@font-face{font-family:Inter;src:url('assets/Inter-Regular.ttf')}@font-face{font-family:Playfair;src:url('assets/PlayfairDisplay-SemiBold.ttf');font-weight:600}
:root{--paper:#FBF7F1;--ink:#26211E;--accent:#A8541F;--muted:#4E4640;--line:#E6DCD1}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:40px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,sans-serif}a{color:inherit;text-underline-offset:5px}a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:5px}.utility{max-width:1280px;margin:24px auto 0;display:flex;justify-content:flex-end;gap:24px;align-items:center;font-size:11px}.utility a{text-decoration:none}.utility button{border:0;background:none;font:inherit;color:var(--muted);cursor:pointer}.reader{max-width:1280px;margin:auto;padding:0 25px;position:relative}.chapter{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:center;padding:85px 0 90px;border-top:1px solid var(--line);scroll-margin-top:25px;min-height:660px}.hero{border-top:0;padding:65px 0 125px;min-height:760px;grid-template-columns:1.05fr 1fr;gap:0}.copy{position:relative;z-index:2;max-width:570px}.eyebrow{color:var(--accent);font-size:12px;letter-spacing:2.4px;text-transform:uppercase;line-height:1.7;margin-bottom:28px}h1,h2{font:600 clamp(38px,4vw,61px)/1.12 Playfair,serif;letter-spacing:-1.5px;margin:0 0 24px}h1{font-size:clamp(48px,5.4vw,82px);letter-spacing:-2.7px;position:relative;z-index:2;width:115%}h1 em{font-style:normal;color:var(--accent)}h3{font:600 25px/1.35 Playfair,serif;margin:30px 0 13px}p{font-size:17px;line-height:1.85;color:#574f49;margin:0 0 19px}.intro{font-size:21px;max-width:510px;line-height:1.7;margin:32px 0}.meta{font-size:14px;color:#695d52;line-height:1.7;margin-bottom:24px}.primary{display:inline-flex;align-items:center;gap:40px;background:var(--accent);color:#fff8f3;font:600 18px Playfair;text-decoration:none;padding:18px 27px;border-radius:4px;margin-top:10px;transition:transform .2s,background .2s}.primary:hover{transform:translateY(-2px);background:#994b20}.hero-years{display:flex;margin-top:62px;max-width:440px;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:20px}.hero-years a{font-size:12px;text-decoration:none;position:relative}.hero-years a::after{content:'';position:absolute;width:7px;height:7px;border-radius:50%;background:var(--line);bottom:-24px;left:3px}.hero-years a:first-child{color:var(--accent)}.hero-years a:first-child::after{background:var(--accent)}.illustration{width:100%;aspect-ratio:1;background-size:200% 200%;background-repeat:no-repeat;mix-blend-mode:darken;position:relative;z-index:1;transition:opacity .8s,transform 1s cubic-bezier(.2,.7,.2,1)}.illustration{mask-image:linear-gradient(to right,transparent,#000 4%,#000 96%,transparent),linear-gradient(to bottom,transparent,#000 4%,#000 96%,transparent);mask-composite:intersect}.scene-0{background-position:0 0}.scene-1{background-position:100% 0}.scene-2{background-position:0 100%}.scene-3{background-position:100% 100%}.hero .illustration{width:120%;margin-left:-8%;align-self:center}.chapter:not(.hero) .copy::before{content:'';position:absolute;left:-22px;top:5px;width:9px;height:9px;background:var(--accent);outline:1px solid #ca8d61;outline-offset:5px;border-radius:50%}.chapter:nth-child(2){border-top:0}.chapter:nth-child(2)::before{content:'';position:absolute;inset:-180px -30px auto;height:260px;background:url('assets/story-path.webp') center/100% 100% no-repeat;mix-blend-mode:darken;pointer-events:none;z-index:0;opacity:.65}.chapter:nth-child(4)::after,.chapter:nth-child(6)::after{content:'';position:absolute;bottom:-70px;left:0;width:100%;height:130px;background:url('assets/story-path.webp') center/100% 100% no-repeat;mix-blend-mode:darken;pointer-events:none;opacity:.5;z-index:0}.chapter:nth-child(5),.chapter:nth-child(7){padding-top:130px}.js .chapter:nth-child(2)::before{clip-path:inset(0 0 100% 0);transition:clip-path 1.2s ease}.js .chapter:nth-child(2).seen::before,.reduce .chapter:nth-child(2)::before{clip-path:inset(0)}.package{color:var(--accent)}.end-links{display:flex;flex-wrap:wrap;gap:22px;margin-top:35px;font-size:13px}.rail{position:fixed;left:18px;top:34%;z-index:10;display:grid;gap:21px;opacity:0;transition:opacity .3s}.rail.visible{opacity:1}.rail a{font-size:10px;color:#8a7869;text-decoration:none;position:relative;padding-left:13px}.rail a::before{content:'';position:absolute;left:0;top:3px;width:4px;height:4px;background:var(--line);border-radius:50%}.rail a[aria-current]{color:var(--accent)}.rail a[aria-current]::before{background:var(--accent)}.js .chapter:not(.hero) .illustration{opacity:0;transform:translateY(30px)}.js .chapter.seen .illustration{opacity:1;transform:none}.footer{max-width:1280px;margin:0 auto;padding:30px 25px 45px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:11px;color:#8a7869}.reduce,.reduce *,body.hidden *{scroll-behavior:auto!important;transition:none!important;animation:none!important}.reduce .chapter .illustration{opacity:1!important;transform:none!important}.skip{position:fixed;top:-100px;background:var(--paper);padding:12px;z-index:30}.skip:focus{top:0}
@media(max-width:1420px){.utility{margin-left:6%;margin-right:6%}.reader{margin:0 7%;padding:0}.rail{left:12px}.hero .illustration{width:113%;margin-left:-4%}.chapter{gap:36px}h1{font-size:clamp(48px,5.8vw,77px)}}
@media(max-width:850px){.rail{display:none}.utility{margin:20px 24px}.reader{margin:0 25px}.chapter,.hero{grid-template-columns:1fr;gap:10px;min-height:0;padding:50px 0 65px}.copy{max-width:100%}.hero{padding-top:35px}.hero .illustration{width:100%;margin:15px 0 0}.illustration{max-width:620px;margin:10px auto 0}.hero h1{font-size:clamp(46px,8.4vw,70px);width:100%;letter-spacing:-1.8px}h2{font-size:40px}p{font-size:16px}.intro{font-size:18px}.eyebrow{font-size:10px}.hero-years{margin-top:35px}.chapter:not(.hero) .copy::before{left:-14px;width:5px;height:5px;outline-offset:3px}.chapter:nth-child(2)::before{height:110px;top:-70px}.chapter:nth-child(4)::after,.chapter:nth-child(6)::after{height:85px;bottom:-40px}.chapter:nth-child(5),.chapter:nth-child(7){padding-top:80px}.footer{gap:20px;font-size:10px}.meta{font-size:13px}.end-links{display:grid}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.illustration,.rail,.primary{transition:none!important;transform:none!important;opacity:1!important}}
.unique-scene{background-size:200% 300%}
.unique-1{background-position:0% 0%}.unique-2{background-position:100% 0%}.unique-4{background-position:0% 50%}.unique-5{background-position:100% 50%}.unique-6{background-position:0% 100%}.unique-7{background-position:100% 100%}
.js .chapter:not(.hero) .illustration{transform:translateY(22px);transition:opacity .75s ease,transform .9s cubic-bezier(.2,.7,.2,1)}
.js .chapter.seen .illustration{transform:translateY(var(--drift,0px));opacity:1}
.js .chapter:nth-child(2)::before{clip-path:inset(0 0 var(--trail,100%) 0);transition:none}
.js .chapter:nth-child(2).seen::before{clip-path:inset(0 0 var(--trail,100%) 0)}
.reduce .chapter .illustration{transform:none!important;opacity:1!important}
.reduce .chapter::before{clip-path:none!important}
@media(max-width:850px){.js .chapter.seen .illustration{transform:none}}
@media(prefers-reduced-motion:reduce){.js .chapter .illustration{transform:none!important;opacity:1!important}.js .chapter::before{clip-path:none!important}}

/* One continuous journey, rather than separate editorial panels. */
.reader{isolation:isolate}.chapter{border:0!important;min-height:730px;padding:95px 0 145px;column-gap:40px}.hero{padding-top:65px;padding-bottom:150px;min-height:840px}.chapter:nth-child(2){padding-top:30px}.chapter:nth-child(5),.chapter:nth-child(7){padding-top:95px}
.chapter::after,.chapter::before{display:none!important}
#chapter-2,#chapter-5,#chapter-7{grid-template-columns:1fr 1fr}
#chapter-2 .copy,#chapter-5 .copy,#chapter-7 .copy{grid-column:2;grid-row:1}
#chapter-2 .illustration,#chapter-5 .illustration,#chapter-7 .illustration{grid-column:1;grid-row:1}
.chapter .illustration{width:105%;max-width:none;margin-left:-5%;align-self:end}.hero .illustration{width:125%;margin-left:-12%;align-self:center}
.chapter:not(.hero) .eyebrow{position:relative;padding-left:0}.chapter:not(.hero) .copy::before{width:11px;height:11px;left:-27px;top:5px;outline-offset:5px;background:var(--accent)}
.journey-route{position:absolute;inset:0;width:100%;height:100%;z-index:-1;overflow:visible;pointer-events:none}.route-base{fill:none;stroke:#c68e66;stroke-width:2;stroke-opacity:.25;stroke-linecap:round;stroke-linejoin:round}.route-edge{display:none}.route-live{fill:none;stroke:#b9794b;stroke-width:2;stroke-opacity:.48;stroke-linecap:round;stroke-linejoin:round}
.footer{border-top:0}.rail{background:var(--paper);padding:12px 8px;border-radius:3px}
@media(max-width:850px){.chapter,#chapter-2,#chapter-5,#chapter-7{display:flex;flex-direction:column;gap:10px;padding:65px 0 100px;min-height:0}.chapter .copy{width:100%}.chapter .illustration,.hero .illustration{width:100%;margin:0;max-width:620px}.hero{padding-top:35px}.chapter:nth-child(2){padding-top:35px}.route-base{stroke-width:1.5}.route-live{stroke-width:1.5}.chapter:not(.hero) .copy::before{left:-15px;width:6px;height:6px}.chapter:nth-child(5),.chapter:nth-child(7){padding-top:65px}}

/* Illustrated transitions replace the geometric connector across every chapter. */
.chapter{padding:80px 0 260px;min-height:0;isolation:isolate}
.hero{padding-top:65px;padding-bottom:200px}
#chapter-1{padding-top:20px}
#chapter-4,#chapter-6{padding-top:80px}
.copy{background:var(--paper)}
.brush-bridge{position:absolute;width:72%;height:auto;left:14%;bottom:-90px;z-index:-1;pointer-events:none;mix-blend-mode:darken;opacity:.85;mask-image:linear-gradient(to bottom,transparent,#000 12%,#000 86%,transparent)}
#chapter-0 .brush-bridge{width:60%;left:38%;bottom:-100px}
#chapter-2 .brush-bridge,#chapter-5 .brush-bridge{transform:scaleX(-1);left:0}
#chapter-7{padding-bottom:80px}
#chapter-7 .brush-bridge{display:none}
.chapter:not(.hero) .copy::after{content:'';position:absolute;left:-22px;top:28px;bottom:0;border-left:1px solid #d8b69e}
@media(max-width:850px){
 .chapter,#chapter-2,#chapter-5,#chapter-7{padding:45px 0 150px}
 #chapter-1{padding-top:35px}
 .brush-bridge,#chapter-0 .brush-bridge{width:100%;left:0;bottom:-55px}
 .chapter:not(.hero) .copy::after{left:-12px;top:22px}
 #chapter-7{padding-bottom:60px}
}

/* Finite entrances and scroll-driven ink; no perpetual animation loop. */
.js .chapter .copy > *{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .85s cubic-bezier(.16,1,.3,1);transition-delay:var(--entrance-delay,0ms)}
.js .chapter.seen .copy > *{opacity:1;transform:translateY(0)}
.js .chapter .illustration{opacity:0;transform:translateY(28px) scale(.975);transition:opacity 1s ease,transform 1.2s cubic-bezier(.16,1,.3,1)}
.js .chapter.seen .illustration{opacity:1;transform:translateY(var(--drift,0px)) scale(1)}
.js .brush-bridge{clip-path:inset(0 0 var(--ink-hidden,100%) 0);transition:clip-path .18s linear}
.chapter .copy::before{transition:box-shadow .5s ease}
.chapter.current .copy::before{box-shadow:0 0 0 9px #b45c2712}
.hero-years a,.end-links a{transition:color .2s ease}
.hero-years a:hover,.end-links a:hover{color:var(--accent)}
.primary span{display:inline-block;transition:transform .25s ease}
.primary:hover span{transform:translateY(3px)}
body.hidden .chapter *,body.hidden .brush-bridge{transition:none!important}
.reduce .chapter .copy > *{opacity:1!important;transform:none!important;transition:none!important}
.reduce .brush-bridge{clip-path:none!important;transition:none!important}
@media(max-width:850px){.js .chapter.seen .illustration{transform:none}.js .chapter .copy > *{transform:translateY(10px)}}
@media(prefers-reduced-motion:reduce){.js .chapter .copy > *{opacity:1!important;transform:none!important;transition:none!important}.js .brush-bridge{clip-path:none!important;transition:none!important}}

/* Approved second-brain addition, scoped to the learning chapter. */
#chapter-6 .learning-scene{background-size:210% auto;background-position:100% 48%;aspect-ratio:3/4;align-self:center}
.brain-graph{margin:28px 0 0;max-width:540px;padding:0 8px}
.brain-graph svg{display:block;width:100%;height:auto;overflow:hidden}
.brain-graph line{stroke:#bb865f;stroke-width:.8;opacity:.48}
.brain-graph circle{fill:#dfb18f}
.brain-graph .hub{fill:#e6bb9b}
.brain-graph text{font:12px Inter,sans-serif;fill:var(--muted)}
.brain-graph .hub-label{font:600 14px Playfair,serif;fill:var(--ink)}
.brain-graph .hub-label-long{font-size:12px}
.brain-graph figcaption span{font-size:10px;opacity:.75}
.brain-graph figcaption{font-size:12px;line-height:1.6;color:var(--muted);margin-top:12px}
.js .brain-graph line{stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.2s ease}
.js .brain-graph.revealed line{stroke-dashoffset:0}
.reduce .brain-graph line{stroke-dashoffset:0!important;transition:none!important}
@media(prefers-reduced-motion:reduce){.js .brain-graph line{stroke-dashoffset:0;transition:none}}

/* One header everywhere: same logo, links and position as the Flutter pages. */
@font-face{font-family:Inter;src:url('assets/Inter-SemiBold.ttf');font-weight:600;font-display:swap}
@font-face{font-family:JetBrains;src:url('/assets/assets/fonts/JetBrainsMono-Regular.ttf');font-weight:400;font-display:swap}
@font-face{font-family:JetBrains;src:url('assets/JetBrainsMono-Bold.ttf');font-weight:700;font-display:swap}
html{scroll-padding-top:96px}.chapter{scroll-margin-top:20px}
.site-header{position:sticky;top:0;z-index:25;background:var(--paper);border-bottom:1px solid var(--line);transition:box-shadow .3s,background-color .3s}
.site-header.is-slim{background:#FBF7F1f0;box-shadow:0 6px 24px -18px rgba(38,33,30,.45)}
.site-header__row{position:relative;max-width:1180px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;transition:padding .35s cubic-bezier(.2,.7,.2,1)}
.site-header.is-slim .site-header__row{padding-top:8px;padding-bottom:8px}
.site-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);min-height:44px;min-width:0}
.site-logo__mark{flex:0 0 34px;width:34px;height:34px;border-radius:50%;border:1.5px solid var(--accent);display:flex;align-items:center;justify-content:center;font:500 11px JetBrains,monospace;color:var(--accent)}
.site-logo__name{font:600 17px Playfair,serif;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.site-links{display:flex;align-items:center;gap:22px;font:400 12px JetBrains,monospace;letter-spacing:.04em}
.site-links a{position:relative;padding:6px 0;min-height:44px;display:flex;align-items:center;color:var(--muted);text-decoration:none;transition:color .25s}
.site-links a::after{content:'';position:absolute;left:0;right:0;bottom:8px;height:1.5px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .4s cubic-bezier(.2,.7,.2,1)}
.site-links a:hover{color:var(--ink)}.site-links a:hover::after,.site-links a[aria-current]::after{transform:scaleX(1)}.site-links a[aria-current]{color:var(--accent)}
.site-back{font:400 12px JetBrains,monospace;color:var(--muted);text-decoration:none;min-height:44px;display:flex;align-items:center;white-space:nowrap}
.site-back:hover{color:var(--accent)}
.site-progress{position:absolute;left:0;bottom:-1px;height:2px;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:left}
.utility{justify-content:flex-end}
@media(max-width:760px){.site-links{display:none}.site-header__row{padding:10px 16px}.site-logo__name{font-size:15px}.site-back{font-size:11px}}
@media(prefers-reduced-motion:reduce){.site-header,.site-header__row,.site-links a,.site-links a::after{transition:none}}
/* Page-to-page: the browser crossfades the whole document (Chrome/Edge 126+, Safari 18.2+). */
@view-transition{navigation:auto}
.utility{flex-wrap:wrap;gap:8px 20px}.utility a,.utility button{display:inline-flex;align-items:center;min-height:44px}
.package{overflow-wrap:anywhere}.copy{min-width:0}.hero-years a{min-height:44px;display:flex;align-items:center}.end-links a{min-height:44px;display:inline-flex;align-items:center}
.brain-mobile{display:none}
@media(max-width:1100px){.rail{display:none}}
@media(max-width:600px){
 .reader{margin:0 24px}.hero h1{font-size:clamp(38px,10vw,56px);letter-spacing:-1.5px}h2{font-size:clamp(30px,8.5vw,40px);letter-spacing:-.8px;overflow-wrap:break-word}
 .chapter,#chapter-2,#chapter-5,#chapter-7{padding-bottom:110px}.hero{padding-top:28px}.intro{font-size:17px}
 .brain-graph{padding:0;max-width:100%}.brain-graph .brain-desktop{display:none}.brain-graph .brain-mobile{display:block}
 .brain-mobile text{font-size:14px}.brain-mobile .hub-label{font-size:15px}.brain-mobile .hub-label-long{font-size:12px}
 .footer{flex-wrap:wrap;line-height:1.6}.eyebrow{letter-spacing:1.7px}.hero-years{gap:8px}
}

/* Individually delivered artwork; wrapper keeps the approved framing and motion. */
.illustration{background:none;overflow:hidden}
.illustration > img{display:block;width:100%;height:100%;position:absolute;inset:0;object-fit:cover}
#chapter-6 .learning-scene > img{object-position:right 48%}