@import url('/assets/fonts.css');
:root {
  --ink: #25252d;
  --muted: #62636e;
  --accent: #663c4c;
  --accent-dark: #432b38;
  --paper: #ffffff;
  --wash: #f3f4f7;
  --tint: #eeeaef;
  --line: #dedfe5;
  --sans: 'Public Sans', Arial, sans-serif;
  --serif: 'Libre Caslon Text', Georgia, serif;
  --navy: var(--ink);
  --blue: var(--accent);
  --pale: var(--wash);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 1rem/1.7 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; text-underline-offset: 5px; }
a:hover { color: var(--accent); }
a:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--accent); outline-offset: 6px; }
::selection { background: #e5d8df; color: #25252d; }
h1,h2,h3,p { margin: 0; }
h1,h2,h3 { font-weight: 500; }
svg { display: block; }
.shell { width: min(1160px, calc(100% - 112px)); margin-inline: auto; }
.section-space { padding-block: 76px; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 100; padding: 12px 20px; background: var(--ink); color: white; }
.skip-link:focus { top: 12px; color: white; }
.site-header { background: var(--paper); border-bottom: 1px solid var(--line); position: relative; z-index: 20; }
.header-inner { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 28px; position: relative; }
.wordmark { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-mark { width: 37px; height: 42px; stroke: var(--accent); stroke-width: 2.5; fill: none; }
.brand-name { font-size: 2rem; line-height: 1.05; font-weight: 600; letter-spacing: -.04em; }
.brand-detail { margin-left: 5px; padding-left: 18px; border-left: 1px solid var(--line); font-size: .75rem; line-height: 1.6; color: var(--muted); }
.desktop-nav { display: flex; align-items: center; gap: 27px; font-size: .875rem; }
.desktop-nav a { min-height: 44px; display: inline-flex; align-items: center; border-bottom: 2px solid transparent; padding-block: 10px; }
.desktop-nav a:hover,.desktop-nav a[aria-current=page] { color: var(--accent); border-bottom-color: var(--accent); }
.desktop-nav .nav-contact { padding: 10px 16px; gap: 18px; background: var(--wash); border: 1px solid var(--line); border-radius: 3px; }
.desktop-nav .nav-contact:hover { background: var(--tint); }
.mobile-menu { display: none; }
.eyebrow { font-size: .8125rem; font-weight: 500; color: var(--accent); line-height: 1.6; margin-bottom: 19px; }
.institute-hero { display: grid; grid-template-columns: 1.45fr 1fr; align-items: end; gap: 76px; padding-block: 85px 92px; }
.institute-hero h1 { max-width: 650px; font-size: clamp(3.2rem, 5.75vw, 4.65rem); line-height: 1.08; letter-spacing: -.047em; text-wrap: balance; color: var(--accent); }
.institute-intro { min-width: 0; padding-bottom: 5px; }
.institute-intro p { font-size: 1.1875rem; line-height: 1.7; }
.institute-intro p+p { font-size: 1rem; margin-top: 19px; color: var(--muted); line-height: 1.85; }
.institute-intro .button { margin-top: 27px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 30px; padding: 13px 22px; min-height: 48px; font-size: .875rem; font-weight: 500; line-height: 1.6; border: 1px solid transparent; border-radius: 3px; transition: background .15s, color .15s; }
.button-primary,.button-navy { background: var(--accent); color: white; }
.button-primary:hover,.button-navy:hover { background: var(--accent-dark); color: white; }
.text-link { display: inline-flex; align-items: center; gap: 19px; color: var(--accent); font-size: .9375rem; font-weight: 500; padding-block: 10px; line-height: 1.6; }
.text-link:hover { color: var(--accent-dark); text-decoration: underline; }
.file-link { display: inline-flex; align-items: center; gap: 12px; padding-block: 10px; color: var(--muted); font-size: .875rem; }
.file-link:hover { color: var(--accent); text-decoration: underline; }
.file-link svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.3; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 40px; }
.section-heading h2,.approach-intro h2,.anonymity-feature h2,.contact-section h2 { font-size: 2.125rem; line-height: 1.28; letter-spacing: -.035em; text-wrap: balance; }
.section-heading .eyebrow { margin-bottom: 13px; }
.section-heading>.text-link { flex-shrink: 0; }
.section-intro { max-width: 440px; font-size: 1rem; color: var(--muted); line-height: 1.8; }
.research-section { background: var(--wash); }
.area-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 48px; margin-top: 44px; }
.area-summary { min-width: 0; padding-top: 24px; border-top: 2px solid #b8a8b1; }
.area-summary .area-focus { font-size: .8125rem; color: var(--muted); margin-bottom: 15px; }
.area-summary h3 { font-family: var(--serif); font-weight: 400; font-size: 1.875rem; line-height: 1.4; letter-spacing: -.03em; margin-bottom: 21px; }
.area-summary h3 a { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.area-summary h3 a:hover { text-decoration: underline; text-decoration-thickness: 1px; }
.area-summary h3 span { font: 1.25rem var(--sans); color: var(--accent); }
.area-summary p { font-size: 1rem; line-height: 1.85; color: var(--muted); }
.purpose-section { padding-block: 80px; background: var(--accent-dark); color: white; }
.purpose-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.purpose-section .eyebrow { color: #d0bac6; }
.purpose-section h2 { font: 400 2.75rem/1.35 var(--serif); letter-spacing: -.035em; max-width: 460px; text-wrap: balance; }
.purpose-copy p { font-size: 1.0625rem; line-height: 1.9; color: #e9e1e6; }
.purpose-copy p+p { margin-top: 19px; }
.purpose-copy .text-link { margin-top: 23px; color: white; }
.purpose-section a:focus-visible { outline-color: white; }
.approach-section { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.approach-intro { max-width: 425px; }
.approach-intro>p:not(.eyebrow) { font-size: 1.0625rem; color: var(--muted); margin-top: 24px; line-height: 1.85; }
.approach-intro .text-link { margin-top: 19px; }
.principle-list>div { padding-block: 22px; border-top: 1px solid var(--line); }
.principle-list>div:first-child { padding-top: 0; border-top: 0; }
.principle-list>div:last-child { padding-bottom: 0; }
.principle-list h3 { font-size: 1.125rem; line-height: 1.5; margin-bottom: 10px; }
.principle-list p { font-size: 1rem; color: var(--muted); line-height: 1.8; }
.anonymity-feature { background: var(--tint); display: grid; grid-template-columns: 1fr 1.25fr; gap: 65px; padding: 43px 48px; margin-bottom: 78px; border-radius: 4px; }
.anonymity-feature h2 { font-size: 1.8rem; max-width: 340px; }
.anonymity-feature p:not(.eyebrow) { color: var(--muted); font-size: 1rem; line-height: 1.85; }
.anonymity-feature .text-link { margin-top: 12px; }
.contribute-section { background: var(--wash); border-top: 1px solid var(--line); }
.contribution-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 40px; margin-top: 43px; }
.contribution-grid article { min-width: 0; display: flex; flex-direction: column; padding-top: 25px; border-top: 1px solid #c9cbd3; }
.contribution-grid h3 { font-size: 1.25rem; line-height: 1.5; margin-bottom: 16px; }
.contribution-grid p { font-size: 1rem; color: var(--muted); line-height: 1.8; margin-bottom: 20px; }
.contribution-grid .text-link { align-self: flex-start; margin-top: auto; }
.contribute-note { font-size: .875rem; color: var(--muted); margin-top: 38px; padding-top: 27px; border-top: 1px solid var(--line); max-width: 800px; }
.contribute-note a { color: var(--accent); text-decoration: underline; }
.contact-section { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; padding-block: 85px 90px; align-items: center; }
.contact-section h2 { font-size: 2.5rem; }
.contact-section>div>p:not(.eyebrow) { margin-top: 19px; max-width: 395px; color: var(--muted); font-size: 1.0625rem; }
.contact-address { padding-left: 37px; border-left: 2px solid var(--accent); min-width: 0; }
.contact-address>span { font-size: .8125rem; color: var(--muted); }
.contact-address>a { display: flex; justify-content: space-between; gap: 20px; align-items: baseline; font-size: clamp(1.3rem,2.3vw,1.75rem); color: var(--accent); letter-spacing: -.035em; margin-top: 16px; overflow-wrap: anywhere; }
.contact-address>a:hover { text-decoration: underline; }
.contact-address>a>span { font-size: 1.3rem; }
.contact-section .contact-address p { font-size: .875rem; margin-top: 17px; }
/* Interior pages. */
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 11px; align-items: center; font-size: .8125rem; color: var(--muted); margin-bottom: 45px; }
.breadcrumbs a:hover { text-decoration: underline; }
.breadcrumbs>[aria-hidden] { opacity: .6; }
.page-hero { padding-block: 28px 65px; background: var(--wash); }
.inner-hero-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 100px; }
.page-hero h1 { font-size: clamp(3rem,6.1vw,5.15rem); line-height: 1.08; letter-spacing: -.05em; }
.page-hero .eyebrow { margin-bottom: 18px; }
.inner-hero-intro { max-width: 520px; font-size: 1.1875rem; line-height: 1.8; color: var(--muted); padding-bottom: 3px; }
.section-nav { background: white; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.section-nav>.shell { display: flex; gap: 40px; }
.section-nav a { font-size: .875rem; min-height: 65px; padding-block: 20px; display: flex; align-items: center; border-bottom: 2px solid transparent; }
.section-nav a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.index-year { font-size: .875rem; color: var(--muted); }
.publication-row { display: grid; grid-template-columns: 180px minmax(0,1fr); gap: 50px; padding-block: 37px; border-block: 1px solid var(--line); margin-top: 34px; }
.publication-date { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; font-size: .875rem; color: var(--muted); }
.publication-type { font-weight: 500; color: var(--accent); }
.publication-topic { font-size: .8125rem; line-height: 1.9; margin-top: 17px; }
.publication-main { max-width: 800px; min-width: 0; }
.publication-main h3 { font: 400 2rem/1.4 var(--serif); letter-spacing: -.03em; }
.publication-main h3 a:hover { text-decoration: underline; text-decoration-thickness: 1px; }
.publication-subtitle { font-size: 1rem; line-height: 1.8; margin-top: 13px; max-width: 690px; }
.publication-main>p:not(.publication-subtitle) { font-size: 1rem; color: var(--muted); line-height: 1.85; max-width: 710px; margin-top: 18px; }
.publication-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 35px; margin-top: 20px; }
.publication-resource { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-family: var(--sans); font-size: .875rem; font-weight: 500; white-space: nowrap; }
.publication-resource img { display: block; width: 20px; height: auto; }
a.publication-resource:hover { text-decoration: underline; text-underline-offset: 4px; }
.publication-resource-pending { color: var(--muted); }
.publication-resource .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.research-agenda { background: var(--wash); }
.program-list { margin-top: 40px; }
.research-program { display: grid; grid-template-columns: 240px minmax(0,1fr); gap: 65px; padding-block: 35px; border-top: 1px solid #d2d4dc; }
.research-program:last-child { padding-bottom: 0; }
.research-program h3 { font: 400 1.875rem/1.4 var(--serif); color: var(--accent); letter-spacing: -.03em; }
.research-program .program-question { font-size: 1.4375rem; line-height: 1.5; margin-bottom: 16px; letter-spacing: -.025em; color: var(--ink); }
.research-program p { font-size: 1rem; color: var(--muted); line-height: 1.85; max-width: 715px; }
.research-program ul { padding-left: 19px; margin-top: 18px; margin-bottom: 0; font-size: .875rem; line-height: 1.9; color: var(--muted); }
.research-program li { padding-left: 5px; }
.research-program li::marker { color: var(--accent); }
.participation-band { display: flex; align-items: center; justify-content: space-between; gap: 45px; padding-block: 62px; }
.participation-band h2 { font-size: 1.75rem; line-height: 1.4; letter-spacing: -.035em; margin-bottom: 15px; }
.participation-band p:not(.eyebrow) { color: var(--muted); font-size: 1rem; max-width: 630px; }
.participation-band .eyebrow { margin-bottom: 13px; }
.participation-band .button { flex-shrink: 0; }
.mission-grid { display: grid; grid-template-columns: 210px minmax(0,1fr); gap: 80px; padding-block: 49px 55px; border-bottom: 1px solid var(--line); }
.margin-label { color: var(--accent); font-size: .875rem; padding-top: 7px; }
.mission-copy { max-width: 730px; }
.mission-copy h2 { font-size: 1.9rem; line-height: 1.45; letter-spacing: -.035em; margin-bottom: 23px; }
.mission-copy p { font-size: 1.0625rem; color: var(--muted); line-height: 1.9; margin-bottom: 20px; }
.mission-copy p:last-child { margin-bottom: 0; }
/* Anonymity pairs a short overview with a navigable essay. */
.anonymity-hero { background: var(--accent-dark); color: white; padding-bottom: 66px; }
.anonymity-hero .breadcrumbs,.anonymity-hero .eyebrow { color: #d5c2cd; }
.anonymity-hero .inner-hero-intro { color: #e9e1e6; }
.anonymity-hero a:hover { color: white; }
.anonymity-hero a:focus-visible { outline-color: white; }
.anonymity-overview { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 48px; padding-block: 35px 37px; border-bottom: 1px solid var(--line); }
.anonymity-overview>a { display: grid; grid-template-columns: 1fr auto; gap: 12px 18px; }
.anonymity-overview>a>span:first-child { font-size: 1rem; font-weight: 500; }
.anonymity-overview p { grid-column: 1; font-size: .875rem; color: var(--muted); line-height: 1.8; }
.anonymity-overview .overview-arrow { grid-column: 2; grid-row: 1 / 3; align-self: center; color: var(--accent); }
.anonymity-overview>a:hover>span:first-child { text-decoration: underline; }
.anonymity-layout { display: grid; grid-template-columns: 230px minmax(0,1fr); gap: 80px; align-items: start; padding-block: 60px 35px; }
.mobile-essay-contents { display: none; }
.essay-sidebar { position: sticky; top: 35px; }
.essay-sidebar nav { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.sidebar-label { font-size: .8125rem; color: var(--ink); font-weight: 500; padding-bottom: 13px; margin-bottom: 6px; border-bottom: 1px solid var(--line); width: 100%; }
.essay-sidebar nav a { font-size: .875rem; line-height: 1.6; color: var(--muted); padding-block: 5px; }
.essay-sidebar nav a:hover { color: var(--accent); text-decoration: underline; }
.anonymity-note { margin-top: 28px; padding: 21px; background: var(--wash); border-radius: 3px; }
.anonymity-note p { font-size: .8125rem; line-height: 1.85; color: var(--muted); }
.anonymity-note p:first-child { font-size: .875rem; color: var(--accent); font-weight: 500; margin-bottom: 11px; }
.institute-essay { min-width: 0; max-width: 750px; }
.institute-essay section+section { margin-top: 46px; }
.institute-essay h2 { font: 400 1.875rem/1.45 var(--serif); letter-spacing: -.03em; margin-bottom: 24px; text-wrap: balance; }
.institute-essay p { font-size: 1.0625rem; line-height: 1.95; color: var(--muted); margin-bottom: 19px; }
.institute-essay a { color: var(--accent); text-decoration: underline; }
.essay-reference { font-size: .8125rem; white-space: nowrap; }
.accountability-panel { padding: 31px 34px; background: var(--tint); border-radius: 4px; border-left: 3px solid var(--accent); }
.accountability-panel h2 { font: 500 1.5rem/1.45 var(--sans); }
.accountability-panel p { font-size: 1rem; }
.accountability-panel p:last-child { margin-bottom: 0; }
.essay-sources { padding-top: 30px; border-top: 1px solid var(--line); }
.essay-sources h2 { font: 500 1.125rem var(--sans); }
.essay-sources ol { padding-left: 23px; font-size: .875rem; line-height: 1.85; color: var(--muted); }
.essay-sources li { padding-left: 6px; margin-bottom: 18px; overflow-wrap: anywhere; }
.essay-sources li:target { background: var(--tint); outline: 6px solid var(--tint); }
.site-footer { background: var(--wash); padding-block: 49px 23px; border-top: 1px solid var(--line); }
.footer-main { display: grid; grid-template-columns: 1.65fr 1fr 1fr; gap: 70px; padding-bottom: 40px; }
.footer-name { font-size: 2.25rem; font-weight: 600; line-height: 1.2; letter-spacing: -.04em; }
.footer-expansion { display: block; font-size: .875rem; line-height: 1.8; max-width: 310px; margin-top: 14px; }
.footer-main p { font-size: .8125rem; color: var(--muted); margin-top: 12px; }
.footer-main nav { display: flex; flex-direction: column; align-items: flex-start; gap: 11px; font-size: .875rem; }
.footer-label { color: var(--muted); font-size: .8125rem; margin-bottom: 5px; }
.footer-main nav a:hover { text-decoration: underline; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; border-top: 1px solid var(--line); padding-top: 22px; font-size: .75rem; color: var(--muted); }
.footer-bottom a:hover { text-decoration: underline; }
/* Complete manuscript, including accessible mathematics and reference links. */
.paper-hero { padding-block: 28px 48px; border-bottom: 1px solid var(--line); }
.paper-heading { max-width: 900px; }
.paper-hero h1 { font-family: var(--serif); font-weight: 400; font-size: 49px; line-height: 1.24; letter-spacing: -1.5px; margin: 18px 0; }
.paper-meta { display: flex; flex-wrap: wrap; gap: 12px; color: var(--muted); font-size: 14px; align-items: center; }
.paper-meta .publication-type { color: var(--accent); }
.meta-separator { color: #a0a0aa; }
.article-subtitle { font-size: 20px; line-height: 1.7; color: var(--muted); max-width: 770px; margin-bottom: 26px; }
.article-actions { display: flex; gap: 26px; align-items: center; flex-wrap: wrap; }
.article-details { font-size: 13px; color: var(--muted); }
.reading-layout { display: grid; grid-template-columns: 210px minmax(0,1fr); gap: 64px; align-items: start; padding-block: 47px 78px; }
.contents-sidebar { position: sticky; top: 35px; max-height: calc(100vh - 70px); overflow-y: auto; padding-right: 12px; }
.contents-title { font-size: 14px; font-weight: 500; padding-bottom: 15px; margin-bottom: 17px; border-bottom: 1px solid var(--line); }
.contents-sidebar nav,.mobile-contents nav { display: flex; flex-direction: column; gap: 14px; }
.contents-sidebar nav a,.mobile-contents nav a { display: flex; gap: 9px; color: var(--muted); font-size: 14px; line-height: 1.5; border-left: 2px solid transparent; padding-left: 10px; transition: color .15s, border-color .15s; }
.contents-sidebar nav a:hover,.mobile-contents nav a:hover { color: var(--accent); text-decoration: underline; }
.contents-sidebar nav a>span,.mobile-contents nav a>span { min-width: 13px; color: #82828b; }
.contents-sidebar nav a[aria-current="location"],.mobile-contents nav a[aria-current="location"] { color: var(--accent); border-left-color: var(--accent); font-weight: 600; }
.contents-sidebar nav a[aria-current="location"]>span,.mobile-contents nav a[aria-current="location"]>span { color: inherit; }
.contents-foot { margin-top: 23px; padding-top: 17px; border-top: 1px solid var(--line); font-size: 13px; line-height: 1.8; color: var(--muted); }
.reading-main { min-width: 0; max-width: 790px; }
.paper-text { font-family: var(--serif); font-size: 17px; line-height: 1.95; }
.paper-text h2 { font-family: var(--sans); font-size: 25px; font-weight: 500; line-height: 1.5; letter-spacing: -.55px; margin: 49px 0 22px; }
.paper-text h3 { font-family: var(--sans); font-size: 19px; font-weight: 600; line-height: 1.6; margin: 32px 0 18px; }
.paper-text p { margin-bottom: 23px; }
.paper-text .paper-disclosure { font-size: .875rem; line-height: 1.6; margin: 0 0 28px; }
.paper-text .abstract { border-bottom: 1px solid var(--line); padding-bottom: 30px; margin-bottom: 35px; }
.paper-text .abstract h2 { font-size: 19px; margin: 0 0 17px; }
.paper-text .abstract p { font-family: var(--sans); font-size: 16px; line-height: 1.9; color: var(--muted); margin-bottom: 0; }
.paper-text .citation { font-family: var(--sans); font-size: 11px; vertical-align: super; margin-left: 2px; white-space: nowrap; line-height: 0; color: var(--accent); }
.paper-text .citation:hover { text-decoration: underline; }
.table-scroll,.math-scroll { overflow-x: auto; max-width: 100%; overscroll-behavior-inline: contain; }
.table-scroll { margin: 26px 0 32px; border: 1px solid var(--line); }
.paper-text table { border-collapse: collapse; width: 100%; min-width: 590px; font-family: var(--sans); font-size: 14px; line-height: 1.75; }
.paper-text th { text-align: left; background: var(--wash); font-weight: 600; }
.paper-text td,.paper-text th { padding: 14px 15px; border: 1px solid var(--line); vertical-align: top; }
.paper-text td:first-child { font-weight: 500; min-width: 135px; }
.math-scroll { margin: 29px 0; padding: 14px 4px; background: var(--wash); font-size: .9em; }
.math-scroll .katex-display { margin: 6px 18px; min-width: max-content; text-align: left; }
.math-scroll .katex-display>.katex { white-space: nowrap; text-align: left; }
.paper-text .sources { margin-top: 55px; border-top: 1px solid var(--line); padding-top: 9px; }
.sources ol { padding-left: 25px; font-family: var(--sans); font-size: 14px; line-height: 1.9; color: var(--muted); }
.sources li { padding-left: 7px; margin-bottom: 20px; scroll-margin-top: 35px; overflow-wrap: anywhere; }
.sources li:target { background: #f2e9ed; outline: 6px solid #f2e9ed; }
.sources li a { color: var(--accent); text-decoration: underline; white-space: nowrap; }
.article-end { display: flex; justify-content: space-between; gap: 25px; border-top: 1px solid var(--line); padding-top: 25px; margin-top: 45px; }
.mobile-contents { display: none; }
.missing-page { min-height: 55vh; padding-block: 70px 100px; }
.missing-page h1 { font-size: 44px; letter-spacing: -1.5px; margin: 15px 0 20px; }
.missing-page p { color: var(--muted); margin-bottom: 25px; }
@media (min-width: 1600px) { .shell { width: min(1240px,calc(100% - 160px)); } .institute-hero { padding-block: 100px; } .institute-hero h1 { font-size: 5rem; } }
@media (max-width: 1150px) {
  .brand-detail { display: none; }
  .institute-hero,.purpose-layout,.approach-section,.contact-section,.inner-hero-grid { gap: 55px; }
  .area-grid,.contribution-grid,.anonymity-overview { gap: 32px; }
  .anonymity-layout { grid-template-columns: 205px minmax(0,1fr); gap: 50px; }
  .research-program { grid-template-columns: 200px minmax(0,1fr); gap: 45px; }
  .mission-grid { gap: 50px; }
  .anonymity-feature { gap: 40px; }
  .footer-main { gap: 40px; }
}
@media (max-width: 900px) {
  .shell { width: calc(100% - 64px); }
  .desktop-nav { gap: 19px; }
  .institute-hero { gap: 35px; padding-block: 65px; grid-template-columns: 1.2fr 1fr; }
  .institute-hero h1 { font-size: 3.45rem; }
  .institute-intro p { font-size: 1.0625rem; }
  .inner-hero-grid { gap: 40px; }
  .inner-hero-intro { font-size: 1.0625rem; }
  .page-hero h1 { font-size: 3.8rem; }
  .purpose-section h2 { font-size: 2.3rem; }
  .area-grid { gap: 28px; }
  .area-summary h3 { font-size: 1.5rem; }
  .section-heading h2 { font-size: 1.9rem; }
  .section-intro { max-width: 350px; }
  .contribution-grid { gap: 25px; }
  .contribution-grid h3 { font-size: 1.125rem; }
  .anonymity-layout { grid-template-columns: 180px minmax(0,1fr); gap: 35px; }
  .anonymity-overview { gap: 27px; }
  .anonymity-overview>a { gap: 10px; }
  .anonymity-overview .overview-arrow { display: none; }
  .institute-essay h2 { font-size: 1.65rem; }
  .research-program { grid-template-columns: 165px minmax(0,1fr); gap: 35px; }
  .mission-grid { grid-template-columns: 155px minmax(0,1fr); gap: 40px; }
  .contact-section { gap: 45px; }
  .contact-address { padding-left: 25px; }
  .reading-layout { grid-template-columns: 170px minmax(0,1fr); gap: 40px; }
}
@media (max-width: 760px) {
  .shell { width: calc(100% - 48px); }
  .section-space { padding-block: 52px; }
  .header-inner { min-height: 82px; }
  .desktop-nav { display: none; }
  .mobile-menu { display: block; }
  .mobile-menu summary { display: flex; align-items: center; gap: 15px; cursor: pointer; font-size: .875rem; padding: 12px 0 12px 12px; list-style: none; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu summary svg { width: 22px; height: 22px; stroke: currentColor; stroke-width: 1.4; fill: none; }
  .mobile-menu[open] summary { color: var(--accent); }
  .mobile-menu nav { position: absolute; top: 100%; left: -24px; right: -24px; padding: 18px 24px 23px; display: flex; flex-direction: column; gap: 5px; background: white; border-bottom: 1px solid var(--line); box-shadow: 0 12px 18px #25252d0a; }
  .mobile-menu nav a { padding: 10px 12px; min-height: 44px; font-size: 1rem; }
  .mobile-menu nav a:hover,.mobile-menu nav a[aria-current=page] { color: var(--accent); background: var(--wash); }
  .institute-hero { grid-template-columns: 1fr; gap: 30px; padding-block: 49px 56px; }
  .institute-hero h1 { font-size: clamp(2.8rem,8.5vw,4rem); max-width: 560px; }
  .institute-intro { max-width: 530px; }
  .institute-intro .button { margin-top: 23px; }
  .section-heading { align-items: start; flex-direction: column; gap: 19px; }
  .section-intro { max-width: 540px; }
  .section-heading>.text-link { padding-top: 0; }
  .area-grid { grid-template-columns: 1fr; gap: 30px; margin-top: 30px; }
  .area-summary { padding-top: 22px; }
  .area-summary h3 { font-size: 1.85rem; margin-bottom: 14px; }
  .area-summary .area-focus { margin-bottom: 10px; }
  .area-summary p { max-width: 570px; }
  .purpose-section { padding-block: 51px; }
  .purpose-layout,.approach-section { grid-template-columns: 1fr; gap: 32px; }
  .purpose-section h2 { font-size: 2.3rem; }
  .purpose-copy { max-width: 580px; }
  .approach-intro { max-width: 530px; }
  .principle-list>div:first-child { padding-top: 23px; border-top: 1px solid var(--line); }
  .anonymity-feature { grid-template-columns: 1fr; gap: 23px; padding: 30px; margin-bottom: 52px; }
  .anonymity-feature h2 { max-width: 490px; }
  .contribution-grid { grid-template-columns: 1fr; gap: 24px; margin-top: 28px; }
  .contribution-grid h3 { font-size: 1.25rem; margin-bottom: 12px; }
  .contribution-grid p { margin-bottom: 10px; max-width: 580px; }
  .contribute-note { margin-top: 27px; }
  .contact-section { grid-template-columns: 1fr; gap: 32px; padding-block: 55px; }
  .contact-address { padding-left: 24px; max-width: 540px; }
  .contact-address>a { font-size: 1.6rem; }
  .contact-section>div>p:not(.eyebrow) { max-width: 510px; }
  .page-hero { padding-block: 23px 42px; }
  .breadcrumbs { margin-bottom: 35px; }
  .inner-hero-grid { grid-template-columns: 1fr; gap: 25px; }
  .page-hero h1 { font-size: 3.55rem; }
  .page-hero .eyebrow { margin-bottom: 13px; }
  .inner-hero-intro { font-size: 1.0625rem; max-width: 570px; }
  .section-nav>.shell { gap: 28px; }
  .section-nav a { min-height: 59px; padding-block: 16px; }
  .publication-row { grid-template-columns: 1fr; gap: 23px; padding-block: 27px; }
  .publication-date { flex-direction: row; flex-wrap: wrap; gap: 12px 20px; font-size: .8125rem; }
  .publication-topic { display: none; }
  .publication-main h3 { font-size: 1.85rem; }
  .research-program { grid-template-columns: 1fr; gap: 17px; padding-block: 29px; }
  .research-program h3 { font-size: 1.75rem; }
  .research-program .program-question { font-size: 1.3rem; }
  .participation-band { flex-direction: column; align-items: flex-start; gap: 25px; padding-block: 49px; }
  .participation-band h2 { font-size: 1.65rem; }
  .mission-grid { grid-template-columns: 1fr; gap: 17px; padding-block: 34px 39px; }
  .mission-copy h2 { font-size: 1.75rem; margin-bottom: 19px; }
  .mission-copy p { font-size: 1rem; }
  .anonymity-overview { grid-template-columns: 1fr; gap: 0; padding-block: 13px; }
  .anonymity-overview>a { grid-template-columns: 1fr auto; padding-block: 18px; border-bottom: 1px solid var(--line); }
  .anonymity-overview>a:last-child { border-bottom: 0; }
  .anonymity-overview .overview-arrow { display: block; }
  .anonymity-overview p { max-width: 550px; }
  .anonymity-layout { grid-template-columns: 1fr; gap: 33px; padding-top: 34px; }
  .essay-sidebar { position: static; }
  .essay-sidebar .desktop-essay-contents { display: none; }
  .mobile-essay-contents { display: block; padding-bottom: 22px; }
  .mobile-essay-contents summary { font-size: .875rem; cursor: pointer; padding-block: 10px; }
  .mobile-essay-contents nav { padding-top: 10px; }
  .anonymity-note { margin-top: 0; padding: 24px; }
  .anonymity-note p { font-size: .875rem; }
  .institute-essay h2 { font-size: 1.8rem; }
  .institute-essay p { font-size: 1rem; }
  .accountability-panel { padding: 25px; }
  .accountability-panel h2 { font-size: 1.4rem; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-identity { grid-column: 1 / -1; }
  .footer-expansion { max-width: 500px; }
  .footer-main nav { font-size: .8125rem; }
  .reading-layout { display: block; padding-top: 26px; }
  .reading-main { margin-inline: auto; }
  .contents-sidebar { display: none; }
  .mobile-contents { display: block; border-block: 1px solid var(--line); margin-bottom: 32px; padding-block: 14px; font-size: .875rem; }
  .mobile-contents summary { cursor: pointer; font-weight: 500; }
  .mobile-contents nav { display: grid; grid-template-columns: 1fr 1fr; padding-block: 20px 8px; gap: 16px; }
  .paper-hero h1 { font-size: 2.6rem; }
}
@media (max-width: 420px) {
  .shell { width: calc(100% - 40px); }
  .brand-mark { width: 30px; height: 34px; }
  .brand-name { font-size: 1.8rem; }
  .mobile-menu nav { left: -20px; right: -20px; padding-inline: 20px; }
  .eyebrow { font-size: .75rem; }
  .institute-hero h1 { font-size: 2.85rem; }
  .section-heading h2,.approach-intro h2 { font-size: 1.8rem; }
  .anonymity-feature { padding: 27px; }
  .contact-address>a { font-size: 1.35rem; }
  .page-hero h1 { font-size: 3rem; }
  .section-nav>.shell { display: grid; grid-template-columns: 1fr 1fr; gap: 0 25px; }
  .section-nav a { min-height: 44px; padding-block: 9px; }
  .publication-main h3 { font-size: 1.65rem; }
  .publication-actions { gap: 15px 25px; }
  .accountability-panel { padding: 23px; }
  .footer-main { gap: 30px 20px; }
  .footer-main nav a { overflow-wrap: anywhere; }
  .paper-hero h1 { font-size: 2.2rem; }
  .article-subtitle { font-size: 1.125rem; }
  .article-actions { gap: 16px 23px; }
  .article-details { width: 100%; }
  .paper-text { font-size: 1rem; }
  .paper-text h2 { font-size: 1.4375rem; margin-top: 37px; }
  .paper-text h3 { font-size: 1.125rem; }
  .mobile-contents nav { grid-template-columns: 1fr; }
  .math-scroll { font-size: .85em; }
  .article-end { gap: 15px; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior: auto; } *,*::before,*::after { transition: none!important; animation: none!important; } }
@media print {
  .site-header,.site-footer,.skip-link,.breadcrumbs,.article-actions,.contents-sidebar,.mobile-contents,.article-end,.essay-sidebar,.section-nav,.participation-band { display: none; }
  body { color: #000; background: #fff; }
  .shell { width: 100%; }
  .paper-hero { padding: 0 0 20px; }
  .paper-hero h1 { font-size: 30pt; }
  .reading-layout,.anonymity-layout { display: block; padding: 0; }
  .reading-main,.institute-essay { max-width: none; }
  .paper-text { font-size: 11pt; }
  .math-scroll { overflow: visible; background: none; }
  .paper-text h2,.paper-text h3 { break-after: avoid; }
  .paper-text .sources { break-before: page; page-break-before: always; }
  .sources li { break-inside: avoid; }
}
/* Contribution guidelines and browser-independent email preparation. */
[hidden] { display: none !important; }
button { font-family: inherit; cursor: pointer; }
button.text-link { background: none; border: 0; padding-inline: 0; text-align: left; }
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.contribution-options { padding-block: 57px 65px; }
.contribution-section-title { font-size: 1.25rem; margin-bottom: 28px; }
.contribution-option { display: grid; grid-template-columns: 300px minmax(0,1fr); gap: 80px; padding-block: 39px; border-top: 1px solid var(--line); }
.contribution-option .eyebrow { margin-bottom: 12px; }
.contribution-option h3 { font: 400 1.95rem/1.4 var(--serif); letter-spacing: -.03em; }
.contribution-option p { color: var(--muted); font-size: 1.0625rem; line-height: 1.85; max-width: 720px; }
.contribution-option h4 { margin: 24px 0 11px; font-size: .875rem; font-weight: 500; }
.contribution-option ul { padding-left: 20px; margin: 0 0 25px; color: var(--muted); font-size: 1rem; line-height: 1.85; }
.contribution-option li { padding-left: 4px; margin-bottom: 7px; }
.contribution-option li::marker { color: var(--accent); }
.contribution-authorship { margin-bottom: 0; }
.contact-workspace { display: grid; grid-template-columns: 300px minmax(0,1fr); gap: 80px; padding-block: 58px 85px; align-items: start; }
.contact-details { min-width: 0; }
.contact-recipient { font-size: 1.25rem; color: var(--accent); overflow-wrap: anywhere; }
.copy-address { margin-top: 12px; }
.copy-status { display: block; font-size: .8125rem; color: var(--accent); line-height: 1.7; min-height: 1.7em; }
.contact-guidance { margin-top: 29px; padding-top: 24px; border-top: 1px solid var(--line); }
.contact-guidance h2 { font-size: 1rem; margin-bottom: 12px; }
.contact-guidance p { font-size: .9375rem; color: var(--muted); line-height: 1.85; }
.contact-guidance .text-link { font-size: .875rem; margin-top: 9px; }
.contact-identity-note { margin-top: 28px; padding: 21px; background: var(--wash); border-radius: 3px; }
.contact-identity-note p,.contact-identity-note a { font-size: .8125rem; color: var(--muted); line-height: 1.85; }
.contact-identity-note a { display: inline-block; margin-top: 10px; color: var(--accent); text-decoration: underline; }
.draft-panel { padding: 35px 38px; border: 1px solid var(--line); border-radius: 4px; min-width: 0; }
.draft-panel h2 { font-size: 1.75rem; line-height: 1.4; letter-spacing: -.03em; margin-bottom: 28px; }
.form-field { margin-bottom: 24px; }
.form-field label { display: block; font-size: .875rem; font-weight: 500; margin-bottom: 9px; }
.form-field input,.form-field select,.form-field textarea { display: block; width: 100%; padding: 12px 13px; border: 1px solid #bfc0ca; border-radius: 3px; background: white; color: var(--ink); font: 1rem/1.6 var(--sans); min-width: 0; }
.form-field select { min-height: 51px; cursor: pointer; }
.form-field textarea { min-height: 190px; resize: vertical; }
.form-field textarea::placeholder { color: #767682; }
.draft-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 20px; }
.draft-hint { margin-top: 14px; color: var(--muted); font-size: .8125rem; line-height: 1.8; }
.webmail-options { padding-top: 23px; border-top: 1px solid var(--line); margin-top: 25px; font-size: .875rem; }
.webmail-options>span { color: var(--muted); }
.webmail-options>div { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 25px; margin-top: 10px; }
.webmail-options a { padding-block: 8px; color: var(--accent); }
.webmail-options a:hover { text-decoration: underline; }
.webmail-options a span { margin-left: 8px; }
.manual-copy { margin-top: 25px; border-top: 1px solid var(--line); padding-top: 23px; }
.manual-copy label { display: block; font-size: .9375rem; font-weight: 500; }
.manual-copy p { font-size: .875rem; color: var(--muted); margin-block: 12px; }
.manual-copy textarea { width: 100%; padding: 12px; font: .875rem/1.7 var(--sans); border: 1px solid var(--line); resize: vertical; }
@media(max-width:1050px) {
  .contribution-option,.contact-workspace { grid-template-columns: 240px minmax(0,1fr); gap: 45px; }
  .draft-panel { padding: 28px; }
}
@media(max-width:760px) {
  .contribution-options { padding-block: 37px 42px; }
  .contribution-option { grid-template-columns: 1fr; gap: 21px; padding-block: 30px; }
  .contribution-option h3 { font-size: 1.75rem; }
  .contribution-option p { font-size: 1rem; }
  .contact-workspace { grid-template-columns: 1fr; gap: 30px; padding-block: 35px 50px; }
  .contact-details { display: flex; flex-direction: column; }
  .contact-details>.eyebrow { margin-bottom: 12px; }
  .copy-address { align-self: flex-start; margin-top: 8px; }
  .contact-guidance { margin-top: 13px; }
  .contact-identity-note { margin-top: 16px; }
  .draft-panel { padding: 27px; }
  .draft-panel h2 { font-size: 1.5rem; }
}
@media(max-width:420px) { .draft-panel { padding: 22px; } .draft-actions .button { width: 100%; } }