body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background-color: #f9f9f9;
  color: #333;
}

header {
  background-color: #004080;
  color: #fff;
  padding: 20px 0;
  text-align: center;
}

nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 10px;
}

nav ul li {
  margin: 0 15px;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

section {
  padding: 40px 20px;
  max-width: 1000px;
  margin: auto;
  background-color: #fff;
  margin-bottom: 20px;
  border-radius: 8px;
}

footer {
  background-color: #00264d;
  color: white;
  text-align: center;
  padding: 20px 10px;
}

footer .sosial a {
  margin: 0 10px;
  color: white;
  text-decoration: none;
}

.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #25d366;
  color: white;
  padding: 12px 16px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

@media screen and (max-width: 768px) {
  nav ul {
    flex-direction: column;
    align-items: center;
  }

  .whatsapp-float {
    font-size: 14px;
    padding: 10px 14px;
  }
}