:root {
  color-scheme: light;
  --bg: #f7f9f8;
  --panel: #ffffff;
  --ink: #202124;
  --muted: #5e635f;
  --soft: #eef3f0;
  --line: #d7dfda;
  --accent: #0b665d;
  --accent-soft: #dbe9e5;
  --accent-strong: #7b2141;
  --shadow: 0 24px 60px rgba(28, 37, 34, 0.14);
}

* {
  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;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

.skip-link {
  background: var(--ink);
  color: #fff;
  left: 1rem;
  padding: 0.5rem 0.75rem;
  position: absolute;
  top: -4rem;
  z-index: 10;
}

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

.wrap {
  margin: 0 auto;
  max-width: 1120px;
  padding: 0 1.5rem;
  width: 100%;
}

.site-header {
  background: rgba(247, 249, 248, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 5;
}

.header-inner {
  align-items: center;
  display: flex;
  justify-content: space-between;
  min-height: 68px;
  gap: 1rem;
}

.brand {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
}

.nav a {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
  text-decoration: none;
}

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

.intro-section {
  border-bottom: 1px solid var(--line);
  padding: 5.25rem 0 4.5rem;
}

.intro-grid {
  align-items: center;
  display: grid;
  gap: 4rem;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
}

.intro-copy {
  max-width: 720px;
}

h1,
h2,
h3,
h4,
p {
  margin-left: 0;
  margin-right: 0;
}

h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 4rem;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.06;
  margin: 0 0 1.25rem;
}

h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
  line-height: 1.2;
  margin: 0;
  padding-top: 0.85rem;
  position: relative;
}

h2::before {
  background: var(--accent);
  content: "";
  height: 3px;
  left: 0;
  position: absolute;
  top: 0;
  width: 42px;
}

h3 {
  font-size: 1.08rem;
  line-height: 1.3;
  margin: 0 0 0.4rem;
}

h4 {
  font-size: 1rem;
  line-height: 1.3;
  margin: 0 0 0.4rem;
}

p {
  margin-bottom: 1rem;
  margin-top: 0;
}

.intro-copy p {
  color: #303532;
  font-size: 1.08rem;
  line-height: 1.7;
}

.lead {
  font-size: 1.08rem;
  line-height: 1.7;
}

.profile-facts {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0;
  margin: 1.65rem 0 0;
}

.profile-facts div {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: 92px minmax(0, 1fr);
  padding: 0.78rem 0;
}

.profile-facts div + div {
  border-top: 1px solid var(--line);
}

.profile-facts dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.profile-facts dd {
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.45;
  margin: 0;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.55rem;
}

.quick-links a {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  display: inline-flex;
  font-weight: 700;
  min-height: 42px;
  padding: 0.55rem 0.85rem;
  text-decoration: none;
  transition: border-color 160ms ease, color 160ms ease, background-color 160ms ease;
}

.quick-links a:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.portrait {
  margin: 0;
}

.portrait img {
  aspect-ratio: 4 / 5;
  border: 1px solid rgba(32, 33, 36, 0.1);
  border-radius: 8px;
  box-shadow: var(--shadow);
  height: auto;
  object-fit: cover;
  object-position: center 20%;
  width: 100%;
}

.band {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
}

.section-grid,
.contact-grid {
  display: grid;
  gap: 3rem;
  grid-template-columns: minmax(220px, 0.36fr) minmax(0, 0.64fr);
  padding-bottom: 4rem;
  padding-top: 4rem;
}

.item-list {
  display: grid;
  gap: 1rem;
}

.research-list {
  display: grid;
  gap: 3.25rem;
}

.research-group {
  display: grid;
  gap: 1.15rem;
}

.research-group > h3 {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 1rem;
  gap: 0.9rem;
  letter-spacing: 0.06em;
  margin-bottom: 0;
  text-transform: uppercase;
}

.research-group > h3::after {
  background: var(--line);
  content: "";
  flex: 1;
  height: 1px;
}

.item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 1px 0 rgba(28, 37, 34, 0.03);
  padding: 1.35rem 1.45rem;
}

.band .item {
  background: var(--bg);
}

.item h3,
.item h4 {
  color: #17211e;
}

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

.item p:last-child,
.item ul:last-child {
  margin-bottom: 0;
}

ul {
  margin: 0.4rem 0 0;
  padding-left: 1.2rem;
}

.contact-band {
  border-top: 1px solid var(--line);
}

.contact-copy {
  border-left: 3px solid var(--accent);
  padding-left: 1.25rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
  padding: 1.5rem 0;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 820px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-bottom: 0.9rem;
    padding-top: 0.9rem;
  }

  .intro-section {
    padding: 3rem 0;
  }

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

  .intro-grid {
    gap: 2rem;
  }

  h1 {
    font-size: 3rem;
  }

  .section-grid,
  .contact-grid {
    gap: 1.5rem;
    padding-bottom: 3rem;
    padding-top: 3rem;
  }

  .portrait {
    max-width: 420px;
  }
}

@media (max-width: 520px) {
  .wrap {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .nav {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  h1 {
    font-size: 2.35rem;
  }

  h2 {
    font-size: 1.65rem;
  }

  .lead {
    font-size: 1.08rem;
  }

  .profile-facts div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .quick-links a {
    width: 100%;
  }
}