:root {
  --ink: #1c1a17;
  --ink-soft: #4a453e;
  --paper: #faf7f2;
  --paper-dim: #f1ece3;
  --rule: #ddd6c8;
  --accent: #7a5c3e;
  --max-width: 720px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: ui-serif, "New York", Georgia, "Times New Roman", serif;
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
  letter-spacing: 0.01em;
}

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

a:hover {
  text-decoration-color: var(--accent);
}

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

header.site {
  border-bottom: 1px solid var(--rule);
  padding: 20px 0;
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: ui-serif, "New York", Georgia, serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

.brand .mark {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  display: block;
  object-fit: cover;
}

nav.site-nav {
  display: flex;
  gap: 22px;
}

nav.site-nav a {
  color: var(--ink-soft);
  font-size: 15px;
  text-decoration: none;
}

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

main {
  padding: 64px 0 96px;
}

.hero {
  text-align: center;
  padding: 40px 0 56px;
}

.hero h1 {
  font-size: 40px;
  margin: 0 0 16px;
}

.hero p.lede {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 480px;
  margin: 0 auto 32px;
}

.hero-badges {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--ink);
  color: var(--ink);
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 15px;
  text-decoration: none;
  font-weight: 500;
}

.badge:hover {
  background: var(--ink);
  color: var(--paper);
}

.badge.disabled {
  opacity: 0.45;
  pointer-events: none;
}

section.feature-strip {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 48px 0;
  margin: 8px 0 56px;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature h3 {
  font-size: 18px;
  margin: 0 0 8px;
}

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

.callout {
  background: var(--paper-dim);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 24px 28px;
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 48px;
}

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

article h2 {
  font-size: 24px;
  margin: 40px 0 12px;
}

article h2:first-child {
  margin-top: 0;
}

article p, article li {
  color: var(--ink-soft);
  font-size: 16px;
}

article ul {
  padding-left: 20px;
}

.updated {
  color: var(--ink-soft);
  font-size: 14px;
  margin-bottom: 40px;
}

.page-title {
  font-size: 34px;
  margin-bottom: 6px;
}

footer.site {
  border-top: 1px solid var(--rule);
  padding: 28px 0;
}

footer.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

footer.site p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

footer.site nav {
  display: flex;
  gap: 18px;
}

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

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

@media (max-width: 640px) {
  .features {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .hero h1 {
    font-size: 32px;
  }
  header.site .wrap {
    flex-direction: column;
    gap: 14px;
  }
  footer.site .wrap {
    flex-direction: column;
    align-items: flex-start;
  }
}