:root {
  --paper: #f7f5ef;
  --ink: #1d211d;
  --muted: #5d665f;
  --line: #cfd3ca;
  --accent: #315b43;
  --measure: 72rem;
}

* { box-sizing: border-box; }

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 2rem;
  color: var(--ink);
  background: var(--paper);
  font: 1.05rem/1.65 Arial, Helvetica, sans-serif;
}

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

a:hover { text-decoration-thickness: 2px; }

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.site-header,
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.site-header {
  min-height: 6rem;
  border-bottom: 1px solid var(--line);
}

.name {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.3rem;
  font-weight: 700;
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

nav a { min-height: 44px; display: inline-flex; align-items: center; }

main { padding: 6rem 0; }

.intro {
  max-width: 56rem;
  margin-bottom: 8rem;
}

.eyebrow {
  margin: 0 0 1.25rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: Georgia, "Times New Roman", serif;
  text-wrap: balance;
}

h1 {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(2.8rem, 7vw, 6.2rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.summary {
  max-width: 42rem;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.5;
}

.social-links {
  margin-top: 1.5rem;
  font-weight: 700;
}

main > section:not(.intro) {
  display: grid;
  grid-template-columns: minmax(10rem, 1fr) minmax(0, 3fr);
  gap: 3rem;
  padding: 3rem 0;
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0;
  font-size: 1.45rem;
}

h3 {
  margin: 2rem 0 0.5rem;
  font-size: 1.1rem;
}

.section-body { max-width: 45rem; }
.section-body > :first-child { margin-top: 0; }
ul { padding-left: 1.25rem; }
li + li { margin-top: 0.45rem; }

.presentation + .presentation {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.presentation h3 { margin: 0.35rem 0 0.4rem; }
.presentation p { margin: 0; }

.event-meta {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

footer p { margin: 0; }

@media (max-width: 700px) {
  body { padding: 0 1.25rem; }
  .site-header { align-items: flex-start; flex-direction: column; padding: 1.5rem 0; }
  main { padding: 4rem 0; }
  .intro { margin-bottom: 5rem; }
  main > section:not(.intro) { grid-template-columns: 1fr; gap: 1.25rem; }
  footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}