:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --ink: #151719;
  --muted: #5c6570;
  --line: #d8dde4;
  --accent: #b3261e;
  --accent-2: #087f8c;
  --accent-3: #2f7d45;
  --mark: #b98900;
  --shadow: 0 18px 45px rgba(16, 24, 40, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration-color: rgba(179, 38, 30, 0.45);
  text-underline-offset: 0.18em;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  background: var(--surface);
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--line);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
  padding: 0.75rem clamp(1rem, 4vw, 3.5rem);
  background: rgba(246, 247, 249, 0.88);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(14px);
}

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

.brand {
  font-weight: 800;
  text-decoration: none;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 2vw, 1.25rem);
  font-size: 0.92rem;
  color: var(--muted);
}

nav a {
  text-decoration: none;
}

.profile-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(280px, 0.92fr) minmax(320px, 1.08fr);
  min-height: min(820px, calc(100vh - 112px));
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
}

.hero-media {
  min-height: 520px;
  background-image: linear-gradient(rgba(21, 23, 25, 0.05), rgba(21, 23, 25, 0.05)), url("./assets/photo.jpg");
  background-position: center;
  background-size: cover;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  max-width: 760px;
  padding: clamp(2rem, 6vw, 6.5rem);
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  overflow-wrap: break-word;
  word-break: normal;
  hyphens: none;
}

h1 {
  max-width: 11ch;
  margin: 0;
  font-size: clamp(3.1rem, 7vw, 7rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.25;
}

h4 {
  margin: 0;
  font-size: 1rem;
}

.affiliation {
  max-width: 42rem;
  margin: 1.5rem 0 0;
  color: var(--accent-2);
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  font-weight: 800;
}

.intro {
  max-width: 54rem;
  margin: 1.35rem 0 0;
  color: #2c3238;
  font-size: clamp(1rem, 1.35vw, 1.18rem);
}

.action-row,
.inline-links,
.contact-links,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.action-row {
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.72rem 1rem;
  border: 1px solid var(--ink);
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
}

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

.button.secondary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.button.ghost {
  background: transparent;
  color: var(--ink);
}

.focus-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.focus-strip > div {
  min-height: 132px;
  padding: clamp(1rem, 3vw, 2rem);
  background: #eef6f5;
}

.focus-strip > div:nth-child(2) {
  background: #f5f1e6;
}

.focus-strip > div:nth-child(3) {
  background: #eef4ec;
}

.focus-strip span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.focus-strip strong {
  display: block;
  max-width: 48rem;
  margin-top: 0.45rem;
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  line-height: 1.25;
}

.section-block {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) 0;
}

.section-heading {
  display: block;
  max-width: 860px;
  margin-bottom: 1.5rem;
}

.section-heading h2 {
  max-width: none;
}

.subsection-heading {
  max-width: 760px;
  margin: clamp(2rem, 4vw, 3rem) 0 1rem;
}

.subsection-heading h3 {
  color: var(--ink);
  font-size: clamp(1.45rem, 2.4vw, 2.1rem);
  line-height: 1.08;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.feature-card,
.compact-card,
.update-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.feature-card {
  display: flex;
  flex-direction: column;
  min-height: 230px;
  padding: 1.2rem;
}

.feature-card p,
.update-card p,
.compact-card li,
.highlight-row p,
.publication-item p,
.timeline-entry p,
.contact-band p {
  color: var(--muted);
}

.feature-card a {
  margin-top: auto;
  font-weight: 800;
}

.update-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.update-card {
  display: flex;
  flex-direction: column;
  min-height: 220px;
  padding: 1.15rem;
}

.update-card a {
  margin-top: auto;
  font-weight: 800;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.9rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.card-meta span:first-child,
.tag-row span {
  color: var(--accent);
}

.timeline-layout {
  display: grid;
  grid-template-columns: minmax(220px, 0.35fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
}

.sticky-heading {
  position: sticky;
  top: 92px;
  display: block;
  align-self: start;
}

.timeline-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.timeline-columns h3 {
  margin-bottom: 1rem;
  color: var(--accent-2);
}

.timeline-entry {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 1rem;
  padding: 1.2rem 0;
  border-top: 1px solid var(--line);
}

.timeline-entry > div,
.publication-item > div,
.highlight-row > div,
.contact-band > div {
  min-width: 0;
}

.timeline-entry time {
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 800;
}

.inline-links a,
.contact-links a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  text-decoration: none;
}

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

.publication-item {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 1.5rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
}

.publication-year {
  color: var(--accent-3);
  font-weight: 900;
}

.publication-item p {
  margin: 0.45rem 0;
}

.publication-item a {
  font-weight: 800;
}

.impact-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.35fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
}

.compact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.compact-card {
  padding: 1.1rem;
  box-shadow: none;
}

.compact-card ul {
  margin: 0.8rem 0 0;
  padding-left: 1.1rem;
}

.compact-card li + li {
  margin-top: 0.45rem;
}

.highlight-list {
  display: grid;
  gap: 0.75rem;
}

.highlight-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(160px, 0.28fr);
  gap: 1.5rem;
  align-items: center;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.highlight-row > a {
  justify-self: end;
  font-weight: 800;
}

.highlight-row h3 {
  margin-bottom: 0.35rem;
}

.recognition-section .compact-grid {
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.tag-row span {
  border: 1px solid rgba(179, 38, 30, 0.18);
  border-radius: 999px;
  padding: 0.2rem 0.45rem;
  background: #fff;
  font-size: 0.74rem;
  font-weight: 800;
}

.contact-band {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(260px, 0.3fr);
  gap: 2rem;
  border-top: 2px solid var(--ink);
}

.contact-links {
  align-content: start;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem clamp(1rem, 4vw, 3.5rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.todo {
  color: var(--accent);
  font-weight: 800;
}

@media (max-width: 980px) {
  .profile-hero,
  .timeline-layout,
  .impact-layout,
  .contact-band {
    grid-template-columns: 1fr;
  }

  .profile-hero {
    max-height: none;
    min-height: auto;
  }

  .hero-media {
    min-height: 46vh;
  }

  .hero-content {
    padding: 2rem 1rem 3rem;
  }

  h1 {
    max-width: 100%;
  }

  .focus-strip,
  .feature-grid,
  .update-grid,
  .timeline-columns,
  .compact-grid {
    grid-template-columns: 1fr;
  }

  .sticky-heading {
    position: static;
  }

  .section-heading {
    display: block;
  }
}

@media (max-width: 680px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-media {
    min-height: min(36vh, 350px);
    background-position: center top;
  }

  .hero-content {
    padding: 1.75rem 1rem 2rem;
  }

  h1 {
    font-size: clamp(2.65rem, 13vw, 3.35rem);
  }

  .affiliation {
    font-size: 1rem;
  }

  .intro {
    display: -webkit-box;
    overflow: hidden;
    font-size: 0.98rem;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 6;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.15rem;
  }

  .timeline-entry,
  .publication-item,
  .highlight-row {
    grid-template-columns: 1fr;
  }

  .highlight-row > a {
    justify-self: start;
  }

  .button {
    width: 100%;
  }
}