@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600;700&family=Inter:wght@400;500;600;700;800&family=Lora:wght@500;600;700&display=swap');

:root {
  --content-padding-left: 0px;
  --paper: #FAFAF9;
  --paper-strong: #F2F4F5;
  --surface: rgba(255, 255, 255, 0.78);
  --ink: #263238;
  --ink-soft: #46545B;
  --muted: #66747C;
  --line: #D8DEE1;
  --accent: #605674;
  --accent-soft: rgba(96, 86, 116, 0.10);
  --dark: #263238;
  --dark-soft: #334149;
  --dark-band-ink: #FAFAF9;
  --experience-bg: var(--dark);
  --experience-muted: var(--muted);
  --dark-muted: var(--muted);
  --dark-line: rgba(38, 50, 56, 0.18);
  --serif: 'Lora', Georgia, serif;
  --sans: 'Inter', 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', 'SFMono-Regular', monospace;
}

[data-theme='dark'] {
  --paper: #182329;
  --paper-strong: #202D33;
  --surface: rgba(32, 45, 51, 0.82);
  --ink: #F1F4F4;
  --ink-soft: #D5DEDF;
  --muted: #AEBCC0;
  --line: rgba(230, 240, 242, 0.16);
  --accent: #8B7890;
  --accent-soft: rgba(139, 120, 144, 0.14);
  --dark: #263238;
  --dark-soft: #334149;
  --dark-band-ink: #F1F4F4;
  --experience-bg: var(--dark);
  --experience-muted: var(--muted);
  --dark-muted: var(--muted);
  --dark-line: rgba(230, 240, 242, 0.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background .25s ease, color .25s ease;
}
a { color: inherit; }
.container { width: min(1280px, calc(100% - 64px)); margin: 0 auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.page-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  align-items: start;
  gap: 56px;
  padding-top: 44px;
}

.profile-sidebar {
  position: sticky;
  top: 108px;
  height: fit-content;
  min-height: 0;
  padding-bottom: 0;
}

.sidebar-photo {
  width: 100%;
  margin-bottom: 24px;
}

.sidebar-name {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.7rem;
  line-height: 1.1;
}

.sidebar-title,
.sidebar-location {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.55;
}

.sidebar-location {
  margin-top: 6px;
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .06em;
}

.sidebar-links {
  position: static;
  display: grid;
  gap: 11px;
  margin-top: 28px;
  transform: none;
}

.sidebar-links a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  text-decoration: none;
  transition: color .2s ease;
}

.sidebar-links a:hover,
.sidebar-links a:focus-visible { color: var(--accent); }

.sidebar-icon {
  display: inline-flex;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  color: var(--accent);
}

.sidebar-link-email .sidebar-icon { color: #4A5560; }
.sidebar-link-scholar .sidebar-icon { color: #4285F4; }
.sidebar-link-linkedin .sidebar-icon { color: #0A66C2; }
.sidebar-link-orcid .sidebar-icon { color: #A6CE39; }

.sidebar-icon svg {
  width: 18px;
  height: 18px;
  display: block;
}

.sidebar-link-label {
  color: var(--muted);
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.main-content {
  min-width: 0;
  padding-left: var(--content-padding-left);
}
.main-content > .section-shell > .container { width: 100%; }
.main-content .hero-grid { grid-template-columns: 1fr; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(14px);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.wordmark {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: .08em;
}

.wordmark span { color: var(--ink); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.nav-menu a {
  text-decoration: none;
  color: var(--muted);
  font-family: var(--mono);
}

.nav-menu a:hover,
.nav-menu a:focus-visible { color: var(--accent); }

.nav-contact {
  border-left: 1px solid var(--line);
  padding-left: 24px;
}

.theme-toggle,
.menu-toggle {
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  font: inherit;
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease;
}

.theme-toggle {
  padding: 7px 11px;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.menu-toggle {
  display: none;
  padding: 10px;
}

.menu-toggle > span:not(.sr-only) {
  display: block;
  width: 20px;
  height: 1px;
  margin: 4px 0;
  background: currentColor;
}

.section-shell { padding: 136px 0; }

.hero {
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: center;
  padding: 112px 0 148px;
  background: transparent;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
  align-items: center;
  gap: 80px;
}

.eyebrow,
.card-kicker,
.date,
.hero-meta,
.focus-number,
.project-status,
.publication-status {
  color: var(--accent);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.hero h1,
h2,
h3 { margin: 0; font-family: var(--serif); font-weight: 600; line-height: 1.08; }

.hero-name {
  margin: 18px 0 8px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1;
  letter-spacing: -.035em;
}

.hero-role {
  margin: 0;
  color: var(--accent);
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 780px;
  margin: 30px 0 20px;
  font-size: clamp(2.8rem, 5.2vw, 5.5rem);
  letter-spacing: -.045em;
}

.hero-lede {
  max-width: 570px;
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  border: 1px solid var(--accent);
  border-radius: 5px;
  font-size: .8rem;
  line-height: 1;
  text-decoration: none;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}

.button-primary {
  color: #ffffff;
  background: var(--accent);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--accent);
  border-color: var(--accent);
}

.button-quiet {
  color: var(--accent);
  background: transparent;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 48px;
  color: var(--ink-soft);
  font-size: .62rem;
}

.hero-portrait { position: relative; max-width: 390px; justify-self: end; }

.portrait-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  padding: 12px;
  border: 0;
  background: var(--surface);
  box-shadow: 0 18px 50px rgba(24, 35, 42, 0.1);
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  filter: saturate(.72);
}

.section-heading { max-width: 700px; margin-bottom: 52px; }

.section-heading h2 {
  margin: 14px 0 18px;
  font-size: clamp(2.6rem, 5vw, 4.5rem);
  letter-spacing: -.035em;
}

.section-heading > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.quotation-section {
  padding: 158px 0;
  background: var(--paper-strong);
}

.quotation-wrapper {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.quotation-wrapper::before {
  content: '';
  position: absolute;
  left: 50%;
  top: -24px;
  width: 2px;
  height: 16px;
  background: var(--accent);
  transform: translateX(-50%);
}

.quotation-text {
  position: relative;
  margin: 0 0 28px 0;
  font-family: var(--serif);
  font-size: clamp(1.6rem, 4.5vw, 2.2rem);
  line-height: 1.5;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.015em;
}

.quotation-text::before {
  content: '“';
  margin-right: 4px;
  color: var(--accent);
}

.quotation-text::after {
  content: '”';
  margin-left: 4px;
  color: var(--accent);
}

.quotation-attribution {
  display: block;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.focus-item {
  min-width: 0;
  min-height: 250px;
  padding: 28px 22px 18px 0;
  border-right: 1px solid var(--line);
}

.focus-item:not(:first-child) { padding-left: 22px; }
.focus-item:last-child { border-right: 0; }

.focus-number { color: var(--accent); }

.focus-item h3 {
  margin: 34px 0 14px;
  font-size: 1.55rem;
}

.focus-item p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
}

.dark-band {
  color: var(--ink);
  background: var(--paper-strong);
}

.dark-band .split-layout {
  grid-template-columns: 1fr;
  gap: 32px;
}

.dark-band .section-heading {
  margin-bottom: 32px;
}

.dark-band .section-heading .eyebrow {
  margin: 0;
}

.dark-band .section-heading h2 {
  margin: 12px 0 16px;
}

.dark-band .experience-card {
  padding-top: 0;
}

.dark-band .experience-card h3 {
  margin: 12px 0 8px;
}

.dark-band .experience-card .date {
  margin: 0 0 12px;
}

.dark-band .experience-card p:not(.date) {
  margin: 0 0 16px;
}

.dark-band .section-heading > p:last-child,
.dark-band .experience-card p,
.dark-band .tag-row span {
  color: var(--muted);
}

.split-layout,
.about-grid,
.contact-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  align-items: start;
  gap: 90px;
}

.experience-card {
  padding: 6px 0 30px;
  border-bottom: 1px solid var(--dark-line);
  background: transparent;
}

.experience-list { display: grid; gap: 30px; }

.experience-card h3 {
  margin: 16px 0 10px;
  font-size: 2rem;
  color: var(--ink);
}

.experience-card .date { color: var(--accent); }

.tag-row,
.knowledge-list { display: flex; flex-wrap: wrap; gap: 8px; }

.tag-row span,
.knowledge-list span {
  padding: 6px 9px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: transparent;
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .04em;
}

.knowledge-groups {
  display: grid;
  gap: 20px;
}

.knowledge-group h4 {
  margin: 0 0 8px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.knowledge-group .knowledge-list { gap: 5px 14px; }

.knowledge-group .knowledge-list span {
  padding: 0;
  border: 0;
  font-size: .74rem;
}

.knowledge-group:last-child .knowledge-list span {
  color: var(--muted);
  font-size: .66rem;
}

.dark-band .tag-row span {
  border-color: var(--line);
  color: var(--muted);
}

.row-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  max-width: none;
}

.row-heading > p {
  max-width: 330px;
  margin: 0 0 8px;
  color: var(--muted);
}

.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }

.project-card,
.publication-item {
  border: 0;
  border-top: 2px solid var(--line);
  background: var(--surface);
}

.project-card {
  display: flex;
  flex-direction: column;
  min-height: 320px;
  padding: 30px 28px 32px;
  box-shadow: 0 8px 24px rgba(24, 35, 42, 0.04);
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.project-card:hover,
.project-card:focus-within {
  border-color: var(--accent);
  box-shadow: 0 14px 30px rgba(24, 35, 42, 0.08);
  transform: translateY(-3px);
}

.project-card h3 {
  margin: 16px 0 12px;
  font-size: 1.8rem;
}

.project-card p {
  flex: 1;
  margin: 0 0 22px;
  color: var(--muted);
  font-size: .92rem;
}

.project-status {
  align-self: flex-start;
  display: inline-block;
  padding: 5px 8px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
}

.project-duration {
  margin-bottom: 12px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .04em;
}

.loading-state { color: var(--muted); }

.publication-section {
  background: var(--paper-strong);
}

.publication-list { display: grid; gap: 12px; }

.publication-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  padding: 28px 0;
  background: transparent;
  border-top-width: 1px;
  box-shadow: none;
}

.publication-item h3 {
  margin: 7px 0;
  font-size: 1.55rem;
}

.publication-item p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
}

.news-section {
  background: var(--paper);
}

.news-list {
  border-top: 1px solid var(--line);
}

.news-item {
  display: grid;
  grid-template-columns: minmax(120px, .25fr) 1fr;
  gap: 30px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.news-item time {
  color: var(--accent);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.news-item p {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.15rem;
}

.publication-status {
  align-self: start;
  display: inline-block;
  padding: 5px 8px;
  border: 1px solid var(--accent);
  background: transparent;
}

.about-section { border-top: 1px solid var(--line); }

.about-details { display: grid; gap: 42px; }

.detail-block {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.detail-block h3 {
  margin-bottom: 20px;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.timeline-item {
  display: grid;
  gap: 3px;
  padding: 15px 0 15px 18px;
  margin-left: 4px;
  border-top: 1px solid var(--line);
  border-left: 2px solid var(--accent);
}

.timeline-item strong {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 500;
}

.timeline-item span {
  color: var(--muted);
  font-size: .82rem;
}

.knowledge-list span { color: var(--ink); }

.plain-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.contact-section {
  padding-bottom: 136px;
  background: var(--paper-strong);
  color: var(--ink);
}

.contact-section .section-heading h2,
.contact-section .section-heading p,
.contact-section .section-heading > p:last-child,
.contact-section .eyebrow,
.contact-links a,
.contact-links span,
.contact-links strong {
  color: var(--ink);
}

.contact-section .eyebrow,
.contact-section .section-heading > p:last-child {
  color: var(--muted);
}

.contact-panel-label {
  margin: 0 0 8px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.contact-links { display: grid; gap: 0; }

.contact-links a {
  display: grid;
  gap: 4px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
}

.contact-links a:last-child { border-bottom: 1px solid var(--line); }

.contact-links span {
  font-family: var(--mono);
  font-size: .65rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-links strong {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--ink);
}

.site-footer {
  padding: 20px 0 28px;
  color: var(--muted);
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 52px;
}

.footer-socials {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
}

.social-link,
.footer-top {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--line);
  background: transparent;
  transition: border-color .2s ease, color .2s ease;
}

.social-link svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
  display: block;
}

.social-link {
  color: var(--muted);
}

.social-link-linkedin {
  color: var(--muted);
}

.footer-top {
  color: var(--accent);
}

.social-link:hover,
.social-link:focus-visible {
  color: var(--muted);
  border-color: var(--line);
}

.social-link-linkedin:hover,
.social-link-linkedin:focus-visible {
  color: var(--muted);
}

.footer-top:hover,
.footer-top:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

.footer-copy {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-align: center;
}

.footer-top {
  margin-left: auto;
  font-size: 1rem;
  line-height: 1;
  font-weight: 600;
}

.footer-inner a { color: var(--accent); text-decoration: none; }

.reveal { animation: rise .7s both; }
.reveal-delay { animation-delay: .12s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 1120px) and (min-width: 801px) {
  .page-layout { gap: 42px; }
  .nav-menu { gap: 13px; font-size: .68rem; }
  .nav-contact { padding-left: 13px; }
  .hero-grid { gap: 48px; }
  .hero h1 { font-size: clamp(2.8rem, 4.7vw, 4.4rem); }
  .hero-role { overflow-wrap: anywhere; }
}

@media (max-width: 800px) {
  :root { --content-padding-left: 0px; }
  .container { width: min(100% - 36px, 620px); }
  .page-layout {
    display: block;
    padding-top: 28px;
  }
  .profile-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 116px minmax(0, 1fr);
    column-gap: 22px;
    padding-bottom: 0;
  }
  .sidebar-photo {
    grid-row: span 4;
    width: 116px;
    margin: 0;
  }
  .sidebar-name { align-self: end; font-size: 1.5rem; }
  .sidebar-title { margin-top: 6px; }
  .sidebar-location { margin-top: 4px; }
  .sidebar-links {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
    margin-top: 12px;
    transform: none;
  }
  .menu-toggle { display: block; }
  .nav-menu {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 18px 20px;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
  }
  .nav-menu.is-open { display: flex; }
  .nav-menu a,
  .theme-toggle { padding: 13px 0; }
  .nav-contact { border-left: 0; padding-left: 0; }
  .theme-toggle { text-align: left; border-width: 1px 0 0; }
  .hero { padding: 82px 0 104px; }
  .hero-grid,
  .split-layout,
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 54px; }
  .hero h1 { font-size: clamp(3rem, 13vw, 5rem); }
  .hero-portrait { width: min(100%, 330px); justify-self: center; }
  .focus-grid { grid-template-columns: repeat(2, 1fr); }
  .focus-item:nth-child(2) { border-right: 0; }
  .focus-item:nth-child(n+3) { border-top: 1px solid var(--line); }
  .focus-item:nth-child(3) { padding-left: 0; }
  .row-heading { display: block; }
  .row-heading > p { margin-top: 20px; }
}

@media (max-width: 520px) {
  .section-shell { padding: 88px 0; }
  .hero { min-height: auto; }
  .hero-name { margin-top: 14px; font-size: 2.4rem; }
  .hero-role { max-width: 290px; line-height: 1.5; }
  .hero h1 { margin-top: 24px; font-size: clamp(2.6rem, 12vw, 4rem); }
  .profile-sidebar {
    grid-template-columns: 88px minmax(0, 1fr);
    column-gap: 16px;
  }
  .sidebar-photo { width: 88px; }
  .sidebar-name { font-size: 1.25rem; }
  .sidebar-title { font-size: .72rem; }
  .sidebar-links { grid-column: 1 / -1; }
  .focus-grid,
  .project-grid { grid-template-columns: 1fr; }
  .focus-item,
  .focus-item:not(:first-child),
  .focus-item:nth-child(3) {
    min-height: auto;
    padding: 22px 0;
    border-right: 0;
    border-top: 1px solid var(--line);
  }
  .focus-item:first-child { border-top: 0; }
  .project-card { min-height: auto; padding: 26px 20px 28px; }
  .publication-item { padding: 24px 0; }
  .publication-item { grid-template-columns: 1fr; gap: 12px; }
  .news-item { grid-template-columns: 1fr; gap: 7px; }
  .footer-inner {
    flex-wrap: wrap;
    gap: 12px 16px;
    justify-content: center;
  }
  .footer-socials,
  .footer-top {
    margin: 0;
  }
}

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