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

header {
  position: fixed;
  width: 100%;
  background: #007BFF;
  color: white;
  display: flex;
  justify-content: space-between;
  padding: 15px 30px;
  z-index: 1000;
}

header a {
  color: white;
  margin-left: 15px;
  text-decoration: none;
}

.hero {
  height: 100vh;
  background: url("logo.jpg") no-repeat center/cover;
}

.overlay {
  background: rgba(0, 0, 0, 0.103);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: purple;
  text-align: center;
}

.overlay h1 {
  font-size: 50px;
}

.overlay p {
  margin: 20px 0;
  font-size: 20px;
}

.btn {
  background: #25D366;
  color: white;
  padding: 15px 25px;
  border-radius: 30px;
  text-decoration: none;
}

section {
  padding: 80px 20px;
  text-align: center;
}

.cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.card {
  background: #f4f4f4;
  padding: 20px;
  width: 250px;
  border-radius: 10px;
}

.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25D366;
  color: white;
  font-size: 30px;
  padding: 15px;
  border-radius: 50%;
  text-decoration: none;
}

footer {
  background: #222;
  color: white;
  padding: 15px;
  
  text-align: center;
}