:root {
  --green: #1f9d6b;
  --green-dark: #147a52;
  --green-soft: #e3f5ec;
  --bg: #f6f8f7;
  --surface: #ffffff;
  --text: #13201a;
  --muted: #62706a;
  --border: #e1e7e4;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--green-dark); }
header {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 820px;
  margin: 0 auto;
  padding: 20px 16px;
}
header img { width: 40px; height: 40px; border-radius: 10px; }
header a { color: var(--text); font-weight: 800; font-size: 18px; text-decoration: none; }
main { max-width: 820px; margin: 0 auto; padding: 0 16px 48px; }
h1 { font-size: clamp(28px, 6vw, 42px); line-height: 1.15; margin: 24px 0 12px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
.lead { font-size: 18px; color: var(--muted); max-width: 620px; }
.button {
  display: inline-block;
  background: var(--green);
  color: #fff;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: 999px;
  text-decoration: none;
  margin: 8px 0;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin: 24px 0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 16px; }
.card h3 { margin: 4px 0; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.note { background: var(--green-soft); border-radius: 12px; padding: 12px 16px; color: var(--green-dark); }
footer {
  max-width: 820px;
  margin: 0 auto;
  padding: 24px 16px 40px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}
footer a { margin-right: 16px; }