:root {
  --background: #fbfcfe;
  --surface: #ffffff;
  --surface-soft: #f3f6fb;
  --foreground: #17202d;
  --muted: #5f6b7b;
  --faint: #8b96a5;
  --line: #dfe5ee;
  --line-strong: #c8d1df;
  --blue: #145dcc;
  --blue-bright: #2477ea;
  --blue-soft: #eaf2ff;
  --navy: #0d2341;
  --navy-soft: #112b4c;
  --accent: #f3b835;
  --shadow: 0 22px 70px rgba(16, 36, 65, 0.1);
  --header-background: rgba(251, 252, 254, 0.91);
}

:root[data-theme="dark"] {
  --background: #0d1521;
  --surface: #111d2c;
  --surface-soft: #162437;
  --foreground: #edf4ff;
  --muted: #b0bdcd;
  --faint: #8493a7;
  --line: #2a3a4f;
  --line-strong: #3a4d65;
  --blue: #69a8ff;
  --blue-bright: #82b7ff;
  --blue-soft: #193457;
  --navy: #09111c;
  --navy-soft: #10243f;
  --accent: #f5c34d;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.3);
  --header-background: rgba(13, 21, 33, 0.9);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  transition: background-color 180ms ease, color 180ms ease;
}

h1,
h2,
h3,
h4,
h5,
h6,
.brand {
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

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

button,
summary {
  font: inherit;
}

::selection {
  background: var(--blue);
  color: #ffffff;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -60px;
  z-index: 1000;
  border-radius: 10px;
  background: var(--navy);
  color: white;
  padding: 10px 16px;
  transition: top 150ms ease;
}

.skip-link:focus {
  top: 12px;
}

.section-shell {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  background: var(--header-background);
  backdrop-filter: blur(18px);
}

.nav-shell {
  width: min(1280px, calc(100% - 48px));
  min-height: 74px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 30px;
}

.brand {
  position: relative;
  margin-right: auto;
  border: 1px solid #afc0d5;
  border-bottom-color: #7f99b8;
  border-radius: 12px;
  background: linear-gradient(180deg, #ffffff 0%, #edf4fc 100%);
  box-shadow:
    0 4px 0 #8ea6c1,
    0 10px 20px rgba(13, 51, 94, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);
  color: #0b3b73;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.27rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.015em;
  padding: 9px 16px 10px;
  text-shadow: 0 1px 0 #ffffff;
  transition: box-shadow 160ms ease, color 160ms ease, transform 160ms ease;
}

.brand:hover,
.brand:focus-visible {
  color: #145dcc;
  box-shadow:
    0 6px 0 #7895b7,
    0 13px 24px rgba(13, 51, 94, 0.18),
    inset 0 1px 0 #ffffff;
  transform: translateY(-2px);
}

.brand:active {
  box-shadow:
    0 2px 0 #7895b7,
    0 6px 12px rgba(13, 51, 94, 0.14),
    inset 0 1px 0 #ffffff;
  transform: translateY(2px);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.desktop-nav a {
  position: relative;
  color: var(--muted);
  font-size: 0.89rem;
  font-weight: 560;
  transition: color 150ms ease;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--blue);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

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

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after {
  transform: scaleX(1);
}

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

.header-scholar {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 13px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  transition: border-color 150ms ease, color 150ms ease, transform 150ms ease;
}

.header-scholar:hover,
.header-scholar:focus-visible {
  border-color: var(--blue);
  color: var(--blue);
  transform: translateY(-1px);
}

.theme-toggle {
  width: auto;
  min-width: 54px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--foreground);
  cursor: pointer;
  padding: 0 11px;
  font-size: 0.68rem;
  font-weight: 700;
  transition: border-color 150ms ease, transform 150ms ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: var(--blue);
  transform: translateY(-1px);
}

.mobile-nav {
  display: none;
  position: relative;
}

.mobile-nav summary {
  list-style: none;
  cursor: pointer;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.mobile-nav summary::-webkit-details-marker {
  display: none;
}

.mobile-nav nav {
  position: absolute;
  top: 40px;
  right: 0;
  width: 220px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.mobile-nav nav a {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.mobile-nav nav a:last-child {
  border-bottom: 0;
}

.hero {
  min-height: calc(100vh - 74px);
  display: grid;
  grid-template-columns: minmax(255px, 0.78fr) minmax(0, 2fr);
  gap: clamp(56px, 7vw, 100px);
  align-items: start;
  padding-top: clamp(74px, 9vw, 118px);
  padding-bottom: 110px;
}

.profile-column {
  position: sticky;
  top: 115px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.portrait {
  position: relative;
  width: min(280px, 78vw);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 8px solid var(--surface);
  border-radius: 50%;
  background:
    radial-gradient(circle at 68% 25%, rgba(255, 255, 255, 0.34) 0 5%, transparent 6%),
    linear-gradient(145deg, #0c2f5c 0%, #176bc2 50%, #58a6ed 100%);
  box-shadow: 0 24px 60px rgba(20, 93, 204, 0.2);
  color: white;
}

.portrait::before,
.portrait::after {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.09);
  content: "";
}

.portrait::before {
  width: 165px;
  height: 165px;
  right: -46px;
  bottom: -25px;
}

.portrait::after {
  width: 100px;
  height: 100px;
  top: -26px;
  left: -16px;
}

.portrait > span {
  position: relative;
  z-index: 2;
  font-size: clamp(4rem, 8vw, 6.5rem);
  font-weight: 240;
  letter-spacing: -0.08em;
  transform: translateX(-3px);
}

.portrait-photo-shell {
  position: relative;
  z-index: 2;
  width: 90%;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 50%;
  background: linear-gradient(
    90deg,
    #a2a0a1 0 28%,
    #aaa8a9 50%,
    #b2b0b2 72% 100%
  );
}

.portrait-photo {
  position: absolute;
  top: 50%;
  left: 50%;
  width: auto;
  max-width: none;
  height: 128%;
  display: block;
  transform: translate(-50%, -50%);
}

.portrait-orbit {
  position: absolute;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 50%;
}

.orbit-one {
  width: 190px;
  height: 70px;
  transform: rotate(-28deg);
}

.orbit-two {
  width: 205px;
  height: 90px;
  transform: rotate(42deg);
}

.profile-copy {
  margin-top: 30px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.profile-copy h1 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 2.35rem);
  font-weight: 550;
  line-height: 1.12;
  letter-spacing: -0.045em;
  white-space: nowrap;
}

.profile-title {
  max-width: 330px;
  margin: 12px auto 7px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.55;
}

.institution-link {
  display: inline-block;
  color: var(--blue);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.55;
  white-space: pre-line;
  text-align: left;
}

.institution-link:hover,
.institution-link:focus-visible {
  color: var(--blue-bright);
}

.social-row {
  display: flex;
  justify-content: center;
  gap: 11px;
  margin-top: 27px;
}

.social-row a {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--blue);
  transition: color 150ms ease, transform 150ms ease;
}

.social-row a svg {
  width: 26px;
  height: 26px;
}

.social-glyph {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 0.58rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}

.social-row a:hover,
.social-row a:focus-visible {
  color: var(--blue-bright);
  transform: translateY(-2px) scale(1.08);
}

.email-button,
.contact-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 24px;
  border-radius: 12px;
  background: var(--navy);
  color: white;
  padding: 12px 17px;
  font-size: 0.88rem;
  font-weight: 650;
  transition: transform 150ms ease, background-color 150ms ease;
}

.email-button:hover,
.email-button:focus-visible,
.contact-button:hover,
.contact-button:focus-visible {
  background: var(--blue);
  transform: translateY(-2px);
}

.biography-column {
  padding-top: 3px;
}

.biography-column > h2,
.section-heading-row h2,
.experience-intro h2,
.teaching-card h2,
.beyond-heading h2,
.contact-layout h2 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 4.55rem);
  font-weight: 340;
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.bio-copy {
  margin-top: 28px;
}

.bio-copy p {
  margin: 0 0 17px;
  color: var(--muted);
  font-size: clamp(1.03rem, 1.45vw, 1.16rem);
  line-height: 1.78;
}

.bio-copy p:first-child {
  color: var(--foreground);
  font-size: clamp(1.08rem, 1.65vw, 1.25rem);
}

.profile-facts {
  display: grid;
  grid-template-columns: 0.88fr 1.45fr;
  gap: 55px;
  margin-top: 50px;
  padding-top: 35px;
  border-top: 1px solid var(--line);
}

.fact-block h3 {
  margin: 0 0 16px;
  font-size: 1.08rem;
  font-weight: 760;
}

.fact-block ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.fact-block li {
  position: relative;
  margin: 8px 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.94rem;
}

.fact-block li::before {
  position: absolute;
  top: 0.64em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue);
  content: "";
}

.education-list article {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 12px;
  margin-bottom: 17px;
}

.education-list article:last-child {
  margin-bottom: 0;
}

.degree-mark {
  color: var(--blue);
  transform: translateY(3px);
}

.degree-mark svg {
  width: 20px;
  height: 20px;
}

.education-list h4 {
  margin: 0;
  font-size: 0.94rem;
  font-weight: 650;
  line-height: 1.45;
}

.education-list p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.research-section {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  color: #ffffff;
  padding: 110px 0 120px;
}

.research-section::after {
  position: absolute;
  width: 580px;
  height: 580px;
  right: -240px;
  bottom: -310px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  box-shadow: 0 0 0 85px rgba(255, 255, 255, 0.02), 0 0 0 170px rgba(255, 255, 255, 0.015);
  content: "";
}

.section-heading-row {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 70px;
  align-items: end;
}

.research-section .section-kicker {
  color: #72adff;
}

.research-section .section-heading-row h2 {
  max-width: 720px;
  font-size: clamp(2.5rem, 5vw, 4.3rem);
}

.section-heading-row > p {
  margin: 0 0 5px;
  color: #bac8da;
  font-size: 1rem;
  line-height: 1.76;
}

.research-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 64px;
}

.research-card {
  min-height: 350px;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
  padding: 30px;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.research-card:hover {
  border-color: rgba(114, 173, 255, 0.65);
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-5px);
}

.card-number {
  color: #72adff;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
}

.research-card h3 {
  margin: 42px 0 16px;
  font-size: 1.42rem;
  line-height: 1.3;
  letter-spacing: -0.025em;
}

.research-card > p {
  margin: 0;
  color: #bac8da;
  font-size: 0.91rem;
  line-height: 1.76;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: auto;
  padding-top: 28px;
}

.tag-row span {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 5px 9px;
  color: #d9e4f2;
  font-size: 0.68rem;
}

.publications-section {
  padding-top: 112px;
  padding-bottom: 125px;
}

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

.publication-heading h2 {
  font-size: clamp(2.6rem, 5vw, 4.2rem);
}

.text-link {
  justify-self: end;
  display: inline-flex;
  gap: 6px;
  align-items: center;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 5px;
  color: var(--blue);
  font-size: 0.9rem;
  font-weight: 650;
}

.publication-list {
  width: min(1020px, 100%);
  display: grid;
  gap: 17px;
  margin: 55px auto 0;
}

.publication-item {
  position: relative;
  display: grid;
  grid-template-columns: 126px minmax(0, 1fr) 30px;
  gap: 24px;
  align-items: start;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  padding: 25px 27px;
  box-shadow:
    0 5px 0 color-mix(in srgb, var(--line-strong) 82%, transparent),
    0 14px 28px rgba(16, 36, 65, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transition: border-color 170ms ease, box-shadow 170ms ease, transform 170ms ease;
}

.publication-item::before {
  position: absolute;
  top: 0;
  right: 18px;
  left: 18px;
  height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--blue) 24%, white), transparent);
  content: "";
}

.publication-item:hover,
.publication-item:focus-visible {
  border-color: color-mix(in srgb, var(--blue) 34%, var(--line));
  box-shadow:
    0 7px 0 color-mix(in srgb, var(--blue) 20%, var(--line-strong)),
    0 20px 34px rgba(16, 36, 65, 0.13),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);
  transform: translateY(-3px);
}

.publication-meta {
  display: flex;
  flex-direction: column;
  color: var(--faint);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.7rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.publication-meta span:first-child {
  color: var(--blue);
  font-weight: 700;
}

.publication-body h3 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(1.02rem, 1.9vw, 1.24rem);
  font-weight: 610;
  line-height: 1.48;
  letter-spacing: -0.018em;
}

.publication-body p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.83rem;
}

.publication-body .venue {
  margin-top: 2px;
  color: var(--faint);
  font-style: italic;
}

.publication-arrow {
  color: var(--blue);
  font-size: 1.2rem;
  transition: transform 150ms ease;
}

.publication-item:hover .publication-arrow,
.publication-item:focus-visible .publication-arrow {
  transform: translate(3px, -3px);
}

.dissertation-card {
  position: relative;
  width: min(1020px, 100%);
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  overflow: hidden;
  margin: 38px auto 0;
  border: 1px solid color-mix(in srgb, var(--blue) 24%, var(--line));
  border-radius: 18px;
  background: var(--surface);
  padding: clamp(27px, 4vw, 38px);
  box-shadow:
    0 6px 0 color-mix(in srgb, var(--blue) 17%, var(--line-strong)),
    0 16px 30px rgba(16, 36, 65, 0.09),
    inset 0 1px 0 rgba(255, 255, 255, 0.92);
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.dissertation-card::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--blue-bright), var(--navy));
  content: "";
}

.dissertation-card:hover,
.dissertation-card:focus-visible {
  border-color: color-mix(in srgb, var(--blue) 48%, var(--line));
  box-shadow:
    0 8px 0 color-mix(in srgb, var(--blue) 28%, var(--line-strong)),
    0 23px 38px rgba(16, 36, 65, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.96);
  transform: translateY(-3px);
}

.dissertation-card .label {
  color: var(--blue);
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.dissertation-card h3 {
  max-width: 760px;
  margin: 14px 0 6px;
  font-size: clamp(1.28rem, 2.5vw, 1.8rem);
  font-weight: 580;
  line-height: 1.35;
  letter-spacing: -0.03em;
}

.dissertation-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.dissertation-action {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue);
  font-size: 0.86rem;
  font-weight: 700;
}

.experience-section {
  background: var(--surface-soft);
  padding: 115px 0;
}

.experience-layout {
  display: grid;
  grid-template-columns: minmax(300px, 390px) minmax(0, 570px);
  justify-content: space-between;
  gap: 64px;
  align-items: start;
}

.experience-intro {
  position: sticky;
  top: 118px;
}

.experience-intro h2 {
  font-size: clamp(2.45rem, 4.5vw, 3.9rem);
}

.experience-intro > p:not(.section-kicker) {
  margin: 27px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.78;
}

.experience-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.experience-filters button {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 7px 12px;
  font-size: 0.72rem;
  font-weight: 680;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease, transform 150ms ease;
}

.experience-filters button:hover,
.experience-filters button:focus-visible {
  border-color: var(--blue);
  color: var(--blue);
  transform: translateY(-1px);
}

.experience-filters button.is-active {
  border-color: var(--blue);
  background: var(--blue);
  color: #ffffff;
}

.timeline {
  width: 100%;
  max-width: 570px;
  display: grid;
  justify-self: end;
  gap: 11px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: 17px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  padding: 17px 18px;
  box-shadow: 0 5px 18px rgba(16, 36, 65, 0.035);
  animation: timeline-in 240ms ease both;
  transition: border-color 170ms ease, box-shadow 170ms ease, transform 170ms ease;
}

.timeline-item:hover {
  border-color: color-mix(in srgb, var(--blue) 48%, var(--line));
  box-shadow: 0 18px 46px rgba(16, 36, 65, 0.1);
  transform: translateY(-3px);
}

.timeline-logo-link {
  width: 66px;
  height: 58px;
  display: grid;
  place-items: center;
  border: 0;
  background: transparent;
  padding: 2px;
  transition: transform 160ms ease;
}

.timeline-logo-link:hover,
.timeline-logo-link:focus-visible {
  transform: scale(1.06);
}

.timeline-logo {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.timeline-content {
  min-width: 0;
}

.timeline-period {
  margin: 0 0 5px;
  color: var(--blue);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.64rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.timeline-content h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.012em;
}

.timeline-organization {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 3px;
  color: var(--foreground);
  font-size: 0.87rem;
  font-weight: 600;
  line-height: 1.35;
}

.timeline-organization:hover,
.timeline-organization:focus-visible {
  color: var(--blue);
}

.timeline-department {
  margin: 2px 0 0;
  color: var(--faint);
  font-size: 0.78rem;
  line-height: 1.4;
}

@keyframes timeline-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.teaching-section {
  padding-top: 115px;
  padding-bottom: 115px;
}

.teaching-card {
  position: relative;
  display: grid;
  grid-template-columns: 0.52fr 1.48fr;
  gap: 70px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  padding: clamp(38px, 7vw, 80px);
  box-shadow: var(--shadow);
}

.teaching-number {
  align-self: start;
  color: var(--blue-soft);
  font-size: clamp(8rem, 20vw, 15rem);
  font-weight: 800;
  line-height: 0.72;
  letter-spacing: -0.12em;
  transform: translateX(-8px);
}

.teaching-card h2 {
  font-size: clamp(2.3rem, 4.2vw, 3.65rem);
}

.teaching-card > div:last-child > p:not(.section-kicker) {
  margin: 25px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.8;
}

.teaching-card .teaching-note {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  color: var(--faint) !important;
  font-size: 0.81rem !important;
}

.teaching-history {
  display: grid;
  gap: 0;
  margin-top: 34px;
  border-top: 1px solid var(--line);
}

.teaching-history-item {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 20px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.teaching-history-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.teaching-history-item .teaching-period {
  margin: 2px 0 0 !important;
  color: var(--blue) !important;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.7rem !important;
  font-weight: 700;
  line-height: 1.45 !important;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.teaching-history-item h3 {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 680;
  line-height: 1.4;
}

.teaching-history-item > div > p {
  margin: 3px 0 0 !important;
  color: var(--muted) !important;
  font-size: 0.84rem !important;
  line-height: 1.55 !important;
}

.beyond-section {
  position: relative;
  overflow: hidden;
  padding: 118px 0 126px;
  background:
    radial-gradient(circle at 8% 12%, color-mix(in srgb, var(--blue) 10%, transparent) 0, transparent 28%),
    radial-gradient(circle at 94% 88%, color-mix(in srgb, var(--accent) 15%, transparent) 0, transparent 30%),
    linear-gradient(145deg, var(--surface) 0%, color-mix(in srgb, var(--blue-soft) 48%, var(--surface)) 52%, var(--surface) 100%);
}

.beyond-section::before {
  position: absolute;
  top: 70px;
  right: -150px;
  width: 390px;
  height: 390px;
  border: 1px solid color-mix(in srgb, var(--blue) 16%, transparent);
  border-radius: 50%;
  box-shadow:
    0 0 0 52px color-mix(in srgb, var(--blue) 3%, transparent),
    0 0 0 104px color-mix(in srgb, var(--blue) 2%, transparent);
  content: "";
  pointer-events: none;
}

.beyond-section .section-shell {
  position: relative;
  z-index: 1;
}

.beyond-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(44px, 7vw, 92px);
  align-items: end;
}

.beyond-heading h2 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2.6rem, 5vw, 4.55rem);
}

.beyond-intro p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.beyond-intro span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.beyond-intro span::before {
  width: 34px;
  height: 1px;
  background: var(--blue);
  content: "";
}

.hobby-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 58px;
}

.hobby-card {
  min-height: 168px;
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  border: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  padding: 24px;
  box-shadow: 0 15px 42px rgba(16, 36, 65, 0.055);
  backdrop-filter: blur(14px);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.hobby-card:hover {
  border-color: color-mix(in srgb, var(--blue) 42%, var(--line));
  box-shadow: 0 22px 54px rgba(16, 36, 65, 0.1);
  transform: translateY(-4px);
}

.hobby-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: var(--blue);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--blue) 28%, transparent);
  color: #ffffff;
}

.hobby-icon svg {
  width: 20px;
  height: 20px;
}

.hobby-card h3 {
  margin: 2px 0 8px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.hobby-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.65;
}

.gallery-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr);
  gap: 50px;
  align-items: end;
  margin-top: 96px;
  border-top: 1px solid var(--line);
  padding-top: 42px;
}

.gallery-heading h3 {
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  font-weight: 390;
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.gallery-heading > p {
  margin: 0 0 3px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.photo-mosaic {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-rows: repeat(17, 62px);
  gap: 12px;
  margin-top: 40px;
}

.photo-card {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border: 0;
  border-radius: 20px;
  background: #0a1423;
  box-shadow: 0 16px 46px rgba(13, 35, 65, 0.13);
  color: #ffffff;
  cursor: zoom-in;
  isolation: isolate;
  padding: 0;
  text-align: left;
}

.photo-card-1 {
  grid-column: 1 / 8;
  grid-row: 1 / 5;
}

.photo-card-2 {
  grid-column: 8 / 13;
  grid-row: 1 / 4;
}

.photo-card-3 {
  grid-column: 8 / 13;
  grid-row: 4 / 10;
}

.photo-card-4 {
  grid-column: 1 / 5;
  grid-row: 5 / 10;
}

.photo-card-5 {
  grid-column: 5 / 8;
  grid-row: 5 / 10;
}

.photo-card-6 {
  grid-column: 1 / 8;
  grid-row: 10 / 14;
}

.photo-card-7 {
  grid-column: 8 / 13;
  grid-row: 10 / 14;
}

.photo-card-8 {
  grid-column: 1 / 6;
  grid-row: 14 / 18;
}

.photo-card-9 {
  grid-column: 6 / 13;
  grid-row: 14 / 18;
}

.photo-card img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  filter: saturate(0.98) contrast(1.02);
  transition: filter 450ms ease, transform 650ms cubic-bezier(0.2, 0.72, 0.2, 1);
}

.photo-card-3 img,
.photo-card-5 img {
  object-position: center;
}

.photo-card::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(4, 11, 22, 0.02) 42%, rgba(4, 11, 22, 0.76) 100%);
  content: "";
  pointer-events: none;
  transition: background 260ms ease;
}

.photo-card:hover img,
.photo-card:focus-visible img {
  filter: saturate(1.08) contrast(1.04);
  transform: scale(1.045);
}

.photo-card:hover::after,
.photo-card:focus-visible::after {
  background: linear-gradient(180deg, rgba(4, 11, 22, 0.02) 32%, rgba(4, 11, 22, 0.82) 100%);
}

.photo-overlay {
  position: absolute;
  right: 20px;
  bottom: 19px;
  left: 20px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.5);
  transition: transform 220ms ease;
}

.photo-overlay > span {
  margin-bottom: 4px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.62rem;
  font-weight: 760;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.photo-overlay strong {
  color: #ffffff;
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: clamp(0.93rem, 1.7vw, 1.18rem);
  font-weight: 620;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.photo-card:hover .photo-overlay,
.photo-card:focus-visible .photo-overlay {
  transform: translateY(-3px);
}

.photo-expand {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 50%;
  background: rgba(8, 18, 31, 0.32);
  backdrop-filter: blur(9px);
  color: #ffffff;
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(5px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.photo-card:hover .photo-expand,
.photo-card:focus-visible .photo-expand {
  opacity: 1;
  transform: translateY(0);
}

.photo-credit {
  margin: 18px 2px 0;
  color: var(--faint);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-align: right;
  text-transform: uppercase;
}

.photo-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  overflow: auto;
  background: rgba(5, 12, 22, 0.94);
  backdrop-filter: blur(18px);
  padding: 58px 24px 24px;
  animation: lightbox-in 180ms ease both;
}

.photo-lightbox figure {
  width: min(1180px, 100%);
  max-height: calc(100vh - 82px);
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  justify-items: center;
  margin: 0;
}

.photo-lightbox figure > img {
  max-width: 100%;
  max-height: calc(100vh - 170px);
  display: block;
  border-radius: 14px;
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.46);
  object-fit: contain;
}

.photo-lightbox figcaption {
  width: min(820px, 100%);
  display: grid;
  justify-items: center;
  margin-top: 18px;
  color: #ffffff;
  text-align: center;
}

.photo-lightbox figcaption > span,
.photo-lightbox figcaption small {
  color: #9eb1ca;
  font-size: 0.64rem;
  font-weight: 680;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.photo-lightbox figcaption strong {
  margin: 3px 0 4px;
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
}

.lightbox-close {
  position: fixed;
  top: 18px;
  right: 20px;
  z-index: 1001;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  cursor: pointer;
  font-size: 1.65rem;
  font-weight: 300;
  line-height: 1;
  transition: background-color 150ms ease, transform 150ms ease;
}

.lightbox-close:hover,
.lightbox-close:focus-visible {
  background: rgba(255, 255, 255, 0.18);
  transform: rotate(4deg) scale(1.04);
}

@keyframes lightbox-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.contact-section {
  background: var(--navy);
  color: #ffffff;
  padding: 110px 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 100px;
}

.contact-layout .section-kicker {
  color: #72adff;
}

.contact-layout h2 {
  max-width: 720px;
  font-size: clamp(2.6rem, 5vw, 4.45rem);
}

.contact-layout > div:first-child > p:not(.section-kicker) {
  max-width: 680px;
  margin: 26px 0 0;
  color: #bac8da;
  font-size: 1rem;
}

.contact-button {
  margin-top: 30px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
}

.contact-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 34px 38px;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
  padding-left: 50px;
}

.contact-details > div:last-child {
  grid-column: 1 / -1;
}

.contact-label {
  color: #72adff;
  font-size: 0.68rem;
  font-weight: 760;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-details p {
  margin: 8px 0 0;
  color: #d7e0ec;
  font-size: 0.9rem;
  line-height: 1.65;
}

.contact-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 9px;
}

.contact-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.045);
  color: #d7e0ec;
  padding: 8px 10px;
  font-size: 0.88rem;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease, transform 150ms ease;
}

.contact-links a svg {
  width: 15px;
  height: 15px;
  color: #72adff;
}

.contact-links .social-glyph {
  width: 18px;
  height: 18px;
  border-color: #72adff;
  color: #72adff;
  font-size: 0.42rem;
}

.contact-links a:hover,
.contact-links a:focus-visible {
  border-color: rgba(114, 173, 255, 0.7);
  background: rgba(114, 173, 255, 0.1);
  color: #72adff;
  transform: translateY(-1px);
}

footer {
  background: #081321;
  color: #9fb0c4;
}

.footer-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.78rem;
}

.footer-inner p {
  margin: 0;
}

.footer-inner a:hover,
.footer-inner a:focus-visible {
  color: #ffffff;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--blue) 65%, white);
  outline-offset: 3px;
}

.content-error {
  width: min(720px, calc(100% - 40px));
  margin: 12vh auto;
  border: 1px solid #dfe5ee;
  border-radius: 18px;
  background: #ffffff;
  padding: 34px;
  box-shadow: 0 22px 70px rgba(16, 36, 65, 0.1);
  color: #17202d;
}

.content-error h1 {
  margin-top: 0;
}

@media (max-width: 1020px) {
  .desktop-nav {
    gap: 18px;
  }

  .desktop-nav a {
    font-size: 0.82rem;
  }

  .hero {
    grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.5fr);
    gap: 55px;
  }

  .profile-facts {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .section-heading-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .research-card {
    min-height: 275px;
  }

  .research-card h3 {
    margin-top: 28px;
  }

  .experience-layout {
    gap: 60px;
  }

  .photo-mosaic {
    grid-template-rows: repeat(17, 54px);
  }

  .contact-layout {
    gap: 60px;
  }
}

@media (max-width: 830px) {
  .section-shell,
  .nav-shell {
    width: min(100% - 34px, 680px);
  }

  .desktop-nav,
  .header-scholar {
    display: none;
  }

  .mobile-nav {
    display: block;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 62px;
    padding-top: 62px;
    padding-bottom: 85px;
  }

  .profile-column,
  .experience-intro {
    position: static;
  }

  .portrait {
    width: 245px;
  }

  .profile-title {
    max-width: 380px;
  }

  .biography-column > h2 {
    font-size: clamp(2.75rem, 12vw, 4rem);
  }

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

  .research-section,
  .publications-section,
  .experience-section,
  .teaching-section,
  .beyond-section,
  .contact-section {
    padding-top: 82px;
    padding-bottom: 88px;
  }

  .publication-item {
    grid-template-columns: 92px minmax(0, 1fr) 20px;
    gap: 16px;
  }

  .dissertation-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .experience-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 55px;
  }

  .teaching-card {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .teaching-number {
    font-size: 8rem;
  }

  .beyond-heading,
  .gallery-heading {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .beyond-intro {
    max-width: 610px;
  }

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

  .hobby-card {
    min-height: 0;
  }

  .gallery-heading {
    margin-top: 72px;
  }

  .gallery-heading > p {
    max-width: 500px;
  }

  .photo-mosaic {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: none;
    grid-auto-flow: dense;
    grid-auto-rows: 220px;
  }

  .photo-card {
    grid-column: auto;
    grid-row: auto;
  }

  .photo-card-1,
  .photo-card-9 {
    grid-column: 1 / -1;
  }

  .photo-card-3,
  .photo-card-5 {
    grid-row: span 2;
  }

  .contact-details {
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    border-left: 0;
    padding-top: 38px;
    padding-left: 0;
  }
}

@media (max-width: 560px) {
  .nav-shell {
    min-height: 66px;
  }

  .brand {
    border-radius: 10px;
    font-size: 1.05rem;
    padding: 8px 12px 9px;
  }

  .theme-toggle {
    height: 35px;
    min-width: 50px;
  }

  .hero {
    padding-top: 44px;
  }

  .portrait {
    width: 210px;
    border-width: 6px;
  }

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

  .research-card {
    min-height: 310px;
    padding: 25px;
  }

  .publication-heading .text-link {
    justify-self: start;
  }

  .publication-item {
    grid-template-columns: 1fr 20px;
    gap: 10px;
    padding: 21px 18px;
  }

  .publication-meta {
    grid-column: 1 / -1;
    flex-direction: row;
    gap: 10px;
  }

  .publication-body {
    grid-column: 1;
  }

  .publication-arrow {
    grid-column: 2;
    grid-row: 2;
  }

  .dissertation-card {
    gap: 24px;
  }

  .timeline-item {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 14px;
    padding: 16px 14px;
  }

  .timeline-logo-link {
    width: 56px;
    height: 52px;
  }

  .teaching-card {
    padding: 32px 25px;
  }

  .teaching-history-item {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .beyond-section::before {
    right: -260px;
  }

  .beyond-heading h2 {
    font-size: clamp(2.35rem, 11vw, 3.45rem);
  }

  .hobby-card {
    padding: 20px;
  }

  .gallery-heading {
    padding-top: 34px;
  }

  .photo-mosaic {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
    gap: 10px;
    margin-top: 30px;
  }

  .photo-card,
  .photo-card-1,
  .photo-card-2,
  .photo-card-3,
  .photo-card-4,
  .photo-card-5,
  .photo-card-6,
  .photo-card-7,
  .photo-card-8,
  .photo-card-9 {
    grid-column: 1;
    grid-row: auto;
    aspect-ratio: 4 / 3;
  }

  .photo-card-3,
  .photo-card-5 {
    aspect-ratio: 4 / 5;
  }

  .photo-overlay {
    right: 16px;
    bottom: 15px;
    left: 16px;
  }

  .photo-expand {
    top: 12px;
    right: 12px;
    opacity: 1;
    transform: none;
  }

  .photo-credit {
    text-align: left;
  }

  .photo-lightbox {
    padding-right: 14px;
    padding-left: 14px;
  }

  .contact-details {
    grid-template-columns: 1fr;
  }

  .contact-details > div:last-child {
    grid-column: auto;
  }

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

  .contact-button {
    width: 100%;
  }

  .footer-inner {
    min-height: 90px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 3px;
  }
}

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

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