stagecard:hover{transform:translateY(-6px);border-color:rgba(43,198,199,0.45);}
.stagecard .visual{aspect-ratio:16/9;position:relative;display:flex;align-items:center;justify-content:center;background:linear-gradient(150deg,#232b49 0%,#10131f 100%);}
.stagecard .visual .big{font-family:'Hanken Grotesk',sans-serif;font-weight:800;font-size:64px;color:rgba(43,198,199,0.35);}
.stagecard .body{padding:26px;}
.stagecard .stagechip{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:var(--teal);font-family:'Hanken Grotesk',sans-serif;background:rgba(43,198,199,0.12);padding:6px 12px;border-radius:20px;margin-bottom:14px;}
.stagecard.first .stagechip{color:var(--amber);background:rgba(245,166,35,0.14);}
.stagecard.first{border-color:rgba(245,166,35,0.55);}
.stagecard h3{font-size:20px;margin-bottom:10px;}
.stagecard p{font-size:15px;color:rgba(245,247,250,0.75);}
@media(max-width:600px){.stagecard{width:84vw;}}

/* ---------- Device frames on studio tiles ---------- */
.studio-tile{background:var(--studio);border-radius:24px;padding:48px 40px;display:flex;align-items:center;justify-content:center;}
.phone{width:min(300px,100%);aspect-ratio:390/844;border-radius:40px;background:#0d1020;padding:10px;box-shadow:0 30px 70px rgba(10,12,22,0.35);position:relative;}
.phone::before{content:"";position:absolute;top:10px;left:50%;transform:translateX(-50%);width:38%;height:24px;background:#0d1020;border-radius:0 0 16px 16px;z-index:2;}
.phone .screen{width:100%;height:100%;border-radius:31px;overflow:hidden;background:#0A0C16;}
.phone .screen img{width:100%;height:100%;object-fit:cover;object-position:top;display:block;}
.laptop{width:min(560px,100%);}
@media(max-width:600px){.studio-tile{padding:28px 18px;}}
.laptop .lid{border-radius:14px 14px 0 0;background:#0d1020;padding:12px 12px 0;box-shadow:0 30px 70px rgba(10,12,22,0.3);}
.laptop .screen{border-radius:6px 6px 0 0;overflow:hidden;background:#fff;aspect-ratio:1280/600;}
.laptop .screen img{width:100%;height:100%;object-fit:cover;display:block;}
.laptop .base{height:14px;background:linear-gradient(180deg,#20263e,#0d1020);border-radius:0 0 14px 14px;position:relative;}
.laptop .base::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:96px;height:6px;background:rgba(245,247,250,0.15);border-radius:0 0 8px 8px;}

/* ---------- FAQ accordion ---------- */
.faq{max-width:760px;margin:0 auto;}
.faq details{border-bottom:1px solid rgba(43,54,84,0.14);}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 4px;font-family:'Hanken Grotesk',sans-serif;font-weight:700;font-size:18.5px;color:var(--navy);}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-size:26px;font-weight:600;color:var(--teal);flex:none;transition:transform .2s ease;}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq .a{padding:0 4px 26px;font-size:16.5px;max-width:640px;}

/* ---------- Stat band ---------- */
.statband{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;text-align:center;}
.statband .cap{font-size:15.5px;color:rgba(245,247,250,0.75);max-width:260px;margin:10px auto 0;}
@media(max-width:800px){.statband{grid-template-columns:1fr;gap:34px;}}

/* ---------- Split layouts ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center;}
@media(max-width:920px){.split{grid-template-columns:1fr;gap:44px;}}

/* ---------- Corporate band ---------- */
.corpband{padding:88px 24px;}
.corpband .wrap{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap;}
.corpband h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;max-width:620px;}

/* ---------- Footer (mega-nav) ---------- */
footer{background:var(--navy);border-top:1px solid rgba(245,247,250,0.08);color:rgba(245,247,250,0.6);padding:80px 24px 40px;font-size:14.5px;}
.fgrid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:44px;}
.fbrand .fmark{font-family:'Hanken Grotesk',sans-serif;font-weight:800;letter-spacing:0.12em;color:var(--bone);margin-bottom:14px;display:flex;align-items:center;gap:10px;}
.fbrand .fmark img{height:32px;width:auto;}
.fbrand p{max-width:300px;font-size:14px;}
footer h4{color:var(--bone);font-size:14px;letter-spacing:0.1em;text-transform:uppercase;margin-bottom:16px;}
footer ul{list-style:none;}
footer li{margin-bottom:11px;}
footer a{color:rgba(245,247,250,0.72);text-decoration:none;}
footer a:hover{color:var(--teal);}
.fcta{background:rgba(245,247,250,0.05);border:1px solid rgba(245,247,250,0.12);border-radius:16px;padding:26px;}
.fcta p{font-family:'Hanken Grotesk',sans-serif;font-weight:700;color:var(--bone);font-size:17px;margin-bottom:16px;}
.legal{max-width:1200px;margin:56px auto 0;padding-top:24px;border-top:1px solid rgba(245,247,250,0.08);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;}
@media(max-width:920px){.fgrid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.fgrid{grid-template-columns:1fr;}}

/* ---------- Article (Brain Lab) ---------- */
.article{max-width:720px;margin:0 auto;}
.article .meta{display:flex;align-items:center;gap:14px;margin-bottom:26px;flex-wrap:wrap;}
.chip{display:inline-block;font-size:12px;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:var(--teal);font-family:'Hanken Grotesk',sans-serif;background:rgba(43,198,199,0.12);padding:6px 14px;border-radius:20px;text-decoration:none;}
.readtime{font-size:13.5px;opacity:0.65;}
.article h1{font-size:clamp(34px,4.6vw,52px);font-weight:800;margin-bottom:18px;}
.article .aimg{border-radius:20px;overflow:hidden;aspect-ratio:2/1;margin:34px 0 42px;}
.article .aimg img{width:100%;height:100%;object-fit:cover;display:block;}
.article p{margin-bottom:22px;}
.article h2{font-size:24px;font-weight:800;margin:38px 0 16px;}
.article strong{color:var(--navy);}
.article .science{background:#fff;border-radius:16px;padding:28px 30px;box-shadow:0 4px 20px rgba(26,30,58,0.07);margin-top:8px;}
.article .science h2{margin:0 0 14px;font-size:18px;}
.article .science ul{list-style:none;}
.article .science li{font-size:14.5px;padding:8px 0;border-bottom:1px solid rgba(43,54,84,0.08);}
.article .science li:last-child{border-bottom:0;}
.article .science a{color:var(--teal);text-decoration:none;}
.article .science a:hover{text-decoration:underline;}
.articlecta{text-align:center;margin-top:70px;padding:54px 30px;background:var(--black);border-radius:20px;}
.articlecta h2{color:var(--bone);font-size:clamp(26px,3.4vw,36px);font-weight:800;margin-bottom:12px;}
.articlecta p{color:rgba(245,247,250,0.75);max-width:480px;margin:0 auto 30px;font-size:16.5px;}

/* ---------- Brain Lab hub ---------- */
.labgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.labcard{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 4px 20px rgba(26,30,58,0.07);text-decoration:none;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease;}
.labcard:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(26,30,58,0.13);}
.labcard .thumb{background:var(--black);aspect-ratio:16/9;overflow:hidden;}
.labcard .thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.labcard .body{padding:24px 26px 28px;}
.labcard h3{font-size:19px;margin:12px 0 8px;color:var(--navy);}
.labcard p{font-size:14.5px;color:var(--graphite);}
.filterrow{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:44px;}
.filterrow .chip{cursor:pointer;border:0;font-size:12.5px;}
.filterrow .chip.idle{background:rgba(43,54,84,0.07);color:var(--graphite);}
@media(max-width:960px){.labgrid{grid-template-columns:1fr 1fr;}}
@media(max-width:620px){.labgrid{grid-template-columns:1fr;}}

/* ---------- Page hero (inner pages) ---------- */
.pagehero{padding:190px 24px 110px;background:radial-gradient(1000px 560px at 74% 8%, #202741 0%, var(--black) 58%);}
.pagehero h1{font-size:clamp(42px,5.6vw,76px);font-weight:800;max-width:900px;}
.pagehero p.sub{font-size:19.5px;max-width:640px;margin:26px 0 0;color:rgba(245,247,250,0.8);}

/* ---------- Misc ---------- */
.recoglist{list-style:none;}
.recoglist li{padding:17px 0 17px 38px;position:relative;border-bottom:1px solid rgba(43,54,84,0.10);font-size:17.5px;}
.recoglist li::before{content:"";position:absolute;left:0;top:24px;width:16px;height:16px;border:2px solid var(--amber);border-radius:50%;}
.recoglist li::after{content:"";position:absolute;left:5px;top:29px;width:6px;height:6px;background:var(--amber);border-radius:50%;}
.kicker{margin-top:30px;font-size:18px;font-weight:700;color:var(--navy);}
.bands{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.band{border-radius:10px;padding:22px;font-size:14.5px;}
.band b{display:block;font-family:'Hanken Grotesk',sans-serif;font-size:16px;margin-bottom:6px;color:var(--navy);}
.dark .band{color:rgba(245,247,250,0.8);}
.dark .band b{color:var(--bone);}
@media(max-width:800px){.bands{grid-template-columns:1fr;}}
.band.mild{background:rgba(43,198,199,0.10);border-left:4px solid var(--teal);}
.band.mod{background:rgba(245,166,35,0.10);border-left:4px solid var(--amber);}
.band.sev{background:rgba(245,166,35,0.18);border-left:4px solid #e2701d;}
.s-ice .band.mild,.s-bone .band.mild{background:rgba(43,198,199,0.12);}
.cta-inline{text-align:center;margin-top:64px;}
.quoteband{margin-top:80px;text-align:center;}
.quoteband p{font-family:'Hanken Grotesk',sans-serif;font-weight:700;font-size:clamp(22px,3vw,30px);color:var(--bone);max-width:720px;margin:0 auto;line-height:1.35;}
.quoteband p em{color:var(--teal);font-style:normal;}
.hidden-proof{display:none;}

@media(max-width:600px){
  section{padding:88px 20px;}
  .hero{padding:150px 20px 110px;min-height:auto;}
  .pagehero{padding:150px 20px 80px;}
}