@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.fixed{position:fixed}.static{position:static}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.contents{display:contents}.table{display:table}}:root{--paper:#f3f0e7;--paper-raised:#faf8f1;--ink:#1c211f;--muted:#5c625f;--rule:#b8bbb4;--rule-strong:#6f746f;--signal:#1747d1;--signal-deep:#123ba9;--signal-soft:#e2e8f9;--serif:Georgia, "Times New Roman", serif;--sans:Arial, Helvetica, sans-serif;--mono:"SFMono-Regular", Consolas, "Liberation Mono", monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;margin:0}a{color:inherit;text-decoration:none}p{line-height:1.68}::selection{background:var(--signal);color:#fff}.blueprint-grid{background-image:linear-gradient(#1c211f0b 1px,#0000 1px),linear-gradient(90deg,#1c211f0b 1px,#0000 1px);background-size:32px 32px}.site-header{z-index:20;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--rule-strong);background:#f3f0e7f2;grid-template-columns:1fr auto 1fr;align-items:center;gap:2rem;min-height:82px;padding:0 3.25rem;display:grid;position:sticky;top:0}.brand{letter-spacing:-.02em;align-items:center;gap:.75rem;font-weight:700;display:flex}.brand-mark{background:var(--signal);color:#fff;letter-spacing:.08em;place-items:center;width:32px;height:32px;font-size:.7rem;display:grid}.brand small{font:500 .63rem/1 var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.site-header nav{gap:1.5rem;font-size:.73rem;display:flex}.site-header nav a{white-space:nowrap;padding:2rem 0;position:relative}.site-header nav a:after{content:"";background:var(--signal);height:2px;transition:right .18s;position:absolute;bottom:1.2rem;left:0;right:100%}.site-header nav a:hover:after,.site-header nav a:focus-visible:after{right:0}.header-cta{color:var(--signal);border-bottom:1px solid var(--signal);justify-self:end;padding-bottom:.2rem;font-size:.74rem;font-weight:700}.hero{border-bottom:1px solid var(--rule-strong);grid-template-columns:minmax(0,1fr);align-items:center;min-height:560px;padding:6rem 3.25rem 4.5rem;display:grid}.eyebrow{color:var(--signal);font:700 .68rem/1.2 var(--mono);letter-spacing:.12em;text-transform:uppercase;margin-bottom:1.15rem;display:block}.hero h1{max-width:980px;font:400 clamp(3.8rem, 6.7vw, 7rem)/.9 var(--serif);letter-spacing:-.065em;margin:0}.hero-lede{max-width:780px;color:var(--muted);margin:2.1rem 0 0;font-size:clamp(1.05rem,1.5vw,1.35rem);line-height:1.55}.metric-strip{border-bottom:1px solid var(--rule-strong);grid-template-columns:repeat(3,1fr);display:grid}.metric-strip>div{border-right:1px solid var(--rule-strong);grid-template-columns:56px 1fr;align-content:center;min-height:160px;padding:1.5rem 3.25rem;display:grid}.metric-strip>div:last-child{border-right:0}.metric-strip strong{color:var(--signal);font:400 1rem var(--mono);grid-row:1/3}.metric-strip span{font:400 1.5rem var(--serif)}.metric-strip p{color:var(--muted);margin:.5rem 0 0;font-size:.72rem;line-height:1.5}.spec-shell{border-bottom:1px solid var(--rule-strong);grid-template-columns:250px minmax(0,1fr);gap:clamp(3rem,7vw,8rem);max-width:1540px;margin:0 auto;padding:5rem 3.25rem 7rem;display:grid}.spec-toc{align-self:start;position:sticky;top:120px}.spec-toc ol{border-top:1px solid var(--rule-strong);margin:0;padding:0;list-style:none}.spec-toc li{border-bottom:1px solid var(--rule)}.spec-toc a{color:var(--muted);grid-template-columns:32px 1fr;gap:.65rem;padding:.75rem 0;font-size:.69rem;line-height:1.35;transition:color .16s,padding-left .16s;display:grid}.spec-toc a span{color:var(--signal);font-family:var(--mono)}.spec-toc a:hover,.spec-toc a:focus-visible{color:var(--ink);padding-left:.35rem}.source-seal{border:1px solid var(--rule-strong);background:var(--paper-raised);margin-top:1.5rem;padding:1rem}.source-seal span{color:var(--muted);font:.58rem var(--mono);text-transform:uppercase;letter-spacing:.08em;margin-bottom:.45rem;display:block}.source-seal code{color:var(--signal);font:.72rem var(--mono)}.markdown-spec{min-width:0}.spec-provenance{border:1px solid var(--rule-strong);background:var(--paper-raised);color:var(--muted);font:.6rem var(--mono);text-transform:uppercase;letter-spacing:.08em;grid-template-columns:1fr auto 1fr;align-items:center;gap:1rem;margin-bottom:5rem;padding:.85rem 1rem;display:grid}.spec-provenance strong{color:var(--signal)}.spec-provenance span:last-child{text-align:right}.markdown-spec>h1{font:400 clamp(3rem, 5vw, 5.6rem)/.96 var(--serif);letter-spacing:-.05em;margin:0 0 3rem}.markdown-spec>h2{border-top:2px solid var(--ink);border-bottom:1px solid var(--rule);font:400 clamp(2.4rem, 4.4vw, 4.8rem)/.98 var(--serif);letter-spacing:-.045em;margin:7rem 0 2rem;padding:1rem 0 1.2rem;scroll-margin-top:110px}.markdown-spec>h2:first-of-type{margin-top:0}.markdown-spec>h3{color:var(--signal);font:400 clamp(1.65rem, 2.4vw, 2.5rem)/1.1 var(--serif);margin:3.8rem 0 1.25rem;scroll-margin-top:110px}.markdown-spec>p{max-width:920px;color:var(--muted);margin:1.1rem 0;font-size:.95rem}.markdown-spec strong{color:var(--ink)}.markdown-spec a{color:var(--signal);text-underline-offset:.18em;text-decoration:underline}.markdown-spec :not(pre)>code{background:var(--signal-soft);color:var(--signal-deep);font:.85em var(--mono);padding:.15em .35em}.markdown-spec>ul,.markdown-spec>ol{max-width:940px;margin:1.5rem 0 2rem;padding-left:1.35rem}.markdown-spec>ul li,.markdown-spec>ol li{color:var(--muted);margin:.7rem 0;padding-left:.45rem;font-size:.91rem;line-height:1.6}.markdown-spec>ol li::marker{color:var(--signal);font-family:var(--mono)}.markdown-spec>blockquote{border-left:6px solid var(--signal);background:var(--signal-soft);margin:4rem 0;padding:2rem 2.25rem}.markdown-spec>blockquote p{color:var(--ink);font:400 clamp(1.45rem, 2.6vw, 2.7rem)/1.2 var(--serif);margin:0}.markdown-spec>hr{border:0;border-top:1px solid var(--rule-strong);margin:4rem 0}.markdown-spec>pre,.spec-diagram details pre{background:var(--ink);color:#f6f2e8;border:1px solid var(--ink);font:.72rem/1.7 var(--mono);margin:1.5rem 0 2.5rem;padding:1.5rem;overflow:auto}.spec-table-wrap{border:1px solid var(--rule-strong);background:var(--paper-raised);margin:2rem 0 3rem;overflow-x:auto}.spec-table-wrap table{border-collapse:collapse;width:100%;min-width:660px}.spec-table-wrap th,.spec-table-wrap td{border-right:1px solid var(--rule);border-bottom:1px solid var(--rule);text-align:left;vertical-align:top;padding:1rem;font-size:.75rem;line-height:1.55}.spec-table-wrap th:last-child,.spec-table-wrap td:last-child{border-right:0}.spec-table-wrap tr:last-child td{border-bottom:0}.spec-table-wrap th{background:var(--ink);color:#fff;font:700 .64rem var(--mono);text-transform:uppercase;letter-spacing:.07em}.spec-table-wrap td:first-child{color:var(--signal);font-weight:700}.spec-diagram{background:var(--paper-raised);border:1px solid var(--rule-strong);margin:2.5rem 0 4rem}.spec-diagram-label{border-bottom:1px solid var(--rule);color:var(--muted);font:.58rem var(--mono);text-transform:uppercase;letter-spacing:.08em;justify-content:space-between;gap:1rem;padding:.85rem 1rem;display:flex}.mermaid-diagram{place-items:center;min-height:440px;padding:2.5rem 1rem;display:grid;overflow:auto}.mermaid-diagram svg{min-width:760px;max-width:100%;height:auto}.diagram-loading{color:var(--muted);font:.68rem var(--mono);letter-spacing:.08em;text-transform:uppercase}.diagram-fallback{background:var(--paper);color:var(--ink);font:.72rem/1.6 var(--mono);margin:0;padding:2rem;overflow:auto}.spec-diagram details{border-top:1px solid var(--rule)}.spec-diagram summary{cursor:pointer;color:var(--signal);font:.62rem var(--mono);text-transform:uppercase;letter-spacing:.08em;padding:.85rem 1rem}.spec-diagram details pre{border:0;max-height:340px;margin:0}footer{grid-template-columns:1fr auto 1fr;align-items:center;gap:2rem;min-height:118px;padding:0 3.25rem;display:grid}footer .footer-spec{color:var(--muted);font:.63rem var(--mono);text-transform:uppercase}footer>a:last-child{color:var(--signal);justify-self:end;font-size:.7rem}@media (max-width:1120px){.site-header{grid-template-columns:1fr auto}.site-header nav{display:none}.metric-strip>div{padding:1.25rem}.spec-shell{grid-template-columns:210px minmax(0,1fr);gap:3rem}}@media (max-width:780px){html{scroll-padding-top:78px}.site-header{min-height:68px;padding:0 1rem}.brand small,.header-cta{display:none}.hero{min-height:auto;padding:4.5rem 1rem 3rem}.hero h1{font-size:clamp(3.25rem,15vw,5.3rem)}.metric-strip{grid-template-columns:1fr}.metric-strip>div{border-right:0;border-bottom:1px solid var(--rule-strong)}.metric-strip>div:last-child{border-bottom:0}.spec-shell{grid-template-columns:1fr;gap:3rem;padding:3.5rem 1rem 5rem}.spec-toc{position:static}.spec-toc ol{columns:2;column-gap:1.5rem}.spec-toc li{break-inside:avoid}.source-seal{display:none}.spec-provenance{grid-template-columns:1fr;margin-bottom:4rem}.spec-provenance span:last-child{text-align:left}.markdown-spec>h2{margin-top:5rem;font-size:clamp(2.4rem,12vw,4rem)}.spec-diagram-label{flex-direction:column}.mermaid-diagram{justify-content:start;min-height:340px;padding:1rem}.mermaid-diagram svg{min-width:680px}footer{grid-template-columns:1fr auto;padding:1.5rem 1rem}footer .footer-spec{display:none}}@media (max-width:480px){.spec-toc ol{columns:1}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}