@charset "UTF-8";
:root{color-scheme:light;--bg:#f6f6f2;--surface:#fff;--surface-2:#eaf0e7;--text:#202c24;--muted:#7a887e;--accent:#42634b;--accent-ink:#fff;--line:#dce3d8;--art-top:#dde8d5;--art-face:#b6c7b0;--art-dark:#f1f4ed;--art-side:#a4b8a0;--art-edge:#82997a;--art-line:#b5c6aa;--art-text:#50664f;--radius:20px;--font:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased;transition:background .25s,color .25s}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}button,a,input{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button:disabled{opacity:.5;cursor:not-allowed}button{color:inherit}img,svg{max-width:100%}.wrap{width:min(1220px,calc(100% - 96px));margin-inline:auto}.skip-link{position:fixed;top:-100px;left:18px;background:var(--accent);color:var(--accent-ink);padding:12px 18px;z-index:30}.skip-link:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}
.ambient{position:absolute;inset:0 0 auto;height:1000px;background:radial-gradient(ellipse at 78% 25%,#60764015,transparent 52%);pointer-events:none;z-index:-1}.site-header{height:89px;border-bottom:1px solid var(--line);position:relative;z-index:10}.nav-shell{display:flex;height:100%;align-items:center;gap:35px}.site-brand{display:flex;align-items:center;gap:11px;flex-shrink:0;letter-spacing:.5px;font-weight:650;font-size:17px;line-height:1.4}.site-brand img{border-radius:10px}.brand-sub{display:block;font-size:9px;letter-spacing:1.1px;font-weight:400;color:var(--muted);margin-top:5px}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:27px;margin-left:auto;font-size:12px;color:var(--muted)}.desktop-nav a:hover{color:var(--text)}.nav-actions{display:flex;align-items:center;gap:18px}.search-trigger{border:0;background:none;display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted);padding:8px 0}.search-trigger svg{height:15px;width:15px;stroke:currentColor;stroke-width:1.5;fill:none}.search-trigger kbd{font:9px var(--mono);border:1px solid var(--line);padding:1px 4px;border-radius:4px}.nav-tool{border:1px solid var(--line);border-radius:7px;padding:9px 13px;font-size:11px;white-space:nowrap}.nav-tool span{margin-left:9px;color:var(--accent)}.nav-tool:hover{background:var(--surface-2)}.menu-trigger{display:none;border:1px solid var(--line);background:var(--surface);border-radius:6px;width:34px;height:34px;padding:8px}.menu-trigger span{height:1px;display:block;background:var(--text);margin:5px 0}.mobile-nav{position:absolute;top:100%;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--line);padding:18px 24px;box-shadow:0 15px 30px #0002}.mobile-nav a{display:block;padding:10px 0;font-size:14px}
.hero{padding-top:68px}.hero-grid{display:grid;grid-template-columns:1.16fr 1fr;gap:10px;align-items:center;min-height:530px}.hero-copy{position:relative;z-index:1;padding:10px 0 35px}.hero-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--muted);font-size:10px;letter-spacing:.6px}.status-dot{height:5px;width:5px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px #d9b98138}.kicker-index{font:9px var(--mono);color:#60766a;border-left:1px solid var(--line);margin-left:7px;padding-left:12px}.hero-series{color:var(--muted);font-size:11px;margin:32px 0 13px;letter-spacing:3px}.hero h1{font-size:clamp(38px,4.5vw,65px);font-weight:620;line-height:1.34;letter-spacing:-2.7px;margin:0;white-space:nowrap}.accent-text{color:var(--accent)}.hero-description{font-size:13px;line-height:2.15;color:var(--muted);margin:22px 0 26px;max-width:500px}.hero-actions{display:flex;gap:15px;align-items:center}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;border-radius:8px;padding:13px 20px;font-size:12px;min-height:46px;line-height:1.5;transition:transform .15s,background .15s}.button-primary{background:var(--accent);color:var(--accent-ink);border:1px solid var(--accent);font-weight:600}.button-primary:hover{transform:translateY(-2px);filter:brightness(1.06)}.button-primary span{font-size:18px;font-weight:400;line-height:1}.button-quiet{border:1px solid var(--line);color:var(--muted);background:transparent}.button-quiet:hover{color:var(--text);background:var(--surface)}.button-quiet span{font-size:15px}.hero-principle{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:10px;margin-top:36px}.hero-principle p{margin:0}.hero-principle strong{font-weight:400;color:#a7b3a8}.small-cross{color:var(--accent);font-size:17px}.hero-art{position:relative;min-width:0;padding:5px 0 18px;isolation:isolate}.art-topline{font:9px var(--mono);letter-spacing:1.2px;color:var(--muted);display:flex;align-items:center;justify-content:space-between;padding:0 35px;margin-top:10px}.art-topline>span:first-child{display:flex;align-items:center;gap:7px}.art-topline i{height:4px;width:4px;border:1px solid var(--accent);display:block;transform:rotate(45deg)}.ascent-art{display:block;width:100%;height:auto;margin:-8px 0 -34px}.terrain{opacity:.6}.art-caption{display:flex;justify-content:space-between;gap:10px;margin:0 32px;color:var(--muted);font-size:9px;letter-spacing:1px;border-top:1px solid var(--line);padding-top:15px}.art-coordinates{font:8px var(--mono);letter-spacing:1px}.art-orbit{position:absolute;inset:7% 7% 5%;border:1px solid var(--line);border-radius:50%;opacity:.2;z-index:-1;transform:rotate(-32deg) scaleY(.53)}.hero-foot{display:flex;justify-content:space-between;align-items:center;gap:15px;border-top:1px solid var(--line);margin-top:26px;padding:21px 0 25px;font-size:10px;color:var(--muted)}.hero-foot a{display:flex;align-items:center;gap:18px}.hero-foot a:hover{color:var(--accent)}.hero-foot-code{font:8px var(--mono);letter-spacing:1.3px}
.section-eyebrow{font:9px var(--mono);letter-spacing:1.6px;color:var(--muted);margin:0 0 19px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:35px}.section-heading h2,.about-grid h2{font-size:clamp(27px,2.75vw,38px);font-weight:520;line-height:1.52;letter-spacing:-1.2px;margin:0}.section-heading h2 span,.about-grid h2 span{color:var(--muted)}.section-description{font-size:11px;color:var(--muted);line-height:2.1;margin:0 0 5px;max-width:350px}.method-section{padding:74px 0 78px}.method-track{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface)}.method-track article{padding:28px 25px;position:relative;min-height:222px}.method-track article+article{border-left:1px solid var(--line)}.method-number{display:flex;align-items:center;justify-content:space-between;font:12px var(--mono);color:var(--accent);margin-bottom:26px}.method-number>span{color:var(--muted);font-size:16px}.method-track h3{font-size:16px;font-weight:550;margin:0 0 10px}.method-track p{font-size:11px;line-height:1.9;color:var(--muted);margin:0;max-width:210px}.method-track small{display:block;font:8px var(--mono);letter-spacing:1.5px;color:var(--muted);opacity:.55;margin-top:22px}
.library-section{padding:8px 0 83px}.library-section .section-heading{margin-bottom:29px}.library-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:22px}.topic-filters{display:flex;gap:7px}.topic-filters button{background:none;border:1px solid transparent;border-radius:5px;padding:7px 12px;font-size:10px;color:var(--muted);min-height:33px}.topic-filters button.active{color:var(--text);background:var(--surface-2);border-color:var(--line)}.topic-filters button:hover{color:var(--text)}.library-count{font-size:9px;color:var(--muted);white-space:nowrap}.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.topic-card{position:relative;display:flex;flex-direction:column;text-align:left;min-height:207px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:22px;overflow:hidden;color:var(--text);transition:border .2s,transform .2s;isolation:isolate}.topic-card:hover{border-color:var(--accent);transform:translateY(-3px)}.topic-card:first-child{grid-column:span 2;grid-row:span 2;padding:35px;min-height:420px}.topic-meta{display:flex;justify-content:space-between;gap:10px;align-items:center;font-size:9px;color:var(--muted)}.topic-number{font:9px var(--mono);color:var(--muted);opacity:.65}.topic-icon{font-size:23px;line-height:1;font-weight:300;color:var(--accent);margin:25px 0 15px}.topic-title{font-size:17px;font-weight:550;line-height:1.5;letter-spacing:-.4px}.topic-summary{font-size:10px;line-height:1.9;color:var(--muted);margin-top:10px;max-width:370px}.topic-open{font-size:9px;color:var(--muted);display:flex;gap:8px;margin-top:auto;padding-top:22px}.topic-open span{color:var(--accent)}.topic-card:first-child .topic-icon{font-size:38px;margin:38px 0 19px}.topic-card:first-child .topic-title{font-size:30px;max-width:360px;line-height:1.5}.topic-card:first-child .topic-summary{font-size:12px;max-width:330px;margin-top:17px}.topic-card:first-child .topic-open{padding-top:33px}.topic-card:first-child::after{content:"";position:absolute;width:300px;height:300px;right:-92px;bottom:-97px;border-radius:50%;border:1px solid var(--art-line);box-shadow:0 0 0 30px var(--surface),0 0 0 31px var(--art-line),0 0 0 63px var(--surface),0 0 0 64px var(--art-line);z-index:-1;opacity:.55}.library-note{display:flex;align-items:flex-start;gap:9px;color:var(--muted);font-size:9px;line-height:1.8;margin-top:17px}.library-note>span{color:var(--accent);font-size:14px}.library-note p{margin:2px 0}.empty-topics{grid-column:1/-1;padding:35px;font-size:12px;color:var(--muted);border:1px dashed var(--line);border-radius:var(--radius)}
.tool-section{padding:10px 0 92px}.tool-feature{display:grid;grid-template-columns:1.12fr 1fr;gap:40px;align-items:center;border:1px solid var(--line);border-radius:var(--radius);padding:41px 48px;background:linear-gradient(115deg,var(--surface),var(--surface-2));overflow:hidden}.tool-chip{display:inline-flex;align-items:center;gap:7px;font-size:9px;color:var(--muted)}.tool-chip i{height:4px;width:4px;background:var(--accent);border-radius:50%}.tool-feature h3{font-size:28px;font-weight:550;letter-spacing:-.7px;margin:20px 0 15px}.tool-feature-copy>p{font-size:12px;color:var(--muted);line-height:2;margin:0}.tool-tags{display:flex;gap:7px;flex-wrap:wrap;margin:18px 0 28px}.tool-tags span{font-size:9px;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:4px 7px}.tool-example{border:1px solid var(--line);background:var(--bg);padding:25px 30px;border-radius:12px;position:relative;box-shadow:0 10px 30px #0001;transform:rotate(-2deg);max-width:410px;justify-self:end;width:100%}.example-top{display:flex;align-items:center;justify-content:space-between;gap:12px;font:8px var(--mono);letter-spacing:1px;color:var(--muted)}.example-top span+span{font:9px var(--font);letter-spacing:0}.example-result{font-size:73px;line-height:1.3;font-weight:500;color:var(--accent);letter-spacing:-4px;margin-top:14px;font-variant-numeric:tabular-nums}.example-result>span{font-size:47px}.example-result small{font:10px var(--mono);letter-spacing:1px;color:var(--muted);margin-left:13px}.example-values{display:flex;gap:37px;border-top:1px solid var(--line);padding-top:15px;margin-top:7px;color:var(--muted);font-size:9px}.example-values strong{font:13px var(--mono);color:var(--text);font-weight:400;margin-left:9px}.example-chart{display:block;width:100%;margin-top:23px;overflow:visible}.tool-example>p{font-size:8px;color:var(--muted);margin:16px 0 0;text-align:center}
.about-section{padding:63px 0 39px;border-top:1px solid var(--line)}.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:start}.about-grid>div>p{font-size:12px;color:var(--muted);line-height:2.2;margin:0 0 19px}.text-link{display:inline-flex;gap:28px;font-size:11px;color:var(--accent);margin-top:5px}.about-signature{display:flex;align-items:center;gap:18px;margin-top:52px;font-size:10px;color:var(--muted)}.signature-line{height:1px;width:44px;background:var(--accent);opacity:.5}.signature-star{margin-left:auto;font-size:37px;color:var(--accent);line-height:1}.site-footer{border-top:1px solid var(--line);padding:34px 0 98px;display:grid;grid-template-columns:1fr auto;gap:38px;align-items:center}.footer-brand{font-size:16px;font-weight:600;letter-spacing:.7px}.footer-brand span{display:block;font-size:10px;font-weight:400;color:var(--muted);letter-spacing:1px;margin-top:6px}.site-footer>div>p{font-size:9px;color:var(--muted);margin:14px 0 0}.site-footer nav{display:flex;gap:23px;font-size:10px;color:var(--muted)}.site-footer nav button{background:none;border:0;color:var(--muted);padding:0;font-size:10px}.site-footer nav a:hover,.site-footer nav button:hover{color:var(--accent)}.footer-bottom{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:21px;color:var(--muted);font:8px var(--mono);letter-spacing:.7px}.footer-bottom span+span{font:9px var(--font);letter-spacing:0}

.site-dialog{width:min(540px,calc(100vw - 36px));border:1px solid var(--line);border-radius:15px;padding:24px;background:var(--surface);color:var(--text);box-shadow:0 30px 120px #0007;max-height:calc(100dvh - 60px);overflow:auto}.site-dialog::backdrop{background:#020805bb;backdrop-filter:blur(9px)}.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}.dialog-top h2{font-size:15px;font-weight:550;margin:0}.dialog-top button{background:none;border:0;color:var(--muted);font-size:25px;width:30px;height:30px;line-height:1}.site-dialog input{width:100%;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--text);padding:13px 14px;font-size:15px}.site-dialog input::placeholder{color:var(--muted)}.search-results{display:grid;gap:5px;margin-top:16px}.search-result{padding:11px 12px;border:1px solid transparent;border-radius:7px;display:flex;justify-content:space-between;align-items:center;text-align:left;width:100%;background:none;color:var(--text);font-size:12px;gap:15px}.search-result:hover{border-color:var(--line);background:var(--surface-2)}.search-result small{color:var(--muted);font-size:9px}.search-empty{color:var(--muted);font-size:12px;line-height:1.8;padding:10px}.dialog-note{font-size:9px;color:var(--muted);margin:20px 0 0;line-height:1.8}.research-dialog{padding:29px}.research-dialog .section-eyebrow{margin:0}.research-dialog>h2{font-size:29px;font-weight:550;line-height:1.5;letter-spacing:-.6px;margin:20px 0 14px}.research-dialog>p:not(.dialog-note){color:var(--muted);font-size:12px;line-height:2}.research-dialog>h3{font-size:12px;font-weight:550;margin-top:28px}.research-dialog ol{padding-left:20px;font-size:12px;line-height:2.2;color:var(--muted)}.research-dialog li{padding-left:4px;margin:6px 0}.research-evidence{padding:16px;border:1px solid var(--line);border-radius:8px;background:var(--bg);margin-top:21px}.research-evidence>span{font-size:10px;color:var(--accent)}.research-evidence p{font-size:11px;color:var(--muted);line-height:2;margin:8px 0 0}.research-dialog>.button{margin-top:23px}
/* Final design: light, centered research layout */
html[data-style=editorial]{color-scheme:light;--bg:#f6f6f2;--surface:#fff;--surface-2:#eaf0e7;--text:#202c24;--muted:#7a887e;--accent:#42634b;--accent-ink:#fff;--line:#dce3d8;--art-top:#dde8d5;--art-face:#b6c7b0;--art-dark:#f1f4ed;--art-side:#a4b8a0;--art-edge:#82997a;--art-line:#b5c6aa;--art-text:#50664f;--radius:20px}
html[data-style=editorial] .ambient{background:radial-gradient(ellipse at 50% 50%,#b9d5aa24,transparent 60%)}html[data-style=editorial] .hero{padding-top:63px}html[data-style=editorial] .hero-grid{grid-template-columns:1fr;gap:0}html[data-style=editorial] .hero-copy{text-align:center;padding-bottom:0}html[data-style=editorial] .hero-description{margin-inline:auto}html[data-style=editorial] .hero-actions,html[data-style=editorial] .hero-principle{justify-content:center}html[data-style=editorial] .hero-series{margin-top:24px}html[data-style=editorial] .hero h1{font-size:66px;font-weight:580}html[data-style=editorial] .hero-principle{margin-top:25px}html[data-style=editorial] .hero-art{width:500px;margin:14px auto 0}html[data-style=editorial] .ascent-art{margin-top:-12px;margin-bottom:-15px;max-height:345px}html[data-style=editorial] .art-topline{display:none}html[data-style=editorial] .art-caption{padding-top:9px;margin-inline:45px}html[data-style=editorial] .art-orbit{opacity:.45}html[data-style=editorial] .hero-foot{margin-top:20px}html[data-style=editorial] .section-heading h2{font-weight:550}html[data-style=editorial] .method-track{border:0;background:transparent;gap:20px;overflow:visible}html[data-style=editorial] .method-track article{border:0;border-top:2px solid var(--line);padding:25px 10px 18px;min-height:210px}html[data-style=editorial] .method-number{margin-bottom:24px}html[data-style=editorial] .topic-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}html[data-style=editorial] .topic-card:first-child{grid-column:auto;grid-row:auto;padding:26px;min-height:270px}html[data-style=editorial] .topic-card{padding:26px;min-height:270px;box-shadow:0 3px 16px #163e1810}html[data-style=editorial] .topic-card:first-child .topic-icon{font-size:23px;margin:25px 0 15px}html[data-style=editorial] .topic-card:first-child .topic-title{font-size:17px}html[data-style=editorial] .topic-card:first-child .topic-summary{font-size:10px;margin-top:10px}html[data-style=editorial] .topic-card:first-child .topic-open{padding-top:22px}html[data-style=editorial] .topic-card:first-child::after{display:none}html[data-style=editorial] .tool-example{transform:rotate(2deg)}html[data-style=editorial] .hero-principle strong{color:#596b5a}



@media(min-width:1450px){.hero{padding-top:84px}.hero-grid{min-height:560px}.hero h1{font-size:66px}.hero-art{padding-left:8px}.ascent-art{margin-top:-12px}.hero-foot{margin-top:35px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.nav-shell{gap:23px}.desktop-nav{gap:18px}.nav-actions{gap:13px}.search-trigger>span,.search-trigger kbd{display:none}.hero h1{font-size:48px;letter-spacing:-2px}.hero-grid{grid-template-columns:1.2fr 1fr;min-height:480px}.hero-copy{padding-bottom:24px}.hero-description{font-size:12px}.art-topline{padding-inline:20px}.art-caption{margin-inline:20px}.hero-foot-code{font-size:7px}.topic-card{padding:18px}.topic-card:first-child{padding:28px}.topic-title{font-size:15px}.topic-card:first-child .topic-title{font-size:26px}.method-track article{padding:24px 19px}.tool-feature{padding:32px;gap:32px}.tool-feature h3{font-size:25px}.tool-example{padding:23px}.about-grid{gap:45px}}
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/* Five equally weighted lanes, with one quietly distinct progression card. */
#topicGrid .topic-card{grid-column:auto;grid-row:auto;min-height:270px;padding:26px}
#topicGrid .topic-title{font-size:24px;line-height:1.5;font-weight:550;max-width:none;letter-spacing:-.5px}
#topicGrid .topic-icon{font-size:24px;margin:25px 0 17px}
#topicGrid .topic-icon svg{display:block;width:32px;height:32px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
#topicGrid .topic-summary{font-size:12px;line-height:1.9;margin-top:10px}
#topicGrid .topic-open{font-size:10px;padding-top:22px}
#topicGrid .topic-card-ascent{background:linear-gradient(135deg,#edf3e8,#e2ecd9);border-color:#b2c4a6;box-shadow:none}
#topicGrid .topic-card-ascent .topic-meta,#topicGrid .topic-card-ascent .topic-summary,#topicGrid .topic-card-ascent .topic-open{color:#63765b}
#topicGrid .topic-card-ascent .topic-title,#topicGrid .topic-card-ascent .topic-icon{color:#3d5934}
#topicGrid .topic-card-ascent::after{content:"";position:absolute;display:block;width:150px;height:130px;right:-1px;bottom:-1px;border:0;border-radius:0;box-shadow:none;opacity:1;background:#7d9b6412;clip-path:polygon(0 100%,0 75%,25% 75%,25% 50%,50% 50%,50% 25%,75% 25%,75% 0,100% 0,100% 100%);z-index:-1}
#topicGrid .topic-card-ascent:hover{border-color:#6e8b60}
@media(max-width:820px){#topicGrid .topic-card{min-height:246px;padding:21px 19px}#topicGrid .topic-title{font-size:22px}#topicGrid .topic-icon{margin:22px 0 15px}#topicGrid .topic-summary{font-size:11px}#topicGrid .topic-meta{flex-wrap:wrap;gap:5px}#topicGrid .topic-open{font-size:9px;padding-top:20px}#topicGrid .topic-card-ascent::after{width:115px;height:110px}}
@media(max-width:360px){#topicGrid .topic-card{min-height:242px;padding:23px}#topicGrid .topic-title{font-size:24px}#topicGrid .topic-meta{flex-wrap:nowrap}}