:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #111318;
  --muted: #687386;
  --line: #dfe3e8;
  --accent: #2f5be7;
  --accent-soft: #edf1ff;
  --max-width: 960px;
}

html[data-theme="dark"] {
  --bg: #0f1115;
  --surface: #171a20;
  --text: #f5f7fa;
  --muted: #a4adba;
  --line: #2c323c;
  --accent: #8ea4ff;
  --accent-soft: #20284b;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.container {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  margin-right: auto;
  text-decoration: none;
  font-weight: 760;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.nav-links a:hover {
  color: var(--text);
}

.theme-toggle {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.hero {
  padding: 64px 0 58px;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(250px, 0.62fr);
  gap: 56px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 820;
  letter-spacing: 0.15em;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3.35rem, 6.4vw, 5.7rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

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

.hero-subtitle {
  margin: 30px 0 0;
  font-size: clamp(1.18rem, 1.9vw, 1.55rem);
  letter-spacing: -0.025em;
}

.hero-bio {
  max-width: 700px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 1.02rem;
}

.hero-bio p {
  margin: 0 0 12px;
}

.hero-bio p:last-child {
  margin-bottom: 0;
}

.hero-actions {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}

.button {
  min-height: 44px;
  padding: 0 17px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 720;
}

.button-primary {
  background: var(--text);
  color: var(--bg);
  border: 1px solid var(--text);
}

.button-secondary {
  border: 1px solid var(--line);
  background: transparent;
}


.meta-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}

.meta-label {
  color: var(--muted);
}

.meta-row a {
  text-decoration-color: var(--accent);
  text-underline-offset: 3px;
}

.section {
  padding: 54px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 72px;
}

.section-number {
  margin-bottom: 22px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 820;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.05fr);
  gap: 62px;
}

.section-grid h2,
.section-heading h2,
.contact h2 {
  margin: 0;
  font-size: clamp(1.95rem, 3.4vw, 3.2rem);
  line-height: 1.03;
  letter-spacing: -0.055em;
}

.prose {
  color: var(--muted);
  font-size: 1.05rem;
}

.prose p:first-child {
  margin-top: 0;
}

.prose a {
  color: var(--text);
  font-weight: 680;
  text-decoration-color: var(--accent);
  text-underline-offset: 4px;
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr minmax(260px, 0.58fr);
  gap: 42px;
  align-items: end;
  margin-bottom: 26px;
}

.section-heading > p {
  margin: 0;
  color: var(--muted);
}

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

.research-row {
  display: grid;
  grid-template-columns: 42px minmax(220px, 0.65fr) 1fr;
  gap: 26px;
  align-items: baseline;
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
}

.research-index {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
}

.research-row h3 {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: -0.025em;
}

.research-row p {
  margin: 0;
  color: var(--muted);
}

.featured-project {
  padding: 26px 0 4px;
  border-top: 2px solid var(--text);
  border-bottom: 1px solid var(--line);
}

.project-topline {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}

.project-status {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 760;
}

.project-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 720;
}

.project-link:hover {
  color: var(--accent);
}

.project-main {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) 1fr;
  gap: 42px;
  margin-top: 24px;
}

.featured-project h3 {
  margin: 0;
  font-size: clamp(2rem, 3.2vw, 3rem);
  letter-spacing: -0.055em;
}

.project-kicker {
  margin: 10px 0 0;
  color: var(--accent);
  font-weight: 680;
}

.project-description {
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 22px;
}

.project-tags span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 650;
}

.secondary-project {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) 1fr;
  gap: 42px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.secondary-meta {
  color: var(--muted);
  font-size: 0.78rem;
}

.secondary-project h3 {
  margin: 7px 0 0;
  font-size: 1.5rem;
  letter-spacing: -0.035em;
}

.secondary-project p {
  margin: 0;
  color: var(--muted);
}

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

.simple-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 45px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.simple-date {
  color: var(--muted);
  font-size: 0.82rem;
}

.simple-content h3,
.honor-row h3 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.simple-title {
  margin: 6px 0 7px;
  font-weight: 700;
}

.simple-content p:not(.simple-title) {
  margin: 0;
  color: var(--muted);
}

.honor-row {
  display: grid;
  grid-template-columns: 1fr 130px;
  gap: 30px;
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
}

.honor-row p {
  margin: 4px 0 0;
  color: var(--muted);
}

.honor-row > span {
  color: var(--muted);
  text-align: right;
  font-size: 0.82rem;
}









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

.footer-inner {
  min-height: 84px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 0.8rem;
}

@media (max-width: 880px) {
  .nav-links {
    display: none;
  }

  .hero,
  .section-grid,
  .section-heading,
  .project-main,
  .secondary-project {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero {
    padding-top: 70px;
  }

  .research-row {
    grid-template-columns: 34px 1fr;
  }

  .research-row p {
    grid-column: 2;
  }

  .simple-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .contact-links {
    text-align: left;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .hero h1 {
    font-size: clamp(3.1rem, 15vw, 4.5rem);
  }

  .section {
    padding: 64px 0;
  }

  .project-topline {
    align-items: flex-start;
    flex-direction: column;
  }

  .honor-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .honor-row > span {
    text-align: left;
  }

  .footer-inner {
    padding: 20px 0;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
  }
}

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




.education-honor {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 760;
}

.education-honor-mark {
  font-size: 0.78rem;
}

.hero-subtitle {
  max-width: 680px;
}

.section-heading > p {
  max-width: 380px;
}

@media (max-width: 880px) {
}






.hero-subtitle {
  max-width: 720px;
}


.affiliation-card {
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 330px;
  margin-left: auto;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    linear-gradient(
      150deg,
      color-mix(in srgb, var(--surface) 92%, var(--accent-soft)),
      var(--surface)
    );
  box-shadow: 0 16px 44px rgba(20, 27, 45, 0.07);
}

html[data-theme="dark"] .affiliation-card {
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.26);
}

.affiliation-card::after {
  content: "";
  position: absolute;
  width: 150px;
  height: 150px;
  right: -70px;
  top: -75px;
  border-radius: 50%;
  background: var(--accent-soft);
  opacity: 0.75;
}

.affiliation-card > * {
  position: relative;
  z-index: 1;
}

.affiliation-status {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 780;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #25b46b;
  box-shadow: 0 0 0 5px rgba(37, 180, 107, 0.10);
}

.affiliation-card h2 {
  max-width: 260px;
  margin: 22px 0 5px;
  font-size: 1.55rem;
  line-height: 1.18;
  letter-spacing: -0.04em;
}

.affiliation-org {
  margin: 0;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 720;
}

.affiliation-divider {
  height: 1px;
  margin: 24px 0 18px;
  background: var(--line);
}

.affiliation-detail {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 14px;
  align-items: baseline;
  font-size: 0.88rem;
}

.affiliation-detail span {
  color: var(--muted);
}

.affiliation-detail strong {
  font-weight: 680;
}

.affiliation-link {
  display: inline-block;
  margin-top: 20px;
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 720;
  text-decoration: none;
}

.affiliation-link:hover {
  color: var(--accent);
}

@media (max-width: 880px) {
  .affiliation-card {
    max-width: 560px;
    margin-left: 0;
  }
}