.gd-figure{border:1px solid var(--rule-strong)}.gd-graphic{background:var(--bg);color:var(--fg);font-family:var(--font-sans);padding:clamp(20px,3vw,36px);container:guide-diagram/inline-size}.gd-graphic :is(p,ul,ol){margin:0}.gd-graphic .gd-label,.gd-band-label{font:400 10px/1.7 var(--font-mono);letter-spacing:.045em;text-transform:uppercase;color:var(--fg-dim)}.gd-heading{border-bottom:1px solid var(--rule-strong);padding-bottom:28px}.gd-heading .gd-label span{color:var(--accent);padding-inline:8px}.gd-headline{font:600 clamp(24px,2.6vw,36px)/1.08 var(--font-sans);letter-spacing:-.045em;max-width:28ch;margin-top:16px!important}.gd-band{margin-top:28px}.gd-band-label{color:var(--accent);margin-bottom:16px!important}.gd-nodes{grid-template-columns:repeat(var(--gd-columns), minmax(0,1fr));display:grid}.gd-cell{min-width:0;position:relative}.gd-node{min-width:0}.gd-mark{width:72px;height:58px;color:var(--fg);margin-bottom:24px}.gd-node>.gd-label{margin-bottom:8px}.gd-node-title{font:550 21px/1.17 var(--font-sans);letter-spacing:-.025em;max-width:28ch}.gd-node-text{font:400 15px/1.6 var(--font-sans);color:var(--fg-dim);margin-top:12px!important}.gd-node.is-emphasis>.gd-node-title{color:var(--accent)}.gd-node-items{padding:0;list-style:none;margin-top:16px!important}.gd-node-items li{border-top:1px solid var(--rule);font:400 13px/1.6 var(--font-sans);color:var(--fg-dim);overflow-wrap:anywhere;padding-block:7px}.gd-token{border-left:2px solid var(--accent);font:400 12px/1.6 var(--font-mono);color:var(--fg);overflow-wrap:anywhere;background:0 0;margin-top:16px;padding:9px 12px;display:block}.gd-steps .gd-cell{padding-right:28px}.gd-steps .gd-cell:not(:first-child){border-left:1px solid var(--rule);padding-left:24px}.gd-steps .gd-cell:last-child{padding-right:0}.gd-connector{min-height:24px;color:var(--accent);font:400 10px/1.5 var(--font-mono);align-items:center;gap:8px;margin-top:18px;display:flex}.gd-connector svg{flex:0 0 20px;width:20px;height:16px}.gd-connector span:empty{display:none}.gd-compare{border-block:1px solid var(--rule)}.gd-compare .gd-cell{padding:24px 24px 24px 0}.gd-compare .gd-cell+.gd-cell{border-left:1px solid var(--rule);padding-left:24px;padding-right:0}.gd-grid{border-top:1px solid var(--rule);border-left:1px solid var(--rule);gap:0}.gd-grid .gd-cell{border-right:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:24px}.gd-grid .gd-mark{width:58px;height:46px;margin-bottom:20px}.gd-result{background:var(--fg);color:var(--bg);padding:28px}.gd-result .gd-node{grid-template-columns:72px minmax(0,1fr);column-gap:24px;display:grid}.gd-result .gd-node>*{grid-column:2}.gd-result .gd-node:not(:has(.gd-mark)){display:block}.gd-result .gd-node .gd-mark{color:var(--bg);grid-area:1/1/span 5;margin:0}.gd-result .gd-node-title,.gd-result .is-emphasis>.gd-node-title{color:var(--bg);font-size:25px}.gd-result .gd-node-text,.gd-result .gd-node-items li,.gd-result .gd-token{color:var(--bg)}.gd-result .gd-node-items{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px;display:grid}.gd-result .gd-node-items li{border-color:#c4bfb6}.gd-result .gd-token{border-color:var(--bg)}.gd-route{border-block:1px solid var(--rule)}.gd-route .gd-cell{padding:18px 20px 18px 0}.gd-route .gd-node-title{font-size:18px}.gd-route .gd-node-text{font-size:13px;margin-top:6px!important}.gd-route .gd-connector{margin-top:8px}.gd-band-route .gd-route{grid-template-columns:repeat(5,minmax(0,1fr))}.gd-band-route .gd-route:has(>.gd-cell:nth-child(3):last-child){grid-template-columns:repeat(3,minmax(0,1fr))}.gd-band-note{font:400 13px/1.6 var(--font-sans);color:var(--fg-dim);margin-top:14px!important}.gd-decisions{border-top:1px solid var(--rule);padding:0;list-style:none}.gd-decisions>li{border-bottom:1px solid var(--rule);grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:24px;padding:24px 0;display:grid}.gd-decisions .gd-mark{float:left;width:48px;height:40px;margin-bottom:12px;margin-right:18px}.gd-decisions .gd-node-text{clear:both}.gd-decision-answer{border-left:1px solid var(--rule);align-content:center;gap:16px;padding-left:20px;display:grid}.gd-decision-answer p{font:400 13px/1.5 var(--font-sans);color:var(--fg-dim);grid-template-columns:25px 20px minmax(0,1fr);gap:10px;display:grid}.gd-decision-answer svg{width:16px;height:20px;color:var(--accent)}.gd-decision-answer strong{color:var(--fg);font-weight:500}.gd-network{grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);align-items:center;gap:48px;display:grid}.gd-network-hub{background:var(--fg);color:var(--bg);padding:28px;position:relative}.gd-network-hub .gd-node-text,.gd-network-hub .gd-mark{color:var(--bg)}.gd-network-hub:after{content:"";background:var(--fg-dim);width:48px;height:1px;position:absolute;top:50%;right:-48px}.gd-network-links{border-left:1px solid var(--fg-dim);padding:0;list-style:none}.gd-network-links li{padding:14px 0 14px 32px;position:relative}.gd-link-line{border-top:1px solid var(--fg-dim);width:20px;position:absolute;top:37px;left:0}.gd-network-links .is-inferred .gd-link-line{border-top:2px dashed var(--accent)}.gd-network-links .gd-node-title{margin-top:4px;font-size:20px}.gd-network-links .gd-node-text{font-size:13px;margin-top:5px!important}.gd-network-links .is-inferred .gd-label{color:var(--accent)}.gd-caveat{border-top:1px solid var(--rule-strong);color:var(--fg-dim);font:400 13px/1.7 var(--font-sans);padding-top:20px;margin-top:28px!important}.gd-caption{border-top:1px solid var(--rule);grid-template-columns:minmax(0,1fr) auto;gap:14px 24px;display:grid;padding:24px!important}.gd-caption-title{font:550 17px/1.4 var(--font-sans)}.gd-caption>div>p+p{color:var(--fg-dim);font:400 13px/1.6 var(--font-sans);margin-top:8px}.gd-caption .ig-diagram-description{grid-column:1/-1;margin-top:0}.gd-caption .ig-diagram-description p{max-width:70ch}.gd-open{align-self:start;gap:20px}.gd-open span{color:var(--accent);font-size:22px;line-height:1}.gd-open:hover span{color:inherit}.gd-open:not([data-ready]){display:none}.ig-dialog-canvas:has(.gd-graphic){background:var(--bg);max-height:none;overflow:visible}.ig-diagram-dialog:has(.gd-graphic){max-width:1200px}.ig-diagram-dialog:has(.gd-graphic) .ig-dialog-header{z-index:2;background:var(--bg);position:sticky;top:0}@container guide-diagram (width<=640px){.gd-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.gd-steps .gd-cell,.gd-steps .gd-cell:not(:first-child){border-left:0;padding:0}.gd-steps .gd-cell{border-top:1px solid var(--rule);padding-top:20px!important}.gd-steps .gd-cell:nth-child(2n) .gd-connector svg{transform:rotate(90deg)}.gd-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.gd-grid .gd-cell{padding:20px}.gd-network{gap:24px}.gd-network-hub{padding:20px}.gd-network-hub:after{width:24px;right:-24px}.gd-node-title{font-size:20px}.gd-decisions>li{grid-template-columns:1fr;gap:20px}.gd-decision-answer{border-left:0;padding-left:0}.gd-result{padding:22px}.gd-result .gd-node-items{grid-template-columns:1fr}}@container guide-diagram (width<=430px){.gd-headline{font-size:27px}.gd-nodes,.gd-band-route .gd-route,.gd-band-route .gd-route:has(>.gd-cell:nth-child(3):last-child){grid-template-columns:1fr}.gd-steps{gap:0}.gd-steps .gd-cell{padding:22px 0!important}.gd-steps .gd-cell:first-child{border-top:0;padding-top:0!important}.gd-steps .gd-connector svg,.gd-route .gd-connector svg{transform:rotate(90deg)}.gd-compare .gd-cell,.gd-compare .gd-cell+.gd-cell{border-left:0;padding:24px 0}.gd-compare .gd-cell+.gd-cell{border-top:1px solid var(--rule)}.gd-node-title{font-size:23px}.gd-node-text{font-size:16px}.gd-mark{width:64px;height:52px;margin-bottom:20px}.gd-result .gd-node{display:block}.gd-result .gd-node .gd-mark{margin-bottom:20px}.gd-result .gd-node-title{font-size:25px}.gd-route .gd-cell{border-bottom:1px solid var(--rule);justify-content:space-between;align-items:center;gap:16px;padding:16px 0;display:flex}.gd-route .gd-cell:last-child{border-bottom:0}.gd-route .gd-connector{margin:0}.gd-network{grid-template-columns:1fr;gap:24px}.gd-network-hub:after{width:1px;height:24px;top:100%;left:0;right:auto}.gd-network-links{margin-left:0!important}}@media (width<=620px){.gd-caption{grid-template-columns:1fr;padding:20px!important}.gd-caption .gd-open{justify-self:start}}@media print{.gd-open{display:none!important}.gd-graphic{break-inside:avoid}}.gd-sources{border-top:1px solid var(--rule);padding-top:18px}.gd-sources ul{flex-wrap:wrap;gap:8px 24px;margin:12px 0 0;padding:0;list-style:none;display:flex}.gd-sources li{max-width:100%;font:400 13px/1.7 var(--font-sans)}.gd-sources a{color:inherit;text-underline-offset:4px;overflow-wrap:anywhere;text-decoration:underline}.guide-deck-embed[data-astro-cid-bucmczqq]{margin-block:0 32px}.guide-deck-embed[data-astro-cid-bucmczqq]>header[data-astro-cid-bucmczqq]{border-top:1px solid var(--rule-strong);justify-content:space-between;align-items:center;gap:20px;padding-block:18px;display:flex}.guide-deck-embed[data-astro-cid-bucmczqq]>header[data-astro-cid-bucmczqq] h2[data-astro-cid-bucmczqq]{letter-spacing:-.025em;margin:0;font:600 20px/1.2 Helvetica,Arial,sans-serif}.guide-deck-embed[data-astro-cid-bucmczqq]>header[data-astro-cid-bucmczqq] p[data-astro-cid-bucmczqq]{color:var(--fg-dim);margin:6px 0 0;font:14px/1.5 Helvetica,Arial,sans-serif}.guide-deck-embed[data-astro-cid-bucmczqq]>header[data-astro-cid-bucmczqq] a[data-astro-cid-bucmczqq]{min-height:44px;color:var(--fg);text-underline-offset:5px;align-items:center;font:14px/1.5 Helvetica,Arial,sans-serif;display:inline-flex}.guide-reading-start[data-astro-cid-bucmczqq]{padding:20px 0 28px;scroll-margin-top:24px}.guide-reading-start[data-astro-cid-bucmczqq] p[data-astro-cid-bucmczqq]{font:11px/1.5 var(--font-mono);text-transform:uppercase;letter-spacing:.055em;color:var(--accent)}@media (width<=600px){.guide-deck-embed[data-astro-cid-bucmczqq]>header[data-astro-cid-bucmczqq]{flex-direction:column;align-items:flex-start;gap:8px}.guide-deck-embed[data-astro-cid-bucmczqq]>header[data-astro-cid-bucmczqq] a[data-astro-cid-bucmczqq]{min-height:36px}}.identity-guide{width:calc(100% - var(--page-padding) * 2);max-width:1504px;padding-block:30px var(--site-section-gap);font-family:var(--font-sans);margin-inline:auto}.identity-guide :is(h1,h2,h3,h4,h5,h6,p,figure,ol,dl,dd){margin:0}.identity-guide :is(h1,h2,h3,h4,h5,h6){color:var(--fg);font-family:var(--font-sans)}.identity-guide p{max-width:none}.identity-guide a,.ig-diagram-dialog a{text-underline-offset:5px;text-decoration-thickness:1px}.identity-guide :is(section,article)[id]{scroll-margin-top:28px}.identity-guide [hidden],.ig-diagram-dialog [hidden]{display:none!important}.ig-label{font:400 11px/1.65 var(--font-mono);letter-spacing:.055em;text-transform:uppercase;color:var(--fg-dim)}.ig-breadcrumb{font:400 12px/1.7 var(--font-mono);color:var(--fg-dim);flex-wrap:wrap;gap:14px;display:flex}.ig-breadcrumb a{min-height:32px}.ig-draft{border-block:1px solid var(--rule);font:400 11px/1.8 var(--font-mono);text-transform:uppercase;letter-spacing:.045em;color:var(--fg-dim);flex-wrap:wrap;gap:8px;padding:12px 0;display:flex;margin-top:22px!important}.ig-hero{grid-template-columns:minmax(0,1fr) minmax(240px,29%);align-items:center;gap:6%;padding-block:clamp(42px,6vw,90px);display:grid}.ig-hero h1{letter-spacing:-.065em;max-width:17ch;margin-block:22px 28px;font-size:clamp(44px,6.3vw,96px);font-weight:650;line-height:.99}.ig-hero h1 em,.ig-section-heading h2 em,.ig-premise h2 em{color:var(--accent);font:italic 400 1.1em/.95 var(--font-serif);letter-spacing:-.035em}.ig-stop{color:var(--accent);font-style:normal}.ig-standfirst{letter-spacing:-.015em;font-size:clamp(20px,1.8vw,26px);line-height:1.48;max-width:45ch!important}.ig-intro{color:var(--fg-dim);font-size:17px;line-height:1.75;max-width:63ch!important;margin-top:22px!important}.ig-hero-links{flex-wrap:wrap;align-items:center;gap:18px 28px;margin-top:30px;font-size:14px;display:flex}.ig-hero-links>a{align-items:center;min-height:46px;display:inline-flex}.ig-button{border:1px solid var(--rule-strong);min-height:46px;color:var(--fg);background:var(--bg);font:400 14px/1.5 var(--font-sans);cursor:pointer;border-radius:0;justify-content:center;align-items:center;gap:20px;padding:11px 17px;text-decoration:none;display:inline-flex}.ig-button-primary{background:var(--accent);border-color:var(--accent);color:var(--bg)}.ig-button:hover{color:var(--bg);background:var(--fg);border-color:var(--fg)}.ig-hero-aside{border-top:1px solid var(--rule);padding-top:16px}.ig-identity-mark{aspect-ratio:1;width:100%;max-width:340px;margin:0 auto 22px}.ig-hero-aside>p:last-child{color:var(--fg-dim);margin-top:14px;font-size:15px;line-height:1.65}.ig-premise{background:var(--fg);color:var(--bg);grid-template-columns:minmax(0,1fr) minmax(0,1.55fr);gap:clamp(26px,5vw,76px);padding:clamp(24px,3.3vw,48px);display:grid}.ig-premise .ig-label{color:var(--bg)}.ig-premise h2{letter-spacing:-.045em;color:var(--bg);max-width:17ch;margin-top:20px;font-size:clamp(28px,3vw,43px);font-weight:600;line-height:1.08}.ig-premise h2 em{color:var(--bg)}.ig-premise>div:last-child{align-content:center;gap:16px;display:grid}.ig-premise>div:last-child p{font-size:18px;line-height:1.65}.ig-flow{margin-top:clamp(48px,6vw,80px)!important}.ig-flow figcaption h2{letter-spacing:-.035em;margin-top:14px;font-size:clamp(26px,2.7vw,36px);font-weight:550;line-height:1.12}.ig-flow figcaption>p:last-child{color:var(--fg-dim);max-width:70ch;margin-top:16px;font-size:16px;line-height:1.7}.ig-flow ol{border:1px solid var(--rule);grid-template-columns:repeat(5,minmax(0,1fr));margin-top:28px;padding:0;list-style:none;display:grid}.ig-flow li{border-right:1px solid var(--rule);min-width:0;padding:clamp(18px,2vw,30px);position:relative}.ig-flow li:last-child{border-right:0}.ig-flow-number{font:400 11px/1 var(--font-mono);color:var(--fg-dim)}.ig-flow h3{letter-spacing:-.025em;margin-top:24px;font-size:22px;font-weight:550}.ig-flow li p{color:var(--fg-dim);margin-top:10px;font-size:15px;line-height:1.6}.ig-flow-mark{align-items:center;gap:5px;height:38px;margin-top:24px;display:flex}.ig-flow-mark i{background:var(--fg);width:18px;height:18px;display:block}.ig-flow-mark i:last-child{background:var(--accent)}.ig-flow-mark-collect i{border-radius:50%}.ig-flow-mark-collect i:nth-child(2){width:30px;height:30px}.ig-flow-mark-recognise i{height:30px}.ig-flow-mark-recognise i:nth-child(2){border-radius:50%;width:30px}.ig-flow-mark-match{gap:0}.ig-flow-mark-match i{border-radius:50%;width:28px;height:28px}.ig-flow-mark-match i:nth-child(2){border-radius:0;width:18px;height:8px}.ig-flow-mark-decide i{width:23px;height:23px}.ig-flow-mark-decide i:nth-child(2){width:16px;height:8px}.ig-flow-mark-measure{align-items:end;padding-bottom:3px}.ig-flow-mark-measure i{width:18px;height:18px}.ig-flow-mark-measure i:nth-child(2){height:25px}.ig-flow-mark-measure i:last-child{height:34px}.ig-flow-caveat{border-bottom:1px solid var(--rule);color:var(--fg-dim);padding:20px 0;font-size:15px;line-height:1.7}.ig-flow-caveat strong{color:var(--fg);font-weight:500}.ig-contents{padding-top:var(--site-section-gap)}.ig-section-heading{margin-bottom:34px}.ig-section-heading h2{font:600 clamp(32px,3.4vw,50px)/1.05 var(--font-sans);letter-spacing:-.05em;max-width:24ch;margin-top:15px}.ig-section-heading>p:last-child{color:var(--fg-dim);max-width:70ch;margin-top:20px;font-size:17px;line-height:1.7}.ig-part-grid{border-top:1px solid var(--rule);border-left:1px solid var(--rule);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.ig-part{border-right:1px solid var(--rule);border-bottom:1px solid var(--rule);min-width:0;padding:clamp(22px,2.5vw,36px)}.ig-part h3{letter-spacing:-.04em;margin-top:14px;font-size:27px;font-weight:550;line-height:1.15}.ig-part ol{margin-top:24px;padding:0;list-style:none}.ig-part li+li{border-top:1px solid var(--rule)}.ig-part a{grid-template-columns:24px minmax(0,1fr);gap:12px;min-height:46px;padding:12px 0;font-size:15px;line-height:1.5;text-decoration:none;display:grid}.ig-part a>span:first-child{color:var(--accent);font:400 11px/1.9 var(--font-mono)}.ig-part a>span:last-child{text-decoration:underline;text-decoration-color:var(--rule-strong);text-underline-offset:4px}.ig-part a:hover{color:var(--accent)}.ig-reading-layout{margin-top:var(--site-section-gap);grid-template-columns:minmax(180px,22%) minmax(0,1fr);gap:clamp(36px,5vw,80px);display:grid}.ig-sidebar{min-width:0}.ig-sidebar nav{border-top:1px solid var(--rule);max-height:calc(100vh - 56px);padding:24px 12px 12px 0;position:sticky;top:28px;overflow-y:auto}.ig-sidebar-overview{align-items:center;min-height:44px;margin-top:8px;font-size:14px;display:inline-flex}.ig-sidebar ol{margin-top:14px;padding:0;list-style:none}.ig-sidebar li{border-top:1px solid var(--rule)}.ig-sidebar li a{color:var(--fg);padding:14px 0;font-size:14px;line-height:1.5;text-decoration:none;display:block}.ig-sidebar li a span{color:var(--fg-dim);font:400 10px/1.6 var(--font-mono);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px;display:block}.ig-sidebar li a:hover{color:var(--accent)}.ig-sidebar-utilities{border-top:1px solid var(--rule);padding-top:14px;display:grid}.ig-sidebar-utilities a{min-height:40px;color:var(--fg-dim);align-items:center;font-size:13px;display:flex}.ig-sidebar-note{font:400 10px/1.7 var(--font-mono);color:var(--fg-dim);text-transform:uppercase;margin-top:22px!important}.ig-reading-main{min-width:0}.ig-evidence{border-block:1px solid var(--rule);margin-top:28px;padding-block:20px}.ig-evidence>p:not(.ig-label){color:var(--fg-dim);margin-top:10px;font-size:15px;line-height:1.7}.ig-evidence ul{flex-wrap:wrap;gap:8px 24px;margin:16px 0 0;padding:0;list-style:none;display:flex}.ig-evidence li{max-width:100%;font-size:13px;line-height:1.7}.ig-evidence a{overflow-wrap:anywhere}.ig-table-instruction{font:400 11px/1.7 var(--font-mono);color:var(--fg-dim);margin:0 0 14px!important}.ig-table-scroll{border:1px solid var(--rule);scrollbar-color:var(--accent) var(--bg);max-width:100%;overflow-x:auto}.ig-table-scroll table{border-collapse:collapse;width:100%;min-width:1040px;font-size:14px;line-height:1.65}.ig-table-scroll th,.ig-table-scroll td{text-align:left;vertical-align:top;border-right:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:19px 20px}.ig-table-scroll thead th{color:var(--bg);background:var(--fg);font:400 11px/1.6 var(--font-mono);text-transform:uppercase;letter-spacing:.035em;width:22%}.ig-table-scroll thead th:first-child{width:12%}.ig-table-scroll tbody th{color:var(--fg);font-weight:500}.ig-table-scroll td{color:var(--fg-dim)}.ig-table-scroll tr>:last-child{border-right:0}.ig-table-scroll tbody tr:last-child>*{border-bottom:0}.ig-chapters,.ig-glossary,.ig-sources{margin-top:var(--site-section-gap)}.ig-part-heading{border-top:2px solid var(--accent);padding:22px 0}.ig-part-heading h3{letter-spacing:-.04em;margin-top:12px;font-size:clamp(24px,2.5vw,34px);font-weight:550;line-height:1.2}.ig-chapter-part+.ig-chapter-part{margin-top:58px}.ig-chapter{border-top:1px solid var(--rule)}.ig-chapter>details>summary{cursor:pointer;grid-template-columns:35px minmax(0,1fr) 22px;align-items:start;gap:18px;padding:26px 0;list-style:none;display:grid}.ig-chapter>details>summary::-webkit-details-marker{display:none}.ig-chapter-number{font:400 12px/1.8 var(--font-mono);color:var(--accent);padding-top:5px}.ig-chapter h4{letter-spacing:-.04em;font-size:clamp(26px,2.6vw,36px);font-weight:550;line-height:1.16}.ig-chapter-toggle{width:18px;height:18px;margin-top:7px;position:relative}.ig-chapter-toggle:before,.ig-chapter-toggle:after{content:"";background:var(--fg-dim);position:absolute}.ig-chapter-toggle:before{width:16px;height:1px;top:8px;left:1px}.ig-chapter-toggle:after{width:1px;height:16px;top:1px;left:8px}.ig-chapter>details[open]>summary .ig-chapter-toggle:after{display:none}.ig-chapter-body{padding:0 0 46px 53px}.ig-takeaway{letter-spacing:-.015em;font-size:21px;line-height:1.55;max-width:60ch!important}.ig-takeaway .ig-label{color:var(--accent);margin-bottom:12px;display:block}.ig-chapter-summary{color:var(--fg-dim);font-size:17px;line-height:1.75;max-width:70ch!important;margin-top:22px!important}.ig-prose-section{margin-top:36px}.ig-prose-section h5{letter-spacing:-.025em;max-width:34ch;margin-bottom:18px;font-size:23px;font-weight:550;line-height:1.25}.ig-prose-section>p{color:var(--fg-dim);font-size:17px;line-height:1.8;max-width:70ch!important}.ig-prose-section>p+p{margin-top:18px}.ig-prose-section>ul:not(.ig-inline-sources),.ig-key-points ul{color:var(--fg-dim);margin-top:18px;padding-left:20px;font-size:16px;line-height:1.75}.ig-prose-section>ul>li+li,.ig-key-points li+li{margin-top:10px}.ig-inline-sources{flex-wrap:wrap;gap:6px 20px;margin:18px 0 0;padding:0;list-style:none;display:flex}.ig-inline-sources li{max-width:100%;font-size:12px;line-height:1.7}.ig-inline-sources a{overflow-wrap:anywhere}.ig-reference-table{margin-block:24px 14px}.ig-reference-table table{min-width:680px}.ig-reference-table caption{text-align:left;color:var(--fg);font:400 12px/1.7 var(--font-mono);border-bottom:1px solid var(--rule);padding:16px 20px}.ig-reference-table thead th{width:auto}.ig-reference-table thead th:first-child{width:20%}.ig-example h5{letter-spacing:-.02em;margin:12px 0 16px;font-size:21px;line-height:1.35}.ig-example>p:not(.ig-label){color:var(--fg-dim);max-width:68ch;margin-top:14px;font-size:17px;line-height:1.75}.ig-key-points{background:var(--fg);color:var(--bg);margin-top:30px;padding:22px 24px}.ig-key-points .ig-label,.ig-key-points ul{color:var(--bg)}.ig-devices{margin-top:58px}.ig-buying-routes{border:1px solid var(--rule);grid-template-columns:repeat(2,minmax(0,1fr));margin-top:28px;display:grid}.ig-buying-routes>div{padding:22px}.ig-buying-routes>div+div{border-left:1px solid var(--rule)}.ig-buying-routes h3{font-size:21px;font-weight:550;line-height:1.3}.ig-buying-routes p{color:var(--fg-dim);margin-top:12px;font-size:15px;line-height:1.7}.ig-chapter-tools{flex-wrap:wrap;gap:12px;margin-bottom:28px;display:flex}.ig-chapter-tools[hidden]{display:none}.ig-reading-note{font:400 11px/1.7 var(--font-mono);color:var(--fg-dim);text-transform:uppercase;margin-top:16px!important}.ig-download{flex-wrap:wrap;align-items:center;gap:14px 20px;margin-top:26px;display:flex}.ig-download p{color:var(--fg-dim);font-size:14px;line-height:1.65}.ig-source-directory>summary{cursor:pointer;border-block:1px solid var(--rule);padding-block:20px;font-size:17px}.ig-source-directory>ol{margin-top:8px;padding:0;list-style:none}.ig-source-directory li{border-bottom:1px solid var(--rule);padding:18px 0}.ig-source-directory a{overflow-wrap:anywhere}.ig-topics{margin-top:32px}.ig-topics h5{font-size:16px;font-weight:500;line-height:1.6}.ig-topics ol{margin-top:18px;padding-left:22px}.ig-topics li{margin-top:20px;padding-left:7px}.ig-topics li::marker{color:var(--fg-dim);font:400 11px/1.7 var(--font-mono)}.ig-topics h6{font-size:17px;font-weight:500;line-height:1.5}.ig-topics p{color:var(--fg-dim);max-width:70ch;margin-top:5px;font-size:16px;line-height:1.7}.ig-example{border-left:2px solid var(--accent);margin-top:32px;padding:2px 0 2px 22px}.ig-example>p:last-child{color:var(--fg-dim);margin-top:12px;font-size:17px;line-height:1.7}.ig-chapter-diagrams{gap:32px;margin-top:34px;display:grid}.ig-diagram{border:1px solid var(--rule)}.ig-diagram-preview{background:#f3eee5;display:block;position:relative;overflow:hidden}.ig-diagram-preview img{object-fit:contain;width:calc(100% - 32px);height:auto;margin:16px;display:block}.ig-enlarge{min-height:46px;color:var(--bg);background:var(--accent);font:400 13px/1.5 var(--font-sans);justify-content:space-between;align-items:center;gap:24px;padding:12px 18px;display:flex}.ig-enlarge>span:first-child{text-underline-offset:4px;text-decoration:underline}.ig-enlarge>span:last-child{font-size:24px;line-height:1}.ig-diagram-preview:hover .ig-enlarge{background:var(--fg)}.ig-diagram figcaption{padding:clamp(18px,2.4vw,28px)}.ig-diagram h5{letter-spacing:-.025em;margin-top:10px;font-size:21px;font-weight:550;line-height:1.25}.ig-diagram figcaption>p:not(.ig-label){color:var(--fg-dim);margin-top:14px;font-size:15px;line-height:1.7}.ig-diagram-description{margin-top:14px}.ig-diagram-description summary{cursor:pointer;min-height:44px;color:var(--fg);text-decoration:underline;text-decoration-color:var(--rule-strong);text-underline-offset:5px;align-items:center;font-size:14px;display:flex}.ig-diagram-description p{color:var(--fg-dim);margin-block:4px 14px;font-size:15px;line-height:1.7}.ig-original-link{min-height:44px;color:var(--fg-dim);align-items:center;font-size:13px;display:inline-flex}.ig-planned{border:1px solid var(--rule);margin-top:30px;padding:20px 22px}.ig-planned .ig-label{color:var(--accent)}.ig-planned>p:last-child{color:var(--fg-dim);margin-top:10px;font-size:15px;line-height:1.7}.ig-back-link{min-height:44px;color:var(--fg-dim);align-items:center;margin-top:22px;font-size:13px;display:inline-flex}.ig-glossary dl{border-top:1px solid var(--rule)}.ig-glossary dl>div{border-bottom:1px solid var(--rule);grid-template-columns:minmax(130px,27%) minmax(0,1fr);gap:28px;padding:22px 0;display:grid}.ig-glossary dt{font-size:17px;font-weight:500;line-height:1.6}.ig-glossary dd{color:var(--fg-dim);font-size:16px;line-height:1.7}.ig-sources>ol{border-top:1px solid var(--rule);padding:0;list-style:none}.ig-sources li{border-bottom:1px solid var(--rule);padding:22px 0}.ig-sources li a{align-items:center;min-height:36px;font-size:17px;line-height:1.5;display:inline-flex}.ig-sources li p{color:var(--fg-dim);max-width:70ch;margin-top:6px;font-size:15px;line-height:1.7}.ig-editorial-note{border-left:1px solid var(--rule-strong);margin-top:34px;padding-left:22px}.ig-editorial-note>p:last-child{color:var(--fg-dim);margin-top:12px;font-size:15px;line-height:1.7}.ig-sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.identity-guide :is(summary,[tabindex]):focus-visible{outline:2px solid var(--fg);outline-offset:5px}.ig-diagram-dialog{border:1px solid var(--rule-strong);background:var(--bg);width:min(1504px,100vw - 48px);max-width:none;max-height:calc(100dvh - 48px);color:var(--fg);border-radius:0;margin:auto;padding:0;overflow:auto}.ig-diagram-dialog::backdrop{background:#000000d9}.ig-dialog-header{border-bottom:1px solid var(--rule);justify-content:space-between;align-items:start;gap:24px;padding:22px 26px;display:flex}.ig-dialog-header p{margin:0 0 9px}.ig-dialog-header h2{font:500 clamp(22px,2.5vw,30px)/1.2 var(--font-sans);letter-spacing:-.025em;margin:0}.ig-dialog-header>button{flex:none}.ig-dialog-toolbar{flex-wrap:wrap;align-items:center;gap:12px 24px;padding:16px 26px;display:flex}.ig-dialog-toolbar>div{gap:8px;display:flex}.ig-dialog-toolbar .ig-button[aria-pressed=true]{background:var(--fg);color:var(--bg);border-color:var(--fg)}.ig-dialog-toolbar>a{min-height:44px;font:400 13px/1.5 var(--font-sans);align-items:center;display:inline-flex}.ig-dialog-toolbar p{font:400 13px/1.7 var(--font-sans);color:var(--fg-dim);flex-basis:100%;margin:0}.ig-dialog-canvas{overscroll-behavior:contain;scrollbar-color:#f15c2a #f3eee5;background:#f3eee5;width:100%;max-height:65dvh;overflow:auto}.ig-dialog-canvas img{width:calc(100% - 32px);max-width:none;height:auto;margin:16px;display:block}.ig-dialog-canvas.is-actual-size img{width:1408px;max-width:none}.ig-dialog-description{padding:20px 26px 24px}.ig-dialog-description p{font:400 15px/1.7 var(--font-sans);color:var(--fg-dim);margin:0}.ig-dialog-description details{margin-top:12px}.ig-dialog-description summary{cursor:pointer;min-height:44px;font:400 14px/1.7 var(--font-sans);padding-block:10px}.ig-diagram-dialog :is(button,a,summary,[tabindex]):focus-visible{outline:2px solid var(--accent);outline-offset:-3px}@media (width<=1100px){.ig-part-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ig-reading-layout{grid-template-columns:minmax(160px,22%) minmax(0,1fr);gap:32px}.ig-chapter-body{padding-left:0}.ig-hero h1{font-size:clamp(44px,7vw,78px)}.ig-hero{grid-template-columns:minmax(0,1fr) 240px;gap:32px}}@media (width<=800px){.ig-hero{grid-template-columns:minmax(0,1fr)}.ig-hero-aside{border-bottom:1px solid var(--rule);grid-template-columns:125px minmax(0,1fr);align-items:center;column-gap:24px;padding-block:16px;display:grid}.ig-identity-mark{grid-row:span 2;margin:0}.ig-hero-aside>p:last-child{align-self:start;margin-top:0}.ig-premise{grid-template-columns:minmax(0,1fr);gap:24px}.ig-premise h2{max-width:25ch}.ig-flow ol{grid-template-columns:repeat(3,minmax(0,1fr))}.ig-flow li{border-bottom:1px solid var(--rule)}.ig-flow li:nth-child(3){border-right:0}.ig-flow li:nth-child(n+4){border-bottom:0}.ig-reading-layout{display:block}.ig-sidebar nav{border-bottom:1px solid var(--rule);grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px;max-height:none;margin-bottom:48px;padding:22px 0;display:grid;position:static}.ig-sidebar nav>.ig-label,.ig-sidebar-overview{grid-column:1/-1}.ig-sidebar ol{grid-row:span 2;margin-top:6px}.ig-sidebar-utilities{margin-top:6px}.ig-sidebar-note{margin-top:0!important}}@media (width<=520px){.ig-buying-routes{grid-template-columns:minmax(0,1fr)}.ig-buying-routes>div+div{border-left:0;border-top:1px solid var(--rule)}.ig-prose-section>p,.ig-example>p:not(.ig-label){font-size:16px}.identity-guide{padding-top:20px}.ig-draft{gap:6px;font-size:10px}.ig-hero{padding-block:34px}.ig-hero h1{letter-spacing:-.055em;font-size:clamp(40px,11vw,58px)}.ig-hero h1 em{display:inline}.ig-standfirst{font-size:20px}.ig-intro{font-size:16px}.ig-hero-aside{grid-template-columns:95px minmax(0,1fr);gap:12px 18px}.ig-hero-aside>.ig-label{font-size:9px}.ig-hero-aside>p:last-child{font-size:13px}.ig-premise{padding:24px 20px}.ig-premise>div:last-child p{font-size:17px}.ig-flow ol{grid-template-columns:minmax(0,1fr)}.ig-flow li{border-right:0;grid-template-columns:25px 70px minmax(0,1fr);column-gap:12px;padding:20px 16px;display:grid;border-bottom:1px solid var(--rule)!important}.ig-flow li:last-child{border-bottom:0!important}.ig-flow-number{padding-top:8px}.ig-flow-mark{grid-area:span 2/2;align-self:center;margin-top:0}.ig-flow h3{grid-column:3;margin:0;font-size:20px}.ig-flow li p{grid-column:3;margin-top:7px;font-size:14px}.ig-flow-caveat{font-size:14px}.ig-part-grid{grid-template-columns:minmax(0,1fr)}.ig-part{padding:24px 20px}.ig-section-heading h2{font-size:34px}.ig-section-heading>p:last-child{font-size:16px}.ig-sidebar nav{gap:0 18px}.ig-sidebar li a{font-size:13px}.ig-sidebar li a span{font-size:9px}.ig-sidebar-utilities a{font-size:12px}.ig-chapter>details>summary{grid-template-columns:25px minmax(0,1fr) 16px;gap:10px;padding-block:22px}.ig-chapter h4{font-size:27px}.ig-chapter-number{font-size:11px}.ig-takeaway{font-size:20px}.ig-chapter-summary{font-size:16px}.ig-example{padding-left:17px}.ig-example>p:last-child{font-size:16px}.ig-glossary dl>div{grid-template-columns:minmax(0,1fr);gap:8px}.ig-diagram-dialog{width:calc(100vw - 20px);max-height:calc(100dvh - 20px)}.ig-dialog-header{gap:12px;padding:18px 14px}.ig-dialog-header h2{font-size:21px}.ig-dialog-header .ig-button{gap:8px;padding-inline:12px;font-size:12px}.ig-dialog-toolbar{gap:8px 16px;padding:14px}.ig-dialog-description{padding:18px 14px}}@media (prefers-reduced-motion:reduce){html:has(.identity-guide){scroll-behavior:auto}}.ig-has-deck .ig-hero{grid-template-columns:1fr;padding-block:28px 32px}.ig-has-deck .ig-hero h1{max-width:none;margin-block:12px 18px;font-size:clamp(38px,4.3vw,64px)}.ig-has-deck .ig-standfirst{font-size:20px;max-width:75ch!important}.ig-has-deck .ig-hero-aside{display:none}.ig-has-deck .ig-hero-links{margin-top:20px}