:root{--ink:#23354d;--muted:#586b82;--blue:#2a75bb;--paper:#f5f8ff;--line:#d9e4f2;--gold:#ffcb05;--white:#ffffff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{ -webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #2a75bb;outline-offset:5px}button{cursor:pointer}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.15;letter-spacing:-.04em}h1{font-size:clamp(36px,4.2vw,62px);font-weight:650}h2{font-size:32px;font-weight:600}h3{font-size:21px;font-weight:600}h1 em,h2 em{font-family:Georgia,serif;font-weight:400;color:#2a75bb}p{margin-top:14px}.wrap{width:min(1180px,calc(100% - 80px));margin-inline:auto}.narrow{max-width:840px;padding-bottom:90px}.narrow h1{margin:25px 0}.narrow h2{margin-top:40px;font-size:25px}.narrow p a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.eyebrow{font-size:10px;letter-spacing:.17em;font-weight:700;display:block;color:#5a7292}.lead{color:var(--muted);font-size:18px;line-height:1.8;max-width:600px}.subtle{color:var(--muted);font-size:13px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;background:var(--blue);color:#fff;border:1px solid var(--blue);border-radius:6px;padding:13px 22px;font-size:13px;font-weight:600;transition:background .2s,transform .2s}.button:hover{background:#1b5390;transform:translateY(-1px)}.button span{font-size:19px}.skip{position:absolute;left:15px;top:-80px;z-index:100;background:#fff;padding:10px}.skip:focus{top:10px}header{height:85px;background:#fffffffa;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(10px)}.header-inner{height:100%;width:min(1280px,calc(100% - 80px));margin:auto;display:flex;align-items:center;gap:50px}.brand{font-size:23px;font-weight:750;letter-spacing:-1px;display:flex;align-items:center;white-space:nowrap}.brand-light{font-weight:400}.brand-dot{color:#ffcb05}.ball{display:inline-block;width:27px;height:27px;border:2px solid var(--blue);border-radius:50%;margin-right:10px;position:relative;background:linear-gradient(var(--blue) 44%,var(--paper) 45%,var(--paper) 55%,transparent 56%);transform:rotate(-20deg)}.ball:after{content:"";position:absolute;top:8px;left:8px;width:7px;height:7px;background:var(--paper);border:2px solid var(--blue);border-radius:50%}header nav{display:flex;align-items:center;gap:29px;margin-left:35px;font-size:12px;height:100%}header nav a{height:100%;display:flex;align-items:center;position:relative;color:var(--muted)}header nav a.active{color:var(--ink)}header nav a.active:after{content:"";height:2px;background:var(--blue);position:absolute;left:0;right:0;bottom:0}.header-note{margin-left:auto;font:italic 14px Georgia;color:#5a7292}.home-hero{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;padding-block:85px 95px}.home-hero h1{margin-top:26px;line-height:1.12}.home-hero .lead{margin-top:24px;font-size:16px;max-width:450px}.home-hero .button{margin-top:30px;min-width:175px}.status-dot{width:6px;height:6px;background:#e3350d;display:inline-block;border-radius:50%;margin-right:8px}.hero-meta{display:flex;gap:22px;color:#5a7292;font-size:10px;margin-top:24px}.adventure-art{position:relative;min-width:0;height:360px;display:flex;align-items:center;justify-content:center}.art-grid{position:absolute;inset:-30px;background-image:linear-gradient(#2a75bb18 1px,transparent 1px),linear-gradient(90deg,#2a75bb18 1px,transparent 1px);background-size:25px 25px;mask-image:radial-gradient(ellipse,#000 30%,transparent 72%)}.art-stamp{position:absolute;top:-20px;left:10px;font-size:9px;font-weight:650;letter-spacing:2px;color:#5a7292;transform:rotate(-3deg)}.art-stamp span{margin-left:45px}.art-frame{width:370px;background:#e3350d;padding:12px;border:1px solid #bf2910;box-shadow:13px 19px 0 #2a75bb1a,0 17px 40px #2a75bb20;transform:rotate(-3deg);border-radius:9px;z-index:1}.frame-top,.frame-bottom{display:flex;align-items:center;justify-content:space-between;font:8px/1.5 ui-monospace,monospace;letter-spacing:1px;color:#254b78;padding:2px 1px 9px}.frame-bottom{padding:9px 0 0;font-size:6px}.tiny-dot{width:5px;height:5px;background:#e3350d;border-radius:50%}.art-frame .picture{border:0;background:transparent;margin:0;border-radius:4px;overflow:hidden}.art-frame .picture img{width:100%;height:235px;object-fit:cover;display:block;image-rendering:pixelated}.art-frame figcaption{display:none}.art-tag{position:absolute;right:-10px;bottom:-5px;padding:15px 23px;background:#fff4bd;border:1px solid #e9c74b;box-shadow:0 6px 16px #19396112;transform:rotate(4deg);font:italic 20px Georgia;color:#254b78;z-index:2}.art-tag span{display:block;font:9px system-ui;letter-spacing:.05em;margin-top:7px;color:#5a7292}.spark{position:absolute;color:#ffcb05;font-size:28px}.s1{top:10px;right:8px}.s2{bottom:16px;left:-5px;font-size:38px}.principles{border-block:1px solid var(--line);background:#fff4bd}.principles .wrap{display:flex;justify-content:space-between;padding-block:20px;font-size:11px;color:#5a7292;gap:20px}.principles span:first-child{font-size:9px;font-weight:700;letter-spacing:.14em}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px}.section-heading h2{margin-top:11px}.section-heading h2 span{color:var(--gold)}.shelf-count{font-size:9px;letter-spacing:.12em;color:#5a7292}.game-section{padding-block:65px 75px;scroll-margin-top:40px}.game-shelf{display:grid;grid-template-columns:1.3fr 1fr;gap:70px;margin-top:32px}.game-card{display:grid;grid-template-columns:190px 1fr;background:var(--white);border:1px solid var(--line);border-radius:9px;overflow:hidden;transition:box-shadow .2s,transform .2s;min-height:255px}.game-card:hover{box-shadow:0 12px 30px #2a75bb18;transform:translateY(-3px)}.game-cover{background:radial-gradient(ellipse at 70% 35%,#4a94e0,#174d91 75%);position:relative;overflow:hidden;color:#ffcb05;padding:24px 19px;display:flex;flex-direction:column}.cover-kicker{font-size:6px;letter-spacing:1.4px;z-index:2}.cover-title{font-size:17px;font-weight:700;letter-spacing:1px;line-height:1.2;margin-top:25px;z-index:2}.cover-title strong{font:52px/.95 Georgia;letter-spacing:2px;display:block;margin-top:5px}.cover-label{font:6px monospace;letter-spacing:1px;position:absolute;bottom:14px;left:17px;z-index:2}.cover-orbit{border:1px solid #ffcb0570;position:absolute;width:150px;height:150px;border-radius:50%;right:-30px;top:70px}.cover-mountain{position:absolute;width:180px;height:160px;background:#7ec2ed;clip-path:polygon(50% 0,100% 100%,0 100%);bottom:-50px;left:-55px;opacity:.8}.m2{background:#ffcb05;bottom:-50px;left:50px;width:160px;height:120px}.m3{background:#155a9e;left:20px;bottom:-75px;width:220px;height:150px}.game-info{padding:25px}.chips{display:flex;gap:6px;flex-wrap:wrap}.chip{font-size:8px;color:#5a7292;background:#edf3fc;border-radius:4px;padding:3px 6px;display:inline-block}.chip.green{color:#254b78;background:#fff1b3}.game-info h3{margin-top:20px}.game-info h3 span{float:right;font-size:19px;color:#5a7292}.game-info p{font-size:12px;color:var(--muted);margin-top:10px}.game-card-bottom{display:flex;justify-content:space-between;gap:10px;margin-top:23px;padding-top:16px;border-top:1px solid var(--line);font-size:9px;color:var(--muted)}.game-card-bottom span:last-child{color:var(--blue);font-weight:650}.shelf-note{padding:12px 20px;color:var(--muted);align-self:center}.shelf-note h3{font:24px/1.35 Georgia;color:#5a7292;max-width:250px;margin-top:15px}.shelf-note p{font-size:12px;max-width:290px}.shelf-note small{font-size:8px;letter-spacing:.1em;color:#91a6c0}.note-rule{width:35px;height:1px;background:#d7e4f3;margin-top:20px}.outline-ball{width:26px;height:26px;border:1px solid #d7e4f3;border-radius:50%;display:block;position:relative}.outline-ball:before{content:"";position:absolute;top:11px;height:1px;left:0;right:0;background:#d7e4f3}.outline-ball:after{content:"";position:absolute;width:6px;height:6px;border:1px solid #d7e4f3;background:var(--paper);border-radius:50%;left:9px;top:8px}.philosophy{padding:55px 0 75px;border-top:1px solid var(--line)}.philosophy h2{margin-top:15px;font-size:35px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:55px;margin-top:40px}.feature-grid>div>span{font:11px monospace;color:#91a6c0}.feature-grid h3{font-size:16px;letter-spacing:-.02em;margin-top:15px}.feature-grid p{font-size:12px;color:var(--muted);margin-top:9px;max-width:280px}footer{width:min(1280px,calc(100% - 80px));margin:auto;border-top:1px solid var(--line);display:flex;align-items:center;gap:30px;padding:27px 0;color:#5a7292;font-size:10px}footer p{margin:0}footer>a:last-child{margin-left:auto}.brand.small{font-size:17px}.breadcrumb{font-size:11px;color:#5a7292;margin:29px 0 35px;display:flex;gap:9px}.breadcrumb a:hover{text-decoration:underline}.guide-intro{padding:10px 0 45px}.guide-intro h1{margin-top:18px}.intro-actions{display:flex;align-items:center;gap:23px;margin-top:27px}.chapters{padding:25px 0 80px;border-top:1px solid var(--line)}.chapters>.subtle{margin-top:13px}.search-label{display:flex;align-items:center;gap:10px;border-bottom:1px solid #d7e4f3;padding:8px 5px}.search-label span{font-size:24px}.search-label input{font-size:12px;border:0;background:transparent;width:220px;color:var(--ink);outline-offset:9px}.chapter-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:24px}.chapter-card{display:flex;align-items:center;gap:20px;padding:23px;background:var(--white);border:1px solid var(--line);border-radius:7px;position:relative;transition:border-color .2s}.chapter-card:hover{border-color:#91a6c0}.chapter-number{font:26px Georgia;color:#91a6c0;align-self:flex-start;line-height:1.5}.chapter-card small{font-size:8px;letter-spacing:.09em;text-transform:uppercase;color:#5a7292}.chapter-card h3{font-size:17px;letter-spacing:-.025em;margin-top:7px}.chapter-card p{font-size:11px;color:var(--muted);margin-top:7px}.card-arrow{margin-left:auto;align-self:flex-start;color:#91a6c0}.reader{display:grid;grid-template-columns:235px minmax(0,760px);gap:75px;padding-bottom:75px}.sidebar{position:sticky;top:115px;align-self:start;padding:25px 0 30px;border-right:1px solid var(--line);max-height:calc(100vh - 130px);overflow-y:auto;scrollbar-width:thin}.sidebar-title{font-size:13px;font-weight:600}.sidebar>.eyebrow{font-size:8px;margin-top:28px;margin-bottom:15px}.sidebar nav{display:flex;flex-direction:column;gap:4px;padding-right:15px}.sidebar nav a{font-size:10px;color:#5a7292;padding:9px 10px;display:flex;align-items:baseline;gap:10px;line-height:1.5;border-radius:4px}.sidebar nav a span{font:9px monospace;opacity:.6}.sidebar nav a:hover{background:#d7e4f3}.sidebar nav a[aria-current=page]{background:#dcecff;color:var(--blue);font-weight:650}.legend-link{font-size:10px;font-weight:600;display:block;margin-top:25px}.reader article{min-width:0;padding-top:0}.reader article h1{font-size:44px;line-height:1.13;margin-top:15px;max-width:700px}.reader article .lead{font-size:15px;margin-top:15px}.chapter-eyebrow{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.badge-pill{font-size:9px;color:#70500b;border:1px solid #efd26c;background:#fff3b5;padding:3px 8px;border-radius:4px}.reader-tools{display:flex;align-items:center;justify-content:space-between;border-block:1px solid var(--line);padding:16px 0;margin:26px 0}.reader-tools>div{width:150px}.reader-tools span{font-size:10px;color:var(--muted);display:block;margin-bottom:5px}.reader-tools button{border:1px solid #d7e4f3;border-radius:4px;background:transparent;color:var(--muted);font-size:10px;padding:6px 10px}.prereqs{padding:19px 23px;border:1px solid var(--line);background:#ebf3ff;border-radius:6px;margin-bottom:20px}.prereqs .eyebrow{font-size:8px}.prereqs>div{display:flex;gap:8px 22px;flex-wrap:wrap;margin-top:7px}.prereqs>div>span{font-size:11px;color:#5a7292}.gate-panel{background:#fff6ce;border:1px solid #ebd171;border-left:3px solid #ffcb05;padding:20px 22px;display:flex;gap:16px;border-radius:5px;margin:20px 0 33px;color:#6c5313}.gate-panel strong{font-size:13px}.gate-panel ol{margin:8px 0 0;padding-left:17px;font-size:12px;line-height:1.9}.gate-panel p{font-size:13px}.gate-icon{font-size:28px;line-height:1.3}.route-section{margin-top:39px;scroll-margin-top:110px}.section-label{font-size:8px;font-weight:700;letter-spacing:.15em;color:#5a7292;margin-bottom:10px}.route-section h2{font-size:25px;margin-bottom:18px}.kind-puzzle .section-label{color:#a34d0b}.kind-legendary{padding:22px;background:#f1eeff;border:1px solid #d8cff2;border-radius:6px}.kind-legendary .section-label{color:#6e4ba4}.kind-note{padding:18px 22px;border-left:2px solid #d7e4f3;background:#edf4ff}.kind-note h2{font-size:17px;margin-bottom:5px}.route-note{font-size:12px;color:var(--muted);margin:0}.step{display:flex;align-items:flex-start;gap:13px;margin-top:14px;font-size:14px;line-height:1.85;cursor:pointer;position:relative}.picture-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px;margin-top:22px}.picture-grid:has(>.picture:only-child){grid-template-columns:1fr;max-width:500px}.picture{margin:18px 0 0;border:1px solid #d7e4f3;border-radius:5px;background:#ffffff;overflow:hidden;min-width:0}.picture-grid .picture{margin:0}.picture img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;background:#e8f0fc;image-rendering:pixelated}.picture a{display:block;cursor:zoom-in}.picture figcaption{font-size:10px;line-height:1.65;color:#5a7292;padding:10px 12px;display:flex;align-items:baseline;justify-content:space-between;gap:15px}.picture figcaption span{font-size:15px;flex-shrink:0}.hide-pictures .route-section .picture-grid{display:none}.chapter-navigation{display:flex;justify-content:space-between;gap:20px;padding:25px 0;border-bottom:1px solid var(--line);font-size:12px}.next-chapter{font-weight:650}.source-note{font-size:9px;line-height:1.9;color:#91a6c0;margin-top:20px}.source-note a{text-decoration:underline;text-underline-offset:3px}.mobile-chapters{display:none}.legend-list{margin:35px 0}.legend-list>a{display:flex;gap:23px;padding:28px 0;border-bottom:1px solid var(--line);align-items:flex-start}.legend-list>a>span{font:28px Georgia;color:#91a6c0}.legend-list small{font-size:9px;letter-spacing:.1em;color:#5a7292}.legend-list h2{font-size:25px;margin-top:7px}.legend-list p{font-size:13px;margin:12px 0}.legend-list b{font-size:9px;color:#6e4ba4}.narrow>.picture{max-width:600px}dialog{border:0;border-radius:9px;padding:20px;background:var(--paper);max-width:95vw;max-height:95vh;width:fit-content;box-shadow:0 30px 80px #0005}dialog::backdrop{background:#132d51e6;backdrop-filter:blur(6px)}dialog img{display:block;width:auto;height:auto;max-width:min(1050px,85vw);max-height:75vh;image-rendering:pixelated;object-fit:contain}dialog p{font-size:12px;margin-top:12px;color:var(--muted);max-width:800px}.close-lightbox{position:absolute;right:7px;top:6px;background:var(--paper);border:1px solid var(--line);border-radius:50%;width:30px;height:30px;color:var(--ink)}[hidden]{display:none!important}
@media(min-width:1400px){.home-hero{padding-block:100px 110px}.art-frame{width:410px}.art-frame .picture img{height:265px}.home-hero h1{font-size:68px}}
@media(max-width:1100px){.wrap{width:calc(100% - 60px)}.header-inner,footer{width:calc(100% - 60px)}.header-inner{gap:20px}header nav{margin-left:20px}.home-hero{gap:30px}.art-frame{width:320px}.art-tag{right:0}.game-shelf{gap:30px;grid-template-columns:1.5fr 1fr}.game-card{grid-template-columns:160px 1fr}.game-info{padding:20px}.game-card-bottom{flex-direction:column;gap:3px}.reader{grid-template-columns:195px minmax(0,1fr);gap:40px}.reader article h1{font-size:38px}.header-note{font-size:12px}}
@media(max-width:800px){header{height:72px}.header-inner{gap:15px}.brand{font-size:20px}.ball{width:23px;height:23px;margin-right:6px}.ball:after{top:6px;left:6px}header nav{margin-left:auto;gap:20px;font-size:10px}.header-note{display:none}.home-hero{padding-top:55px;padding-bottom:60px;gap:20px}.home-hero h1{font-size:43px}.home-hero .lead{font-size:14px}.art-frame{width:270px}.art-frame .picture img{height:185px}.art-stamp{font-size:7px;left:20px;top:0}.art-stamp span{margin-left:15px}.art-tag{font-size:17px;bottom:20px}.hero-meta{flex-direction:column;gap:4px}.principles .wrap{flex-wrap:wrap;justify-content:center;gap:12px 28px;font-size:10px}.principles span:first-child{width:100%;text-align:center}.game-shelf{grid-template-columns:1fr}.game-card{grid-template-columns:190px 1fr;max-width:650px}.shelf-note{display:none}.game-card-bottom{flex-direction:row}.feature-grid{gap:25px}.reader{grid-template-columns:1fr;max-width:720px}.sidebar{display:none}.mobile-chapters{display:block;padding:20px 0 0}.mobile-chapters label{display:block;font-size:8px;letter-spacing:.12em;color:var(--muted);margin-bottom:6px}.mobile-chapters select{width:100%;font-size:12px;padding:10px;border:1px solid var(--line);background:#d7e4f3;border-radius:4px;color:var(--ink)}.reader .breadcrumb{margin:20px 0 30px}.chapter-grid{grid-template-columns:1fr}.guide-intro h1{font-size:42px}.section-heading h2{font-size:28px}.search-label input{width:180px}footer{flex-wrap:wrap;gap:15px}footer p{font-size:9px}.philosophy{padding-bottom:55px}}
@media(max-width:560px){.wrap{width:calc(100% - 36px)}.header-inner,footer{width:calc(100% - 36px)}header{height:66px}.brand{font-size:18px}header nav{gap:14px;font-size:9px}.ball{display:none}.home-hero{grid-template-columns:1fr;padding:40px 0 50px;gap:45px}.home-hero h1{font-size:48px}.home-hero .lead{max-width:340px}.home-hero .button{margin-top:24px}.hero-meta{flex-direction:row;font-size:9px;gap:18px}.adventure-art{height:290px}.art-frame{width:290px}.art-frame .picture img{height:190px}.art-tag{bottom:0;right:5px}.art-stamp{top:-5px;left:10px;font-size:8px}.art-stamp span{margin-left:35px}.s1{right:3px;top:4px}.s2{left:0;bottom:5px}.game-section{padding:40px 0}.section-heading{align-items:flex-start;gap:10px}.shelf-count{font-size:7px;align-self:end}.game-card{grid-template-columns:1fr}.game-cover{height:200px;padding:20px}.cover-kicker{font-size:8px}.cover-title{font-size:19px;margin-top:21px}.cover-title strong{font-size:60px;display:inline; margin-left:12px}.cover-label{font-size:7px;left:20px}.cover-mountain{width:280px;left:80px;height:180px;bottom:-100px}.m2{left:200px;height:190px;background:#ffcb05}.m3{left:150px;height:130px;background:#1d6ab0}.cover-orbit{right:10px;top:15px}.game-info{padding:25px}.game-info h3{font-size:23px}.game-info p{font-size:13px}.game-card-bottom{font-size:10px}.chips .chip{font-size:9px}.philosophy{padding-top:35px}.philosophy h2{font-size:30px}.feature-grid{grid-template-columns:1fr;gap:26px;margin-top:27px}.feature-grid>div{display:grid;grid-template-columns:35px 1fr;gap:0 10px}.feature-grid h3{margin-top:0}.feature-grid p{grid-column:2;max-width:none}.feature-grid>div>span{padding-top:3px}.breadcrumb{margin:20px 0 28px}.guide-intro h1{font-size:37px}.guide-intro .lead{font-size:15px}.intro-actions{flex-wrap:wrap;gap:12px}.chapters>.section-heading{flex-direction:column}.search-label{width:100%;margin-top:10px}.search-label input{width:100%}.chapter-card{padding:20px;gap:15px}.chapter-card h3{font-size:16px}.chapter-card p{font-size:11px}.reader article h1{font-size:35px}.reader article .lead{font-size:14px}.reader-tools{margin:23px 0}.prereqs{padding:16px}.gate-panel{padding:18px 16px;gap:10px}.gate-icon{font-size:23px}.route-section h2{font-size:24px}.step{font-size:14px;line-height:1.9;gap:12px}.picture-grid{gap:12px;grid-template-columns:1fr}.picture-grid .picture{max-width:480px}.picture figcaption{font-size:10px}.route-section{margin-top:33px}.source-note{font-size:10px}.chapter-navigation{font-size:12px}.narrow{padding-top:5px}.narrow h1{font-size:39px}.narrow .lead{font-size:16px}.legend-list>a{gap:15px}.legend-list h2{font-size:22px}.legend-list small{font-size:8px}footer{padding-block:25px;font-size:9px}footer p{width:100%;order:3}footer>a:last-child{margin-left:auto}dialog{padding:12px}dialog img{max-width:87vw}.close-lightbox{right:3px;top:3px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}.art-frame .picture figcaption{display:none}.fullsize-link{display:inline-block;font-size:11px;text-decoration:underline;margin-top:8px;color:var(--blue)}

@media(max-width:560px){.adventure-art .art-grid{inset:-20px 0}}
/* Pokémon palette: Poké Ball red, trainer blue, and Pikachu yellow. */
:root{--red:#e3350d;--yellow:#ffcb05;--blue:#2a75bb;--ink:#23354d;--paper:#f5f8ff;--line:#d9e4f2;--muted:#586b82;--white:#fff}
header{background:var(--red);border-bottom:4px solid #b8290e;backdrop-filter:none;color:#fff}.brand{font-weight:800;letter-spacing:-.8px}.brand-light{font-weight:600}.brand-dot{color:var(--yellow)}header nav a{color:#fff;font-weight:600}header nav a.active{color:#fff}header nav a.active:after{background:var(--yellow);height:4px;bottom:-4px}.header-note{font:600 11px/1.5 system-ui;color:#fff3be;max-width:150px}.ball{background:linear-gradient(var(--red) 0 43%,#26344b 43% 56%,#fff 56%);border-color:#26344b;transform:rotate(-15deg)}.ball:after{background:#fff;border-color:#26344b}.header-inner{gap:25px}header nav{margin-left:20px;gap:25px;font-size:12px}
h1,h2,h3{font-weight:750;letter-spacing:-.035em}h1 em,h2 em{font-family:inherit;font-style:normal;font-weight:850;color:var(--blue)}.home-hero h1 em,.hm-intro h1 em{color:var(--yellow);-webkit-text-stroke:1.5px #2466a3;text-shadow:2px 3px 0 #2466a3}.home-hero{background:radial-gradient(ellipse at 90% 15%,#dbeeff 0,transparent 60%)}.eyebrow{color:#416b97}.home-hero .eyebrow{color:#c33419}.status-dot{background:var(--red)}.button{background:var(--blue);border:2px solid #1d5e99;border-radius:10px;box-shadow:0 3px 0 #164b80;color:#fff}.button:hover{background:#1d5e99;box-shadow:0 2px 0 #164b80}.button:active{transform:translateY(2px);box-shadow:none}.hero-meta{color:#486c98}.principles{background:var(--yellow);border-block-color:#e3b400}.principles .wrap{color:#3b4b63;font-weight:550}.principles span:first-child{color:#26344b}.art-frame{background:var(--red);border:2px solid #ad290e;box-shadow:10px 13px 0 #2a75bb18,0 17px 40px #2a75bb15;border-radius:14px}.frame-top,.frame-bottom{color:#fff}.tiny-dot{background:var(--yellow)}.art-tag{background:#fff5be;border:2px solid #e8bf28;border-radius:7px;color:#245a91;font:700 19px/1.35 system-ui}.art-tag span{font:10px system-ui;color:#56697e}.art-stamp{color:#3b6a9b}.game-card{border:2px solid #d6e3f3;border-radius:12px}.game-card:hover{border-color:var(--blue);box-shadow:0 10px 28px #2a75bb15}.game-cover{background:radial-gradient(ellipse at 75% 25%,#509be4,#14508f 80%);color:var(--yellow)}.cover-title{font-weight:800}.cover-title strong{font-family:inherit;font-weight:900;text-shadow:2px 3px 0 #153d70}.cover-orbit{border:2px solid #ffcb0566}.cover-kicker,.cover-label{color:#fff4bf}.cover-mountain{background:#72b8e8}.m2{background:var(--yellow)}.m3{background:#1d6ab0}.chip.green{background:#fff2ac;color:#66500a}.game-info h3{color:#245c99}.game-card-bottom span:last-child{color:#245c99}.shelf-note h3{font-family:inherit;font-weight:700;color:#2b5885}.shelf-note small{color:#557291}.feature-grid>div>span{color:var(--red);font-weight:750}.feature-grid h3{color:#245c99}.philosophy h2{color:#233f67}.section-heading h2 span{color:var(--red)}footer{color:#526c8b}footer .brand{color:#2a75bb}
.chapter-card{border:2px solid #dce6f3;border-radius:10px}.chapter-card:hover{border-color:#2a75bb;background:#fff}.chapter-number{font:800 27px/1.5 system-ui;color:#e3350d}.chapter-card small{color:#57799c}.chapter-card h3{color:#245487}.card-arrow{color:#2a75bb}.sidebar nav a{color:#526f91}.sidebar nav a:hover{background:#e3eeff}.sidebar nav a[aria-current=page]{background:#dcecff;color:#1b5795;border-left:3px solid #e3350d}.sidebar-title{color:#245c99}.sidebar nav a span{opacity:1;color:#7c93ad}.legend-link{color:#2a75bb}.hm-side-link{color:#b13214}.badge-pill{background:#fff3b0;border:1px solid #e5c75d;color:#6d5109}.reader-tools{justify-content:space-between;gap:15px}.reader-tools>a{font-size:11px;font-weight:700;color:#2a75bb}.reader-tools button{background:#fff;border:1px solid #c4d8ee;border-radius:6px;color:#38638e}.prereqs{border:1px solid #c7dbf2;background:#eaf3ff}.prereqs>div>span{color:#305f91}.prereqs>div>span+span:before{content:'·';margin-right:15px;color:#80a2c6}.gate-panel{background:#fff7d6;border-color:#edd270;border-left:4px solid var(--yellow);color:#675016}.gate-panel strong{color:#6b4c08}.kind-puzzle .section-label{color:#b95112}.kind-legendary{background:#f2eeff;border-color:#d9cdf4}.kind-note{background:#eaf3ff;border-color:#7da8d4}.section-label{color:#537ca7}.step{display:block;cursor:auto;position:static;color:var(--ink);margin:14px 0 0;font-size:14px;line-height:1.85}.picture{background:#fff;border:1px solid #cbdcf0;border-radius:8px}.picture img{background:#e8f0fc}.picture figcaption{color:#456789}.chapter-navigation{margin-top:35px;font-weight:650;color:#2a75bb}.source-note{color:#667b92}.mobile-chapters select{background:#fff;border-color:#c7d9ee}.source-note a:hover{color:#1c5b9c}.fullsize-link{color:#2a75bb}.skip{background:#fff;color:#23354d}
.hm-banner{display:flex;align-items:center;gap:18px;padding:20px 23px;margin-top:32px;border:2px solid #b6d4f5;border-radius:12px;background:linear-gradient(110deg,#e4f1ff,#fff);max-width:700px;transition:border-color .2s}.hm-banner:hover{border-color:var(--blue)}.hm-banner strong{display:block;font-size:15px;color:#245c99}.hm-banner small{display:block;font-size:11px;color:#57718e;margin-top:5px}.hm-banner>span:last-child{margin-left:auto;color:var(--blue);font-size:24px}.hm-banner-icon{width:48px;height:48px;flex-shrink:0;border:3px solid #e5b805;background:var(--yellow);border-radius:50%;display:grid;place-items:center;color:#254f84;font:900 15px system-ui}.hm-guide{padding-bottom:75px}.hm-intro{padding:10px 0 30px}.hm-intro h1{margin-top:17px}.hm-intro .lead{max-width:650px;margin-top:20px}.hm-jumps{display:flex;flex-wrap:wrap;gap:9px;padding:0 0 26px}.hm-jumps a{display:flex;gap:8px;padding:8px 12px;background:#fff;border:1px solid #c6d9ef;border-radius:7px;color:#366b9f;font-size:11px;font-weight:750}.hm-jumps a span{color:#4f627b;font-weight:500}.hm-jumps a:hover{background:#fff1a7;border-color:#e1b826}.hm-note{border:1px solid #ecd578;border-left:4px solid var(--yellow);border-radius:7px;padding:18px 22px;background:#fff8dd;max-width:850px;margin-bottom:30px}.hm-note strong{font-size:13px;color:#6d510a}.hm-note p{font-size:12px;line-height:1.9;margin:5px 0 0;color:#6b5b36}.hm-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.hm-card{border:1px solid #c6d8ed;background:#fff;border-top:4px solid var(--blue);border-radius:10px;padding:25px;scroll-margin-top:110px}.hm-card:nth-child(3n+1){border-top-color:var(--red)}.hm-card:nth-child(3n+2){border-top-color:var(--yellow)}.hm-card-title{display:flex;align-items:center;gap:13px;flex-wrap:wrap}.hm-disc{display:grid;place-items:center;border-radius:50%;background:#fff2b2;border:3px solid #e4bd35;color:#255a90;width:57px;height:57px;flex-shrink:0;font-size:11px;font-weight:850}.hm-card .eyebrow{font-size:8px;color:#6889ad}.hm-card h2{font-size:27px;line-height:1.2;margin-top:5px;color:#245c99}.hm-stage{display:block;width:100%;font-size:10px;color:#6a7d94;border-bottom:1px solid #e0e9f5;padding-bottom:13px;margin-top:5px}.hm-card dl{margin:18px 0}.hm-card dl>div{margin-top:13px}.hm-card dt{font-size:8px;font-weight:800;letter-spacing:.12em;color:#6985a4}.hm-card dd{margin:4px 0 0;font-size:13px;line-height:1.8;color:#344f70}.hm-chapter-link{font-size:11px;font-weight:750;color:#2a75bb;border-bottom:1px solid #b6cfeb;padding-bottom:2px}.hm-guide>.source-note{max-width:850px;font-size:10px;margin:25px 0}.hm-guide>.button{margin-top:8px}
@media(max-width:1100px){header nav{margin-left:10px;gap:22px}.header-note{font-size:10px;max-width:120px}.hm-card{padding:22px}}
@media(max-width:800px){header nav{margin-left:auto;gap:18px;font-size:11px}.hm-grid{gap:16px}.hm-card{padding:20px}.hm-card h2{font-size:24px}}
@media(max-width:560px){header nav{gap:12px;font-size:9px}.header-inner{gap:10px}.hm-grid{grid-template-columns:1fr}.hm-intro h1{font-size:43px}.hm-intro .lead{font-size:15px}.hm-banner{padding:16px;gap:12px}.hm-banner strong{font-size:13px}.hm-banner small{font-size:10px}.hm-banner-icon{width:39px;height:39px;font-size:12px}.reader-tools>a{font-size:10px}.hm-jumps{gap:8px}.hm-jumps a{padding:8px 10px;font-size:10px}.hm-card h2{font-size:27px}.hm-card{scroll-margin-top:90px}.hm-note{padding:16px}.home-hero h1 em{-webkit-text-stroke:1px #2466a3;text-shadow:1px 2px 0 #2466a3}.cover-title strong{font-family:inherit}.prereqs>div{gap:6px 15px}.prereqs>div>span+span:before{margin-right:10px}}