body {
  margin: 0;
  font-family: Arial, sans-serif;
}

header {
  background: #0b2c6f;
  color: white;
  padding: 15px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  width: 60px;
}

nav a {
  color: white;
  margin-left: 15px;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  color: gold;
}

.hero {
  background: #000;
  color: white;
  height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.btn {
  background: gold;
  padding: 10px 20px;
  color: black;
  text-decoration: none;
  margin-top: 15px;
  border-radius: 5px;
}

.page {
  padding: 50px;
  text-align: center;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: 20px;
  margin-top: 30px;
}

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

footer {
  background: #0b2c6f;
  color: white;
  text-align: center;
  padding: 15px;
}

.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 1000;
}

.whatsapp-float img {
    width: 35px;
    height: 35px;
}