:root {
  --bg: #ffffff;
  --text: #15161a;
  --muted: #5d616d;
  --line: rgba(15, 16, 20, 0.1);
  --accent: #3150f0;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1014;
    --text: #ecedf1;
    --muted: #a3a7b3;
    --line: rgba(255, 255, 255, 0.1);
    --accent: #8ea2ff;
  }
}

* {
  box-sizing: border-box;
}

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

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 650;
  font-size: 20px;
  color: inherit;
  text-decoration: none;
}

.brand img {
  width: 36px;
  height: 36px;
}

h1 {
  font-size: 44px;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin: 48px 0 16px;
}

h2 {
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 40px 0 8px;
}

.lead {
  font-size: 20px;
  color: var(--muted);
  margin: 0 0 28px;
}

.button {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  background: #3150f0;
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}

.hero {
  display: block;
  width: 100%;
  margin: 40px 0 8px;
  border-radius: 14px;
  border: 1px solid var(--line);
}

ul {
  padding-left: 22px;
}

li {
  margin: 6px 0;
}

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

footer {
  margin-top: 64px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}

footer a {
  color: inherit;
  margin-right: 16px;
}