body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #121212;
  color: #fff;
}
header {
  background-color: #1f1f1f;
  padding: 20px;
  text-align: center;
}
nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 20px;
}
nav a {
  color: #90ee90;
  text-decoration: none;
}
.hero-slider {
  width: 100%;
  max-width: 1000px;
  margin: auto;
  overflow: hidden;
  position: relative;
  height: 300px; /* Ukuran slider */
}
.slide {
  min-width: 100%;
  display: none;
}
.slide.active {
  display: block;
}
.tipe-rumah {
  padding: 20px;
}
.card-container {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}
.house-card {
  background: #1e1e1e;
  border-radius: 100px;
  overflow: hidden;
  width: 300px;
  text-align: center;
}
.house-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.house-card button {
  background: #2a9d8f;
  color: white;
  padding: 10px 16px;
  border: none;
  margin: 10px;
  cursor: pointer;
}
footer {
  text-align: center;
  padding: 15px;
  background: #1f1f1f;
  margin-top: 30px;
}
.popup {
  display: none;
  position: fixed;
  z-index: 1000;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.8);
}
.popup-content {
  background: #fff;
  color: #000;
  max-width: 400px;
  margin: 100px auto;
  padding: 20px;
  border-radius: 8px;
  position: relative;
}
.close-btn {
  position: absolute;
  top: 10px;
  right: 15px;
  cursor: pointer;
}