:root {
  --maroon: #500000;
  --maroon-dark: #320000;
  --maroon-light: #6f1d1b;
  --gold: #d6a84a;
  --ink: #25313b;
  --muted: #5e6872;
  --paper: #f7f8fa;
  --surface: rgba(255, 255, 255, .94);
  --border: #dce1e6;
  --shadow: 0 16px 45px rgba(37, 49, 59, .10);
  --shadow-small: 0 2px 8px rgba(37, 49, 59, .06);
}

html { scroll-padding-top: 5rem; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(80, 0, 0, .08), transparent 26rem),
    radial-gradient(circle at 88% 24%, rgba(214, 168, 74, .11), transparent 24rem),
    var(--paper);
  font: 1.0625rem/1.65 "Source Sans 3", "Segoe UI", system-ui, sans-serif;
}

body > main { min-height: calc(100vh - 12rem); }

h1, h2, h3, h4, h5, h6, .site-brand {
  color: var(--ink);
  font-family: Merriweather, Georgia, serif;
  font-weight: 700;
  letter-spacing: -.015em;
}

h2, h3, h4 { margin-top: 1.5em; }

a { color: var(--maroon); text-underline-offset: .16em; }
a:hover { color: var(--maroon-light); }

.wrapper {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.container { max-width: 1120px; }

.skip-link {
  position: fixed;
  top: .75rem;
  left: .75rem;
  z-index: 1000;
  padding: .65rem 1rem;
  color: #fff;
  background: var(--maroon-dark);
  border-radius: .35rem;
  transform: translateY(-180%);
  transition: transform .15s ease;
}

.skip-link:focus { color: #fff; transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: 4rem;
  background: rgba(247, 248, 250, .88);
  border-bottom: 1px solid rgba(80, 0, 0, .12);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4rem;
  gap: 1.25rem;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: .65rem;
  color: var(--maroon-dark);
  font-size: 1.08rem;
  text-decoration: none;
}

.site-brand:hover { color: var(--maroon); }
.site-brand img { width: 30px; height: 24px; object-fit: contain; }

.site-nav { display: flex; align-items: stretch; gap: clamp(.35rem, 1vw, 1rem); }

.site-nav a {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 4rem;
  padding: .15rem .28rem;
  color: var(--ink);
  font-size: .94rem;
  font-weight: 650;
  text-decoration: none;
}

.site-nav a::after {
  position: absolute;
  right: .2rem;
  bottom: 0;
  left: .2rem;
  height: 3px;
  background: var(--maroon);
  content: "";
  opacity: 0;
  transform: scaleX(.35);
  transition: opacity .18s ease, transform .18s ease;
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after { opacity: 1; transform: scaleX(1); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: .45rem;
  padding: .45rem .7rem;
  color: var(--maroon-dark);
  background: var(--surface);
  border: 1px solid rgba(80, 0, 0, .28);
  border-radius: .4rem;
  font: inherit;
  font-size: .9rem;
  font-weight: 700;
}

.nav-toggle__icon,
.nav-toggle__icon::before,
.nav-toggle__icon::after {
  display: block;
  width: 1rem;
  height: 2px;
  background: currentColor;
  content: "";
}

.nav-toggle__icon { position: relative; }
.nav-toggle__icon::before { position: absolute; top: -.32rem; }
.nav-toggle__icon::after { position: absolute; top: .32rem; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(230px, .65fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  padding-block: clamp(4rem, 10vw, 8rem);
}

.eyebrow {
  margin-bottom: .8rem;
  color: var(--maroon);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.hero h1 {
  margin-bottom: 1rem;
  color: var(--maroon-dark);
  font: 700 clamp(2.7rem, 7vw, 5.4rem)/1.02 Merriweather, Georgia, serif;
}

.lede {
  max-width: 43rem;
  margin-bottom: 1.6rem;
  color: var(--ink);
  font-size: clamp(1.18rem, 2vw, 1.45rem);
  line-height: 1.55;
}

.hero__meta { max-width: 44rem; color: var(--muted); }
.hero__picture { display: block; }

.hero__portrait {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid rgba(80, 0, 0, .12);
  border-radius: 50%;
  outline: .45rem solid rgba(214, 168, 74, .35);
  box-shadow: var(--shadow);
}

.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-block: 1.6rem; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: .65rem 1rem;
  color: var(--maroon-dark);
  background: var(--surface);
  border: 1px solid rgba(80, 0, 0, .35);
  border-radius: .45rem;
  font-weight: 750;
  text-decoration: none;
  box-shadow: var(--shadow-small);
}

.button:hover { color: var(--maroon-dark); background: #fff; border-color: var(--maroon); }
.button--primary { color: #fff; background: var(--maroon); border-color: var(--maroon); }
.button--primary:hover { color: #fff; background: var(--maroon-light); }

.home-section { padding-block: 1rem 5rem; }
.home-section__heading { max-width: 44rem; margin-bottom: 1.5rem; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card,
.project-card,
.blog-post,
.blog-sidebar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: .25rem solid var(--maroon);
  border-radius: .65rem;
  box-shadow: var(--shadow-small);
}

.card { padding: 1.4rem; transition: transform .18s ease, box-shadow .18s ease; }
.card h2 { margin-top: 0; color: var(--maroon-dark); font-size: 1.25rem; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

main > .container { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
main h1:first-of-type { margin-bottom: 1.25rem; color: var(--maroon-dark); font-size: clamp(2.35rem, 6vw, 4.1rem); }
main h2 { color: var(--maroon-dark); }
main p, main li { overflow-wrap: anywhere; }

.project-card { padding: clamp(1.2rem, 3vw, 1.7rem); margin-bottom: 1.5rem; }
.project-card h3 { margin-top: 0; color: var(--maroon); font-size: 1.35rem; }
.project-card svg { width: 100%; max-width: 100%; height: auto; }

.key-papers,
.text-muted,
.blog-date,
.research-tie,
.sidebar-date { color: var(--muted) !important; }

.key-papers, .research-tie { font-size: .92rem; }

.blog-post { padding: clamp(1.2rem, 3vw, 1.7rem); margin-bottom: 1.75rem; }
.blog-post h2 { margin-top: 0; color: var(--maroon); font-size: 1.45rem; }
.blog-post h3 { color: var(--maroon-dark); font-size: 1.08rem; }
.blog-sidebar { top: 5.25rem; padding: 1.1rem; }
.blog-sidebar h3 { margin-top: 0; color: var(--maroon-dark); font-size: 1rem; }
.blog-sidebar a { color: var(--ink); }

.publication-list { max-width: 76ch; margin: 0; padding: 0; list-style: none; }

.pub-entry {
  display: grid;
  grid-template-columns: minmax(3.25rem, auto) minmax(0, 1fr);
  gap: .35rem 1rem;
  margin: 0;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.pub-entry:first-child { border-top: 1px solid var(--border); }

.pub-entry__year {
  padding-top: .1rem;
  color: var(--maroon);
  font-size: .9rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: .03em;
}

.pub-entry__content { min-width: 0; }

.pub-label {
  display: inline-block;
  margin: 0 .32rem .16rem 0;
  padding: .12rem .42rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: .71rem;
  font-weight: 800;
  letter-spacing: .045em;
  line-height: 1.2;
  text-transform: uppercase;
  vertical-align: .08em;
  white-space: nowrap;
}

.pub-label--journal,
.pub-label--conference { color: #fff; background: var(--maroon); }
.pub-label--conference { background: var(--maroon-dark); }
.pub-label--preprint { color: var(--maroon-dark); background: rgba(214, 168, 74, .42); border-color: rgba(138, 98, 0, .35); }
.pub-label--under-review { color: var(--maroon); background: #fff; border-color: rgba(80, 0, 0, .45); }
.pub-label--book { color: #fff; background: var(--maroon-light); }

.badge-danger { color: #fff; background: var(--maroon); }
.badge-warning { color: #fff; background: #8a6200; }
.badge-info { color: #fff; background: #35577d; }

.section-heading {
  margin-top: 1.6rem;
  padding-bottom: .35rem;
  color: var(--maroon-dark);
  border-bottom: 1px solid var(--border);
  font-size: 1.45rem;
}

@media (max-width: 36rem) {
  .pub-entry { grid-template-columns: 1fr; gap: .2rem; padding-block: .9rem; }
  .pub-entry__year { padding-top: 0; font-size: .82rem; }
}

.profile-photo {
  display: block;
  width: min(100%, 11rem);
  height: auto;
  aspect-ratio: 1;
  margin-inline: auto;
  object-fit: cover;
  border: 1px solid rgba(80, 0, 0, .16);
  border-radius: 50%;
  outline: .28rem solid rgba(214, 168, 74, .28);
  box-shadow: var(--shadow-small);
}

.profile-name { margin-top: 1rem; color: var(--maroon-dark); font-size: 1.12rem; }

.site-footer {
  padding-block: 2rem;
  color: var(--muted);
  background: rgba(255, 255, 255, .62);
  border-top: 1px solid var(--border);
}

.site-footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .65rem 1.5rem; }
.site-footer p { margin: 0; }

:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

@media (max-width: 56rem) {
  .site-header__inner { flex-wrap: wrap; padding-block: .55rem; }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    flex: 0 0 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-bottom: .5rem;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { min-height: 2.6rem; padding-inline: .25rem; }
  .site-nav a::after { right: auto; width: 2.5rem; }
}

@media (max-width: 48rem) {
  .hero { grid-template-columns: 1fr; padding-block: 3rem; }
  .hero__picture { order: -1; justify-self: center; width: min(70vw, 18rem); }
  .card-grid { grid-template-columns: 1fr; }
  main > .container { padding-block: 2.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}