:root{color-scheme:light;--paper:#FFF9F1;--paper2:#FFFFFF;--ink:#2B2118;--muted:#6E5C4C;--hair:#F2E1CB;--panel:#FFF1DE;--teal:#2E7D3E;--teal2:#1F4F2C;--profit:#2E7D3E;--profit-soft:#DDF0DF;--loss:#C8463A;--loss-soft:#F8DCD7;--gold:#D9741F;--nav:#1F4F2C;--navink:#F4EBDD;--navmuted:#BFD3C3;--navline:rgba(255,255,255,.12);--shadow:0 2px 4px rgba(110,64,16,.05),0 18px 40px -12px rgba(110,64,16,.22);--sans:'Figtree',system-ui,-apple-system,'Segoe UI',sans-serif;--serif:'Young Serif',Georgia,serif;--mono:'IBM Plex Mono',ui-monospace,Menlo,monospace}

*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 var(--sans)}button,input,select{font:inherit}a{color:inherit}button{color:inherit}.app{min-height:100vh}.rail{position:fixed;inset:0 auto 0 0;width:292px;background:var(--nav);color:var(--navink);border-right:1px solid var(--navline);display:flex;flex-direction:column;z-index:20}.rail-head{padding:30px 24px 20px;border-bottom:1px solid var(--navline)}.edition{font:500 11px var(--mono);letter-spacing:.15em;color:var(--gold)}.brand-lockup{display:flex;align-items:center;gap:11px;margin-bottom:18px}.brand-lockup img{width:38px;height:38px;border-radius:7px;object-fit:cover}.brand-lockup b{display:block;font:700 18px var(--serif);color:var(--navink)}.brand-lockup small{display:block;font:500 8px var(--mono);letter-spacing:.12em;color:var(--gold)}.mobile-brand{display:none;align-items:center;gap:10px;margin-bottom:26px}.mobile-brand img{width:42px;height:42px;border-radius:7px;object-fit:cover}.mobile-brand b{display:block;font:700 19px var(--serif)}.mobile-brand small{display:block;color:var(--muted);font-size:11px}.rail-head strong{display:block;margin-top:7px;font:700 22px/1.05 var(--serif)}.rail-head p{margin:9px 0 0;color:var(--navmuted);font-size:12px}.rail-nav{padding:14px 10px;overflow:auto}.rail-section{display:block;padding:10px 12px 7px;font:500 10px var(--mono);letter-spacing:.13em;color:#A9C2AE}.rail-link{display:flex;gap:12px;align-items:center;padding:10px 12px;border-radius:6px;text-decoration:none;margin:1px 0;color:var(--navmuted)}.rail-link:hover,.rail-link.active{background:#2A5E37;color:var(--navink)}.rail-link.active{box-shadow:inset 3px 0 var(--teal)}.nav-mark{width:29px;height:29px;border:1px solid #4E7D58;display:grid;place-items:center;border-radius:4px;color:var(--gold);font:600 10px var(--mono);flex:none}.rail-link b{display:block;font-size:13px}.rail-link small{display:block;color:#A9C2AE;font-size:10px;line-height:1.2;margin-top:2px}.rail-chapter-head{display:grid;grid-template-columns:minmax(0,1fr) 34px;align-items:center}.rail-chapter-head .rail-link{min-width:0}.rail-toggle{width:28px;height:28px;border:1px solid #4E7D58;border-radius:4px;background:transparent;color:var(--navmuted);cursor:pointer;font:500 16px var(--mono);line-height:1}.rail-toggle:hover,.rail-toggle:focus-visible{color:var(--navink);border-color:var(--teal)}.rail-chapter.open .rail-toggle{color:var(--gold)}.rail-lessons{margin:0 8px 8px 54px;padding:1px 0 4px 10px;border-left:1px solid var(--navline)}.rail-lessons[hidden]{display:none}.rail-lesson{display:block;padding:5px 7px;color:#BFD3C3;text-decoration:none;font-size:10px;line-height:1.25;border-radius:3px}.rail-lesson:hover,.rail-lesson.active{background:#2A5E37;color:var(--navink)}.rail-lesson.active{box-shadow:inset 2px 0 var(--teal)}.rail-foot{margin-top:auto;padding:16px 22px 22px;border-top:1px solid var(--navline);font-size:11px;color:var(--navmuted)}.rail-foot strong{color:var(--navink)}
.shell{margin-left:292px;min-height:100vh}.topbar{height:64px;position:sticky;top:0;z-index:15;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--hair);display:flex;align-items:center;justify-content:space-between;padding:0 34px}.crumb{font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}.top-actions{display:flex;gap:8px}.search-btn,.menu-btn{border:1px solid var(--hair);background:var(--paper2);border-radius:5px;padding:8px 12px;cursor:pointer}.search-btn{min-width:210px;text-align:left;color:var(--muted)}kbd{font:500 10px var(--mono);border:1px solid var(--hair);padding:1px 5px;border-radius:3px;margin-left:18px;background:var(--panel)}.menu-btn{display:none}.content{max-width:1280px;margin:0 auto;padding:0 52px 90px}.page-screen{display:none}.page-screen.active{display:block;animation:reveal .22s ease-out}@keyframes reveal{from{opacity:.25}to{opacity:1}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.page-screen.active{animation:none}}
.home-hero{min-height:600px;display:grid;grid-template-columns:1.06fr .94fr;gap:64px;align-items:center;padding:76px 0 52px}.overline,.chapter-kicker{font:600 11px var(--mono);letter-spacing:.16em;color:var(--teal);text-transform:uppercase}.home-hero h1{font:700 clamp(54px,6vw,94px)/.89 var(--serif);letter-spacing:-.045em;margin:18px 0 26px;max-width:750px}.home-hero h1 em{font-style:italic;color:var(--teal)}.hero-deck{font-size:20px;line-height:1.5;max-width:620px;color:var(--muted)}.hero-actions{display:flex;gap:10px;margin-top:30px;flex-wrap:wrap}.primary-btn,.ghost-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:5px;text-decoration:none;font-weight:600}.primary-btn{background:var(--teal);color:#fff;border:1px solid var(--teal)}.ghost-btn{background:transparent;border:1px solid var(--hair);cursor:pointer}.hero-figure svg{display:block;width:100%;color:var(--ink)}.figure-note{border-top:1px solid var(--hair);padding-top:13px;display:flex;gap:14px}.figure-note span{font:600 11px var(--mono);color:var(--gold)}.figure-note p{margin:0;font-size:13px;color:var(--muted)}.figure-note b{color:var(--ink)}.proof-strip{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--hair);padding:18px 0;margin-bottom:90px}.proof-strip span{padding:0 20px;border-right:1px solid var(--hair);color:var(--muted);font-size:13px}.proof-strip span:first-child{padding-left:0}.proof-strip span:last-child{border:0}.proof-strip b{font:700 24px var(--serif);color:var(--ink);margin-right:5px}.home-section{margin:0 0 100px}.section-heading{max-width:720px;margin-bottom:34px}.section-heading h2,.lab-copy h2{font:700 clamp(34px,4vw,54px)/1.02 var(--serif);letter-spacing:-.025em;margin:10px 0 14px}.section-heading>p:last-child,.lab-copy>p{color:var(--muted);font-size:17px}.path-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--hair)}.path-card{min-height:270px;padding:26px;text-decoration:none;border-right:1px solid var(--hair);position:relative}.path-card:last-child{border:0}.path-card:hover{background:var(--panel)}.path-no{font:600 12px var(--mono);color:var(--teal)}.path-card h3{font:700 27px/1.1 var(--serif);margin:44px 0 12px}.path-card p{color:var(--muted);font-size:14px}.path-card b{position:absolute;bottom:24px;font:600 12px var(--mono);color:var(--teal)}.strategy-index{border-top:2px solid var(--ink)}.strategy-group{display:grid;grid-template-columns:220px 1fr;gap:30px;padding:22px 0;border-bottom:1px solid var(--hair)}.strategy-group h3{font:700 22px/1.15 var(--serif);margin:3px 0}.strategy-group p{font-size:12px;color:var(--muted);margin:7px 0 0}.strategy-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px}.strategy-links a{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--hair);text-decoration:none;font-weight:600;font-size:13px}.strategy-links a:hover{color:var(--teal)}.strategy-links a::after{content:'→';color:var(--teal);font-family:var(--mono)}.split-section{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px;align-items:start}.jump-list{border-top:2px solid var(--ink)}.jump-list a{display:flex;justify-content:space-between;gap:22px;padding:16px 0;border-bottom:1px solid var(--hair);text-decoration:none}.jump-list a:hover b{color:var(--teal)}.jump-list span{color:var(--muted)}.jump-list b{text-align:right}.sizing-lab{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;background:var(--nav);color:var(--navink);padding:48px;border-radius:6px}.sizing-lab .overline{color:var(--gold)}.sizing-lab .lab-copy p{color:var(--navmuted)}.lab-note{font-size:12px!important;margin-top:30px}.calc-panel{background:#1F4F2C;border:1px solid #3C6E47;padding:25px}.calc-panel>label{display:block;margin-bottom:26px;color:#BFD3C3;font-size:13px;min-height:72px;overflow:visible}.calc-panel>label span{float:right;color:#fff;font:600 13px var(--mono)}input[type=range]{width:100%;accent-color:#FDB83E;margin-top:10px}.calc-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.calc-row label{font-size:12px;color:#BFD3C3}.calc-row input{width:100%;margin-top:6px;background:#143A1F;color:#fff;border:1px solid #3C6E47;border-radius:4px;padding:10px}.calc-results{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#3C6E47;margin-top:20px}.calc-results div{background:#173F22;padding:14px}.calc-results small{display:block;font-size:10px;color:#BFD3C3}.calc-results strong{display:block;font:700 23px var(--serif);margin-top:4px}.calc-results .accent strong{color:#FDB83E}.calc-message{margin:14px 0 0;font-size:12px;color:#BFD3C3}.principle-grid{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--hair)}.principle-grid article{padding:26px;border-right:1px solid var(--hair)}.principle-grid article:last-child{border:0}.principle-grid span{font:700 29px var(--serif);color:var(--gold)}.principle-grid h3{font:700 20px var(--serif);margin:22px 0 8px}.principle-grid p{font-size:13px;color:var(--muted)}.disclosure{border-top:3px solid var(--loss);padding:22px 0;display:grid;grid-template-columns:220px 1fr;gap:28px}.disclosure b{font-family:var(--serif);font-size:20px}.disclosure p{margin:0;color:var(--muted);font-size:13px}.disclosure .copyright{grid-column:1/-1;border-top:1px solid var(--hair);padding-top:16px;font:500 11px/1.5 var(--mono);letter-spacing:.02em;color:var(--muted)}
.contract-anatomy{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--hair);margin:26px 0}.contract-anatomy div{padding:18px;border-right:1px solid var(--hair)}.contract-anatomy div:last-child{border:0}.contract-anatomy small{display:block;font:600 10px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.contract-anatomy strong{display:block;margin-top:5px;font:700 20px var(--serif)}.position-matrix{display:grid;grid-template-columns:repeat(2,1fr);border:1px solid var(--hair);margin:24px 0}.position-card{padding:22px;border-right:1px solid var(--hair);border-bottom:1px solid var(--hair)}.position-card:nth-child(2n){border-right:0}.position-card:nth-last-child(-n+2){border-bottom:0}.position-card h4{margin:0 0 7px}.position-card p{margin:0 0 8px;font-size:14px;color:var(--muted)}.position-card .position-tag{font:600 10px var(--mono);text-transform:uppercase;color:var(--teal)}
.chapter-hero{display:grid;grid-template-columns:78px 1fr;gap:28px;align-items:start;padding:68px 0 42px;border-bottom:1px solid var(--hair)}.chapter-index{width:64px;height:64px;background:var(--ink);color:var(--paper);display:grid;place-items:center;border-radius:4px;font:700 13px var(--mono)}.chapter-hero h1{font:700 clamp(44px,5vw,72px)/.95 var(--serif);letter-spacing:-.035em;margin:7px 0 17px}.chapter-hero>div:last-child>p:last-child{color:var(--muted);max-width:800px;font-size:18px;margin:0}.local-toc{display:flex;gap:8px;flex-wrap:wrap;padding:22px 0 26px;border-bottom:1px solid var(--hair);margin-bottom:34px}.local-toc span{font:600 10px var(--mono);letter-spacing:.12em;text-transform:uppercase;padding:8px 10px 8px 0;color:var(--muted)}.local-toc a{font-size:12px;text-decoration:none;border:1px solid var(--hair);padding:6px 10px;border-radius:4px;background:var(--paper2)}.local-toc a:hover{border-color:var(--teal);color:var(--teal)}.article{max-width:940px;margin:0 auto 58px;padding:44px 0 20px;border-bottom:1px solid var(--hair)}.article>h2{font:700 clamp(34px,4vw,50px)/1 var(--serif);letter-spacing:-.025em;margin:0 0 20px;scroll-margin-top:90px}.article h3{font:700 24px/1.15 var(--serif);margin:34px 0 12px}.article h4{font-size:16px;margin:26px 0 8px}.article p{margin:0 0 15px}.article ul,.article ol{padding-left:23px;margin:10px 0 22px}.article li{margin-bottom:8px}.article a{color:var(--teal);text-underline-offset:3px}.tldr{font-size:18px;line-height:1.55;background:var(--panel);border-left:4px solid var(--teal);padding:18px 22px;margin:0 0 30px}.tldr strong{color:var(--teal2)}.callout{background:var(--panel);border-left:4px solid var(--teal);padding:18px 22px;margin:24px 0}.callout.warning{border-color:var(--loss);background:var(--loss-soft)}.see-also{margin-top:34px!important;border-top:1px solid var(--hair);padding-top:16px;color:var(--muted);font-size:13px}figure{margin:30px 0}figure img{width:100%;height:auto;display:block;border:1px solid var(--hair);background:#1e1f22}figcaption{font-size:12px;color:var(--muted);margin-top:9px}table.data{width:100%;border-collapse:collapse;margin:20px 0 28px;font-size:14px}table.data th,table.data td{border-bottom:1px solid var(--hair);padding:11px 13px;text-align:left;vertical-align:top}table.data th{font:600 11px var(--mono);text-transform:uppercase;letter-spacing:.06em;background:var(--panel)}table.data tr:hover td{background:color-mix(in srgb,var(--panel) 55%,transparent)}code{font:500 .9em var(--mono);background:var(--panel);padding:2px 5px;border-radius:3px}pre{background:var(--nav);color:var(--navink);padding:18px;border-radius:4px;overflow:auto}pre code{background:none}details{border-top:1px solid var(--hair)}details:last-of-type{border-bottom:1px solid var(--hair)}summary{cursor:pointer;padding:13px 2px;font-weight:600;list-style:none}summary::after{content:'+';float:right;color:var(--teal);font:500 20px var(--mono)}details[open] summary::after{content:'−'}details p{padding:0 26px 14px 0;color:var(--muted)}
.payoff-lab{background:var(--nav);color:var(--navink);border:1px solid var(--navline);border-radius:6px;padding:20px;margin:30px 0}.pl-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.pl-head>strong{font:700 22px var(--serif)}.pl-preset{background:#1F4F2C;color:#F4EBDD;border:1px solid #3C6E47;padding:8px;border-radius:4px}.pl-readouts{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid #3C6E47;margin:10px 0}.pl-readouts>div{padding:10px 13px;border-right:1px solid #3C6E47}.pl-readouts>div:last-child{border:0}.pl-readouts span{display:block;color:#BFD3C3;font-size:10px}.pl-readouts b{font:600 18px var(--mono)}.pl-canvas{max-width:100%;display:block}.pl-sliders{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 18px;margin:15px 0}.pl-slider{font-size:12px;color:#BFD3C3}.pl-slider span{display:flex;justify-content:space-between}.pl-legs{border:1px solid #3C6E47}.pl-legs summary{padding:10px 12px}.pl-legrow{display:grid;grid-template-columns:repeat(5,1fr) 34px;gap:6px;padding:9px;border-top:1px solid #3C6E47}.pl-legrow label span{display:block;font-size:9px;color:#BFD3C3}.pl-legrow input,.pl-legrow select{width:100%;background:#173F22;color:#fff;border:1px solid #3C6E47;padding:7px}.pl-legrow button,.pl-addleg{background:#2A6136;color:#fff;border:1px solid #4E7D58;cursor:pointer}.pl-addleg{margin:10px;padding:7px 10px}.pl-note{font-size:10px;color:#BFD3C3;margin:10px 0 0}
.playground-btn{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 12px;border:1px solid var(--teal);border-radius:5px;color:var(--teal);text-decoration:none;font:600 11px var(--mono);letter-spacing:.03em}.playground-btn:hover{background:var(--teal);color:#fff}.playground-intro{max-width:760px;margin:34px auto 0;color:var(--muted);font-size:16px}.playground-panel{background:var(--paper2);border:1px solid var(--hair);border-top:3px solid var(--teal);padding:24px;margin:22px 0 30px}.playground-panel h3{margin-top:0}.play-controls{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin:18px 0}.play-controls.three{grid-template-columns:repeat(3,minmax(0,1fr))}.play-control{display:block;color:var(--muted);font-size:11px}.play-control span{display:block;margin-bottom:5px;font:600 10px var(--mono);letter-spacing:.04em;text-transform:uppercase}.play-control input,.play-control select{width:100%;min-height:42px;border:1px solid var(--hair);border-radius:4px;background:var(--paper);color:var(--ink);padding:8px 10px}.play-control input:focus,.play-control select:focus{outline:2px solid color-mix(in srgb,var(--teal) 45%,transparent);outline-offset:1px}.play-results{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--hair);margin:18px 0}.play-result{padding:14px;border-right:1px solid var(--hair);min-height:88px}.play-result:last-child{border:0}.play-result small{display:block;color:var(--muted);font:500 10px var(--mono);text-transform:uppercase}.play-result strong{display:block;margin-top:5px;font:700 19px/1.15 var(--serif)}.play-explain{padding:14px 16px;background:var(--panel);margin:16px 0;font-size:14px}.scenario-table td:last-child{font-family:var(--mono);font-weight:600}.scenario-table tr[data-tone="profit"] td:last-child{color:var(--profit)}.scenario-table tr[data-tone="loss"] td:last-child{color:var(--loss)}.move-visual{position:relative;margin:24px 0 18px;padding:28px 0 8px}.move-axis{height:8px;background:var(--hair);position:relative;border-radius:2px}.move-band{position:absolute;left:25%;right:25%;top:0;height:8px;background:var(--profit);opacity:.7}.move-center{position:absolute;left:50%;top:-9px;width:2px;height:26px;background:var(--ink)}.move-labels{display:flex;justify-content:space-between;gap:14px;margin-top:10px;font:500 11px var(--mono)}.move-labels span:nth-child(2){text-align:center}.move-labels span:last-child{text-align:right}.heat-track{height:14px;background:var(--panel);border:1px solid var(--hair);margin:18px 0 8px;overflow:hidden}.heat-fill{height:100%;width:0;background:var(--profit);transition:width .18s ease}.heat-scale{display:flex;justify-content:space-between;color:var(--muted);font:500 10px var(--mono)}.risk-verdict{font-weight:600;margin:15px 0 0}.practice-link{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:13px;border-block:1px solid var(--hair);padding:14px 2px;margin:28px 0;text-decoration:none}.practice-link:hover{color:var(--teal)}.practice-link .practice-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--teal);color:#fff;border-radius:4px;font:700 11px var(--mono)}.practice-link small{display:block;color:var(--muted);font-size:11px}.practice-link b{display:block;font-size:14px}.practice-link>span:last-child{font:600 16px var(--mono);color:var(--teal)}
.search-layer{position:fixed;inset:0;background:rgba(31,79,44,.6);z-index:50;display:none;padding:9vh 20px}.search-layer.open{display:block}.search-box{max-width:760px;margin:auto;background:var(--paper2);color:var(--ink);border:1px solid var(--hair);box-shadow:var(--shadow)}.search-input-wrap{display:flex;align-items:center;border-bottom:1px solid var(--hair);padding:8px 16px}.search-input-wrap span{font:500 18px var(--mono);color:var(--teal)}#globalSearch{width:100%;border:0;background:transparent;padding:13px;font-size:18px;color:var(--ink);outline:0}.close-search{background:none;border:1px solid var(--hair);border-radius:3px;cursor:pointer}.search-results{max-height:55vh;overflow:auto;padding:8px}.search-result{display:grid;grid-template-columns:1fr auto;gap:16px;width:100%;text-align:left;background:transparent;color:var(--ink);border:0;border-bottom:1px solid var(--hair);padding:14px;cursor:pointer}.search-result:hover{background:var(--panel)}.search-result b{display:block}.search-result small{display:block;color:var(--muted)}.search-result em{font:500 10px var(--mono);font-style:normal;color:var(--teal);white-space:nowrap}.search-empty{padding:30px;text-align:center;color:var(--muted)}.mobile-scrim{display:none}
@media(max-width:1000px){.rail{display:none;transform:translateX(-100%);transition:transform .2s}.rail.open{display:flex}.rail.open{transform:translateX(0)}.shell{margin-left:0}.menu-btn{display:inline-flex}.mobile-scrim{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:19}.mobile-scrim.open{display:block}.content{padding-inline:28px}.home-hero{grid-template-columns:1fr;min-height:auto;padding-top:56px}.hero-figure{max-width:620px}.path-grid{grid-template-columns:1fr}.path-card{border-right:0;border-bottom:1px solid var(--hair);min-height:220px}.split-section,.sizing-lab{grid-template-columns:1fr}.strategy-group{grid-template-columns:180px 1fr}.principle-grid{grid-template-columns:1fr 1fr}.principle-grid article:nth-child(2){border-right:0}.principle-grid article:nth-child(-n+2){border-bottom:1px solid var(--hair)}}
@media(max-width:680px){body{font-size:15px}.topbar{padding:0 15px;height:56px}.search-btn{min-width:auto}.search-btn span{display:none}.content{padding:0 17px 70px}.mobile-brand{display:flex}.home-hero{gap:30px;padding:40px 0}.home-hero h1{font-size:54px}.hero-deck{font-size:17px}.hero-figure{margin-inline:-5px}.proof-strip{grid-template-columns:1fr 1fr;margin-bottom:66px}.proof-strip span{padding:10px 12px;border-bottom:1px solid var(--hair)}.proof-strip span:nth-child(2){border-right:0}.home-section{margin-bottom:68px}.path-card{min-height:200px}.strategy-group{grid-template-columns:1fr;gap:8px;padding:20px 0}.strategy-links{grid-template-columns:1fr}.strategy-links a{font-size:12px}.split-section{gap:24px}.jump-list a{display:block}.jump-list b{display:block;text-align:left;margin-top:4px}.sizing-lab{margin-inline:-17px;padding:30px 18px;border-radius:0;gap:28px}.calc-panel{padding:16px}.calc-results{grid-template-columns:1fr}.principle-grid{grid-template-columns:1fr}.principle-grid article{border-right:0!important;border-bottom:1px solid var(--hair)}.disclosure{grid-template-columns:1fr}.chapter-hero{grid-template-columns:1fr;padding:42px 0 28px}.chapter-index{width:42px;height:42px}.chapter-hero h1{font-size:44px}.chapter-hero>div:last-child>p:last-child{font-size:16px}.local-toc{flex-wrap:nowrap;overflow:auto;margin-inline:-17px;padding-inline:17px}.local-toc::-webkit-scrollbar{display:none}.local-toc a{white-space:nowrap}.article{padding-top:28px}.contract-anatomy{grid-template-columns:1fr 1fr}.contract-anatomy div{border-right:0;border-bottom:1px solid var(--hair)}.contract-anatomy div:nth-child(odd){border-right:1px solid var(--hair)}.contract-anatomy div:last-child{grid-column:1/-1;border-bottom:0;border-right:0}.position-matrix{grid-template-columns:1fr}.position-card{border-right:0!important;border-bottom:1px solid var(--hair)!important}.position-card:last-child{border-bottom:0!important}.article>h2{font-size:36px}.article h3{font-size:22px}.tldr{font-size:16px;padding:15px}.article ul,.article ol{padding-left:20px}table.data,table.data tbody,table.data tr,table.data td{display:block}table.data thead,table.data th{display:none}table.data tr{border:1px solid var(--hair);margin:10px 0;padding:8px;background:var(--paper2)}table.data td{border:0;padding:5px 8px}table.data td::before{content:attr(data-label);font:600 9px var(--mono);display:block;color:var(--muted);text-transform:uppercase}.pl-readouts{grid-template-columns:1fr}.pl-readouts>div{border-right:0;border-bottom:1px solid #3C6E47}.pl-sliders{grid-template-columns:1fr}.pl-legrow{grid-template-columns:1fr 1fr}.pl-legrow button{min-height:36px}.pl-head{display:block}.pl-preset{width:100%;margin-top:8px}.search-layer{padding:5vh 10px}.search-result{grid-template-columns:1fr}.rail{width:min(86vw,310px)}}
@media(max-width:860px){.play-controls{grid-template-columns:repeat(2,minmax(0,1fr))}.play-controls.three{grid-template-columns:repeat(3,minmax(0,1fr))}.play-results{grid-template-columns:repeat(2,minmax(0,1fr))}.play-result:nth-child(2){border-right:0}.play-result:nth-child(-n+2){border-bottom:1px solid var(--hair)}}
@media(max-width:680px){.playground-btn{padding-inline:9px}.playground-btn span{display:none}[data-page="playground"] .local-toc{flex-wrap:wrap;overflow:visible;margin-inline:0;padding-inline:0}[data-page="playground"] .local-toc span{width:100%}.playground-panel{margin-inline:-1px;padding:18px 14px}.play-controls,.play-controls.three{grid-template-columns:1fr 1fr}.play-results{grid-template-columns:1fr}.play-result{border-right:0;border-bottom:1px solid var(--hair)!important}.play-result:last-child{border-bottom:0!important}.practice-link{grid-template-columns:auto 1fr}.practice-link>span:last-child{display:none}}
@media print{.rail,.topbar,.local-toc,.hero-actions,.search-layer{display:none!important}.shell{margin:0}.content{max-width:none;padding:0}.page-screen{display:block!important}.article,.payoff-lab{break-inside:avoid}}