section.masthead {
  padding-top: 10.5rem;
  padding-bottom: 6rem;
  text-align: center;
  color: #fff;
  background-image: url("../img/header.jpg");
  background-repeat: no-repeat;
  background-attachment: scroll;
  background-position: center center;
  background-size: cover;
}
section.masthead .masthead-subheading {
  font-size: 1.5rem;
  font-style: italic;
  line-height: 1.5rem;
  margin-bottom: 25px;
  font-family: "Roboto Slab", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
}
section.masthead .masthead-heading {
  font-size: 3.25rem;
  font-weight: 700;
  line-height: 3.25rem;
  margin-bottom: 2rem;
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
}

@media (min-width: 768px) {
  section.masthead {
    padding-top: 17rem;
    padding-bottom: 12.5rem;
  }
  section.masthead .masthead-subheading {
    font-size: 2.25rem;
    font-style: italic;
    line-height: 2.25rem;
    margin-bottom: 2rem;
  }
  section.masthead .masthead-heading {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 4.5rem;
    margin-bottom: 4rem;
  }
}

.navbar {
  transition: all 0.3s ease-in-out;
}

.navbar-shrink {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  background-color: rgba(0, 0, 0, 0.8); /* Warna navbar shrink */
}

.navbar:not(.navbar-shrink) {
  background-color: transparent !important; /* Pastikan kembali ke transparan */
}