body {
  font-family: Arial, sans-serif;
  margin: 0; padding: 0;
  background: linear-gradient(180deg, #1C1C1C, #E4572E);
  color: #fff;
  text-align: center;
}
header {
  padding: 20px;
  background: #1C1C1C;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
header h1 { color: #FFD700; margin: 0; }
nav a {
  color: #FFD700;
  margin-left: 15px;
  text-decoration: none;
  font-weight: bold;
}
.hero {
  padding: 60px 20px;
}
.hero h2 { font-size: 2em; margin-bottom: 10px; }
#countdown {
  font-size: 1.5em;
  margin: 20px 0;
  color: #FFD700;
}
.btn {
  background: #FFD700;
  color: #1C1C1C;
  padding: 15px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s;
}
.btn:hover { background: #E4572E; color: #fff; }
.hidden { display: none; }
.about {
  padding: 40px 20px;
  background: #3B7A57;
}
footer {
  padding: 20px;
  background: #1C1C1C;
}