:root {
  --green:   #4caf7d;
  --green-dk:#357a57;
  --bg:      #f9faf7;
  --surface: #ffffff;
  --text:    #1a2117;
  --muted:   #5a6b55;
  --border:  #e2ece0;
  --radius:  12px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

/* ── Header ── */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #6fcf97, #27ae60);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--green-dk);
  letter-spacing: -0.3px;
}

/* ── Footer ── */
footer {
  text-align: center;
  padding: 32px 24px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

footer a { color: var(--green-dk); text-decoration: none; }
footer a:hover { text-decoration: underline; }