:root {
  --ink: #1c1915;
  --muted: #5e584e;
  --line: #e6dfd2;
  --paper: #f7f4ee;
  --card: #fffcf7;
  --accent: #1e4d3a;
  --accent-soft: #e7f0ea;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}
a { color: var(--accent); }
.wrap { max-width: 46rem; margin: 0 auto; padding: 0 1.25rem; }
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.mark {
  color: var(--ink);
  font-weight: 650;
  text-decoration: none;
  letter-spacing: -0.02em;
}
nav { display: flex; gap: 1rem; font-size: 0.95rem; }
nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"], nav a:hover { color: var(--ink); }
.hero { padding: 2.75rem 0 1.5rem; }
.eyebrow {
  margin: 0 0 0.6rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
h1 { font-size: 2.4rem; line-height: 1.1; letter-spacing: -0.03em; margin: 0 0 0.8rem; }
.lead { font-size: 1.2rem; margin: 0 0 0.8rem; }
.quiet { color: var(--muted); }
.grid { display: grid; grid-template-columns: 1fr; gap: 0.75rem; margin: 1.5rem 0 2rem; }
.card, .panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem 1.1rem;
}
.card h2, .panel h2 { font-size: 1.05rem; margin: 0 0 0.35rem; }
.card p, .panel p { margin: 0; }
.panel { margin: 0 0 0.75rem; }
h2.section { font-size: 1.35rem; margin: 2rem 0 0.75rem; }
footer {
  margin-top: 2.5rem;
  padding: 1.25rem 0 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}
footer p { margin: 0.2rem 0; }
.prose h1 { font-size: 2rem; }
.prose h2 { font-size: 1.15rem; margin-top: 1.6rem; }
.follow { margin-top: 0.6rem; }
.mail {
  display: inline-block;
  margin-top: 0.4rem;
  background: var(--accent-soft);
  padding: 0.35rem 0.6rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
}
@media (min-width: 700px) {
  .grid { grid-template-columns: 1fr 1fr 1fr; }
  .plans { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
}