:root {
  --bg: #f4f8f1;
  --surface: #ffffff;
  --text: #1c2a1e;
  --muted: #55665a;
  --accent: #2e7d32;
  --border: #d6e2d3;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111811;
    --surface: #1a231b;
    --text: #e3ece2;
    --muted: #a3b3a5;
    --accent: #81c784;
    --border: #2c3a2d;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

header,
main,
footer {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 16px;
}

header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 24px;
}

header img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

header a {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

main {
  padding-top: 24px;
  padding-bottom: 48px;
}

footer {
  padding-bottom: 32px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

h1 {
  font-size: 28px;
  line-height: 1.25;
}

.hero {
  text-align: center;
  padding-top: 32px;
}

.hero img.icon {
  width: 160px;
  height: 160px;
  border-radius: 36px;
  box-shadow: 0 8px 24px rgb(0 0 0 / 12%);
}

.hero h1 {
  margin: 24px 0 8px;
  font-size: 36px;
}

.hero p {
  margin: 0 auto 32px;
  max-width: 28rem;
  color: var(--muted);
}

.hero .badge img {
  width: 200px;
}

h2 {
  margin-top: 32px;
  font-size: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px 20px;
}