@import url("https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,400;0,700;1,400;1,700&display=swap");

:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --surface: #ffffff;
  --fg: #111111;
  --muted: #555e64;
  --line: #e2e6e8;
  --link: #1772d0;
  --link-hover: #f09228;
  --accent: #f3f7fb;
  --max: 920px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111513;
    --surface: #171c19;
    --fg: #edf2ef;
    --muted: #aab4ae;
    --line: #303934;
    --link: #73b7f5;
    --link-hover: #f6a84d;
    --accent: #18232d;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.52 "Lato", Verdana, Helvetica, sans-serif;
  text-rendering: optimizeLegibility;
}

main {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: 54px 0 36px;
}

a {
  color: var(--link);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

a:hover,
a:focus-visible {
  color: var(--link-hover);
  text-decoration-thickness: 0.12em;
}

.site-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 38px;
  align-items: center;
  max-width: 760px;
  margin: 0 auto 50px;
  text-align: left;
}

.profile-photo {
  display: block;
  width: 360px;
  height: 360px;
  border: 1px solid var(--line);
  border-radius: 50%;
  object-fit: cover;
}

.eyebrow,
.paper-meta {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 2.35rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.lede {
  max-width: 670px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.55;
}

.identity-links,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 15px;
  margin-top: 18px;
}

.identity-links { justify-content: flex-start; }

.identity-links a,
.button {
  font-weight: 400;
}

.open-source-link,
.contact-link {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.section-heading {
  padding-bottom: 14px;
}

.section-heading h2,
.section-heading p { margin: 0; }

.section-heading h2 {
  font-size: 1.45rem;
  font-weight: 400;
}

.section-heading p {
  color: var(--muted);
  font-size: 0.94rem;
  margin-top: 6px;
}

.papers article {
  display: grid;
  grid-template-columns: 126px minmax(0, 1fr);
  column-gap: 24px;
  padding: 18px 0 20px;
}

.papers article + article { border-top: 1px solid var(--line); }

.papers .paper-meta {
  grid-column: 1;
  grid-row: 1 / span 4;
  padding-top: 2px;
}

.papers h3 {
  grid-column: 2;
  max-width: 720px;
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0;
}

.papers h3 a {
  color: var(--link);
  text-decoration: none;
}

.papers h3 a:hover,
.papers h3 a:focus-visible { color: var(--link-hover); }

.papers article > p:not(.paper-meta) {
  grid-column: 2;
  max-width: 700px;
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.paper-link {
  grid-column: 2;
  display: inline-block;
  width: max-content;
  margin-top: 5px;
  font-size: 0.9rem;
  font-weight: 400;
}

.breadcrumb {
  margin-bottom: 34px;
  font-size: 0.9rem;
}

.paper-header {
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.paper-header h1 {
  max-width: 780px;
  font-size: clamp(2rem, 5vw, 2.7rem);
  font-weight: 400;
  line-height: 1.16;
}

.byline {
  margin: 22px 0 0;
  color: var(--muted);
}

.button {
  display: inline-block;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 0.16em;
}

.button.secondary {
  color: var(--link);
}

.paper-body {
  display: grid;
  grid-template-columns: 126px minmax(0, 1fr);
  gap: 24px;
  padding: 30px 0;
}

.paper-body h2 {
  margin: 3px 0 0;
  font-size: 0.92rem;
}

.abstract {
  margin: 0;
  font-family: "Lato", Verdana, Helvetica, sans-serif;
  font-size: 1rem;
  line-height: 1.62;
}

.citation {
  margin-top: 34px;
  padding: 15px 18px;
  border-left: 2px solid var(--link);
  background: var(--accent);
}

.citation h2 { margin: 0 0 8px; font-size: 0.92rem; }
.citation p { margin: 0; color: var(--muted); }

footer {
  margin-top: 42px;
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 640px) {
  main { padding-top: 38px; }
  .site-header {
    grid-template-columns: 1fr;
    gap: 22px;
    margin-bottom: 38px;
    text-align: center;
  }
  .profile-photo {
    grid-row: 1;
    width: 150px;
    height: 150px;
    margin: 0 auto;
  }
  .lede { margin-right: auto; margin-left: auto; }
  .identity-links { justify-content: center; }
  .section-heading,
  .paper-body { grid-template-columns: 1fr; gap: 10px; }
  .papers article { grid-template-columns: 1fr; }
  .papers .paper-meta,
  .papers h3,
  .papers article > p:not(.paper-meta),
  .paper-link {
    grid-column: 1;
    grid-row: auto;
  }
  .papers .paper-meta { margin-bottom: 6px; }
  .paper-header { padding-bottom: 28px; }
}