:root {
  --bg: #f7f6f2;
  --paper: #ffffff;
  --ink: #202124;
  --muted: #626569;
  --line: #ddd8ce;
  --accent: #1b5d57;
  --accent-soft: #e3efec;
  --link: #0b5cad;
  --shadow: 0 18px 45px rgba(32, 33, 36, 0.08);
}

[data-theme="dark"] {
  --bg: #151716;
  --paper: #202422;
  --ink: #f1eee7;
  --muted: #b9b4aa;
  --line: #3a403d;
  --accent: #75c7b8;
  --accent-soft: #263a36;
  --link: #8dbff2;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  transition: background 160ms ease, color 160ms ease;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  max-width: 1060px;
  margin: 0 auto;
  padding: 28px 24px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink);
  padding: 0;
  font: inherit;
  font-size: 18px;
  line-height: 1.2;
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.brand {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 15px;
}

.nav a {
  color: var(--muted);
  border-bottom: 2px solid transparent;
  padding-bottom: 3px;
}

.nav a.active,
.nav a:hover {
  color: var(--ink);
  border-color: var(--accent);
  text-decoration: none;
}

.page {
  max-width: 1060px;
  margin: 0 auto 64px;
  padding: 24px;
}

.narrow {
  max-width: 920px;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 286px;
  gap: 52px;
  align-items: start;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 48px;
}

.intro-copy h1,
.page-title h1 {
  margin: 0 0 18px;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 44px;
  line-height: 1.08;
  font-weight: 650;
}

.intro-copy p {
  max-width: 720px;
  margin: 0 0 18px;
}

.profile {
  align-self: stretch;
  display: flex;
  align-items: center;
}

.profile img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1966 / 3451;
  object-fit: contain;
  border-radius: 4px;
  border: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.interest {
  font-weight: 600;
}

.contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.contact-row a,
.pub-actions a,
.pub-actions button {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink);
  padding: 6px 12px;
  font: inherit;
  font-size: 14px;
  line-height: 1.2;
  cursor: pointer;
}

.contact-row a:hover,
.pub-actions a:hover,
.pub-actions button:hover,
.pub-actions button[aria-expanded="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
  text-decoration: none;
}

.section {
  margin-top: 42px;
}

.section-heading h2,
.pub-year h2 {
  margin: 0 0 18px;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 28px;
  line-height: 1.2;
  font-weight: 650;
}

.featured-list {
  display: grid;
  gap: 16px;
}

.featured-list article,
.publication {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 22px;
}

.featured-list h3,
.publication h3 {
  margin: 0 0 7px;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 21px;
  line-height: 1.25;
  font-weight: 650;
}

.featured-list p,
.publication p {
  margin: 0 0 10px;
  color: var(--muted);
}

.section-link {
  margin-top: 16px;
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
}

.plain-list,
.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.plain-list li,
.timeline li {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.timeline span {
  display: inline-block;
  min-width: 110px;
  color: var(--accent);
  font-weight: 700;
}

.page-title {
  padding: 24px 0 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
}

.pub-year {
  margin: 34px 0 46px;
}

.publications {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pub;
}

.publication {
  position: relative;
  counter-increment: pub;
  padding-left: 64px;
  margin-bottom: 18px;
}

.publication::before {
  content: counter(pub) ".";
  position: absolute;
  top: 22px;
  left: 22px;
  color: var(--accent);
  font-weight: 700;
}

.authors {
  color: var(--ink);
}

.venue {
  font-size: 15px;
}

.pub-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.pub-detail {
  display: none;
  margin: 16px 0 0;
  padding: 16px;
  border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--paper) 78%, var(--bg));
  color: var(--ink);
  font-size: 15px;
}

.pub-detail.open {
  display: block;
}

pre.pub-detail {
  overflow-x: auto;
  line-height: 1.45;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 14px;
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding-top: 22px;
  }

  .page {
    padding: 18px;
  }

  .intro {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 28px;
  }

  .profile {
    max-width: 270px;
  }

  .intro-copy h1,
  .page-title h1 {
    font-size: 36px;
  }

  .grid-two {
    grid-template-columns: 1fr;
  }

  .publication {
    padding-left: 22px;
  }

  .publication::before {
    position: static;
    display: block;
    margin-bottom: 8px;
  }
}