:root {
  --paper: #f3eee4;
  --paper-deep: #e7e0d2;
  --ink: #1c1914;
  --ink-soft: #4a4338;
  --green: #1e4636;
  --green-deep: #143028;
  --line: #d5cdb8;
  --gold: #8d6b32;
  --max: 72rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(ellipse at top, #faf7f1 0%, var(--paper) 42%, #ebe4d6 100%);
  font-family: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1.05rem;
  line-height: 1.6;
}

a { color: var(--green); }
a:hover { color: var(--green-deep); }

.wrap {
  width: min(var(--max), calc(100% - 2.5rem));
  margin: 0 auto;
}

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 0 0.9rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--ink);
  text-decoration: none;
  font-family: Palatino, "Palatino Linotype", "Iowan Old Style", Georgia, serif;
  font-size: 1.25rem;
  letter-spacing: 0.01em;
}

nav { display: flex; flex-wrap: wrap; gap: 1.1rem; }
nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.92rem;
}
nav a:hover { color: var(--ink); }

.hero { padding: 4.5rem 0 2.5rem; max-width: 46rem; }
.kicker {
  margin: 0 0 0.8rem;
  color: var(--gold);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
h1, h2, h3 {
  font-family: Palatino, "Palatino Linotype", "Iowan Old Style", Georgia, serif;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
h1 { margin: 0; font-size: clamp(2.6rem, 6vw, 4.6rem); }
.lede { margin: 1.4rem 0 0; font-size: 1.2rem; color: var(--ink-soft); max-width: 40rem; }
.formula {
  margin: 1.6rem 0 0;
  color: var(--green);
  font-family: Palatino, "Palatino Linotype", Georgia, serif;
  font-size: 1.35rem;
}
.actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2rem; }
.button, .button-quiet {
  display: inline-block;
  padding: 0.72rem 1.1rem;
  text-decoration: none;
  border-radius: 999px;
}
.button { background: var(--green); color: #f7f3ea; }
.button:hover { background: var(--green-deep); color: #fff; }
.button-quiet { color: var(--ink); border: 1px solid var(--line); background: transparent; }
.button-quiet:hover { border-color: var(--ink-soft); }

section { padding: 2.2rem 0; }
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.card, .path {
  background: rgba(255, 252, 246, 0.72);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.25rem 1.3rem 1.35rem;
}
.card h2, .path h3 { margin: 0 0 0.45rem; font-size: 1.45rem; }
.card p, .path p, .prose p { margin: 0.4rem 0 0; color: var(--ink-soft); }
.paths {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin-top: 1.2rem;
}
.path strong { display: block; color: var(--ink); font-weight: 600; }
.note {
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}
footer.site {
  margin-top: 2rem;
  padding: 1.6rem 0 2.4rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.4rem;
  justify-content: space-between;
}
footer.site a { color: var(--ink-soft); }

.doc { padding: 2.5rem 0 3rem; max-width: 46rem; }
.doc h1 { font-size: clamp(2.2rem, 4vw, 3.2rem); margin-bottom: 0.4rem; }
.doc h2 { font-size: 1.45rem; margin: 2rem 0 0.4rem; }
.doc p, .doc li { color: var(--ink-soft); }
.doc ul { padding-left: 1.2rem; }
.source {
  margin-top: 0.6rem;
  font-size: 0.95rem;
}

@media (max-width: 800px) {
  .grid, .paths { grid-template-columns: 1fr; }
  .hero { padding-top: 2.6rem; }
  header.site { align-items: flex-start; flex-direction: column; gap: 0.6rem; }
}