:root {
  color-scheme: light;
  --canvas: oklch(97% 0.008 215);
  --surface: oklch(99% 0.003 215 / 0.92);
  --ink: oklch(22% 0.025 210);
  --muted: oklch(43% 0.025 210);
  --faint: oklch(58% 0.018 210);
  --rule: oklch(78% 0.018 205);
  --accent: oklch(34% 0.065 174);
  --accent-strong: oklch(26% 0.065 174);
  --accent-on: oklch(98% 0.006 210);
  --focus: oklch(52% 0.13 209);
  --page: min(1120px, calc(100vw - 3rem));
  --reading: 68ch;
  --serif: "Alegreya", Georgia, serif;
  --sans: "Public Sans", Arial, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --canvas: oklch(17% 0.018 205);
  --surface: oklch(21% 0.018 205 / 0.94);
  --ink: oklch(93% 0.01 200);
  --muted: oklch(76% 0.014 200);
  --faint: oklch(64% 0.014 200);
  --rule: oklch(34% 0.018 205);
  --accent: oklch(74% 0.09 174);
  --accent-strong: oklch(82% 0.075 174);
  --accent-on: oklch(16% 0.018 205);
  --focus: oklch(78% 0.11 208);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration-color: color-mix(in oklch, currentColor 38%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
  text-decoration-color: currentColor;
}

button {
  color: inherit;
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.sr-only {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.skip-link {
  background: var(--accent);
  color: var(--accent-on);
  left: 1rem;
  padding: 0.55rem 0.75rem;
  position: fixed;
  top: -5rem;
  z-index: 10;
}

.skip-link:focus {
  top: 1rem;
}

.section-shell {
  margin-inline: auto;
  width: var(--page);
}
.section-shell--narrow {
  max-width: 840px;
}

.site-header {
  background: color-mix(in oklch, var(--canvas) 90%, transparent);
  border-bottom: 1px solid var(--rule);
  inset: 0 0 auto;
  position: sticky;
  z-index: 5;
}

@supports (backdrop-filter: blur(10px)) {
  .site-header {
    backdrop-filter: blur(10px);
  }
}

.site-header__inner {
  align-items: center;
  display: flex;
  gap: 1.5rem;
  justify-content: space-between;
  margin-inline: auto;
  min-height: 4.4rem;
  width: var(--page);
}

.wordmark {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.018em;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav {
  align-items: center;
  display: flex;
  gap: clamp(0.75rem, 2vw, 1.5rem);
}

.site-nav > a {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav > a[aria-current],
.site-nav > a:hover {
  color: var(--ink);
}
.site-nav > a[aria-current] {
  text-decoration: underline;
  text-underline-offset: 0.45em;
}

.theme-toggle,
.nav-toggle {
  align-items: center;
  background: transparent;
  border: 0;
  cursor: pointer;
  display: inline-flex;
  justify-content: center;
  min-height: 2.5rem;
  min-width: 2.5rem;
  padding: 0.25rem;
}

.theme-toggle svg {
  fill: none;
  height: 1.15rem;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
  width: 1.15rem;
}
.theme-toggle:hover {
  color: var(--accent);
}
.nav-toggle {
  display: none;
}

.section {
  scroll-margin-top: 4.5rem;
  padding: clamp(4.75rem, 9vw, 8.75rem) 0;
}

.intro {
  --intro-block-padding: clamp(1.5rem, 4vh, 4rem);
  isolation: isolate;
  min-height: calc(100svh - 4.4rem);
  overflow: clip;
  padding: var(--intro-block-padding) 0;
  position: relative;
}

.intro__image {
  background-image: url("../img/landing-background.webp");
  background-position: center 54%;
  background-size: cover;
  filter: saturate(0.82) contrast(0.94);
  inset: 0;
  opacity: 0.3;
  position: absolute;
  z-index: -1;
}

:root[data-theme="dark"] .intro__image {
  opacity: 0.23;
}

.intro__content {
  align-items: center;
  display: grid;
  gap: clamp(2rem, 4vw, 4rem);
  grid-template-columns: minmax(0, 1.4fr) minmax(235px, 0.5fr);
  min-height: calc(100svh - 4.4rem - var(--intro-block-padding) - var(--intro-block-padding));
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  letter-spacing: -0.025em;
  line-height: 0.98;
  text-wrap: balance;
}

h1 {
  font-size: clamp(3.25rem, 7vw, 5.4rem);
  font-weight: 600;
  margin-bottom: 1.25rem;
  max-width: 10ch;
}
h2 {
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  font-weight: 600;
  margin-bottom: 0;
}
h3 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.intro__lead {
  color: var(--ink);
  font-size: clamp(0.98rem, 1.25vw, 1.08rem);
  line-height: 1.62;
  max-width: var(--reading);
  text-wrap: pretty;
}

.intro__lead p {
  margin: 0;
}

.intro__lead p + p {
  margin-top: 0.78rem;
}

.intro__actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem 1.7rem;
  margin-top: 1.6rem;
}

.button {
  align-items: center;
  display: inline-flex;
  font-size: 0.86rem;
  font-weight: 700;
  gap: 0.55rem;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.55rem 1rem;
  text-decoration: none;
}

.button--solid {
  background: var(--accent);
  color: var(--accent-on);
}
.button--solid:hover {
  background: var(--accent-strong);
  color: var(--accent-on);
}
.text-link {
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}

.intro__aside {
  align-self: center;
  max-width: 270px;
}

.portrait {
  border-bottom: 1px solid var(--ink);
  margin: 0 0 1.5rem;
  padding-bottom: 0.75rem;
}
.portrait img {
  aspect-ratio: 1;
  object-fit: cover;
  width: 100%;
}

.research-areas {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1.15rem;
}
.research-areas h2 {
  font-family: var(--sans);
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}
.research-areas ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.research-areas li {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 0.15rem 0;
}

.contact-links {
  align-items: flex-start;
  display: flex;
  flex-direction: column;
  gap: 0.34rem;
  margin-top: 1.15rem;
}
.contact-links__label {
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin: 0 0 0.05rem;
  text-transform: uppercase;
}
.contact-links a {
  color: var(--muted);
  font-size: 0.82rem;
  text-decoration: none;
  width: fit-content;
}
.contact-links a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.contact-links .icon-link {
  align-items: center;
  display: inline-flex;
  justify-content: center;
  min-height: 2.5rem;
  min-width: 2.5rem;
}

.professional-links {
  align-items: center;
  display: flex;
  gap: 0.25rem;
  margin-top: 0.25rem;
}

.icon-link svg {
  fill: currentColor;
  height: 1.16rem;
  width: 1.16rem;
}

.section--research {
  background: var(--surface);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.section--quiet {
  min-height: 0;
  padding: clamp(3.5rem, 6vw, 5.5rem) 0;
}
.section-heading {
  margin-bottom: clamp(1.8rem, 3.5vw, 3rem);
}

.paper {
  padding: 0 0 clamp(2.5rem, 5vw, 4.5rem);
}

.paper__header {
  margin-bottom: clamp(1.6rem, 3vw, 2.25rem);
  max-width: 60rem;
}
.paper__header h3 {
  color: var(--accent);
}
.wip h3 {
  color: var(--accent);
}

.paper__content {
  align-items: start;
  display: grid;
  gap: clamp(1.8rem, 4vw, 3.8rem);
  grid-template-columns: max(185px, var(--paper-preview-width, 205px)) minmax(0, 1fr);
}

.paper__preview {
  align-self: start;
  background: var(--canvas);
  display: block;
  max-width: none;
  width: 100%;
}
.paper__preview img {
  aspect-ratio: 615 / 792;
  height: auto;
  object-fit: cover;
  transition: transform 180ms var(--ease);
  width: 100%;
}
.paper__preview:hover img {
  transform: translateY(-3px);
}

.paper__meta {
  margin-bottom: 0.85rem;
}
.paper__status {
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}
.paper__authors {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}
.paper__authors a {
  text-decoration-color: color-mix(in oklch, currentColor 42%, transparent);
}

.paper__abstract {
  margin: 0 0 1.1rem;
  padding: 0;
}
.paper__abstract summary {
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 700;
  list-style: none;
  width: fit-content;
}
.paper__abstract summary::after {
  content: "−";
  display: inline-block;
  margin-left: 0.7rem;
}
.paper__abstract:not([open]) summary::after {
  content: "+";
}
.paper__abstract p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.62;
  margin: 0.9rem 0 0;
  max-width: none;
  text-wrap: pretty;
}

.paper__keywords {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.6;
  margin: 1rem 0 0;
  width: 100%;
}
.paper__keywords span {
  color: var(--ink);
  font-weight: 700;
  margin-right: 0.55rem;
}
.paper__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.25rem;
}
.paper__links a {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
}
.paper__links a:hover {
  color: var(--accent-strong);
  text-decoration: underline;
}

.reference-list {
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.reference {
  border-right: 1px solid var(--rule);
  padding: 2rem clamp(1rem, 2.6vw, 2.25rem) 0 0;
}
.reference + .reference {
  padding-left: clamp(1rem, 2.6vw, 2.25rem);
}
.reference:last-child {
  border-right: 0;
}
.reference h3 {
  font-size: 1.6rem;
  margin-bottom: 0.85rem;
}
.reference__position span {
  display: block;
}
.reference p {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.65;
}
.reference__links {
  display: grid;
  gap: 0.3rem;
}
.reference__links a {
  color: var(--accent);
  text-decoration: none;
  width: fit-content;
}
.reference__links a:hover {
  text-decoration: underline;
}

.teaching-list {
  border-top: 1px solid var(--rule);
}
.teaching-entry {
  display: grid;
  gap: clamp(1.25rem, 4vw, 4.5rem);
  grid-template-columns: minmax(8rem, 0.24fr) minmax(0, 1fr);
  padding: clamp(1.8rem, 3vw, 2.7rem) 0;
}
.teaching-entry + .teaching-entry {
  border-top: 1px solid var(--rule);
}
.teaching-entry__period {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  margin: 0;
}
.teaching-entry__detail h3 {
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  margin-bottom: 0.4rem;
}
.teaching-entry__context {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 0.9rem;
}
.teaching-entry ul {
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.teaching-entry li::before {
  color: var(--accent);
  content: "•";
  margin-right: 0.35rem;
}

.site-footer {
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.76rem;
  padding: 1.4rem 0;
}
.site-footer .section-shell {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.site-footer a {
  text-decoration: none;
}
.site-footer a:hover {
  text-decoration: underline;
}

@media (max-width: 760px) {
  :root {
    --page: min(100% - 2rem, 1120px);
  }
  .site-header__inner {
    min-height: 4rem;
  }
  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    gap: 0.3rem;
  }
  .nav-toggle span {
    background: currentColor;
    display: block;
    height: 1px;
    transition: transform 180ms var(--ease);
    width: 1.1rem;
  }
  .site-header[data-nav-open="true"] .nav-toggle span:first-child {
    transform: translateY(0.18rem) rotate(45deg);
  }
  .site-header[data-nav-open="true"] .nav-toggle span:last-child {
    transform: translateY(-0.18rem) rotate(-45deg);
  }
  .site-nav {
    background: var(--surface);
    border-bottom: 1px solid var(--rule);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    left: 0;
    padding: 0.5rem max(1rem, calc((100vw - 1120px) / 2));
    position: absolute;
    right: 0;
    top: 100%;
  }
  .site-header[data-nav-open="true"] .site-nav {
    display: flex;
  }
  .site-nav > a {
    padding: 0.72rem 0;
    width: 100%;
  }
  .site-nav > a[aria-current] {
    text-underline-offset: 0.25em;
  }
  .theme-toggle {
    align-self: flex-start;
    margin: 0.25rem 0 0.5rem -0.6rem;
  }
  .intro {
    min-height: auto;
  }
  .intro__content {
    gap: 3.25rem;
    grid-template-columns: 1fr;
  }
  .intro__aside {
    --profile-square: clamp(214px, 35vw, 224px);
    display: grid;
    gap: 0.75rem 0.5rem;
    grid-template-columns: var(--profile-square) minmax(0, 1fr);
    grid-template-rows: minmax(0, 0.9fr) minmax(0, 1fr);
    height: var(--profile-square);
    max-width: 550px;
  }
  .portrait {
    grid-row: 1 / span 2;
    height: var(--profile-square);
    margin: 0;
    padding: 0;
    border-bottom: 0;
  }
  .research-areas {
    align-self: start;
    grid-column: 2;
    grid-row: 1;
    min-height: 0;
    padding-bottom: 0.55rem;
  }
  .research-areas li {
    font-size: 0.78rem;
    line-height: 1.35;
  }
  .contact-links {
    grid-column: 2;
    grid-row: 2;
    height: 100%;
    margin-top: 0;
    min-height: 0;
    padding-top: 0.35rem;
  }
  .contact-links__label {
    line-height: 1.1;
  }
  .contact-links a {
    line-height: 1.3;
  }
  .contact-links .icon-link {
    min-height: 2rem;
    min-width: 2rem;
  }
  .professional-links {
    margin-top: auto;
  }
  .paper {
    padding-bottom: 0;
  }
  .paper__content {
    grid-template-columns: 1fr;
  }
  .paper__preview {
    max-width: 175px;
  }
  .teaching-entry {
    grid-template-columns: 1fr;
  }
  .reference-list {
    grid-template-columns: 1fr;
  }
  .reference,
  .reference + .reference {
    border-bottom: 1px solid var(--rule);
    border-right: 0;
    padding: 1.65rem 0;
  }
  .reference:last-child {
    border-bottom: 0;
  }
}

@media (min-width: 761px) and (max-height: 840px) {
  .intro {
    --intro-block-padding: 1.5rem;
    min-height: calc(100svh - 4.4rem);
    padding-block: var(--intro-block-padding);
  }
  .intro__content {
    gap: clamp(2rem, 4vw, 4rem);
  }
  h1 {
    font-size: clamp(3rem, 6vw, 4.5rem);
  }
  .intro__lead {
    font-size: 0.96rem;
    line-height: 1.52;
  }
  .intro__lead p + p {
    margin-top: 0.52rem;
  }
  .intro__actions {
    margin-top: 1rem;
  }
  .portrait {
    margin-bottom: 1rem;
  }
  .research-areas {
    padding-bottom: 0.75rem;
  }
  .contact-links {
    margin-top: 0.75rem;
  }
}

@media (max-width: 430px) {
  .intro {
    --intro-block-padding: 1rem;
    padding-block: var(--intro-block-padding);
  }
  .intro__content {
    gap: 1.75rem;
  }
  h1 {
    font-size: 3rem;
    margin-bottom: 0.8rem;
  }
  .intro__lead {
    font-size: 0.88rem;
    line-height: 1.48;
  }
  .intro__lead p + p {
    margin-top: 0.5rem;
  }
  .intro__actions {
    gap: 0.75rem 1.2rem;
    margin-top: 1rem;
  }
  .button {
    min-height: 2.55rem;
  }
  .intro__aside {
    --profile-square: 214px;
  }
  .research-areas {
    padding-bottom: 0.65rem;
  }
  .contact-links {
    gap: 0.18rem;
    grid-column: 2;
    margin-top: 0;
  }
  .contact-links a {
    font-size: 0.74rem;
  }
  .contact-links .icon-link {
    min-height: 2rem;
    min-width: 2rem;
  }
  .site-footer .section-shell {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}