/* Product Page Specific Styles - Mobile First */
.page-hero {
  margin-top: 4.5rem; /* 72px equivalent - account for fixed navbar */
  padding: 5rem 0 2.5rem; /* 80px 0 40px equivalent */
  background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
}

.page-hero h1 {
  font-size: 2rem; /* Mobile: smaller font */
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 0.5rem;
}

.page-hero p {
  color: #64748b;
  font-size: 1rem;
}

.filter-section {
  padding: 0.625rem 0 0; /* 10px 0 0 equivalent */
}

.filter-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  background: white;
  border-radius: 0.875rem; /* 14px equivalent */
  padding: 0.75rem; /* 12px equivalent */
  box-shadow: 0 0.5rem 1.5rem rgba(0,0,0,0.08);
  justify-content: center; /* Mobile: center filters */
}

.filter-btn {
  border: 1.5px solid #e2e8f0;
  background: #f8fafc;
  color: #1f2937;
  padding: 0.5rem 0.875rem; /* 8px 14px equivalent */
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s ease;
  font-size: 0.875rem; /* 14px equivalent */
  white-space: nowrap; /* Prevent text wrapping */
}

.filter-btn:hover { 
  border-color: #93c5fd; 
  background: #eff6ff; 
  color: #2563eb; 
}

.filter-btn.active { 
  background: #2563eb; 
  color: #fff; 
  border-color: #2563eb; 
  box-shadow: 0 0.625rem 1.25rem rgba(37,99,235,.25); 
}

.product-gallery-section { 
  padding: 1.75rem 0 6.25rem; /* 28px 0 100px equivalent */ 
}

.product-gallery {
  display: grid;
  grid-template-columns: 1fr; /* Mobile: single column */
  gap: 1.375rem; /* 22px equivalent */
}

.product-item {
  background: white;
  border-radius: 1rem; /* 16px equivalent */
  overflow: hidden;
  box-shadow: 0 0.625rem 1.875rem rgba(0,0,0,.08);
  transition: transform .3s ease, box-shadow .3s ease;
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.product-item:hover { 
  transform: translateY(-0.375rem); /* -6px equivalent */ 
  box-shadow: 0 1.125rem 2.5rem rgba(0,0,0,.12); 
}

.product-item img { 
  width: 100%; 
  height: 11.875rem; /* 190px equivalent */ 
  object-fit: cover; 
  display: block; 
}

.product-meta { 
  padding: 0.875rem; /* 14px equivalent */ 
}

.product-meta h3 { 
  font-size: 1rem; 
  color: #111827; 
  margin-top: 0.5rem; /* 8px equivalent */ 
  font-weight: 600;
}

.badge { 
  display: inline-block; 
  font-size: 0.75rem; 
  padding: 0.25rem 0.625rem; /* 4px 10px equivalent */ 
  border-radius: 999px; 
  background: #eff6ff; 
  color: #2563eb; 
  font-weight: 700; 
}

/* Lightbox */
.lightbox-overlay { 
  position: fixed; 
  inset: 0; 
  background: rgba(0,0,0,.6); 
  display: none; 
  align-items: center; 
  justify-content: center; 
  z-index: 1100; 
  padding: 1rem; /* Mobile: add padding */
  backdrop-filter: blur(5px); /* Add subtle blur effect */
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox { 
  background: #fff; 
  border-radius: 0.875rem; /* 14px equivalent */ 
  max-width: 90vw; 
  max-height: 90vh; 
  overflow: hidden; 
  box-shadow: 0 1.25rem 3.75rem rgba(0,0,0,.35); 
  width: 100%; /* Mobile: full width */
  display: flex;
  flex-direction: column;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.lightbox img { 
  width: 100%; 
  height: 300px; /* Fixed height for all images */
  object-fit: contain; /* Maintain aspect ratio without cropping */
  display: block; 
  background: #f8f9fa; /* Light background for transparent images */
  padding: 1rem; /* Add padding around the image */
  border-radius: 0.5rem; /* Rounded corners for the image container */
}

.lightbox-header { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  padding: 0.625rem 0.875rem; /* 10px 14px equivalent */ 
  background: #111827; 
  color: #fff; 
  border-bottom: 1px solid #374151;
}

.lightbox-header h4 { 
  margin: 0; 
  font-size: 0.95rem; 
}

.lightbox-close { 
  background: transparent; 
  color: #fff; 
  border: 0; 
  font-size: 1.2rem; 
  cursor: pointer; 
  padding: 0.25rem; /* 4px equivalent */ 
  border-radius: 50%;
  transition: background-color 0.2s ease;
}

.lightbox-close:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(1.875rem); /* 30px equivalent */
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Medium devices (641px–1024px) */
@media (min-width: 641px) {
  .page-hero {
    padding: 4rem 0 2rem; /* 64px 0 32px equivalent */
  }
  
  .page-hero h1 {
    font-size: 2.25rem; /* Medium: larger font */
  }
  
  .page-hero p {
    font-size: 1.125rem; /* 18px equivalent */
  }
  
  .filter-bar {
    justify-content: flex-start; /* Medium: left align */
    padding: 0.75rem 1rem; /* 12px 16px equivalent */
  }
  
  .filter-btn {
    font-size: 0.875rem; /* 14px equivalent */
    padding: 0.5rem 1rem; /* 8px 16px equivalent */
  }
  
  .product-gallery {
    grid-template-columns: repeat(2, 1fr); /* Medium: 2 columns */
    gap: 1.5rem; /* 24px equivalent */
  }
  
  .product-item img {
    height: 12.5rem; /* 200px equivalent */
  }
  
  .product-meta {
    padding: 1rem; /* 16px equivalent */
  }
  
  .lightbox {
    width: auto; /* Medium: auto width */
    max-width: 80vw;
    max-height: 80vh;
  }
  
  .lightbox img {
    height: 400px; /* Medium: slightly larger fixed height */
  }
  
  .lightbox-overlay {
    padding: 2rem; /* Medium: more padding */
  }
}

/* Large devices (1025px+) */
@media (min-width: 1025px) {
  .page-hero {
    padding: 5rem 0 2.5rem; /* 80px 0 40px equivalent */
  }
  
  .page-hero h1 {
    font-size: 2.5rem; /* Desktop: largest font */
  }
  
  .page-hero p {
    font-size: 1.25rem; /* 20px equivalent */
  }
  
  .filter-bar {
    padding: 0.75rem 1.5rem; /* 12px 24px equivalent */
  }
  
  .filter-btn {
    font-size: 1rem;
    padding: 0.5rem 1.25rem; /* 8px 20px equivalent */
  }
  
  .product-gallery {
    grid-template-columns: repeat(auto-fill, minmax(16.25rem, 1fr)); /* 260px minmax */
    gap: 1.375rem; /* 22px equivalent */
  }
  
  .product-item img {
    height: 11.875rem; /* 190px equivalent */
  }
  
  .product-meta {
    padding: 0.875rem; /* 14px equivalent */
  }
  
  .lightbox {
    max-width: 70vw;
    max-height: 75vh;
  }
  
  .lightbox img {
    height: 500px; /* Desktop: largest fixed height */
  }
  
  .lightbox-overlay {
    padding: 3rem; /* Desktop: most padding */
  }
}

/* Small devices (max-width 640px) - Additional mobile optimizations */
@media (max-width: 640px) {
  .page-hero {
    margin-top: 4rem; /* 64px equivalent */
    padding: 3rem 0 1.5rem; /* 48px 0 24px equivalent */
  }
  
  .page-hero h1 {
    font-size: 1.75rem; /* Small mobile: even smaller */
  }
  
  .page-hero p {
    font-size: 0.875rem; /* 14px equivalent */
  }
  
  .filter-bar {
    padding: 0.5rem; /* 8px equivalent */
    gap: 0.5rem; /* 8px equivalent */
  }
  
  .filter-btn {
    font-size: 0.75rem; /* 12px equivalent */
    padding: 0.375rem 0.75rem; /* 6px 12px equivalent */
  }
  
  .product-gallery {
    gap: 1rem; /* 16px equivalent */
  }
  
  .product-item img {
    height: 10rem; /* 160px equivalent */
  }
  
  .product-meta {
    padding: 0.75rem; /* 12px equivalent */
  }
  
  .product-meta h3 {
    font-size: 0.875rem; /* 14px equivalent */
  }
  
  .badge {
    font-size: 0.625rem; /* 10px equivalent */
    padding: 0.125rem 0.5rem; /* 2px 8px equivalent */
  }
  
  .lightbox-overlay {
    padding: 0.5rem; /* Small mobile: less padding */
  }
  
  .lightbox-header {
    padding: 0.5rem 0.75rem; /* 8px 12px equivalent */
  }
  
  .lightbox-header h4 {
    font-size: 0.875rem; /* 14px equivalent */
  }
  
  .lightbox-close {
    font-size: 1rem;
  }
}