html { 
  scroll-behavior: smooth; 
  font-family: 'Poppins', sans-serif; 
}

.hero-bg {
  background-image:
    linear-gradient(to bottom, rgba(0,0,0,.55) 0%, rgba(0,0,0,.3) 60%, rgba(0,0,0,.6) 100%),
    url('img/golbasi-manzara.jpeg');
  background-size: cover;
  background-position: center;
}

.card-img { 
  transition: transform .4s ease; 
}

.card-img:hover { 
  transform: scale(1.05); 
}

/* Lightbox (Galeri Büyütme) Stilleri */
.lightbox {
  display: none; 
  position: fixed; 
  inset: 0;
  background: rgba(0,0,0,.85); 
  z-index: 9999;
  align-items: center; 
  justify-content: center;
}

.lightbox.active { 
  display: flex; 
}

.lightbox img { 
  max-width: 90vw; 
  max-height: 85vh; 
  border-radius: 12px; 
}

#navbar { 
  transition: background .3s; 
}

.filter-btn {
  color: #2d6a4f;
}

.filter-btn.active { 
  background: #2d6a4f; 
  color: #fff; 
}

.gallery-label {
  background: #fff; 
  text-align: center;
  font-size: 0.875rem; 
  font-weight: 600;
  padding: 0.5rem 0; 
  color: #374151;
}