@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../fonts/dm-sans-latin.woff2") format("woff2");
}

:root {
  color-scheme: dark;
  --bg: #14171b;
  --surface: #1c2025;
  --text: #f3f3ef;
  --muted: #a7aeb6;
  --line: #343a42;
  --accent: #98cce5;
  --font: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  font-synthesis: none;
  scroll-behavior: smooth;
  scroll-padding-top: 30px;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
img { display: block; max-width: 100%; }
svg { display: inline-block; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
::selection { background: var(--accent); color: var(--bg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
[hidden] { display: none !important; }
.wrap { width: min(1200px, calc(100% - 112px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: absolute; z-index: 10; left: 20px; top: -80px; background: var(--accent); color: var(--bg); padding: 12px 20px; border-radius: 4px; }
.skip-link:focus { top: 16px; }
.eyebrow { font-size: 11px; letter-spacing: .16em; font-weight: 600; text-transform: uppercase; }
.section-number { color: var(--accent); margin-right: 12px; font-variant-numeric: tabular-nums; }
.arrow { width: 20px; height: 20px; flex: 0 0 auto; }

.site-header { height: 108px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.wordmark { font-size: 25px; font-weight: 700; letter-spacing: -.07em; }
.wordmark span { color: var(--accent); }
.site-nav { display: flex; align-items: center; gap: 34px; font-size: 13px; }
.site-nav a { transition: color 150ms ease; }
.site-nav a:hover { color: var(--accent); }
.nav-social { display: inline-flex; align-items: center; gap: 8px; }
.nav-social svg { width: 14px; height: 14px; }

.hero { display: grid; grid-template-columns: 1.25fr .85fr; gap: 70px; align-items: center; padding-block: 78px 82px; }
.hero-kicker { color: var(--accent); margin: 0 0 26px; display: flex; align-items: center; gap: 10px; }
.hero-kicker::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
h1 { font-size: clamp(48px, 5.6vw, 76px); line-height: 1.04; letter-spacing: -.065em; font-weight: 500; margin: 0 0 28px; }
h1 span { display: block; }
.role { max-width: 540px; font-size: 15px; line-height: 1.7; margin: 0 0 22px; }
.role .divider { padding-inline: 7px; color: #737f8b; }
.role .company { color: var(--accent); }
.intro { color: var(--muted); max-width: 450px; font-size: 16px; line-height: 1.75; margin: 0 0 32px; }
.research-cta { display: inline-flex; gap: 28px; align-items: center; font-size: 13px; font-weight: 500; padding-block: 12px; border-bottom: 1px solid var(--accent); }
.research-cta .arrow { color: var(--accent); transition: transform 180ms ease; }
.research-cta:hover .arrow { transform: translateY(3px); }
.portrait { margin: 0; position: relative; }
.portrait::before { content: ""; position: absolute; inset: 18px -16px -16px 18px; border: 1px solid #435b68; border-radius: 12px; z-index: -1; }
.portrait img { width: 100%; height: auto; aspect-ratio: 4 / 4.65; object-fit: cover; object-position: 50% 38%; border-radius: 10px; }
.portrait picture { display: block; }

.social-strip { padding-block: 26px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-block: 1px solid var(--line); }
.social-strip > p { color: var(--muted); margin: 0; flex-shrink: 0; font-size: 10px; }
.social-links { display: flex; flex-wrap: wrap; gap: 26px; align-items: center; }
.social-links a { display: inline-flex; gap: 7px; align-items: center; font-size: 12px; color: #c7ccd2; min-height: 32px; transition: color 150ms ease; }
.social-links a:hover { color: var(--accent); }
.social-links svg { width: 16px; height: 16px; }
.social-links .solid { fill: currentColor; stroke: none; }

.research-section { padding-block: 88px 92px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 34px; }
.section-heading .eyebrow { color: var(--muted); margin: 0 0 18px; }
h2 { font-size: clamp(32px, 3.6vw, 46px); font-weight: 500; line-height: 1.15; letter-spacing: -.045em; margin: 0; }
.section-heading > p { max-width: 340px; color: var(--muted); line-height: 1.7; font-size: 14px; margin: 0 0 3px; }
.research-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.paper { min-width: 0; }
.paper-link { display: flex; flex-direction: column; height: 100%; overflow: hidden; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; transition: border-color 180ms ease, transform 180ms ease; }
.paper-link:hover { border-color: #789eb1; transform: translateY(-3px); }
.paper-link:focus-visible { outline-offset: 4px; }
.paper-figure { background: #fff; height: 228px; padding: 22px 18px; display: flex; align-items: center; justify-content: center; overflow: hidden; border-bottom: 1px solid var(--line); }
.paper-figure img { width: 100%; height: 100%; object-fit: contain; }
.paper--wide { grid-column: span 2; }
.paper--photo .paper-figure { padding: 0; background: #e7ebe2; }
.paper--photo .paper-figure img { object-fit: contain; }
.paper-body { display: flex; flex-direction: column; flex: 1; padding: 23px 24px 22px; }
.paper-meta { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; color: var(--accent); font-size: 10px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 13px; }
.paper-meta time { color: var(--muted); font-variant-numeric: tabular-nums; letter-spacing: .03em; }
.paper h3 { font-size: 18px; font-weight: 500; line-height: 1.4; letter-spacing: -.025em; margin: 0 0 13px; }
.paper-description { color: var(--muted); font-size: 13px; line-height: 1.7; margin: 0 0 25px; }
.paper-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: auto; color: var(--muted); font-size: 11px; }
.paper-footer .arrow { width: 18px; height: 18px; color: var(--text); transition: transform 180ms ease, color 180ms ease; }
.paper-link:hover .paper-footer .arrow { transform: translate(2px, -2px); color: var(--accent); }
.more-research { grid-column: span 2; border-radius: 10px; border: 1px solid #445663; padding: 40px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; position: relative; background: #1b252d; transition: border-color 180ms ease; }
.more-research:hover { border-color: var(--accent); }
.more-research .eyebrow { color: var(--accent); margin: 0 0 34px; }
.more-research h3 { font-size: clamp(34px, 4vw, 52px); line-height: 1.12; font-weight: 400; letter-spacing: -.045em; margin: 0 0 18px; }
.more-research > p:not(.eyebrow) { max-width: 290px; color: var(--muted); line-height: 1.7; font-size: 14px; margin: 0 0 36px; }
.more-label { display: inline-flex; gap: 18px; align-items: center; color: var(--accent); font-size: 13px; }
.more-label .arrow { transition: transform 180ms ease; }
.more-research:hover .more-label .arrow { transform: translate(3px, -3px); }

.interests-section { padding-block: 65px 70px; border-block: 1px solid var(--line); display: grid; grid-template-columns: 1fr 2fr; gap: 45px; }
.interests-heading .eyebrow { margin: 0 0 28px; color: var(--muted); }
.interests-heading h2 { font-size: 32px; color: #d3d8de; }
.interest-display { display: flex; flex-direction: column; justify-content: space-between; }
.interest-phrase { font-size: clamp(30px, 3.6vw, 46px); font-weight: 400; line-height: 1.22; letter-spacing: -.035em; color: var(--accent); margin: -7px 0 25px; min-height: 3.66em; transition: opacity 150ms ease; overflow-wrap: break-word; }
.interest-phrase.is-changing { opacity: 0; }
.interest-controls { display: flex; align-items: center; gap: 8px; }
.interest-count { color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; letter-spacing: .1em; margin-right: auto; }
.interest-controls button { background: transparent; border: 1px solid #46505c; border-radius: 5px; padding: 8px 14px; font-size: 12px; min-width: 70px; min-height: 38px; cursor: pointer; transition: border-color 150ms ease; }
.interest-controls button:hover { border-color: var(--accent); }
.site-footer { min-height: 108px; display: flex; align-items: center; justify-content: space-between; gap: 25px; font-size: 11px; color: var(--muted); }
.site-footer p { margin: 0; }
.site-footer a { display: inline-flex; align-items: center; gap: 10px; }
.site-footer a:hover { color: var(--accent); }
.site-footer .arrow { width: 14px; height: 14px; }

@media (min-width: 1440px) {
  .hero { gap: 105px; }
}
@media (max-width: 1100px) {
  .wrap { width: calc(100% - 72px); }
  .hero { gap: 45px; grid-template-columns: 1.15fr 1fr; }
  .social-strip { align-items: flex-start; flex-direction: column; gap: 10px; }
  .social-links { gap: 28px; }
  .research-grid { gap: 18px; }
  .paper-body { padding: 20px; }
  .paper h3 { font-size: 17px; }
  .paper-figure { height: 200px; padding: 18px 14px; }
}
@media (max-width: 900px) {
  .hero { gap: 36px; padding-block: 58px 65px; }
  h1 { font-size: 50px; }
  .role { font-size: 13px; }
  .role .divider { padding-inline: 3px; }
  .intro { font-size: 14px; }
  .hero-kicker { font-size: 9px; letter-spacing: .12em; }
  .research-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
  .paper--wide { grid-column: span 1; }
  .paper-figure { height: 225px; }
  .more-research { min-height: 340px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 20px; }
  .section-heading > p { max-width: 460px; }
  .interests-section { grid-template-columns: 1fr 1.75fr; gap: 20px; }
}
@media (max-width: 600px) {
  .wrap { width: calc(100% - 40px); }
  .site-header { height: 80px; }
  .site-nav { gap: 22px; font-size: 12px; }
  .site-nav .nav-social { display: none; }
  .hero { grid-template-columns: 1fr; gap: 48px; padding-block: 34px 45px; }
  .portrait { grid-row: 1; width: calc(100% - 10px); }
  .portrait img { aspect-ratio: 1.17; object-position: 50% 29%; }
  .portrait::before { inset: 10px -10px -10px 10px; }
  .hero-kicker { margin-bottom: 20px; }
  h1 { font-size: clamp(43px, 11.9vw, 68px); margin-bottom: 22px; }
  .role { font-size: 14px; max-width: 330px; }
  .intro { font-size: 15px; margin-bottom: 22px; }
  .social-strip { padding-block: 23px; gap: 12px; }
  .social-links { gap: 12px 22px; }
  .social-links a { min-height: 35px; }
  .research-section { padding-block: 55px; }
  .section-heading { margin-bottom: 26px; }
  .section-heading .eyebrow { margin-bottom: 16px; }
  .research-grid { grid-template-columns: 1fr; gap: 22px; }
  .paper-figure { height: 240px; padding: 23px 18px; }
  .paper-body { padding: 23px; }
  .paper h3 { font-size: 19px; }
  .paper-description { font-size: 14px; }
  .paper-meta, .paper-footer { font-size: 11px; }
  .more-research { grid-column: auto; min-height: 350px; padding: 30px; }
  .more-research .eyebrow { margin-bottom: 25px; }
  .interests-section { grid-template-columns: 1fr; gap: 35px; padding-block: 45px; }
  .interests-heading .eyebrow { margin-bottom: 20px; }
  .interests-heading h2 { font-size: 28px; }
  .interest-phrase { font-size: 30px; min-height: 3.66em; }
  .site-footer { align-items: flex-start; padding-block: 28px; min-height: auto; line-height: 1.8; }
  .site-footer p { max-width: 200px; }
}
@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  .paper-link:hover, .research-cta:hover .arrow, .paper-link:hover .paper-footer .arrow, .more-research:hover .more-label .arrow { transform: none; }
}