/* CortexonQuant Labs marketing site. Built 2026-06-16 by Claude COO.
   Brand tokens from _Brand/2026-06-15_Brand_Tokens_Source_of_Truth.md. Self-hosted fonts, zero Google Fonts CDN. */
@import url("./assets/fonts/fonts.css");

:root{
  --teal:#00D9A6; --blue:#1473F2; --obsidian:#0A0A0F;
  --cream:#F4ECD8; --cream-border:#FAF9F5; --gold:#F7D117;
  --burgundy:#A0463A; --charcoal:#1A1A1A; --near-white:#F5F5F2;
  --grad:linear-gradient(135deg,#00D9A6 0%,#1473F2 100%);
  --font-display:"Cormorant Garamond",Georgia,serif;
  --font-body:"Inter",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",monospace;
  --r-sm:12px; --r-md:18px; --r-lg:20px;
  --maxw:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);font-size:17px;line-height:1.6;color:var(--charcoal);background:var(--cream);-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:96px 0}
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.12;letter-spacing:-.01em}
h1{font-size:clamp(3rem,6vw,4.75rem)}
h2{font-size:clamp(2.1rem,4vw,3.1rem)}
h3{font-size:1.5rem}
p{font-size:1.0625rem;line-height:1.65;max-width:62ch}
.kicker{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--burgundy)}
a{color:var(--blue);text-decoration:none}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:1rem;padding:.85rem 1.5rem;border-radius:999px;border:1.5px solid transparent;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 24px rgba(20,115,242,.25)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(26,26,26,.25);color:var(--charcoal)}
.btn-ghost:hover{border-color:var(--charcoal)}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.btn-lg{padding:1rem 1.9rem;font-size:1.05rem}

/* Store badges */
.storebadges{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.storebadges a{display:inline-block;transition:transform .12s ease}
.storebadges a:hover{transform:translateY(-1px)}
.storebadges img{display:block;height:56px;width:auto}

/* Trust row (hero, dark) */
.trust{list-style:none;display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;padding:0}
.trust li{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:#9fa1ac;position:relative;padding-left:16px}
.trust li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:7px;height:7px;border-radius:50%;background:var(--teal)}

/* Closing CTA */
.closing{background:var(--cream);text-align:center}
.closing .wrap{max-width:680px}

/* Sticky mobile CTA */
.mobilecta{display:none}
@media(max-width:760px){
  .mobilecta{display:block;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:rgba(244,236,216,.94);backdrop-filter:blur(10px);border-top:1px solid rgba(26,26,26,.08)}
  .mobilecta .btn{width:100%;justify-content:center}
  body{padding-bottom:76px}
}

/* Logo */
.logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-display);font-size:1.35rem;font-weight:600;color:inherit}
.logo svg{width:30px;height:30px;border-radius:8px;display:block}

/* Nav */
header.nav{position:sticky;top:0;z-index:50;background:rgba(244,236,216,.82);backdrop-filter:blur(10px);border-bottom:1px solid rgba(26,26,26,.06)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{color:var(--charcoal);font-size:.95rem;font-weight:500}
.nav-links a:hover{color:var(--blue)}
.nav .btn{padding:.6rem 1.2rem}
@media(max-width:760px){.nav-links a:not(.btn){display:none}}

/* Hero (obsidian) */
.hero{background:var(--obsidian);color:var(--near-white);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero h1{color:var(--near-white);margin:18px 0 22px}
.hero p{color:#c7c8cf}
.hero .fine{margin-top:18px;font-size:.9rem;color:#8b8d97}
.phone{justify-self:center;width:300px;height:600px;border-radius:42px;background:linear-gradient(180deg,rgba(10,10,15,.30) 0%,rgba(10,10,15,.55) 55%,rgba(10,10,15,.82) 100%),url("assets/img/env-phone.jpg") center/cover no-repeat;border:1px solid rgba(255,255,255,.10);box-shadow:0 40px 90px rgba(0,0,0,.5);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;position:relative;overflow:hidden}
.phone .lbl{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.2em;color:#7fd8c4}
.ring{width:200px;height:200px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--teal) 0deg,var(--blue) 230deg,rgba(255,255,255,.07) 230deg 360deg);position:relative}
.ring::before{content:"";position:absolute;inset:14px;border-radius:50%;background:#0c0d12}
.ring .time{position:relative;font-family:var(--font-mono);font-size:2.6rem;color:#fff;letter-spacing:.04em}
.phone .return{font-family:var(--font-display);font-size:1.4rem;color:#e9eaef}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr;text-align:left}.phone{margin-top:20px;transform:scale(.92)}}

/* Generic sections */
.lede{margin-top:14px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media(max-width:820px){.two{grid-template-columns:1fr;gap:32px}}
.app{background:var(--cream)}
.envcard{background:#fff;border:1px solid var(--cream-border);border-radius:var(--r-lg);padding:28px;box-shadow:0 18px 50px rgba(26,26,26,.06)}
.envcard .row{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.envcard .ic{width:42px;height:42px;border-radius:12px;background:var(--grad);display:grid;place-items:center;color:#fff;font-family:var(--font-mono);font-size:.7rem}
.tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.tag{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--charcoal);background:rgba(26,26,26,.05);border-radius:999px;padding:.35rem .7rem}

/* Coherence cycle */
.cycle{background:var(--obsidian);color:var(--near-white)}
.cycle h2,.cycle h3{color:var(--near-white)}
.cycle p{color:#c7c8cf}
.cycle .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
@media(max-width:820px){.cycle .grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.cycle .grid{grid-template-columns:1fr}}
.phase{border:1px solid rgba(255,255,255,.1);border-radius:var(--r-md);padding:24px;background:rgba(255,255,255,.02)}
.phase .n{font-family:var(--font-mono);font-size:.7rem;color:var(--teal);letter-spacing:.18em}
.phase h3{font-size:1.4rem;margin:8px 0}
.phase p{font-size:.98rem;color:#aeb0bb}

/* Book */
.book{background:var(--cream)}
.bookcover{display:block;width:100%;max-width:330px;height:auto;border-radius:var(--r-md);box-shadow:0 24px 60px rgba(26,26,26,.20);justify-self:start}
.disclaimer{margin-top:16px;font-size:.82rem;color:var(--burgundy);font-style:italic}

/* Letter */
.letter{background:var(--obsidian);color:var(--near-white);text-align:center}
.letter h2{color:var(--near-white)}
.letter p{color:#c7c8cf;margin:14px auto 0}
.subscribe{display:flex;gap:10px;max-width:440px;margin:28px auto 0}
.subscribe input{flex:1;padding:.85rem 1rem;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.05);color:#fff;font-family:var(--font-body);font-size:1rem}
.subscribe input::placeholder{color:#8b8d97}
/* Readable input on cream/light sections (e.g. book pre-order in .closing) */
.closing .subscribe input{background:#fff;color:var(--charcoal);border-color:var(--cream-border)}
.closing .subscribe input::placeholder{color:#9a9ca6}

/* Legal documents (privacy, terms) */
.legaldoc{background:var(--cream);padding-top:64px}
.legaldoc .wrap{max-width:760px}
.legaldoc h1{font-size:clamp(2.4rem,4.5vw,3.4rem);margin-bottom:8px}
.legaldoc .updated{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--burgundy);margin-bottom:8px}
.legaldoc h2{font-size:1.5rem;margin:40px 0 12px}
.legaldoc h3{font-size:1.12rem;margin:24px 0 8px;font-family:var(--font-body);font-weight:700}
.legaldoc p,.legaldoc li{font-size:1rem;line-height:1.7;color:#2a2a2a;max-width:none}
.legaldoc p{margin-bottom:14px}
.legaldoc ul{margin:0 0 14px 1.2rem}
.legaldoc li{margin-bottom:7px}
.legaldoc strong{color:var(--charcoal)}
.legaldoc .intro{font-size:1.06rem}
.legaldoc hr{border:none;border-top:1px solid rgba(26,26,26,.12);margin:32px 0}
.legaldoc .note{background:#fff;border:1px solid var(--cream-border);border-left:3px solid var(--gold);border-radius:var(--r-sm);padding:16px 18px;margin:0 0 28px;font-size:.95rem;color:#3a3a3a}
.legaldoc .note strong{display:block;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--burgundy);margin-bottom:6px}

/* Platform conversion pages: immersive home device, env thumbs, why, FAQ, video */
.phone.home{background:var(--cream);padding:0;gap:0;justify-content:flex-start}
.dh{display:flex;flex-direction:column;height:100%;width:100%}
.dh .body{flex:1;padding:40px 18px 12px;overflow:hidden}
.dh .htop{display:flex;align-items:baseline;justify-content:space-between}
.dh .htop .t{font-family:var(--font-display);font-weight:600;font-size:1.5rem;color:var(--charcoal)}
.dh .htop .k{font-family:var(--font-mono);font-size:.5rem;letter-spacing:.1em;color:var(--burgundy)}
.dh .kk{font-family:var(--font-mono);font-size:.5rem;letter-spacing:.16em;color:var(--burgundy);margin-top:4px}
.scenecard{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--cream-border);border-radius:14px;padding:9px;margin-top:11px}
.scenecard .th{width:46px;height:46px;border-radius:10px;flex:none;display:grid;place-items:center;color:#fff}
.scenecard .nm{font-size:.78rem;font-weight:600;color:var(--charcoal)}
.scenecard .sb{font-size:.6rem;color:#6b6b6b}
.nav4{display:flex;border-top:1px solid rgba(26,26,26,.2)}
.nav4 .it{flex:1;text-align:center;padding:11px 0;color:rgba(26,26,26,.45)}
.nav4 .it.sel{color:var(--burgundy)}
.nav4 .it svg{display:block;margin:0 auto 3px;width:17px;height:17px}
.nav4 .it span{font-family:var(--font-mono);font-size:.46rem;letter-spacing:.1em}
.why .grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
@media(max-width:760px){.why .grid3{grid-template-columns:1fr}}
.whycard{border:1px solid var(--cream-border);background:#fff;border-radius:var(--r-md);padding:26px}
.whycard h3{font-size:1.2rem;margin-bottom:8px}
.whycard p{font-size:.98rem;color:#555}
.faq{background:var(--cream)}
.faqitem{border-top:1px solid rgba(26,26,26,.12);padding:22px 0;max-width:760px}
.faqitem:last-child{border-bottom:1px solid rgba(26,26,26,.12)}
.faqitem h3{font-family:var(--font-body);font-weight:700;font-size:1.05rem}
.faqitem p{margin-top:8px;color:#444}
.film{background:var(--obsidian);color:var(--near-white);text-align:center}
.film h2{color:var(--near-white)}
.film p{color:#c7c8cf;margin:14px auto 0}
.vid{position:relative;width:100%;max-width:900px;margin:36px auto 0;aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;background:#10141d;border:1px solid rgba(255,255,255,.08)}
.vid iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vid .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.vid .play{width:74px;height:74px;border-radius:50%;background:var(--teal);display:grid;place-items:center}
.vid .play svg{width:30px;height:30px}
.vid .cap{position:absolute;bottom:14px;left:16px;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.1em;color:rgba(255,255,255,.7)}

/* Footer */
footer{background:#070709;color:#9799a3;padding:56px 0 40px;font-size:.9rem}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer a{color:#c7c8cf}
footer .legal{max-width:520px}
footer .disc{color:#6e7079;font-style:italic;margin-top:10px;font-size:.82rem}