@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');
:root{--lime:#c8f048;--lime600:#a8cf28;--lime-soft:#eef8c9;--ink:#0c0c0e;--g900:#24262a;--g700:#4a4d54;--g500:#71757e;--g400:#8d929b;--g300:#c9cdd3;--g200:#e3e6ea;--g100:#eef0f3;--g50:#f6f7f9;--white:#fff;--blue:#2f6df0;--header-bg:rgba(246,247,249,.94);--code-bg:#151619;--code-fg:#f4f5f7}
:root[data-theme="dark"]{--ink:#f4f5f7;--g900:#dfe2e7;--g700:#b0b5bd;--g500:#959aa3;--g400:#777c85;--g300:#4a4d54;--g200:#31343a;--g100:#26282d;--g50:#161719;--white:#202226;--lime-soft:rgba(200,240,72,.13);--header-bg:rgba(22,23,25,.94);--code-bg:#0c0c0e}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--g50);color:var(--g900);font-family:'Manrope',system-ui,sans-serif;line-height:1.6}a{color:inherit}
.skiplink{position:fixed;z-index:100;top:10px;left:10px;transform:translateY(-160%);padding:10px 14px;border-radius:8px;background:var(--ink);color:var(--white)}.skiplink:focus{transform:none}
.learn-main{max-width:1260px;margin:0 auto;padding:30px 28px 84px}.breadcrumbs{display:flex;align-items:center;gap:8px;margin:0 0 34px;color:var(--g500);font-size:13px;white-space:nowrap;overflow-x:auto}.breadcrumbs a{text-underline-offset:3px}
.learn-intro{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:52px;align-items:end;padding:34px 0 54px;border-bottom:1px solid var(--g200)}.learn-intro h1{max-width:13ch;margin:0;color:var(--ink);font-size:clamp(44px,6.2vw,82px);line-height:1.02;letter-spacing:-.04em;text-wrap:balance}.learn-intro .lead{max-width:58ch;margin:20px 0 0;color:var(--g700);font-size:19px;line-height:1.55}
.route-key{display:grid;gap:0;border-top:1px solid var(--g300)}.route-key div{display:grid;grid-template-columns:34px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--g200)}.route-key b{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--ink)}.route-key span{font-size:13px;color:var(--g500)}
.learn-section{padding:64px 0 0}.learn-section h2{max-width:24ch;margin:0;color:var(--ink);font-size:clamp(30px,4vw,48px);line-height:1.08;letter-spacing:-.035em;text-wrap:balance}.section-lead{max-width:68ch;margin:16px 0 30px;color:var(--g700);font-size:17px}
.path-list{border-top:1px solid var(--g300)}.path-row{display:grid;grid-template-columns:minmax(120px,.35fr) minmax(0,1.2fr) minmax(220px,.55fr) auto;gap:24px;align-items:center;padding:24px 4px;border-bottom:1px solid var(--g200);text-decoration:none}.path-row:hover .path-title{text-decoration:underline;text-underline-offset:4px}.path-type{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--g500)}.path-title{font-size:21px;font-weight:800;color:var(--ink);letter-spacing:-.02em}.path-desc{font-size:14px;color:var(--g500)}.path-action{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:10px;background:var(--ink);color:var(--white);font-size:13px;font-weight:800;white-space:nowrap}.path-row.primary{margin-top:14px;padding:26px 20px;background:var(--lime-soft);border-radius:14px;border-bottom:0}.path-row.primary .path-action{background:var(--lime);color:#0c0c0e}
.topic-map{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border-top:1px solid var(--g300)}.topic-map article{padding:26px 28px 28px 0;border-bottom:1px solid var(--g200)}.topic-map article:nth-child(odd){border-right:1px solid var(--g200)}.topic-map article:nth-child(even){padding-left:28px}.topic-map h3{margin:0 0 8px;color:var(--ink);font-size:19px}.topic-map p{margin:0;color:var(--g500);font-size:14px}.topic-map a{display:inline-block;margin-top:14px;font-weight:800;text-underline-offset:3px}
.learn-note{margin-top:54px;padding:24px 26px;border-radius:14px;background:var(--code-bg);color:var(--code-fg)}.learn-note strong{display:block;margin-bottom:6px;font-size:17px}.learn-note p{max-width:72ch;margin:0;color:#c9cdd3;font-size:14px}
.article-main{max-width:1220px;margin:0 auto;padding:30px 28px 84px}.article-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(220px,280px);gap:72px;align-items:start}.article-header{padding:24px 0 34px;border-bottom:1px solid var(--g200)}.article-header h1{margin:0;color:var(--ink);font-size:clamp(42px,6vw,72px);line-height:1.03;letter-spacing:-.04em;text-wrap:balance}.article-header .answer{max-width:66ch;margin:22px 0 0;color:var(--g700);font-size:20px;line-height:1.6}.article-meta{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:22px;color:var(--g500);font-family:'JetBrains Mono',monospace;font-size:11px}
.article-header.with-visual{display:grid;grid-template-columns:minmax(0,1fr) 310px;grid-template-rows:auto auto auto;gap:0 46px;align-items:center}.article-header.with-visual h1,.article-header.with-visual .answer,.article-header.with-visual .article-meta{grid-column:1}.article-cover{grid-column:2;grid-row:1/4;align-self:stretch;min-height:270px;margin:0;border:1px solid var(--g200);border-radius:16px;background:var(--white);overflow:hidden}.article-cover svg{display:block;width:100%;height:100%;min-height:270px}.article-cover .cv-line{stroke:var(--g300)}.article-cover .cv-ink{fill:var(--ink)}.article-cover .cv-muted{fill:var(--g500)}.article-cover .cv-lime{fill:var(--lime)}.article-cover .cv-lime-stroke{stroke:var(--lime)}.article-cover text{font-family:'JetBrains Mono',monospace}
.article-body{font-size:17px;color:var(--g700)}.article-body h2{scroll-margin-top:92px;margin:58px 0 16px;color:var(--ink);font-size:31px;line-height:1.18;letter-spacing:-.03em}.article-body h3{margin:32px 0 10px;color:var(--ink);font-size:21px;line-height:1.3}.article-body p{max-width:72ch;margin:0 0 18px}.article-body strong{color:var(--ink)}.article-body a{color:var(--blue);text-underline-offset:3px}.article-body ul,.article-body ol{max-width:70ch;margin:0 0 22px;padding-left:24px}.article-body li{margin:8px 0;padding-left:4px}
.article-toc{position:sticky;top:94px;padding-top:4px}.article-toc b{display:block;margin-bottom:12px;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--g400)}.article-toc a{display:block;padding:9px 0;border-bottom:1px solid var(--g200);color:var(--g500);font-size:13px;text-decoration:none}.article-toc a:hover{color:var(--ink)}
.cashflow-figure{margin:34px 0 42px;padding:26px;border-radius:14px;background:var(--white)}.cashflow-figure svg{display:block;width:100%;height:auto}.cashflow-figure figcaption{max-width:68ch;margin-top:14px;color:var(--g500);font-size:13px}.takeaways{margin:34px 0;padding:24px 26px;border-radius:14px;background:var(--lime-soft)}.takeaways h2{margin:0 0 12px;font-size:22px}.takeaways ul{margin:0;padding-left:20px}
.example{margin:24px 0 34px;padding:26px;border-radius:14px;background:var(--code-bg);color:var(--code-fg)}.example h3{margin-top:0;color:#fff}.example p{color:#dfe2e7}.example-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;margin:20px 0;background:#3a3d43}.example-grid div{padding:16px;background:var(--code-bg)}.example-grid span{display:block;color:#9aa0a8;font-size:11px}.example-grid strong{display:block;margin-top:5px;color:var(--lime);font-family:'JetBrains Mono',monospace;font-size:17px}
.data-cta{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;margin:42px 0;padding:26px;border:1px solid var(--g200);border-radius:14px;background:var(--white)}.data-cta h3{margin:0 0 7px}.data-cta p{margin:0;font-size:14px}.data-cta a{display:inline-flex;align-items:center;min-height:44px;padding:0 17px;border-radius:10px;background:var(--lime);color:#0c0c0e;font-size:13px;font-weight:800;text-decoration:none;white-space:nowrap}.source-list{font-size:14px}.source-list li{margin:12px 0}.source-list a{overflow-wrap:anywhere}.editorial-box{margin-top:46px;padding-top:24px;border-top:1px solid var(--g200);font-size:13px;color:var(--g500)}.editorial-box p{margin:6px 0}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}a:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
@media(max-width:900px){.learn-intro,.article-layout{grid-template-columns:1fr;gap:34px}.article-header.with-visual{grid-template-columns:1fr}.article-header.with-visual h1,.article-header.with-visual .answer,.article-header.with-visual .article-meta,.article-cover{grid-column:1}.article-cover{grid-row:auto;min-height:220px;margin-top:26px}.article-cover svg{min-height:220px}.article-toc{position:static;order:-1;padding:18px 20px;border-radius:14px;background:var(--white)}.path-row{grid-template-columns:minmax(100px,.3fr) 1fr;gap:8px 18px}.path-desc{grid-column:2}.path-action{grid-column:2;justify-self:start;margin-top:5px}}
@media(max-width:620px){.learn-main,.article-main{padding:18px 16px 60px}.breadcrumbs{margin-bottom:20px}.learn-intro{padding:24px 0 38px}.learn-intro h1,.article-header h1{font-size:40px}.learn-intro .lead,.article-header .answer{font-size:17px}.learn-section{padding-top:48px}.path-row,.path-row.primary{grid-template-columns:1fr;padding:20px 4px}.path-row.primary{padding:20px}.path-desc,.path-action{grid-column:1}.topic-map{grid-template-columns:1fr}.topic-map article,.topic-map article:nth-child(even){padding:22px 0;border-right:0}.article-body{font-size:16px}.article-body h2{font-size:27px}.cashflow-figure,.takeaways,.example,.data-cta{padding:20px;margin-left:-2px;margin-right:-2px}.example-grid{grid-template-columns:1fr 1fr}.data-cta{grid-template-columns:1fr}.data-cta a{justify-self:start}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}