:root {
  --document-width: 780px;
}

body {
  background: var(--ice);
}

.document-main {
  min-height: 100vh;
  padding: 138px var(--gutter) 88px;
  background: var(--ice);
}

.document-shell {
  width: min(var(--document-width), 100%);
  margin-inline: auto;
}

.document-intro {
  padding: 38px 0 42px;
  border-bottom: 1px solid var(--line-strong);
}

.document-intro h1 {
  font-family: "SF Pro Display", "PingFang SC", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: clamp(2.4rem, 5vw, 3.25rem);
  font-weight: 740;
  letter-spacing: -0.045em;
  line-height: 1.1;
  text-wrap: pretty;
}

.document-intro p {
  margin-top: 18px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
  text-wrap: pretty;
}

.document-meta {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
}

.document-copy section {
  padding: 36px 0;
  border-bottom: 1px solid var(--line);
}

.document-copy section:last-child {
  border-bottom-color: var(--line-strong);
}

.document-copy h2 {
  margin-bottom: 14px;
  font-size: clamp(1.4rem, 2.6vw, 1.75rem);
  font-weight: 720;
  letter-spacing: -0.025em;
  line-height: 1.25;
  text-wrap: pretty;
}

.document-copy p,
.document-copy li {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
  text-wrap: pretty;
}

.document-copy p + p {
  margin-top: 14px;
}

.document-copy ul {
  display: grid;
  gap: 8px;
  margin-top: 10px;
  padding-left: 1.25em;
}

.document-copy a {
  color: var(--signal-ink);
  font-weight: 650;
  text-underline-offset: 4px;
}

html[lang="en"] .document-intro h1,
html[lang="en"] .document-copy h2 {
  font-family: "Avenir Next", Avenir, "Segoe UI Variable Display", "Segoe UI", sans-serif;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--ice);
  color: var(--muted);
}

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

@media (max-width: 680px) {
  .document-main {
    padding-top: 98px;
    padding-bottom: 64px;
  }

  .document-intro {
    padding: 32px 0 34px;
  }

  .document-copy section {
    padding: 30px 0;
  }

  .document-copy p,
  .document-copy li {
    font-size: 16px;
  }
}