@font-face{font-family:"Cormorant";src:url(../assets/fonts/CG-Medium.woff2) format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Cormorant";src:url(../assets/fonts/CG-MediumItalic.woff2) format("woff2");font-weight:500;font-style:italic;font-display:swap}
@font-face{font-family:"Cormorant SC";src:url(../assets/fonts/CormorantSC-SemiBold.woff2) format("woff2");font-weight:600;font-display:swap}

:root{
  --bg:#060a13;--bg2:#0a1222;--navy:#0e1a33;
  --gold:#c9a45c;--gold-2:#e7cd8e;--gold-3:#8e6f33;
  --ink:#ece6d8;--muted:#9ba5b8;--line:rgba(201,164,92,.18);
  --glass:rgba(16,26,48,.55);--glass-b:rgba(231,205,142,.14);
  --serif:"Cormorant",Georgia,"Times New Roman",serif;
  --caps:"Cormorant SC","Cormorant",Georgia,serif;
  --sans:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --r:18px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.7 var(--sans);overflow-x:hidden;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;
  background:radial-gradient(1200px 700px at 80% -10%,rgba(40,64,120,.35),transparent 60%),radial-gradient(900px 600px at -10% 40%,rgba(201,164,92,.07),transparent 60%),linear-gradient(var(--bg),var(--bg2) 60%,var(--bg))}
img{max-width:100%;height:auto;display:block}
a{color:var(--gold-2)}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.08;margin:0 0 .5em;letter-spacing:.01em}
h2{font-size:clamp(2rem,5.2vw,3.4rem);background:linear-gradient(180deg,#f3e2b4,var(--gold) 70%,var(--gold-3));-webkit-background-clip:text;background-clip:text;color:transparent}
h3{font-size:1.45rem;color:var(--gold-2)}
p{margin:0 0 1.1em}
.wrap{width:min(1180px,100% - 40px);margin-inline:auto}
.narrow{width:min(820px,100% - 40px)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--gold);color:#000;padding:8px 12px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--gold-2);outline-offset:3px;border-radius:6px}

/* NAV */
.nav{position:fixed;inset:0 0 auto;z-index:50;display:flex;align-items:center;gap:24px;padding:14px max(20px,calc((100vw - 1180px)/2));
  transition:background .4s,border-color .4s,padding .4s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(6,10,19,.72);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-color:var(--line);padding-block:10px}
.brand{display:flex;align-items:center;gap:10px;color:var(--gold-2);text-decoration:none;font-family:var(--caps);font-size:1.15rem;letter-spacing:.06em;margin-right:auto;white-space:nowrap}
.brand svg{width:26px;height:26px;color:var(--gold)}
.nav nav{display:flex;gap:22px}
.nav nav a{color:var(--muted);text-decoration:none;font-size:.86rem;letter-spacing:.08em;text-transform:uppercase;transition:color .2s}
.nav nav a:hover{color:var(--gold-2)}

/* BUTTONS */
.btn{--h:52px;display:inline-flex;align-items:center;justify-content:center;min-height:var(--h);padding:0 28px;border-radius:999px;border:1px solid var(--gold);
  background:linear-gradient(135deg,#f0d898,var(--gold) 45%,#a8833f);color:#14100a;font:600 .92rem/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;text-decoration:none;cursor:pointer;
  box-shadow:0 10px 30px -10px rgba(201,164,92,.6),inset 0 1px 0 rgba(255,255,255,.5);transition:transform .25s,box-shadow .25s;position:relative;overflow:hidden}
.btn::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.45) 50%,transparent 70%);transform:translateX(-120%);transition:transform .7s}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 40px -12px rgba(201,164,92,.75),inset 0 1px 0 rgba(255,255,255,.5)}
.btn:hover::after{transform:translateX(120%)}
.btn-ghost{background:rgba(201,164,92,.06);color:var(--gold-2);box-shadow:none;backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(201,164,92,.14);box-shadow:none}
.btn-sm{--h:40px;padding:0 18px;font-size:.78rem}

/* GLASS */
.glass{background:linear-gradient(160deg,rgba(24,38,68,.62),rgba(10,17,33,.5));border:1px solid var(--glass-b);border-radius:var(--r);
  backdrop-filter:blur(14px) saturate(130%);-webkit-backdrop-filter:blur(14px) saturate(130%);box-shadow:0 30px 60px -30px rgba(0,0,0,.7),inset 0 1px 0 rgba(255,255,255,.05)}

/* HERO */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:110px 0 80px;overflow:hidden;isolation:isolate}
.chart{display:block;width:100%}
.chart-hero{position:absolute;inset:auto 0 0 34%;width:66%;height:60%;opacity:.42;z-index:-1;-webkit-mask-image:linear-gradient(to top,#000 35%,transparent),linear-gradient(to right,transparent,#000 30%);-webkit-mask-composite:source-in;mask-image:linear-gradient(to top,#000 35%,transparent),linear-gradient(to right,transparent,#000 30%);mask-composite:intersect}
.grid-lines{position:absolute;inset:0;z-index:-2;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;opacity:.35;
  -webkit-mask-image:radial-gradient(ellipse at 60% 40%,#000 10%,transparent 70%);mask-image:radial-gradient(ellipse at 60% 40%,#000 10%,transparent 70%)}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.kicker{font-family:var(--caps);color:var(--gold);letter-spacing:.22em;font-size:.98rem;margin-bottom:1.4em}
.kicker .dot{font-size:.6em;vertical-align:middle;margin:0 .5em;opacity:.8}
.hero h1{font-size:clamp(3.2rem,9.5vw,7.2rem);line-height:.92;letter-spacing:.01em;font-family:var(--caps);font-weight:600;margin-bottom:.32em;
  background:linear-gradient(180deg,#fbf0cc 0%,#e7cd8e 35%,#c9a45c 65%,#8e6f33 100%);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 8px 30px rgba(201,164,92,.18))}
.hero h1 span{display:inline-block}
.subtitle{font-family:var(--serif);font-style:italic;font-size:clamp(1.2rem,2.3vw,1.6rem);line-height:1.35;color:#ddd5c3;max-width:30ch}
.lead{font-family:var(--serif);font-size:clamp(1.25rem,2.4vw,1.55rem);line-height:1.35;color:var(--gold-2);border-left:1px solid var(--gold);padding-left:18px;margin-top:1.4em}
.ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:2em}
.ctas.center{justify-content:center}
.byline{margin-top:2.2em;font-family:var(--caps);letter-spacing:.2em;color:var(--muted);font-size:.95rem}

/* 3D BOOK */
.hero-book{display:flex;justify-content:center}
.book-stage{perspective:1600px;position:relative;width:min(340px,72vw);aspect-ratio:5/8}
.book{--rx:4deg;--ry:-24deg;position:absolute;inset:0;transform-style:preserve-3d;transform:rotateX(var(--rx)) rotateY(var(--ry));transition:transform .6s cubic-bezier(.2,.7,.2,1);animation:float 7s ease-in-out infinite}
.book>div{position:absolute;backface-visibility:hidden}
.book-front{inset:0;transform:translateZ(18px);border-radius:2px 6px 6px 2px;overflow:hidden;box-shadow:0 0 0 1px rgba(231,205,142,.15)}
.book-front img{width:100%;height:100%;object-fit:cover}
.shine{position:absolute;inset:0;background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.14) 48%,transparent 60%);transform:translateX(var(--sx,-30%));transition:transform .6s;pointer-events:none}
.book-front::before{content:"";position:absolute;inset:0 auto 0 0;width:14px;background:linear-gradient(90deg,rgba(0,0,0,.45),rgba(255,255,255,.08),transparent);z-index:2}
.book-spine{top:0;bottom:0;left:0;width:36px;transform:rotateY(-90deg) translateZ(18px);transform-origin:center;left:-18px;
  background:linear-gradient(90deg,#070d1c,#13213f 50%,#070d1c);display:flex;align-items:center;justify-content:center}
.book-spine span{writing-mode:vertical-rl;font-family:var(--caps);color:var(--gold);font-size:.7rem;letter-spacing:.2em;white-space:nowrap}
.book-pages{top:3px;bottom:3px;right:-17px;width:34px;transform:rotateY(90deg);transform-origin:center;
  background:repeating-linear-gradient(90deg,#f1ebdc 0 1px,#d8d0bd 1px 2px);border-radius:0 2px 2px 0}
.book-back{inset:0;transform:translateZ(-18px) rotateY(180deg);background:#0a1224}
.book-shadow{position:absolute;left:8%;right:-6%;bottom:-38px;height:40px;background:radial-gradient(ellipse at center,rgba(0,0,0,.65),transparent 70%);filter:blur(6px);animation:shadow 7s ease-in-out infinite}
.book-stage::before{content:"";position:absolute;inset:-25%;background:radial-gradient(circle,rgba(201,164,92,.22),transparent 60%);filter:blur(20px);z-index:-1}
@keyframes float{0%,100%{translate:0 0}50%{translate:0 -14px}}
@keyframes shadow{0%,100%{opacity:1;transform:scaleX(1)}50%{opacity:.7;transform:scaleX(.9)}}
.scroll-cue{position:absolute;bottom:22px;left:50%;translate:-50% 0;width:26px;height:42px;border:1px solid var(--gold-3);border-radius:14px}
.scroll-cue span{position:absolute;left:50%;top:8px;width:3px;height:8px;margin-left:-1.5px;border-radius:2px;background:var(--gold);animation:cue 2s infinite}
@keyframes cue{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}

/* SECTIONS */
.section{position:relative;padding:clamp(80px,12vw,140px) 0}
.section+.section{border-top:1px solid rgba(201,164,92,.08)}
.eyebrow{font-family:var(--caps);color:var(--gold);letter-spacing:.24em;font-size:.95rem;margin-bottom:1em;display:flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:34px;height:1px;background:linear-gradient(90deg,transparent,var(--gold))}
.intro{color:var(--muted);max-width:60ch;font-size:1.05rem}

/* IDEA */
.idea-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center;margin-top:28px}
.pull{margin:0 0 1.6em;padding:0}
.pull p{font-family:var(--serif);font-style:italic;font-size:clamp(1.35rem,2.6vw,1.75rem);line-height:1.38;color:#efe5cb}
.pull cite{display:block;font-style:normal;font-family:var(--caps);letter-spacing:.14em;color:var(--gold);font-size:.88rem}
.pull.small p{font-size:clamp(1.2rem,2.2vw,1.5rem)}
.idea-text>p{color:#c9cfdb}
.facts{list-style:none;padding:0;margin:1.6em 0 0;display:grid;gap:12px}
.facts li{padding:14px 16px 14px 44px;border:1px solid var(--line);border-radius:12px;position:relative;color:#c9cfdb;background:rgba(201,164,92,.03)}
.facts li::before{content:"";position:absolute;left:16px;top:22px;width:14px;height:2px;background:var(--gold);box-shadow:0 0 10px var(--gold)}
.facts b{color:var(--gold-2);font-weight:600}
.chart-card{margin:0;padding:18px 18px 14px;overflow:hidden}
.chart-head{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.live{display:inline-flex;align-items:center;gap:8px}
.live i{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 0 rgba(201,164,92,.6);animation:pulse 2s infinite}
@keyframes pulse{to{box-shadow:0 0 0 10px rgba(201,164,92,0)}}
.touches b{color:var(--gold-2);font-variant-numeric:tabular-nums;display:inline-block;min-width:1.5ch}
.touches b.bump{animation:bump .5s}
@keyframes bump{40%{transform:scale(1.5);color:#fff}}
.chart-main{height:clamp(260px,40vw,400px);border-radius:12px;background:linear-gradient(180deg,rgba(4,8,16,.6),rgba(10,18,34,.3));border:1px solid rgba(201,164,92,.1)}
.chart-card figcaption{font-size:.8rem;color:var(--muted);margin-top:12px;line-height:1.5}

/* LEARN */
.cards{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;margin-top:40px}
.card{padding:30px 28px;grid-column:span 2;transition:transform .35s,border-color .35s}
.card:hover{transform:translateY(-4px);border-color:rgba(231,205,142,.35)}
.card.wide{grid-column:span 2}
.learn .card:nth-child(4){grid-column:2 / span 2}
.learn .card:nth-child(5){grid-column:4 / span 2}
.card p{color:#c3c9d6;margin:0}
.num{display:block;font-family:var(--caps);font-size:2.4rem;line-height:1;color:transparent;-webkit-text-stroke:1px var(--gold);margin-bottom:18px;opacity:.8}
.cards.three .card{grid-column:span 2}

/* TOC */
.toc{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:40px;align-items:start}
.part{padding:0;overflow:hidden}
.part summary{list-style:none;display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:22px 24px;cursor:pointer}
.part summary::-webkit-details-marker{display:none}
.pnum{font-family:var(--caps);color:var(--gold);font-size:1.5rem;min-width:2.2ch}
.pname{font-family:var(--serif);font-size:1.35rem;line-height:1.2;color:var(--ink)}
.pcount{font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:10px;white-space:nowrap}
.pcount::after{content:"";width:9px;height:9px;border-right:1.5px solid var(--gold);border-bottom:1.5px solid var(--gold);transform:rotate(45deg) translateY(-3px);transition:transform .3s}
.part[open] .pcount::after{transform:rotate(225deg) translateY(-1px)}
.part ol,.part ul{margin:0;padding:4px 26px 22px 58px;color:#c3c9d6;border-top:1px solid var(--line);padding-top:16px}
.part li{padding:5px 0}
.part ol li::marker{color:var(--gold);font-family:var(--caps)}
.part li.hl{color:var(--gold-2);font-weight:600}
.part li.hl::after{content:"The key-levels chapter";display:inline-block;margin-left:10px;font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;border:1px solid var(--gold-3);border-radius:99px;padding:1px 8px;color:var(--gold);vertical-align:middle;font-weight:500}
.appx{list-style:none;padding-left:26px!important}
.appx b{color:var(--gold);font-family:var(--caps);margin-right:10px}
.after{margin:0;padding:0 26px 22px 58px;color:var(--muted);font-style:italic}

/* EXCERPT */
.page{position:relative;margin-top:30px;padding:clamp(28px,6vw,64px);border-radius:6px;background:linear-gradient(180deg,#f6f0e2,#ece3cf);color:#2a2418;box-shadow:0 40px 80px -30px rgba(0,0,0,.8),0 0 0 1px rgba(201,164,92,.3);
  font-family:var(--serif);font-size:clamp(1.12rem,2.2vw,1.28rem);line-height:1.65}
.page::before{content:"";position:absolute;inset:12px;border:1px solid rgba(142,111,51,.3);pointer-events:none;border-radius:3px}
.page h3{font-family:var(--serif);font-style:italic;color:#7a5a22;font-size:1.4em;margin:1.3em 0 .5em}
.dropcap::first-letter{font-family:var(--caps);float:left;font-size:3.6em;line-height:.85;padding:.06em .1em 0 0;color:#8e6f33}
.page .fade{text-align:center;color:#8e6f33;margin:0}
.excerpt .ctas{margin-top:40px}

/* AUTHOR */
.author-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(36px,6vw,80px);align-items:center}
.portrait{position:relative;margin:0}
.portrait img{border-radius:14px;width:100%;aspect-ratio:1000/1346;object-fit:cover;filter:saturate(.92) contrast(1.03)}
.portrait .frame{position:absolute;inset:-14px 14px 14px -14px;border:1px solid var(--gold-3);border-radius:18px;z-index:-1}
.portrait::after{content:"";position:absolute;inset:0;border-radius:14px;background:linear-gradient(180deg,transparent 60%,rgba(6,10,19,.55));pointer-events:none}
.author-copy p{color:#c9cfdb;font-size:1.05rem}
.author-copy p b{color:var(--ink)}
.tags{list-style:none;padding:0;margin:1.6em 0 0;display:flex;flex-wrap:wrap;gap:10px}
.tags li{border:1px solid var(--line);border-radius:99px;padding:6px 14px;font-size:.8rem;letter-spacing:.06em;color:var(--gold-2);background:rgba(201,164,92,.05)}

/* WORLD */
.world{overflow:hidden}
.globe{position:absolute;right:-220px;top:50%;translate:0 -50%;width:640px;height:640px;border-radius:50%;opacity:.22;pointer-events:none;
  background:repeating-radial-gradient(circle at 50% 50%,transparent 0 38px,rgba(201,164,92,.5) 39px 40px),repeating-linear-gradient(90deg,transparent 0 52px,rgba(201,164,92,.35) 53px 54px);
  -webkit-mask-image:radial-gradient(circle,#000 55%,transparent 71%);mask-image:radial-gradient(circle,#000 55%,transparent 71%);animation:spin 80s linear infinite}
@keyframes spin{to{rotate:360deg}}
.world .pull{max-width:820px}

/* FAQ */
.faq-list{display:grid;gap:12px;margin-top:30px}
.faq-list details{padding:0;border-radius:14px}
.faq-list summary{list-style:none;cursor:pointer;padding:20px 56px 20px 24px;font-family:var(--serif);font-size:1.3rem;position:relative;line-height:1.3}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:24px;top:50%;translate:0 -50%;color:var(--gold);font-family:var(--sans);font-size:1.4rem;transition:rotate .3s}
.faq-list details[open] summary::after{rotate:45deg}
.faq-list details p{padding:0 24px 22px;margin:0;color:#c3c9d6}

/* NOTIFY */
.notify{overflow:hidden;isolation:isolate}
.chart-cta{position:absolute;inset:0;height:100%;opacity:.22;z-index:-1;-webkit-mask-image:linear-gradient(to bottom,transparent,#000 30%,#000 70%,transparent);mask-image:linear-gradient(to bottom,transparent,#000 30%,#000 70%,transparent)}
.notify-card{display:grid;grid-template-columns:170px 1fr;gap:36px;padding:clamp(26px,5vw,48px);align-items:center}
.mini-cover{border-radius:4px;box-shadow:0 30px 60px -20px rgba(0,0,0,.9),0 0 0 1px rgba(231,205,142,.2);transform:rotate(-4deg)}
.notify h2{font-size:clamp(1.8rem,4.2vw,2.7rem)}
.notify h2 i{font-style:italic}
.notify-form{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.4em}
.notify-form input{flex:1 1 220px;min-height:52px;border-radius:999px;border:1px solid var(--glass-b);background:rgba(4,8,16,.6);color:var(--ink);padding:0 22px;font:inherit;font-size:1rem}
.notify-form input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 4px rgba(201,164,92,.15)}
.notify-form input[aria-invalid=true]{border-color:#d07a6a}
.form-msg{flex-basis:100%;margin:0;font-size:.85rem;color:#e39a8a;min-height:1.2em}
.thanks{margin-top:1.4em;padding:20px 22px;border:1px solid var(--gold-3);border-radius:14px;background:rgba(201,164,92,.07);animation:in .6s both}
.thanks-title{font-family:var(--serif);font-size:1.7rem;color:var(--gold-2);margin:0 0 .2em}
.thanks p:last-child{margin:0;color:#c9cfdb}
@keyframes in{from{opacity:0;transform:translateY(8px)}}
.placeholder-note{font-size:.78rem;color:var(--muted);margin:14px 0 6px}
.ph{display:inline-block;font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;border:1px dashed #e0b25a;color:#e0b25a;border-radius:6px;padding:1px 7px;margin-right:6px}
.retail{margin:0}
.ph-link{display:inline-block;border:1px dashed #e0b25a;color:#e0b25a;border-radius:10px;padding:8px 14px;font-size:.85rem;text-decoration:none;cursor:not-allowed}

/* FOOTER */
.footer{border-top:1px solid var(--line);padding:50px 0 calc(40px + env(safe-area-inset-bottom));background:rgba(3,6,12,.6)}
.foot-inner{display:grid;grid-template-columns:1fr 1.6fr;gap:24px 50px}
.foot-title{font-family:var(--caps);color:var(--gold-2);font-size:1.3rem;letter-spacing:.06em;margin:0}
.muted{color:var(--muted);font-size:.85rem}
.disclaimer{font-size:.85rem;color:var(--muted);margin:0}
.disclaimer b{color:var(--ink)}
.copy{grid-column:1/-1;font-size:.8rem;color:#6f788a;margin:0;border-top:1px solid rgba(201,164,92,.08);padding-top:20px}

/* REVEAL */
.js .reveal{opacity:0;transform:translateY(26px);filter:blur(4px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1),filter .9s}
.js .reveal.in{opacity:1;transform:none;filter:none}

/* RESPONSIVE */
@media (max-width:980px){
  .nav nav{display:none}
  .hero-inner,.idea-grid,.author-grid{grid-template-columns:1fr}
  .hero{padding-top:96px}
  .hero-book{order:-1}
  .book-stage{width:min(220px,52vw)}
  .cards{grid-template-columns:1fr 1fr}
  .card,.cards.three .card,.learn .card:nth-child(4),.learn .card:nth-child(5){grid-column:auto}
  .learn .card:nth-child(5){grid-column:1/-1}
  .cards.three .card:last-child{grid-column:1/-1}
  .toc{grid-template-columns:1fr}
  .portrait{max-width:460px}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .wrap,.narrow{width:calc(100% - 36px)}
  .brand span{font-size:1rem}
  .nav{gap:12px}
  .hero{min-height:auto;padding:90px 0 90px}
  .hero-inner{gap:28px}
  .hero-copy{text-align:center}
  .kicker{font-size:.82rem;letter-spacing:.16em}
  .kicker .dot{display:none}
  .kicker .ed{display:block;margin-top:.3em}
  .chart-hero{inset:auto 0 0 0;width:100%;height:30%;opacity:.3}
  .book-stage{width:min(190px,50vw)}
  .subtitle{margin-inline:auto}
  .lead{border-left:0;padding-left:0;border-top:1px solid var(--gold-3);padding-top:16px;display:inline-block}
  .ctas{justify-content:center}
  .ctas .btn{flex:1 1 100%}
  .cards,.cards.three{grid-template-columns:1fr}
  .learn .card:nth-child(5),.cards.three .card:last-child{grid-column:auto}
  .part summary{grid-template-columns:auto 1fr;padding:18px}
  .pcount{grid-column:2;font-size:.68rem}
  .pname{font-size:1.2rem}
  .part ol{padding:14px 18px 18px 44px}
  .after{padding:0 18px 18px 44px}
  .notify-card{grid-template-columns:1fr;text-align:left}
  .mini-cover{width:120px}
  .notify-form .btn{flex:1 1 100%}
  .foot-inner{grid-template-columns:1fr}
  .globe{width:420px;height:420px;right:-200px}
  .portrait .frame{inset:-10px 10px 10px -10px}
  .scroll-cue{display:none}
  .page::before{inset:8px}
}
@media (max-width:380px){.brand span{display:none}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none;filter:none}
}

/* SAMPLE FLIPBOOK */
.sample{position:relative}
.sample-lead{color:var(--muted);max-width:620px}
.flipbook{position:relative;margin-top:34px;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.flipbook *{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-user-drag:none}
.fb-stage{position:relative;max-width:1060px;margin:0 auto;padding:clamp(14px,3vw,34px);border-radius:var(--r);
  background:radial-gradient(800px 380px at 50% 0%,rgba(40,64,120,.45),transparent 70%),linear-gradient(160deg,rgba(24,38,68,.55),rgba(8,14,28,.6));
  border:1px solid var(--glass-b);box-shadow:0 40px 90px -40px rgba(0,0,0,.85),inset 0 1px 0 rgba(255,255,255,.05);outline-offset:4px}
.fb-stage::after{content:"";position:absolute;left:50%;bottom:10px;width:70%;height:30px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(0,0,0,.6),transparent);filter:blur(6px);pointer-events:none;z-index:-1}
.fb-book{margin:0 auto;transition:filter .25s ease}
.fb-page{background:#f7f4ee;overflow:hidden}
.fb-img{position:absolute;inset:0;background:#f7f4ee center/100% 100% no-repeat;pointer-events:none}
.fb-page.fb-hard .fb-img{background-color:#0b1426}
.fb-page[data-loaded] .fb-img{animation:fbIn .35s ease}
@keyframes fbIn{from{opacity:.2}to{opacity:1}}
.fb-end{background:radial-gradient(500px 400px at 50% 20%,rgba(46,72,130,.55),transparent 70%),linear-gradient(180deg,#0e1a33,#070c18)!important;border:1px solid rgba(201,164,92,.35)}
.fb-end-inner{position:absolute;inset:6%;border:1px solid rgba(201,164,92,.45);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:8%;gap:6px}
.fb-end-inner svg{width:46px;height:46px;color:var(--gold);margin-bottom:8px}
.fb-end-kicker{font:600 .72rem/1 var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin:0}
.fb-end-title{font-family:var(--serif);font-size:clamp(1.4rem,3vw,2.1rem);line-height:1.1;margin:.3em 0;background:linear-gradient(180deg,#f3e2b4,var(--gold) 70%,var(--gold-3));-webkit-background-clip:text;background-clip:text;color:transparent}
.fb-end-copy{color:var(--ink);opacity:.8;font-size:.9rem;max-width:30ch;margin:0 0 1em}
.fb-end .btn{--h:44px;font-size:.8rem;padding:0 22px}
/* lock / shield */
.fb-shield{position:absolute;inset:0;border-radius:var(--r);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .25s;z-index:20}
.fb-shield-msg{font:600 .8rem/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--gold-2);padding:14px 22px;border-radius:999px;border:1px solid var(--gold);background:rgba(6,10,19,.75);backdrop-filter:blur(6px)}
.flipbook[data-locked] .fb-book{filter:blur(16px) saturate(.6) brightness(.7)}
.flipbook[data-locked] .fb-shield{opacity:1}
.flipbook[data-locked="hard"] .fb-shield{pointer-events:auto;cursor:pointer}
.fb-controls{display:flex;align-items:center;justify-content:center;gap:22px;margin-top:22px}
.fb-btn{width:52px;height:52px;border-radius:50%;border:1px solid var(--gold);background:rgba(201,164,92,.08);color:var(--gold-2);display:grid;place-items:center;cursor:pointer;transition:background .2s,transform .2s}
.fb-btn svg{width:22px;height:22px}
.fb-btn:hover{background:rgba(201,164,92,.2);transform:translateY(-1px)}
.fb-btn:disabled{opacity:.35;cursor:default;transform:none}
.fb-count{margin:0;min-width:130px;text-align:center;font:500 .85rem/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.fb-count b{color:var(--gold-2);font-weight:600}
.fb-note{text-align:center;color:var(--muted);font-size:.78rem;opacity:.75;margin:14px 0 0}
.flipbook:not(.fb-ready) .fb-book{display:grid;grid-template-columns:1fr;max-width:420px}
.flipbook:not(.fb-ready) .fb-page{position:relative;aspect-ratio:2/3}
.flipbook:not(.fb-ready) .fb-page:not(:first-child){display:none}
@media print{.flipbook,.sample{display:none!important}}
.fb-book{transition:filter .25s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.flipbook.fb-at-start .fb-book{transform:translateX(-25%)}
.flipbook.fb-at-end .fb-book{transform:translateX(25%)}
.fb-card{background:radial-gradient(500px 400px at 50% 20%,rgba(46,72,130,.55),transparent 70%),linear-gradient(180deg,#0e1a33,#070c18)!important;border:1px solid rgba(201,164,92,.35)}
.fb-divider .fb-end-title{font-size:clamp(1.3rem,2.6vw,1.9rem)}