:root {
  --bg: #f6f8f6;
  --text: #17231c;
  --muted: #55665b;
  --accent: #1f7a4a;
  --card: #ffffff;
  --line: #dde5df;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1a13;
    --text: #e8efe9;
    --muted: #a3b3a8;
    --accent: #3fbf7a;
    --card: #15241b;
    --line: #24392c;
  }
}
* { 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;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 48px 16px; }
.hero { text-align: center; margin-bottom: 40px; }
.icon { width: 96px; height: 96px; border-radius: 22px; margin-bottom: 12px; }
h1 { font-size: 2.2rem; margin: 0 0 8px; }
h2 { font-size: 1.25rem; margin: 32px 0 8px; }
.tagline { color: var(--muted); font-size: 1.1rem; margin: 0 0 24px; }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px;
  background: var(--accent); color: #fff; text-decoration: none; font-weight: 600;
}
a { color: var(--accent); }
.meta { color: var(--muted); font-size: 0.9rem; }
footer {
  margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 16px; font-size: 0.95rem;
}