:root {
  --bg: #f6f1ea;
  --paper: #fffdf8;
  --ink: #202020;
  --muted: #685f55;
  --line: #ded3c4;
  --accent: #8d4f3a;
  --green: #496c66;
  --green-soft: #e8f0ed;
  --gold-soft: #f3e2c4;
  --shadow: 0 18px 44px rgba(67, 48, 36, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  line-height: 1.68;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: #5f2f22;
}

.wrap {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(246, 241, 234, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 22px;
}

.brand {
  color: var(--ink);
  font-size: 30px;
  font-weight: 700;
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 14px;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.top-nav a {
  color: var(--ink);
}

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

.hero {
  padding: 72px 0 32px;
  scroll-margin-top: 90px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.hero-copy,
.section-block,
.member-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 44px 48px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-family: Helvetica, Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  font-size: 46px;
  line-height: 1.12;
}

h2 {
  margin-bottom: 18px;
  font-size: 34px;
  line-height: 1.18;
}

h3 {
  margin-bottom: 8px;
  font-size: 21px;
  line-height: 1.25;
}

h4 {
  margin-bottom: 5px;
  font-size: 20px;
  line-height: 1.25;
}

p {
  margin-bottom: 16px;
}

.hero-copy p,
.section-block p,
.section-intro p,
.member-card p {
  color: var(--muted);
}

.hero-statement {
  color: var(--ink);
  font-size: 21px;
  line-height: 1.45;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  min-height: 42px;
  padding: 9px 15px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: #ffffff;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
}

.button:hover {
  border-color: #5f2f22;
  background: #5f2f22;
  color: #ffffff;
}

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

.button.secondary:hover {
  background: var(--gold-soft);
  color: #5f2f22;
}

.section-block {
  padding: 34px 38px;
  margin: 26px auto;
  scroll-margin-top: 100px;
}

.members-section {
  margin: 36px auto;
  scroll-margin-top: 100px;
}

.section-intro {
  max-width: 780px;
  margin-bottom: 18px;
}

.members-section .eyebrow {
  margin-bottom: 6px;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 38px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.15;
  text-transform: none;
}

.lab-members-heading {
  margin-top: 34px;
  margin-bottom: 12px;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.3;
  text-transform: none;
}

.member-group {
  margin-top: 28px;
}

.member-group h3 {
  color: var(--accent);
}

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

.pi-grid {
  grid-template-columns: minmax(0, 620px);
}

.pi-card {
  grid-template-columns: 190px minmax(0, 1fr);
  align-items: center;
  min-height: 0;
  padding: 22px;
}

.pi-card img {
  width: 190px;
  border-radius: 14px;
}

.pi-card h4 {
  margin-bottom: 7px;
  font-size: 34px;
}

.pi-card .institution {
  font-size: 18px;
  line-height: 1.45;
}

.name-link {
  display: inline-flex;
  align-items: flex-start;
  gap: 7px;
  color: var(--ink);
}

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

.external-icon {
  margin-top: 3px;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1;
}

.member-card {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 17px;
  min-height: 246px;
  padding: 16px;
}

.member-card img,
.photo-placeholder {
  width: 132px;
  aspect-ratio: 1 / 1;
  border-radius: 14px;
  object-fit: cover;
  object-position: center top;
  background: #eadfd4;
}

.photo-placeholder {
  display: grid;
  place-items: center;
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), var(--green));
  font-family: Helvetica, Arial, sans-serif;
  font-size: 34px;
  font-weight: 700;
}

.role {
  display: inline-flex;
  margin-bottom: 8px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--green);
  color: #ffffff;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.35;
  text-transform: uppercase;
}

.institution {
  margin-bottom: 9px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}

.project,
.areas {
  margin-bottom: 9px;
  font-size: 14px;
  line-height: 1.48;
}

.areas {
  display: inline;
  padding: 2px 0;
  color: #39544f;
  background: linear-gradient(transparent 55%, var(--green-soft) 55%);
}

.apply-section {
  margin-bottom: 72px;
}

.apply-section .button {
  margin: 4px 8px 0 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  padding: 24px 0 34px;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .nav-wrap {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .top-nav {
    justify-content: flex-start;
  }

  .hero {
    padding-top: 36px;
  }

  .hero-grid,
  .member-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 16px;
  }

  .wrap {
    width: min(100% - 28px, 1120px);
  }

  .hero-copy,
  .section-block {
    padding: 25px 22px;
  }

  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 27px;
  }

  .member-card {
    grid-template-columns: 96px minmax(0, 1fr);
    min-height: 0;
    gap: 13px;
    padding: 14px;
  }

  .member-card img,
  .photo-placeholder {
    width: 96px;
    border-radius: 12px;
  }
}

@media (max-width: 430px) {
  .member-card {
    grid-template-columns: 1fr;
  }

  .member-card img,
  .photo-placeholder {
    width: 100%;
    max-width: 190px;
  }
}