:root {
  --primary: #29f300;
  --secondary: #0c9ba0;
  --bg: #f9fafb;
  --text: #111827;
  --muted: #6b7280;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family:
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Arial;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
header {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  padding: 80px 20px;
  text-align: center;
}
header h1 {
  margin: 0;
  font-size: 2.5rem;
}
header p {
  font-size: 1.2rem;
  margin-top: 12px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px;
}
section {
  margin-bottom: 60px;
}
h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--primary);
}
.card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  padding: 24px;
  margin-bottom: 20px;
}
.grid {
  display: grid;
  gap: 20px;
}
.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}
.feature {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  padding: 20px;
  text-align: center;
}
.feature h3 {
  margin: 10px 0;
  color: var(--secondary);
}
.contact p {
  margin: 6px 0;
}
a {
  color: var(--secondary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
footer {
  background: #111;
  color: #ccc;
  text-align: center;
  padding: 30px 20px;
}
footer a {
  color: #ccc;
  margin: 0 8px;
  font-size: 0.9rem;
}
@media (max-width: 600px) {
  header h1 {
    font-size: 2rem;
  }
  header p {
    font-size: 1rem;
  }
}