:root {
  --primary-color: #229799;
  --secondary-color: #1a7476;
  --bg-light: #f8f9fa;
  --text-color: #333;
  --text-light: #696969;
  --bg-body: #f0f8ff;
  --bg-header: rgba(255, 255, 255, 0.9);
  --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
  font-family: 'DM Sans', sans-serif;
  background-color: var(--bg-body);
  color: var(--text-color);
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: 0.3s ease;
  position: relative;
}

a::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--primary-color);
  transform: scaleX(0);
  transition: transform 0.3s ease-in-out;
}

a:hover::after {
  transform: scaleX(1);
}

a:hover {
  color: var(--secondary-color);
}

.btn-primary {
  background: var(--primary-color);
  border-color: var(--primary-color);
  transition: 0.3s ease;
}

.btn-primary:hover {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px var(--shadow-color);
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-header);
  backdrop-filter: blur(5px);
  transition: 0.3s ease-in-out;
}

.navbar-nav {
  width: 100%;
}

.navbar-nav .nav-item:not(:first-child) {
  margin-left: 20px;
}

.navbar-nav .nav-item:first-child {
  margin-right: auto;
}

.navbar-nav .nav-link {
  font-size: 1.25rem;
  font-weight: 700;
  transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
  color: var(--secondary-color);
}

.navbar-nav .nav-link.active {
  color: var(--primary-color);
}

.section-padding {
  padding: 100px 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.header-hide {
  transition: transform 0.3s ease-in-out;
}

.header-hidden {
  transform: translateY(-100%);
}

body {
  margin: 0;
  padding: 0;
}

.hero-section {
  padding: 0;
  margin: 0;
}

#heroCarousel {
  width: 100%;
  height: auto;
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: 100vh;
  object-fit: cover;
  object-position: center;
}

#sekilas {
  margin-top: 0;
  padding-top: 7rem;
}

@media (max-width: 768px) {
  .hero-image {
    height: 50vh;
  }
}

#sekilas,
#visi-misi,
#guru-staff,
#artikel,
#tentang-kami {
  position: relative;
}

#sekilas,
#tentang-kami {
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  color: white;
}

#visi-misi,
#artikel {
  background-color: var(--bg-light);
}

#guru-staff {
  background-color: white;
}

.card {
  border: none;
  overflow: hidden;
  transition: 0.3s ease;
  box-shadow: 0 4px 6px var(--shadow-color);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 12px var(--shadow-color);
}

.card img {
  transition: transform 0.3s ease-in-out;
}

.card:hover img {
  transform: scale(1.1);
}

#guru-staff .card {
  text-align: center;
}

/* lingkaran */
/* #guru-staff .card-img-top {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 50%;
  margin: 20px auto;
} */

/* kotak */
#guru-staff .card-img-top {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: 0;
  margin: 0;
}

#artikel .card {
  height: 100%;
}

#artikel .card-img-top {
  height: 200px;
  object-fit: cover;
}

footer {
  background-color: var(--primary-color);
  color: white;
}

footer a {
  color: white;
}

footer a:hover {
  color: var(--bg-light);
}

@media (max-width: 991px) {
  .navbar-nav .nav-item:not(:first-child) {
    margin-left: 0;
  }

  .navbar-nav .nav-item {
    margin-bottom: 10px;
  }
}

@media (max-width: 768px) {
  .section-padding {
    padding: 50px 0;
    min-height: auto;
  }

  .navbar-nav .nav-link {
    font-size: 1rem;
  }

  #hero h1,
  #hero h2,
  #hero h3 {
    font-size: 2rem;
  }

  #hero p {
    font-size: 1rem;
  }

  .hero-image-container {
    margin-bottom: 2rem;
  }

  .hero-content {
    text-align: center;
  }

  #hero .carousel-item {
    height: auto;
    position: relative;
  }

  #hero .carousel-item img {
    height: auto; 
  }
}

.artikel-detail .artikel-konten {
  font-size: 1rem;
  line-height: 1.5;
  margin-bottom: 1.5rem;
  word-wrap: break-word;
}

.artikel-detail h1 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.artikel-detail .artikel-meta {
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.artikel-detail {
  width: 100%;
  /* Lebar penuh layar */
  margin: 0 auto;
  /* Posisi container artikel di tengah */
  padding: 20px;
  /* Padding untuk memberikan ruang di dalam container */
}

.artikel-detail img {
  max-width: 100%;
  /* Gambar akan menyesuaikan lebar container */
  height: auto;
  /* Menjaga rasio aspek gambar */
  display: block;
  /* Menghilangkan spasi di bawah gambar */
  margin: 0 auto;
  /* Posisi gambar di tengah */
}

@media (max-width: 768px) {
  .artikel-detail .artikel-konten {
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    word-wrap: break-word;
  }

  .artikel-detail h1 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
  }

  .artikel-detail .artikel-meta {
    font-size: 0.875rem;
    margin-bottom: 1rem;
  }

  .artikel-detail {
    padding: 10px;
    /* Padding yang lebih kecil di ponsel */
  }
}