/* Cortexonquant Labs store. 2 Nov 2026. Self-contained: does not load brand-unify.css.
   Same ground, ink, type and header as the rest of the site, held to a retail-grade layout. */
@import url("/assets/fonts/fonts.css");
:root{--cream:#F4ECD8;--raised:#FAF9F5;--white:#FFFFFF;--ink:#1A1A1A;--muted:#4A443C;--soft:#7A7166;--hair:#D8CFC2;--obs:#0A0A0F;--navy:#1C3A6B;--gold:#C9A227;
  --r-lg:28px;--r-md:18px;--shadow:0 1px 2px rgba(26,26,26,.04),0 12px 40px rgba(26,26,26,.07)}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--cream);color:var(--ink);font:400 17px/1.6 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}
@media(max-width:760px){.wrap{padding:0 16px}}
h1,h2,h3{font-family:"Cormorant Garamond",Georgia,serif;font-weight:600;letter-spacing:-.015em;color:var(--ink);margin:0}
.kick{font:500 12px/1.4 "JetBrains Mono",monospace;letter-spacing:.2em;text-transform:uppercase;color:var(--navy);margin:0 0 14px}
.lede{font-size:clamp(1.05rem,1.6vw,1.25rem);line-height:1.55;color:var(--muted);max-width:58ch;margin:16px 0 0}
.muted{color:var(--muted)}
/* header and footer: identical to the site-wide ones */
.cq-head{position:sticky;top:0;z-index:50;background:rgba(244,236,216,.9);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--hair)}
.cq-head .in,.cq-foot .in{max-width:1180px;margin:0 auto;padding:16px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.cq-brand{display:flex;gap:12px;align-items:center;font:600 18px/1 "Cormorant Garamond",serif;letter-spacing:.22em;text-transform:uppercase;color:var(--ink);text-decoration:none;white-space:nowrap}
.cq-brand img{width:32px;height:32px}
.cq-links{display:flex;gap:26px;align-items:center;font:400 15px Inter,system-ui,sans-serif}
.cq-links a{color:var(--muted);text-decoration:none;white-space:nowrap}
.cq-links a:hover,.cq-links a[aria-current=page]{color:var(--ink)}
.cq-links a.cq-cta{background:var(--obs);color:#F5F5F2;border-radius:12px;padding:11px 16px;font-weight:600}
.cq-foot{border-top:1px solid var(--hair);margin-top:72px}
.cq-foot .in{flex-wrap:wrap;font:400 13px Inter,system-ui,sans-serif;color:var(--muted)}
.cq-foot a{color:var(--muted);text-decoration:none;margin-right:18px}
@media(max-width:860px){.cq-links a:not(.cq-cta){display:none}.cq-head .in,.cq-foot .in{padding:12px 16px}.cq-foot .in{flex-direction:column;align-items:flex-start}.cq-brand{font-size:14px;letter-spacing:.14em;gap:8px}.cq-brand img{width:26px;height:26px}.cq-links a.cq-cta{padding:9px 12px;font-size:14px}}
/* store sub-nav, like a retail category bar */
.subnav{border-bottom:1px solid var(--hair);background:var(--raised)}
.subnav .wrap{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-top:10px;padding-bottom:10px}
.subnav .wrap::-webkit-scrollbar{display:none}
.subnav a{flex:none;font:500 14px Inter,sans-serif;color:var(--muted);text-decoration:none;padding:8px 14px;border-radius:999px}
.subnav a:hover,.subnav a[aria-current=page]{background:var(--cream);color:var(--ink)}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--obs);color:#F5F5F2;border:0;border-radius:999px;padding:15px 26px;font:600 16px/1 Inter,sans-serif;text-decoration:none;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(10,10,15,.18)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn.ghost:hover{box-shadow:inset 0 0 0 1.5px var(--ink),0 8px 24px rgba(10,10,15,.08)}
.link{font:600 16px Inter,sans-serif;color:var(--navy);text-decoration:none}
.link:hover{text-decoration:underline}
.link::after{content:" \203A"}
.actions{display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center;margin-top:28px}
/* store hero */
.s-hero{padding:72px 0 40px;text-align:center}
.s-hero h1{font-size:clamp(2.6rem,7vw,5.2rem);line-height:1.02}
.s-hero .lede{margin:18px auto 0;text-align:center}
/* problem finder: the top of the funnel */
.finder{padding:24px 0 8px}
.finder h2{font-size:clamp(1.7rem,3.4vw,2.4rem);text-align:center}
.finder p.sub{text-align:center;color:var(--muted);margin:8px 0 28px}
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:900px){.fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.fgrid{grid-template-columns:1fr}}
.fcard{display:flex;flex-direction:column;gap:6px;background:var(--white);border:1px solid var(--hair);border-radius:var(--r-md);padding:22px 22px 20px;text-decoration:none;color:var(--ink);transition:transform .2s ease,box-shadow .2s ease,border-color .2s}
.fcard:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:transparent}
.fcard .q{font:600 1.35rem/1.25 "Cormorant Garamond",serif}
.fcard .a{font-size:15px;color:var(--muted)}
.fcard .to{margin-top:auto;padding-top:10px;font:500 12px "JetBrains Mono",monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--navy)}
/* feature tile (large, image-led) */
.feature{margin-top:56px;background:var(--white);border-radius:var(--r-lg);overflow:hidden;display:grid;grid-template-columns:1.05fr 1fr;min-height:520px;box-shadow:var(--shadow)}
.feature .copy{padding:64px 56px;display:flex;flex-direction:column;justify-content:center}
.feature h2{font-size:clamp(2.2rem,4.6vw,3.6rem);line-height:1.03}
.feature .stage{position:relative;display:flex;align-items:center;justify-content:center;background:radial-gradient(120% 90% at 60% 40%,#efe5cf 0%,#e4d6b8 55%,#d9c8a5 100%);overflow:hidden}
@media(max-width:900px){.feature{grid-template-columns:1fr}.feature .copy{padding:40px 24px 8px;order:2}.feature .stage{min-height:380px;order:1}}
.formats{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chip{font:500 13px Inter,sans-serif;padding:7px 12px;border-radius:999px;background:var(--cream);color:var(--ink);border:1px solid var(--hair)}
.chip.on{background:var(--obs);color:#F5F5F2;border-color:var(--obs)}
/* a real 3D book built from the real cover, no generated imagery */
.book3d{--w:min(250px,52vw);width:var(--w);aspect-ratio:2/3;position:relative;transform-style:preserve-3d;transform:perspective(1400px) rotateY(-24deg) rotateX(4deg);transition:transform .6s cubic-bezier(.2,.7,.2,1);filter:drop-shadow(30px 36px 34px rgba(40,28,10,.35))}
.book3d:hover{transform:perspective(1400px) rotateY(-12deg) rotateX(2deg)}
.book3d img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:2px 5px 5px 2px}
.book3d::before{content:"";position:absolute;top:1.5%;bottom:1.5%;right:-14px;width:16px;background:repeating-linear-gradient(90deg,#f6f1e6 0 2px,#e7dfcf 2px 3px);transform:rotateY(90deg) translateZ(-1px);transform-origin:left}
.book3d::after{content:"";position:absolute;inset:0;border-radius:2px 5px 5px 2px;background:linear-gradient(90deg,rgba(0,0,0,.28) 0,rgba(255,255,255,.18) 2.5%,rgba(0,0,0,0) 6%,rgba(0,0,0,0) 92%,rgba(255,255,255,.12) 100%)}
/* phone frame for app and audio */
.phone{width:min(250px,56vw);aspect-ratio:9/19.3;border-radius:42px;background:#0b0b0e;padding:10px;box-shadow:0 40px 80px rgba(20,14,4,.35),inset 0 0 0 2px #2a2a30;position:relative}
.phone .scr{width:100%;height:100%;border-radius:33px;overflow:hidden;position:relative;background:#111}
.phone .scr img{width:100%;height:100%;object-fit:cover}
.phone .notch{position:absolute;top:18px;left:50%;transform:translateX(-50%);width:84px;height:24px;border-radius:14px;background:#0b0b0e;z-index:2}
.phone .ov{position:absolute;left:0;right:0;bottom:0;padding:22px 18px 26px;background:linear-gradient(180deg,transparent,rgba(0,0,0,.72));color:#fff}
.phone .ov b{display:block;font:600 1.3rem/1.15 "Cormorant Garamond",serif}
.phone .ov span{font:500 10px "JetBrains Mono",monospace;letter-spacing:.16em;text-transform:uppercase;opacity:.85}
.phone .bar{height:3px;border-radius:2px;background:rgba(255,255,255,.3);margin-top:14px;overflow:hidden}
.phone .bar i{display:block;height:100%;width:38%;background:#fff}
/* product grid by line */
.line{margin-top:88px}
.line-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:22px}
.line-head h2{font-size:clamp(1.9rem,3.6vw,2.8rem)}
.pgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
.tile{background:var(--white);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:var(--ink);transition:transform .25s ease,box-shadow .25s ease;box-shadow:0 1px 2px rgba(26,26,26,.04)}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.tile .pic{aspect-ratio:16/10;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;background:radial-gradient(120% 100% at 50% 30%,#f3ead6,#e3d4b6)}
.tile .pic>img.photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.tile:hover .pic>img.photo{transform:scale(1.04)}
.tile .pic .book3d{--w:clamp(110px,24%,150px);filter:drop-shadow(16px 18px 16px rgba(40,28,10,.32))}
.tile .pic .phone{width:clamp(96px,22%,132px);border-radius:24px;padding:6px}.tile .pic .phone .scr{border-radius:19px}.tile .pic .phone .notch{display:none}
.tile .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:6px;flex:1}
.tile .tag{font:500 11px "JetBrains Mono",monospace;letter-spacing:.16em;text-transform:uppercase;color:var(--navy)}
.tile h3{font-size:1.75rem;line-height:1.1}
.tile .solves{color:var(--muted);font-size:15.5px}
.tile .foot{margin-top:auto;padding-top:14px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.tile .price{font-weight:600;font-size:15px}
.tile .go{font:600 15px Inter,sans-serif;color:var(--navy)}
.badge{position:absolute;top:14px;left:14px;z-index:2;font:500 11px "JetBrains Mono",monospace;letter-spacing:.14em;text-transform:uppercase;background:var(--obs);color:#F5F5F2;padding:6px 10px;border-radius:999px}
.cards4{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;width:62%;transform:rotate(-4deg)}
.cards4 img{border-radius:8px;box-shadow:0 8px 18px rgba(40,28,10,.22)}
/* promise strip */
.promise{margin-top:88px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);padding:36px 0}
@media(max-width:900px){.promise{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.promise{grid-template-columns:1fr}}
.promise b{display:block;font:600 1.25rem/1.2 "Cormorant Garamond",serif;margin-bottom:4px}
.promise span{font-size:14.5px;color:var(--muted)}
/* where to start ladder */
.ladder{margin-top:88px;background:var(--raised);border:1px solid var(--hair);border-radius:var(--r-lg);padding:48px 40px}
.ladder h2{font-size:clamp(1.9rem,3.6vw,2.6rem)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:28px}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}}@media(max-width:520px){.steps{grid-template-columns:1fr}.ladder{padding:32px 20px}}
.step{padding:20px;border-radius:var(--r-md);background:var(--white);border:1px solid var(--hair);text-decoration:none;color:var(--ink)}
.step .n{font:500 12px "JetBrains Mono",monospace;letter-spacing:.16em;color:var(--navy)}
.step b{display:block;font:600 1.3rem/1.2 "Cormorant Garamond",serif;margin:6px 0 4px}
.step span{font-size:14.5px;color:var(--muted)}
/* ============ product page ============ */
.p-hero{padding:56px 0 24px}
.p-hero .grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media(max-width:900px){.p-hero .grid{grid-template-columns:1fr;gap:28px}.p-hero .stagebox{order:-1}}
.p-hero h1{font-size:clamp(2.5rem,6vw,4.4rem);line-height:1.02}
.p-hero .pname{font:600 15px Inter,sans-serif;color:var(--muted);margin:0 0 10px}
.stagebox{border-radius:var(--r-lg);min-height:520px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background:radial-gradient(120% 90% at 60% 35%,#f2e8d3 0%,#e4d6b8 60%,#d6c4a0 100%)}
.stagebox>img.photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.stagebox .char{position:absolute;right:4%;bottom:0;height:46%;width:auto}
@media(max-width:900px){.stagebox{min-height:300px}.stagebox .book3d{--w:150px}.stagebox .phone{width:150px}.p-hero{padding-top:24px}}
.pricebox{margin-top:26px;padding:20px 22px;border-radius:var(--r-md);background:var(--white);border:1px solid var(--hair)}
.pricebox .amt{font:600 1.9rem/1 "Cormorant Garamond",serif}
.pricebox .note{font-size:14.5px;color:var(--muted);margin-top:6px}
.pricebox .opts{display:grid;gap:8px;margin-top:14px}
.opt{display:flex;justify-content:space-between;gap:12px;padding:12px 14px;border:1px solid var(--hair);border-radius:12px;font-size:15px}
.opt b{font-weight:600}
.opt.soon{color:var(--soft)}
.trust{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:14px;font-size:13.5px;color:var(--muted)}
.trust span::before{content:"\2713  ";color:var(--navy);font-weight:700}
/* sections */
.sec{margin-top:96px}
.sec .head{max-width:760px}
.sec h2{font-size:clamp(2rem,4vw,3rem);line-height:1.06}
.recog{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}
@media(max-width:900px){.recog{grid-template-columns:1fr}}
.recog div{background:var(--white);border-radius:var(--r-md);padding:24px;border:1px solid var(--hair)}
.recog q{display:block;font:600 1.35rem/1.3 "Cormorant Garamond",serif;quotes:none}
.recog p{margin:10px 0 0;font-size:15px;color:var(--muted)}
.notfault{margin-top:22px;font:600 1.4rem/1.35 "Cormorant Garamond",serif;max-width:62ch}
.split{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:32px}
@media(max-width:760px){.split{grid-template-columns:1fr}}
.panel{border-radius:var(--r-lg);padding:34px}
.panel.before{background:var(--raised);border:1px solid var(--hair)}
.panel.after{background:var(--obs);color:#F5F5F2}
.panel.after h3,.panel.after li{color:#F5F5F2}
.panel h3{font-size:1.6rem;margin-bottom:12px}
.panel ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.panel li{padding-left:22px;position:relative;font-size:16px}
.panel.before li{color:var(--muted)}
.panel li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:50%;background:currentColor;opacity:.45}
.inside{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:32px}
.inside .it{background:var(--white);border-radius:var(--r-md);padding:26px;border:1px solid var(--hair)}
.inside .it .n{font:500 12px "JetBrains Mono",monospace;letter-spacing:.16em;color:var(--navy)}
.inside .it b{display:block;font:600 1.4rem/1.2 "Cormorant Garamond",serif;margin:8px 0 6px}
.inside .it span{font-size:15px;color:var(--muted)}
.fit{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:32px}
@media(max-width:760px){.fit{grid-template-columns:1fr}}
.fit div{border-radius:var(--r-md);padding:26px;background:var(--white);border:1px solid var(--hair)}
.fit h3{font-size:1.4rem;margin-bottom:10px}
.fit ul{margin:0;padding-left:18px;color:var(--muted);display:grid;gap:6px;font-size:15.5px}
.proof{margin-top:96px;border-radius:var(--r-lg);overflow:hidden;position:relative;min-height:380px;display:flex;align-items:flex-end}
.proof img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.proof .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,15,.05) 20%,rgba(10,10,15,.78))}
.proof .txt{position:relative;padding:44px;color:#F5F5F2;max-width:760px}
.proof .txt h2{color:#F5F5F2;font-size:clamp(1.8rem,3.6vw,2.7rem)}
.proof .txt p{color:rgba(245,245,242,.88);margin:12px 0 0}
.proof .txt a{color:#F5F5F2}
@media(max-width:600px){.proof .txt{padding:28px 20px}}
.faq{margin-top:28px;border-top:1px solid var(--hair)}
.faq details{border-bottom:1px solid var(--hair);padding:20px 0}
.faq summary{cursor:pointer;list-style:none;font:600 1.3rem/1.3 "Cormorant Garamond",serif;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 1.5rem/1 Inter,sans-serif;color:var(--soft)}
.faq details[open] summary::after{content:"\2212"}
.faq p{margin:10px 0 0;color:var(--muted);max-width:70ch}
.closer{margin-top:96px;text-align:center;background:var(--white);border-radius:var(--r-lg);padding:64px 24px;box-shadow:var(--shadow)}
.closer h2{font-size:clamp(2rem,4.4vw,3.2rem)}
.closer .lede{margin:14px auto 0}
.closer .actions{justify-content:center}
.related{margin-top:96px}
.related h2{font-size:clamp(1.7rem,3vw,2.3rem);margin-bottom:20px}
/* sticky buy bar on phones */
.buybar{position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(250,249,245,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--hair);padding:10px 16px calc(10px + env(safe-area-inset-bottom));display:none;align-items:center;justify-content:space-between;gap:12px;transform:translateY(110%);transition:transform .3s ease}
.buybar.show{transform:none}
.buybar b{font:600 1.1rem/1.1 "Cormorant Garamond",serif;display:block}
.buybar small{color:var(--muted);font-size:13px}
.buybar .btn{padding:12px 18px;font-size:15px;white-space:nowrap}.buybar b{max-width:52vw}
@media(max-width:760px){.buybar{display:flex}body.has-buybar{padding-bottom:76px}}
.fine{font-size:13.5px;color:var(--soft);margin-top:18px;max-width:72ch}
.kitform{margin-top:18px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(max-width:420px){.cq-brand{font-size:12.5px;letter-spacing:.08em}.cq-links a.cq-cta{font-size:13px;padding:8px 10px}.fcard{padding:18px}}