:root {
  --bg: #f6f8fa;
  --surface: #ffffff;
  --text: #1c2432;
  --muted: #5b6676;
  --brand: #04a98d;
  --navy: #1c2432;
  --border: #e3e8ee;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e141b;
    --surface: #141c24;
    --text: #e8edf2;
    --muted: #9aa6b4;
    --brand: #2fd1b2;
    --border: #243040;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px;
}

header {
  background: var(--navy);
  color: #fff;
  padding: 20px 0;
}

header .wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

header img { width: 44px; height: 44px; }

header a {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
}

main { padding: 32px 0 48px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 1.2rem; margin: 28px 0 8px; }
.muted { color: var(--muted); }

.hero { text-align: center; padding: 16px 0 8px; }
.hero img { width: 112px; height: 112px; }

ul { padding-left: 1.2em; }
li { margin: 4px 0; }

.links { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 20px; }
.button {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--brand);
  text-decoration: none;
  font-weight: 600;
}

footer {
  border-top: 1px solid var(--border);
  padding: 20px 0 32px;
  font-size: 0.9rem;
}