/* deploy/landing/cleancity.css */
:root {
  --green: #2f8f4e;
  --bg: #f5f7f4;
  --text: #1a1f1a;
  --muted: #5a655a;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
}
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}
h1 {
  font-size: 40px;
  margin: 0 0 8px;
  color: var(--green);
}
.tagline {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 32px;
}
h2 {
  font-size: 22px;
  margin: 32px 0 12px;
}
.install {
  background: white;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.qr-wrap {
  display: flex;
  justify-content: center;
  margin: 20px 0;
}
.qr-wrap img {
  border: 1px solid #e0e6e0;
  border-radius: 8px;
  padding: 12px;
  background: white;
}
.btn {
  display: inline-block;
  background: var(--green);
  color: white;
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 16px;
}
.btn:hover { opacity: 0.9; }
details {
  margin-top: 16px;
  font-size: 14px;
  color: var(--muted);
}
details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
}
details code {
  background: #eef2ee;
  padding: 1px 6px;
  border-radius: 4px;
}
.about p {
  color: var(--muted);
}
footer {
  margin-top: 48px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}