:root{--paper:#f3f3eb;--ink:#153330;--muted:#526763;--line:#cad3c7;--leaf:#c6e7a1}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.7 system-ui,-apple-system,Segoe UI,sans-serif}a{color:inherit;text-underline-offset:4px}a:focus-visible,button:focus-visible{outline:3px solid #72964d;outline-offset:5px}.wrap{max-width:1200px;margin:auto;padding:0 36px}.skip{position:absolute;top:-80px;background:var(--ink);color:white;padding:10px}.skip:focus{top:5px;z-index:2}header{display:flex;align-items:center;justify-content:space-between;padding:25px 0;border-bottom:1px solid var(--line)}.brand{font-size:28px;font-weight:750;letter-spacing:-1.6px;text-decoration:none}.brand b{color:#79965f}nav{display:flex;align-items:center;gap:28px;font-size:13px}nav a{text-decoration:none}nav [aria-current]{border-bottom:1px solid var(--ink)}.eyebrow{font:11px/1.6 ui-monospace,monospace;letter-spacing:1.7px;text-transform:uppercase;color:#657b5c}.hero{padding:67px 0 55px;display:grid;grid-template-columns:1.2fr 1fr;gap:70px;align-items:center}h1{font:clamp(42px,5.2vw,68px)/1.08 Georgia,serif;letter-spacing:-2.7px;font-weight:400;margin:18px 0 22px}h1 em{font-style:normal;color:#6b8558}.lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:580px}.button{display:inline-block;padding:12px 20px;border-radius:6px;background:var(--ink);color:white;text-decoration:none;font-size:13px;font-weight:600}.hero .button{margin-top:12px}.map{padding:32px;border-radius:13px;background:#173b36;color:#eef4df;position:relative;overflow:hidden}.map:before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(150deg,transparent 0 48px,#ffffff06 49px 50px);pointer-events:none}.map .eyebrow{color:#afc799}.map ol{list-style:none;padding:16px 0 0;margin:0;position:relative}.map li{display:flex;gap:18px;align-items:center;padding:14px 0;border-bottom:1px solid #ffffff21}.map li:last-child{border-bottom:0}.node{border:1px solid #9eb28a;border-radius:50%;width:32px;height:32px;display:grid;place-items:center;font:12px ui-monospace,monospace;flex-shrink:0}.map strong{display:block;font-size:15px}.map small{font-size:12px;color:#b6c6b5}.meta{display:flex;gap:24px;font-size:11px;color:var(--muted);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:15px 0}.section-head{display:flex;justify-content:space-between;align-items:end;margin:48px 0 22px;gap:20px}h2{font:34px/1.25 Georgia,serif;letter-spacing:-.8px;font-weight:400;margin:12px 0 20px}.section-head h2{margin:7px 0 0}.section-head p{font-size:13px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.card{display:flex;flex-direction:column;min-height:245px;border:1px solid var(--line);border-radius:10px;padding:27px;text-decoration:none;transition:background .2s,border-color .2s}.card:hover{background:#e7eddf;border-color:#829c76}.card-top{display:flex;justify-content:space-between;font:11px ui-monospace,monospace;color:#607b58}.card h3{font:26px/1.25 Georgia,serif;font-weight:400;margin:26px 0 10px}.card p{font-size:14px;color:var(--muted);margin:0 0 22px;max-width:420px}.card .more{margin-top:auto;font-size:12px;font-weight:600}.note{padding:22px 25px;background:#e5ebdc;border-radius:8px;font-size:14px;margin:30px 0}.note p{margin:6px 0 0}.resources{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:48px 0 60px}.resources p{font-size:14px;color:var(--muted)}.resources ul{list-style:none;padding:0}.resources li{padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}footer{border-top:1px solid var(--line);padding:25px 0 35px;display:flex;justify-content:space-between;gap:20px;font-size:11px;color:var(--muted)}.crumb{font-size:12px;color:var(--muted);margin-top:29px}.article-head{max-width:850px;padding:34px 0 30px}.article-head h1{font-size:clamp(40px,5vw,60px)}.article-meta{font-size:12px;color:var(--muted)}.reading{display:grid;grid-template-columns:210px minmax(0,740px);gap:65px;padding:12px 0 60px}.toc{position:sticky;top:25px;align-self:start;font-size:12px}.toc a{display:block;text-decoration:none;padding:9px 0;border-bottom:1px solid var(--line)}.prose{min-width:0}.prose h2{font-size:29px;margin-top:38px}.prose h2:first-child{margin-top:0}.prose h3{font-size:17px;margin-top:28px}.prose p,.prose li{font-size:15px;color:#3f5952}.prose li{padding-bottom:7px}.prose code{font:13px ui-monospace,monospace;background:#e3e9db;padding:2px 5px;border-radius:3px}.code-block{background:#173b36;border-radius:8px;margin:18px 0 22px;overflow:hidden}.code-bar{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-bottom:1px solid #ffffff22;font-size:10px;letter-spacing:1px;color:#b5c9a6}.copy{border:1px solid #77917b;background:transparent;color:#e8f2dc;border-radius:4px;padding:5px 10px;font-size:11px;cursor:pointer}.copy-status{font-size:12px;min-height:18px;color:#526763}.prose pre{padding:20px;margin:0;overflow:auto;line-height:1.9}.prose pre code{background:none;color:#e7f0dd;padding:0;white-space:pre;font-size:12px}.sources{margin-top:38px;border-top:1px solid var(--line);padding-top:18px;font-size:12px;color:var(--muted)}.sources a{display:inline-block;margin:0 18px 8px 0}.next{display:flex;justify-content:space-between;gap:20px;margin-top:35px;padding-top:25px;border-top:1px solid var(--line);font-size:13px}dl{display:grid;grid-template-columns:130px 1fr;gap:18px 25px}dt{font-weight:650;font-size:14px;border-top:1px solid var(--line);padding-top:15px}dd{margin:0;font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:15px}@media(max-width:800px){.hero{gap:30px}.wrap{padding:0 24px}.reading{grid-template-columns:155px minmax(0,1fr);gap:30px}.map{padding:23px}nav{gap:18px}}@media(max-width:600px){header{padding:19px 0}nav{gap:15px;font-size:12px}.hero{grid-template-columns:1fr;padding:42px 0 35px;gap:25px}h1{font-size:49px;letter-spacing:-2px}.cards,.resources{grid-template-columns:1fr}.resources{gap:10px;padding-top:25px}.meta{gap:12px;flex-wrap:wrap}.section-head{align-items:start;flex-direction:column;gap:0}.section-head p{margin:5px 0}.card{min-height:220px}.reading{display:block;padding-top:0}.toc{position:static;display:flex;flex-wrap:wrap;gap:0 16px;margin-bottom:35px}.toc .eyebrow{width:100%}.toc a{font-size:11px}.article-head{padding-top:22px}.lead{font-size:16px}.article-meta{font-size:11px}footer{flex-direction:column;gap:8px}dl{grid-template-columns:90px minmax(0,1fr);gap:14px}.next{flex-direction:column}.prose pre code{font-size:11px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card{transition:none}}
.learn-intro{padding:27px 0 20px}.learn-intro h1{font-size:40px;letter-spacing:-1px;margin:5px 0 7px}.learn-intro p{margin:0;color:var(--muted);font-size:15px}.learn-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:30px;align-items:start}.guide-list{border-top:1px solid var(--line)}.guide-row{display:grid;grid-template-columns:25px minmax(0,1fr) auto;gap:14px;min-height:0;padding:21px 8px;border:0;border-bottom:1px solid var(--line);border-radius:0;align-items:start}.guide-number{font:11px/2 ui-monospace,monospace;color:#6b8558}.guide-row h3{font:21px/1.3 Georgia,serif;margin:0 0 5px}.guide-row p{font-size:13px;line-height:1.5;margin:0;max-width:390px}.guide-time{font:10px/2 ui-monospace,monospace;white-space:nowrap;color:var(--muted)}.quick-reference{background:#e5ebdc;border-radius:8px;padding:20px}.quick-reference h2{font-size:25px;margin:5px 0 8px}.quick-reference p,.quick-reference>a{font-size:12px;margin:7px 0}.quick-reference .code-block{margin:12px 0 0}.quick-reference pre{padding:15px;margin:0;overflow:auto;line-height:1.9}.quick-reference code{font:11px/1.9 ui-monospace,monospace;color:#eef4df;white-space:pre}.quick-reference .copy-status{margin:4px 0;min-height:0}.preview-note{font-size:12px;color:var(--muted);line-height:1.6;margin:15px 8px}.source-strip{display:flex;gap:22px;align-items:center;flex-wrap:wrap;padding:20px 0 26px;margin-top:14px;font-size:12px}.source-strip strong{font-size:11px;color:var(--muted)}header{padding:18px 0}.crumb{margin-top:18px}.article-head{padding:15px 0 20px}.article-head h1{font-size:38px;letter-spacing:-1px;margin:8px 0 10px}.article-head .lead{font-size:15px;line-height:1.6;margin:0 0 8px;max-width:740px}.article-meta{margin:0;font-size:11px}.reading{grid-template-columns:180px minmax(0,740px);gap:35px;padding-bottom:35px}.prose h2{font-size:25px;margin:25px 0 12px}.prose p{line-height:1.65;margin:10px 0}.prose .note{padding:15px 18px;margin:18px 0}.prose .code-block{margin:12px 0 8px}.prose pre{padding:14px 18px;line-height:1.7}.copy-status:empty{display:none}.sources{margin-top:24px;padding-top:14px}.sources p{font-size:12px}.next{margin-top:20px;padding-top:15px}footer{padding:18px 0 24px}@media(max-width:800px){.learn-grid{gap:20px;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}.guide-row{grid-template-columns:20px minmax(0,1fr);gap:10px}.guide-time{grid-column:2;line-height:1;margin-top:2px}.reading{grid-template-columns:145px minmax(0,1fr);gap:25px}}@media(max-width:600px){.learn-intro{padding:23px 0 18px}.learn-intro h1{font-size:35px}.learn-grid{grid-template-columns:1fr;gap:12px}.guide-row{padding:15px 4px}.guide-row h3{font-size:20px}.guide-time{font-size:10px}.quick-reference{padding:18px}.source-strip{gap:12px 18px;margin-top:5px;padding-bottom:20px}.source-strip strong{width:100%}.article-head h1{font-size:32px}.reading{display:block}.toc{margin-bottom:20px}.toc a{padding:6px 0}.article-head{padding-bottom:15px}.prose h2{font-size:24px}}

/* Balance a short introduction with readable guide cards. */
.learn-intro{padding:38px 0 28px}.learn-intro h1{font-size:46px;letter-spacing:-1.5px;margin:8px 0 12px}.learn-intro p{font-size:16px;max-width:640px}.learn-grid{grid-template-columns:minmax(0,1fr);gap:24px}.guide-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;border:0}.guide-row{grid-template-columns:25px minmax(0,1fr);gap:12px;padding:23px;border:1px solid var(--line);border-radius:9px;min-height:175px;background:#ffffff26}.guide-row h3{font-size:24px;margin-bottom:8px}.guide-row p{font-size:14px;line-height:1.6;max-width:430px}.guide-time{grid-column:2;margin-top:8px;line-height:1.4}.preview-note{margin:18px 0 0}.quick-reference{display:grid;grid-template-columns:1fr 1.3fr;gap:0 25px;padding:24px 28px;align-items:start}.quick-reference>.eyebrow,.quick-reference>h2,.quick-reference>p,.quick-reference>a{grid-column:1}.quick-reference .code-block{grid-column:2;grid-row:1/6;margin:0}.quick-reference .copy-status{grid-column:2}.quick-reference h2{font-size:28px}.quick-reference p,.quick-reference>a{font-size:13px}.source-strip{padding:22px 0 30px;margin-top:10px}.article-head{padding:20px 0 25px}.article-head h1{font-size:40px}.prose h2{margin-top:30px}.prose .code-block{margin:16px 0 12px}.reading{gap:40px}@media(max-width:600px){.learn-intro{padding:28px 0 23px}.learn-intro h1{font-size:38px}.learn-intro p{font-size:15px}.guide-list{grid-template-columns:1fr;gap:12px}.guide-row{min-height:0;padding:19px}.guide-row h3{font-size:22px}.guide-row p{font-size:13px}.guide-time{margin-top:5px}.quick-reference{display:block;padding:22px}.quick-reference .code-block{margin:15px 0 10px}.article-head h1{font-size:34px}.source-strip{gap:12px 18px}.reading{display:block}}