:root {
  color-scheme: light;
  --paper: #ffffff;
  --ink: #19251f;
  --muted: #505a54;
  --lime: #b3d51a;
  --green: #566716;
  --line: #dfe4dd;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 2rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 1rem; line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid var(--green); outline-offset: 7px; border-radius: 2px; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 400; }
p + p { margin-top: 1.2em; }
.page-width { width: min(100% - 8rem, 1312px); margin-inline: auto; }
.skip-link { position: absolute; top: -100px; left: 1rem; padding: .65rem 1rem; background: var(--ink); color: white; z-index: 2; }
.skip-link:focus { top: 1rem; }

.site-header { min-height: 116px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding-block: 1.25rem; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .85rem; flex-shrink: 0; }
.brand img { width: 64px; height: 64px; object-fit: contain; flex-shrink: 0; }
.brand span { font-size: 1.05rem; line-height: 1.23; letter-spacing: -.02em; font-weight: 500; }
.brand .wordmark { font-family: var(--serif); font-size: 1.875rem; font-weight: 400; letter-spacing: -.035em; }
.site-header .brand { flex-shrink: 1; min-width: 0; }
.brand .brand-copy { display: flex; flex-direction: column; gap: .35rem; min-width: 0; max-width: 34rem; }
.brand .brand-descriptor { color: var(--muted); font-size: .875rem; line-height: 1.45; letter-spacing: 0; font-weight: 400; }
nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: .25rem 1.8rem; }
nav a { font-size: .9375rem; padding-block: .6rem; border-bottom: 1px solid transparent; }
nav a:hover { border-color: var(--green); color: var(--green); }

.hero { display: grid; grid-template-columns: 1.24fr 1fr; align-items: center; gap: 2rem; min-height: 630px; padding-block: 5rem 5.8rem; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow { font-size: .875rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; line-height: 1.5; }
.hero .eyebrow { margin-bottom: 2.25rem; }
h1 { font-family: var(--serif); font-size: clamp(3.3rem, 6.15vw, 5.75rem); letter-spacing: -.055em; line-height: 1.06; }
h1 em { color: var(--green); font-weight: 400; }
.hero-description { font-size: 1.1875rem; max-width: 32rem; color: var(--muted); line-height: 1.7; margin-top: 2rem; }
.text-link { display: inline-flex; align-items: center; gap: 1.6rem; font-size: 1rem; margin-top: 2.25rem; padding-bottom: .5rem; border-bottom: 1px solid var(--ink); }
.text-link span { font-size: 1.4rem; line-height: 1; transition: transform .18s ease; }
.text-link:hover { color: var(--green); border-color: var(--green); }
.text-link:hover span { transform: translate(2px, 2px); }
.hero-mark { width: 100%; align-self: center; }
.hero-mark img { width: 100%; aspect-ratio: 1; object-fit: contain; }

.section-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 3rem; }
.purpose { border-top: 1px solid var(--line); padding-block: 5rem 6.5rem; }
.section-label { padding-top: .7rem; }
.short-line { display: block; height: 4px; width: 3rem; background: var(--lime); margin-top: 1.4rem; }
h2 { font-family: var(--serif); font-size: clamp(2.35rem, 3.65vw, 3.5rem); line-height: 1.14; letter-spacing: -.035em; }
.purpose-copy { max-width: 44rem; margin-top: 2.2rem; font-size: 1.125rem; color: var(--muted); }
.founder-note { margin-bottom: 1.75rem; }
.founder-note a { color: var(--green); text-decoration: underline; text-underline-offset: 4px; }
.founder-note a:hover { color: var(--ink); }

.approach { background: var(--ink); color: var(--paper); padding-block: 5.5rem 3.5rem; border-top: 5px solid var(--lime); }
.approach-intro { margin-bottom: 4.5rem; }
.approach-intro > .eyebrow { padding-top: .7rem; color: #d0dbcb; }
.approach h2 em { color: var(--lime); font-weight: 400; }
.approach-row { display: grid; grid-template-columns: 1fr 2fr; gap: 3rem; padding-block: 2.5rem 2.7rem; border-top: 1px solid #455048; }
.approach h3 { font-size: 1.375rem; letter-spacing: -.02em; line-height: 1.4; }
.approach-row > div { max-width: 44rem; font-size: 1.0625rem; color: #dce2dc; }

.research { padding-block: 5rem 5.5rem; }
.audience-section { border-top: 1px solid var(--line); }
.sector-link { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.sector-link:hover { color: var(--green); border-color: var(--green); }
.research-copy { max-width: 44rem; margin-top: 2rem; font-size: 1.125rem; color: var(--muted); }
.research-area { margin-top: 2.5rem; }
.research-area h3 { font-family: var(--serif); font-size: clamp(1.7rem, 2.5vw, 2.1rem); line-height: 1.2; letter-spacing: -.025em; }
.research-area .research-copy { margin-top: 1.2rem; }
.research-link { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; max-width: 44rem; margin-top: 2rem; padding: 1.4rem 0; border-block: 1px solid var(--line); font-family: var(--serif); font-size: 1.8rem; line-height: 1.3; }
.research-link-arrow { font-family: var(--sans); font-size: 1.5rem; color: var(--green); }
.research-link:hover { color: var(--green); border-color: var(--green); }
.people { padding-block: 4.5rem 5rem; border-top: 1px solid var(--line); }
.person-profile { display: grid; grid-template-columns: 1fr 2fr; gap: 3rem; margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.person-identity h3 { font-family: var(--serif); font-size: 2rem; line-height: 1.2; letter-spacing: -.025em; }
.person-role { margin-top: .6rem; font-size: .9375rem; color: var(--green); }
.person-bio { max-width: 44rem; font-size: 1.125rem; color: var(--muted); }
.publication-page { min-height: 100vh; display: flex; flex-direction: column; }
.publication-main { flex: 1; padding-block: 2.5rem 6rem; }
.publication-back { display: inline-flex; align-items: center; gap: .8rem; font-size: .9375rem; padding-block: .5rem; color: var(--muted); }
.publication-back:hover { color: var(--green); text-decoration: underline; text-underline-offset: 4px; }
.publication-content { max-width: 54rem; padding-top: 4rem; }
.publication-content .eyebrow { margin-bottom: 1.8rem; }
.publication-content h1 { font-size: clamp(3rem, 6vw, 5rem); }
.publication-introduction { max-width: 43rem; margin-top: 2rem; font-size: 1.1875rem; color: var(--muted); }
.publication-section { margin-top: 3.5rem; }
.publication-section h2 { font-size: clamp(1.9rem, 3vw, 2.65rem); margin-bottom: 1.4rem; }
.publication-section > p { color: var(--muted); font-size: 1.0625rem; max-width: 46rem; }
.framework-table { width: 100%; margin-block: 2rem; border-collapse: collapse; font-size: 1rem; line-height: 1.6; }
.framework-table caption { text-align: left; color: var(--muted); font-size: .9375rem; margin-bottom: .8rem; }
.framework-table th, .framework-table td { border-bottom: 1px solid var(--line); padding: 1rem; text-align: left; vertical-align: top; }
.framework-table thead { background: var(--ink); color: var(--paper); }
.framework-table th { font-weight: 500; }
.framework-table tbody th { width: 25%; color: var(--green); }
.framework-table td { color: var(--muted); }

.site-footer { padding-block: 2rem; border-top: 1px solid var(--line); }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; margin-bottom: 1rem; }
.copyright, .brand-rights { color: var(--muted); font-size: .875rem; line-height: 1.6; }
.brand-rights { margin-top: .3rem; }
.footer-brand img { width: 48px; height: 48px; }
.footer-brand span { font-size: .9375rem; }
.footer-brand .wordmark { font-size: 1.45rem; }
.back-to-top { display: inline-flex; align-items: center; gap: 1.1rem; font-size: .875rem; padding-block: .6rem; }
.back-to-top:hover { text-decoration: underline; text-underline-offset: 5px; }

@media (min-width: 1550px) {
  .hero { min-height: 710px; }
}
@media (max-width: 1050px) {
  .page-width { width: calc(100% - 5rem); }
  .hero { gap: .5rem; min-height: 580px; padding-block: 4rem; }
  .hero-description { font-size: 1.0625rem; }
  .section-grid, .approach-row, .person-profile { grid-template-columns: 1fr 2.15fr; gap: 2rem; }
}
@media (max-width: 760px) {
  .page-width { width: calc(100% - 2.5rem); }
  .site-header { min-height: 95px; flex-wrap: wrap; padding-block: 1rem; gap: .65rem; }
  .site-header .brand { width: 100%; }
  .site-header nav { width: 100%; justify-content: flex-end; }
  .brand { gap: .4rem; }
  .brand img { width: 48px; height: 48px; }
  .brand span { font-size: .9375rem; }
  .brand .wordmark { font-size: 1.6rem; }
  nav { gap: 1.15rem; }
  nav a { font-size: .875rem; }
  .hero { grid-template-columns: 1fr; padding-block: 3.5rem 2rem; gap: 1.5rem; min-height: auto; }
  .hero .eyebrow { margin-bottom: 1.8rem; }
  h1 { font-size: clamp(3.1rem, 9.5vw, 4.6rem); }
  .hero-description { max-width: 34rem; margin-top: 1.5rem; }
  .text-link { margin-top: 1.8rem; }
  .hero-mark { width: min(75%, 330px); margin-inline: auto; }
  .section-grid, .approach-row, .person-profile { grid-template-columns: 1fr; gap: 1.6rem; }
  .purpose { padding-block: 3rem 3.75rem; }
  h2 { font-size: clamp(2.15rem, 6.4vw, 3rem); }
  .section-label { padding-top: 0; display: flex; align-items: center; gap: 1.2rem; }
  .short-line { margin-top: 0; width: 2rem; height: 3px; }
  .purpose-copy { font-size: 1.0625rem; margin-top: 1.5rem; }
  .approach { padding-block: 3.2rem 1.5rem; }
  .approach-intro { margin-bottom: 2.4rem; }
  .approach-intro > .eyebrow { padding-top: 0; }
  .approach-row { padding-block: 2rem; gap: 1.25rem; }
  .approach h3 { font-size: 1.25rem; }
  .approach h3 br { display: none; }
  .research { padding-block: 3.2rem; }
  .research-copy { margin-top: 1.5rem; font-size: 1.0625rem; }
  .research-link { font-size: 1.6rem; }
  .people { padding-block: 3rem; }
  .person-profile { margin-top: 1.75rem; padding-top: 1.5rem; }
  .person-bio { font-size: 1.0625rem; }
  .framework-table th, .framework-table td { padding: .85rem .55rem; }
  .publication-section { margin-top: 2.75rem; }
  .publication-main { padding-block: 1.5rem 3.5rem; }
  .publication-content { padding-top: 2.5rem; }
  .publication-introduction { font-size: 1.0625rem; }
  .site-footer { padding-block: 1.5rem; }
  .footer-brand span { font-size: .875rem; }
  .footer-brand .wordmark { font-size: 1.35rem; }
}
@media (max-width: 420px) {
  .site-header { flex-wrap: wrap; padding-block: 1rem; gap: .5rem; }
  nav { width: 100%; justify-content: flex-end; }
  .hero { padding-top: 2.5rem; }
  .eyebrow { font-size: .8125rem; }
  .footer-top { align-items: flex-start; flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

.purpose-topic + .purpose-topic { margin-top: 1.75rem; }
.purpose-topic h3 { margin: 0 0 .55rem; font-family: Georgia, serif; font-size: 1.4rem; font-weight: 400; color: var(--ink); }
.purpose-topic p { margin-top: 0; }

.publication-byline { margin-top: 3.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); font-size: 1rem; }