@font-face {
  font-family: "Kalam";
  src: url("../fonts/Kalam-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Kalam";
  src: url("../fonts/Kalam-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Lato";
  src: url("../fonts/Lato-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Lato";
  src: url("../fonts/Lato-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Lato";
  src: url("../fonts/Lato-Italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/IBMPlexMono-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink: #243a32;
  --text: #242b27;
  --muted: #5c675e;
  --paper: #faf8f3;
  --accent: #a04d37;
  --line: #dedfd5;
  --sans: "Lato", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --hand: "Kalam", "Segoe Print", "Bradley Hand", cursive;
  --green-wash: #edf2e9;
  --peach-wash: #f5eee4;
  --shell: min(960px, calc(100% - 4rem));
  --header-h: 66px;
  --motion-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 1rem); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font: 1.125rem/1.75 var(--sans);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 0.22em; }
a:hover { color: var(--accent); }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
  border-radius: 2px;
}
.shell { width: var(--shell); margin-inline: 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;
}
.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--paper);
  transform: translateY(-160%);
}
.skip-link:focus { transform: none; }

/* Content is visible by default, even when JavaScript is unavailable. */
@keyframes content-arrive {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: no-preference) {
  .section .reveal.is-visible,
  .contact-section .reveal.is-visible:not(.contact-sketch) {
    animation: content-arrive 650ms var(--motion-ease) backwards;
    animation-delay: var(--reveal-delay, 0ms);
  }
  .news-item:nth-child(2), .interest-list li:nth-child(2) { --reveal-delay: 60ms; }
  .news-item:nth-child(3), .interest-list li:nth-child(3) { --reveal-delay: 120ms; }
  .news-item:nth-child(4) { --reveal-delay: 180ms; }
  .reveal:focus-within, .hero-actions:focus-within { animation: none !important; }
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  min-height: var(--header-h);
  background: rgba(250, 248, 243, 0.97);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 250ms ease, background-color 250ms ease;
}
.site-header.is-scrolled { box-shadow: 0 3px 18px rgba(36, 58, 50, 0.045); }
.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(0.75rem, 2vw, 1.5rem);
}
.header-controls { order: 2; display: flex; align-items: center; gap: 0.25rem; }
.brand {
  flex-shrink: 0;
  color: var(--ink);
  font: 700 1.55rem/1.3 var(--hand);
  text-decoration: none;
}
.site-nav {
  order: 1;
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 1.6rem;
  font-size: 0.9375rem;
}
.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  gap: 0.25rem;
  text-decoration: none;
}
.site-nav a::after {
  content: "";
  position: absolute;
  inset: auto 0 8px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); }
.nav-toggle { display: none; }

.hero {
  background-image:
    linear-gradient(rgba(36, 58, 50, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 58, 50, 0.025) 1px, transparent 1px);
  background-size: 28px 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 208px;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  padding-block: 3rem 2.5rem;
}
.hero h1 {
  margin: 0;
  color: var(--ink);
  font: 700 clamp(3.25rem, 6.5vw, 4.5rem)/1.2 var(--hand);
  letter-spacing: -0.035em;
}
.name-mark { position: relative; display: inline-block; }
.name-mark::after {
  content: "";
  position: absolute;
  inset: auto 2% 4px 1%;
  height: 7px;
  border-bottom: 3px solid #c98666;
  border-radius: 50%;
  transform-origin: left;
  animation: signature-line 1s 250ms both ease-out;
}
@keyframes signature-line {
  from { transform: scaleX(0) rotate(-1deg); }
  to { transform: scaleX(1) rotate(-1deg); }
}
.hero-role {
  margin: 0.7rem 0 0;
  font-family: var(--mono);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.015em;
  line-height: 1.8;
}
.hero-role span { color: var(--accent); padding-inline: 0.18rem; }
.hero-intro {
  max-width: 63ch;
  margin: 1.2rem 0 0;
  color: var(--text);
  font-size: 1.125rem;
  line-height: 1.75;
}
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.4rem;
  margin-top: 1rem;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 44px;
  color: var(--accent);
  font-size: 0.9375rem;
  text-decoration-color: #c7a797;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}
.text-link:hover { text-decoration-color: currentColor; }
.text-link span, .paper-link span { transition: transform 180ms ease; }
.text-link:is(:hover, :focus-visible) span,
.paper-link:is(:hover, :focus-visible) span { transform: translate(2px, -2px); }
.text-link, .paper-link {
  transition: color 180ms ease, text-decoration-color 180ms ease, text-underline-offset 220ms ease;
}
.text-link:is(:hover, :focus-visible), .paper-link:is(:hover, :focus-visible) {
  text-underline-offset: 0.32em;
}
.hero-portrait { margin: 0; width: 100%; }
.portrait-float { --float-distance: -5px; }
.portrait-mat {
  position: relative;
  transition: transform 550ms var(--motion-ease);
}
.portrait-leaf {
  position: absolute;
  left: -25px;
  bottom: -6px;
  width: 40px;
  height: 40px;
  color: #67806d;
  transform: rotate(-12deg);
  transform-origin: 12% 88%;
  pointer-events: none;
}
@keyframes portrait-drift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(var(--float-distance)); }
}
@keyframes leaf-sway {
  0%, 100% { transform: rotate(-12deg); }
  50% { transform: rotate(1deg); }
}
.portrait-leaf path {
  stroke-dasharray: 1;
  stroke-dashoffset: 0;
  animation: leaf-draw 1.3s 500ms cubic-bezier(0.3, 0.1, 0.3, 1) 1 both;
}
.portrait-leaf path + path {
  animation-duration: 650ms;
  animation-delay: 1.35s;
}
@keyframes leaf-draw {
  from { stroke-dashoffset: 1; }
  to { stroke-dashoffset: 0; }
}
.portrait-frame {
  overflow: hidden;
  aspect-ratio: 0.9;
  border-radius: 8px;
  background: #e0e4d9;
  border: 5px solid #fffdfa;
  box-shadow: 0 4px 16px rgba(36, 58, 50, 0.09);
  transition: box-shadow 550ms ease;
}
.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 42%;
  transition: transform 750ms var(--motion-ease);
}
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .hero-portrait:hover .portrait-mat { transform: translateY(-4px) rotate(-1.25deg); }
  .hero-portrait:hover .portrait-frame { box-shadow: 0 10px 24px rgba(36, 58, 50, 0.13); }
  .hero-portrait:hover .portrait-frame img { transform: scale(1.025); }
}
.hero-portrait figcaption {
  padding-top: 0.6rem;
  color: var(--muted);
  font-size: 0.8125rem;
  text-align: center;
}

.section > .shell,
.contact-section > .shell {
  padding-block: 2.2rem;
  border-top: 1px solid var(--line);
}
.news-section, .contact-section { background: var(--green-wash); }
.research-section { background: var(--peach-wash); }
.news-section, .research-section, .contact-section { border-block: 1px solid var(--line); }
.news-section > .shell,
.research-section > .shell,
.contact-section > .shell,
.publication-section > .shell,
.about-section > .shell { border-top: 0; }
h2 {
  margin: 0 0 1.25rem;
  color: var(--ink);
  font: 400 2.3rem/1.25 var(--hand);
  letter-spacing: -0.035em;
}
.news-grid { display: grid; grid-template-columns: 122px minmax(0, 1fr); gap: 2rem; }
.news-heading h2 { margin-top: 0.15rem; }
.news-list { list-style: none; margin: 0; padding: 0; }
.news-item {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: 1rem;
}
.news-item + .news-item {
  margin-top: 1.1rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}
.news-item time {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  padding-top: 0.12rem;
}
.news-item p { margin: 0; color: var(--text); line-height: 1.75; }
.news-item strong { color: var(--ink); font-weight: 700; }
.news-item cite { font-style: italic; font-weight: 400; }
.news-item a { text-decoration-color: #b5beb0; }

.publication-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-bottom: 0.4rem;
}
.publication-heading h2 { margin-bottom: 0.3rem; }
.paper-list { list-style: none; margin: 0; padding: 0; }
.paper {
  display: grid;
  grid-template-columns: 122px minmax(0, 1fr);
  gap: 0 2rem;
  padding-block: 1.3rem;
}
.paper + .paper { border-top: 1px solid var(--line); }
.paper:last-child { padding-bottom: 0; }
.paper-meta {
  grid-row: 1 / span 4;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
  padding-top: 0.12rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8125rem;
}
.paper-meta span:first-child {
  color: var(--accent);
  font-weight: 400;
}
.paper h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1.1875rem;
  font-weight: 700;
  line-height: 1.45;
  text-wrap: pretty;
}
.paper p {
  grid-column: 2;
  margin: 0.45rem 0 0;
  color: var(--text);
  font-size: 1.0625rem;
  line-height: 1.65;
}
.paper .paper-authors {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.6;
}
.paper-authors strong { color: var(--ink); font-weight: 700; }
.paper-link {
  grid-column: 2;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 44px;
  color: var(--accent);
  font-size: 0.9375rem;
  text-decoration-color: #c7a797;
}
.paper-link:hover { text-decoration-color: currentColor; }

.interest-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 83ch;
  color: var(--text);
}
.interest-list li + li { margin-top: 0.75rem; }
.interest-list strong { color: var(--ink); font-weight: 700; }
.about-grid { display: grid; grid-template-columns: 122px minmax(0, 1fr); gap: 2rem; }
.about-heading h2 { font-size: 2.1rem; }
.about-copy p { margin: 0; color: var(--text); }
.about-copy p + p { margin-top: 0.8rem; }
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; column-gap: 3rem; row-gap: 0; align-items: center; }
.contact-grid > div:first-child { grid-column: 1; }
.contact-grid h2 { font-size: 2.1rem; }
.contact-copy { grid-column: 1; }
.contact-copy p { margin: 0; color: var(--text); }
.contact-links { display: flex; flex-wrap: wrap; gap: 0.2rem 1.5rem; margin-top: 0.4rem; }
.contact-sketch { grid-column: 2; grid-row: 1 / span 2; width: 100%; align-self: center; }
.contact-sketch img { width: 100%; height: auto; }
.contact-sketch.is-visible img { animation: sketch-arrive 2.6s cubic-bezier(0.2, 0.65, 0.3, 1) both; }
@keyframes sketch-arrive {
  from { clip-path: inset(0 100% 0 0); opacity: 0.35; }
  to { clip-path: inset(0 0 0 0); opacity: 1; }
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  padding-block: 1.3rem;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  color: var(--muted);
}
.footer-inner p { margin: 0; }
.footer-inner a { min-height: 44px; display: inline-flex; align-items: center; text-decoration: none; }

@media (max-width: 700px) {
  :root { --shell: calc(100% - 2.5rem); --header-h: 60px; }
  .site-nav { gap: 1rem; }
  .hero-grid { grid-template-columns: minmax(0, 1fr) 172px; gap: 1.75rem; padding-block: 2.25rem; }
  .hero h1 { font-size: 3.25rem; }
  .hero-role span { display: none; }
  .hero-role { max-width: 25ch; }
  .hero-intro { font-size: 1rem; }
  .news-grid { grid-template-columns: 1fr; gap: 0; }
  .paper { grid-template-columns: 78px minmax(0, 1fr); column-gap: 1.25rem; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 0; }
  .contact-sketch { grid-column: 1; grid-row: auto; width: min(300px, 85%); justify-self: end; margin-top: 1.1rem; }
  .about-heading h2, .contact-grid h2 { font-size: 2.2rem; }
}

@media (max-width: 700px) {
  .nav-toggle {
    display: grid;
    position: relative;
    z-index: 2;
    place-content: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    color: var(--ink);
    background: transparent;
  }
  .nav-toggle span:not(.sr-only) {
    display: block;
    width: 22px;
    height: 1px;
    background: currentColor;
    transition: transform 220ms var(--motion-ease);
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(3.5px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-3.5px) rotate(-45deg); }
  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 1rem;
    padding: 2rem 1.5rem;
    background: var(--paper);
    font-size: 1.3rem;
    opacity: 0;
    visibility: hidden;
  }
  .site-nav.is-open { opacity: 1; visibility: visible; }
  @media (prefers-reduced-motion: no-preference) {
    .site-nav.is-open { animation: menu-arrive 220ms var(--motion-ease) backwards; }
    .site-nav.is-open a { animation: content-arrive 350ms var(--motion-ease) backwards; }
    .site-nav.is-open a:nth-child(2) { animation-delay: 35ms; }
    .site-nav.is-open a:nth-child(3) { animation-delay: 70ms; }
    .site-nav.is-open a:nth-child(4) { animation-delay: 105ms; }
    .site-nav.is-open a:nth-child(5) { animation-delay: 140ms; }
    .site-nav a:focus-visible { animation: none; }
  }
}

@media (max-width: 560px) {
  body { font-size: 1rem; }
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) 104px;
    gap: 0 1.25rem;
    align-items: start;
    padding-block: 2rem 1.75rem;
  }
  .hero-copy { display: contents; }
  .hero h1 { grid-column: 1; grid-row: 1; font-size: clamp(2.35rem, 9.2vw, 3rem); }
  .hero-role { grid-column: 1; grid-row: 2; font-size: 0.875rem; margin-top: 0.6rem; max-width: 23ch; }
  .hero-portrait { grid-column: 2; grid-row: 1 / span 2; }
  .portrait-float { --float-distance: -3px; }
  .hero-portrait figcaption { display: none; }
  .portrait-leaf { width: 28px; height: 28px; left: -15px; bottom: -5px; }
  .hero-intro { grid-column: 1 / -1; margin-top: 1.25rem; }
  .hero-actions { grid-column: 1 / -1; margin-top: 0.75rem; }
  .portrait-frame { aspect-ratio: 0.9; border-radius: 6px; }
  .section > .shell, .contact-section > .shell { padding-block: 1.75rem; }
  h2, .about-heading h2, .contact-grid h2 { font-size: 2.1rem; }
  .news-item { grid-template-columns: 2.7rem minmax(0, 1fr); gap: 0.65rem; }
  .news-item + .news-item { margin-top: 1rem; }
  .publication-heading { margin-bottom: 0; }
  .publication-heading .text-link { font-size: 0.875rem; }
  .paper { grid-template-columns: 1fr; padding-block: 1.25rem; }
  .paper-meta { grid-row: auto; flex-direction: row; gap: 0.5rem; margin-bottom: 0.45rem; align-items: baseline; }
  .paper p, .paper-link { grid-column: 1; }
  .paper h3 { font-size: 1.0625rem; }
  .footer-inner p:nth-child(2) { display: none; }
}

@keyframes menu-arrive {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (max-width: 350px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) 88px; gap: 0 0.75rem; }
  .hero h1 { font-size: 2rem; }
  .hero-role { font-size: 0.875rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .text-link span, .paper-link span { transform: none !important; }
}

@media print {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .site-header, .hero-actions, .site-footer, .portrait-leaf { display: none; }
  body { background: white; color: black; }
  .shell { width: 100%; }
  .hero-grid { padding-top: 0; }
  .paper { break-inside: avoid; }
}