:root {
  --bg: #e5efe8;
  --bg-soft: rgba(246, 251, 247, 0.86);
  --paper: rgba(252, 255, 253, 0.94);
  --ink: #1f2a2e;
  --muted: #56656a;
  --line: rgba(31, 42, 46, 0.12);
  --accent: #6a8f73;
  --accent-deep: #3f6a51;
  --sage: #d5e6d9;
  --shadow: 0 20px 60px rgba(51, 43, 24, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(106, 143, 115, 0.28), transparent 28%),
    radial-gradient(circle at top right, rgba(149, 181, 157, 0.22), transparent 24%),
    linear-gradient(180deg, #d9e9de 0%, var(--bg) 38%, #dcebe1 100%);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(31, 42, 46, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 42, 46, 0.025) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.35), transparent 85%);
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  width: min(calc(100% - 2rem), var(--max));
  margin: 1rem auto 3rem;
}

.hero,
.section,
.panel,
.feature-card,
.contact-panel {
  backdrop-filter: blur(16px);
  animation: rise-in 700ms ease both;
}

.hero {
  background: linear-gradient(180deg, rgba(241, 250, 243, 0.92), rgba(246, 253, 248, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: calc(var(--radius-lg) + 8px);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}

.toplinks {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.toplinks a:hover,
.wordmark:hover {
  color: var(--accent-deep);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.85fr);
  gap: 2rem;
  padding: 3.5rem 1.5rem 2rem;
}

.eyebrow,
.card-label,
.meta,
.timeline-year {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.eyebrow,
.card-label,
.timeline-year {
  color: var(--accent-deep);
  font-weight: 700;
}

.hero-copy h1,
.section-heading h2,
.panel h3,
.feature-card h3,
.timeline-item h3,
.contact-panel h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 600;
  line-height: 1.06;
  margin: 0;
}

.hero-copy h1 {
  font-size: clamp(2.8rem, 5vw, 5.5rem);
  max-width: 11ch;
  margin-top: 0.35rem;
}

.lede {
  max-width: 58ch;
  font-size: 1.07rem;
  color: var(--muted);
  margin: 1.25rem 0 0;
}

.lede-secondary {
  max-width: 58ch;
  font-size: 1.07rem;
  color: var(--muted);
  margin: 1.25rem 0 0;
}

.actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 1.07rem;
  line-height: 1.6;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--ink);
  color: #fffaf4;
  box-shadow: 0 12px 30px rgba(31, 42, 46, 0.18);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(31, 42, 46, 0.12);
}

.hero-card,
.panel,
.feature-card,
.contact-panel,
.timeline-item {
  background: rgba(248, 254, 249, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 40px rgba(74, 57, 33, 0.08);
}

.hero-card {
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: auto -20% -35% auto;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(106, 143, 115, 0.24), transparent 68%);
}

.headshot {
  display: block;
  width: min(100%, 280px);
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 18%;
  border-radius: 22px;
  margin-bottom: 1rem;
  border: 1px solid rgba(31, 42, 46, 0.08);
}

.profile-list {
  display: grid;
  gap: 1rem;
  margin: 0;
}

.profile-list div {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.profile-list dt {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0.3rem;
}

.profile-list dd {
  margin: 0;
  font-weight: 600;
}

.profile-list a:hover {
  color: var(--accent-deep);
}

.section {
  margin-top: 1.25rem;
  padding: 2rem 1.5rem;
  background: var(--bg-soft);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.intro-strip {
  padding-top: 1.6rem;
  padding-bottom: 1.6rem;
}

.intro-strip p {
  margin: 0;
  max-width: 72ch;
  font-size: 1.05rem;
}

.section-heading {
  max-width: 54ch;
  margin-bottom: 1.5rem;
}

.section-heading h2 {
  font-size: clamp(2rem, 3vw, 3.15rem);
  margin-top: 0.15rem;
}

#research .section-heading h2,
#teaching .section-heading h2 {
  white-space: nowrap;
}

.card-grid,
.three-up {
  display: grid;
  gap: 1rem;
}

.card-grid {
  grid-template-columns: repeat(12, 1fr);
}

.feature-card {
  border-radius: var(--radius-md);
  padding: 1.3rem;
}

.feature-card-large {
  grid-column: span 7;
}

.feature-card:not(.feature-card-large) {
  grid-column: span 5;
}

.feature-card h3,
.panel h3,
.timeline-item h3 {
  font-size: 1.45rem;
  margin-top: 0.3rem;
}

.feature-card p,
.panel p,
.timeline-item p {
  color: var(--muted);
  margin-bottom: 0;
}

.meta {
  margin-top: 1rem;
  color: var(--accent-deep);
  font-weight: 700;
}

.two-column,
.three-up {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1rem;
}

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

.panel {
  border-radius: var(--radius-md);
  padding: 1.3rem;
}

.panel-wide {
  margin-top: 1rem;
}

.clean-list {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.clean-list li + li {
  margin-top: 0.75rem;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.teaching-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 1rem;
  padding: 1.2rem 1.3rem;
  border-radius: var(--radius-md);
}

.contact-panel {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1.5rem;
  margin-top: 1.25rem;
  padding: 1.75rem 1.5rem;
  border-radius: var(--radius-lg);
}

.contact-panel p {
  color: var(--muted);
  max-width: 56ch;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero-grid,
  .contact-panel,
  .timeline-item {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .two-column,
  .three-up,
  .teaching-row {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .feature-card-large {
    grid-column: auto;
  }

  .contact-panel {
    align-items: start;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 1rem), var(--max));
    margin-top: 0.5rem;
  }

  .topbar,
  .hero-grid,
  .section,
  .contact-panel {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero-grid {
    padding-top: 2.25rem;
  }

  .hero-copy h1 {
    max-width: none;
  }

  #research .section-heading h2,
  #teaching .section-heading h2 {
    white-space: normal;
  }
}