:root {
  --paper: #f7f2ef;
  --paper-deep: #eee3df;
  --ink: #3b151b;
  --ink-soft: #654f52;
  --accent: #e31837;
  --accent-light: #f0a0ad;
  --line: rgba(129, 0, 1, .17);
  --white: #fffafa;
  --shell: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.shell {
  width: min(calc(100% - 64px), var(--shell));
  margin-inline: auto;
}

.site-header {
  width: min(calc(100% - 64px), var(--shell));
  min-height: 82px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.08rem;
  font-weight: 700;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  display: grid;
  place-items: center;
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: .7rem;
  letter-spacing: .08em;
}

nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0;
  padding: 0;
  list-style: none;
}

nav a {
  position: relative;
  padding: 8px 0;
  color: var(--ink-soft);
  font-size: .9rem;
}

nav a:not(.nav-cv)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .25s ease;
}

nav a:hover::after,
nav a.active::after { transform: scaleX(1); transform-origin: left; }

.nav-cv {
  padding: 9px 15px;
  border: 1px solid var(--ink);
  color: var(--ink);
}

.nav-cv:hover { background: var(--ink); color: var(--paper); }

.hero {
  min-height: 610px;
  padding: 64px 0 82px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 390px);
  gap: clamp(55px, 8vw, 105px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--accent);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.hero h1,
.page-hero h1 {
  max-width: 760px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.15rem, 5.4vw, 4.75rem);
  line-height: .98;
  letter-spacing: -.045em;
  font-weight: 500;
}

h1 em,
.page-hero h1 em {
  color: var(--accent);
  font-weight: 400;
}

.hero h1.welcome-title {
  max-width: none;
  font-size: clamp(2.25rem, 3.4vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.hero-lede {
  max-width: 640px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.15rem, 1.8vw, 1.38rem);
  line-height: 1.55;
}

.university-link {
  color: #17658a;
  border-bottom: 1px solid currentColor;
}

.university-link:hover { color: #0c4969; }

.hero-actions { display: flex; gap: 13px; margin-top: 36px; }

.button {
  min-height: 49px;
  padding: 12px 21px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  border: 1px solid var(--ink);
  font-size: .9rem;
  font-weight: 600;
  transition: transform .2s ease, background .2s ease;
}

.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--ink); color: var(--white); }
.button-primary:hover { background: var(--accent); border-color: var(--accent); }
.button-secondary:hover { background: var(--white); }

.portrait-wrap { position: relative; padding: 14px 14px 0 0; }

.portrait-accent {
  position: absolute;
  top: 0;
  right: 0;
  width: 72%;
  height: 72%;
  background: var(--accent-light);
  border-radius: 0 52px 0 0;
}

.portrait {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 42%;
  filter: saturate(.88) contrast(1.02);
}

.portrait-links {
  position: relative;
  z-index: 2;
  padding: 17px 4px 0;
  display: flex;
  justify-content: center;
  gap: 24px;
  font-size: .78rem;
}

.portrait-links a {
  color: var(--ink-soft);
  border-bottom: 1px solid transparent;
}

.portrait-links a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.research-strip { padding: 88px 0 100px; background: var(--ink); color: var(--white); }

.section-heading {
  margin-bottom: 45px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
}

.section-heading h2,
.about h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.2rem, 4vw, 3.45rem);
  line-height: 1.08;
  letter-spacing: -.025em;
  font-weight: 500;
}

.text-link { padding-bottom: 4px; border-bottom: 1px solid var(--line); font-size: .85rem; }
.text-link:hover { border-color: var(--accent); color: var(--accent); }

.selected-research {
  padding: 82px 0 105px;
  border-top: 1px solid var(--line);
}

.project-list { border-top: 1px solid var(--line); }

.project-row {
  min-height: 145px;
  padding: 28px 4px;
  display: grid;
  grid-template-columns: 210px 1fr 35px;
  gap: 32px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.project-field {
  color: var(--accent);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.project-row h3 {
  margin: 0 0 5px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  line-height: 1.2;
  font-weight: 500;
}

.project-row h3 a:hover { color: var(--accent); }

.project-row div p,
.project-row > span {
  margin: 0;
  color: var(--ink-soft);
  font-size: .76rem;
}

.project-row div p strong { color: var(--ink); font-weight: 700; }

.research-grid { display: grid; grid-template-columns: 1.2fr .8fr; border-top: 1px solid rgba(255,255,255,.18); }

.research-card {
  min-height: 380px;
  padding: 38px 0 10px 42px;
  display: grid;
  grid-template-columns: 45px 1fr;
  gap: 20px;
}

.research-card + .research-card { border-left: 1px solid rgba(255,255,255,.18); }
.research-card.featured-card { padding-left: 0; padding-right: 45px; }
.card-number { margin: 2px 0 0; color: var(--accent-light); font-size: .72rem; }
.card-label { margin: 0 0 20px; color: var(--accent-light); font-size: .7rem; letter-spacing: .09em; text-transform: uppercase; }

.research-card h3 {
  max-width: 550px;
  margin: 0 0 20px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  line-height: 1.16;
  font-weight: 500;
}

.research-card p:not(.card-number):not(.card-label) { max-width: 570px; color: rgba(255,255,255,.7); font-size: .92rem; }
.research-card .coauthor, .coauthor {
  margin: 8px 0 14px;
  color: var(--accent);
  font-size: .9rem;
}

.coauthor strong { color: var(--ink); font-weight: 700; }
.coauthor a { border-bottom: 1px solid rgba(129, 0, 1, .35); }
.coauthor a:hover { color: var(--accent); border-color: var(--accent); }

.about {
  padding: 110px 0 120px;
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: clamp(70px, 12vw, 155px);
}

.about h2 { max-width: 430px; }
.about-copy { padding-top: 30px; border-top: 1px solid var(--line); }
.about-copy p { margin: 0 0 24px; color: var(--ink-soft); font-family: Georgia, "Times New Roman", serif; font-size: 1.14rem; }
.about-copy a { color: var(--accent); border-bottom: 1px solid currentColor; }

.site-footer { padding: 34px 0; background: #fff; color: var(--ink); border-top: 3px solid var(--accent); }
.footer-inner { display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.footer-note { margin: 0; color: var(--ink-soft); font-size: .76rem; letter-spacing: .04em; }
.footer-yorku { display: inline-block; }
.footer-yorku img { display: block; width: 108px; height: auto; }
.footer-prompt { margin: 0 0 8px; font-size: .75rem; letter-spacing: .09em; text-transform: uppercase; }
.footer-email { font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.45rem, 3vw, 2.25rem); border-bottom: 1px solid rgba(255,255,255,.45); }
.footer-links { display: flex; gap: 26px; font-size: .85rem; }
.footer-links a:hover { text-decoration: underline; }

/* Interior pages */
.page-main { padding: 92px 0 120px; }
.page-hero { max-width: 950px; margin-bottom: 110px; }
.page-hero h1 { font-size: clamp(2.25rem, 4vw, 3.5rem); }
.page-hero > p:last-child { max-width: 690px; margin: 30px 0 0; color: var(--ink-soft); font-family: Georgia, "Times New Roman", serif; font-size: 1.2rem; }

.paper-list { margin-top: 80px; display: grid; grid-template-columns: 230px 1fr; border-top: 1px solid var(--line); }
.paper-stack { grid-column: 2; min-width: 0; }
.list-heading { padding-top: 25px; }
.list-heading > p { margin: 0 0 45px; color: var(--accent); font-size: .72rem; }
.list-heading h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 1.55rem; font-weight: 500; }
.paper { padding: 34px 0 38px; border-bottom: 1px solid var(--line); }
.paper-meta { display: flex; gap: 8px; margin-bottom: 18px; }
.paper-meta span { padding: 4px 9px; border-radius: 100px; background: var(--paper-deep); color: var(--ink-soft); font-size: .68rem; }
.paper h3 { margin: 0 0 12px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.5rem, 2.5vw, 2.05rem); line-height: 1.23; font-weight: 500; }
.paper > p:last-child, .compact-paper p { color: var(--ink-soft); }
.jmp-section { margin-top: 0; }
.jmp-paper { padding-top: 28px; }
.jmp-paper > p { max-width: 790px; color: var(--ink-soft); }
.jmp-paper .jmp-question {
  max-width: 700px;
  margin: 20px 0 25px;
  color: var(--accent);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.16rem;
  line-height: 1.5;
}
.paper-actions { margin-top: 28px; }
.compact-paper { display: grid; grid-template-columns: 70px 1fr; gap: 15px; }
.compact-paper h3 { font-size: 1.35rem; }
.compact-paper p { margin: 5px 0 0; }
.publication-details strong { color: var(--ink); font-weight: 700; }
.paper-year { color: var(--accent) !important; font-size: .76rem; }

.references-section {
  margin-top: 88px;
  padding-top: 28px;
  border-top: 1px solid var(--ink);
}
.references-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 30px; }
.references-heading .eyebrow { margin-bottom: 9px; }
.references-heading h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.8rem, 3vw, 2.45rem);
  line-height: 1.2;
  font-weight: 500;
}
.references-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.reference-card { min-height: 175px; padding: 25px 28px 28px 0; border-bottom: 1px solid var(--line); }
.reference-card + .reference-card { padding-left: 28px; border-left: 1px solid var(--line); }
.reference-card h3 { margin: 0 0 8px; font-family: Georgia, "Times New Roman", serif; font-size: 1.25rem; font-weight: 500; }
.reference-card p { margin: 0 0 17px; color: var(--ink-soft); font-size: .8rem; }
.reference-card a { color: var(--accent); font-size: .82rem; border-bottom: 1px solid currentColor; }

.teaching-hero { margin-bottom: 55px; }
.teaching-experience { border-top: 1px solid var(--line); }
.teaching-heading {
  padding: 28px 0 38px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
}
.teaching-heading .eyebrow { margin-bottom: 9px; }
.teaching-heading h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.8rem, 3vw, 2.45rem);
  line-height: 1.2;
  font-weight: 500;
}
.teaching-groups { border-top: 1px solid var(--ink); }
.teaching-group {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 35px;
  padding: 34px 0 42px;
  border-bottom: 1px solid var(--line);
}
.teaching-group-label {
  grid-column: 1;
  margin: 4px 0 0;
  color: var(--accent);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.teaching-group h3 {
  grid-column: 2;
  margin: 0 0 20px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.55rem;
  font-weight: 500;
}
.course-list { grid-column: 2; margin: 0; padding: 0; list-style: none; }
.course-list li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}
.course-list span { color: var(--accent); font-size: .77rem; font-weight: 700; }
.course-list strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.06rem;
  line-height: 1.35;
  font-weight: 500;
}
.course-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.course-card { min-height: 280px; padding: 28px 30px 30px; border-bottom: 1px solid var(--line); }
.course-card + .course-card { border-left: 1px solid var(--line); }
.course-card span { color: var(--accent); font-size: .7rem; }
.course-card h2 { margin: 80px 0 10px; font-family: Georgia, "Times New Roman", serif; font-size: 1.55rem; font-weight: 500; }
.course-card p { margin: 0; color: var(--ink-soft); font-size: .82rem; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr .72fr; gap: 45px; }
  .hero h1 { font-size: clamp(3rem, 7vw, 4.2rem); }
  .portrait-note { display: block; }
  .portrait-note span, .portrait-note a { display: block; }
  .research-grid { grid-template-columns: 1fr; }
  .research-card, .research-card.featured-card { min-height: 0; padding: 38px 0 45px; }
  .research-card + .research-card { border-top: 1px solid rgba(255,255,255,.18); border-left: 0; }
  .paper-list { grid-template-columns: 180px 1fr; }
}

@media (max-width: 700px) {
  .shell, .site-header { width: min(calc(100% - 36px), var(--shell)); }
  .site-header { padding: 15px 0; align-items: flex-start; }
  .brand > span:last-child { display: none; }
  nav ul { gap: 15px; flex-wrap: wrap; justify-content: flex-end; }
  nav a { font-size: .8rem; }
  .hero { padding: 48px 0 64px; grid-template-columns: 1fr; gap: 40px; }
  .hero-copy { display: contents; }
  .hero-copy .eyebrow, .hero-copy h1, .hero-lede, .hero-actions, .field-list { grid-column: 1; }
  .portrait-wrap { grid-row: 5; width: min(100%, 430px); }
  .hero h1 { font-size: clamp(2.9rem, 14vw, 4.3rem); }
  .hero-actions { flex-wrap: wrap; }
  .research-strip { padding: 68px 0 75px; }
  .section-heading { align-items: start; }
  .research-card, .research-card.featured-card { grid-template-columns: 32px 1fr; padding-right: 0; }
  .about { padding: 78px 0 85px; grid-template-columns: 1fr; gap: 45px; }
  .selected-research { padding: 65px 0 78px; }
  .project-row { grid-template-columns: 1fr 30px; gap: 10px; }
  .project-field { grid-column: 1 / -1; margin: 0; }
  .footer-inner { align-items: start; flex-direction: column; }
  .footer-email { font-size: 1.55rem; }
  .page-main { padding: 65px 0 85px; }
  .page-hero { margin-bottom: 70px; }
  .paper-list { grid-template-columns: 1fr; margin-top: 60px; }
  .paper-stack { grid-column: 1; }
  .list-heading { padding-bottom: 25px; }
  .list-heading > p { margin-bottom: 15px; }
  .course-grid { grid-template-columns: 1fr; }
  .references-grid { grid-template-columns: 1fr; }
  .reference-card { min-height: 0; padding: 23px 0; }
  .reference-card + .reference-card { padding-left: 0; border-left: 0; }
  .teaching-group { grid-template-columns: 1fr; gap: 12px; padding: 30px 0 36px; }
  .teaching-group-label, .teaching-group h3, .course-list { grid-column: 1; }
  .teaching-group h3 { margin-bottom: 10px; }
  .course-list li { grid-template-columns: 82px 1fr; gap: 14px; }
  .course-card + .course-card { border-left: 0; }
  .course-card { min-height: 220px; }
  .course-card h2 { margin-top: 55px; }
}

@media (max-width: 430px) {
  .nav-cv { padding: 7px 10px; }
  .hero h1 { font-size: 2.75rem; }
  .button { width: 100%; }
  .section-heading { display: block; }
  .section-heading .text-link { display: inline-block; margin-top: 24px; }
  .compact-paper { grid-template-columns: 1fr; gap: 0; }
}