:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --bg-soft: #eef1f4;
  --surface: #ffffff;
  --surface-solid: #ffffff;
  --surface-strong: #ffffff;
  --ink: #172033;
  --ink-soft: #344054;
  --muted: #667085;
  --line: #dfe3e8;
  --line-strong: #c8ced6;
  --accent: #c41230;
  --accent-strong: #920d24;
  --accent-soft: #fcecef;
  --link: #285f8f;
  --link-hover: #c41230;
  --chip: #f1f3f5;
  --code: #18202b;
  --code-ink: #edf1f5;
  --shadow-sm: 0 2px 8px rgba(23, 32, 51, 0.05);
  --shadow-lg: 0 10px 28px rgba(23, 32, 51, 0.09);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --sans: "Manrope", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #11151c;
  --bg-soft: #181e27;
  --surface: #181e27;
  --surface-solid: #181e27;
  --surface-strong: #202733;
  --ink: #f3f5f7;
  --ink-soft: #d1d7df;
  --muted: #9ca6b4;
  --line: #2c3541;
  --line-strong: #3b4654;
  --accent: #ef6277;
  --accent-strong: #ff91a2;
  --accent-soft: #321b24;
  --link: #8bbce5;
  --link-hover: #f37689;
  --chip: #202733;
  --code: #0c1118;
  --code-ink: #e4e9ef;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  transition: color 180ms ease, background-color 180ms ease;
}

body,
button,
input {
  font-family: var(--sans);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: var(--link);
  text-decoration: none;
  text-underline-offset: 0.2em;
  transition: color 160ms ease, border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

a:hover {
  color: var(--link-hover);
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--link) 45%, transparent);
  outline-offset: 3px;
}

::selection {
  color: var(--ink);
  background: color-mix(in srgb, var(--accent) 26%, transparent);
}

.reading-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: 3px;
  pointer-events: none;
}

.reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--accent);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.topbar.is-scrolled {
  border-color: var(--line);
  box-shadow: var(--shadow-sm);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 40px, 1160px);
  min-height: 72px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand:hover {
  color: var(--ink);
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--surface-strong);
  background: var(--ink);
  font-family: var(--serif);
  font-size: 0.95rem;
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links > a {
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 600;
}

.nav-links > a:hover {
  color: var(--accent);
}

.theme-toggle {
  display: grid;
  width: 38px;
  height: 38px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  background: var(--surface);
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.theme-icon {
  grid-area: 1 / 1;
  font-size: 1.1rem;
  line-height: 1;
  transition: opacity 160ms ease, transform 160ms ease;
}

:root[data-theme="light"] .theme-icon-light,
:root[data-theme="dark"] .theme-icon-dark {
  opacity: 0;
  transform: rotate(-35deg) scale(0.6);
}

.site-shell {
  width: min(100% - 40px, 1160px);
  margin: 0 auto;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
  gap: clamp(38px, 6vw, 76px);
  align-items: center;
  min-height: auto;
  padding: clamp(72px, 8vw, 100px) 0 clamp(92px, 10vw, 124px);
}

.hero-media {
  position: relative;
  align-self: center;
}

.hero-media > a {
  display: block;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-solid);
  box-shadow: var(--shadow-sm);
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: transform 500ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

.hero-media > a:hover img {
  transform: scale(1.025);
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.visitor-card h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.hero h1 {
  max-width: 780px;
  font-size: clamp(3.45rem, 6.6vw, 5.75rem);
}

.hero h1 span {
  display: inline-block;
  margin-left: 0.12em;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.35em;
  font-weight: 500;
  letter-spacing: 0.04em;
  vertical-align: 0.34em;
}

.hero-lede {
  max-width: 760px;
  margin: 24px 0 22px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(1.2rem, 1.9vw, 1.5rem);
  line-height: 1.4;
}

.hero-bio {
  max-width: 760px;
  color: var(--muted);
  font-size: 0.96rem;
}

.hero-bio p {
  margin: 0 0 12px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 45px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 17px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--ink);
  background: var(--surface);
  font-size: 0.84rem;
  font-weight: 700;
}

.button:hover {
  border-color: var(--ink);
  color: var(--ink);
  transform: translateY(-1px);
}

.button-primary {
  border-color: var(--ink);
  color: var(--surface-strong);
  background: var(--ink);
}

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

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 18px;
}

.social-links a {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
}

.research-focus {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.research-focus span {
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--ink-soft);
  background: var(--surface);
  font-size: 0.72rem;
  font-weight: 700;
}

.publication-section {
  padding: 40px 0 110px;
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr;
  align-items: end;
  padding-top: 36px;
  border-top: 1px solid var(--line-strong);
}

.section-heading h2 {
  font-size: clamp(2.9rem, 5vw, 4.5rem);
}

.section-heading > p {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.96rem;
}

.publication-toolbar {
  position: sticky;
  top: 84px;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto minmax(72px, auto);
  gap: 16px;
  align-items: center;
  margin: 42px 0 24px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface-solid) 96%, transparent);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.search-field {
  display: flex;
  min-height: 42px;
  align-items: center;
  gap: 9px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: var(--surface-strong);
}

.search-field:focus-within {
  border-color: var(--link);
}

.search-field input {
  width: 100%;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font-size: 0.84rem;
}

.search-field input::placeholder {
  color: var(--muted);
}

.filter-group {
  display: flex;
  gap: 5px;
}

.filter-button,
.no-results button {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 5px;
  color: var(--muted);
  background: transparent;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
}

.filter-button:hover {
  color: var(--ink);
  background: var(--chip);
}

.filter-button.is-active {
  color: var(--surface-strong);
  background: var(--ink);
}

.publication-count {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-align: right;
  white-space: nowrap;
}

.publication-list {
  display: block;
  width: 100% !important;
  border: 0;
  border-collapse: separate;
}

.publication-list > tbody {
  display: grid;
  gap: 20px;
  width: 100%;
}

.publication-list > tbody > tr {
  position: relative;
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.42fr);
  gap: clamp(22px, 3vw, 36px);
  width: 100%;
  padding: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: none;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease, opacity 300ms ease;
}

.publication-list > tbody > tr:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.publication-list tr[hidden] {
  display: none !important;
}

.publication-list td {
  display: block;
  width: auto !important;
  min-width: 0;
  padding: 0 !important;
  text-align: left !important;
  vertical-align: top;
}

.publication-list td:first-child {
  position: relative;
}

.publication-list td:first-child > a {
  display: grid;
  height: 100%;
  min-height: 210px;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--bg-soft);
}

.publication-list td:first-child img {
  width: 100% !important;
  height: 100% !important;
  max-height: 270px;
  padding: 0 !important;
  border-radius: 0 !important;
  object-fit: contain;
  transition: transform 450ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

.publication-list tr:hover td:first-child img {
  transform: scale(1.018);
}

.year-badge {
  position: absolute;
  top: 11px;
  left: 11px;
  z-index: 2;
  padding: 5px 9px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 4px;
  color: #fff;
  background: rgba(18, 27, 24, 0.76);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1;
  backdrop-filter: blur(8px);
}

.publication-list td:nth-child(2) > p:first-child {
  margin: 2px 0 13px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.62;
}

.publication-list heading {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.32rem, 2vw, 1.66rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.18;
}

.publication-list heading:hover {
  color: var(--accent);
}

.publication-list b {
  color: var(--ink);
  font-weight: 700;
}

.paper {
  color: var(--muted);
  font-size: 0;
}

.paper > a {
  display: inline-flex;
  min-height: 31px;
  align-items: center;
  margin: 0 6px 6px 0;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--ink-soft);
  background: var(--surface-strong);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.025em;
  line-height: 1;
  text-transform: uppercase;
}

.paper > a:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.paper > p {
  margin: 12px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--accent);
  border-radius: 0 5px 5px 0;
  color: var(--ink-soft);
  background: var(--accent-soft);
  font-size: 0.79rem;
  line-height: 1.65;
  text-align: left !important;
}

.paper > p i {
  font-style: normal;
}

.paper > pre {
  max-width: 100%;
  margin: 12px 0 0;
  padding: 16px;
  overflow: auto;
  border-radius: 6px;
  color: var(--code-ink);
  background: var(--code);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.72rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.no-results {
  display: grid;
  min-height: 260px;
  place-items: center;
  align-content: center;
  gap: 8px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  color: var(--muted);
  text-align: center;
}

.no-results[hidden] {
  display: none;
}

.no-results > span {
  font-size: 2rem;
}

.no-results p {
  margin: 0;
}

.no-results button {
  border-color: var(--line);
  color: var(--ink);
  background: var(--surface-strong);
}

.visitor-card {
  display: grid;
  grid-template-columns: minmax(250px, 1fr) minmax(360px, 460px);
  gap: clamp(34px, 5vw, 62px);
  align-items: center;
  margin: 0 0 100px;
  padding: clamp(26px, 4vw, 48px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-solid);
  box-shadow: var(--shadow-sm);
}

.visitor-card h2 {
  max-width: 460px;
  font-size: clamp(2.3rem, 3.5vw, 3.15rem);
  line-height: 1.04;
}

.visitor-intro {
  display: grid;
  gap: 24px;
  justify-items: start;
}

.visitor-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  color: var(--muted);
  font-size: 0.83rem;
}

.visitor-summary strong {
  margin-right: 4px;
  color: var(--ink);
  font-size: 1.1rem;
}

.visitor-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.visitor-counter-badge {
  display: block;
  width: 160px;
  height: 20px;
  border-radius: 3px;
}

.visitor-stats-link {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 7px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  color: var(--ink-soft);
  background: var(--surface-strong);
  font-size: 0.78rem;
  font-weight: 700;
}

.visitor-stats-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.visitor-globe-panel {
  position: relative;
  width: min(100%, 460px);
  aspect-ratio: 1;
  justify-self: end;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-soft);
}

.visitor-globe-panel canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
  touch-action: none;
}

.visitor-globe-panel canvas:active {
  cursor: grabbing;
}

.visitor-globe-panel canvas:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--link) 45%, transparent);
  outline-offset: -4px;
}

.visitor-globe-tooltip {
  position: absolute;
  z-index: 3;
  max-width: 190px;
  padding: 7px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  color: var(--ink);
  background: var(--surface-strong);
  box-shadow: var(--shadow-sm);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.35;
  pointer-events: none;
}

.visitor-globe-help {
  position: absolute;
  right: 12px;
  bottom: 12px;
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  background: color-mix(in srgb, var(--surface-strong) 92%, transparent);
  font-size: 0.66rem;
  font-weight: 700;
  pointer-events: none;
}

.site-footer {
  display: flex;
  justify-content: flex-start;
  gap: 30px;
  width: min(100% - 40px, 1160px);
  margin: 0 auto;
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.72rem;
}

.site-footer p {
  margin: 0;
}

.site-footer p:last-child {
  max-width: 620px;
  text-align: right;
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 30;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--surface-strong);
  background: var(--ink);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 160ms ease, transform 160ms ease, background-color 160ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

.reveal-ready {
  opacity: 0;
  transform: translateY(18px);
}

.reveal-ready.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: minmax(210px, 270px) minmax(0, 1fr);
    gap: 38px;
  }

  .hero h1 {
    font-size: clamp(3.4rem, 8vw, 5.2rem);
  }

  .publication-list > tbody > tr {
    grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
    gap: 22px;
  }

  .publication-toolbar {
    grid-template-columns: 1fr auto;
  }

  .publication-count {
    display: none;
  }

  .visitor-card {
    grid-template-columns: 1fr;
  }

  .visitor-globe-panel {
    justify-self: center;
  }
}

@media (max-width: 720px) {
  html {
    scroll-padding-top: 74px;
  }

  .nav-shell,
  .site-shell,
  .site-footer {
    width: min(100% - 28px, 1160px);
  }

  .nav-shell {
    min-height: 64px;
  }

  .nav-links {
    gap: 14px;
  }

  .nav-links a:first-child {
    display: none;
  }

  .brand > span:last-child {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 48px 0 80px;
  }

  .hero-media {
    width: min(76vw, 310px);
  }

  .hero h1 {
    font-size: clamp(3.2rem, 15vw, 4.4rem);
  }

  .hero h1 span {
    display: block;
    margin: 0.28em 0 0;
    font-size: 0.28em;
    vertical-align: 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .section-heading h2 {
    font-size: clamp(2.7rem, 12vw, 3.8rem);
  }

  .publication-toolbar {
    position: static;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 30px;
  }

  .filter-group {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
  }

  .filter-button {
    padding: 0 6px;
  }

  .publication-list > tbody > tr {
    grid-template-columns: 1fr;
    padding: 14px;
    border-radius: var(--radius-md);
  }

  .publication-list td:first-child > a {
    min-height: 180px;
    aspect-ratio: 16 / 10;
  }

  .publication-list td:first-child img {
    max-height: none;
  }

  .visitor-card {
    grid-template-columns: 1fr;
    margin-bottom: 70px;
  }

  .site-footer {
    flex-direction: column;
    gap: 10px;
  }

  .site-footer p:last-child {
    text-align: left;
  }

  .back-to-top {
    right: 15px;
    bottom: 15px;
  }
}

@media (max-width: 430px) {
  .nav-links > a {
    font-size: 0.76rem;
  }

  .nav-links {
    gap: 11px;
  }

  .theme-toggle {
    width: 34px;
    height: 34px;
  }

  .hero-actions .button {
    flex: 1 1 auto;
  }

  .publication-section {
    padding-bottom: 80px;
  }

  .filter-button {
    font-size: 0.66rem;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal-ready {
    opacity: 1;
    transform: none;
  }
}