:root {
  --bg: #f4efe7;
  --bg-alt: #e5efe7;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #ffffff;
  --text: #17201f;
  --muted: #566360;
  --border: rgba(23, 32, 31, 0.1);
  --accent: #0d6b57;
  --accent-strong: #084c3d;
  --shadow: 0 18px 40px rgba(23, 32, 31, 0.08);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(13, 107, 87, 0.12), transparent 28%),
    linear-gradient(180deg, #f8f4ed 0%, var(--bg) 45%, #eef5f0 100%);
  line-height: 1.6;
}

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

a {
  color: var(--accent-strong);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.15em;
}

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

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.narrow {
  width: min(calc(100% - 2rem), 820px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(248, 244, 237, 0.82);
  border-bottom: 1px solid rgba(23, 32, 31, 0.08);
}

.site-header-compact {
  position: static;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.wordmark {
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--text);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
}

.hero {
  padding: 4rem 0 2rem;
}

.hero-grid,
.two-column,
.footer-grid {
  display: grid;
  gap: 2rem;
}

.hero-grid {
  grid-template-columns: 1.3fr 0.9fr;
  align-items: center;
}

.hero-copy h1,
.section-heading h1,
.section-heading h2,
.card h2,
.card h3,
.site-footer h2 {
  font-family: "IBM Plex Serif", serif;
  line-height: 1.1;
  margin: 0;
}

.hero-copy h1 {
  font-size: clamp(2.8rem, 5vw, 4.8rem);
  margin-top: 0.4rem;
  max-width: 12ch;
}

.lede,
.section-heading p,
.card p,
.prose p,
.publication-item p {
  color: var(--muted);
  font-size: 1.05rem;
}

.eyebrow,
.card-label,
.event-time {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.8rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
}

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

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

.button-secondary {
  background: rgba(255, 255, 255, 0.65);
  border-color: var(--border);
  color: var(--text);
}

.hero-media {
  justify-self: end;
  max-width: 420px;
}

.hero-media img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 4;
  object-fit: cover;
}

.caption {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  padding: 2.5rem 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(229, 239, 231, 0.24), rgba(229, 239, 231, 0.5));
}

.section-heading {
  max-width: 760px;
  margin-bottom: 1.5rem;
}

.section-heading h1,
.section-heading h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  margin-top: 0.35rem;
}

.two-column {
  grid-template-columns: 1.4fr 0.8fr;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.compact-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.section-link-row {
  margin: 1.5rem 0 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  box-shadow: var(--shadow);
}

.placeholder {
  border-style: dashed;
}

.link-card {
  text-decoration: none;
  font-weight: 600;
  color: var(--text);
}

.plain-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

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

.text-link {
  font-weight: 600;
}

.publication-item h2 {
  font-size: 1.25rem;
}

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

.event-item + .event-item {
  margin-top: 1.5rem;
}

.site-footer {
  padding: 2.5rem 0 4rem;
}

.footer-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid rgba(23, 32, 31, 0.1);
  padding-top: 1.5rem;
}

@media (max-width: 960px) {
  .hero-grid,
  .two-column,
  .footer-grid,
  .card-grid,
  .compact-grid {
    grid-template-columns: 1fr;
  }

  .hero-media {
    justify-self: start;
  }
}

@media (max-width: 640px) {
  .site-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .container,
  .narrow {
    width: min(calc(100% - 1.25rem), var(--container));
  }

  .card,
  .hero-media img {
    border-radius: 16px;
  }
}