/* Profitable Earth book and learning surfaces. Every selector is scoped. */
.pe-lh{--lh-warm:#F7F4EA;--lh-navy:#0B1F33;--lh-blue:#1E70E8;--lh-text:#293744;--lh-muted:#52606D;--lh-rule:#D6DEDF;--lh-white:#fff;--lh-soft:#EDF2F2;--lh-green:#3E6B43;--lh-ochre:#78572C;color:var(--lh-text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
.pe-lh,.pe-lh *{box-sizing:border-box}.pe-lh [hidden]{display:none!important}.pe-lh .pe-lh-wrap{width:min(78rem,calc(100% - 2 * clamp(1rem,4vw,3rem)));margin-inline:auto}.pe-lh h1,.pe-lh h2,.pe-lh h3,.pe-lh p,.pe-lh figure{margin:0}.pe-lh h1,.pe-lh h2{color:var(--lh-navy);font-family:Lora,Georgia,serif;letter-spacing:-.035em;text-wrap:balance;overflow-wrap:normal}.pe-lh h1{font-size:clamp(2.3rem,3.8vw,3.55rem);line-height:1.13;font-weight:600}.pe-lh h2{font-size:clamp(1.95rem,3.1vw,2.8rem);line-height:1.2;font-weight:600}.pe-lh h3{font-family:Inter,system-ui,sans-serif;color:var(--lh-navy);font-size:1.2rem;line-height:1.4;font-weight:650;letter-spacing:-.015em;overflow-wrap:normal}.pe-lh p{font-size:1rem;line-height:1.7}.pe-lh p+p{margin-top:1rem}.pe-lh a{color:var(--lh-navy);text-underline-offset:4px}.pe-lh img{max-width:100%;height:auto}.pe-lh :where(a,button,summary,input,select,textarea):focus-visible{outline:3px solid var(--lh-blue);outline-offset:5px;box-shadow:0 0 0 2px var(--lh-white)}.pe-lh .pe-lh-eyebrow{margin:0 0 1.1rem;color:var(--lh-muted);font-size:.75rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;line-height:1.5}.pe-lh .pe-lh-small{font-size:.82rem;line-height:1.6;color:var(--lh-muted)}.pe-lh .pe-lh-section{padding-block:clamp(3.5rem,7vw,6rem)}.pe-lh .pe-lh-section-intro{max-width:43rem;margin-bottom:2.5rem}.pe-lh .pe-lh-section-intro>p:last-child{max-width:57ch;margin-top:1.2rem;font-size:1.08rem}.pe-lh .pe-lh-intro-wide{max-width:50rem}.pe-lh .pe-lh-actions{display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap;margin-top:1.8rem}.pe-lh .pe-lh-button{display:inline-flex;align-items:center;justify-content:center;gap:.65rem;min-height:48px;padding:.75rem 1.15rem;border:1px solid var(--lh-navy);border-radius:6px;background:var(--lh-navy);color:var(--lh-white)!important;font-family:Inter,system-ui,sans-serif;font-size:.95rem;line-height:1.45;font-weight:650;text-decoration:none;cursor:pointer;transition:background-color .16s,border-color .16s;filter:none}.pe-lh .pe-lh-button-primary{background:var(--lh-blue);border-color:var(--lh-blue);color:var(--lh-white)!important}.pe-lh .pe-lh-button-primary:hover{background:#155CC5;border-color:#155CC5;filter:none}.pe-lh .pe-lh-button-secondary{background:var(--lh-white);border-color:var(--lh-rule);color:var(--lh-navy)!important}.pe-lh .pe-lh-button-secondary:hover{background:var(--lh-soft);filter:none}.pe-lh .pe-lh-text-link{display:inline-flex;align-items:center;gap:.65rem;min-height:44px;font-size:.95rem;font-weight:600;text-decoration:underline;text-decoration-thickness:1px}.pe-lh .pe-lh-text-link:hover{text-decoration-thickness:2px}.pe-lh section[id]{scroll-margin-top:calc(var(--pe-admin,0px) + var(--pe-header,110px) + 24px)}

/* The real front and back art are shown in full, without simulated book faces. */
.pe-lh .pe-lh-hero{padding:1.4rem 0 0;background:var(--lh-warm)}.pe-lh .pe-lh-breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:.65rem;font-size:.82rem;color:var(--lh-muted);margin-bottom:clamp(1.5rem,4vw,3rem)}.pe-lh .pe-lh-breadcrumb a{display:inline-flex;align-items:center;min-height:36px;color:var(--lh-muted);text-decoration:none}.pe-lh .pe-lh-breadcrumb a:hover{text-decoration:underline}.pe-lh .pe-lh-hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}.pe-lh .pe-lh-hero-grid>*{min-width:0}.pe-lh .pe-lh-subtitle{font-size:clamp(1.08rem,1.6vw,1.25rem);line-height:1.55;color:var(--lh-navy);margin-top:1.5rem;max-width:35ch}.pe-lh .pe-lh-author-line{font-size:.9rem;margin-top:1rem}.pe-lh .pe-lh-author-line strong{font-weight:600}.pe-lh .pe-lh-lead{font-size:1.07rem;line-height:1.7;max-width:48ch;margin-top:1.6rem}.pe-lh .pe-lh-purchase-note{margin-top:.85rem}.pe-lh .pe-lh-cover-gallery{display:grid;grid-template-columns:1fr 1fr;gap:clamp(.8rem,1.6vw,1.5rem);align-items:start;padding-block:1.5rem;position:relative}.pe-lh .pe-lh-cover-gallery:before{content:"";position:absolute;inset:10% -1.25rem 8%;border-radius:50%;background:radial-gradient(ellipse,#dae3e3 0%,#e7ece8 42%,transparent 70%);opacity:.75;pointer-events:none}.pe-lh .pe-lh-cover-figure{position:relative;min-width:0;z-index:1}.pe-lh .pe-lh-cover-back{margin-top:2rem}.pe-lh .pe-lh-cover-link{display:block;position:relative;background:#fff;box-shadow:0 12px 25px #0b1f3324,0 1px 4px #0b1f3314;transition:transform .18s,box-shadow .18s}.pe-lh .pe-lh-cover-link:hover{transform:translateY(-3px);box-shadow:0 16px 30px #0b1f332b,0 1px 4px #0b1f3314}.pe-lh .pe-lh-cover-link img{display:block;width:100%;height:auto;aspect-ratio:7/10;object-fit:contain}.pe-lh .pe-lh-zoom-mark{position:absolute;right:.5rem;bottom:.5rem;display:grid;place-items:center;width:32px;height:32px;border:1px solid #c7d3dd;border-radius:5px;background:#fff;color:var(--lh-navy);box-shadow:0 2px 5px #0b1f3320}.pe-lh .pe-lh-zoom-mark svg{width:18px;height:18px}.pe-lh .pe-lh-cover-figure figcaption{display:flex;justify-content:space-between;gap:.5rem;flex-wrap:wrap;font-size:.72rem;line-height:1.5;color:var(--lh-navy);font-weight:600;padding-top:.8rem}.pe-lh .pe-lh-cover-figure figcaption span{color:var(--lh-muted);font-weight:400}.pe-lh .pe-lh-book-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:clamp(2.8rem,5vw,4rem) 0 0;border-top:1px solid var(--lh-rule);border-bottom:1px solid var(--lh-rule);padding:1.8rem 0}.pe-lh .pe-lh-book-facts>div{display:flex;flex-direction:column-reverse;align-items:flex-start;gap:.6rem;padding:0 1.8rem}.pe-lh .pe-lh-book-facts>div:first-child{padding-left:0}.pe-lh .pe-lh-book-facts>div+div{border-left:1px solid var(--lh-rule)}.pe-lh .pe-lh-book-facts dt{font-size:.78rem;line-height:1.5;font-weight:500;color:var(--lh-muted)}.pe-lh .pe-lh-book-facts dd{font-family:Lora,Georgia,serif;font-size:2.5rem;line-height:1;color:var(--lh-navy);margin:0}

/* Four concrete questions make the analytical chain easy to scan. */
.pe-lh .pe-lh-evidence-path{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));list-style:none;padding:0;margin:0;border-top:1px solid var(--lh-rule)}.pe-lh .pe-lh-evidence-path li{min-width:0;padding:1.6rem 1.35rem 0 0;position:relative}.pe-lh .pe-lh-evidence-path li+li{padding-left:1.35rem;border-left:1px solid var(--lh-rule)}.pe-lh .pe-lh-step-top{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.35rem}.pe-lh .pe-lh-step-number{font-family:Lora,Georgia,serif;font-size:2.1rem;line-height:1;color:var(--lh-blue)}.pe-lh .pe-lh-step-top svg{width:42px;height:42px;color:var(--lh-muted)}.pe-lh .pe-lh-evidence-path h3{font-size:1.08rem;min-height:3.1em}.pe-lh .pe-lh-evidence-path p{font-size:.92rem;margin-top:.85rem}.pe-lh .pe-lh-step-question{display:block;font-size:.8rem;line-height:1.5;font-weight:600;margin-top:1.2rem;color:var(--lh-navy)}

/* An intentionally unnumbered timing illustration, not invented data. */
.pe-lh .pe-lh-timing-section{background:#EEF1ED;border-block:1px solid var(--lh-rule)}.pe-lh .pe-lh-timing-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:clamp(2rem,4.6vw,4rem);align-items:center}.pe-lh .pe-lh-timing-layout>*{min-width:0}.pe-lh .pe-lh-timing-copy>p:not(.pe-lh-eyebrow){margin-top:1.2rem}.pe-lh .pe-lh-timing-figure{padding:clamp(1.25rem,2.7vw,2.25rem);border:1px solid #d3dcda;border-radius:10px;background:var(--lh-white)}.pe-lh .pe-lh-figure-label{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.74rem;font-weight:650;color:var(--lh-navy);line-height:1.5}.pe-lh .pe-lh-figure-label span{font-weight:400;color:var(--lh-muted)}.pe-lh .pe-lh-timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));list-style:none;margin:2rem 0 1.8rem;padding:0;gap:1.1rem;position:relative}.pe-lh .pe-lh-timeline:before{content:"";position:absolute;top:7px;left:7px;right:7px;height:1px;background:#b9c5c6}.pe-lh .pe-lh-timeline li{position:relative;min-width:0;padding-top:2.1rem;display:flex;flex-direction:column;align-items:flex-start}.pe-lh .pe-lh-timeline-dot{position:absolute;top:0;left:0;width:15px;height:15px;border-radius:50%;background:var(--lh-white);border:3px solid var(--lh-ochre);z-index:1}.pe-lh .pe-lh-timeline-benefit .pe-lh-timeline-dot{border-color:var(--lh-green)}.pe-lh .pe-lh-phase{display:block;font-size:.7rem;line-height:1.45;color:var(--lh-muted);margin-bottom:.5rem;min-height:2.9em}.pe-lh .pe-lh-timeline h3{font-size:1.08rem}.pe-lh .pe-lh-timeline p{font-size:.82rem;line-height:1.65;margin-top:.6rem;margin-bottom:1rem}.pe-lh .pe-lh-cash-label{margin-top:auto;font-size:.68rem;line-height:1.4;font-weight:650;color:#62441F;border-bottom:2px solid #b78f56;padding:.35rem 0;max-width:100%}.pe-lh .pe-lh-timeline-benefit .pe-lh-cash-label{color:#34573B;border-color:#6b946f}.pe-lh .pe-lh-timing-question{border-top:1px solid var(--lh-rule);padding-top:1.3rem}.pe-lh .pe-lh-timing-question>span{display:block;font-size:.72rem;line-height:1.5;letter-spacing:.07em;text-transform:uppercase;color:var(--lh-muted);margin-bottom:.6rem}.pe-lh .pe-lh-timing-question strong{display:block;color:var(--lh-navy);font-family:Lora,Georgia,serif;font-size:1.3rem;line-height:1.45;font-weight:500}.pe-lh .pe-lh-figure-note{margin-top:1rem;font-size:.72rem}

/* Reading routes and a progressive-disclosure module outline. */
.pe-lh .pe-lh-reading-routes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.8rem}.pe-lh .pe-lh-reading-routes article{min-width:0;border-top:3px solid #9db3c0;padding-top:1.3rem;display:flex;flex-direction:column;align-items:flex-start}.pe-lh .pe-lh-route-label{font-size:.72rem;line-height:1.5;color:var(--lh-muted);font-weight:650;margin-bottom:1rem}.pe-lh .pe-lh-reading-routes h3{font-family:Lora,Georgia,serif;font-size:1.5rem;line-height:1.35;font-weight:500}.pe-lh .pe-lh-reading-routes p{font-size:.95rem;margin-top:1rem}.pe-lh .pe-lh-reading-routes .pe-lh-route-reference{font-size:.8rem;line-height:1.65;color:var(--lh-muted);padding-top:1.2rem;margin-top:auto}.pe-lh .pe-lh-module-outline{margin-top:2.5rem;border:1px solid var(--lh-rule);border-radius:7px;background:#fff}.pe-lh .pe-lh-module-outline summary{display:flex;align-items:center;gap:1rem;cursor:pointer;padding:1.15rem 1.3rem;font-size:.95rem;color:var(--lh-navy);font-weight:650;list-style:none;min-height:60px}.pe-lh .pe-lh-module-outline summary::-webkit-details-marker{display:none}.pe-lh .pe-lh-summary-meta{font-size:.78rem;font-weight:400;color:var(--lh-muted);margin-left:auto}.pe-lh .pe-lh-summary-icon{font-size:1.4rem;line-height:1;font-weight:400;transition:transform .15s}.pe-lh .pe-lh-module-outline[open] .pe-lh-summary-icon{transform:rotate(45deg)}.pe-lh .pe-lh-outline-content{padding:0 1.3rem 1.4rem;border-top:1px solid var(--lh-rule)}.pe-lh .pe-lh-foundations{padding-top:1.2rem;font-size:.92rem}.pe-lh .pe-lh-module-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 2rem;padding:0;margin:1.2rem 0;list-style:none}.pe-lh .pe-lh-module-list li{display:flex;align-items:baseline;gap:.75rem;padding:.7rem 0;border-top:1px solid #e7ecec;font-size:.86rem;line-height:1.55;min-width:0}.pe-lh .pe-lh-module-list li span{font-size:.73rem;color:var(--lh-blue);font-weight:700;flex:0 0 2.3rem}

/* WHYRA connects the book to the existing game, without inventing features. */
.pe-lh .pe-lh-practice-section{padding-top:0}.pe-lh .pe-lh-whyra-card{display:grid;grid-template-columns:.52fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center;padding:clamp(1.7rem,4vw,3.3rem);border:1px solid #c7d4d9;border-left:4px solid var(--lh-blue);background:#EAF0F0;border-radius:8px}.pe-lh .pe-lh-whyra-emblem{display:flex;align-items:center;justify-content:center;flex-direction:column;min-height:210px}.pe-lh .pe-lh-whyra-emblem>span:first-child{display:grid;place-items:center;width:100px;height:100px;border-radius:24px;background:var(--lh-navy);color:var(--lh-warm);font-family:Georgia,serif;font-style:italic;font-size:78px;line-height:1;box-shadow:8px 8px 0 #c8d6d9}.pe-lh .pe-lh-whyra-emblem-line{height:25px;width:1px;background:#9db3c0;margin-top:16px}.pe-lh .pe-lh-whyra-emblem-caption{font-size:.8rem;line-height:1.5;letter-spacing:.03em;color:var(--lh-muted);margin-top:.7rem;text-align:center}.pe-lh .pe-lh-whyra-copy>p:not(.pe-lh-eyebrow){max-width:58ch;margin:1.2rem 0 1.5rem}.pe-lh .pe-lh-whyra-copy h2 span{color:var(--lh-blue)}

/* Author, purchase choices and actual server-rendered interest controls. */
.pe-lh .pe-lh-author-section{padding-top:0}.pe-lh .pe-lh-author-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:clamp(2rem,5vw,4rem);border-top:1px solid var(--lh-rule);padding-top:clamp(2.5rem,5vw,4rem)}.pe-lh .pe-lh-author-layout>*{min-width:0}.pe-lh .pe-lh-author-layout h2{font-size:clamp(1.8rem,2.5vw,2.4rem)}.pe-lh .pe-lh-author-role{font-size:.85rem;color:var(--lh-muted);margin-top:.8rem}.pe-lh .pe-lh-get-section{background:#fff;border-block:1px solid var(--lh-rule)}.pe-lh .pe-lh-purchase-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.3rem}.pe-lh .pe-lh-purchase-card{padding:clamp(1.4rem,2.7vw,2.2rem);border:1px solid var(--lh-rule);border-radius:8px;display:flex;flex-direction:column;align-items:flex-start;min-width:0;background:#fff}.pe-lh .pe-lh-purchase-card>h3{font-family:Lora,Georgia,serif;font-size:1.65rem;font-weight:500;margin-top:1.2rem}.pe-lh .pe-lh-purchase-card>p:not(.pe-lh-small){margin:1rem 0 1.5rem;max-width:48ch}.pe-lh .pe-lh-purchase-card>.pe-lh-button,.pe-lh .pe-lh-purchase-card>.pe-lh-text-link{margin-top:auto}.pe-lh .pe-lh-purchase-card>.pe-lh-small{margin-top:.75rem}.pe-lh .pe-lh-availability,.pe-lh .pe-lh-status{display:inline-flex;align-items:center;gap:.5rem;font-size:.72rem;line-height:1.5;font-weight:650;letter-spacing:.02em;color:var(--lh-green)}.pe-lh .pe-lh-availability:before{content:"";width:6px;height:6px;background:var(--lh-green);border-radius:50%}.pe-lh .pe-lh-status{color:var(--lh-muted);padding:.2rem .55rem;border:1px solid #ccd6d8;border-radius:4px;background:#f7f9f8}.pe-lh .pe-lh-purchase-soon{background:#F8F9F6}.pe-lh .pe-lh-interest-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:start}.pe-lh .pe-lh-interest-layout>*{min-width:0}.pe-lh .pe-lh-interest-copy>p:not(.pe-lh-eyebrow){font-size:1.02rem;margin-top:1.2rem;max-width:49ch}.pe-lh .pe-lh-upcoming{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:2rem}.pe-lh .pe-lh-upcoming article{border-top:1px solid var(--lh-rule);padding-top:1.2rem;min-width:0}.pe-lh .pe-lh-upcoming h3{font-size:1.12rem;margin-top:.8rem}.pe-lh .pe-lh-upcoming p{font-size:.86rem;line-height:1.6;margin-top:.55rem}.pe-lh .pe-lh-interest-panel{padding:clamp(1.4rem,2.7vw,2rem);background:#fff;border:1px solid var(--lh-rule);border-radius:9px;overflow-wrap:anywhere}.pe-lh .pe-lh-interest-panel:empty{display:none}.pe-lh .pe-lh-interest-panel h3{font-family:Lora,Georgia,serif;font-size:1.55rem;line-height:1.35;font-weight:500;margin:0 0 1rem}.pe-lh .pe-lh-interest-panel p{font-size:.93rem}.pe-lh .pe-lh-interest-panel form{margin-top:1.4rem}.pe-lh .pe-lh-interest-panel label{font-family:Inter,system-ui,sans-serif;font-size:.9rem;line-height:1.55}.pe-lh .pe-lh-interest-panel input[type=checkbox]{width:20px;height:20px;min-width:20px;vertical-align:middle;accent-color:var(--lh-blue)}.pe-lh .pe-lh-interest-panel :is(input[type=email],input[type=text],textarea,select){width:100%;min-height:46px;padding:.7rem .8rem;color:var(--lh-navy);background:#fff;border:1px solid #8b9ba6;border-radius:5px;font-family:Inter,system-ui,sans-serif;font-size:1rem}.pe-lh .pe-lh-interest-panel button[type=submit]{background:var(--lh-blue);border-color:var(--lh-blue);color:#fff!important;min-height:48px}.pe-lh .pe-lh-interest-panel small{display:block;color:var(--lh-muted);font-size:.78rem;line-height:1.6;margin-top:.8rem}

/* Reusable home/Singapore promotional card. */
.pe-lh.pe-lh-book-card{display:grid;grid-template-columns:minmax(130px,.3fr) minmax(0,1fr);gap:clamp(1.4rem,3vw,2.8rem);align-items:center;border:1px solid var(--lh-rule);border-radius:10px;padding:clamp(1.4rem,3.5vw,2.5rem);background:#fff;max-width:100%;overflow:hidden}.pe-lh .pe-lh-card-cover{display:block;max-width:210px;width:100%;margin-inline:auto;box-shadow:0 7px 17px #0b1f3324;transition:transform .18s}.pe-lh .pe-lh-card-cover:hover{transform:translateY(-3px)}.pe-lh .pe-lh-card-cover img{display:block;width:100%;height:auto;aspect-ratio:7/10;object-fit:contain}.pe-lh .pe-lh-card-copy{min-width:0}.pe-lh .pe-lh-card-copy .pe-lh-eyebrow{margin-bottom:.8rem}.pe-lh .pe-lh-card-copy h3{font-family:Lora,Georgia,serif;font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.3;font-weight:500;text-wrap:balance;max-width:34ch}.pe-lh .pe-lh-card-copy h3 a{text-decoration:none}.pe-lh .pe-lh-card-copy h3 a:hover{text-decoration:underline}.pe-lh .pe-lh-card-copy>p:not(.pe-lh-eyebrow){max-width:65ch;font-size:.95rem;margin-top:.9rem}.pe-lh .pe-lh-card-copy .pe-lh-card-details{display:flex;align-items:center;flex-wrap:wrap;gap:.3rem 1rem;margin:1.1rem 0 1.3rem;font-size:.75rem;color:var(--lh-muted)}.pe-lh .pe-lh-card-details span{display:inline-flex;align-items:center;gap:.5rem}.pe-lh .pe-lh-card-details span:before{content:"";width:3px;height:3px;flex:none;background:#8e9ea8;border-radius:50%}

/* Native modal gives keyboard trapping and Escape support; links work without JS. */
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