:root {
  --paper: #f4f5f2;
  --ink: #1a211c;
  --green: #1b3328;
  --muted: #5c6560;
  --line: rgba(27, 51, 40, 0.16);
  --sans: "Avenir Next", Futura, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { background: var(--paper); scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1.25rem;
  line-height: 1.55;
}

a { color: inherit; text-underline-offset: 0.18em; }

a:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: 0.25rem;
}

.page {
  max-width: 46rem;
  margin: 0 auto;
  padding: 14vh 1.75rem 6rem;
}

.mark {
  margin: 0;
  color: var(--green);
  font-weight: 200;
  font-size: clamp(2.4rem, 7vw, 4.25rem);
  letter-spacing: 0.38em;
  text-transform: uppercase;
  line-height: 1;
  text-indent: 0.38em;
}

.tag { margin: 1.5rem 0 0; font-size: 1.35rem; }

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.35rem 1.75rem;
  margin-top: 2.25rem;
  color: var(--green);
  font-weight: 200;
  font-size: 0.95rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

nav a { text-decoration: none; }
nav a:hover { text-decoration: underline; }

.lead {
  margin: 4.75rem 0 0;
  max-width: 40rem;
  font-size: 1.5rem;
  line-height: 1.45;
}

section {
  margin-top: 6.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}

section h2 {
  margin: 0;
  color: var(--green);
  font-weight: 200;
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  text-indent: 0.28em;
}

section p {
  margin: 1.35rem 0 0;
  max-width: 40rem;
}

section p + p { margin-top: 1.1rem; }

.lead.next,
.contact-line {
  margin-top: 1.35rem;
  font-size: 1.5rem;
  line-height: 1.45;
}

.contact {
  margin: 1.5rem 0 0;
  color: var(--green);
  font-weight: 200;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  letter-spacing: 0.08em;
}

.contact a { text-decoration-thickness: 1px; }

footer {
  margin: 6rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
}

@media (max-width: 640px) {
  body { font-size: 1.1rem; }
  .page { padding-top: 10vh; }
  .mark { letter-spacing: 0.16em; text-indent: 0.16em; }
  .lead, .lead.next, .contact-line { font-size: 1.25rem; }
  section { margin-top: 4.5rem; }
  section h2 { letter-spacing: 0.16em; text-indent: 0.16em; }
  nav { letter-spacing: 0.14em; }
}