:root {
  color-scheme: light dark;
  --background: #ffffff;
  --secondary-background: #f2f2f7;
  --label: #1c1c1e;
  --secondary-label: #6c6c70;
  --separator: #d1d1d6;
  --accent: #ff3b30;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #000000;
    --secondary-background: #1c1c1e;
    --label: #f2f2f7;
    --secondary-label: #98989f;
    --separator: #38383a;
    --accent: #ff453a;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--label);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", sans-serif;
  -webkit-text-size-adjust: 100%;
}

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

a:hover {
  text-decoration: underline;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

header.site .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--label);
  font-weight: 600;
}

header.site .brand img {
  width: 32px;
  height: 32px;
  border-radius: 7px;
}

header.site nav {
  display: flex;
  gap: 20px;
  font-size: 15px;
}

.hero {
  padding: 48px 0 40px;
  text-align: center;
}

.hero img {
  width: 112px;
  height: 112px;
  border-radius: 25px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.hero h1 {
  margin: 24px 0 8px;
  font-size: 44px;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero p {
  margin: 0 auto;
  max-width: 520px;
  color: var(--secondary-label);
  font-size: 20px;
}

h1 {
  margin: 32px 0 8px;
  font-size: 34px;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h2 {
  margin: 40px 0 8px;
  font-size: 22px;
}

.meta {
  margin: 0;
  color: var(--secondary-label);
  font-size: 15px;
}

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

.features li {
  padding: 20px 24px;
  border-radius: 16px;
  background: var(--secondary-background);
}

.features h3 {
  margin: 0 0 4px;
  font-size: 17px;
}

.features p {
  margin: 0;
  color: var(--secondary-label);
}

ol,
ul {
  padding-left: 1.3em;
}

li + li {
  margin-top: 6px;
}

.features li + li {
  margin-top: 0;
}

footer.site {
  margin-top: 64px;
  padding: 24px 0 40px;
  border-top: 1px solid var(--separator);
  color: var(--secondary-label);
  font-size: 13px;
}

footer.site p {
  margin: 4px 0;
}

footer.site nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 15px;
}