:root{--navy:#23294c;--navy-deep:#171b34;--coral:#e8856a;--cream:#f7efd7;--ivory:#fffdf7;--white:#fff;--sky:#e8f7fb;--gold:#c7a44f;--ink:#242943;--muted:#64697d;--max:1120px;--radius:26px;--shadow:0 18px 42px rgba(35,41,76,.16)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ivory);color:var(--ink);font-family:"Poppins",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{color:inherit}
a{color:inherit}
h1,h2,h3,p{margin:0}
h1,h2,h3{color:var(--navy);line-height:1.05;letter-spacing:-.035em}
h1{font-size:clamp(3rem,5vw,5.1rem);font-weight:900;max-width:700px}
h2{font-size:clamp(2.25rem,4vw,4rem);font-weight:800}
h3{font-size:1.55rem;font-weight:800}
p{line-height:1.65}
section[id]{scroll-margin-top:88px}
.container{width:min(calc(100% - 48px),var(--max));margin-inline:auto}
.section{padding:clamp(58px,6vw,84px) 0}
.section--white{background:var(--ivory)}
.section--cream{background:var(--cream)}
.section--sky{background:var(--sky)}
.section--navy{background:var(--navy);color:#fff}
.eyebrow{margin-bottom:12px;color:var(--coral);font-size:.78rem;font-weight:900;letter-spacing:.095em;text-transform:uppercase}
.lead{font-size:clamp(1rem,1.4vw,1.13rem);line-height:1.65}
.button{display:inline-flex;min-height:48px;align-items:center;justify-content:center;border:1.5px solid transparent;border-radius:999px;padding:12px 22px;text-decoration:none;font-weight:800;font-size:.94rem;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease}
.button:hover{transform:translateY(-2px)}
.button--primary{background:var(--coral);color:#fff;box-shadow:0 8px 20px rgba(232,133,106,.22)}
.button--primary:hover{box-shadow:0 12px 24px rgba(232,133,106,.28)}
.button--secondary{background:transparent;border-color:var(--navy);color:var(--navy)}
.text-link{align-self:flex-start;margin-top:20px;padding:0;border:0;background:none;font-weight:800;cursor:pointer;text-decoration:underline;text-underline-offset:4px}
.text-link--light{color:#fff}
.skip-link{position:fixed;left:12px;top:12px;z-index:1000;transform:translateY(-180%);background:#fff;color:var(--navy);padding:10px 14px;border-radius:8px;font-weight:800}.skip-link:focus{transform:none}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.site-header{position:sticky;top:0;z-index:40;background:var(--navy);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.06)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;text-decoration:none;flex:0 0 auto}.brand img{width:150px;height:auto;display:block}
.nav{display:flex;align-items:center;gap:22px;font-size:.84rem;font-weight:700}
.nav>a:not(.button){color:#fff;text-decoration:none}
.nav>a:not(.button):hover{text-decoration:underline;text-underline-offset:5px}
.nav .button{min-height:40px;padding:9px 17px;font-size:.8rem}
.menu-toggle{display:none;border:1px solid rgba(255,255,255,.45);border-radius:999px;background:transparent;color:#fff;padding:8px 14px;font-weight:800}
.hero{overflow:hidden;background:radial-gradient(circle at 75% 25%,rgba(220,245,246,.8),transparent 34%),var(--cream)}
.hero .container{width:min(calc(100% - 48px),1280px)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:clamp(46px,5vw,72px);align-items:center;min-height:515px;padding:48px 0 58px}.hero-copy h1{font-size:clamp(3.35rem,4.2vw,4.6rem);max-width:650px;line-height:1.03;letter-spacing:-.04em}
.hero-copy .lead{max-width:650px;margin-top:20px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-facts{display:flex;flex-wrap:wrap;gap:0;margin-top:18px;color:var(--navy);font-size:.79rem;font-weight:800}
.hero-facts span{display:flex;align-items:center}.hero-facts span:not(:last-child)::after{content:"•";color:var(--gold);padding:0 12px}
.hero-art{position:relative;padding:0 54px 42px 0}
.hero-scene{overflow:hidden;border-radius:32px;box-shadow:var(--shadow)}
.hero-scene img{width:100%;aspect-ratio:1.78/1;object-fit:cover}
.hero-book{position:absolute;right:0;bottom:-1%;width:min(34%,280px);padding:0;border:0;background:transparent;cursor:pointer;transform:perspective(900px) rotateY(-3deg) rotateZ(1deg);z-index:2;transition:transform .2s ease;filter:drop-shadow(0 8px 5px rgba(35,41,76,.16)) drop-shadow(0 24px 26px rgba(35,41,76,.28));isolation:isolate}
.hero-book::before,.purchase-cover::before{content:"";position:absolute;inset:5px -7px 5px 6px;border-radius:3px 6px 6px 3px;background:linear-gradient(90deg,#e9e3d4,#fffdf6 45%,#d8d0bd);z-index:-1;box-shadow:4px 2px 0 rgba(35,41,76,.14)}
.hero-book:hover{transform:perspective(900px) rotateY(-3deg) rotateZ(1deg) translateY(-5px) scale(1.015)}
.preview-hint{position:absolute;left:50%;bottom:-13px;transform:translateX(-50%);white-space:nowrap;padding:7px 11px;border-radius:999px;background:var(--navy);color:#fff;font-size:.72rem;font-weight:800;box-shadow:0 8px 20px rgba(35,41,76,.18)}
.amazon-release{border-top:1px solid rgba(35,41,76,.05);border-bottom:1px solid rgba(35,41,76,.05)}
.amazon-release-grid{display:grid;grid-template-columns:minmax(250px,.72fr) minmax(0,1.28fr);gap:clamp(42px,7vw,86px);align-items:center;max-width:980px}
.amazon-release-image{display:block;width:min(100%,350px);margin-inline:auto;border-radius:20px;overflow:hidden;box-shadow:0 16px 38px rgba(35,41,76,.13);transition:transform .18s ease,box-shadow .18s ease}
.amazon-release-image:hover{transform:translateY(-4px);box-shadow:0 20px 44px rgba(35,41,76,.18)}
.amazon-release-image img{width:100%;height:auto}
.amazon-release-copy h2{max-width:610px}
.amazon-release-copy .lead{max-width:620px;margin-top:18px}
.amazon-release-copy .button{margin-top:24px}
.intro{text-align:center;max-width:780px;margin:0 auto 34px}.intro .lead{margin:18px auto 0}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{background:#fff;border:1px solid rgba(35,41,76,.10);border-radius:24px;padding:26px;box-shadow:0 10px 26px rgba(35,41,76,.09)}
.card-number{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-weight:900;margin-bottom:22px;box-shadow:0 7px 16px rgba(35,41,76,.18)}
.card p{margin-top:12px}
.preview-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(330px,.88fr);gap:26px;align-items:center}
.preview-image{padding:0;border:0;background:none;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow);line-height:0;cursor:pointer}
.preview-image img{width:100%}
.preview-copy{display:flex;flex-direction:column;justify-content:center;align-self:stretch;padding:clamp(30px,4vw,52px);border-radius:var(--radius);background:var(--navy);color:#fff}
.preview-copy h2{color:#fff}.preview-copy p{margin-top:18px}
.crew-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.crew-card{background:#fff;border:1px solid rgba(35,41,76,.10);border-radius:28px;overflow:hidden;box-shadow:0 10px 26px rgba(35,41,76,.09)}
.crew-image{aspect-ratio:1.08/1;background:#fff;display:grid;place-items:center;overflow:hidden}
.crew-image img{width:100%;height:100%;object-fit:cover}
.crew-copy{padding:22px}.crew-role{color:var(--coral);font-weight:900;text-transform:uppercase;letter-spacing:.08em;font-size:.75rem;margin-bottom:8px}.crew-copy p{margin-top:10px}
.story-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(44px,7vw,76px);align-items:center}
.story-image{overflow:hidden;border-radius:24px;box-shadow:0 14px 34px rgba(35,41,76,.11);line-height:0}.story-image img{width:100%;aspect-ratio:1.54/1;object-fit:cover}
.story-text-only{max-width:900px}
.story-text-only .story-copy{max-width:900px;margin-inline:auto}
.story-text-only .story-copy h2{max-width:860px}
.story-copy p{margin-top:20px;font-size:1.04rem}.story-copy .eyebrow{margin-top:0}
.activity-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(44px,7vw,90px);align-items:center}
.activity-heading h2{color:#fff;max-width:590px}.activity-details{color:#e7e9f2}.activity-details>p{margin-top:25px;max-width:590px}
.activity-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}
.activity-stat{padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.24)}.activity-stat strong{display:block;color:var(--coral);font-size:2rem;line-height:1;font-weight:900}.activity-stat span{display:block;margin-top:8px;color:#fff;font-size:.86rem;font-weight:800}
.purchase{display:grid;grid-template-columns:minmax(280px,.72fr) minmax(0,1.28fr);gap:clamp(44px,7vw,80px);align-items:center}
.purchase-cover{position:relative;max-width:400px;margin:auto;padding:0;border:0;background:transparent;cursor:pointer;filter:drop-shadow(0 8px 5px rgba(35,41,76,.14)) drop-shadow(0 24px 28px rgba(35,41,76,.24));transform:perspective(1000px) rotateY(2deg);isolation:isolate}
.purchase-subtitle{margin-top:16px}.price{font-size:1.45rem;font-weight:900;color:var(--navy);margin:18px 0}.price-note{max-width:650px;font-size:.79rem;color:#62677c;margin-top:12px}
.specs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px;margin:24px 0}.spec{padding:12px 0;border-bottom:1px solid rgba(35,41,76,.14)}
.route{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-top:42px}
.stop{background:#fff;border:1px solid rgba(35,41,76,.14);border-top:4px solid var(--navy);border-radius:20px;padding:20px 18px;box-shadow:0 10px 24px rgba(35,41,76,.09)}
.stop strong{display:block;color:var(--navy);font-size:.88rem}.stop small{display:block;margin-top:5px;color:#666;font-size:.72rem}.stop--active{box-shadow:0 14px 28px rgba(35,41,76,.13)}
.newsletter-section{padding-block:58px}
.newsletter-card{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(30px,5vw,70px);align-items:center;background:var(--navy);color:#fff;border-radius:28px;padding:clamp(34px,5vw,52px);box-shadow:0 16px 38px rgba(35,41,76,.13)}
.newsletter-copy h2{color:#fff;font-size:clamp(2rem,3.4vw,3.2rem)}.newsletter-copy>p:last-child{margin-top:13px;color:#e7e9f2;max-width:650px}
.newsletter-form{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:start}.newsletter-form input{width:100%;min-height:48px;border:1px solid transparent;border-radius:999px;background:#fff;color:var(--navy);padding:11px 17px;outline:none}.newsletter-form input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(199,164,79,.22)}.newsletter-note{grid-column:1/-1;color:#cfd2df;font-size:.7rem;line-height:1.5;margin-top:3px}.newsletter-status{grid-column:1/-1;color:#fff;font-size:.78rem;line-height:1.45;min-height:1.2em;margin:0}.form-honeypot{position:absolute;overflow:hidden;clip:rect(0 0 0 0);height:1px;width:1px;margin:-1px;padding:0;border:0}.newsletter-form button:disabled{opacity:.72;cursor:wait}
.footer{background:var(--navy-deep);color:#fff;padding:44px 0 26px}.footer h3{color:#fff}.footer-brand img{width:190px;height:auto;margin-bottom:10px}.footer-grid{display:grid;grid-template-columns:1.2fr .7fr .9fr .7fr;gap:40px}.footer-grid>div:first-child p{margin-top:0;max-width:420px;color:#e0e2eb}.footer a{color:#fff;text-decoration:none}.footer a:hover{text-decoration:underline;text-underline-offset:4px}.footer-links{display:grid;align-content:start;gap:9px}.footer-bottom{margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.15);font-size:.82rem;color:#d8d9e3}
.mobile-buy{display:none}
.book-preview{width:min(1060px,calc(100% - 32px));max-height:calc(100dvh - 32px);padding:0;border:0;border-radius:28px;background:#fff;color:var(--ink);box-shadow:0 30px 90px rgba(15,20,50,.28)}
.book-preview::backdrop{background:rgba(20,25,55,.72);backdrop-filter:blur(5px)}
.book-preview__shell{padding:26px}.book-preview__topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:18px}.book-preview__topbar h2{font-size:clamp(1.7rem,3vw,2.7rem)}.book-preview__close{flex:0 0 auto;width:44px;height:44px;border:1px solid rgba(35,41,76,.16);border-radius:50%;background:#fff;color:var(--navy);font-size:2rem;line-height:1;cursor:pointer}
.book-preview__viewport{display:grid;place-items:center;min-height:420px;max-height:65dvh;overflow:auto;border-radius:20px;background:var(--ivory);padding:20px}
.book-preview__slide{display:none;width:100%;margin:0;text-align:center}.book-preview__slide.is-active{display:grid;place-items:center;gap:12px}.book-preview__slide>img{width:auto;max-width:min(380px,80%);max-height:54dvh;object-fit:contain;box-shadow:0 14px 34px rgba(35,41,76,.16)}
.book-preview__scene-frame{width:min(880px,100%);overflow:hidden;border-radius:18px;line-height:0;box-shadow:0 14px 34px rgba(35,41,76,.12)}.book-preview__scene-frame img{width:100%}.book-preview__activity-frame{width:min(390px,90%);padding:12px;background:#fff;border:1px solid rgba(35,41,76,.12);border-radius:12px;box-shadow:0 14px 34px rgba(35,41,76,.14)}.book-preview__slide figcaption{max-width:720px;font-size:.82rem;color:#555b70}.book-preview__controls{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:18px}.book-preview__count{min-width:56px;text-align:center;font-weight:800;color:var(--navy)}
@media(max-width:1040px){.nav{gap:14px}.brand img{width:138px}.hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px}.hero-copy h1{font-size:clamp(3rem,5.5vw,4rem)}.route{grid-template-columns:repeat(3,1fr)}.newsletter-card{grid-template-columns:1fr}.newsletter-form{max-width:600px}}
@media(max-width:860px){.amazon-release-grid{grid-template-columns:1fr;gap:32px;text-align:center}.amazon-release-copy h2,.amazon-release-copy .lead{margin-inline:auto}.amazon-release-image{width:min(100%,320px)}body{padding-bottom:76px}.nav{display:none;position:absolute;top:72px;left:0;right:0;background:var(--navy);padding:22px 24px 28px;flex-direction:column;align-items:stretch;gap:16px;box-shadow:0 16px 25px rgba(16,20,43,.2)}.nav.is-open{display:flex}.nav .button{width:100%}.menu-toggle{display:block}.hero-grid,.preview-grid,.story-grid,.purchase,.activity-grid{grid-template-columns:1fr}.hero-grid{min-height:auto;max-width:760px;padding:44px 0 52px}.hero .container{width:min(calc(100% - 48px),760px)}.hero-copy h1{max-width:720px}.hero-art{max-width:720px}.cards,.crew-grid,.footer-grid{grid-template-columns:1fr}.cards,.crew-grid{max-width:680px;margin-inline:auto}.route{grid-template-columns:repeat(2,1fr)}.story-grid{gap:36px}.story-image{max-width:720px}.purchase-cover{max-width:330px}.mobile-buy{display:block;position:fixed;left:14px;right:14px;bottom:12px;z-index:35}.mobile-buy .button{width:100%;box-shadow:0 10px 30px rgba(35,41,76,.25)}.newsletter-note{font-size:.68rem}}
@media(max-width:560px){.amazon-release-image{width:min(100%,290px);border-radius:16px}.amazon-release-copy .button{width:100%}.container{width:min(100% - 28px,var(--max))}.section{padding:52px 0}.brand img{width:128px}.hero .container{width:min(100% - 28px,760px)}.hero-grid{padding:34px 0 46px;gap:28px}.hero-copy h1{font-size:clamp(2.5rem,12vw,3.35rem)}.hero-actions{flex-direction:column}.hero-actions .button{width:100%}.hero-facts{display:grid;gap:6px}.hero-facts span::after{display:none!important}.hero-art{padding:0 20px 34px 0}.hero-book{width:35%;right:0;bottom:0;transform:rotate(1deg)}.preview-grid{gap:18px}.preview-copy{padding:30px 25px}.activity-stats{gap:18px}.activity-stat strong{font-size:1.8rem}.specs{grid-template-columns:1fr}.route{grid-template-columns:1fr}.newsletter-card{padding:30px 24px}.newsletter-form{grid-template-columns:1fr}.newsletter-form .button{width:100%}.book-preview{width:calc(100% - 18px);max-height:calc(100dvh - 18px);border-radius:20px}.book-preview__shell{padding:16px}.book-preview__viewport{min-height:300px;max-height:67dvh;padding:12px}.book-preview__controls{gap:8px}.book-preview__controls .button{padding-inline:14px;font-size:.8rem}.footer{padding-bottom:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}

/* V10: merged Inside the Adventure + 8-Arm Challenges section */
.adventure-combined{position:relative;color:#fff}
.anchor-target{position:absolute;top:0}
.adventure-combined-grid{display:grid;grid-template-columns:minmax(300px,.8fr) minmax(0,1.7fr);gap:clamp(48px,6vw,88px);align-items:start}
.adventure-combined .eyebrow{color:var(--coral)}
.adventure-combined h2,.adventure-combined h3{color:#fff}
.adventure-combined-intro h2{max-width:520px;font-size:clamp(2.6rem,4.4vw,4.5rem);line-height:.98}
.adventure-lead{max-width:560px;margin-top:24px;color:#f2f3f8;font-size:1.08rem}
.adventure-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-bottom:1px solid rgba(255,255,255,.24);padding-bottom:30px}
.adventure-step{padding:0 28px}.adventure-step:first-child{padding-left:0}.adventure-step:last-child{padding-right:0}
.adventure-step+.adventure-step{border-left:1px solid rgba(255,255,255,.22)}
.adventure-step-heading{display:flex;align-items:center;gap:15px;margin-bottom:16px}
.adventure-step-heading span{flex:0 0 42px;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--coral);color:#fff;font-weight:900;font-size:1.05rem}
.adventure-step-heading h3{font-size:1.15rem;line-height:1.15}
.adventure-step p{color:#e7e9f2;font-size:.95rem}
.adventure-summary{display:grid;grid-template-columns:170px 210px minmax(0,1fr);gap:28px;align-items:start;padding-top:30px}
.adventure-stat{padding-right:26px;border-right:1px solid rgba(255,255,255,.22)}
.adventure-stat strong{display:block;color:var(--coral);font-size:2.6rem;line-height:1;font-weight:900}
.adventure-stat span{display:block;margin-top:8px;color:#fff;font-size:.82rem;font-weight:800}
.adventure-summary>p{color:#e7e9f2;font-size:.92rem}
@media(max-width:1040px){.adventure-combined-grid{grid-template-columns:1fr;gap:40px}.adventure-combined-intro h2{max-width:760px}.adventure-lead{max-width:760px}}
@media(max-width:760px){.adventure-steps{grid-template-columns:1fr;padding-bottom:22px}.adventure-step,.adventure-step:first-child,.adventure-step:last-child{padding:20px 0}.adventure-step:first-child{padding-top:0}.adventure-step+.adventure-step{border-left:0;border-top:1px solid rgba(255,255,255,.18)}.adventure-summary{grid-template-columns:1fr 1fr;gap:20px}.adventure-summary>p{grid-column:1/-1}.adventure-stat:nth-child(2){border-right:0}.adventure-combined-intro h2{font-size:clamp(2.5rem,12vw,3.5rem)}}

/* V11: full-width adventure header above the three play columns */
.adventure-combined-grid{display:block}
.adventure-combined-intro{width:100%;margin-bottom:42px}
.adventure-combined-intro h2{max-width:none;white-space:nowrap;font-size:clamp(2.7rem,4.6vw,4.8rem);line-height:1.02;letter-spacing:-.035em}
.adventure-lead{max-width:860px;margin-top:20px}
.adventure-combined-details{width:100%}
@media(max-width:1040px){.adventure-combined-grid{display:block}.adventure-combined-intro{margin-bottom:36px}.adventure-combined-intro h2{max-width:none;font-size:clamp(2.55rem,6vw,4rem)}}
@media(max-width:760px){.adventure-combined-intro{margin-bottom:26px}.adventure-combined-intro h2{white-space:normal;font-size:clamp(2.45rem,11vw,3.45rem);line-height:1.02}}

/* v18: Book Two */
.purchase--second{margin-top:clamp(56px,8vw,96px);padding-top:clamp(56px,8vw,96px);border-top:1px solid rgba(35,41,76,.12)}
.book-preview__page-frame{width:min(470px,90%);overflow:hidden;border-radius:14px;line-height:0;box-shadow:0 14px 34px rgba(35,41,76,.14)}
.book-preview__page-frame img{width:100%}
.button.is-coming-soon{background:#d9dbe3;color:var(--navy);box-shadow:none;cursor:default;pointer-events:none}