html, body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  font-family: 'Poppins', sans-serif;
  background-color: #f8f9fa;
  color: #333;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

/* Navbar */
.navbar {
  backdrop-filter: blur(12px);
  background-color: rgba(0, 0, 0, 0.7) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.navbar-logo {
  width: 40px;
  height: auto;
  margin-right: 10px;
  vertical-align: middle;
  filter: drop-shadow(0 0 3px #0d6efd80);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.3rem;
  color: #e0e0e0;
  transition: color 0.3s ease;
}

.navbar-brand:hover {
  color: #0d6efd;
}

.navbar-nav .nav-link {
  font-weight: 600;
  color: #d0d0d0;
  transition: color 0.3s ease;
}

.navbar-nav .nav-link.active,
.navbar-nav .nav-link:hover {
  color: #0d6efd;
  text-shadow: 0 0 5px #0d6efd88;
}

/* Hero Section */
.hero-section {
  background: radial-gradient(circle at top center, #222831, #121416);
  color: white;
  padding: 200px 0px 150px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
}

.hero-section h1 {
  font-weight: 700;
  font-size: 3.5rem;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.hero-section h2 {
  font-weight: 400;
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  text-transform: capitalize;
}

/* Button */
.btn-outline-light {
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  font-size: 1.1rem;
  border-radius: 30px;
  transition: 0.3s ease;
}

.btn-outline-light:hover {
  background-color: #0d6efd;
  color: white;
  border-color: #0d6efd;
  box-shadow: 0 5px 15px rgba(13,110,253,0.4);
}

/* Section Title */
.section-title {
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 2rem;
  color: #212529;
  position: relative;
  text-align: center;
}

.section-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background-color: #0d6efd;
  margin: 10px auto 0;
  border-radius: 2px;
}

/* Card */
.card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-radius: 12px;
  border: none;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
}

.card i {
  font-size: 3.5rem;
}

.card-title {
  font-weight: 600;
  color: #0d6efd;
}

/* Galeri */
.img-popup,
.img-fluid.rounded.shadow {
  cursor: zoom-in;
  transition: transform 0.3s ease;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(0,0,0,0.3);
}

#image-modal {
  position: fixed;
  display: none;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.85);
  z-index: 9999;
  justify-content: center;
  align-items: center;
}

#image-modal img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0,0,0,0.8);
  animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
  from { transform: scale(0.6); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* Footer */
footer {
  background-color: #212529;
  color: white;
  padding: 20px 0;
  text-align: center;
  font-size: 0.9rem;
}