:root {
  --paper: #f4f2eb;
  --paper-deep: #e9e5dc;
  --ink: #14211e;
  --ink-soft: #53625e;
  --green: #1b5e52;
  --green-bright: #b9f36b;
  --green-dark: #103f38;
  --line: rgba(20, 33, 30, 0.16);
  --white: #fffdf8;
  --serif: "Newsreader", Georgia, serif;
  --sans: "Manrope", Arial, sans-serif;
  --mono: "DM Mono", monospace;
  --shadow: 0 24px 80px rgba(19, 43, 36, 0.15);
  --radius: 2px;
  --header-height: 82px;
}

[data-theme="dark"] {
  --paper: #101815;
  --paper-deep: #17211e;
  --ink: #eff5ef;
  --ink-soft: #a8b6b1;
  --green: #c0f27e;
  --green-bright: #c0f27e;
  --green-dark: #0b2d29;
  --line: rgba(235, 244, 239, 0.15);
  --white: #18231f;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  transition: background-color 220ms ease, color 220ms ease;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

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

img,
svg {
  display: block;
}

img {
  max-width: 100%;
}

::selection {
  background: var(--green-bright);
  color: #10251f;
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.section-shell {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.section-pad {
  padding-block: 132px;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid transparent;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, background-color 180ms ease;
}

.site-header.scrolled {
  border-color: var(--line);
}

.nav-shell {
  width: min(1320px, calc(100% - 48px));
  min-height: var(--header-height);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.wordmark-mark {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  background: var(--green);
  color: var(--paper);
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  border-radius: 50%;
}

[data-theme="dark"] .wordmark-mark {
  color: #12251f;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-left: auto;
}

.desktop-nav a,
.footer-links a {
  position: relative;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 600;
}

.desktop-nav a::after,
.footer-links a::after,
.profile-links a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -4px;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 200ms ease;
}

.desktop-nav a:hover::after,
.footer-links a:hover::after,
.profile-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

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

.icon-button {
  width: 42px;
  height: 42px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease;
}

.icon-button:hover {
  border-color: var(--ink);
  background: var(--white);
}

.theme-toggle svg {
  width: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.7;
}

.moon-icon,
[data-theme="dark"] .sun-icon {
  display: none;
}

[data-theme="dark"] .moon-icon {
  display: block;
}

.button {
  min-height: 52px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border: 1px solid var(--green);
  background: var(--green);
  color: var(--paper);
  font-size: 14px;
  font-weight: 700;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

[data-theme="dark"] .button {
  color: #11251f;
}

.button:hover {
  background: transparent;
  color: var(--green);
  transform: translateY(-2px);
}

.button svg,
.contact-email svg {
  width: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.button-small {
  min-height: 42px;
  padding-inline: 17px;
}

.menu-toggle,
.mobile-nav {
  display: none;
}

.hero {
  min-height: calc(100vh - var(--header-height));
  padding-top: 82px;
  padding-bottom: 58px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(350px, 0.65fr);
  grid-template-rows: 1fr auto;
  column-gap: clamp(50px, 8vw, 120px);
  align-items: center;
}

.eyebrow,
.mono-label {
  margin: 0 0 22px;
  color: var(--green);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.hero h1,
.section-title,
.contact h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.052em;
  line-height: 0.95;
}

.hero h1 {
  max-width: 830px;
  font-size: clamp(60px, 7.4vw, 112px);
}

.hero h1 em,
.section-title em,
.contact h2 em {
  color: var(--green);
  font-weight: 500;
}

.hero-intro {
  max-width: 660px;
  margin: 34px 0 0;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.75;
}

.hero-intro strong {
  color: var(--ink);
  font-weight: 600;
}

.hero-actions {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 30px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  padding-bottom: 3px;
  transition: border-color 180ms ease, color 180ms ease;
}

.text-link:hover {
  border-color: var(--green);
  color: var(--green);
}

.hero-visual {
  position: relative;
  padding: 30px 0 40px;
}

.portrait-frame {
  position: relative;
  width: min(100%, 450px);
  margin-left: auto;
  aspect-ratio: 0.83;
  overflow: hidden;
  background: #d9ddd1;
  box-shadow: var(--shadow);
}

.portrait-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(8, 35, 29, 0.25));
  pointer-events: none;
}

.portrait-frame img {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.72) contrast(1.03);
}

.portrait-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(18, 57, 48, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 57, 48, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
}

.status-chip {
  position: absolute;
  z-index: 3;
  right: 20px;
  bottom: 20px;
  padding: 9px 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(250, 249, 243, 0.9);
  color: #14211e;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #48ad5f;
  box-shadow: 0 0 0 4px rgba(72, 173, 95, 0.15);
}

.role-card {
  position: absolute;
  z-index: 4;
  bottom: 0;
  left: -42px;
  min-width: 225px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  background: var(--white);
  box-shadow: 0 18px 60px rgba(14, 37, 31, 0.18);
}

.role-card .mono-label {
  margin-bottom: 8px;
  font-size: 9px;
}

.role-card strong {
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.2;
}

.role-card > span:last-child {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 12px;
}

.hero-stats {
  grid-column: 1 / -1;
  margin-top: 78px;
  padding-top: 28px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}

.hero-stats > div {
  min-height: 96px;
  padding: 6px 28px;
  display: flex;
  align-items: center;
  gap: 18px;
  border-left: 1px solid var(--line);
}

.hero-stats > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-stats strong {
  flex: 0 0 auto;
  font-family: var(--serif);
  font-size: clamp(38px, 4vw, 58px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
}

.hero-stats sup {
  color: var(--green);
  font-family: var(--sans);
  font-size: 16px;
}

.hero-stats span {
  max-width: 125px;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.5;
  text-transform: uppercase;
}

.section-kicker {
  margin-bottom: 62px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.section-kicker span {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--green);
  font-size: 9px;
}

.section-kicker p {
  margin: 0;
}

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

.about-layout,
.research-heading,
.experience-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 0.78fr);
  gap: clamp(60px, 10vw, 150px);
}

.section-title {
  font-size: clamp(51px, 6.6vw, 92px);
}

.about-copy {
  padding-top: 6px;
}

.about-copy p {
  color: var(--ink-soft);
  font-size: 16px;
}

.about-copy .lead {
  margin-top: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(25px, 2.3vw, 34px);
  line-height: 1.26;
}

.profile-links {
  margin-top: 40px;
  padding-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 32px;
  border-top: 1px solid var(--line);
}

.profile-links a {
  position: relative;
  display: flex;
  justify-content: space-between;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.research {
  position: relative;
  overflow: hidden;
  background: var(--green-dark);
  color: #eef5ef;
}

.research::before {
  content: "";
  position: absolute;
  top: -280px;
  right: -170px;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  box-shadow:
    0 0 0 80px rgba(255, 255, 255, 0.015),
    0 0 0 160px rgba(255, 255, 255, 0.01);
}

.section-kicker.light {
  color: rgba(255, 255, 255, 0.62);
}

.section-kicker.light span {
  border-color: rgba(255, 255, 255, 0.24);
  color: var(--green-bright);
}

.research .section-title em {
  color: var(--green-bright);
}

.research-heading {
  align-items: end;
}

.research-heading > p {
  max-width: 480px;
  margin: 0 0 8px;
  color: rgba(238, 245, 239, 0.68);
  font-size: 16px;
}

.research-grid {
  margin-top: 82px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.17);
  border-bottom: 1px solid rgba(255, 255, 255, 0.17);
}

.research-card {
  position: relative;
  min-height: 470px;
  padding: 42px 38px;
  border-left: 1px solid rgba(255, 255, 255, 0.17);
  transition: background-color 240ms ease, transform 240ms ease;
}

.research-card:first-child {
  border-left: 0;
}

.research-card:hover {
  background: rgba(255, 255, 255, 0.055);
  transform: translateY(-5px);
}

.card-number {
  position: absolute;
  top: 28px;
  right: 30px;
  color: rgba(255, 255, 255, 0.36);
  font-family: var(--mono);
  font-size: 10px;
}

.research-icon {
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
}

.research-icon svg {
  width: 38px;
  fill: none;
  stroke: var(--green-bright);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.2;
}

.research-card h3 {
  max-width: 280px;
  margin: 42px 0 15px;
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 500;
  line-height: 1.1;
}

.research-card p {
  color: rgba(238, 245, 239, 0.65);
  font-size: 14px;
}

.research-card ul {
  margin: 28px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  list-style: none;
}

.research-card li {
  padding-block: 5px;
  color: rgba(238, 245, 239, 0.7);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.research-card li::before {
  content: "—";
  margin-right: 9px;
  color: var(--green-bright);
}

.experience-layout {
  align-items: start;
}

.experience-intro {
  position: sticky;
  top: calc(var(--header-height) + 50px);
}

.experience-intro > p {
  max-width: 410px;
  margin-top: 38px;
  color: var(--ink-soft);
}

.timeline {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.timeline-item {
  position: relative;
  min-height: 132px;
  padding: 30px 50px 30px 0;
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  align-items: start;
  border-bottom: 1px solid var(--line);
}

.timeline-date,
.timeline-index {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.timeline-date {
  padding-top: 8px;
  color: var(--green);
}

.timeline-item h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 500;
  line-height: 1.2;
}

.timeline-item p {
  margin: 7px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.timeline-index {
  position: absolute;
  top: 39px;
  right: 0;
  color: color-mix(in srgb, var(--ink-soft) 55%, transparent);
}

.education-panel {
  margin-top: 140px;
  padding: 68px;
  display: grid;
  grid-template-columns: minmax(260px, 0.65fr) minmax(460px, 1fr);
  gap: 80px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.education-panel h2 {
  margin: 10px 0 0;
  font-family: var(--serif);
  font-size: clamp(38px, 4vw, 55px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
}

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

.degrees article {
  position: relative;
  padding: 24px 80px 24px 0;
  border-bottom: 1px solid var(--line);
}

.degrees article > span {
  position: absolute;
  top: 30px;
  right: 0;
  color: var(--green);
  font-family: var(--mono);
  font-size: 10px;
}

.degrees h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 500;
}

.degrees p,
.degrees small {
  display: block;
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.degrees small {
  font-style: italic;
}

.publications {
  background: var(--paper-deep);
}

.publications-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
}

.publication-list {
  margin-top: 75px;
  border-top: 1px solid var(--line);
}

.publication {
  position: relative;
  min-height: 190px;
  padding: 36px 76px 36px 0;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 25px;
  align-items: start;
  border-bottom: 1px solid var(--line);
  transition: padding-left 220ms ease, background-color 220ms ease;
}

.publication:hover {
  padding-left: 22px;
  background: color-mix(in srgb, var(--white) 45%, transparent);
}

.publication-year {
  padding-top: 5px;
  color: var(--green);
  font-family: var(--mono);
  font-size: 11px;
}

.publication-type {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.publication h3 {
  max-width: 810px;
  margin: 10px 0 9px;
  font-family: var(--serif);
  font-size: clamp(24px, 2.5vw, 35px);
  font-weight: 500;
  line-height: 1.15;
}

.publication p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.publication-link {
  position: absolute;
  top: 42px;
  right: 5px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 17px;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.publication-link:hover {
  border-color: var(--green);
  background: var(--green);
  color: var(--paper);
}

.contact {
  position: relative;
  overflow: hidden;
  background: var(--green);
  color: var(--paper);
}

[data-theme="dark"] .contact {
  color: #10251f;
}

.contact::after {
  content: "";
  position: absolute;
  right: -15vw;
  bottom: -44vw;
  width: 72vw;
  height: 72vw;
  border: 1px solid color-mix(in srgb, var(--paper) 20%, transparent);
  border-radius: 50%;
  box-shadow:
    0 0 0 7vw color-mix(in srgb, var(--paper) 3%, transparent),
    0 0 0 14vw color-mix(in srgb, var(--paper) 2%, transparent);
}

.contact-inner {
  position: relative;
  z-index: 1;
}

.contact .eyebrow {
  color: color-mix(in srgb, var(--paper) 72%, transparent);
}

[data-theme="dark"] .contact .eyebrow {
  color: rgba(16, 37, 31, 0.72);
}

.contact h2 {
  max-width: 970px;
  font-size: clamp(64px, 9vw, 130px);
}

.contact h2 em {
  color: var(--green-bright);
}

[data-theme="dark"] .contact h2 em {
  color: #0e4037;
}

.contact-inner > p:not(.eyebrow) {
  max-width: 590px;
  margin: 42px 0 50px;
  color: color-mix(in srgb, var(--paper) 70%, transparent);
  font-size: 17px;
}

[data-theme="dark"] .contact-inner > p:not(.eyebrow) {
  color: rgba(16, 37, 31, 0.72);
}

.contact-email {
  max-width: 720px;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid color-mix(in srgb, var(--paper) 45%, transparent);
  font-family: var(--serif);
  font-size: clamp(23px, 3.8vw, 48px);
  line-height: 1.1;
}

.contact-email svg {
  width: 34px;
  flex: 0 0 auto;
  transition: transform 180ms ease;
}

.contact-email:hover svg {
  transform: translateX(8px);
}

.site-footer {
  padding-block: 54px;
  background: var(--paper);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 42px;
  align-items: center;
}

.footer-inner > div:first-child > p {
  margin: 9px 0 0 50px;
  color: var(--ink-soft);
  font-size: 11px;
}

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

.copyright {
  grid-column: 1 / -1;
  margin: 12px 0 0;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 700ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

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

@media (max-width: 1050px) {
  .desktop-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr 340px;
    column-gap: 50px;
  }

  .hero h1 {
    font-size: clamp(58px, 8vw, 84px);
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-stats > div:nth-child(3) {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .hero-stats > div:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .about-layout,
  .research-heading,
  .experience-layout {
    gap: 60px;
  }

  .research-card {
    padding-inline: 26px;
  }

  .education-panel {
    padding: 52px;
    gap: 50px;
  }
}

@media (max-width: 800px) {
  :root {
    --header-height: 72px;
  }

  .section-shell,
  .nav-shell {
    width: min(100% - 32px, 680px);
  }

  .section-pad {
    padding-block: 92px;
  }

  .wordmark-name,
  .desktop-contact {
    display: none;
  }

  .menu-toggle {
    display: grid;
    gap: 5px;
    align-content: center;
  }

  .menu-toggle span {
    width: 18px;
    height: 1px;
    display: block;
    background: currentColor;
    transition: transform 180ms ease;
  }

  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3px) rotate(-45deg);
  }

  .mobile-nav {
    height: calc(100vh - var(--header-height));
    padding: 50px 24px;
    background: var(--paper);
  }

  .mobile-nav:not([hidden]) {
    display: flex;
    flex-direction: column;
  }

  .mobile-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-family: var(--serif);
    font-size: 32px;
  }

  .hero {
    padding-top: 58px;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .hero-copy {
    position: relative;
    z-index: 2;
  }

  .hero h1 {
    font-size: clamp(54px, 15vw, 86px);
  }

  .hero-visual {
    width: min(100%, 520px);
    margin: 60px auto 0;
  }

  .portrait-frame {
    margin-inline: auto;
  }

  .role-card {
    left: -10px;
  }

  .hero-stats {
    margin-top: 80px;
  }

  .about-layout,
  .research-heading,
  .experience-layout {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: clamp(51px, 12vw, 74px);
  }

  .research-heading > p {
    margin-top: 0;
  }

  .research-grid {
    grid-template-columns: 1fr;
  }

  .research-card {
    min-height: 0;
    padding: 40px 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.17);
    border-left: 0;
  }

  .research-card:first-child {
    border-top: 0;
  }

  .research-card h3 {
    margin-top: 30px;
  }

  .experience-intro {
    position: static;
  }

  .timeline {
    margin-top: 10px;
  }

  .education-panel {
    grid-template-columns: 1fr;
    margin-top: 100px;
    padding: 45px 32px;
  }

  .publications-heading {
    align-items: start;
    flex-direction: column;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .section-shell,
  .nav-shell {
    width: calc(100% - 28px);
  }

  .hero {
    padding-top: 42px;
  }

  .hero h1 {
    font-size: clamp(48px, 14.6vw, 70px);
    line-height: 0.98;
  }

  .hero-intro {
    font-size: 16px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .text-link {
    align-self: flex-start;
  }

  .portrait-frame {
    aspect-ratio: 0.88;
  }

  .role-card {
    right: 10px;
    bottom: -20px;
    left: 10px;
    min-width: 0;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }

  .hero-stats > div {
    min-height: 135px;
    padding: 16px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }

  .hero-stats > div:nth-child(2) {
    padding-right: 0;
  }

  .hero-stats strong {
    font-size: 44px;
  }

  .section-kicker {
    margin-bottom: 42px;
  }

  .section-title {
    font-size: clamp(46px, 13.8vw, 64px);
  }

  .profile-links {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .timeline-date {
    padding-top: 0;
  }

  .timeline-index {
    top: 34px;
  }

  .education-panel {
    padding-inline: 24px;
  }

  .degrees article {
    padding-right: 0;
    padding-top: 50px;
  }

  .degrees article > span {
    top: 20px;
    right: auto;
    left: 0;
  }

  .publication {
    padding: 28px 54px 28px 0;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .publication-link {
    top: 28px;
    right: 0;
  }

  .publication:hover {
    padding-left: 0;
  }

  .contact h2 {
    font-size: clamp(52px, 15.5vw, 72px);
  }

  .contact-email {
    overflow-wrap: anywhere;
    font-size: 23px;
  }

  .footer-links {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }
}

@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 {
    opacity: 1;
    transform: none;
  }
}

/* Publications library */
.subpage-header {
  position: relative;
  padding: 110px 0 84px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.subpage-header::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -340px;
  width: 580px;
  height: 580px;
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow: 0 0 0 70px color-mix(in srgb, var(--ink) 2%, transparent);
}

.subpage-header h1 {
  max-width: 980px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(64px, 9vw, 126px);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.92;
}

.subpage-header h1 em {
  color: var(--green);
  font-weight: inherit;
}

.subpage-intro {
  max-width: 620px;
  margin: 36px 0 0;
  color: var(--ink-soft);
  font-size: 18px;
}

.library-toolbar {
  padding: 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.library-count {
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.library-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-button {
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.filter-button:hover,
.filter-button.active {
  border-color: var(--green);
  background: var(--green);
  color: var(--paper);
}

[data-theme="dark"] .filter-button:hover,
[data-theme="dark"] .filter-button.active {
  color: #10251f;
}

.library-list {
  padding-bottom: 120px;
}

.library-item {
  min-height: 280px;
  padding: 42px 0;
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr) 210px;
  gap: 35px;
  border-bottom: 1px solid var(--line);
}

.library-item[hidden] {
  display: none;
}

.library-year {
  color: var(--green);
  font-family: var(--mono);
  font-size: 11px;
}

.library-type {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.library-item h2 {
  max-width: 800px;
  margin: 11px 0;
  font-family: var(--serif);
  font-size: clamp(27px, 3vw, 40px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.12;
}

.library-authors,
.library-venue {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.library-venue {
  margin-top: 5px;
  font-style: italic;
}

.library-summary {
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.library-actions {
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 9px;
}

.action-link {
  padding: 9px 12px;
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease;
}

.action-link:hover,
.action-link.primary {
  border-color: var(--green);
  background: var(--green);
  color: var(--paper);
}

[data-theme="dark"] .action-link:hover,
[data-theme="dark"] .action-link.primary {
  color: #10251f;
}

.citation-box {
  position: relative;
  padding: 25px;
  overflow-x: auto;
  background: var(--white);
  border: 1px solid var(--line);
}

.citation-box pre {
  margin: 0;
  white-space: pre-wrap;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.75;
}

.copy-citation {
  margin-top: 15px;
}

.paper-details {
  margin-top: 25px;
  border-top: 1px solid var(--line);
}

.paper-details summary {
  padding: 14px 0;
  color: var(--green);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.paper-details summary::marker {
  color: var(--green);
}

.paper-details-content {
  padding: 12px 0 5px;
}

.paper-details-content h3 {
  margin: 26px 0 10px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.paper-details-content h3:first-child {
  margin-top: 0;
}

.paper-abstract {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

@media (max-width: 800px) {
  .subpage-header {
    padding-top: 65px;
  }

  .library-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .library-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .library-actions {
    margin-top: 20px;
    align-items: flex-start;
    justify-content: flex-start;
  }

}

@media (max-width: 520px) {
  .subpage-header h1 {
    font-size: clamp(45px, 14vw, 66px);
  }
}