* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 30px;
  background: #222;
  color: #fff;
}
header .logo {
  font-size: 1.5rem;
  font-weight: bold;
}
nav a {
  color: #fff;
  margin: 0 10px;
  text-decoration: none;
}
nav a.active, nav a:hover {
  color: #f39c12;
}
.banner {
  text-align: center;
  padding: 80px 20px;
  background: url('assets/banner.jpg') center/cover no-repeat;
  color: #fff;
}
.banner .btn {
  display: inline-block;
  margin-top: 15px;
  padding: 10px 20px;
  background: #f39c12;
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
}
.destaques {
  padding: 40px 20px;
  text-align: center;
}
.cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}
.card {
  background: #f4f4f4;
  padding: 20px;
  border-radius: 8px;
  width: 250px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.content {
  padding: 40px 20px;
  max-width: 900px;
  margin: auto;
}
form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
form input, form textarea, form button {
  padding: 10px;
  font-size: 1rem;
}
form button {
  background: #f39c12;
  color: #fff;
  border: none;
  cursor: pointer;
}
footer {
  background: #222;
  color: #fff;
  text-align: center;
  padding: 15px;
  margin-top: 30px;
}
.whatsapp-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25d366;
  color: #fff;
  padding: 15px;
  border-radius: 50%;
  font-size: 20px;
  text-decoration: none;
}
@media (max-width: 768px) {
  .cards {
    flex-direction: column;
    align-items: center;
  }
}