@font-face{font-family:Line;src:url('/assets/line-regular.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:Line;src:url('/assets/line-bold.woff2') format('woff2');font-weight:700;font-display:swap}
:root{--bg:oklch(.985 .008 255);--surface:oklch(.992 .006 255);--soft:oklch(.955 .012 255);--ink:oklch(.345 .072 262);--muted:oklch(.470 .055 262);--accent:oklch(.520 .165 256);--line:oklch(.886 .018 256);--selected:oklch(.925 .027 255);--white:oklch(1 0 0);--ease:cubic-bezier(.16,1,.3,1);color-scheme:light;font-family:Line,'Helvetica Neue',sans-serif;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;font-size:16px;line-height:1.6}button,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:5px}button:disabled{cursor:default;opacity:.35}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:4px}h1,h2,h3,p{margin:0}h1,h2,h3{text-wrap:balance}p{text-wrap:pretty}button{color:inherit}img{max-width:100%}.wrap{width:min(1260px,calc(100% - 96px));margin-inline:auto}.site-header{height:102px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;gap:10px;align-items:center;font-size:20px;font-weight:700;letter-spacing:-.025em}.brand img{flex:none}.site-header nav{display:flex;gap:40px;font-size:14px}.nav-contact span{margin-left:8px}.hero{display:flex;align-items:flex-end;justify-content:space-between;padding-top:68px;padding-bottom:76px}.stage{font-size:13px;color:var(--muted);margin-bottom:24px}h1{font-size:clamp(44px,5.2vw,74px);line-height:1.08;font-weight:400;letter-spacing:-.038em}h1 span{color:var(--accent)}.intro{font-size:19px;line-height:1.65;color:var(--muted);margin-top:26px}.primary{display:inline-flex;align-items:center;gap:30px;background:var(--ink);color:var(--white);padding:13px 20px;border-radius:7px;font-size:14px;margin-top:30px;transition:background .2s,transform .2s var(--ease)}.primary:hover{background:var(--accent);text-decoration:none;transform:translateY(-2px)}.hero-aside{padding:0 16px 4px 40px;max-width:260px}.hero-aside p{font-size:18px;line-height:1.5;margin:10px 0}.reference-glyph{display:block;color:var(--accent);font-size:45px;line-height:1}.small{font-size:12px;color:var(--muted)}.example{scroll-margin-top:24px}.example-heading{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:18px}.example-heading h2{font-size:20px;font-weight:400;letter-spacing:-.02em}.example-heading p{font-size:12px;color:var(--muted)}.example-heading p span{margin:0 6px}.workspace{border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow:hidden}.workspace-top{height:60px;border-bottom:1px solid var(--line);padding:0 22px;display:flex;align-items:center;justify-content:space-between;gap:15px}.document-title{display:flex;align-items:center;gap:10px;font-size:13px;min-width:0}.document-title span{font-size:11px;color:var(--muted);margin-left:12px}.plain{border:0;background:none;padding:9px 0;font-size:12px;color:var(--muted)}.plain:hover{color:var(--accent);text-decoration:underline}.workspace-body{display:grid;grid-template-columns:170px minmax(300px,1fr) minmax(280px,.92fr);min-height:640px}.outline{padding:24px 12px;border-right:1px solid var(--line);display:flex;flex-direction:column}.outline-title{font-size:11px;color:var(--muted);margin:0 10px 14px}.topic{border:0;background:none;text-align:left;padding:11px 9px;border-radius:6px;font-size:12px;margin:2px 0;display:flex;gap:8px;align-items:center;transition:background .18s}.topic:hover{background:var(--soft)}.topic.active{background:var(--selected);color:var(--ink);font-weight:700}.topic-index{font-size:10px;color:var(--muted);width:12px}.source-file{margin:40px 9px 0;font-size:11px;line-height:1.6;display:flex;align-items:flex-start;gap:8px}.source-file small{font-size:10px;color:var(--muted)}.file-label{font-size:9px;font-weight:700;border:1px solid var(--line);padding:4px 3px;border-radius:3px;margin-top:3px}.note-pane{padding:23px 26px 22px;min-width:0}.pane-label{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px;color:var(--muted);font-size:11px;margin-bottom:34px}.pane-label span{font-size:10px}.note-kicker{font-size:11px;color:var(--muted);margin-bottom:9px}.note-pane h3{font-size:26px;line-height:1.2;letter-spacing:-.03em;margin-bottom:17px;font-weight:400}.note-pane article>p:not(.note-kicker){font-size:14px;line-height:1.8;margin-bottom:12px}.reference{display:inline-flex;align-items:center;border:1px solid var(--line);padding:4px 7px;border-radius:4px;background:var(--soft);font-size:10px;color:var(--ink);transition:background .18s,border-color .18s}.reference:hover{background:var(--selected);border-color:var(--accent)}.note-takeaway{margin:24px 0 16px;padding-top:20px;border-top:1px solid var(--line)}.note-takeaway strong{font-size:13px}.note-takeaway p{font-size:12px;line-height:1.8;margin-top:7px;color:var(--muted)}.related{display:flex;gap:7px;flex-wrap:wrap}.practice{margin-top:24px;border-block:1px solid var(--line)}#practice-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;text-align:left;border:0;background:none;padding:15px 0;font-size:12px}#practice-toggle>span:first-child{display:flex;align-items:center;gap:8px}.practice-symbol{display:inline-grid;place-items:center;width:18px;height:18px;border:1px solid var(--line);border-radius:50%;font-size:11px}#practice-body{font-size:12px;padding:0 0 16px}#practice-body>p{margin-bottom:12px}.answers{display:flex;gap:8px;margin:12px 0}.answers button{border:1px solid var(--line);border-radius:5px;background:var(--surface);min-height:36px;padding:4px 16px;font-size:12px}.answers button[aria-pressed=true]{background:var(--ink);color:var(--white);border-color:var(--ink)}#answer-feedback:empty{display:none}.personal-note{margin-top:19px}.personal-note label{display:block;font-size:12px;font-weight:700}.personal-note label span{display:block;font-size:10px;color:var(--muted);font-weight:400;margin-top:3px}textarea{width:100%;resize:vertical;min-height:67px;max-height:160px;background:var(--soft);color:var(--ink);border:1px solid var(--line);border-radius:5px;padding:10px;font-size:12px;line-height:1.6;margin-top:10px}textarea::placeholder{color:var(--muted)}.personal-note .small{font-size:10px;margin-top:3px}.pdf-pane{background:var(--soft);border-left:1px solid var(--line);display:flex;flex-direction:column;min-width:0}.pdf-toolbar{display:flex;align-items:center;justify-content:space-between;padding:23px 18px 18px;font-size:11px;gap:10px;color:var(--muted)}.pdf-toolbar a{color:var(--ink);font-size:10px}.pdf-stage{padding:4px 21px 10px;display:flex;align-items:flex-start;justify-content:center;flex:1}.pdf-stage img{display:block;width:100%;height:auto;max-height:480px;object-fit:contain;object-position:top;background:var(--white);box-shadow:0 2px 6px oklch(.35 .06 262 / .08)}.pdf-pagination{display:flex;justify-content:center;align-items:center;gap:26px;padding:14px 0 21px;font-size:11px;color:var(--muted)}.pdf-pagination button{width:34px;height:32px;border:1px solid var(--line);background:var(--surface);border-radius:5px}.pdf-pagination button:not(:disabled):hover{background:var(--selected)}.example-caption{text-align:center;font-size:12px;color:var(--muted);margin-top:18px}.idea{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding-block:110px 88px}.idea h2,.building h2{font-weight:400;font-size:clamp(28px,3.1vw,43px);line-height:1.22;letter-spacing:-.028em}.idea-copy{max-width:540px}.idea-copy p{font-size:16px;color:var(--muted);margin-bottom:20px;line-height:1.85}.idea-copy p:last-child{margin-bottom:0}.building{padding:52px 0 64px;display:grid;grid-template-columns:1fr 1fr;gap:80px;border-top:1px solid var(--line)}.building-label{font-size:12px;display:block;color:var(--muted);margin-bottom:19px}.building h2{font-size:34px}.building>div:last-child{padding-top:3px;max-width:540px}.building p{color:var(--muted);font-size:15px;line-height:1.85}.building p.small{font-size:12px;margin-top:20px}.text-link{display:inline-flex;gap:18px;font-size:14px;margin-top:25px;border-bottom:1px solid var(--line);padding-bottom:5px}footer{border-top:1px solid var(--line);padding-block:28px 36px;display:flex;align-items:center;gap:28px;font-size:12px;color:var(--muted)}footer .brand{margin-right:auto;font-size:16px;color:var(--ink)}dialog{max-width:530px;width:calc(100% - 40px);border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);padding:36px;line-height:1.8}dialog::backdrop{background:oklch(.2 .03 262 / .4)}dialog h2{font-size:24px;margin-bottom:20px}dialog p{font-size:14px;margin-block:15px}dialog a{font-size:14px;text-decoration:underline}.close-dialog{float:right;background:none;border:0;font-size:24px;padding:0 5px}.skip{position:absolute;top:8px;left:16px;transform:translateY(-200%);background:var(--ink);color:var(--white);padding:10px;z-index:20}.skip:focus{transform:none}[hidden]{display:none!important}@keyframes source-enter{from{opacity:.65;transform:translateY(3px)}to{opacity:1;transform:none}}.pdf-stage img.changing{animation:source-enter .32s var(--ease)}
@media(min-width:1440px){.hero{padding-top:82px}.workspace-body{grid-template-columns:190px minmax(340px,1fr) minmax(300px,.95fr)}}
@media(max-width:1050px){.wrap{width:calc(100% - 56px)}.workspace-body{grid-template-columns:145px minmax(270px,1fr) minmax(240px,.92fr)}.note-pane{padding-inline:20px}.document-title span{display:none}.pdf-stage{padding-inline:13px}.idea,.building{gap:42px}.hero-aside{padding-right:0}}
@media(max-width:820px){.hero-aside{display:none}.hero{padding-top:42px;padding-bottom:55px}.workspace-body{grid-template-columns:minmax(260px,1fr) minmax(230px,.85fr)}.outline{grid-column:1/-1;border-right:0;border-bottom:1px solid var(--line);flex-direction:row;gap:6px;padding:10px 14px;align-items:center}.outline-title,.source-file{display:none}.topic{margin:0;padding:9px;font-size:11px}.pane-label span{display:none}.workspace-body{min-height:0}.idea{padding-block:78px 60px}.idea,.building{grid-template-columns:1fr;gap:26px}.idea-copy,.building>div:last-child{max-width:100%}.building h2 br{display:none}.example-heading{align-items:flex-start;flex-direction:column;gap:4px}.building{padding-block:34px 46px}}
@media(max-width:580px){.wrap{width:calc(100% - 36px)}.site-header{height:78px}.site-header nav{gap:20px;font-size:12px}.site-header nav>a:first-child{display:none}.brand{font-size:19px}.hero{padding-top:33px;padding-bottom:44px}.stage{font-size:11px;margin-bottom:22px}h1{font-size:clamp(38px,10.7vw,59px)}.intro{font-size:16px;margin-top:22px}.primary{font-size:12px;padding:12px 16px;margin-top:23px}.workspace-top{padding:0 14px;height:54px}.document-title{font-size:12px}.plain{font-size:10px}.workspace-body{display:flex;flex-direction:column}.outline{padding:8px;gap:2px}.topic{flex:1;justify-content:center;white-space:nowrap;font-size:10px;padding:8px 4px}.topic-index{display:none}.note-pane{padding:22px}.pane-label{margin-bottom:23px}.note-pane h3{font-size:28px}.note-pane article>p:not(.note-kicker){font-size:14px}.reference{font-size:11px;min-height:32px}.note-takeaway p{font-size:13px}.pdf-pane{border-left:0;border-top:1px solid var(--line)}.pdf-toolbar{padding:18px 22px}.pdf-stage{padding:0 28px 10px}.pdf-stage img{max-height:none;max-width:360px}.pdf-pagination{padding-bottom:18px}.example-caption{font-size:11px;max-width:280px;margin:16px auto 0}.idea{padding-block:65px 42px}.idea h2{font-size:31px}.idea-copy p{font-size:14px;line-height:1.9}.building h2{font-size:29px}.building p{font-size:14px}footer{flex-wrap:wrap;gap:14px;font-size:11px;padding-block:24px}footer .brand{flex:1 0 100%;font-size:16px}footer>.plain{margin-left:auto}dialog{padding:24px}.example-heading h2{font-size:19px}.example-heading p{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

/* Working product demonstration */
.workspace-frame{display:block;width:100%;height:790px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.demo-open{font-size:12px;color:var(--accent)}.feature-details{display:grid;grid-template-columns:1fr 1fr;column-gap:80px;row-gap:30px;margin:42px 0 0;padding:0}.feature-details>div{padding-top:18px;border-top:1px solid var(--line)}.feature-details dt{font-size:16px;font-weight:700;margin-bottom:9px}.feature-details dd{margin:0;color:var(--muted);font-size:14px;line-height:1.8;max-width:48ch}@media(max-width:760px){.workspace-frame{height:740px}.feature-details{gap:22px;margin-top:30px;grid-template-columns:1fr}.feature-details dt{font-size:15px}.feature-details dd{font-size:13px}.example-heading{flex-direction:row;align-items:center}.example-heading h2{max-width:220px}.demo-open{font-size:10px;white-space:nowrap}}

/* Existing StacKnot symbol + custom outlined wordmark. Source: stacknot_design/brand.css. */
.brand{color:#1A3A6B;gap:10px;flex-shrink:0}.brand-symbol,.brand-wordmark{display:inline-block;flex:none;background:currentColor;overflow:hidden;white-space:nowrap}.brand-symbol{width:31px;height:31px;-webkit-mask:url('/assets/mark.svg') center/contain no-repeat;mask:url('/assets/mark.svg') center/contain no-repeat}.brand-wordmark{width:139px;height:32px;color:inherit;-webkit-mask:url('/assets/wordmark.svg') center/contain no-repeat;mask:url('/assets/wordmark.svg') center/contain no-repeat;font-size:0;line-height:0}
footer .brand-symbol{width:25px;height:25px}footer .brand-wordmark{width:116px;height:27px}@media(max-width:580px){.site-header .brand-symbol{width:28px;height:28px}.site-header .brand-wordmark{width:124px;height:29px}}