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

body {
  font-family: "Segoe UI", sans-serif;
  line-height: 1.6;
  background-color: #f9f9f9;
  color: #333;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: #222;
  color: white;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: white;
  text-decoration: none;
}

.hero {
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://source.unsplash.com/1600x900/?technology') no-repeat center center/cover;
  height: 100vh;
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  padding: 0 2rem;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.cta-button {
  margin-top: 1.5rem;
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: #00bcd4;
  color: white;
  border-radius: 5px;
  text-decoration: none;
  transition: background 0.3s ease;
}

.cta-button:hover {
  background: #0097a7;
}

.section {
  padding: 4rem 2rem;
  text-align: center;
}

.section.alt {
  background-color: #eee;
}

.footer {
  text-align: center;
  padding: 2rem;
  background: #222;
  color: white;
}