:root {
  --ink: #172021;
  --muted: #596364;
  --paper: #fbfaf7;
  --warm: #f2efe8;
  --line: #d9d6ce;
  --accent: #385d5f;
  --accent-deep: #203f41;
  --white: #ffffff;
  --max: 1180px;
  --serif: "Libre Baskerville", Georgia, serif;
  --sans: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--sans); color: var(--ink); background: var(--paper); line-height: 1.65; }
a { color: inherit; }
img { max-width: 100%; display: block; }
section[id] { scroll-margin-top: 96px; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.narrow { width: min(calc(100% - 40px), 980px); }
.section { padding: 96px 0; }
.section-light { background: var(--warm); }
.section-dark { background: var(--accent-deep); color: var(--white); }

.skip-link { position: fixed; top: 10px; left: 10px; z-index: 1000; background: #fff; padding: 10px 14px; transform: translateY(-150%); }
.skip-link:focus { transform: none; }

.site-header { position: sticky; top: 0; z-index: 100; backdrop-filter: blur(14px); background: rgba(251,250,247,.93); border-bottom: 1px solid rgba(217,214,206,.8); }
.nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { text-decoration: none; display: inline-flex; align-items: baseline; gap: 8px; }
.brand-name { font-family: var(--serif); font-size: 19px; font-weight: 700; }
.brand-credentials { font-size: 12px; letter-spacing: .06em; color: var(--muted); }
.site-nav { display: flex; align-items: center; gap: 25px; }
.site-nav > a:not(.button) { text-decoration: none; font-size: 14px; font-weight: 600; }
.site-nav > a:not(.button):hover { color: var(--accent); }
.nav-toggle { display: none; border: 1px solid var(--line); background: transparent; padding: 8px 11px; font: inherit; }

:focus-visible { outline: 3px solid #79a6a8; outline-offset: 3px; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 20px; border: 1px solid var(--accent); background: var(--accent); color: var(--white); text-decoration: none; font-weight: 700; font-size: 14px; transition: .2s ease; }
.button:hover { transform: translateY(-1px); background: var(--accent-deep); border-color: var(--accent-deep); }
.button-outline { background: transparent; color: var(--accent-deep); }
.button-outline:hover { color: var(--white); }
.button-small { min-height: 40px; padding: 9px 15px; }

.hero { padding-top: 72px; padding-bottom: 84px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 72px; align-items: center; }
.eyebrow { margin: 0 0 18px; color: var(--accent); text-transform: uppercase; letter-spacing: .18em; font-weight: 700; font-size: 12px; }
.eyebrow-light { color: #b8d2d3; }
h1,h2,h3 { font-family: var(--serif); line-height: 1.2; }
h1 { margin: 0; font-size: clamp(48px, 6vw, 78px); letter-spacing: -.04em; }
h1 span { color: var(--accent); font-size: .64em; letter-spacing: -.02em; }
h2 { margin: 0 0 30px; font-size: clamp(34px, 4vw, 50px); letter-spacing: -.025em; }
h3 { margin: 0 0 10px; font-size: 20px; }
.hero-subtitle { margin: 28px 0 20px; font-weight: 700; font-size: 19px; }
.hero-intro { max-width: 690px; font-size: 18px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.credential-strip { display: flex; flex-wrap: wrap; gap: 18px 28px; margin-top: 34px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-weight: 600; font-size: 13px; }
.hero-photo-wrap { margin: 0; position: relative; }
.hero-photo-wrap::before { content: ""; position: absolute; inset: 24px -18px -18px 24px; background: #d8e1dd; z-index: -1; }
.hero-photo { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 18%; }

.about-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 58px; }
.lead { font-family: var(--serif); font-size: 21px; line-height: 1.55; }
.inline-links { display: flex; flex-direction: column; gap: 8px; margin-top: 24px; font-weight: 700; }
.inline-links a { color: var(--accent-deep); }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 42px; }
.card { background: var(--white); border: 1px solid var(--line); padding: 28px; min-height: 190px; }
.card p { color: var(--muted); margin-bottom: 0; }

.research-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: start; }
.research-copy { font-size: 18px; color: #e3eded; }
.text-link-light { color: #d1e8e8; font-weight: 700; }

.section-heading-row { display: flex; justify-content: space-between; gap: 40px; align-items: end; margin-bottom: 34px; }
.publication-list { border-top: 1px solid #bbb8b0; }
.publication { display: grid; grid-template-columns: 86px 1fr; gap: 24px; padding: 25px 0; border-bottom: 1px solid #cbc7bf; }
.publication h3 { margin: 0 0 6px; font-size: 19px; }
.publication p { margin: 0; color: var(--muted); }
.pub-year { font-weight: 700; color: var(--accent) !important; }

.connect-panel { display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: center; }
.connect-panel h2 { margin-bottom: 20px; }
.connect-panel p { color: var(--muted); max-width: 720px; }
.connect-actions { display: flex; flex-direction: column; gap: 12px; }

.site-footer { background: #11191a; color: #d9e1e1; padding: 48px 0 28px; }
.footer-grid { display: flex; justify-content: space-between; gap: 30px; }
.footer-grid strong { color: #fff; font-family: var(--serif); }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: #d9e1e1; }
.legal { margin-top: 32px; padding-top: 24px; border-top: 1px solid #314142; font-size: 12px; color: #9eaaaa; }

/* Combined research/publications section */
.publication-panel { margin-top: 70px; padding-top: 62px; border-top: 1px solid rgba(255,255,255,.2); }
.publication-heading-dark h2 { margin-bottom: 0; }
.button-light-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,.65); }
.button-light-outline:hover { background: var(--white); color: var(--accent-deep); border-color: var(--white); }
.publication-list-dark { border-top-color: rgba(255,255,255,.28); }
.publication-list-dark .publication { border-bottom-color: rgba(255,255,255,.2); }
.publication-list-dark .publication h3 { color: var(--white); }
.publication-list-dark .publication p { color: #cbd9d9; }
.publication-list-dark .pub-year { color: #b8d2d3 !important; }

/* Instagram section */
.instagram-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: center; }
.instagram-copy p:not(.eyebrow) { color: var(--muted); font-size: 18px; margin-bottom: 28px; }
.instagram-embed-shell { min-height: 430px; display: flex; align-items: center; justify-content: center; background: var(--white); border: 1px solid var(--line); padding: 22px; overflow: hidden; }
.instagram-embed-shell .instagram-media { margin: 0 auto !important; min-width: 0 !important; width: 100% !important; }

@media (max-width: 900px) {
  .section { padding: 72px 0; }
  .hero-grid, .research-grid, .connect-panel { grid-template-columns: 1fr; gap: 44px; }
  .hero-photo-wrap { max-width: 620px; }
  .about-columns { grid-template-columns: 1fr; gap: 24px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .site-nav { display: none; position: absolute; top: 78px; left: 0; right: 0; padding: 22px 20px 26px; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; }
  .site-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .instagram-grid { grid-template-columns: 1fr; gap: 40px; }
  .publication-panel { margin-top: 54px; padding-top: 48px; }
}

@media (max-width: 600px) {
  body { font-size: 16px; line-height: 1.6; }
  section[id] { scroll-margin-top: 76px; }
  .container, .narrow { width: min(calc(100% - 36px), var(--max)); }
  .section { padding: 56px 0; }

  .nav-wrap { min-height: 68px; gap: 14px; }
  .brand { flex-direction: column; align-items: flex-start; gap: 0; line-height: 1.2; }
  .brand-name { font-size: 17px; }
  .brand-credentials { font-size: 10px; letter-spacing: .08em; }
  .nav-toggle { min-width: 72px; min-height: 44px; padding: 8px 14px; font-size: 15px; }
  .site-nav { top: 68px; gap: 0; max-height: calc(100vh - 68px); padding: 8px 18px 18px; overflow-y: auto; box-shadow: 0 14px 24px rgba(23,32,33,.12); }
  .site-nav > a:not(.button) { padding: 13px 2px; border-bottom: 1px solid var(--line); font-size: 15px; }
  .site-nav .button { width: 100%; margin-top: 14px; }

  .hero { padding: 40px 0 56px; }
  .hero-grid { gap: 36px; }
  .eyebrow { margin-bottom: 12px; font-size: 11px; line-height: 1.5; letter-spacing: .14em; }
  h1 { font-size: clamp(38px, 10.5vw, 42px); line-height: 1.08; letter-spacing: -.045em; }
  h1 span { display: inline-block; margin-top: 8px; font-size: .62em; }
  h2 { margin-bottom: 22px; font-size: clamp(28px, 8vw, 32px); line-height: 1.25; }
  h3 { font-size: 19px; }
  .hero-subtitle { margin: 24px 0 16px; font-size: 17px; line-height: 1.48; }
  .hero-intro { margin: 0; font-size: 16px; line-height: 1.7; }
  .hero-actions { flex-direction: column; margin-top: 24px; }
  .hero-actions .button, .connect-actions .button, .instagram-copy .button, .publication-heading-dark .button { width: 100%; }
  .credential-strip { display: grid; grid-template-columns: 1fr; gap: 7px; margin-top: 28px; padding-top: 20px; font-size: 12px; }
  .hero-photo-wrap { width: calc(100% - 8px); margin-inline: auto; }
  .hero-photo-wrap::before { inset: 12px -8px -8px 12px; }

  .about-columns { gap: 12px; }
  .lead { font-size: 19px; line-height: 1.5; }
  .card-grid { grid-template-columns: 1fr; gap: 12px; margin-top: 28px; }
  .card { min-height: 0; padding: 22px; }
  .research-grid, .connect-panel { gap: 30px; }
  .research-copy, .instagram-copy p:not(.eyebrow) { font-size: 16px; }
  .section-heading-row { align-items: start; flex-direction: column; gap: 20px; margin-bottom: 28px; }
  .publication-panel { margin-top: 42px; padding-top: 38px; }
  .publication { grid-template-columns: 1fr; gap: 3px; padding: 20px 0; }
  .publication h3 { font-size: 17px; line-height: 1.4; }
  .instagram-grid { gap: 30px; }
  .instagram-embed-shell { min-height: 260px; padding: 12px; }

  .site-footer { padding: 38px 0 24px; }
  .footer-grid { flex-direction: column; gap: 22px; }
  .footer-links { gap: 12px 20px; }
  .legal { margin-top: 24px; padding-top: 20px; }
}

@media (max-width: 380px) {
  .container, .narrow { width: min(calc(100% - 32px), var(--max)); }
  .brand-name { font-size: 16px; }
  h1 { font-size: 37px; }
  h2 { font-size: 28px; }
}