:root{--border:1px solid var(--line);--bg:#f6f4ef;--panel:#fff;--ink:#1d1f1c;--muted:#61665e;--line:#deddd3;--accent:#1f6f5c;--accent-ink:#fff;--soft:#e8eeea;--ok:#2f7d4f;--ok-bg:#edf6f0;--warn:#a35f00;--warn-bg:#fff6e6;--note-bg:#eeede7;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color-scheme:light}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#151614;--panel:#1e201d;--ink:#ecebe6;--muted:#b0b3aa;--line:#393d34;--accent:#5cc3a6;--accent-ink:#0d1f1a;--soft:#20372e;--ok:#7fd09e;--ok-bg:#1d2d23;--warn:#f2b45c;--warn-bg:#2e2617;--note-bg:#232521;color-scheme:dark}}:root[data-theme=dark]{--bg:#151614;--panel:#1e201d;--ink:#ecebe6;--muted:#b0b3aa;--line:#393d34;--accent:#5cc3a6;--accent-ink:#0d1f1a;--soft:#20372e;--ok:#7fd09e;--ok-bg:#1d2d23;--warn:#f2b45c;--warn-bg:#2e2617;--note-bg:#232521;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans Devanagari",sans-serif;overflow-wrap:break-word}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-weight:600;line-height:1.12;letter-spacing:-.045em}h1{font-size:clamp(40px,5.4vw,68px)}h2{font-size:clamp(29px,3.4vw,42px)}h3{font-size:19px;letter-spacing:-.025em}p+p{margin-top:16px}ul,ol{padding-left:22px}li+li{margin-top:9px}a{color:var(--accent);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,input,select{font:inherit}button{cursor:pointer}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible,video:focus-visible{outline:3px solid var(--accent);outline-offset:5px}code,pre,.mono{font-family:var(--mono)}code{font-size:.86em;overflow-wrap:anywhere}pre{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;line-height:1.8}img,svg,video{max-width:100%;height:auto}[hidden]{display:none!important}
.wrap{width:min(1200px,calc(100% - 64px));margin-inline:auto}
.skip-link{position:fixed;top:12px;left:16px;transform:translateY(-180%);z-index:30;background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:7px}
.skip-link:focus{transform:none}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.brand small{font:600 10px system-ui;border:var(--border);border-radius:4px;padding:3px 5px}
.site-header{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:var(--border)}
.header-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:19px;letter-spacing:-.04em;text-decoration:none;white-space:nowrap}
.brand-mark{width:30px;height:30px;flex-shrink:0}
.header-tools{display:flex;align-items:center;gap:18px}
.nav-menu>summary{display:none}
.main-nav{display:flex;gap:7px;align-items:center}
.main-nav a{padding:8px 11px;font-size:12px;font-weight:600;color:var(--muted);text-decoration:none;border-radius:7px;white-space:nowrap}
.main-nav a:hover,.main-nav [aria-current=page]{color:var(--ink);background:var(--panel)}
.main-nav a[href="get-started.html"]{background:var(--accent);color:var(--accent-ink);padding-inline:15px}
.theme-toggle{display:grid;place-items:center;width:36px;height:36px;border:var(--border);border-radius:9px;background:var(--panel);color:var(--ink);font-size:19px;flex-shrink:0}
.eyebrow,.section-number{font:600 10px/1.7 var(--mono);letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
.eyebrow{margin-bottom:18px}
.section-number{display:block;margin-bottom:18px}
.hero{display:grid;grid-template-columns:.85fr 1.15fr;gap:58px;align-items:center;padding-block:66px 56px}
.hero-title{font-size:clamp(48px,5.3vw,68px);letter-spacing:-.065em;line-height:1.04}
.hero-title span{display:block;color:var(--accent)}
.lede{max-width:65ch;color:var(--muted);font-size:18px;line-height:1.75}
.hero .lede{margin-top:25px;font-size:17px;max-width:40ch}
.actions{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-top:28px}
.button{display:inline-flex;gap:20px;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;border:1px solid var(--accent);border-radius:9px;background:var(--accent);color:var(--accent-ink);font-size:13px;font-weight:600;text-decoration:none;transition:transform .15s}
.button:hover{text-decoration:none;transform:translateY(-2px)}
.text-link{font-size:13px;font-weight:600}
.hero-footnote{margin-top:23px;font-size:11px;color:var(--muted)}
.hero-footnote span{padding-inline:6px}
.demo-ledger{position:relative;isolation:isolate;background:var(--panel);border:var(--border);border-radius:12px;box-shadow:0 16px 36px #17271a0c}
.demo-ledger:before{content:"";position:absolute;inset:7px -7px -7px 7px;background:var(--panel);border:var(--border);border-radius:12px;transform:rotate(1deg);z-index:-1}
.ledger-head{padding:22px 23px 18px;display:flex;justify-content:space-between;gap:15px;border-bottom:var(--border)}
.ledger-head strong{font-size:17px;letter-spacing:-.025em}
.ledger-head p,.ledger-mark{font:10px/1.7 var(--mono);color:var(--muted);margin-top:5px}
.ledger-column-head{display:grid;grid-template-columns:1fr 1.1fr;gap:20px;padding:12px 23px 12px 51px;background:var(--bg);font:9px/1.5 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.demo-row{display:grid;grid-template-columns:18px 1fr;gap:10px;padding:18px 23px;border-bottom:var(--border)}
.line-number{font:10px/1.6 var(--mono);color:var(--muted);padding-top:2px}
.demo-row>div{display:grid;grid-template-columns:1fr 1.1fr;gap:4px 20px;align-items:start}
.result-line{display:contents}
.order-line{grid-column:1;grid-row:1/span 2;font:12px/1.8 var(--mono);overflow-wrap:anywhere}
.row-result{grid-column:2;grid-row:2;font-size:12px;line-height:1.65}
.status{display:inline-flex;gap:6px;align-items:center;width:max-content;font-size:10px;font-weight:600}
.status:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}
.demo-row.ready{background:var(--ok-bg);border-left:3px solid var(--ok);padding-left:20px}
.demo-row.review{background:var(--warn-bg);border-left:3px solid var(--warn);padding-left:20px}
.demo-row.note{background:var(--note-bg);color:var(--muted)}
.status.ready{color:var(--ok)}
.status.review,.review .row-result{color:var(--warn)}
.status.note{color:var(--muted)}
.ledger-foot{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:16px 23px}
.ledger-foot p{font-size:10px;line-height:1.7;color:var(--muted)}
.replay-button{padding:5px 0;border:0;background:none;color:var(--accent);font:600 11px var(--mono)}
.is-replaying .demo-row{animation:row-in .35s both;animation-delay:calc(var(--row-index)*.16s)}
@keyframes row-in{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
.proof-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding:27px 34px;background:var(--panel);border:var(--border);border-radius:12px}
.proof-strip>div{display:flex;align-items:center;gap:18px}
.proof-strip>div+div{border-left:var(--border);padding-left:32px}
.proof-strip strong{font-size:32px;font-weight:600;letter-spacing:-.06em;line-height:1.1}
.proof-strip p{color:var(--muted);font-size:11px;line-height:1.7}
.section{padding-block:70px;border-bottom:var(--border)}
.section-head{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:end;margin-bottom:35px}
.section-head .eyebrow{font-size:10px}
.section-head p{color:var(--muted);font-size:15px}
.section>h2{margin-bottom:22px}
.section>p{max-width:70ch;color:var(--muted);font-size:15px;margin-top:18px}
.steps,.pipeline{display:grid;grid-template-columns:repeat(4,1fr);gap:27px;counter-reset:steps;list-style:none;padding:0;margin:0}
.step{border-top:var(--border);padding-top:22px}
.step:before{counter-increment:steps;content:"0" counter(steps);display:block;font:12px var(--mono);color:var(--accent);margin-bottom:22px}
.step p{font-size:14px;line-height:1.8;color:var(--muted);margin-top:12px}
.pipeline li+li{margin:0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.safety-section{margin-top:60px;padding:46px;border-radius:17px;background:var(--accent);color:var(--accent-ink);border:0}
.safety-section .section-number,.safety-section .source-note,.safety-section .rule-preview p,.safety-section a{color:inherit}
.safety-quote{font-size:clamp(32px,3.6vw,46px);font-weight:550;letter-spacing:-.05em;line-height:1.2;max-width:12ch}
.rule-preview{padding:0;margin:0;list-style:none}
.rule-preview li{padding:16px 0;border-bottom:1px solid color-mix(in srgb,currentColor 24%,transparent);margin:0}
.rule-preview li:first-child{padding-top:0}
.rule-preview strong{font-size:14px}
.rule-preview p{font:11px/1.8 var(--mono);margin-top:6px}
.local-copy p{font-size:15px;color:var(--muted);margin-top:18px}
.local-diagram,.learning-panel{padding:30px;background:var(--panel);border:var(--border);border-radius:12px}
.diagram-boundary{border:1px dashed var(--line);border-radius:9px;padding:24px 18px}
.diagram-label{font:10px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:22px}
.diagram-flow{display:flex;gap:10px;align-items:center}
.diagram-node{flex:1;padding:15px 8px;border:var(--border);border-radius:7px;background:var(--bg);text-align:center;font-size:12px}
.diagram-node small{display:block;font:9px/1.9 var(--mono);color:var(--muted);margin-top:6px}
.diagram-arrow{color:var(--muted)}
.diagram-caption{color:var(--muted);font-size:11px;text-align:center;margin-top:16px}
.learning-lede{margin-top:20px}
.learning-panel>p{color:var(--muted);font-size:13px;margin-top:14px}
.learning-comparison{display:grid;grid-template-columns:1fr 28px 1fr;gap:20px;align-items:center;border-top:var(--border);padding-top:24px;margin-top:24px}
.learning-comparison .value{font-size:45px;font-weight:600;line-height:1.1;letter-spacing:-.06em}
.learning-comparison small{display:block;font-size:13px;font-weight:500;letter-spacing:0;margin-top:7px}
.learning-comparison p{font-size:11px;color:var(--muted);margin-top:12px}
.arrow{font-size:24px;color:var(--muted)}
.demo-video{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border:var(--border);border-radius:12px;background:var(--panel)}
.video-caption{display:flex;justify-content:space-between;gap:20px;margin-top:16px;font-size:12px;color:var(--muted)}
.limitations{padding:28px 32px;margin-top:28px;border:var(--border);background:var(--panel);border-radius:12px}
.limitations h3{font-size:15px;letter-spacing:0}
.limitations ul{columns:2;column-gap:40px;font-size:14px;color:var(--muted);margin-bottom:0}
.limitations li{break-inside:avoid}
.closing-cta{display:flex;justify-content:space-between;align-items:center;gap:35px;padding-block:54px}
.closing-cta h2{font-size:31px}
.closing-cta p{font-size:14px;color:var(--muted);margin-top:12px}
.closing-cta .actions{margin:0}
.page-intro{margin-top:34px;padding:40px 44px;border:var(--border);border-radius:15px;background:var(--panel)}
.page-intro h1{max-width:20ch;font-size:clamp(38px,4.6vw,56px);letter-spacing:-.055em}
.page-intro .lede{margin-top:20px;font-size:17px;max-width:68ch}
.page-intro>p:not(.eyebrow):not(.lede){font-size:14px;color:var(--muted);max-width:77ch}
.docs-layout{display:grid;grid-template-columns:175px minmax(0,1fr);gap:46px;align-items:start;margin-top:42px}
.doc-rail{position:sticky;top:110px}
.page-contents>summary{font:600 10px var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--muted);list-style:none;cursor:pointer;padding:5px 0 18px}
.page-contents>summary::-webkit-details-marker,.nav-menu>summary::-webkit-details-marker{display:none}
.page-contents nav{display:grid;gap:4px}
.page-contents a{display:block;padding:9px 11px;border-left:2px solid transparent;color:var(--muted);font-size:12px;line-height:1.5;text-decoration:none}
.page-contents a:hover,.page-contents [aria-current=location]{color:var(--accent);background:var(--soft);border-color:var(--accent);border-radius:0 6px 6px 0}
.doc-content{min-width:0}
.doc-content .section{padding-block:0 46px;margin-bottom:42px}
.doc-content .section-head{display:block;margin-bottom:24px}
.doc-content .section-head>p{margin-top:16px;max-width:65ch}
.doc-content h2{font-size:29px;letter-spacing:-.035em}
.prose{max-width:65ch}
.prose p,.prose li{font-size:15px;color:var(--muted)}
.prose strong{color:var(--ink)}
.prose h3{margin:28px 0 14px}
.prose h2{margin-bottom:20px}
.callout{padding:23px 25px;background:var(--soft);border:var(--border);border-left:3px solid var(--accent);border-radius:9px;font-size:14px;margin-top:25px}
.callout h3{margin-bottom:12px}
.source-note{font-size:12px;line-height:1.85;color:var(--muted);margin-top:18px}
.source-note a{color:inherit}
.table-wrap{margin-top:24px;border:var(--border);border-radius:11px;overflow:hidden;background:var(--panel)}
.data-table{width:100%;border-collapse:collapse;text-align:left;font-size:13px;line-height:1.7}
.data-table caption{text-align:left;padding:16px 18px;font:11px/1.8 var(--mono);color:var(--muted);background:var(--bg);border-bottom:var(--border)}
.data-table th,.data-table td{padding:16px 17px;border-bottom:var(--border);vertical-align:top;font-variant-numeric:tabular-nums}
.data-table thead th{font-size:10px;font-weight:600;letter-spacing:.03em;line-height:1.6;color:var(--muted);background:var(--bg)}
.data-table tbody th{font-weight:600;font-size:13px;min-width:46px}
.data-table tbody tr:last-child>*{border-bottom:0}
.data-table .highlight{background:var(--soft)}
.data-table .highlight{font-weight:600}
.code-block{position:relative;padding:48px 23px 22px;border:var(--border);border-radius:10px;background:var(--panel);margin-block:20px}
.code-block:before{content:"TERMINAL / LOCAL";position:absolute;top:17px;left:23px;color:var(--muted);font:9px var(--mono);letter-spacing:.1em}
.copy-button{position:absolute;top:10px;right:12px;min-height:32px;padding:4px 11px;border:var(--border);border-radius:6px;background:var(--bg);color:var(--ink);font-size:11px}
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
.faq-list details{padding:22px 24px;border:var(--border);border-radius:12px;background:var(--panel)}
.faq-list details[open]{border-color:var(--accent)}
.faq-list summary{display:flex;align-items:start;justify-content:space-between;gap:18px;cursor:pointer;list-style:none;font-size:16px;font-weight:600;line-height:1.55}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";color:var(--accent);font-size:20px;line-height:1.2}
.faq-list details[open] summary:after{content:"−"}
.faq-list details p{font-size:14px;color:var(--muted);margin-top:18px}
.error-page{max-width:780px;margin:60px auto;min-height:50vh;display:grid;align-content:center}
.content-nav{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;margin-top:26px}
.site-footer{border-top:var(--border);padding:35px 0 24px;margin-top:18px;color:var(--muted);font-size:12px}
.footer-top{display:flex;justify-content:space-between;gap:28px;align-items:start}
.footer-top p{margin-top:9px}
.footer-nav{display:flex;gap:23px;flex-wrap:wrap}
.footer-nav a{color:var(--muted)}
.footer-meta{display:flex;justify-content:space-between;gap:24px;border-top:var(--border);padding-top:19px;margin-top:26px;font-size:10px;line-height:1.8}
@media(max-width:900px){html{scroll-padding-top:95px}
.header-inner{min-height:70px}
.brand{font-size:18px}
.header-tools{gap:12px}
.nav-menu>summary{display:block;border:var(--border);padding:6px 12px;border-radius:8px;background:var(--panel);font-size:12px;font-weight:600;list-style:none;cursor:pointer}
.nav-menu>summary:after{content:"+";margin-left:12px;color:var(--accent)}
.nav-menu[open]>summary:after{content:"−"}
.main-nav{position:absolute;top:calc(100% + 8px);left:32px;right:32px;display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:16px;background:var(--panel);border:var(--border);border-radius:12px;box-shadow:0 12px 24px #17271a14}
.main-nav a{padding:11px 12px;min-height:44px}
.hero{grid-template-columns:1fr;gap:38px;padding-block:42px}
.hero-copy{max-width:620px}
.hero-title{font-size:clamp(48px,7.5vw,66px);max-width:14ch}
.hero .lede{max-width:58ch}
.demo-ledger{max-width:700px}
.section{padding-block:50px}
.section-head{gap:25px}
.docs-layout{display:block;margin-top:24px}
.doc-rail{position:static;margin-bottom:32px}
.page-contents{border:var(--border);border-radius:9px;background:var(--panel);padding:14px 17px}
.page-contents>summary{padding:3px 0}
.page-contents>summary:after{content:"+";float:right;color:var(--accent);font-size:14px}
.page-contents[open]>summary:after{content:"−"}
.page-contents nav{grid-template-columns:1fr 1fr;margin-top:16px}
.doc-content .section{margin-bottom:30px;padding-bottom:36px}
.doc-content .pipeline{grid-template-columns:repeat(2,1fr)}
.page-intro{padding:32px}
.page-intro h1{font-size:45px}
.safety-section{padding:34px;margin-top:36px}
.proof-strip{padding:25px}
.proof-strip>div{gap:12px}
.closing-cta{align-items:start;flex-direction:column}}
@media(max-width:650px){.wrap{width:calc(100% - 32px)}
.header-inner{gap:12px;min-height:67px}
.brand{font-size:17px;gap:8px}
.theme-toggle{width:33px;height:33px}
.main-nav{left:16px;right:16px}
.hero{padding-block:34px 36px;gap:31px}
.hero-title{font-size:clamp(46px,11.5vw,60px)}
.hero .lede{font-size:16px;margin-top:21px}
.actions{gap:16px;margin-top:24px}
.button{font-size:12px;gap:13px;padding:11px 15px}
.ledger-head{padding:18px 16px}
.ledger-column-head{display:none}
.demo-row{padding:15px 14px;grid-template-columns:16px 1fr;gap:7px}
.demo-row.ready,.demo-row.review{padding-left:11px}
.demo-row>div{display:block}
.result-line{display:flex;align-items:start;justify-content:space-between;gap:9px}
.order-line{font-size:11px;max-width:24ch}
.status{font-size:9px;flex-shrink:0}
.row-result{font-size:12px;line-height:1.7;margin-top:6px}
.ledger-foot{padding:14px 16px}
.proof-strip{gap:15px;padding:21px 17px}
.proof-strip>div{display:block}
.proof-strip>div+div{padding-left:14px}
.proof-strip p{font-size:10px;margin-top:9px}
.section{padding-block:40px}
.section-head,.grid-2{grid-template-columns:1fr;gap:23px}
.steps,.pipeline{grid-template-columns:1fr 1fr;gap:24px}
.safety-section{padding:26px 23px;margin-top:24px}
.safety-quote{font-size:33px;max-width:15ch}
.local-diagram,.learning-panel{padding:22px}
.video-caption,.footer-top,.footer-meta{display:block}
.limitations{padding:23px}
.limitations ul{columns:1}
.page-intro{margin-top:23px;padding:26px 23px}
.page-intro h1{font-size:38px;line-height:1.12}
.page-contents nav{grid-template-columns:1fr}
.faq-list{grid-template-columns:1fr;gap:12px}
.footer-nav{margin-top:23px;gap:13px 22px}
.footer-meta p+p{margin-top:10px}
.table-wrap{border:0;border-radius:0;background:none;overflow:visible}
.data-table,.data-table tbody,.data-table tr,.data-table td,.data-table tbody th{display:block;width:100%}
.data-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.data-table caption{display:block;width:100%;padding:0 0 16px;background:none;border:0}
.data-table tbody tr{padding:18px 20px;background:var(--panel);border:var(--border);border-radius:10px;margin-bottom:12px}
.data-table td,.data-table tbody th{padding:9px 0;border:0}
.data-table tbody th,.data-table td:first-child{padding:0 0 12px;border-bottom:var(--border);margin-bottom:7px;font-size:15px;font-weight:600}
.data-table td:before{content:attr(data-label);display:block;color:var(--muted);font:600 9px/1.7 var(--mono);letter-spacing:.05em;text-transform:uppercase;margin-bottom:5px}
.data-table td:first-child:before{display:none}
.data-table .highlight{border-color:var(--accent)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}
.button:hover{transform:none}}
@media print{.site-header,.site-footer,.doc-rail,.actions,.copy-button,.replay-button{display:none!important}body{background:#fff;color:#000}
.wrap{width:100%}
.docs-layout{display:block}
.section{padding-block:24px}
.demo-ledger{box-shadow:none}a{color:inherit}}
/* Readability pass (15 Oct): raise the smallest text to at least 12px; sizes only, same fonts and colours. Placed last so it also overrides the mobile rules above. */
.brand small,.eyebrow,.section-number,.section-head .eyebrow,.ledger-head p,.ledger-mark,.ledger-column-head,.line-number,.status,.replay-button,.diagram-label,.diagram-node small,.page-contents>summary,.data-table caption,.data-table thead th,.data-table td:before,.code-block:before,.copy-button,.footer-meta{font-size:12px}
.hero-footnote,.ledger-foot p,.order-line,.row-result,.proof-strip p,.step:before,.rule-preview p,.diagram-node,.diagram-caption,.learning-comparison p,.video-caption,.source-note,.site-footer{font-size:13px}
.main-nav a,.nav-menu>summary,.page-contents a,.text-link,.button{font-size:14px}
@media(min-width:901px){.table-wrap{overflow-x:auto}}
.shot{margin-top:24px}
.shot img{display:block;width:100%;height:auto;border:var(--border);border-radius:11px}
.shot figcaption{margin-top:10px;font-size:13px;color:var(--muted)}
code{font-size:max(12px,.86em)}
.ledger-mark{white-space:nowrap}