* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Segoe UI', sans-serif;
  background: #000;
  color: gold;
}
header {
  background: #111;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1em 2em;
  position: sticky;
  top: 0;
  z-index: 1000;
}
.logo {
  font-size: 1.8em;
  font-weight: bold;
  color: goldenrod;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 1.2em;
}
nav a {
  text-decoration: none;
  color: gold;
  font-size: 1em;
  transition: 0.3s;
}
nav a:hover {
  color: white;
}
.hero {
  padding: 3em 2em;
  text-align: center;
}
.hero h1 {
  font-size: 2.5em;
  margin-bottom: 1em;
}
.hero p {
  font-size: 1.2em;
  margin-bottom: 1.5em;
}
.btn {
  padding: 0.8em 1.5em;
  background: goldenrod;
  color: #000;
  font-weight: bold;
  text-decoration: none;
  border-radius: 5px;
  transition: 0.3s;
}
.btn:hover {
  background: gold;
}