:root{--ink:#172b22;--text:#34473d;--muted:#58685f;--paper:#f5f5f7;--white:#fff;--line:#dce3de;--soft:#e7f2eb;--radius:18px;--accent:#176b49;--note:#dceee2;--accent-subtle:#8dc6a3;color:var(--text);background:var(--paper);font-synthesis:none;scroll-behavior:smooth;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}button,a{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline-offset:4px;outline:3px solid #176b49}img{max-width:100%;height:auto}svg{flex-shrink:0}[hidden]{display:none!important}::selection{color:#172b22;background:#dceee2}.shell{max-width:1224px;margin:0 auto;padding:0 48px}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.skip-link{background:var(--ink);color:#fff;z-index:100;padding:16px;position:fixed;top:-100px;left:16px}.skip-link:focus{top:12px}.site-header{border-bottom:1px solid var(--line)}.header-inner{justify-content:space-between;align-items:center;height:94px;display:flex}.brand{letter-spacing:-1.2px;align-items:center;gap:11px;font-size:27px;font-weight:740;display:flex}.brand-light{font-weight:450}.brand-mark{background:var(--ink);color:#f5f5f7;border-radius:11px;place-content:center;width:36px;height:40px;font-family:Georgia,serif;font-size:31px;font-style:italic;font-weight:400;line-height:1;display:grid;position:relative}.brand-mark span{color:#dceee2;position:absolute;top:2px;right:5px}.site-header nav{align-items:center;gap:34px;font-size:13px;font-weight:600;display:flex}.site-header nav>a{padding:12px 0;position:relative}.site-header nav>a.active:after{content:"";background:var(--ink);border-radius:2px;width:16px;height:3px;position:absolute;bottom:2px;left:0}.nav-search{margin-left:3px;display:flex}.hero{grid-template-columns:1.25fr 1fr;align-items:center;gap:38px;min-height:470px;padding-top:64px;padding-bottom:66px;display:grid}.eyebrow{letter-spacing:1.8px;align-items:center;gap:9px;font-size:10px;font-weight:750;line-height:1.6;display:flex}.status-dot{background:#176b49;border-radius:50%;flex-shrink:0;width:6px;height:6px;display:inline-block}.hero h1,.about-page h1,.not-found h1{letter-spacing:-3px;margin:25px 0 22px;font-size:clamp(42px,4.8vw,65px);font-weight:500;line-height:1.06}.hero em,.about-page h1 em,.not-found h1 em{color:#176b49;letter-spacing:-2px;font-family:Georgia,Times New Roman,serif;font-weight:400}.hero-copy>p{color:var(--muted);margin:0 0 30px;font-size:14px;line-height:1.85}.text-link{border-bottom:1px solid #b4cdbd;align-items:center;gap:20px;padding-bottom:7px;font-size:12px;font-weight:650;display:inline-flex}.text-link:hover{color:#176b49}.hero-art{isolation:isolate;justify-content:center;align-items:center;height:324px;display:flex;position:relative}.note-code{color:#ecf4e3;background:#172b22;border:1px solid #365b47;border-radius:13px;width:342px;overflow:hidden;transform:rotate(-4deg);box-shadow:0 16px 25px -15px #294b3b55}.window-dots{border-bottom:1px solid #9dc4ad33;align-items:center;gap:5px;padding:14px;display:flex}.window-dots i{background:#8dc6a3;border-radius:50%;width:5px;height:5px}.window-dots>span{letter-spacing:.4px;color:#c6ddcf;margin-left:23px;font-size:8px}.code-lines{white-space:pre;flex-direction:column;gap:9px;padding:23px 20px;font-family:Consolas,Courier New,monospace;font-size:10px;display:flex}.code-lines b{color:#c3c9eb;font-weight:400}.code-lines i{color:#e0b5a7;font-style:normal}.code-comment{color:#c1d7c8;margin-bottom:5px}.code-status{color:#c6ddcf;border-top:1px solid #9dc4ad33;align-items:center;gap:7px;padding:10px 18px;font-size:8px;display:flex}.code-status>span{background:#dceee2;border-radius:50%;width:4px;height:4px}.topic-ribbon{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#e7f2eb}.topic-ribbon>.shell{justify-content:space-between;align-items:center;gap:20px;min-height:62px;font-size:11px;font-weight:550;display:flex}.topic-ribbon span:first-child{letter-spacing:1.5px;color:#58685f;font-size:8px}.topic-ribbon i{color:#648d73;font-size:16px;font-style:normal}.notebook{padding-top:66px;padding-bottom:32px;scroll-margin-top:20px}.section-heading{justify-content:space-between;align-items:flex-end;margin-bottom:30px;display:flex}h2{letter-spacing:-1.1px;margin:10px 0 0;font-size:30px;font-weight:500;line-height:1.2}.article-count{color:var(--muted);padding-bottom:4px;font-size:11px}.article-count>span{margin-left:20px;font-size:20px}.featured-note{border:1px solid var(--line);background:#fff;border-radius:15px;grid-template-columns:36% 1fr;margin-bottom:35px;transition:border-color .2s,transform .2s;display:grid;overflow:hidden}.featured-note:hover{border-color:#8eb59d;transform:translateY(-2px)}.feature-visual{background:#e7f2eb;justify-content:center;align-items:center;min-height:252px;display:flex;position:relative;overflow:hidden}.feature-symbol{color:#176b49;z-index:1;letter-spacing:5px;font-size:74px;font-weight:250;position:relative;transform:rotate(-8deg)}.feature-grid{background-image:linear-gradient(#8eb59d33 1px,#0000 1px),linear-gradient(90deg,#8eb59d33 1px,#0000 1px);background-size:33px 33px;position:absolute;inset:0;transform:rotate(-8deg)scale(1.3);mask-image:radial-gradient(#000,#0000 75%)}.feature-caption{letter-spacing:2px;color:#176b49;font-size:8px;position:absolute;bottom:23px;left:28px}.feature-content>.eyebrow{color:#176b49;letter-spacing:1.5px;font-size:8px}.feature-content h3{letter-spacing:-.7px;max-width:470px;margin:15px 0 11px;font-size:25px;font-weight:550;line-height:1.25}.feature-content p{color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:12px;line-height:1.75;display:-webkit-box;overflow:hidden}.feature-meta{color:var(--muted);justify-content:space-between;align-items:center;margin-top:14px;font-size:10px;display:flex}.round-arrow{background:var(--soft);width:33px;height:33px;color:var(--ink);border-radius:50%;place-items:center;font-size:20px;display:grid}.meta-dot{color:#7f9887;margin:0 7px}.library-toolbar{justify-content:space-between;align-items:center;gap:20px;margin-bottom:23px;display:flex}.filters{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.filters button{color:#58685f;white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:6px;padding:9px 12px;font-size:10px;font-weight:600}.filters button[aria-pressed=true]{background:var(--ink);color:#fff}.filters button span{background:#fff2;border-radius:4px;margin-left:5px;padding:2px 5px;font-size:8px}.search-box{border:1px solid var(--line);color:#58685f;background:#fff;border-radius:7px;align-items:center;gap:9px;min-width:225px;padding:9px 10px;display:flex;position:relative}.search-box input{width:100%;color:var(--text);background:0 0;border:0;outline:none;min-width:0;font-size:10px}.search-box:focus-within{outline-offset:2px;outline:2px solid #176b49}.search-box input:focus-visible{outline:none}.search-box kbd{border:1px solid var(--line);border-radius:2px;padding:0 4px;font-size:10px}.article-grid{grid-template-columns:1fr 1fr;gap:18px;display:grid}.article-card{border:1px solid var(--line);background:#fff;border-radius:12px;flex-direction:column;min-height:238px;padding:24px 26px;transition:transform .18s,border-color .18s,box-shadow .18s;display:flex;position:relative}.card-top{justify-content:space-between;align-items:center;display:flex}.topic{letter-spacing:.3px;color:#236746;align-items:center;gap:6px;font-size:9px;font-weight:650;display:inline-flex}.topic-dot{background:currentColor;border-radius:50%;width:4px;height:4px}.article-number{color:#58685f;font-family:Consolas,monospace;font-size:9px}.article-card .card-title{letter-spacing:-.35px;margin:15px 24px 10px 0;font-size:19px;font-weight:550;line-height:1.35}.article-card .card-title a:after{content:"";border-radius:12px;position:absolute;inset:0}.article-card p{color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0 0 20px;font-size:11px;line-height:1.8;display:-webkit-box;overflow:hidden}.card-bottom{color:#58685f;align-items:center;margin-top:auto;font-size:9px;display:flex}.empty-state{text-align:center;border:1px dashed var(--line);border-radius:12px;padding:50px}.empty-state p{color:var(--muted)}.button{border:1px solid var(--ink);background:var(--ink);color:#fff;border-radius:7px;justify-content:center;align-items:center;gap:10px;padding:12px 18px;font-size:13px;font-weight:600;display:inline-flex}.button:hover{background:#125b3d}.notebook-end{border-bottom:1px solid var(--line);color:#58685f;justify-content:space-between;align-items:center;padding:27px 0;font-size:10px;display:flex}.notebook-end>span:last-child{font-size:21px}.about-strip{align-items:center;gap:27px;padding-top:33px;padding-bottom:67px;display:flex}.author-avatar{background:#e7f2eb;border-radius:50%;flex-shrink:0;place-items:center;width:74px;height:74px;font-family:Georgia,serif;font-size:30px;font-style:italic;display:grid;position:relative}.author-avatar>span{border:4px solid var(--paper);background:var(--ink);color:#f5f5f7;border-radius:50%;place-items:center;width:28px;height:28px;font-family:Arial,sans-serif;font-size:13px;font-style:normal;display:grid;position:absolute;bottom:1px;right:-3px}.about-strip h2{margin-top:7px;font-size:23px}.about-strip p{color:var(--muted);max-width:570px;margin:10px 0 0;font-size:11px;line-height:1.8}.about-strip>.text-link{white-space:nowrap;margin-left:auto}.site-footer{border-top:1px solid var(--line);background:#edf1ee}.footer-inner{justify-content:space-between;align-items:center;padding-top:35px;padding-bottom:28px;display:flex}.footer-title{letter-spacing:-.6px;font-family:Georgia,serif;font-size:21px}.footer-inner p{color:#58685f;margin-top:7px;font-size:10px}.footer-links{gap:26px;font-size:10px;display:flex}.footer-links a:hover{text-decoration:underline}.footer-bottom{color:#58685f;border-top:1px solid #dce3de;justify-content:space-between;align-items:center;padding-top:18px;padding-bottom:21px;font-size:8px;display:flex}.article-shell{padding-top:38px}.back-link{color:#58685f;margin-bottom:45px;font-size:11px;display:inline-block}.back-link:hover{text-decoration:underline}.article-header{max-width:870px;margin-bottom:44px}.article-header h1{letter-spacing:-1.8px;margin:19px 0 25px;font-size:clamp(34px,4.3vw,54px);font-weight:550;line-height:1.1}.article-byline{color:#58685f;flex-wrap:wrap;align-items:center;gap:9px;font-size:11px;display:flex}.article-byline .meta-dot{margin:0 2px}.mini-avatar{width:29px;height:29px;color:var(--ink);background:#e7f2eb;border-radius:50%;place-items:center;font:italic 15px Georgia,serif;display:grid}.article-layout{border-top:1px solid var(--line);grid-template-columns:200px minmax(0,1fr);gap:55px;padding-top:40px;display:grid}.article-aside{align-self:start;position:sticky;top:24px}.article-aside>.eyebrow{font-size:9px}.article-aside nav{flex-direction:column;gap:13px;margin:20px 0;font-size:11px;line-height:1.55;display:flex}.article-aside nav a:hover{text-decoration:underline}.aside-note{border-top:1px solid var(--line);margin:30px 0;padding:20px 0}.aside-note>span{color:#176b49;font-size:25px}.aside-note p{font-size:11px;font-weight:600}.aside-note small{color:var(--muted);font-size:10px;line-height:1.8;display:block}.article-aside>.text-link{font-size:10px}.prose{overflow-wrap:anywhere;min-width:0;font-size:15px;line-height:1.9}.prose>p:first-child{margin-top:0}.prose p{margin:0 0 23px}.prose h2{margin:40px 0 19px;scroll-margin-top:24px;font-size:28px;line-height:1.3}.prose h3{margin:30px 0 14px;scroll-margin-top:24px;font-size:21px}.prose a{color:#176b49;text-underline-offset:3px;text-decoration:underline}.prose figure{margin:26px 0}.prose img{border:1px solid var(--line);border-radius:8px;display:block}.prose figcaption{color:var(--muted);text-align:center;margin-top:8px;font-size:11px}.prose pre{color:#e3eddb;white-space:pre;tab-size:4;background:#1b332e;border-radius:8px;max-width:100%;padding:20px;font-size:12px;line-height:1.8;overflow:auto}.prose code{background:#e7f2eb;border-radius:3px;padding:2px 5px;font-family:Consolas,SFMono-Regular,monospace;font-size:.86em}.prose pre code{color:inherit;font-size:inherit;background:0 0;padding:0}.prose table{border-collapse:collapse;width:100%;margin:22px 0;font-size:12px}.prose td,.prose th{text-align:left;border:1px solid #dce3de;min-width:100px;padding:10px 14px}.prose tr:nth-child(odd){background:#edf5ef}.prose blockquote{background:#e7f2eb;border-left:3px solid #8eb59d;margin:24px 0;padding:15px 23px}.prose blockquote p:last-child{margin-bottom:0}.prose li{margin-bottom:8px}.article-signoff{border-top:1px solid var(--line);border-bottom:1px solid var(--line);align-items:center;gap:15px;margin:45px 0 0;padding:25px 0;font-size:12px;display:flex}.article-signoff .mini-avatar{width:40px;height:40px;font-size:20px}.article-signoff p{color:var(--muted);margin-bottom:0;font-size:11px}.related{padding:60px 0 70px}.related>.eyebrow{font-size:9px}.related-grid{grid-template-columns:1fr 1fr;gap:22px;margin-top:25px;display:grid}.related-grid>a{border:1px solid var(--line);background:#fff;border-radius:10px;padding:24px}.related-grid>a:hover{border-color:#8eb59d}.related h3{margin:14px 0 0;padding-right:25px;font-size:18px;font-weight:500;line-height:1.45;position:relative}.related h3 span{position:absolute;top:0;right:0}.about-page{padding-top:40px;padding-bottom:90px}.about-page>.back-link{margin-bottom:48px}.about-page h1{margin:22px 0 45px}.about-page-grid{grid-template-columns:minmax(0,1fr) 280px;gap:100px;display:grid}.prose .lead{letter-spacing:-.4px;font-size:22px;line-height:1.6}.signature{font:italic 38px Georgia,serif}.about-note{border:1px solid var(--line);background:#e7f2eb;border-radius:13px;height:fit-content;padding:28px}.about-note>.author-avatar{background:#dceee2;margin-bottom:30px}.about-note h3{font-size:15px}.about-note ul{color:var(--muted);margin-bottom:28px;padding-left:18px;font-size:12px;line-height:1.9}.not-found{min-height:60vh;padding-top:90px;padding-bottom:110px}.not-found>p{max-width:460px;color:var(--muted);margin-bottom:25px;font-size:14px;line-height:1.8}.not-found h1{margin:20px 0 30px}@media (width>=1500px){.shell{max-width:1320px}.hero{min-height:520px}.hero h1{font-size:72px}.hero-art{transform:scale(1.08)}.article-card{min-height:245px}}@media (width<=1000px){.shell{padding-left:30px;padding-right:30px}.hero{grid-template-columns:1.2fr 1fr;gap:20px}.hero h1{font-size:51px}.hero-art{transform-origin:100%;transform:scale(.87)}.library-toolbar{flex-wrap:wrap}.search-box{margin-left:auto}.article-layout{grid-template-columns:150px minmax(0,1fr);gap:30px}.about-page-grid{gap:45px}.about-strip>.text-link{font-size:10px}.feature-content{padding:25px}}@media (width<=760px){.shell{padding-left:22px;padding-right:22px}.header-inner{height:76px}.brand{font-size:24px}.brand-mark{border-radius:9px;width:31px;height:34px;font-size:26px}.site-header nav{gap:18px;font-size:11px}.hero{grid-template-columns:1fr;min-height:auto;padding-top:48px;padding-bottom:44px}.hero-copy{max-width:520px}.hero h1{margin-top:21px;font-size:56px}.hero-copy>p{font-size:13px}.hero-art{transform-origin:50%;width:350px;max-width:100%;height:285px;margin:7px auto 0;transform:scale(.9)}.topic-ribbon>.shell{flex-wrap:wrap;justify-content:center;gap:14px;min-height:65px;padding-top:14px;padding-bottom:14px;font-size:10px}.topic-ribbon span:first-child,.topic-ribbon span:last-child,.topic-ribbon i:nth-last-child(2){display:none}.notebook{padding-top:43px}.section-heading{align-items:center}.section-heading h2{max-width:240px;font-size:25px}.article-count{text-align:right;max-width:85px;font-size:9px;line-height:1.8}.article-count>span{display:none}.eyebrow{font-size:9px}.featured-note{grid-template-columns:1fr}.feature-visual{min-height:172px}.feature-symbol{font-size:65px}.feature-caption{font-size:7px;bottom:18px}.feature-content{padding:25px}.feature-content h3{font-size:24px}.feature-content p{font-size:12px}.feature-meta{margin-top:18px}.library-toolbar{gap:18px;margin-bottom:22px}.filters{justify-content:space-between;gap:3px;width:100%}.filters button{padding:9px 10px;font-size:9px}.search-box{width:100%;margin:0;padding:12px}.search-box input{font-size:12px}.search-box kbd{display:none}.article-grid{grid-template-columns:1fr;gap:14px}.article-card{min-height:223px;padding:24px}.article-card .card-title{font-size:21px}.article-card p{font-size:12px}.topic,.card-bottom{font-size:10px}.notebook-end{gap:20px;font-size:9px;line-height:1.6}.about-strip{flex-wrap:wrap;gap:18px;padding-top:20px;padding-bottom:45px}.author-avatar{width:58px;height:58px;font-size:26px}.about-strip>div:nth-child(2){width:calc(100% - 80px)}.about-strip h2{font-size:21px}.about-strip p{font-size:11px}.about-strip>.text-link{margin-left:76px}.footer-inner{align-items:flex-start;gap:20px}.footer-links{flex-direction:column;gap:15px;font-size:9px}.footer-title{font-size:20px}.footer-inner p{max-width:180px;line-height:1.7}.footer-bottom{align-items:flex-start;gap:20px;font-size:8px;line-height:1.8}.footer-bottom>span:last-child{text-align:right;max-width:165px}.article-shell{padding-top:26px}.back-link{margin-bottom:32px}.article-header h1{letter-spacing:-1.2px;font-size:37px}.article-header{margin-bottom:29px}.article-byline{gap:6px;font-size:10px}.article-layout{padding-top:26px;display:block}.article-aside{display:none}.prose{font-size:14px;line-height:1.9}.prose pre{padding:17px;font-size:11px}.prose h2{font-size:26px}.related{padding:45px 0}.related-grid{grid-template-columns:1fr;gap:15px}.related-grid>a{padding:20px}.about-page{padding-top:28px;padding-bottom:50px}.about-page h1{font-size:51px}.about-page-grid{grid-template-columns:1fr;gap:28px}.about-note{margin-top:10px}.not-found{padding-top:65px;padding-bottom:70px}.not-found h1{font-size:48px}.desktop-break{display:none}}@media (prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}:root{--header-height:82px;--muted:#58685f}html{scroll-padding-top:calc(var(--header-height) + 24px)}.site-header{z-index:30;backdrop-filter:blur(14px);background:#ffffffdb;position:sticky;top:0}.header-inner{height:var(--header-height)}.site-header nav{font-size:14px}.site-header .nav-search{border-radius:50%;margin-right:-12px;padding:12px}.site-header .nav-search:hover{background:#e7f2eb}.hero{padding-top:58px;padding-bottom:60px}.hero-copy>.text-link{font-size:14px}.hero h1,.section-heading h2,.feature-content h3,.article-card .card-title,.about-strip h2{text-wrap:balance}.hero-actions{flex-wrap:wrap;align-items:center;gap:18px 25px;display:flex}.hero-actions .button{gap:20px;min-height:48px;padding:13px 19px;box-shadow:0 5px 12px #2e3d4210}.hero-actions .text-link{font-size:13px}.eyebrow{font-size:11px}.text-link{align-items:center;min-height:36px;font-size:13px}.topic-ribbon>.shell{min-height:66px;font-size:13px}.topic-ribbon a{text-underline-offset:5px;padding:18px 0;text-decoration-thickness:1px}.topic-ribbon a:hover{text-decoration:underline}.feature-content>.eyebrow{color:#176b49;font-size:10px}.feature-content h3{margin:17px 0 12px;font-size:28px;line-height:1.25}.feature-content p{-webkit-line-clamp:3;font-size:14px;line-height:1.75}.feature-meta{margin-top:20px;font-size:12px}.feature-caption{color:#176b49;font-size:10px}.round-arrow{width:38px;height:38px;transition:transform .18s,background .18s}.library-toolbar{align-items:center;gap:18px;margin-bottom:17px;scroll-margin-top:0}.filters button{color:#486351;border-radius:8px;min-height:44px;padding:11px 13px;font-size:12px}.filters button span{color:#486351;background:#e7f2eb;margin-left:6px;font-size:10px}.filters button[aria-pressed=true] span{color:#fff;background:#ffffff26}.filters button[aria-pressed=true]{box-shadow:0 2px 4px #2e3d4212}.search-box{flex:0 280px;min-width:220px;min-height:44px;padding:11px 13px}.search-box input{font-size:12px}.search-box input::placeholder{color:#58685f}#search{scroll-margin-top:0}.search-box kbd{color:#58685f;font-size:11px}.library-summary{color:#58685f;justify-content:space-between;align-items:center;gap:16px;margin:0 0 24px;font-size:12px;display:flex}.library-summary>p{overflow-wrap:anywhere;min-width:0;margin:0;line-height:1.6}.library-summary>div{flex-shrink:0;align-items:center;gap:10px;display:flex}.library-summary button{color:#176b49;text-underline-offset:3px;background:0 0;border:0;padding:10px 4px;font-size:12px;text-decoration:underline}.library-summary label{font-size:11px}.library-summary select{color:var(--ink);background:0 0;border:1px solid #dce3de;border-radius:6px;max-width:145px;min-height:38px;padding:8px 22px 8px 10px;font-size:12px}.library-more{flex-wrap:wrap;justify-content:center;align-items:center;gap:16px 25px;padding:32px 0 12px;display:flex}.library-more button{min-height:46px}.library-more a{color:var(--muted);text-underline-offset:4px;padding:10px 0;font-size:12px;text-decoration:underline}.article-card{min-height:259px;padding:27px 28px}.article-card .card-title{letter-spacing:-.5px;margin:16px 0 12px;font-size:22px;line-height:1.35}.article-card p{-webkit-line-clamp:3;margin-bottom:26px;font-size:14px;line-height:1.75}.article-card:focus-within{outline-offset:3px;border-color:#0000;outline:2px solid #176b49}.article-card .card-title a:focus-visible{outline:none}.article-card:hover h3{color:#176b49}.topic{color:#236746;font-size:11px}.topic.ai{color:#176b49}.topic.trading{color:#376647}.article-number,.card-bottom{color:#58685f;font-size:11px}.card-read{color:#176b49;align-items:center;gap:9px;margin-left:auto;font-size:11px;font-weight:600;display:flex}.card-read span{font-size:17px;transition:transform .18s}.article-card:hover .card-read span{transform:translate(2px,-2px)}.notebook-end{color:#58685f;padding:31px 0;font-size:12px}.about-strip{gap:28px;padding-top:40px;padding-bottom:72px}.about-strip .eyebrow{font-size:10px}.about-strip p{font-size:14px;line-height:1.8}.about-strip h2{font-size:26px}.about-strip>.text-link{font-size:13px}.footer-inner{padding-top:40px;padding-bottom:32px}.footer-title{font-size:25px}.footer-inner p,.footer-links{color:#58685f;font-size:12px}.footer-links{gap:23px}.footer-links a{padding:9px 0}.footer-bottom{color:#58685f;padding-top:20px;padding-bottom:23px;font-size:11px}.back-link{min-height:28px;font-size:13px}.about-page .prose,.about-note h3{font-size:17px}.about-note ul{font-size:14px}.about-note .text-link{font-size:13px}.no-script-note{background:#e7f2eb;border-left:3px solid #a8c6b4;padding:10px 15px;font-size:13px}.no-script-note nav{flex-wrap:wrap;gap:8px 20px;display:flex}.no-script-note a{text-underline-offset:3px;padding:6px 0;text-decoration:underline}.topic-page{padding-top:37px;padding-bottom:80px}.topic-page-header{justify-content:space-between;align-items:center;gap:32px;margin-bottom:34px;display:flex}.topic-page-header h1{letter-spacing:-2px;margin:20px 0;font-size:clamp(36px,5vw,60px);font-weight:500;line-height:1.1}.topic-page-header h1 em{color:#176b49;font:italic 1em Georgia,serif}.topic-page-header p{color:var(--muted);max-width:670px;font-size:16px;line-height:1.8}.topic-page-symbol{color:#176b49;background:#dceee2;border:1px solid #d5d2c2;border-radius:50%;flex-shrink:0;place-items:center;width:132px;height:132px;font-size:66px;display:grid}.topic-page-nav{border-top:1px solid var(--line);flex-wrap:wrap;gap:10px;padding-top:24px;display:flex}.topic-page-nav a{border:1px solid var(--line);border-radius:7px;padding:11px 16px;font-size:13px}.topic-page-nav a[aria-current=page]{background:var(--ink);color:#fff;border-color:var(--ink)}.topic-page-nav a:hover{border-color:#176b49}.archive-count{color:var(--muted);margin:25px 0;font-size:13px}.archive-year{border-top:1px solid var(--line);grid-template-columns:135px 1fr;gap:45px;margin-bottom:40px;padding-top:32px;display:grid}.archive-year h2{margin:0;font:42px Georgia,serif}.archive-year h2 span{color:var(--muted);margin-top:13px;font:12px Inter,ui-sans-serif,sans-serif;display:block}.archive-year ol{margin:0;padding:0;list-style:none}.archive-year li{border-bottom:1px solid var(--line)}.archive-year li a{grid-template-columns:94px 1fr 16px;align-items:center;gap:20px;padding:22px 0;display:grid}.archive-year li:first-child a{padding-top:0}.archive-year time{color:var(--muted);font-size:12px}.archive-year strong{font-size:17px;font-weight:500;line-height:1.5;display:block}.archive-year small{text-transform:uppercase;letter-spacing:1px;color:#176b49;margin-bottom:7px;font-size:10px;display:block}.archive-year a:hover strong{color:#176b49;text-underline-offset:3px;text-decoration:underline}@media (width<=1100px){.library-toolbar{flex-wrap:wrap}.search-box{flex-grow:1;margin-left:0}.about-strip{flex-wrap:wrap}.about-strip>div:nth-child(2){flex:1;min-width:260px}.about-strip>.text-link{margin-left:102px}.footer-links{gap:17px}}@media (width<=760px){:root{--header-height:72px}.site-header nav{gap:16px;font-size:12px}.site-header .nav-search{margin-right:-10px;padding:10px}.hero{padding-top:42px;padding-bottom:36px;overflow:clip}.hero h1{font-size:clamp(40px,11.5vw,56px)}.hero-copy>p{font-size:15px}.hero-art{margin-top:17px}.topic-ribbon>.shell{gap:13px;font-size:11px}.topic-ribbon a{padding:9px 0}.eyebrow{font-size:10px}.section-heading h2{font-size:28px}.article-count{font-size:11px}.feature-content{padding:26px}.feature-content h3{font-size:26px}.feature-content p{font-size:14px}.feature-meta{font-size:11px}.feature-visual{min-height:156px}.filters{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;display:grid}.filters button{border:1px solid var(--line);padding:10px 8px;font-size:12px}.search-box{flex-basis:100%;min-height:48px}.search-box input{font-size:16px}.library-summary{flex-wrap:wrap;align-items:flex-start;gap:14px;font-size:11px}.library-summary>div{margin-left:auto}.library-summary label{font-size:11px}.library-summary select{max-width:170px;min-height:44px;font-size:16px}.library-summary button{min-height:44px}.article-card{min-height:252px;padding:25px}.article-card .card-title{font-size:23px}.article-card p{font-size:14px}.card-bottom{font-size:11px}.card-read{gap:6px;font-size:10px}.notebook-end{font-size:11px}.about-strip{gap:20px;padding-top:20px;padding-bottom:48px}.about-strip>div:nth-child(2){min-width:0}.about-strip h2{font-size:24px}.about-strip p{font-size:13px}.about-strip>.text-link{margin-left:78px}.footer-title{font-size:24px}.footer-inner p{font-size:12px}.footer-links{gap:6px;font-size:11px}.footer-links a{align-items:center;min-height:44px;display:inline-flex}.footer-bottom{font-size:10px}.topic-page{padding-top:28px;padding-bottom:50px}.topic-page-header{margin-bottom:28px}.topic-page-header h1{letter-spacing:-1.6px;font-size:42px}.topic-page-header p{font-size:15px}.topic-page-symbol{display:none}.topic-page-nav{gap:7px}.topic-page-nav a{padding:11px 12px;font-size:12px}.archive-year{grid-template-columns:1fr;gap:25px}.archive-year h2{justify-content:space-between;align-items:center;font-size:36px;display:flex}.archive-year h2 span{margin:0}.archive-year li a{grid-template-columns:1fr 16px;gap:7px 15px}.archive-year time{grid-column:1/-1;margin-bottom:7px;font-size:11px}.archive-year strong{font-size:17px}.hero-actions{gap:14px 22px}.hero-actions .button{font-size:13px}}@media (width<=560px){:root{--header-height:112px}.header-inner{height:auto;min-height:var(--header-height);flex-wrap:wrap;gap:4px;padding-top:12px;padding-bottom:8px}.site-header nav{justify-content:space-between;width:100%}}@media (width<=380px){.shell{padding-left:18px;padding-right:18px}.brand{gap:8px;font-size:21px}.brand-mark{width:28px;height:32px}.site-header nav{gap:11px;font-size:11px}.site-header .nav-search{display:none}.article-card{padding:22px}.card-read{font-size:0}.card-read span{font-size:17px}.topic-page-header h1{font-size:36px}}@media (prefers-reduced-motion:reduce){.round-arrow,.card-read span{transition:none}}@media print{.site-header,.site-footer,.hero-art,.nav-search,.skip-link{display:none!important}:root{color:#172b22;background:#fff}.shell{max-width:none;padding:0}.article-header,.article-signoff{break-inside:avoid}}:root{--heading-font:-apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}h1,h2,h3{color:var(--ink);font-family:var(--heading-font)}.site-header{backdrop-filter:saturate(160%)blur(20px);border-bottom-color:#172b220d}.brand{letter-spacing:-1px;font-size:26px}.brand-mark{color:#fff;font-family:var(--heading-font);background:linear-gradient(145deg,#23845a,#135a3b);border:0;border-radius:11px;font-size:27px;font-style:normal;font-weight:650;box-shadow:0 3px 8px #176b491c}.brand-mark span{color:#a8e3b9}.brand-dot{color:var(--accent)}.site-header nav{font-size:13px;font-weight:500}.site-header nav>a.active:after{background:var(--accent);border-radius:3px;width:22px;height:3px}.site-header nav>a:hover{color:var(--accent)}.hero{gap:44px;padding-top:82px;padding-bottom:86px}.hero-copy>.eyebrow{color:var(--accent);letter-spacing:1.4px;font-size:10px;display:inline-flex}.status-dot{background:#248a54;width:7px;height:7px}.hero h1,.about-page h1,.not-found h1{font-family:var(--heading-font);letter-spacing:-3px;font-weight:700;line-height:1.04}.hero h1{margin:24px 0;font-size:clamp(44px,4.8vw,67px)}.hero em,.about-page h1 em,.not-found h1 em,.topic-page-header h1 em{font-family:inherit;font-style:normal;font-weight:inherit;color:var(--accent);letter-spacing:inherit}.hero-copy>p{max-width:510px;font-size:17px;line-height:1.75}.hero-actions{gap:18px 24px}.hero-actions .button,.button{background:var(--accent);border-color:#0000;border-radius:100px;padding:13px 22px;font-weight:600;transition:background .18s,transform .18s,box-shadow .18s;box-shadow:0 5px 14px #176b491a}.button:hover{background:#125b3d;transform:translateY(-1px);box-shadow:0 7px 20px #176b4926}.button:active{transform:none}.text-link{color:var(--accent);border:0;gap:10px;padding-bottom:0;font-weight:500}.text-link:hover{color:#125b3d;text-underline-offset:4px;text-decoration:underline}.hero-art{min-width:0;height:350px}.hero-glow{z-index:-1;background:radial-gradient(at 48% 48%,#a2d9b4cc 0%,#c6e7d166 40%,#0000 70%);position:absolute;inset:-25px -10px}.note-code{color:#f4fbf6;background:radial-gradient(at 15% 0,#2b78513d,#0000 70%),linear-gradient(135deg,#174c34,#102d22);border:1px solid #ffffff30;border-radius:20px;width:365px;max-width:100%;transform:none;box-shadow:0 22px 48px -18px #133d2a70,0 4px 12px #133d2a12,inset 0 1px #ffffff14}.window-dots{border-bottom-color:#d2efda20;padding:17px 20px}.window-dots i{background:#cbd9ce;width:7px;height:7px}.window-dots i:nth-child(2){background:#95b49f}.window-dots i:nth-child(3){background:#57b87c}.window-dots>span{color:#cbdfd2;margin-left:16px;font-family:Consolas,monospace;font-size:9px}.code-lines{gap:10px;padding:27px 22px;font-size:11px}.code-lines b{color:#bcdbeb}.code-lines i{color:#e1d3ab}.code-lines q{color:#b5e9b9}.code-comment{color:#a8c5b2}.code-status{color:#cbdfd2;border-top-color:#d2efda20;padding:13px 20px;font-size:9px}.code-status>span{background:#7bdb9d}.art-card{backdrop-filter:blur(16px);background:#ffffffed;border:1px solid #ffffffb3;border-radius:18px;align-items:center;gap:13px;padding:17px 22px;display:flex;position:absolute;bottom:8px;right:-4px;box-shadow:0 8px 28px #153d2a15}.art-card-icon{color:#fff;background:var(--accent);border-radius:12px;place-items:center;width:38px;height:38px;font-size:23px;display:grid}.art-card strong{color:var(--ink);font-size:13px;font-weight:650;display:block}.art-card div>span{color:var(--muted);margin-top:4px;font-size:11px;display:block}.topic-ribbon{background:#fff;border-color:#e1e6e2}.topic-ribbon>.shell{min-height:68px;color:var(--text);justify-content:center;gap:46px}.topic-ribbon a{color:var(--accent);font-weight:600}.topic-ribbon span:first-child{color:var(--muted);font-size:10px}.topic-ribbon span:last-child{color:var(--muted);font-size:12px}.notebook{padding-top:72px}.section-heading h2,.about-strip h2{letter-spacing:-1.1px;font-weight:650}.section-heading h2{font-size:34px}.section-heading .eyebrow{color:var(--accent)}.article-count{color:var(--muted);font-size:12px}.article-count>span{display:none}.featured-note{background:#fff;border:1px solid #e2e7e3;border-radius:24px;box-shadow:0 7px 24px #172b2206}.featured-note:hover{border-color:#b4cfbf}.feature-visual{background:radial-gradient(at 20% 0,#54a67652,#0000 65%),linear-gradient(145deg,#21714e,#103e2b);min-height:280px}.feature-visual:before{content:"";border:1px solid #b9ebcd26;border-radius:50%;width:224px;height:224px;margin:auto;position:absolute;inset:0;box-shadow:0 0 0 38px #b9ebcd06}.feature-symbol{color:#c8f2d2;letter-spacing:6px;font-size:80px;font-weight:300;transform:none}.feature-grid{background-image:linear-gradient(#b7e7c612 1px,#0000 1px),linear-gradient(90deg,#b7e7c612 1px,#0000 1px);transform:none;mask-image:radial-gradient(#000,#0000 80%)}.feature-caption{color:#c2ddcd;letter-spacing:1.8px;font-size:9px}.feature-content{padding:32px 36px}.feature-content h3{letter-spacing:-.8px;font-size:30px;font-weight:650}.feature-content>.eyebrow{color:var(--accent)}.round-arrow{background:var(--soft);color:var(--accent)}.featured-note:hover .round-arrow{background:#d2e9db;transform:translate(2px,-2px)}.library-toolbar{margin-top:38px}.filters{gap:6px}.filters button{color:#3f5f4c;background:#e8ede9;border:1px solid #0000;border-radius:100px;padding:11px 16px}.filters button[aria-pressed=true]{background:var(--accent);color:#fff;box-shadow:none}.filters button:hover{border-color:#a6c5b3}.filters button span{color:#3f5f4c;background:#fff9;border-radius:100px}.search-box{background:#fff;border-color:#dce3de;border-radius:12px}.search-box:focus-within{outline-color:var(--accent)}.library-summary select{background:#fff;border-radius:9px}.article-grid{gap:24px}.article-card{--card-accent:#e7f2eb;--card-ink:#236746;background:#fff;border:1px solid #e2e7e3;border-radius:22px;padding:30px;box-shadow:0 4px 18px #172b2205}.article-card:hover{border-color:#b6d2c1;transform:translateY(-3px);box-shadow:0 12px 30px #172b220a}.article-card .topic{background:var(--card-accent);color:var(--card-ink);letter-spacing:.1px;border-radius:100px;padding:6px 10px;font-size:10px}.article-card .topic-dot{width:5px;height:5px}.article-number{color:var(--muted);font-size:11px}.article-card .card-title{font-family:var(--heading-font);letter-spacing:-.6px;font-size:23px;font-weight:650;line-height:1.3}.article-card .card-title a:after{border-radius:22px}.article-card:hover .card-title{color:var(--accent)}.article-card p{color:var(--muted)}.card-bottom{border-top:1px solid #edf0ed;padding-top:18px}.card-read{color:var(--accent)}.card-read span{border-radius:50%;place-items:center;width:26px;height:26px;display:grid}.notebook-end{border-bottom:1px solid var(--line)}.notebook-end>span:last-child{color:var(--accent);font-size:24px}.author-avatar{background:var(--soft);color:var(--accent);font-family:var(--heading-font);border:0;border-radius:50%;font-style:normal;font-weight:600}.about-strip .eyebrow{color:var(--accent)}.site-footer{background:#edf1ee;border-top:1px solid #dce3de}.footer-title{font-family:var(--heading-font);letter-spacing:-.8px;font-size:25px;font-style:normal;font-weight:650}.topic-page-header h1{font-family:var(--heading-font);letter-spacing:-2.5px;font-weight:700}.topic-page-symbol{background:var(--accent);color:#d7f4df;border:0;border-radius:28px;box-shadow:0 10px 28px #176b4915}.topic-page-nav a{background:#fff;border-radius:100px}.topic-page-nav a[aria-current=page]{background:var(--accent);border-color:var(--accent);color:#fff}.archive-year h2{font-family:var(--heading-font);color:var(--accent);letter-spacing:-1.4px;font-weight:650}.archive-year li a{transition:background .18s}.archive-year li a:hover{background:var(--soft)}.archive-year li a>span:last-child{color:var(--accent)}.about-note{background:#fff;border:1px solid #dbe7df;border-radius:22px;box-shadow:0 8px 26px #172b2205}.about-note .author-avatar{background:var(--soft)}.signature{color:var(--accent)}.empty-state{border:1px solid var(--line);background:#fff;border-radius:20px}.not-found .eyebrow{color:var(--accent)}@media (width>=1500px){.hero h1{font-size:74px}}@media (width<=1000px) and (width>=761px){.hero{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:20px;overflow:clip}.hero h1{font-size:50px}.hero-copy>p{font-size:16px}.hero-art{transform:none}.code-lines{padding:24px 16px;font-size:9px}.art-card{padding:14px 17px;bottom:16px;right:0}}@media (width<=760px){.hero{gap:24px;padding-top:44px;padding-bottom:48px}.hero h1{letter-spacing:-2px;font-size:clamp(40px,10.8vw,56px)}.hero-copy>.eyebrow{letter-spacing:1px;font-size:9px}.hero-copy>p{font-size:16px}.hero-art{width:365px;max-width:100%;height:325px;margin-top:12px;transform:none}.hero-glow{inset:-10px 0}.note-code{border-radius:18px;width:100%}.code-lines{padding:23px 18px;font-size:10px}.art-card{padding:14px 17px;bottom:-2px;right:7px}.topic-ribbon>.shell{gap:26px}.topic-ribbon a{padding:11px 0}.notebook{padding-top:46px}.section-heading{gap:16px}.section-heading h2{font-size:29px}.article-count{flex-shrink:0;max-width:88px;font-size:11px;line-height:1.6}.featured-note{border-radius:22px}.feature-visual{min-height:176px}.feature-visual:before{width:132px;height:132px;box-shadow:0 0 0 26px #b9ebcd06}.feature-caption{font-size:8px;bottom:15px;left:22px}.feature-symbol{font-size:64px}.feature-content{padding:26px}.feature-content h3{font-size:26px}.library-toolbar{margin-top:29px}.filters{flex-wrap:wrap;justify-content:flex-start;gap:7px;display:flex}.filters button{padding:10px 12px}.article-grid{gap:18px}.article-card{border-radius:20px;padding:25px}.article-card .card-title{font-size:23px}.card-bottom{flex-wrap:wrap;row-gap:8px}.card-read{gap:6px}.topic-page-header h1{overflow-wrap:anywhere}.footer-title{font-size:23px}}@media (width<=380px){.hero-art{height:310px}.code-lines{font-size:9px}.hero h1{font-size:40px}.hero-copy>.eyebrow{font-size:8px}.article-card{padding:22px}.card-read{font-size:0}.card-read span{font-size:17px}}@media (prefers-reduced-motion:reduce){.article-card:hover,.button:hover,.button:active,.featured-note:hover,.featured-note:hover .round-arrow{transform:none}}@media print{.article-card,.featured-note,.about-note,.article-count,.topic-page-symbol{box-shadow:none}.feature-visual{background:#fff}.feature-symbol,.feature-caption{color:var(--ink)}}