:root {
  --bg: #faf6ee;
  --surface: #fffaf0;
  --ink: #1f1c17;
  --muted: #6b6357;
  --rule: #e8dfcf;
  --accent: #c0631c;
  --accent-soft: #f4e2cd;
  --max-width: 720px;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "IBM Plex Serif", Georgia, "Times New Roman", serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px 96px;
}

header.site {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0 32px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 40px;
}

header.site .logo {
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

header.site nav {
  display: flex;
  gap: 18px;
  font-size: 15px;
}

header.site nav a {
  color: var(--muted);
  text-decoration: none;
}

header.site nav a:hover {
  color: var(--accent);
}

h1, h2, h3 {
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}

h1 {
  font-size: 38px;
  line-height: 1.15;
  margin: 0 0 12px;
}

h2 {
  font-size: 22px;
  margin: 40px 0 12px;
}

h3 {
  font-size: 18px;
  margin: 28px 0 6px;
}

p {
  margin: 0 0 16px;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

ul {
  padding-left: 22px;
  margin: 0 0 16px;
}

li {
  margin: 4px 0;
}

.lead {
  font-size: 19px;
  color: var(--muted);
  margin-bottom: 28px;
}

.muted {
  color: var(--muted);
  font-size: 14px;
}

.callout {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 24px 0;
}

.callout strong {
  color: var(--accent);
}

.cta {
  display: inline-block;
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 500;
  margin: 8px 0;
}

.cta:hover {
  background: var(--accent);
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 32px 0;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.feature h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

footer.site {
  margin-top: 80px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

footer.site a {
  color: var(--muted);
}

@media (max-width: 540px) {
  h1 { font-size: 30px; }
  h2 { font-size: 20px; }
  .feature-grid { grid-template-columns: 1fr; }
  .wrap { padding: 24px 18px 64px; }
}