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

body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
  color: #333;
  line-height: 1.6;
}

header {
  background: #28a745;
  color: white;
  text-align: center;
  padding: 20px 15px;
}

header .logo {
  width: 100px;
  margin-bottom: 10px;
}

header h1 {
  font-size: 2em;
  margin-bottom: 8px;
}

header p {
  font-size: 1.1em;
  margin-bottom: 15px;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: 40px auto;
  text-align: center;
}

h2 {
  color: #28a745;
  margin-bottom: 20px;
  font-size: 1.8em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.card {
  background: white;
  border-radius: 10px;
  padding: 15px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.card img {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 10px;
}

.btn {
  display: inline-block;
  background: #28a745;
  color: white;
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none;
  margin-top: 10px;
  transition: background 0.3s ease;
}

.btn:hover {
  background: #218838;
}

.pix {
  width: 180px;
  margin: 20px auto;
  display: block;
}

footer {
  background: #28a745;
  color: white;
  text-align: center;
  padding: 20px;
  font-size: 0.9em;
}

.whatsapp {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25d366;
  color: white;
  border-radius: 50%;
  padding: 15px;
  font-size: 24px;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  transition: background 0.3s ease;
}

.whatsapp:hover {
  background: #20b955;
}