/* JetSynapse editorial derivative: source guide typography and palette; bounded guide only. */
:root{color-scheme:dark;--oa-ink:#111122;--oa-panel:#191a2b;--oa-paper:#F0ECE0;--oa-copy:#d3d0db;--oa-muted:#b1aebe;--oa-gold:#EDC136;--oa-line:#655d4d;--oa-gutter:clamp(22px,5vw,80px)}
*{box-sizing:border-box}html:has(.oa-page){scroll-behavior:auto;scroll-padding-top:28px}body.oa-page{margin:0;background:var(--oa-ink);color:var(--oa-paper);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:17px;line-height:1.75}a{color:inherit;text-underline-offset:.25em}a:hover{color:var(--oa-gold)}a:focus-visible,button:focus-visible,select:focus-visible,[tabindex="0"]:focus-visible{outline:3px solid var(--oa-gold);outline-offset:5px}button,select{font:inherit}[hidden]{display:none!important}.oa-skip{position:absolute;top:8px;left:var(--oa-gutter);transform:translateY(-180%);padding:10px 18px;background:var(--oa-gold);color:var(--oa-ink);z-index:10}.oa-skip:focus{transform:none}.oa-header{max-width:1440px;margin:auto;padding:28px var(--oa-gutter);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--oa-line);gap:20px}.oa-brand{display:flex;align-items:center;gap:14px;text-decoration:none;letter-spacing:.11em;font-size:12px;font-weight:600}.oa-brand img{display:block;width:48px;height:48px}.oa-brand b{font-weight:400;color:var(--oa-gold)}.oa-header nav{display:flex;gap:32px}.oa-header nav a{display:flex;align-items:center;gap:16px;min-height:44px;font-size:14px;text-decoration:none}.oa-header nav a:last-child{color:var(--oa-gold)}.oa-hero,.oa-reading,.oa-related,.oa-footer{width:min(100% - 2 * var(--oa-gutter),1200px);margin-inline:auto}.oa-breadcrumb{padding-top:26px;color:var(--oa-muted);font-size:12px}.oa-breadcrumb ol{display:flex;flex-wrap:wrap;gap:10px 14px;list-style:none;padding:0;margin:0}.oa-breadcrumb li+li:before{content:"/";margin-right:14px;color:var(--oa-gold)}.oa-breadcrumb a{display:inline-block;min-height:32px}.oa-hero-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:70px;align-items:end;padding:54px 0 42px}.oa-kicker{color:var(--oa-gold);font-size:11px;font-weight:600;letter-spacing:.13em;line-height:1.7;text-transform:uppercase;margin:0 0 20px}h1,h2,h3{font-family:Georgia,"Times New Roman",serif;font-weight:400;line-height:1.1;margin:0 0 24px}h1{font-size:clamp(43px,5.75vw,82px);letter-spacing:-.048em}h2{font-size:clamp(34px,3.6vw,49px);letter-spacing:-.038em}h3{font-size:25px;letter-spacing:-.018em}.oa-deck{max-width:320px;padding-bottom:6px}.oa-index{display:block;color:var(--oa-gold);font-family:Georgia,serif;font-size:46px;line-height:1;margin-bottom:26px}.oa-deck>p{font-size:19px;line-height:1.65;color:var(--oa-copy);margin:0 0 24px}.oa-action{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;min-height:48px;padding:9px 0;border-bottom:1px solid var(--oa-gold);text-decoration:none;font-size:15px;font-weight:600;color:var(--oa-gold)}.oa-action span{font-size:20px}.oa-small,.oa-deck .oa-small{font-size:13px;line-height:1.65;color:var(--oa-muted);margin-top:16px}.oa-byline{display:flex;gap:12px 30px;flex-wrap:wrap;border-top:1px solid var(--oa-line);padding:20px 0;color:var(--oa-muted);font-size:12px}.oa-reading{display:grid;grid-template-columns:230px minmax(0,1fr);gap:85px;padding-top:66px}.oa-sidebar{min-width:0}.oa-sidebar nav{position:sticky;top:30px}.oa-sidebar ol{list-style:none;counter-reset:chapter;padding:0;margin:0}.oa-sidebar li{counter-increment:chapter;border-bottom:1px solid #343344}.oa-sidebar li a{display:flex;align-items:baseline;gap:12px;min-height:48px;padding:10px 0;font-size:13px;text-decoration:none;color:var(--oa-copy)}.oa-sidebar li a:before{content:counter(chapter,decimal-leading-zero);color:var(--oa-gold);font-size:10px}.oa-side-note{margin-top:50px;font-family:Georgia,serif;font-size:24px;line-height:1.5;color:var(--oa-muted)}.oa-prose{min-width:0;max-width:740px}.oa-prose section{scroll-margin-top:28px;padding:0 0 72px;margin:0 0 56px;border-bottom:1px solid var(--oa-line)}.oa-prose p{max-width:65ch;color:var(--oa-copy);margin:0 0 24px}.oa-prose .oa-kicker{color:var(--oa-gold);font-size:11px}.oa-prose .oa-lead{color:var(--oa-paper);font-size:23px;line-height:1.6}.oa-prose strong{font-weight:600;color:var(--oa-paper)}.oa-note{border-left:2px solid var(--oa-gold);padding:5px 0 5px 24px;margin:38px 0}.oa-note p:last-child{margin:0;font-size:15px}.oa-note .oa-kicker{margin-bottom:12px}.oa-path{margin:35px 0}.oa-path ol{padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--oa-line);border-left:1px solid var(--oa-line)}.oa-path li{padding:25px;border-right:1px solid var(--oa-line);border-bottom:1px solid var(--oa-line)}.oa-step-number{color:var(--oa-gold);font-size:12px;letter-spacing:.1em}.oa-path h3{margin:12px 0;font-size:25px}.oa-path p{margin:0;font-size:14px}.oa-path figcaption{font-size:12px;color:var(--oa-muted);margin-top:16px}.oa-table-wrap{margin:30px 0;overflow:auto}.oa-table-wrap table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.6}.oa-table-wrap caption{text-align:left;font-size:12px;color:var(--oa-gold);padding:0 0 16px}.oa-table-wrap th,.oa-table-wrap td{padding:18px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--oa-line)}.oa-table-wrap thead th{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--oa-muted);font-weight:500}.oa-table-wrap tbody th{font-weight:600;width:20%}.oa-table-wrap td{color:var(--oa-copy);width:40%}.oa-table-wrap td:last-child{background:#efd27c08}.oa-checklist{padding-left:25px;color:var(--oa-copy)}.oa-checklist li{padding:4px 0 14px 6px}.oa-checklist li::marker{color:var(--oa-gold)}.oa-exercise{background:var(--oa-panel);border:1px solid var(--oa-line);padding:32px;margin:32px 0}.oa-exercise h3{margin-bottom:12px}.oa-fields{display:grid;gap:22px;margin:30px 0}.oa-fields label{font-size:14px;color:var(--oa-paper)}.oa-fields select{display:block;width:100%;min-height:48px;margin-top:8px;padding:8px 12px;border:1px solid #8e887d;border-radius:0;background:var(--oa-ink);color:var(--oa-paper);font-size:15px}.oa-button{background:none;border-top:0;border-left:0;border-right:0;cursor:pointer;text-align:left}.oa-result{border-top:1px solid var(--oa-line);padding-top:22px;margin-top:24px;color:var(--oa-paper);font-size:16px}.oa-call{border-top:1px solid var(--oa-line);margin-top:42px;padding-top:30px}.oa-call a{display:inline-flex;align-items:center;min-height:44px;color:var(--oa-gold);font-size:16px}.oa-call .oa-small{max-width:54ch;font-size:13px}.oa-prose .oa-method-note{margin-bottom:0;padding-bottom:35px}.oa-method-note h2{font-size:26px}.oa-method-note p{font-size:14px}.oa-related{padding:85px 0}.oa-related h2{margin-bottom:40px}.oa-related>a{display:grid;grid-template-columns:180px 1fr 28px;gap:24px;align-items:center;border-top:1px solid var(--oa-line);padding:28px 0;text-decoration:none}.oa-related>a:last-child{border-bottom:1px solid var(--oa-line)}.oa-related>a>span{font-size:12px;color:var(--oa-muted)}.oa-related h3{margin:0;font-size:26px;line-height:1.35}.oa-related b{color:var(--oa-gold);font-size:24px;font-weight:400}.oa-footer{border-top:1px solid var(--oa-line);padding:36px 0 28px;display:grid;grid-template-columns:1fr auto;gap:24px;color:var(--oa-muted);font-size:13px}.oa-footer p{margin:0;color:var(--oa-paper)}.oa-footer p span{color:var(--oa-gold)}.oa-footer div{display:flex;gap:24px}.oa-footer a{min-height:44px;display:inline-flex;align-items:center}.oa-footer small{font-size:11px}
@media(max-width:1000px){.oa-hero-grid{gap:38px;grid-template-columns:1.4fr 1fr}.oa-reading{gap:42px;grid-template-columns:185px minmax(0,1fr)}h1{font-size:clamp(44px,6.2vw,66px)}.oa-related>a{grid-template-columns:140px 1fr 20px}}
@media(max-width:700px){.oa-header{padding-block:18px}.oa-brand{gap:8px;font-size:10px;letter-spacing:.07em}.oa-brand img{width:35px;height:35px}.oa-header nav{gap:16px}.oa-header nav a{font-size:12px}.oa-header nav a span{display:none}.oa-breadcrumb{font-size:11px}.oa-hero-grid{grid-template-columns:1fr;gap:28px;padding-top:36px}.oa-wide{display:none}h1{font-size:clamp(43px,9vw,60px);max-width:12ch}.oa-deck{max-width:33ch}.oa-index{display:none}.oa-deck>p{font-size:18px}.oa-byline{gap:6px 20px;font-size:11px}.oa-reading{display:block;padding-top:34px}.oa-sidebar nav{position:static;border-bottom:1px solid var(--oa-line);padding-bottom:30px;margin-bottom:48px}.oa-sidebar ol{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.oa-sidebar li a{font-size:12px}.oa-side-note{display:none}.oa-prose section{margin-bottom:42px;padding-bottom:42px}h2{font-size:36px}.oa-prose{font-size:17px}.oa-prose .oa-lead{font-size:21px}.oa-path li{padding:20px 16px}.oa-path h3{font-size:23px}.oa-table-wrap th,.oa-table-wrap td{padding:14px 9px;font-size:12px;overflow-wrap:break-word}.oa-table-wrap tbody th{width:24%}.oa-table-wrap td{width:38%}.oa-exercise{padding:23px 18px}.oa-related{padding:60px 0}.oa-related>a{grid-template-columns:1fr 24px;gap:10px}.oa-related>a>span{grid-column:1/-1}.oa-related h3{font-size:24px}.oa-footer{display:block}.oa-footer div{margin:18px 0;gap:20px}.oa-footer p span{white-space:nowrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
.oa-brand,.oa-breadcrumb a{min-height:44px}.oa-table-hint{display:none}.oa-sidebar nav{position:static}
@media(max-width:700px){.oa-table-hint{display:block;font-size:13px!important;color:var(--oa-muted)}.oa-table-wrap table{min-width:540px}.oa-table-wrap th,.oa-table-wrap td{font-size:14px}}
@media(forced-colors:active){.oa-action,.oa-note,.oa-fields select,.oa-exercise,.oa-path li{border-color:CanvasText}a,button{color:LinkText}.oa-step-number,.oa-kicker{color:CanvasText}:focus-visible{outline-color:Highlight}.oa-table-wrap td:last-child{background:Canvas}}
@media print{body.oa-page{background:white;color:black}.oa-sidebar,.oa-header,.oa-footer,.oa-exercise{display:none}.oa-reading{display:block}.oa-hero,.oa-reading,.oa-related{width:100%}.oa-prose,.oa-prose p{color:black;max-width:none}.oa-hero-grid{display:block}h1{font-size:40px}.oa-deck{max-width:none}.oa-prose section{break-inside:avoid}.oa-related{display:none}a{color:black}}

/* v51 reading-first extension. Shared companion shell is injected separately. */
.oa-page{background:radial-gradient(ellipse at 80% 0,rgba(237,193,54,.065),transparent 42rem),#111122}
.oa-page main{display:block;padding-bottom:0}.oa-page article{overflow:clip}
.oa-page h1,.oa-page h2,.oa-page h3{text-wrap:balance}.oa-page .oa-related>a{grid-template-columns:180px 1fr}.oa-page .oa-prose h3{margin-top:38px}.oa-page .oa-note h3,.oa-page .oa-exercise h3{margin-top:0}
.oa-page .oa-prose ul,.oa-page .oa-prose ol{padding-left:24px;color:var(--oa-copy)}.oa-page .oa-prose li{margin-bottom:12px}.oa-page .oa-prose li strong{color:var(--oa-paper)}
.oa-page .oa-prose a:not(.oa-action){color:var(--oa-gold)}.oa-page .oa-reading{padding-bottom:0}
.oa-page .oa-choice{margin:30px 0;border-top:1px solid var(--oa-line);border-bottom:1px solid var(--oa-line);padding:28px 0}.oa-page .oa-choice h3{margin-top:0}.oa-page .oa-choice p:last-child{margin-bottom:0}
.oa-page .oa-hero-grid.oa-single{grid-template-columns:minmax(0,1.8fr) minmax(220px,1fr)}
.oa-page .oa-hub{width:min(100% - 2 * var(--oa-gutter),1200px);margin:0 auto 85px}.oa-page .oa-hub h2{max-width:20ch}.oa-page .oa-feature{display:grid;grid-template-columns:180px 1fr;gap:40px;border-top:1px solid var(--oa-line);border-bottom:1px solid var(--oa-line);padding:40px 0;margin:35px 0 70px;text-decoration:none}.oa-page .oa-feature h2{margin-bottom:18px}.oa-page .oa-feature p{max-width:60ch;color:var(--oa-copy);margin:0}.oa-page .oa-number{font-family:Georgia,serif;font-size:70px;color:var(--oa-gold);line-height:1}
.oa-page .oa-resource-list{list-style:none;padding:0;margin:30px 0}.oa-page .oa-resource-list li{border-top:1px solid var(--oa-line)}.oa-page .oa-resource-list li:last-child{border-bottom:1px solid var(--oa-line)}.oa-page .oa-resource-list a{display:grid;grid-template-columns:180px 1fr;gap:40px;padding:30px 0;text-decoration:none}.oa-page .oa-resource-list h3{margin:0 0 12px}.oa-page .oa-resource-list p{color:var(--oa-copy);margin:0;max-width:60ch}.oa-page .oa-resource-list span{font-size:12px;color:var(--oa-gold)}
.oa-page .oa-hub-close{max-width:740px;border-left:2px solid var(--oa-gold);padding:8px 0 8px 26px}.oa-page .oa-hub-close h2{font-size:34px}.oa-page .oa-hub-close p{color:var(--oa-copy)}
@media(max-width:700px){.oa-page .oa-hero-grid.oa-single{grid-template-columns:1fr}.oa-page .oa-related>a,.oa-page .oa-feature,.oa-page .oa-resource-list a{grid-template-columns:1fr;gap:18px}.oa-page .oa-number{font-size:45px}.oa-page .oa-feature{margin-bottom:50px}.oa-page .oa-related>a>span{grid-column:auto}.oa-page .oa-prose .oa-table-hint{line-height:1.55}.oa-page .oa-hub-close{padding-left:20px}.oa-page .oa-hub-close h2{font-size:30px}}
@media print{.oa-page{background:white}.oa-page .oa-prose a,.oa-page .oa-kicker,.oa-page .oa-byline{color:black}.oa-page [data-site-header],.oa-page [data-site-footer]{display:none}.oa-page .oa-table-wrap{overflow:visible}.oa-page .oa-table-wrap table{min-width:0}}
@supports (content-visibility:auto){.oa-page .oa-prose>section{content-visibility:auto;contain-intrinsic-size:auto 650px}} @media print{.oa-page .oa-prose>section{content-visibility:visible;contain-intrinsic-size:none}}