:root {
  --bg: #000;
  --text: #fff;
  --muted: rgba(255, 255, 255, 0.64);
  --line: rgba(255, 255, 255, 0.12);
  --accent: #ff453a;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, 'SF Pro Text', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 64px 24px 32px;
}

a {
  color: var(--text);
}

h1 {
  font-size: 40px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

h2 {
  font-size: 20px;
  margin: 40px 0 8px;
}

p,
li {
  color: var(--muted);
}

strong {
  color: var(--text);
}

.updated {
  font-size: 14px;
}

.back {
  display: inline-block;
  margin-bottom: 32px;
  color: var(--muted);
  text-decoration: none;
}

/* Landing page */

.hero {
  text-align: center;
  padding-top: 48px;
}

.hero img {
  width: 112px;
  height: 112px;
  border-radius: 25px;
}

.hero h1 {
  font-size: 56px;
  margin-top: 24px;
}

.tagline {
  font-size: 22px;
  color: var(--text);
  margin: 0 0 32px;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 999px;
}

.features {
  list-style: none;
  padding: 0;
  margin: 72px 0 0;
  display: grid;
  gap: 16px;
}

.features li {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px 24px;
}

.features strong {
  display: block;
  margin-bottom: 4px;
}

footer {
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 24px 48px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 15px;
}

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

footer a:hover,
.back:hover {
  color: var(--text);
}