:root {
  --ink: #13233f;
  --muted: #5d6c82;
  --paper: #f3f7fc;
  --surface: #fbfdff;
  --line: #cbd7e7;
  --spruce: #1755a2;
  --lime: #bfe7ff;
  --coral: #b7c8ff;
  --serif: "Source Serif 4", Georgia, serif;
  --sans: "DM Sans", Arial, sans-serif;
  --mono: "DM Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.5; }
a { color: inherit; text-underline-offset: 0.18em; }
button { font: inherit; }
.shell { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 10; left: 16px; top: -50px; padding: 10px 14px; background: var(--ink); color: white; }
.skip-link:focus { top: 16px; }

.site-header { display: flex; min-height: 92px; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.wordmark { color: var(--spruce); font: 700 1.5rem/1 var(--serif); text-decoration: none; }
.site-header nav { display: flex; gap: 22px; font-size: 0.86rem; font-weight: 600; }
.site-header nav a { text-decoration: none; }
.site-header nav a:hover, .site-header nav a:focus-visible { color: var(--spruce); text-decoration: underline; }

.hero { padding: clamp(64px, 8vw, 108px) 0 66px; }
.eyebrow { margin: 0 0 22px; color: var(--spruce); font: 500 0.7rem/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.eyebrow span { color: var(--coral); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 188px; gap: 48px; align-items: end; }
h1, h2 { margin: 0; letter-spacing: -0.055em; }
h1 { max-width: 760px; font: 600 clamp(3.2rem, 6vw, 5.8rem)/0.96 var(--serif); }
h1 em, h2 em { color: var(--spruce); font-weight: 600; }
.lede { max-width: 620px; margin: 30px 0 0; color: var(--muted); font-size: clamp(1.1rem, 2vw, 1.25rem); line-height: 1.55; }
.hero-rail { display: grid; gap: 18px; align-self: end; }
.portrait { aspect-ratio: 4 / 5; margin: 0; overflow: hidden; background: var(--ink); }
.portrait img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 50% 15%; }
.contact-card { padding: 21px 0 0; border-top: 2px solid var(--ink); }
.contact-label { margin: 0 0 11px; color: var(--muted); font: 500 0.7rem var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.profile-links { display: grid; gap: 7px; }
.profile-links a { width: fit-content; font-size: 0.95rem; font-weight: 600; }
.scroll-cue { display: inline-flex; gap: 20px; margin-top: 54px; color: var(--spruce); font-size: 0.86rem; font-weight: 700; text-decoration: none; }
.scroll-cue span { color: var(--coral); }

.feature-section { padding: 82px 0 88px; background: var(--spruce); color: #f4f8e9; }
.feature-section .eyebrow { color: var(--lime); }
.section-heading { display: grid; grid-template-columns: minmax(190px, 0.35fr) minmax(300px, 1fr) minmax(190px, 0.4fr); gap: 28px; align-items: start; }
.section-heading h2 { font: 600 clamp(2.55rem, 4.8vw, 4.25rem)/0.98 var(--serif); }
.section-heading h2 em { color: var(--lime); }
.section-heading > p:last-child { max-width: 280px; margin: 6px 0 0; color: #cfddd6; font-size: 0.98rem; }
.selected-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; margin-top: 52px; }
.paper-card { display: flex; min-height: 304px; flex-direction: column; justify-content: space-between; padding: 25px; background: var(--surface); color: var(--ink); }
.paper-card:first-child { grid-column: span 7; background: var(--lime); }
.paper-card:nth-child(2) { grid-column: span 5; }
.paper-card:nth-child(3n) { grid-column: span 5; }
.paper-card:nth-child(3n + 1):not(:first-child) { grid-column: span 7; }
.paper-meta { color: var(--muted); font: 500 0.68rem var(--mono); letter-spacing: 0.05em; text-transform: uppercase; }
.paper-card h3 { max-width: 600px; margin: 23px 0 10px; font: 600 clamp(1.7rem, 2.7vw, 2.55rem)/1.03 var(--serif); letter-spacing: -0.04em; }
.paper-summary { max-width: 560px; margin: 0; color: #40536d; font-size: 0.97rem; }
.paper-footer { display: flex; flex-wrap: wrap; gap: 11px 19px; align-items: end; margin-top: 32px; }
.tag { color: var(--spruce); font: 500 0.68rem var(--mono); letter-spacing: 0.04em; text-transform: uppercase; }
.paper-links { display: flex; gap: 14px; margin-left: auto; font-size: 0.82rem; font-weight: 700; }
.paper-links a { text-decoration: none; }
.paper-links a:hover { text-decoration: underline; }
.empty-state { grid-column: 1 / -1; padding: 33px; border: 1px dashed #aabbd1; color: #cfddf0; }


.publications-section { padding: 88px 0; }
.section-heading.compact { grid-template-columns: minmax(190px, 0.35fr) minmax(300px, 1fr) minmax(190px, 0.4fr); }
.publications-section .section-heading h2 { color: var(--ink); }
.publications-section .section-heading > p:last-child { color: var(--muted); }
.publication-controls { display: flex; justify-content: space-between; gap: 22px; margin: 42px 0 18px; }
.filter-list { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-button { padding: 8px 12px; border: 1px solid var(--line); border-radius: 100px; background: transparent; color: var(--muted); cursor: pointer; font-size: 0.78rem; font-weight: 600; }
.filter-button:hover, .filter-button:focus-visible, .filter-button[aria-pressed="true"] { border-color: var(--spruce); background: var(--spruce); color: white; }
.scholar-link { align-self: center; color: var(--spruce); font-size: 0.85rem; font-weight: 700; white-space: nowrap; }
.publication-list { border-top: 1px solid var(--ink); }
.publication-row { display: grid; grid-template-columns: 78px minmax(0, 1fr) 160px auto; gap: 24px; padding: 18px 4px; border-bottom: 1px solid var(--line); }
.publication-year { color: var(--spruce); font: 500 0.75rem var(--mono); }
.publication-title { margin: 0; font: 600 1.06rem/1.25 var(--serif); letter-spacing: -0.02em; }
.publication-authors, .publication-venue { margin: 6px 0 0; color: var(--muted); font-size: 0.83rem; }
.publication-venue { margin: 0; align-self: center; }
.publication-actions { display: flex; align-self: center; gap: 12px; font-size: 0.79rem; font-weight: 700; }
.publication-actions a { color: var(--spruce); }
.publication-disclosure { display: block; margin: 28px auto 0; padding: 10px 17px; border: 1px solid var(--spruce); border-radius: 100px; background: transparent; color: var(--spruce); cursor: pointer; font-size: 0.82rem; font-weight: 700; }
.publication-disclosure:hover, .publication-disclosure:focus-visible { background: var(--spruce); color: white; }

.about-section { padding: 82px 0 88px; background: var(--coral); }
.about-grid { display: grid; grid-template-columns: minmax(190px, 0.35fr) minmax(0, 1fr); gap: 28px; }
.about-grid h2 { max-width: 680px; font: 600 clamp(2.5rem, 4.8vw, 4.25rem)/0.98 var(--serif); }
.about-grid h2 em { color: #293d8d; }
.about-copy { max-width: 600px; margin: 28px 0 22px; font-size: 1.08rem; line-height: 1.55; }
.text-link { color: #1f367e; font-size: 0.89rem; font-weight: 700; }
.site-footer { display: flex; min-height: 76px; align-items: center; justify-content: space-between; color: var(--muted); font-size: 0.8rem; }
.site-footer p { margin: 0; }
.site-footer a { color: var(--spruce); font-weight: 700; }

@media (max-width: 760px) {
  .shell { width: min(100% - 32px, 1160px); }
  .site-header { min-height: 70px; }
  .site-header nav { gap: 13px; font-size: 0.76rem; }
  .hero { padding-top: 76px; }
  .hero-grid, .section-heading, .section-heading.compact, .about-grid { grid-template-columns: 1fr; gap: 18px; }
  .hero-rail { width: min(100%, 260px); max-width: none; }
  .selected-grid { grid-template-columns: 1fr; margin-top: 43px; }
  .paper-card, .paper-card:first-child, .paper-card:nth-child(2), .paper-card:nth-child(3n), .paper-card:nth-child(3n + 1):not(:first-child) { grid-column: 1; min-height: 290px; }
  .publication-controls, .site-footer { align-items: flex-start; flex-direction: column; }
  .publication-controls { margin-top: 39px; }
  .publication-row { grid-template-columns: 48px 1fr; gap: 10px 14px; }
  .publication-venue, .publication-actions { grid-column: 2; }
  .publication-venue { align-self: start; }
  .publication-actions { margin-top: 5px; }
  .about-section { padding: 74px 0; }
}