body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
section {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  margin-top: 60px; /* tinggi nav */
  scroll-margin-top: 60px; /* untuk mempertahankan jarak */
}
nav{
  position: fixed; /* atau sticky */
  top: 0;
  left: 0;
  width: 100%;
  background-color: #333;
  color: #fff;
  padding: 0.5rem;
  text-align: center;
  z-index: 1000; /* untuk memastikan nav di atas konten */
}


navbar ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: space-between;
}

navbar li {
    margin-right: 20px;
}

navbar a {
    color: #fff;
    text-decoration: none;
}

navbar a:hover {
    color: #ccc;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    padding: 20px;
    background-color: #f9f9f9;
    border: 1px solid #ddd
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}


.card {
    margin-bottom: 20px;
}

.card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 10px 10px 0 0;
}

.card-body {
    padding: 20px;
    text-align: center;
}

.card-title {
    font-weight: bold;
    font-size: 18px;
    margin-bottom: 10px;
}

.card-text {
    font-size: 14px;
    color: #666;
}

.btn-primary {
    background-color: #4CAF50;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: #3e8e41;
}

/* Responsive */
@media only screen and (max-width: 768px) {
    .container {
        margin: 20px auto;
    }
    .card {
        margin-bottom: 10px;
    }
}

@media only screen and (max-width: 480px) {
    .navbar {
        padding: 0.5rem;
    }
    .navbar li {
        margin-right: 10px;
    }
    .card img {
        height: 100px;
    }
    .card-body {
        padding: 10px;
    }
}