:root {
  color-scheme: light;
  --ink: #141b24;
  --muted: #5d6876;
  --line: #d9e2ef;
  --blue: #0057b8;
  --blue-dark: #003b79;
  --gold: #f6b221;
  --cyan: #69d4ee;
  --orange: #de8f32;
  --paper: #ffffff;
  --soft: #f4f7fb;
  --shadow: 0 18px 42px rgba(10, 31, 68, 0.12);
  --max: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 8%, rgba(105, 212, 238, 0.22), transparent 310px),
    linear-gradient(180deg, #f8fbff 0, #fff 420px);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 12px clamp(20px, 4vw, 48px);
  border-top: 4px solid var(--gold);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  aspect-ratio: 1;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong { color: var(--blue-dark); }
.brand small { color: var(--muted); font-size: 0.82rem; }

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

nav a {
  border-radius: 6px;
  padding: 7px 10px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
}

nav a:hover {
  color: var(--blue-dark);
  background: #edf4ff;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.58fr);
  gap: clamp(36px, 6vw, 84px);
  align-items: center;
  max-width: var(--max);
  min-height: 680px;
  margin: 0 auto;
  padding: clamp(64px, 9vw, 120px) clamp(20px, 4vw, 48px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue-dark);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1, h2, h3 { letter-spacing: 0; }

h1 {
  margin: 0;
  font-size: clamp(4rem, 12vw, 9.8rem);
  line-height: 0.88;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1.02;
}

h3 {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.25;
}

.title-line {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--blue-dark);
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  font-weight: 900;
}

.lede {
  max-width: 720px;
  margin: 18px 0 0;
  color: #303a47;
  font-size: clamp(1.08rem, 2vw, 1.3rem);
}

.hero-actions,
.cv-actions,
.publication-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 16px;
  color: var(--ink);
  font-weight: 900;
  text-decoration: none;
  transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}

.button.primary {
  border-color: var(--blue);
  color: #fff;
  background: var(--blue);
}

.button:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.research-statement-link {
  color: var(--blue-dark);
  font-size: 0.95rem;
  font-weight: 900;
}

.portrait-panel {
  position: relative;
  display: grid;
  align-self: stretch;
  min-height: 520px;
}

.portrait-panel::before {
  content: "";
  position: absolute;
  inset: 8% -4% -4% 14%;
  z-index: -1;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--gold), var(--orange), var(--cyan));
}

.portrait-panel img {
  width: 100%;
  height: 100%;
  max-height: 620px;
  border-radius: 8px;
  object-fit: cover;
  object-position: 43% center;
  box-shadow: var(--shadow);
}

.portrait-note {
  position: absolute;
  right: 18px;
  bottom: 18px;
  max-width: 260px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 8px;
  padding: 14px;
  color: #fff;
  background: rgba(0, 35, 78, 0.78);
  backdrop-filter: blur(8px);
}

.portrait-note strong,
.portrait-note span {
  display: block;
}

.portrait-note span {
  margin-top: 4px;
  color: #dcecff;
  font-size: 0.9rem;
}

.affiliation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px) 56px;
}

.school-logo {
  display: inline-flex;
}

.affiliation img {
  width: 92px;
  height: auto;
}

.affiliation p {
  margin: 0;
  color: var(--muted);
  font-weight: 800;
}

.affiliation a {
  color: var(--blue-dark);
  font-weight: 900;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(54px, 8vw, 92px) clamp(20px, 4vw, 48px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-heading p {
  color: var(--muted);
  font-size: 1.04rem;
}

.section-heading.compact {
  margin-bottom: 22px;
}

.subsection-heading {
  margin-top: 46px;
}

.intro-grid,
.two-column,
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
  border-top: 1px solid var(--line);
}

.intro-copy {
  color: #303a47;
  font-size: 1.08rem;
}

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

.publications-section,
.recognition-section,
.media-section,
.cv-section,
.elsewhere {
  border-top: 1px solid var(--line);
}

.paper-list li,
.stacked-cards article,
.recognition-grid article,
.media-grid article,
.contact-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 10px 24px rgba(10, 31, 68, 0.08);
}

.feature-strip {
  padding-top: 0;
  padding-bottom: 0;
}

.feature-strip div {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  border-top: 5px solid var(--gold);
  border-radius: 8px;
  padding: 16px;
  background: linear-gradient(135deg, #f4f8ff, #fff8ea);
}

.feature-strip span {
  color: var(--blue-dark);
  font-weight: 900;
}

.paper-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: papers;
}

.paper-list li {
  position: relative;
  padding: 18px 18px 18px 58px;
}

.paper-list li::before {
  position: absolute;
  left: 18px;
  top: 18px;
  counter-increment: papers;
  content: counter(papers, decimal-leading-zero);
  color: var(--orange);
  font-size: 0.78rem;
  font-weight: 900;
}

.paper-list p {
  margin: 0;
  color: #303a47;
}

.paper-list div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.citation-count {
  display: inline-flex;
  margin-top: 10px;
  border: 1px solid #f0cf81;
  border-radius: 999px;
  padding: 3px 9px;
  color: var(--blue-dark);
  background: #fff8e8;
  font-size: 0.78rem;
  font-weight: 900;
}

.paper-list a,
.stacked-cards a,
.link-list a {
  display: inline-flex;
  color: var(--blue-dark);
  font-size: 0.88rem;
  font-weight: 900;
}

.cv-frame {
  display: block;
  width: 100%;
  height: min(940px, 82vh);
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  box-shadow: var(--shadow);
}

.stacked-cards {
  display: grid;
  gap: 12px;
}

.stacked-cards article {
  padding: 18px;
}

.stacked-cards p {
  color: var(--muted);
}

.teaching-photo {
  display: block;
  width: 100%;
  margin-top: 22px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.link-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.recognition-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.recognition-grid article {
  padding: 18px;
}

.recognition-grid p {
  color: var(--muted);
}

.recognition-grid a {
  display: inline-flex;
  margin-right: 12px;
  color: var(--blue-dark);
  font-size: 0.88rem;
  font-weight: 900;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.media-grid article {
  padding: 18px;
}

.media-grid span {
  display: block;
  margin-bottom: 10px;
  color: var(--orange);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.media-grid p {
  color: var(--muted);
}

.media-grid a {
  color: var(--blue-dark);
  font-size: 0.88rem;
  font-weight: 900;
}

.prospective-note {
  margin-top: 18px;
  color: var(--muted);
}

.contact-card {
  display: grid;
  gap: 8px;
  padding: 20px;
}

.contact-card a {
  color: var(--blue-dark);
  font-size: 1rem;
  font-weight: 900;
}

.email-text {
  color: var(--blue-dark);
  font-size: 1.1rem;
  font-weight: 900;
}

.contact-card span {
  color: var(--muted);
}

.elsewhere-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.elsewhere-grid a {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  color: var(--blue-dark);
  background: #fff;
  box-shadow: 0 10px 24px rgba(10, 31, 68, 0.08);
  font-weight: 900;
  text-decoration: none;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  max-width: var(--max);
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding: 28px clamp(20px, 4vw, 48px) 42px;
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--blue-dark);
  font-weight: 900;
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

  .hero,
  .intro-grid,
  .two-column,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .portrait-panel {
    min-height: 420px;
  }

  .recognition-grid,
  .media-grid,
  .elsewhere-grid,
  .feature-strip div {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .site-header {
    position: static;
  }

  h1 {
    font-size: clamp(4rem, 24vw, 6rem);
  }

  .affiliation,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .recognition-grid,
  .media-grid,
  .elsewhere-grid,
  .feature-strip div {
    grid-template-columns: 1fr;
  }

  .portrait-panel {
    min-height: 360px;
  }

  .cv-frame {
    height: 72vh;
  }
}