:root {
  --bg: #f4f0e6;
  --surface: #ffffff;
  --ink: #15130f;
  --ink-soft: #6b6660;
  --line: #e4dfd2;
  --accent: #f55c5c;
  --radius: 12px;
  --max: 720px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 64px 24px 96px;
}

header.site {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

header.site .brand {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.2px;
  color: var(--ink);
  text-decoration: none;
}

header.site nav a {
  color: var(--ink-soft);
  text-decoration: none;
  margin-left: 18px;
  font-size: 14px;
}

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

h1 {
  font-size: 40px;
  line-height: 1.1;
  letter-spacing: -0.5px;
  margin: 24px 0 16px;
}

h2 {
  font-size: 22px;
  letter-spacing: -0.3px;
  margin: 40px 0 12px;
}

h3 {
  font-size: 16px;
  letter-spacing: -0.2px;
  margin: 24px 0 8px;
  color: var(--ink);
}

p, li { color: var(--ink); }
p { margin: 0 0 16px; }

ul { padding-left: 22px; margin: 0 0 16px; }
li { margin-bottom: 6px; }

.lede {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 620px;
}

.muted { color: var(--ink-soft); font-size: 13px; }
.mono  { font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace; font-size: 13px; }

a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 40px 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 16px;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 32px 0;
}

@media (min-width: 640px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
  h1 { font-size: 52px; }
}

footer.site {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px 24px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-soft);
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

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