:root{
  --bg: #eef1ee;
  --surface: #e4e8e2;
  --surface-2: #dde2da;
  --ink: #181d22;
  --ink-muted: #565f66;
  --ink-faint: #7c848a;
  --accent: #7c2530;
  --accent-2: #5c3d2e;
  --rule: #c9cec4;
  --rule-strong: #aab0a4;
  --focus: #2c5a7c;

  --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-sans: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;

  --maxw: 780px;
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg: #12151a;
    --surface: #181c22;
    --surface-2: #1f242b;
    --ink: #e9e8e2;
    --ink-muted: #a3aab0;
    --ink-faint: #767e85;
    --accent: #d68c92;
    --accent-2: #c99a7c;
    --rule: #2b3038;
    --rule-strong: #3a4149;
    --focus: #7fb3d9;
  }
}
:root[data-theme="dark"]{
  --bg: #12151a;
  --surface: #181c22;
  --surface-2: #1f242b;
  --ink: #e9e8e2;
  --ink-muted: #a3aab0;
  --ink-faint: #767e85;
  --accent: #d68c92;
  --accent-2: #c99a7c;
  --rule: #2b3038;
  --rule-strong: #3a4149;
  --focus: #7fb3d9;
}

*{ box-sizing: border-box; }

body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a{ color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover{ text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible{ outline: 2px solid var(--focus); outline-offset: 3px; }

h1,h2,h3{
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--ink);
  text-wrap: balance;
  margin: 0;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow .num{ color: var(--ink-faint); }

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Nav ---------- */
header.site-nav{
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.nav-row{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-mark{
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.nav-mark:hover{ text-decoration: none; color: var(--accent); }
nav.links{
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}
nav.links a{
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}
nav.links a:hover, nav.links a.active{
  color: var(--ink);
  border-bottom-color: var(--accent);
}
.nav-toggle{
  display: none;
  background: none;
  border: 1px solid var(--rule-strong);
  border-radius: 6px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 6px 10px;
  cursor: pointer;
}

@media (max-width: 640px){
  nav.links{
    display: none;
    flex-direction: column;
    gap: 2px;
    width: 100%;
    padding-top: 10px;
  }
  nav.links.open{ display: flex; }
  .nav-row{ flex-wrap: wrap; }
  .nav-toggle{ display: inline-block; }
  nav.links a{ padding: 8px 0; border-bottom: 1px solid var(--rule); }
}

/* ---------- Home hero ---------- */
.hero{
  padding: 64px 0 48px;
  position: relative;
  overflow: hidden;
}
.hero-line{
  position: absolute;
  right: -8%;
  top: -20%;
  width: 62%;
  height: 140%;
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}
.hero .wrap{ position: relative; z-index: 1; }
.hero-grid{
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 44px;
  align-items: center;
}
.hero-photo{
  width: 196px;
  height: 236px;
  flex: none;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--rule-strong);
  background: var(--surface);
}
.hero-photo img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
@media (max-width: 720px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-photo{
    order: -1;
    width: 148px;
    height: 178px;
    margin-bottom: 6px;
  }
}
.hero .eyebrow{ margin-bottom: 18px; }
.hero h1{
  font-size: clamp(2.1rem, 5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.hero .tagline{
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--ink-muted);
  margin-top: 14px;
  max-width: 34em;
}
.hero .role{
  margin-top: 22px;
  font-size: 0.98rem;
  color: var(--ink-muted);
  max-width: 40em;
}
.hero .role strong{ color: var(--ink); font-weight: 600; }

.hero-links{
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.pill{
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  padding: 7px 14px 7px 12px;
  background: var(--surface);
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.pill:hover{
  border-color: var(--accent);
  color: var(--accent);
  background: var(--surface-2);
}
.pill svg{ width: 13px; height: 13px; flex: none; }
.pill.primary{
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}
.pill.primary:hover{ background: var(--accent-2); border-color: var(--accent-2); color: var(--bg); }

/* ---------- Sub-page header ---------- */
.page-hero{
  padding: 52px 0 8px;
}
.page-hero .eyebrow{ margin-bottom: 16px; }
.page-hero h1{
  font-size: clamp(1.9rem, 4.5vw, 2.5rem);
  line-height: 1.15;
}
.page-hero .lede{ margin-top: 16px; }

/* ---------- Sections ---------- */
section{
  padding: 44px 0 60px;
  border-top: 1px solid var(--rule);
}
main > section:first-of-type{ border-top: none; }

.lede{
  font-size: 1.02rem;
  color: var(--ink-muted);
  max-width: 46em;
  margin-bottom: 6px;
}
.lede + .lede{ margin-top: 10px; }

/* About / bio */
.bio p{ max-width: 60ch; margin: 0 0 16px; color: var(--ink); }
.bio p:last-child{ margin-bottom: 0; }

/* Research */
.book-card{
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 20px 22px;
  margin-top: 28px;
}
.book-card .spine{
  width: 6px;
  align-self: stretch;
  background: var(--accent);
  border-radius: 4px;
}
.book-card h3{
  font-size: 1.08rem;
  font-style: italic;
  font-weight: 600;
}
.book-card .meta{
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-muted);
  margin-top: 8px;
  letter-spacing: 0.01em;
}
.note{
  margin-top: 24px;
  font-size: 0.86rem;
  color: var(--ink-faint);
  font-style: italic;
}
.proj-list{
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin: 26px 0 34px;
}
.proj-list .book-card{ margin-top: 0; }
.proj-num{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  margin-bottom: 7px;
}
.proj-desc{
  margin-top: 14px;
  font-size: 0.93rem;
  line-height: 1.62;
  color: var(--ink);
  max-width: 62ch;
}
.closing{
  margin-top: 4px;
  font-size: 1.01rem;
  color: var(--ink-muted);
  max-width: 58ch;
}

/* Publications */
.pub-group{ margin-bottom: 34px; }
.pub-group:last-child{ margin-bottom: 0; }
.pub-group h2.group-title, .pub-group h3{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 500;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}
.pub{
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
}
.pub-group ol, .pub-group ul{ list-style: none; margin: 0; padding: 0; }
.pub:last-child{ border-bottom: none; }
.pub .yr{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  padding-top: 2px;
}
.pub .title{
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}
.pub .title:hover{ color: var(--accent); }
.pub .venue{
  display: block;
  font-size: 0.86rem;
  color: var(--ink-muted);
  font-style: italic;
  margin-top: 3px;
}
.pub .with{
  display: block;
  font-size: 0.8rem;
  color: var(--ink-faint);
  margin-top: 3px;
}

.fora-list{ margin-top: 6px; }
.fora-list li{ padding: 7px 0; border-bottom: 1px solid var(--rule); font-size: 0.92rem; }
.fora-list li:last-child{ border-bottom: none; }
.fora-list a{ text-decoration: none; font-weight: 500; }
.fora-list a:hover{ text-decoration: underline; }

/* Teaching */
.teach-item{
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}
.teach-item:last-child{ border-bottom: none; }
.teach-item .when{
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-faint);
  padding-top: 2px;
}
.teach-item h4{
  font-family: var(--font-serif);
  font-size: 1.02rem;
  font-weight: 600;
  margin: 0 0 4px;
}
.teach-item p{ margin: 0; font-size: 0.88rem; color: var(--ink-muted); }

@media (max-width: 560px){
  .teach-item, .pub{ grid-template-columns: 1fr; gap: 4px; }
  .teach-item .when, .pub .yr{ padding-top: 0; }
}

/* CV */
.cv-download{
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.cv-cols{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}
@media (max-width: 620px){ .cv-cols{ grid-template-columns: 1fr; gap: 28px; } }
.cv-cols h2.group-title, .cv-cols h3{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 500;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}
.cv-row{ padding: 10px 0; border-bottom: 1px solid var(--rule); }
.cv-row:last-child{ border-bottom: none; }
.cv-row .t1{ font-weight: 600; font-size: 0.92rem; }
.cv-row .t2{ font-size: 0.84rem; color: var(--ink-muted); margin-top: 2px; }
.cv-row .t3{ font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-faint); margin-top: 3px; }

/* Contact */
.contact-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-top: 6px;
}
.contact-block .label{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 8px;
}
.contact-block address, .contact-block p{
  font-style: normal;
  margin: 0;
  font-size: 0.94rem;
  color: var(--ink);
  line-height: 1.55;
}
.contact-block a{ text-decoration: none; }
.contact-block a:hover{ text-decoration: underline; }

.contact-photo{
  margin-top: 46px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--rule);
}
.contact-photo img{
  width: 100%;
  height: auto;
  max-height: 440px;
  object-fit: cover;
  display: block;
}

footer{
  border-top: 1px solid var(--rule);
  padding: 26px 0 40px;
}
footer .wrap{
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
footer p{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
}