@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('fonts/BarlowCondensed-Light.ttf') format('truetype');
}
@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/BarlowCondensed-Regular.ttf') format('truetype');
}

:root {
  --blue: #0b0bff;
  --paper: #f2f2f0;
  --ink: #0b0bff;
  --white: #ffffff;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --display: 'Barlow Condensed', sans-serif;
  --body: 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--body);
  color: var(--blue);
  background: var(--paper);
  overflow-wrap: anywhere;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--white);
  color: var(--blue);
  padding: 8px 16px;
  z-index: 100;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}
.hero :focus-visible { outline-color: var(--white); }
section[id] { scroll-margin-top: 140px; }

.nav {
  border-bottom: 1px solid rgba(11,11,255,0.2);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.wordmark {
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: 0.08em;
}
.nav-links {
  display: flex;
  gap: 16px;
  margin-right: auto;
  font-family: var(--mono);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}
.nav-links a {
  text-decoration: none;
}
.nav-links a:hover {
  text-decoration: underline;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  padding: 8px 16px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid currentColor;
}
.pill-solid {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.pill-solid:hover {
  opacity: 0.85;
}
.pill-outline {
  background: transparent;
  color: var(--blue);
}
.hero .pill-outline {
  color: var(--white);
  border-color: var(--white);
}
.pill-outline:hover {
  background: rgba(11,11,255,0.08);
}
.hero .pill-outline:hover {
  background: rgba(255,255,255,0.12);
}

.hero {
  background-color: var(--blue);
  color: var(--white);
  background-image: radial-gradient(rgba(255,255,255,0.12) 1px, transparent 1px);
  background-size: 14px 14px;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-headline {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(3.5rem, 9vw, 7rem);
  line-height: 0.95;
  margin: 0 0 16px;
}
.hero-subline {
  font-size: 1.1rem;
  margin: 0 0 32px;
  opacity: 0.9;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.stats-panel {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  padding: 24px;
}
.stat-row {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(0, 1fr));
  gap: 8px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.2);
}
.stat-row:last-child { border-bottom: none; }
.stat-head {
  font-family: var(--mono);
  text-transform: uppercase;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  opacity: 0.8;
}
.stat-label {
  font-family: var(--mono);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}
.stat-all {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 400;
  justify-self: end;
}
.featured-year {
  white-space: nowrap;
  flex-shrink: 0;
}

.stats-source {
  margin: 16px 0 0;
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  opacity: .8;
  text-align: right;
}

.stat-recent {
  font-family: var(--mono);
  font-size: 0.85rem;
  justify-self: end;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  opacity: 0.85;
}
.stat-head .stat-all, .stat-head .stat-recent {
  font: inherit;
  opacity: 1;
}

.section-label {
  font-family: var(--mono);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  border-bottom: 1px solid rgba(11,11,255,0.2);
  padding-bottom: 16px;
  margin: 0 0 16px;
}
.section-heading {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(3rem, 6vw, 5.5rem);
  line-height: 1;
  margin: 0 0 40px;
}

.research, .selected, .all-publications, .profile {
  padding: 64px 0;
}
.research { border-top: 1px solid rgba(11,11,255,0.2); }
.selected { border-top: 1px solid rgba(11,11,255,0.2); }
.all-publications { border-top: 1px solid rgba(11,11,255,0.2); }
.profile { border-top: 1px solid rgba(11,11,255,0.2); }

.theme-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.theme-card {
  border: 1px solid rgba(11,11,255,0.2);
  padding: 24px;
  border-radius: 4px;
}
.theme-number {
  font-family: var(--mono);
  font-size: 0.75rem;
  opacity: 0.8;
}
.theme-label {
  font-family: var(--display);
  font-weight: 300;
  font-size: 2rem;
  line-height: 1.1;
  margin: 8px 0 12px;
}
.theme-description {
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0 0 16px;
}
.theme-papers {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.85rem;
}
.theme-papers a {
  text-decoration: none;
}
.theme-papers a:hover {
  text-decoration: underline;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.featured-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 32px;
  border: 1px solid rgba(11,11,255,0.2);
  border-radius: 4px;
}
.featured-title {
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 400;
  text-decoration: none;
  line-height: 1.2;
}
.featured-title:hover { text-decoration: underline; }
.featured-meta {
  display: flex;
  gap: 12px;
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  opacity: 0.8;
}
.featured-badge {
  align-self: flex-start;
  font-family: var(--mono);
  font-size: 0.75rem;
  background: var(--blue);
  color: var(--white);
  padding: 4px 10px;
  border-radius: 999px;
}

.pub-controls {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
#pub-search {
  flex: 1;
  min-width: 200px;
  padding: 10px 14px;
  font-family: var(--body);
  border: 1px solid rgba(11,11,255,0.3);
  border-radius: 4px;
  background: var(--white);
  color: var(--blue);
}
.sort-toggle {
  display: flex;
  border: 1px solid rgba(11,11,255,0.3);
  border-radius: 4px;
  overflow: hidden;
}
.sort-btn {
  font-family: var(--mono);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  padding: 8px 16px;
  border: none;
  background: var(--white);
  color: var(--blue);
  cursor: pointer;
}
.sort-btn.active {
  background: var(--blue);
  color: var(--white);
}
.sort-btn:focus-visible { outline-offset: -3px; }
.sort-btn.active:focus-visible { outline-color: var(--white); }

.year-group { margin-bottom: 32px; }
.year-label {
  font-family: var(--mono);
  font-size: 1rem;
  border-bottom: 1px solid rgba(11,11,255,0.2);
  padding-bottom: 8px;
  margin: 0 0 12px;
}
.pub-list, .pub-flat {
  list-style: none;
  margin: 0;
  padding: 0;
}
.pub-row {
  display: grid;
  grid-template-columns: 2fr 1.4fr 1.4fr auto;
  gap: 16px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid rgba(11,11,255,0.1);
}
.pub-title {
  text-decoration: none;
  font-weight: 500;
}
.featured-card:hover, .featured-card:focus-within,
.pub-row:hover, .pub-row:focus-within {
  background: rgba(11,11,255,0.04);
}
.pub-title:hover { text-decoration: underline; }
.pub-authors {
  opacity: 0.8;
  font-size: 0.85rem;
}
.pub-venue {
  font-size: 0.85rem;
  opacity: 0.8;
}
.pub-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.pub-year { font-family: var(--mono); font-size: 0.75rem; }
.pub-citations {
  font-family: var(--mono);
  text-align: right;
}

.no-results {
  font-family: var(--mono);
  text-transform: uppercase;
  font-size: 0.85rem;
  opacity: 0.8;
}

.site-footer {
  border-top: 1px solid rgba(11,11,255,0.2);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .theme-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .theme-grid { grid-template-columns: 1fr; }
  .pub-row { grid-template-columns: 1fr; }
  .pub-citations { text-align: left; }
  .nav-inner { flex-wrap: wrap; }
}

@media (max-width: 360px) {
  .hero-inner { padding: 48px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}