*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0}a{color:inherit;text-underline-offset:4px}button{font:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid currentColor;outline-offset:6px}img{max-width:100%;height:auto}p{font-size:18px;line-height:1.65;margin:0 0 1.25em}h1,h2,h3{margin:0;font-weight:800;letter-spacing:-.055em;line-height:1.04}h1{font-size:clamp(48px,6vw,86px)}h2{font-size:clamp(36px,4vw,58px);margin-bottom:30px}h3{font-size:26px}.eyebrow,.caption,.chapter-index,.art-caption,.voice-kind,.voice-date{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace}.eyebrow{font-size:11px;line-height:1.5;letter-spacing:.12em;text-transform:uppercase;margin-bottom:30px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-100px;left:20px;z-index:20;background:var(--paper);padding:14px}.skip-link:focus{top:12px}.site-header{max-width:calc(var(--max) + 96px);margin:auto;padding:28px 48px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:9px;text-decoration:none}.brand span,.footer-brand{font-family:var(--font-brand);font-weight:900;letter-spacing:-.06em;font-size:26px}.brand img{display:block;mix-blend-mode:multiply;width:38px}.site-header nav{display:flex;gap:30px;align-items:center;font-size:13px}.site-header nav a{text-decoration:none;padding:8px 0;border-bottom:1px solid transparent}.site-header nav a:hover,.site-header nav a[aria-current]{border-color:var(--ink)}main{max-width:calc(var(--max) + 96px);margin:auto;padding:0 48px}.hero{position:relative;min-height:640px;padding:70px 0 90px;display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:center}.hero-copy{position:relative;z-index:1}.hero h1{max-width:720px;margin-bottom:32px}.hero-intro{font-size:22px;line-height:1.4;font-weight:500;max-width:560px;margin-bottom:14px}.hero-description{font-size:16px;max-width:490px;color:var(--muted);line-height:1.65}.hero-down{margin-top:24px;display:inline-flex;align-items:center;gap:48px;text-decoration:none;font-size:12px;font-family:monospace;text-transform:uppercase;letter-spacing:.08em}.hero-down span{font-size:24px}.hero-art{position:relative;text-align:center;align-self:center;margin:-10px -15px 0 0}.hero-art img{display:block;width:100%;max-height:570px;object-fit:contain;mix-blend-mode:multiply}.art-caption{font-size:9px;letter-spacing:.18em;display:block;margin-top:10px}.hero-inner{grid-template-columns:1.6fr .4fr;min-height:560px;align-items:start}.hero-inner h1{max-width:850px}.page-symbol{font-family:Arial,sans-serif;font-weight:800;font-size:190px;line-height:1;letter-spacing:-.13em;justify-self:center;align-self:center;margin-top:20px}.chapter{border-top:1px solid var(--ink);padding:30px 0 90px;scroll-margin-top:32px}.chapter-index{display:flex;gap:48px;font-size:10px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:50px}.chapter-index span:first-child{color:var(--muted)}.chapter-layout{display:grid;grid-template-columns:minmax(0,720px) minmax(220px,1fr);gap:clamp(36px,7vw,110px)}.chapter-content{max-width:720px}.chapter-content p{max-width:650px}.principles{margin:34px 0}.principles>div{display:grid;grid-template-columns:120px 1fr;gap:24px;border-top:1px solid var(--line);padding:20px 0}.principles dt{font-size:14px;font-weight:700}.principles dd{margin:0;font-size:16px;line-height:1.5;max-width:480px}.closing{font-size:18px;font-weight:600;margin-top:30px}.note{font-size:14px;line-height:1.65;color:var(--muted);padding-left:16px;border-left:2px solid var(--line);margin-top:28px}.text-link{font-size:14px;display:inline-flex;gap:30px;align-items:center;text-decoration:none;padding:10px 0;border-bottom:1px solid currentColor;margin-top:14px}.text-link span{font-size:20px}.source-link{font-size:12px;line-height:1.5;display:inline-block;margin:10px 0 8px}.source-list{display:flex;flex-direction:column;align-items:flex-start}.perspective-mark{display:flex;align-items:center;gap:45px;padding:20px 0 30px}.perspective-mark>span:first-child{font-size:128px;font-weight:800;letter-spacing:-.1em;line-height:1}.perspective-mark .slash{font-weight:300;color:var(--symbol-muted);padding:0 10px;font-size:90px}.perspective-mark>.eyebrow{margin:0;line-height:1.7}.endnote{background:var(--ink);color:var(--paper);margin:10px -48px 0;padding:66px 48px 70px;position:relative}.endnote h2{font-size:clamp(64px,10vw,140px);letter-spacing:-.065em;line-height:.94;margin:45px 0 30px}.endnote .text-link{margin-top:16px}footer{max-width:calc(var(--max) + 96px);margin:auto;padding:46px 48px 32px}.footer-brand{text-decoration:none;font-size:var(--brand-footer-size)}footer>p{font-size:13px;margin-top:8px;color:var(--muted)}footer>div{display:flex;justify-content:space-between;gap:24px;font-size:11px;margin-top:35px}.voice{background:var(--inverse);color:var(--inverse-ink);padding:27px 25px 23px;border-radius:19px 27px 22px 6px;margin:25px 0 50px;position:relative;max-width:330px}.voice::after{content:"";position:absolute;bottom:-13px;left:25px;border-width:14px 14px 0 0;border-style:solid;border-color:var(--inverse) transparent transparent transparent}.voice:nth-child(even){border-radius:25px 17px 6px 22px;margin-left:10px;margin-top:80px}.voice:nth-child(even)::after{left:auto;right:25px;transform:scaleX(-1)}.voice-kind{font-size:9px;line-height:1.5;color:var(--inverse-muted);text-transform:uppercase;letter-spacing:.07em;margin-bottom:18px}.voice-text{font-size:23px;font-weight:500;line-height:1.25;letter-spacing:-.035em;margin:0 0 22px}.voice-source{font-size:11px;line-height:1.4;display:inline-block}.voice-date{font-size:9px;color:var(--inverse-muted);line-height:1.6;margin:10px 0 0}.voice details{font-size:11px;line-height:1.5;border-top:1px solid var(--inverse-line);margin-top:17px;padding-top:12px}.voice summary{cursor:pointer;color:var(--inverse-detail);width:max-content;max-width:100%}.voice details p{font-size:11px;line-height:1.6;color:var(--inverse-body);margin:14px 0 0}.reveal-ready{opacity:0;transform:translateY(24px) rotate(-1deg);transition:opacity .55s ease,transform .55s ease}.reveal-ready.is-visible,.reveal-ready:focus-within{opacity:1;transform:none}.source-error{margin:10px 48px;border:1px solid var(--ink);padding:20px;font-size:14px}.caption{font-size:10px;line-height:1.7;color:var(--subtle)}
@media(min-width:1500px){.hero{min-height:720px}.hero-art img{max-height:620px}}
@media(max-width:1000px){.site-header{padding:24px 32px}.site-header nav{gap:20px}main{padding:0 32px}.hero{grid-template-columns:1.2fr .8fr;min-height:600px}.hero-art{margin:0 -12px 0 0}.hero h1{font-size:clamp(48px,6.8vw,72px)}.hero-inner{grid-template-columns:1.6fr .4fr}.page-symbol{font-size:140px}.chapter-layout{gap:38px;grid-template-columns:minmax(0,1fr) 250px}.voice{padding:23px 20px}.voice-text{font-size:21px}.endnote{margin-left:-32px;margin-right:-32px;padding-left:32px;padding-right:32px}footer{padding-left:32px;padding-right:32px}}
@media(max-width:720px){.site-header{padding:18px 22px;align-items:flex-start;flex-direction:column;gap:14px}.brand span{font-size:25px}.brand img{width:32px}.site-header nav{width:100%;justify-content:space-between;gap:12px;font-size:11px}main{padding:0 22px}.hero{padding:45px 0 58px;min-height:0;grid-template-columns:1fr;gap:36px}.hero h1{font-size:clamp(46px,11.5vw,72px);letter-spacing:-.055em;margin-bottom:25px}.hero .eyebrow{margin-bottom:24px}.hero-intro{font-size:20px}.hero-description{font-size:15px}.hero-art{width:65%;max-width:330px;margin:0 auto}.hero-art img{max-height:330px}.hero-down{margin-top:10px}.hero-inner{grid-template-columns:1fr}.page-symbol{display:none}.chapter{padding:24px 0 55px}.chapter-index{gap:28px;margin-bottom:36px;font-size:9px}.chapter-layout{grid-template-columns:1fr;gap:0}.chapter h2{font-size:38px;margin-bottom:25px}.chapter-content p{font-size:17px}.chapter-content p.note{font-size:13px}.principles>div{grid-template-columns:85px 1fr;gap:20px}.principles dd{font-size:15px}.principles dt{font-size:13px}.bubble-slot:empty{display:none}.bubble-slot{display:grid;grid-template-columns:1fr;gap:10px}.voice{margin:35px 0 10px 20px;max-width:350px}.voice:nth-child(even){margin:25px 20px 10px 0}.voice-text{font-size:23px}.voice details p{font-size:11px}.perspective-mark{gap:30px}.perspective-mark>span:first-child{font-size:100px}.perspective-mark .slash{font-size:70px}.endnote{margin-left:-22px;margin-right:-22px;padding:45px 22px}.endnote h2{font-size:76px}footer{padding:35px 22px 80px}footer>div{flex-direction:column;gap:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal-ready{opacity:1;transform:none;transition:none}}
@media print{.hero-down,.skip-link{display:none}.reveal-ready{opacity:1;transform:none}.site-header nav{display:none}.chapter{break-inside:avoid}.endnote{background:#fff;color:#000;border-top:1px solid #000}.voice{background:#fff;color:#000;border:1px solid #000}.voice::after{display:none}.voice-kind,.voice-date,.voice details p{color:#333}a{overflow-wrap:anywhere}}

@media(max-width:720px){.site-header nav{flex-wrap:wrap;row-gap:8px}}

/* One brand token controls header and footer typography. */
.website-footer{padding:56px 48px 24px;margin-top:0}
.website-footer .footer-main{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--ink);padding-top:40px;margin:0}
.website-footer .footer-identity{display:block}
.website-footer .footer-brand{display:inline-block;font-family:var(--font-brand);font-size:var(--brand-footer-size);line-height:1.15}
.website-footer .footer-signature{font-size:15px;line-height:1.5;margin:12px 0 0;color:var(--muted)}
.website-footer .footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:24px;margin:36px 0 0;padding-top:16px;border-top:1px solid var(--line);font-size:11px;line-height:1.5;color:var(--muted)}
.footer-bottom a{display:inline-flex;align-items:center;gap:12px;min-height:44px;text-decoration:none}
.footer-bottom a:hover{text-decoration:underline}
@media(max-width:1000px){.website-footer{padding-left:32px;padding-right:32px}}
@media(max-width:720px){.website-footer{padding:40px 22px 24px}.website-footer .footer-main{grid-template-columns:1fr;gap:32px;padding-top:32px}.website-footer .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;margin-top:28px}.footer-identity .footer-brand{font-size:var(--brand-footer-size)}footer{padding-bottom:32px}}
@media(max-width:720px){.site-header nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px 12px;justify-content:initial}.site-header nav a{width:max-content;max-width:100%}}

/* Header/footer wordmarks retain their dedicated size and tracking. */
.brand span,.footer-brand{font-size:var(--brand-footer-size);font-family:var(--font-brand);font-weight:800;font-variation-settings:"wdth" 100,"opsz" 96;letter-spacing:-.045em;font-synthesis:none}

/* MDA30: keep the larger header wordmark vertically centred beside the unchanged anchor. */
.brand span{font-size:var(--brand-header-size);line-height:1.15}

/* Briefing issue navigation and local archive search. */
.briefing-title{display:flex;align-items:baseline;flex-wrap:wrap;gap:24px;margin-bottom:28px}
.hero .briefing-title h1{margin:0}.archive-tab{font-size:15px;padding:12px 0;text-underline-offset:6px}
.hero-archive{min-height:320px;padding-bottom:45px}.hero-archive .hero-copy{max-width:800px}
.archive-search{max-width:720px;padding-bottom:64px}.archive-search label{display:block;font-size:14px;font-weight:600;margin-bottom:12px}
.archive-search input{display:block;width:100%;min-height:48px;padding:12px;border:1px solid var(--muted);border-radius:0;background:var(--paper);color:var(--ink);font:16px/1.5 var(--font-body)}
.archive-search input:focus-visible{outline:var(--focus);outline-offset:4px}.archive-count{font-size:13px;color:var(--muted);margin:16px 0 24px}
.issue-list{list-style:none;padding:0;margin:0}.issue-card{border-top:1px solid var(--line);padding:24px 0}.issue-card h2{font-size:28px;margin:0 0 12px;letter-spacing:-.035em}.issue-card p{font-size:15px;margin:8px 0}.issue-meta{font:11px/1.7 var(--font-label);color:var(--muted)}
.issue-navigation{display:flex;flex-wrap:wrap;gap:24px;margin-top:18px;font-size:14px}.issue-navigation a{min-height:44px;padding:12px 0}
@media(max-width:720px){.briefing-title{gap:20px}.hero .briefing-title h1{font-size:clamp(46px,11.5vw,72px)}.archive-tab{font-size:14px}}

.briefing-tabs{display:flex;gap:24px;flex-wrap:wrap}.hero-signals{grid-template-columns:1fr}.signals-feed{max-width:900px;padding-bottom:64px}.signals-heading{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:20px}.signals-heading h2{font-size:32px;letter-spacing:-.035em;margin-bottom:24px}.signals-heading button,.signals-feed>button{background:none;color:var(--ink);font-family:var(--font-body);cursor:pointer;border-top:0;border-left:0;border-right:0}.signals-heading button:disabled{opacity:.6;cursor:wait}.feed-attribution,.feed-note{font-size:13px;line-height:1.7;color:var(--muted)}.feed-status{font-size:16px;font-weight:600;margin:24px 0 8px}.feed-timestamp{font-size:12px;line-height:1.7;color:var(--muted)}.feed-search-label{display:block;font-size:14px;margin:24px 0 10px}.signals-feed input{width:100%;min-height:48px;padding:12px;border:1px solid var(--muted);border-radius:0;background:var(--paper);color:var(--ink);font:16px/1.5 var(--font-body)}.signals-feed input:focus-visible{outline:var(--focus);outline-offset:4px}.feed-note{margin-top:12px}.signals-feed h3{font-size:22px;letter-spacing:-.025em;overflow-wrap:anywhere}.signals-feed .issue-card>p{overflow-wrap:anywhere}.feed-summary{font-size:14px;line-height:1.6;margin-top:16px}.feed-summary summary{cursor:pointer;padding:8px 0}.feed-summary p{overflow-wrap:anywhere}.signals-feed [hidden]{display:none}.feed-summary summary:focus-visible{outline:var(--focus);outline-offset:4px}
@media(max-width:720px){.hero-signals .briefing-title h1{font-size:clamp(46px,11.5vw,72px)}.briefing-tabs{gap:20px}.signals-heading h2{font-size:28px}}

/* MDA38/39: ISO week/slash large, two-digit ISO year small and adjacent. */
.page-symbol:has(.week-number){display:flex;align-items:baseline;white-space:nowrap;letter-spacing:-.08em}
.week-year{font-size:18%;letter-spacing:0;line-height:1;margin-left:0}
.archive-week{display:inline-flex;align-items:baseline;white-space:nowrap;font-size:28px;font-weight:800;letter-spacing:-.055em;vertical-align:baseline}
.archive-week .week-year{font-size:35%}
@media(max-width:720px){.page-symbol:has(.week-number){display:none}}

/* MDA40: tabs start on the same left edge as the editorial column. */
.briefing-title{display:block}
.briefing-title .briefing-tabs{margin-top:20px;justify-content:flex-start;gap:24px}

.voices-empty{max-width:720px;border-top:1px solid var(--ink);padding:32px 0 72px}.voices-empty h2{font-size:32px}.voices-empty p{font-size:16px;color:var(--muted)}

/* MDA43: quiet resource links and an editorial feed panel, separate from source bubbles. */
.footer-links{display:flex;flex-wrap:wrap;gap:4px 24px;margin-top:24px;font-size:12px;line-height:1.5}.footer-links a{padding:12px 0}
.latest-feed{border-top:1px solid var(--ink);padding:36px 0 72px;display:grid;grid-template-columns:minmax(220px,1fr) minmax(0,2fr);gap:48px;scroll-margin-top:32px}
.latest-heading h2{font-size:clamp(36px,4vw,58px)}.latest-list{list-style:none;padding:0;margin:20px 0 24px}.latest-entry{border-top:1px solid var(--line);padding:20px 0}.latest-entry h3{font-size:22px;line-height:1.25;letter-spacing:-.035em;margin:12px 0 0;overflow-wrap:anywhere}.latest-entry h3 a{text-decoration:none}.latest-entry h3 a:hover{text-decoration:underline}.latest-meta{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 16px;font-size:11px;color:var(--muted)}
@media(prefers-reduced-motion:no-preference){.latest-entry{animation:latest-arrive .6s ease both}.latest-entry-1{animation-delay:.12s}.latest-entry-2{animation-delay:.24s}@keyframes latest-arrive{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.latest-entry{animation:none;transform:none;opacity:1}}
@media(max-width:720px){.latest-feed{grid-template-columns:1fr;gap:12px;padding:28px 0 48px}.latest-heading .eyebrow{margin-bottom:16px}.latest-heading h2{margin-bottom:12px}.latest-entry h3{font-size:20px}.footer-links{gap:4px 20px}}

/* Stable tab positions across the four reading pages; content height does not center the heading. */
.briefing-tabs [aria-current]{font-weight:700;text-decoration-thickness:2px}
.archive-year{padding:32px 0 12px}.archive-year h2{font-size:20px;letter-spacing:-.02em;margin:0}
.archive-week-row{display:grid;grid-template-columns:110px minmax(0,1fr);gap:24px;align-items:start}
.archive-large-week{font-size:90px;font-weight:800;letter-spacing:-.08em;line-height:1}
.archive-week-row h3{font-size:25px;line-height:1.2;letter-spacing:-.035em;margin-top:12px}
@media(max-width:720px){.archive-week-row{grid-template-columns:68px minmax(0,1fr);gap:18px}.archive-large-week{font-size:64px}.archive-week-row h3{font-size:22px}}

.voices-selection{max-width:900px;padding-bottom:64px}.voices-selection>h2{font-size:32px}.voice-selection-card h3{font-size:26px;line-height:1.2;letter-spacing:-.035em;overflow-wrap:anywhere}.voice-selection-card>p{max-width:720px}.voices-coverage{margin-top:32px;border-top:1px solid var(--line);padding-top:20px;font-size:13px;line-height:1.7}.voices-coverage summary{cursor:pointer}.voices-coverage li{margin:12px 0;overflow-wrap:anywhere}

/* MDA55: reserved project showcase; statements are added only when signed. */
.governed-projects{border-top:1px solid var(--ink);padding:48px 0 72px}.governed-projects h2{font-size:clamp(32px,4vw,52px);max-width:750px;letter-spacing:-.045em}.governed-list{list-style:none;padding:0;margin:32px 0 0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.governed-list li{border-top:1px solid var(--line);padding-top:20px}.governed-list h3{font-size:clamp(20px,2.5vw,30px);letter-spacing:-.03em;margin:0 0 12px}.governed-testimonials:empty{display:none}@media(max-width:720px){.governed-list{grid-template-columns:1fr;gap:24px}.governed-projects{padding:32px 0 48px}}

.figures{border-top:1px solid var(--ink);padding:48px 0 72px;scroll-margin-top:32px}.figures h2{font-size:clamp(36px,4vw,58px);letter-spacing:-.045em}.figures-intro{max-width:720px;font-size:20px}.figures-grid{list-style:none;padding:0;margin:32px 0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px}.figure-card{border-top:1px solid var(--line);padding-top:20px;min-width:0}.figure-label{font:11px/1.7 var(--font-label);color:var(--muted)}.figure-value{font-size:clamp(42px,5vw,68px);font-weight:800;letter-spacing:-.055em;line-height:1.15;margin:18px 0}.figure-card h3{font-size:22px;line-height:1.25;letter-spacing:-.025em}.figure-card>p:not(.figure-value):not(.figure-label),.figure-card details{font-size:14px;line-height:1.7}.figure-card details{color:var(--muted);margin-top:18px;overflow-wrap:anywhere}.figure-card summary{cursor:pointer;padding:8px 0}.figure-card summary:focus-visible{outline:var(--focus);outline-offset:4px}.figures [hidden]{display:none}@media(max-width:960px){.figures-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){.figures{padding:32px 0 48px}.figures-grid{grid-template-columns:1fr;gap:28px}.figure-value{font-size:56px}}

/* Why reuses the editorial palette, rules and spacing of the website. */
#why.hero{grid-template-columns:1fr;min-height:0;padding:64px 0 64px}
#why .hero-copy{max-width:1040px}#why h1{max-width:1040px}#why .hero-intro{max-width:720px}#why .hero-description{max-width:650px}
.why-chapter .chapter-layout{grid-template-columns:1fr}.why-chapter .chapter-content{max-width:100%}.why-chapter .bubble-slot{display:none}
.why-chapter .chapter-content>h2{max-width:850px}.why-chapter .principles{max-width:850px}.why-chapter .principles>div{grid-template-columns:180px minmax(0,1fr)}
.capability-grid{list-style:none;padding:0;margin:48px 0 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:64px;row-gap:32px}
.capability-card{min-width:0;border-top:1px solid var(--line);padding:24px 0 0}.capability-card h3{font-size:26px;line-height:1.2;letter-spacing:-.035em;max-width:460px;margin:0 0 16px}.capability-card p{font-size:17px;max-width:540px;margin:0}
.why-endnote h2{font-size:clamp(48px,6vw,86px);line-height:1.04;max-width:1000px}
@media(max-width:720px){#why.hero{padding:48px 0}.capability-grid{grid-template-columns:1fr;gap:32px;margin-top:32px}.capability-card p{font-size:17px}.why-chapter .principles>div{grid-template-columns:1fr;gap:12px}.why-chapter .principles dt{font-size:17px}.why-chapter .principles dd{font-size:17px}.why-endnote h2{font-size:48px}}