* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
/* Bagian hero */
.hero {
  text-align: center;
  padding: 80px 20px;
  background: #f4f4f4; /* abu-abu muda */
  color: #000;
  min-height: 100vh; 
  display: flex;
  flex-direction: column;
  justify-content: center; /* vertikal tengah */
  align-items: center;     /* horizontal tengah */
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 15px;
}

.hero p {
  font-size: 1.2rem;
  font-style: italic;
  margin-bottom: 20px;
  text-align: center;
}

.hero .btn {
  display: inline-block;
  padding: 10px 20px;
  background: #ddd; /* abu-abu terang */
  color: #333;      /* teks gelap biar kebaca */
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
}

.hero .btn:hover {
  background: #bbb; /* sedikit lebih gelap pas hover */
}