body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  color: #fff;
  background-color: #0b1a3a;
  scroll-behavior: smooth;
}

header {
  position: fixed;
  width: 100%;
  background: rgba(0,0,0,0.8);
  top: 0;
  z-index: 100;
}

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

nav ul li {
  margin: 0 15px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: 500;
}

section {
  padding: 100px 20px;
  text-align: center;
  min-height: 100vh;
}

.btn {
  background: #007bff;
  padding: 10px 20px;
  color: white;
  border-radius: 8px;
  text-decoration: none;
}

form {
  display: flex;
  flex-direction: column;
  align-items: center;
}

input, textarea {
  width: 80%;
  max-width: 400px;
  margin: 10px 0;
  padding: 10px;
  border: none;
  border-radius: 5px;
}

button {
  padding: 10px 20px;
  background-color: #007bff;
  border: none;
  border-radius: 5px;
  color: white;
  cursor: pointer;
}

footer {
  text-align: center;
  padding: 20px;
  background: #051026;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s ease-out, transform 1s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}