.products-menu{position:relative}.products-menu>summary{cursor:pointer;white-space:nowrap;padding:12px 0;list-style:none}.products-menu>summary::-webkit-details-marker{display:none}.products-menu>summary span{margin-left:4px}.products-panel{background:var(--paper);border:1px solid var(--line);grid-template-columns:1fr 1fr;gap:5px 20px;width:430px;padding:24px;display:grid;position:absolute;top:52px;right:-60px;box-shadow:0 16px 40px #183c3320}.products-panel>.eyebrow{grid-column:1/-1;margin:0 0 10px;font-size:10px}.desktop-nav .products-panel>a{border-bottom:1px solid var(--line);padding:10px 0}.products-panel strong{font-size:12px;font-weight:500}.products-panel small{color:var(--muted);margin-top:3px;font-size:10px;display:block}.products-panel .all-products{grid-column:1/-1;font-size:11px;border-bottom:0!important}.mobile-menu nav{max-height:calc(100svh - 90px);overflow:auto}.mobile-products-label{border-top:1px solid var(--line);color:var(--muted);letter-spacing:.1em;margin-top:12px;padding-top:20px;font-size:11px}.page-intro{padding-block:75px 65px}.page-intro h1{letter-spacing:.035em;font-size:clamp(42px,4.7vw,68px);line-height:1.4}.page-intro>p{color:var(--muted);margin-top:25px;font-size:16px;line-height:1.9}.featured-level{background:#e6e8da;grid-template-columns:1fr 1fr;margin-bottom:70px;display:grid}.featured-illustration{min-height:420px;position:relative;overflow:hidden}.featured-illustration img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.featured-illustration>span{font-family:var(--serif);color:#fbf2d6;text-shadow:0 2px 15px #132e3680;font-size:85px;line-height:1.2;position:absolute;bottom:15px;left:30px}.featured-content{padding:45px 11%}.featured-content h2{margin-bottom:20px;font-size:47px}.featured-content .lead{font-family:var(--serif);margin-bottom:16px;font-size:23px;line-height:1.6}.featured-content>p:not(.lead){color:var(--muted);font-size:13px}.featured-content .button{margin-top:26px;font-size:13px}.featured-content .eyebrow{align-items:center;gap:10px;font-size:10px;display:flex}.live-dot{background:#657d48;border-radius:50%;width:6px;height:6px;box-shadow:0 0 0 4px #657d4815}.entry-note{color:var(--muted);margin-top:12px;font-size:9px;display:block}.volume-nav{flex-wrap:wrap;gap:18px;margin-bottom:35px;display:flex}.volume-nav a{border:1px solid var(--line);gap:10px;padding:10px 13px;font-size:12px;display:flex}.volume-nav a:hover{border-color:var(--red);color:var(--red)}.volume-nav a span{color:#8c9786;font-family:Georgia,serif}.volume-section{border-top:1px solid var(--line);scroll-margin-top:30px}.volume-section>summary{cursor:pointer;align-items:center;gap:24px;padding:30px 0;list-style:none;display:flex}.volume-section>summary::-webkit-details-marker{display:none}.volume-index{color:#8b9782;font-family:Georgia,serif;font-size:40px}.volume-section h2{font-size:27px}.volume-section summary p{color:var(--muted);margin-top:5px;font-size:12px}.volume-range{color:var(--muted);white-space:nowrap;margin-left:auto;font-size:11px}.expand-sign{margin-left:10px;font-size:22px}.volume-section[open]>summary .expand-sign{transform:rotate(45deg)}.level-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;padding-bottom:36px;display:grid}.level{border:1px solid var(--line);color:#697266;background:#f0ede4;flex-direction:column;min-height:225px;padding:20px;display:flex;position:relative}.level-meta{justify-content:space-between;align-items:center;margin-bottom:17px;font-size:9px;display:flex}.level-meta>span:first-child{color:#8d9583;font-family:Georgia,serif;font-size:24px}.level h3{font-family:var(--serif);color:#596757;font-size:22px;line-height:1.5}.level-skill{color:var(--muted);margin-top:7px;font-size:10px}.level-description{margin:16px 0 20px;font-size:11px}.level-description>summary{cursor:pointer;justify-content:space-between;align-items:center;min-height:32px;list-style:none;display:flex}.level-description>summary::-webkit-details-marker{display:none}.level-description p{color:#52614f;margin-top:10px;font-size:12px;line-height:1.9}.level-lock{border-top:1px solid #d8d9ca;align-items:center;gap:8px;margin-top:auto;padding-top:12px;font-size:10px;display:flex}.level-available{color:#344c37;background:#dce4cf;border-color:#9cae8d}.level-available h3{color:#263f2e}.level-available .level-meta>span:last-child{color:var(--red)}.level-play{color:#2c4931;border-top:1px solid #aebea1;justify-content:space-between;min-height:36px;margin-top:auto;padding-top:9px;font-size:12px;display:flex}.level-play:hover{color:var(--red)}.catalog-note{color:var(--muted);border-top:1px solid var(--line);padding-top:25px;font-size:11px}.catalog{padding-bottom:85px}.editorial-section{padding-block:55px 90px}.stage-list{border-top:1px solid var(--line);margin-top:38px;list-style:none}.stage-list li{border-bottom:1px solid var(--line);grid-template-columns:85px 155px 1fr;align-items:start;gap:25px;padding:28px 0;display:grid}.stage-number{color:#87947d;font-family:Georgia,serif;font-size:34px;line-height:1.5}.stage-range{color:var(--muted);padding-top:15px;font-size:12px}.stage-list h3{font-family:var(--serif);margin-bottom:8px;font-size:26px}.stage-list p{color:var(--muted);font-size:14px}.dimension-section{background:#e9ecdf;padding-block:75px}.dimensions{grid-template-columns:repeat(3,1fr);gap:40px 60px;margin-top:45px;display:grid}.dimensions>div{border-top:1px solid #c4cebb;padding-top:19px}.dimensions>div>span{color:var(--red);font-size:11px}.dimensions h3{font-size:22px;font-family:var(--serif);margin:10px 0}.dimensions p{color:var(--muted);font-size:13px}.method-note{color:var(--muted);margin-top:30px;font-size:11px;line-height:1.85}.two-column{grid-template-columns:1fr 1fr;gap:12%;display:grid}.prose{color:#4d6254;font-size:15px;line-height:2.1}.prose h3{font-size:22px;font-family:var(--serif);color:var(--ink);margin:27px 0 12px}.prose h3:first-child{margin-top:0}.prose p+p,.prose .text-link{margin-top:20px}.parent-principles{grid-template-columns:repeat(3,1fr);gap:50px;padding-block:20px 70px;display:grid}.parent-principles>div{border-top:1px solid var(--line);padding-top:20px}.parent-principles>div>span{color:var(--red);font-size:12px}.parent-principles h2{margin:15px 0;font-size:27px}.parent-principles p{color:var(--muted);font-size:13px}.faq-section{padding-bottom:55px}.faq{border-top:1px solid var(--line)}.faq:last-child{border-bottom:1px solid var(--line)}.faq>summary{cursor:pointer;justify-content:space-between;gap:25px;padding:22px 0;font-size:17px;list-style:none;display:flex}.faq>summary::-webkit-details-marker{display:none}.faq>summary>span:last-child{color:var(--muted)}.faq[open]>summary>span:last-child{transform:rotate(45deg)}.faq>p{max-width:880px;color:var(--muted);padding:0 40px 25px 0;font-size:14px;line-height:2}.reading-note{padding:40px 0 70px}.reading-note h2{margin-bottom:22px;font-size:34px}.reading-note p{color:var(--muted);margin-bottom:20px;font-size:14px}.about-visual{height:400px;overflow:hidden}.about-visual img{object-fit:cover;object-position:center 65%;width:100%;height:100%}.source-list{margin-top:25px;list-style:none}.source-list li{border-top:1px solid var(--line);padding:18px 0}.source-list a{text-underline-offset:4px;font-size:13px;text-decoration:underline}.source-list span{color:var(--muted);margin-top:7px;font-size:11px;display:block}.article-list{padding:0 0 100px}.article-list>article{border-top:1px solid var(--line);grid-template-columns:90px 1fr 70px;gap:35px;padding:40px 0;display:grid}.article-index{color:#909a84;font-family:Georgia,serif;font-size:38px}.article-list h2{margin-bottom:15px;font-size:30px;line-height:1.5}.article-list h2 a:hover{color:var(--red)}.article-list .eyebrow{margin-bottom:13px;font-size:10px}.article-list p{color:var(--muted);font-size:14px}.article-arrow{text-align:right;align-self:center;font-size:30px}.article-meta{color:var(--muted);flex-wrap:wrap;gap:20px;margin-top:20px;font-size:11px;display:flex}.article-page{width:calc(100% - 50px);max-width:780px;margin:55px auto 90px}.article-back{color:var(--muted);margin-bottom:38px;font-size:12px;display:inline-block}.article-page header>.eyebrow{margin-bottom:18px;font-size:11px}.article-page h1{font-size:clamp(30px,4vw,49px);line-height:1.5}.article-lead{color:#4f6557;border-block:1px solid var(--line);margin:30px 0 40px;padding:28px 0;font-size:17px;line-height:2.1}.article-page .prose h2{margin:35px 0 18px;font-size:27px;line-height:1.6}.article-page .prose{font-size:15px;line-height:2.15}.article-sources{border-top:1px solid var(--line);margin-top:50px;padding-top:25px}.article-sources h2{margin-bottom:15px;font-size:22px}.article-sources ul{color:var(--muted);padding-left:19px;font-size:12px;line-height:2.3}.article-sources a{text-underline-offset:3px;text-decoration:underline}.article-sources p{color:var(--muted);margin-top:17px;font-size:11px}.article-next{color:var(--red);flex-wrap:wrap;gap:25px;margin-top:40px;font-size:12px;display:flex}.not-found{min-height:60vh}.not-found .button{margin-top:35px}@media (width<=1100px){.desktop-nav{gap:21px!important}.site-header{gap:26px!important}.featured-content{padding:35px 9%}.featured-content h2{font-size:40px}.level-grid{gap:15px}.level{padding:16px}.level h3{font-size:20px}.stage-list li{grid-template-columns:60px 120px 1fr}.dimensions{gap:35px}.parent-principles{gap:30px}.parent-principles h2{font-size:24px}}@media (width<=800px){.page-intro{padding-block:55px 45px}.page-intro h1{font-size:47px}.page-intro>p{font-size:14px}.featured-content{padding:30px 25px}.featured-content h2{font-size:36px}.featured-content .lead{font-size:21px}.featured-illustration{min-height:430px}.volume-nav{gap:10px}.volume-nav a{padding:8px 11px;font-size:11px}.level-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.level h3{font-size:19px}.volume-section summary p{font-size:10px}.dimensions{gap:30px 25px}.two-column{gap:7%}.prose{font-size:14px}.parent-principles{gap:25px}.parent-principles h2{font-size:22px}.parent-principles p{font-size:12px}.article-list>article{grid-template-columns:50px 1fr 30px;gap:24px}.article-list h2{font-size:27px}.about-visual{height:310px}}@media (width<=580px){.site-header{gap:17px!important}.page-intro{padding-block:40px}.page-intro h1{font-size:37px}.page-intro>.eyebrow{margin-bottom:20px;font-size:9px}.page-intro>p{margin-top:18px;font-size:13px}.featured-level{grid-template-columns:1fr;margin-bottom:45px}.featured-illustration{min-height:240px}.featured-illustration img{object-position:center 70%}.featured-illustration>span{font-size:60px;bottom:8px;left:20px}.featured-content{padding:27px}.featured-content h2{margin-bottom:15px;font-size:34px}.featured-content .lead{font-size:22px}.featured-content>p:not(.lead){font-size:12px}.featured-content .button{margin-top:22px}.volume-nav{grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:25px;display:grid}.volume-nav a{justify-content:center;gap:6px;padding:8px 4px;font-size:10px}.volume-section>summary{align-items:center;gap:13px;padding:24px 0}.volume-index{font-size:29px}.volume-section h2{font-size:22px}.volume-section summary p{max-width:220px;font-size:10px}.volume-range{display:none}.expand-sign{margin-left:auto;font-size:18px}.level-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding-bottom:24px}.level{min-height:220px;padding:14px}.level h3{font-size:19px}.level-meta{margin-bottom:13px;font-size:8px}.level-meta>span:first-child{font-size:22px}.level-skill{font-size:9px}.level-description{margin-block:11px 16px;font-size:10px}.level-description p{font-size:11px}.level-description summary{min-height:40px}.level-play{align-items:center;min-height:40px;font-size:11px}.catalog{padding-bottom:55px}.catalog-note{font-size:10px}.editorial-section{padding-block:30px 55px}.editorial-section .section-heading h2{font-size:28px}.stage-list{margin-top:25px}.stage-list li{grid-template-columns:45px 1fr;gap:7px 12px;padding-block:22px}.stage-number{grid-row:1/3;font-size:29px}.stage-range{padding:0;font-size:10px}.stage-list li>div{grid-column:2}.stage-list h3{font-size:22px}.stage-list p{font-size:12px}.dimension-section{padding-block:45px}.dimension-section h2{font-size:30px}.dimensions{grid-template-columns:repeat(2,1fr);gap:25px 20px;margin-top:30px}.dimensions h3{font-size:19px}.dimensions p{font-size:12px}.dimensions>div>span,.method-note{font-size:10px}.two-column{grid-template-columns:1fr;gap:27px}.prose{font-size:13px}.prose h3{font-size:23px}.parent-principles{grid-template-columns:1fr;gap:25px;padding-bottom:45px}.parent-principles h2{margin-block:10px;font-size:26px}.parent-principles p{font-size:13px}.faq>summary{padding-block:20px;font-size:15px}.faq>p{padding-right:0;font-size:13px}.faq-section{padding-bottom:30px}.reading-note{padding-block:25px 45px}.reading-note h2{font-size:29px}.reading-note p{font-size:13px}.about-visual{height:240px}.article-list>article{grid-template-columns:32px 1fr;gap:15px;padding-block:27px}.article-index{font-size:26px}.article-list h2{font-size:23px}.article-list p{font-size:12px}.article-arrow{display:none}.article-list .eyebrow{font-size:9px}.article-meta{gap:10px;font-size:9px}.article-list{padding-bottom:55px}.article-page{width:calc(100% - 40px);margin-top:35px;margin-bottom:60px}.article-page h1{font-size:31px}.article-back{margin-bottom:30px;font-size:11px}.article-page .article-meta{font-size:10px}.article-lead{margin-block:25px 30px;padding-block:22px;font-size:15px}.article-page .prose{font-size:14px}.article-page .prose h2{margin-top:28px;font-size:24px}.article-sources li{font-size:11px}.article-next{gap:15px;font-size:11px}}:root{--paper:#f6f2e9;--paper-deep:#ece6d9;--ink:#233b35;--muted:#56655b;--red:#a43d2c;--line:#d6d4c5;--serif:"Songti SC","STSong","SimSun",serif;--sans:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;--max:1240px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;margin:0;font-size:15px;line-height:1.85}a{color:inherit;text-decoration:none}button,input,summary{font:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}button{color:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--red);outline-offset:5px}img{max-width:100%;height:auto;display:block}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-weight:500}h1,h2{font-family:var(--serif)}h2{letter-spacing:.035em;font-size:clamp(30px,3.5vw,48px);line-height:1.45}h3{line-height:1.55}em{color:var(--red);font-style:normal}p+p{margin-top:20px}ul,ol{margin:0;padding:0}::selection{background:#d6d8b7}.section-wrap{width:min(var(--max),calc(100% - 112px));margin-inline:auto}.skip-link{z-index:100;background:var(--paper);padding:10px 20px;position:fixed;top:8px;left:8px;transform:translateY(-150%)}.skip-link:focus{transform:none}.site-header{background:var(--paper);z-index:20;border-bottom:1px solid #dedbcf;align-items:center;gap:36px;height:98px;padding:0 4.2%;display:flex;position:relative}.brand{font-family:var(--serif);white-space:nowrap;letter-spacing:.07em;align-items:center;gap:12px;font-size:26px;font-weight:600;line-height:1.25;display:flex}.brand small{font-family:var(--sans);letter-spacing:.15em;color:var(--muted);margin-top:7px;font-size:9px;font-weight:400;display:block}.brand-seal{background:var(--red);outline:1px solid var(--red);outline-offset:3px;color:#fff7e6;font-family:var(--serif);border:1px solid #9e4232;place-items:center;width:38px;height:42px;font-size:29px;display:grid;transform:rotate(-3deg)}.desktop-nav{gap:32px;margin-left:auto;font-size:14px;display:flex}.desktop-nav a{padding:12px 0;position:relative}.desktop-nav a:hover,.desktop-nav a[aria-current]{color:var(--red)}.desktop-nav a[aria-current]:after{content:"";background:var(--red);border-radius:50%;width:4px;height:4px;position:absolute;bottom:2px;left:50%}.header-cta{border:1px solid var(--ink);align-items:center;gap:27px;padding:9px 19px;font-size:13px;transition:all .2s;display:flex}.header-cta:hover{color:var(--paper);background:var(--ink)}.mobile-menu{display:none}.button{background:var(--red);color:#fff8ed;border:1px solid var(--red);justify-content:space-between;align-items:center;gap:34px;min-height:54px;padding:15px 25px;font-size:15px;transition:background .2s,transform .2s;display:inline-flex}.button:hover{background:#873122;transform:translateY(-2px)}.button span{font-size:21px;line-height:1}.text-link{border-bottom:1px solid var(--ink);align-items:center;gap:30px;padding:8px 0;font-size:14px;display:inline-flex}.text-link:hover{color:var(--red);border-color:var(--red)}.eyebrow{letter-spacing:.16em;color:var(--muted);margin-bottom:22px;font-size:12px;display:block}.section-label{color:var(--muted);letter-spacing:.12em;align-items:center;gap:20px;margin-bottom:50px;font-size:12px;display:flex}.section-label>span:first-child{border:1px solid var(--red);color:var(--red);white-space:nowrap;padding:2px 9px}.section-label:after{content:"";background:var(--line);flex:1;height:1px;margin-left:18px}.hero{isolation:isolate;color:#fff8e7;background:#235556;height:min(780px,100svh - 98px);min-height:min(650px,100svh - 98px);position:relative;overflow:hidden}.hero picture,.hero-image,.hero-shade{width:100%;height:100%;position:absolute;inset:0}.hero-image{object-fit:cover;object-position:center 55%;z-index:-3}.hero-shade{z-index:-2;background:linear-gradient(90deg,#0000 35%,#0d343c22 49%,#103d45b3 80%),linear-gradient(#0000 70%,#163d3c77)}.hero-content{width:47%;margin-left:53%;padding:clamp(45px,7vh,92px) 7% 55px 2%;animation:1s both hero-in}.hero-kicker{letter-spacing:.25em;color:#e6dec4;align-items:center;gap:12px;font-size:12px;display:flex}.hero-kicker>span{background:#e6dec4;width:22px;height:1px}.hero h1{letter-spacing:.07em;white-space:nowrap;margin:27px 0 28px;font-size:clamp(50px,5.6vw,84px);line-height:1.15;position:relative}.hero-stamp{letter-spacing:.08em;color:#e4b08d;vertical-align:top;border:1px solid #d6a27f;margin:8px 0 0 14px;padding:4px 5px;font-size:11px;line-height:1.5;display:inline-flex;transform:rotate(5deg)}.hero-promise{font-family:var(--serif);letter-spacing:.04em;font-size:clamp(25px,2.6vw,39px);line-height:1.6}.hero-promise span{color:#ead2a3}.hero-description{color:#e0e6d9;margin-top:22px;font-size:13px;line-height:2.1}.hero-actions{flex-wrap:wrap;align-items:center;gap:24px;margin-top:29px;display:flex}.hero-secondary{color:#fff4dd;white-space:nowrap;border-bottom:1px solid #b0c3b099;padding:7px 0;font-size:12px}.hero-secondary span{margin-left:10px}.hero-bottom{letter-spacing:.2em;color:#f4ecd2;justify-content:space-between;font-size:10px;display:flex;position:absolute;bottom:25px;left:4.2%;right:4.2%}.hero-bottom span span{margin-left:18px}.intro-section{padding-block:95px 45px}.intro-grid{grid-template-columns:1fr 1fr;gap:12%;display:grid}.intro-copy{max-width:490px;padding-top:4px}.intro-copy p{color:var(--muted)}.intro-copy .lead{color:var(--ink);font-size:19px;line-height:1.9}.intro-copy .ink-note{color:var(--red);font-family:var(--serif);margin:25px 0 12px;font-size:23px}.story-ribbon{border-top:1px solid var(--line);color:var(--muted);font-family:var(--serif);justify-content:space-between;align-items:center;gap:16px;margin-top:65px;padding-top:28px;font-size:18px;display:flex}.story-ribbon i{color:#9b9e87;font-size:10px;font-style:normal}.problem-section{background:#eaece1;margin-top:45px;padding:90px 0}.problem-grid{grid-template-columns:1fr 1fr;align-items:start;gap:12%;display:grid}.problem-sticky{position:sticky;top:45px}.problem-sticky>p{color:var(--muted);margin-top:22px;font-size:14px}.game-preview{margin-top:30px}.game-preview img{aspect-ratio:1.58;object-fit:cover;border:6px solid #f7f3e9;width:100%;box-shadow:0 8px 28px #344d3212}.game-preview figcaption{color:var(--muted);padding-top:10px;font-size:10px}.process-steps{list-style:none}.process-steps li{border-top:1px solid #c5ccbd;gap:24px;padding:30px 0 42px;display:flex}.process-steps li:first-child{border:0;padding-top:0}.step-number{color:#708069;padding-top:3px;font-family:Georgia,serif;font-size:26px;line-height:1.2}.process-steps .eyebrow{color:var(--red);margin-bottom:10px;font-size:11px}.process-steps h3{font-family:var(--serif);margin-bottom:17px;font-size:26px}.process-steps p{color:#5b6c60;font-size:14px;line-height:2}.idea-tags{flex-wrap:wrap;gap:8px;margin-top:20px;display:flex}.idea-tags span{border:1px solid #c5cbbb;border-radius:2px;padding:4px 9px;font-size:10px}.volumes-section{padding-block:100px 80px}.section-heading{justify-content:space-between;align-items:end;gap:60px;margin-bottom:50px;display:flex}.section-heading>div{padding-bottom:5px}.section-heading p{color:var(--muted);margin-bottom:16px;font-size:14px}.bookshelf{border-bottom:8px double #b9b7a3;grid-template-columns:repeat(6,minmax(0,1fr));gap:17px;padding:0 0 25px;display:grid}.volume-book{background:#d8decf;border:1px solid #00000010;border-radius:2px 5px 4px 2px;flex-direction:column;min-height:250px;padding:18px 16px 20px 24px;transition:transform .3s,box-shadow .3s;display:flex;position:relative;overflow:hidden;box-shadow:5px 7px #ddd8ca}.volume-book:before{content:"";background:#fff5;width:1px;position:absolute;top:0;bottom:0;left:8px;box-shadow:3px 0 #0000000c}.volume-book:hover{transform:translateY(-12px)rotate(-2deg);box-shadow:7px 18px #ddd8ca}.book-top{letter-spacing:.08em;justify-content:space-between;font-size:10px;display:flex}.book-top>span{writing-mode:vertical-rl;opacity:.65;font-size:8px;position:absolute;top:18px;right:12px}.book-symbol{font-family:var(--serif);text-align:center;opacity:.65;margin:12px 0 2px;font-size:87px;line-height:1.3}.volume-book h3{font-family:var(--serif);text-align:center;letter-spacing:.09em;font-size:19px}.book-bottom{justify-content:space-between;margin-top:auto;padding-top:20px;font-size:9px;display:flex}.volume-2{background:#dbcdb1}.volume-3{background:#c1d0c9}.volume-4{background:#d6baa5}.volume-5{background:#bac9cc}.volume-6{background:#c9c7aa}.growth-path{color:var(--muted);justify-content:space-between;align-items:center;gap:10px;margin-top:27px;font-size:12px;display:flex}.growth-path i{color:#9a9f8b;font-style:normal}.evidence-section{grid-template-columns:1.05fr 1fr;align-items:center;gap:13%;padding-block:40px 105px;display:grid}.evidence-paper{background:#fcfaf3;border:1px solid #dfdccd;padding:37px 45px;transform:rotate(-2deg);box-shadow:12px 13px #e8e3d5}.paper-heading{letter-spacing:.1em;color:var(--muted);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding-bottom:18px;font-size:12px;display:flex}.small-seal{border:1px solid var(--red);color:var(--red);padding:1px 5px;font-size:10px;transform:rotate(7deg)}.paper-question{font-family:var(--serif);margin:30px 0;font-size:25px;line-height:1.8}.paper-line{border-top:1px solid #e2dfd4;grid-template-columns:60px 1fr;gap:15px;padding:16px 0;font-size:12px;display:grid}.paper-line>span{color:var(--red);letter-spacing:.15em}.paper-line>p{color:var(--muted)}.paper-footnote{color:var(--muted);margin-top:19px;font-size:9px;display:block}.evidence-copy h2{margin-bottom:25px;font-size:clamp(28px,3.2vw,43px)}.evidence-copy p{color:var(--muted);font-size:14px}.evidence-copy .text-link{margin-top:24px}.closing-cta{border-block:1px solid var(--line);margin-bottom:80px;padding:65px 5%;position:relative;overflow:hidden}.closing-cta h2{margin-bottom:17px;font-size:clamp(30px,3.5vw,48px)}.closing-cta>p{color:var(--muted);margin-bottom:25px;font-size:14px}.closing-cta .text-link{margin-left:27px}.closing-mark{font-family:var(--serif);opacity:.055;pointer-events:none;font-size:260px;line-height:1.5;position:absolute;top:0;right:8%}.site-footer{background:#eae7dc;padding:55px 4.2% 22px}.footer-top{max-width:var(--max);justify-content:space-between;gap:35px;margin:auto;padding-bottom:45px;display:flex}.footer-top>p{font-family:var(--serif);color:var(--muted);font-size:20px;line-height:1.75}.footer-top nav{align-items:start;gap:25px;font-size:12px;display:flex}.footer-top nav a:hover{color:var(--red)}.footer-bottom{max-width:var(--max);color:var(--muted);border-top:1px solid #cfcec0;justify-content:space-between;gap:20px;margin:auto;padding-top:20px;font-size:10px;display:flex}[data-reveal].arrived{animation:.7s both reveal}@keyframes reveal{0%{opacity:.75;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes hero-in{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@media (width>=1600px){.hero-content{padding-top:85px}.hero h1{font-size:84px}.hero-promise{font-size:39px}}@media (width<=1100px){.site-header{gap:25px}.desktop-nav{gap:20px}.brand{font-size:23px}.hero{min-height:min(630px,100svh - 98px)}.hero-content{width:49%;margin-left:51%;padding-left:1%;padding-right:4%}.hero h1{font-size:58px}.hero-stamp{margin-left:5px;font-size:9px}.hero-promise{font-size:31px}.hero-actions{gap:12px}.section-wrap{width:calc(100% - 80px)}.intro-grid,.problem-grid{gap:8%}.bookshelf{gap:12px}.volume-book{min-height:225px;padding-left:17px}.book-symbol{font-size:70px}.volume-book h3{font-size:17px}.book-top{font-size:9px}.book-top>span{display:none}.evidence-section{gap:9%}.evidence-paper{padding:28px}.footer-top>p{font-size:17px}}@media (width<=800px){.site-header{gap:20px;height:82px;padding-inline:28px}.desktop-nav{display:none}.header-cta{gap:14px;margin-left:auto;padding:7px 13px}.brand small{font-size:8px}.brand-seal{width:32px;height:36px;font-size:25px}.mobile-menu{font-size:13px;display:block}.mobile-menu summary{cursor:pointer;align-items:center;gap:9px;min-height:44px;list-style:none;display:flex}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu nav{background:var(--paper);border-block:1px solid var(--line);gap:2px;padding:20px 28px;display:grid;position:absolute;top:81px;left:0;right:0;box-shadow:0 12px 20px #1a2a1b1a}.mobile-menu nav a{padding:10px 0}.hero{height:min(650px,100svh - 82px);min-height:560px}.hero-content{width:51%;margin-left:49%;padding-top:70px}.hero h1{letter-spacing:.03em;font-size:48px}.hero-stamp{display:none}.hero-promise{font-size:27px}.hero-description{font-size:12px}.hero-actions .button{padding:13px 18px;font-size:13px}.hero-secondary{font-size:11px}.hero-image{object-position:42% center}.section-wrap{width:calc(100% - 56px)}.intro-section{padding-top:65px}.section-label{margin-bottom:32px;font-size:10px}.intro-grid{gap:6%}.intro-copy .lead{font-size:16px}.intro-copy p{font-size:13px}.intro-copy .ink-note{font-size:19px}.story-ribbon{gap:9px;font-size:14px}.problem-section{padding-block:60px}.problem-grid{gap:6%}.process-steps li{gap:17px}.process-steps h3{font-size:22px}.process-steps p{font-size:13px}.bookshelf{border-bottom:0;grid-template-columns:repeat(3,1fr);gap:25px 22px}.volume-book{min-height:240px;padding:20px 22px 18px 27px}.book-top>span{display:block}.book-symbol{font-size:80px}.volume-book h3{font-size:21px}.volumes-section{padding-block:65px}.section-heading{gap:30px}.section-heading p{font-size:12px}.growth-path{flex-wrap:wrap;justify-content:center;gap:12px}.evidence-section{gap:7%;padding-bottom:80px}.evidence-paper{padding:25px}.paper-question{font-size:21px}.paper-line{font-size:11px;display:block}.paper-line>span{margin-bottom:7px;display:block}.evidence-copy p{font-size:13px}.evidence-copy h2{font-size:30px}.footer-top{flex-wrap:wrap}.footer-top nav{width:100%}.footer-bottom{font-size:9px}}@media (width<=580px){.section-wrap{width:calc(100% - 40px)}.site-header{gap:17px;height:75px;padding-inline:22px}.brand{gap:10px;font-size:21px}.brand small{letter-spacing:.06em;font-size:7px}.brand-seal{width:29px;height:32px;font-size:23px}.header-cta{display:none}.mobile-menu{margin-left:auto}.mobile-menu nav{top:74px}.hero{height:calc(100svh - 75px);min-height:600px;max-height:820px}.hero-image{object-position:center top}.hero-shade{background:linear-gradient(#123b4326 10%,#16464a1a 35%,#123c43ee 58%,#123c43 100%)}.hero-content{width:100%;margin:0;padding:0 28px;position:absolute;bottom:74px}.hero-kicker{letter-spacing:.17em;font-size:10px}.hero h1{letter-spacing:.08em;margin:16px 0;font-size:52px}.hero-promise{font-size:27px;line-height:1.55}.hero-promise br{display:none}.hero-promise span{display:block}.hero-description{margin-top:13px;font-size:11px;line-height:1.9}.hero-actions{align-items:center;gap:20px;margin-top:22px}.hero-actions .button{gap:18px;min-height:46px;padding:12px 16px;font-size:12px}.hero-secondary{font-size:10px}.hero-secondary span{margin-left:4px}.hero-bottom{letter-spacing:.12em;font-size:8px;bottom:24px;left:28px;right:28px}.hero-bottom span span{margin-left:5px}.intro-section{padding-top:48px}.section-label{gap:12px;margin-bottom:28px;font-size:9px}.section-label:after{margin-left:0}.intro-grid,.problem-grid,.evidence-section{grid-template-columns:1fr;gap:28px}h2{font-size:32px}.intro-copy .lead{font-size:16px}.intro-copy p{font-size:13px}.story-ribbon{flex-wrap:wrap;justify-content:center;gap:9px 14px;margin-top:36px;padding-top:23px;font-size:14px}.story-ribbon i:last-of-type,.story-ribbon span:last-child{display:none}.problem-section{margin-top:15px;padding-block:45px}.problem-sticky{position:static}.problem-sticky>p br{display:none}.problem-sticky>p{font-size:12px}.game-preview{margin-top:23px}.game-preview figcaption{font-size:9px}.process-steps li:first-child{border-top:1px solid #c5ccbd;padding-top:24px}.process-steps li{padding-block:24px 30px}.process-steps h3{font-size:24px}.volumes-section{padding-block:50px}.section-heading{margin-bottom:30px;display:block}.section-heading>div{margin-top:22px}.bookshelf{gap:18px 13px}.volume-book{min-height:195px;padding:14px 11px 13px 17px;box-shadow:3px 5px #ddd8ca}.book-top{font-size:8px}.book-top>span{display:none}.book-symbol{margin-block:9px 0;font-size:62px}.volume-book h3{letter-spacing:.04em;font-size:16px}.book-bottom{gap:3px;padding-top:13px;font-size:8px}.growth-path{gap:8px;margin-top:24px;font-size:10px}.growth-path i{font-size:9px}.evidence-section{gap:40px;padding-block:15px 65px}.evidence-paper{margin:0 10px;padding:25px 29px}.paper-question{font-size:23px}.paper-line{grid-template-columns:50px 1fr;gap:12px;font-size:12px;display:grid}.paper-line>span{margin:0}.evidence-copy .eyebrow{font-size:11px}.evidence-copy h2{font-size:31px}.closing-cta{margin-bottom:50px;padding:40px 15px}.closing-cta h2{font-size:32px}.closing-cta .text-link{gap:10px;margin-left:17px;font-size:11px}.closing-cta .button{gap:20px;padding:12px 17px;font-size:13px}.closing-mark{font-size:180px;top:20px;right:-15%}.site-footer{padding:40px 25px 20px}.footer-top{gap:25px;padding-bottom:30px}.footer-top>p{font-size:16px}.footer-top nav{gap:24px;font-size:11px}.footer-bottom{line-height:2.3;display:block}.footer-bottom>a{margin-top:8px;display:block}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}.volume-book:hover,.button:hover{transform:none}}
