* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #0f0f0f;
  color: white;
}

header {
  position: sticky;
  top: 0;
  background: #111;
  padding: 15px 0;
  z-index: 100;
  border-bottom: 1px solid #333;
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  gap: 40px;
}

nav ul li a {
  color: #00f0ff;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s;
}

nav ul li a:hover {
  color: #00cccc;
}

.section {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 50px;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.3s, transform 0.3s;
}

.section h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  color: #00ffff;
}

.section p {
  font-size: 1.2rem;
  max-width: 600px;
  text-align: center;
  color: #ccc;
}