body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background: #f5f7fa;
  color: #222;
  scroll-behavior: smooth;
}

.navbar {
  position: fixed;
  width: 100%;
  top: 0;
  background-color: #ffffff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  z-index: 1000;
  opacity: 0;
  transform: translateY(-100%);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.3s ease;
}

nav a:hover {
  color: #007BFF;
}

.section {
  padding: 100px 2rem;
  max-width: 800px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(50px);
}

.hero {
  padding-top: 140px;
}

h1, h2 {
  margin-bottom: 1rem;
}

.btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  background-color: #007BFF;
  color: white;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: transform 0.2s ease;
}

.btn:hover {
  transform: scale(1.05);
}