/* General Styles */
body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding: 0;
  color: #333;
  background: linear-gradient(to right, #f0f0f0, #dfe7fd);
  scroll-behavior: smooth;
}

header {
  text-align: center;
  background: #333;
  color: white;
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

header nav a {
  color: #f9d342;
  text-decoration: none;
  margin: 0 15px;
  font-size: 1.1rem;
}

header nav a:hover {
  text-decoration: underline;
}

main {
  padding: 40px 20px;
}

section {
  margin-bottom: 50px;
  padding: 20px;
  background: white;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s ease-in forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

button:hover {
  background: #45a049;
  transform: scale(1.05);
  transition: 0.3s;
}

footer {
  text-align: center;
  background: #333;
  color: white;
  padding: 20px;
}

#back-to-top {
  background: #f9d342;
  border: none;
  padding: 10px 15px;
  color: #333;
  cursor: pointer;
  border-radius: 5px;
}

#back-to-top:hover {
  background: #ffae00;
}