:root {
  color-scheme: light dark;
  --background: #f5f5f7;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --card: #ffffff;
  --line: rgba(0, 0, 0, 0.12);
  --blue: #007aff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #000000;
    --text: #f5f5f7;
    --muted: #a1a1a6;
    --card: #1c1c1e;
    --line: rgba(255, 255, 255, 0.16);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  width: min(860px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 64px;
}

.topnav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  font-weight: 600;
}

.navlinks {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
}

.hero,
.content,
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px;
}

.hero {
  margin-top: 40px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(36px, 7vw, 64px);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin: 32px 0 12px;
  font-size: 24px;
}

p {
  margin: 0 0 14px;
  font-size: 17px;
}

.lead {
  max-width: 640px;
  color: var(--muted);
  font-size: 21px;
}

.updated {
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.actions a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--blue);
  color: #ffffff;
  font-weight: 700;
}

.card {
  margin-top: 20px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 14px;
}

hr {
  margin: 34px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

@media (max-width: 560px) {
  .page {
    width: min(100% - 24px, 860px);
    padding-top: 24px;
  }

  .hero,
  .content,
  .card {
    border-radius: 16px;
    padding: 22px;
  }
}