:root {
  --bg: #ffffff;
  --paper: #ffffff;
  --ink: #191919;
  --muted: #666666;
  --line: #e2e5ea;
  --accent: #2457a6;
  --accent-2: #3c6f9d;
  --accent-3: #7a5a20;
  --paper-soft: #f8f9fb;
  --header-font: Charter, "Bitstream Charter", "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --shadow: 0 18px 50px rgba(25, 25, 25, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration-color: rgba(36, 87, 166, 0.42);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 32px));
  margin: 18px auto 0;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(226, 229, 234, 0.9);
  border-radius: 8px;
  backdrop-filter: blur(18px);
}

.brand {
  font-family: var(--header-font);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: 700;
  letter-spacing: 0;
  text-decoration: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  padding: 8px 11px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 650;
  text-decoration: none;
}

.nav a:hover {
  background: #eef2f7;
  color: var(--ink);
}

.nav a[aria-current="page"] {
  background: var(--ink);
  color: #f8fbfc;
}

main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(240px, 0.55fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  padding: 58px 0 86px;
}

.hero-copy {
  max-width: 780px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0 0 22px;
  font-family: var(--header-font);
  font-weight: 760;
  font-size: clamp(3.2rem, 8vw, 7.2rem);
  line-height: 0.94;
  letter-spacing: 0;
  max-width: 900px;
}

.name-title {
  font-size: clamp(2rem, 3.7vw, 3.35rem);
  line-height: 1.08;
}

.mobile-title-row {
  display: block;
}

.mobile-face {
  display: none;
}

.page-title {
  font-size: clamp(2.7rem, 6vw, 5.3rem);
}

h2 {
  margin: 0;
  font-family: var(--header-font);
  font-weight: 760;
  font-size: clamp(2.15rem, 4.5vw, 4.25rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.lead {
  color: #2e2e2e;
  font-size: clamp(1.18rem, 2vw, 1.42rem);
  line-height: 1.48;
}

.hero-copy p:not(.eyebrow) {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.02rem;
}

.office-location {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 6px;
  padding: 8px 11px;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 750;
}

.office-location strong {
  color: var(--ink);
  margin-right: 5px;
}

.pin-icon {
  position: relative;
  width: 15px;
  height: 15px;
  border: 2px solid var(--accent);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  flex: 0 0 auto;
}

.pin-icon::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--accent);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 15px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper-soft);
  color: var(--ink);
  font-size: 0.94rem;
  font-weight: 750;
  text-decoration: none;
  gap: 8px;
}

.button.primary {
  background: var(--ink);
  border-color: var(--ink);
  color: #f8fbfc;
}

.button-favicon {
  width: 18px;
  height: 18px;
  display: block;
  flex: 0 0 auto;
}

.button-envelope {
  position: relative;
  width: 18px;
  height: 14px;
  display: block;
  flex: 0 0 auto;
  border: 2px solid currentColor;
  border-radius: 3px;
}

.button-envelope::before,
.button-envelope::after {
  content: "";
  position: absolute;
  top: 2px;
  width: 11px;
  height: 2px;
  background: currentColor;
}

.button-envelope::before {
  left: -1px;
  transform: rotate(35deg);
  transform-origin: left center;
}

.button-envelope::after {
  right: -1px;
  transform: rotate(-35deg);
  transform-origin: right center;
}

.portrait-frame {
  position: relative;
  justify-self: end;
  width: min(100%, 330px);
  margin: 0;
  aspect-ratio: 1 / 1.08;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #e7ebf0;
}

.portrait-frame::before {
  content: "";
  position: absolute;
  inset: 12px;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 6px;
  pointer-events: none;
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.section {
  padding: 76px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(220px, 0.46fr) minmax(0, 0.54fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 34px;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -14px;
}

.section-heading p:not(.eyebrow) {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.page-intro {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding: 56px 0 18px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.page-intro .page-title {
  margin-bottom: 0;
}

.page-intro p:not(.eyebrow) {
  flex: 0 0 100%;
  max-width: 720px;
  color: var(--muted);
  font-size: 1.08rem;
}

.compact-section {
  padding-top: 26px;
}

.lab-page .page-intro {
  padding: 40px 0 12px;
}

.lab-page .section {
  padding: 30px 0;
}

.lab-page .compact-section {
  padding-top: 18px;
}

.lab-page .student-section {
  padding-top: 14px;
}

.publication-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.search-box {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 38px;
  padding: 8px 12px;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 750;
}

.search-box input {
  width: min(42vw, 280px);
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-weight: 500;
}

.search-box input::placeholder {
  color: #8a8f96;
}

.preprint-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 38px;
  padding: 8px 12px;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 750;
  cursor: pointer;
}

.preprint-toggle input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.publication-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 28px;
  row-gap: 18px;
}

.paper-card {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  align-items: stretch;
  background: var(--paper);
  border: 1px solid rgba(226, 229, 234, 0.92);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(25, 25, 25, 0.035);
}

.paper-media {
  position: relative;
  display: block;
  min-height: 0;
  aspect-ratio: auto;
  background: #f1f4f8;
  overflow: hidden;
}

.paper-media img,
.paper-media video {
  position: absolute;
  inset: 6px;
  width: calc(100% - 12px);
  height: calc(100% - 12px);
  display: block;
  object-fit: contain;
}

.paper-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 10px 11px;
  min-height: 0;
  overflow: hidden;
}

.venue {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 850;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.paper-body h3 {
  font-size: 0.94rem;
  line-height: 1.22;
}

.authors {
  margin: 7px 0 10px;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.34;
}

.authors a {
  color: var(--ink);
  text-decoration-color: rgba(36, 87, 166, 0.35);
}

.me-author {
  color: var(--ink);
  font-weight: 900;
}

.paper-links {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  margin-top: auto;
}

.paper-links a {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper-soft);
  font-size: 0.74rem;
  font-weight: 850;
  text-decoration: none;
  text-transform: uppercase;
}

.paper-links a:hover {
  border-color: rgba(36, 87, 166, 0.5);
  background: #eef3fb;
}

.placeholder-panel {
  max-width: 760px;
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.placeholder-panel h2 {
  margin-bottom: 12px;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.placeholder-panel p {
  margin: 0;
  color: var(--muted);
}

.recent-publications {
  padding-top: 0;
}

.recent-publications-heading {
  align-items: center;
}

.recent-publications-heading .eyebrow {
  margin-bottom: 6px;
}

.recent-publications-heading h2 {
  font-size: clamp(1.45rem, 2.2vw, 1.9rem);
  line-height: 1.08;
}

.recent-publications-heading .button {
  justify-self: end;
}

.recent-publication-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.recent-publication-card {
  min-width: 0;
  background: var(--paper);
  border: 1px solid rgba(226, 229, 234, 0.92);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(25, 25, 25, 0.035);
}

.recent-publication-media {
  position: relative;
  display: block;
  aspect-ratio: 1.28;
  background: #f1f4f8;
  overflow: hidden;
}

.recent-publication-media img,
.recent-publication-media video {
  position: absolute;
  inset: 6px;
  width: calc(100% - 12px);
  height: calc(100% - 12px);
  display: block;
  object-fit: contain;
}

.recent-publication-card p {
  margin: 10px 11px 5px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.recent-publication-card h3 {
  margin: 0;
  padding: 0 11px 13px;
  font-size: 0.9rem;
  line-height: 1.22;
}

.recent-publication-card a {
  text-decoration: none;
}

.lab-hero {
  max-width: 840px;
  padding: 24px 0 18px;
  border-bottom: 1px solid var(--line);
}

.lab-hero h2,
.lab-section-heading h2,
.join-section h2 {
  margin: 0;
  font-family: var(--header-font);
  font-size: clamp(1.7rem, 3vw, 2.7rem);
  line-height: 1.08;
}

.lab-section-heading h2 {
  font-size: clamp(1.2rem, 2vw, 1.65rem);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.lab-hero p:not(.eyebrow),
.join-section p,
.lab-section-heading p {
  color: var(--muted);
}

.lab-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 12px;
}

.lab-section-heading p {
  margin: 0;
}

.director-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 190px));
  gap: 18px;
  justify-content: start;
}

.person-card,
.student-placeholder,
.join-section {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.person-card {
  padding: 18px;
}

.director-card {
  max-width: 190px;
}

.person-photo {
  width: 108px;
  height: 108px;
  display: block;
  margin-bottom: 16px;
  border-radius: 8px;
  object-fit: cover;
  background: var(--paper-soft);
}

.photo-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.4rem;
  font-weight: 850;
}

.person-card h3 {
  margin-bottom: 8px;
}

.person-link {
  display: inline-block;
  text-decoration: none;
}

.person-link:hover h3 {
  color: var(--accent);
}

.person-card p {
  margin: 0 0 14px;
  color: var(--muted);
}

.person-card a {
  color: var(--accent);
  font-weight: 800;
  text-decoration: none;
}

.student-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.student-placeholder {
  min-height: 132px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 11px;
  background: var(--paper-soft);
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 750;
  text-align: center;
}

.student-placeholder h3 {
  max-width: 100%;
  font-size: 0.9rem;
  line-height: 1.22;
}

.student-link {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  color: inherit;
  text-decoration: none;
}

.student-link:hover h3 {
  color: var(--accent);
}

.student-photo {
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  object-fit: cover;
  background:
    linear-gradient(135deg, rgba(36, 87, 166, 0.16), rgba(36, 87, 166, 0.04)),
    var(--paper);
  border: 1px solid var(--line);
  color: var(--accent);
  font-weight: 850;
}

.join-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px;
  margin-bottom: 54px;
}

.join-section p {
  max-width: 780px;
  margin: 10px 0 0;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 42px;
  }

  .portrait-frame {
    justify-self: start;
    width: min(360px, 72vw);
  }

  .publication-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .recent-publication-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .section-heading {
    grid-template-columns: 1fr;
  }

  .recent-publications-heading .button {
    justify-self: start;
  }

  .section-heading .eyebrow {
    margin-bottom: -8px;
  }

  .student-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    align-items: stretch;
    flex-direction: column;
    margin-top: 10px;
    gap: 10px;
    padding: 12px;
  }

  .nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    justify-content: stretch;
    gap: 6px;
  }

  .nav a {
    min-height: 38px;
    padding: 8px 6px;
    text-align: center;
    font-size: 0.86rem;
  }

  main,
  .site-header,
  .footer {
    width: min(100% - 24px, 1180px);
  }

  h1 {
    font-size: clamp(2.65rem, 14vw, 4rem);
  }

  .hero {
    min-height: auto;
    padding-top: 34px;
    padding-bottom: 42px;
  }

  .mobile-title-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 20px;
  }

  .name-title {
    margin-bottom: 0;
    font-size: clamp(1.95rem, 10vw, 2.85rem);
  }

  .mobile-face {
    display: block;
    order: -1;
    width: 118px;
    height: 118px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 10px 28px rgba(25, 25, 25, 0.13);
  }

  .hero-actions {
    display: grid;
    grid-template-columns: repeat(5, 44px);
    gap: 8px;
    justify-content: start;
    margin-top: 22px;
  }

  .hero-actions .button {
    width: 44px;
    min-height: 44px;
    padding: 0;
    font-size: 0;
    gap: 0;
  }

  .hero-actions .button-favicon {
    width: 20px;
    height: 20px;
  }

  .hero-actions .button-envelope {
    width: 20px;
    height: 15px;
  }

  .portrait-frame {
    display: none;
  }

  .page-intro {
    align-items: flex-start;
    padding-top: 36px;
  }

  .publication-controls {
    width: 100%;
    justify-content: flex-start;
  }

  .search-box {
    width: 100%;
  }

  .search-box input {
    width: 100%;
    min-width: 0;
  }

  .recent-publications {
    padding-top: 18px;
  }

  .recent-publications-heading {
    gap: 14px;
    margin-bottom: 22px;
  }

  .recent-publications-heading h2 {
    font-size: clamp(1.7rem, 7vw, 2.05rem);
  }

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

  .recent-publication-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .recent-publication-card {
    display: grid;
    grid-template-columns: 128px minmax(0, 1fr);
    align-items: stretch;
  }

  .recent-publication-media {
    grid-row: 1 / span 2;
    aspect-ratio: auto;
    min-height: 112px;
  }

  .recent-publication-card p {
    margin: 10px 10px 4px;
    font-size: 0.68rem;
  }

  .recent-publication-card h3 {
    padding: 0 10px 10px;
    font-size: 0.82rem;
    line-height: 1.18;
  }

  .paper-card {
    grid-template-columns: 138px minmax(0, 1fr);
  }

  .paper-body {
    padding: 9px 10px;
  }

  .venue {
    margin-bottom: 4px;
    font-size: 0.72rem;
  }

  .paper-body h3 {
    font-size: 0.82rem;
    line-height: 1.18;
  }

  .authors {
    margin: 5px 0 8px;
    font-size: 0.66rem;
    line-height: 1.22;
  }

  .paper-links a {
    min-height: 24px;
    padding: 4px 7px;
    font-size: 0.66rem;
  }

  .director-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .director-card {
    max-width: none;
  }

  .person-card {
    padding: 12px;
  }

  .person-photo {
    width: 82px;
    height: 82px;
    margin-bottom: 10px;
  }

  .person-card h3 {
    font-size: 0.9rem;
    line-height: 1.18;
  }

  .student-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lab-section-heading,
  .join-section {
    align-items: flex-start;
    flex-direction: column;
  }

  .section {
    padding: 54px 0;
  }

  .footer {
    flex-direction: column;
  }
}