/**
 * Global Product Page Styles
 * Reusable CSS for all product detail pages
 * Optimized for performance and SEO
 */

/* ============================================
   PRODUCT DETAIL HERO
   ============================================ */
.product-detail-hero {
  padding: 8rem 0 3rem;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.9));
}

/* ============================================
   PRODUCT DETAIL GRID
   ============================================ */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

.product-image-gallery {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.product-image-gallery > div {
  width: 100%;
  box-sizing: border-box;
}

.product-main-image {
  width: 100%;
  border-radius: 0.75rem;
  margin-bottom: 0.75rem;
  border: 1px solid rgba(212, 175, 55, 0.3);
}

/* ============================================
   PRODUCT OPTIONS
   ============================================ */
.product-options {
  background: #1a1a1a;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 0.75rem;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(212, 175, 55, 0.1);
}

.product-options h3 {
  color: #ffffff;
  margin-bottom: 1rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.option-group {
  margin-bottom: 1rem;
}

.option-group label {
  display: block;
  color: #f5f5f5;
  margin-bottom: 0.5rem;
  font-weight: 500;
  font-size: 0.9rem;
}

.option-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.option-btn {
  padding: 0.4rem 0.85rem;
  background: #4a4a4a;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0.4rem;
  color: #ffffff;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.875rem;
}

.option-btn:hover,
.option-btn.active {
  background: #d4af37;
  border-color: #d4af37;
  color: #000000;
}

/* ============================================
   FEATURES GRID
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.feature-item {
  display: flex;
  align-items: start;
  gap: 0.6rem;
  padding: 0.75rem;
  background: #1a1a1a;
  border-radius: 0.5rem;
  border: 1px solid rgba(212, 175, 55, 0.2);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.feature-item:hover {
  border-color: rgba(212, 175, 55, 0.4);
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

.feature-item svg {
  color: #ffffff !important;
  transition: color 0.3s ease;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

.feature-item:hover svg {
  color: #d4af37;
}

.feature-item strong {
  color: #ffffff;
  font-size: 0.875rem;
  display: block;
  margin-bottom: 0.25rem;
}

.feature-item p {
  color: #e0e0e0;
  font-size: 0.8rem;
  margin: 0;
}

/* ============================================
   SPECS TABLE
   ============================================ */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: #1a1a1a;
  border-radius: 0.5rem;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.specs-table th {
  background: rgba(212, 175, 55, 0.2);
  color: #ffffff;
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.875rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.specs-table td {
  padding: 0.75rem 1rem;
  color: #f5f5f5;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.875rem;
}

.specs-table tr:hover {
  background: rgba(212, 175, 55, 0.1);
}

/* ============================================
   COMPARISON TABLE
   ============================================ */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: #1a1a1a;
  border-radius: 0.5rem;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.comparison-table th {
  background: rgba(212, 175, 55, 0.2);
  color: #ffffff;
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.875rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-table td {
  padding: 0.75rem 1rem;
  color: #f5f5f5;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.875rem;
}

.comparison-table tr:hover {
  background: rgba(212, 175, 55, 0.1);
}

/* ============================================
   FAQ ACCORDION
   ============================================ */
.faq-item {
  background: #1a1a1a;
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 0.5rem;
  margin-bottom: 0.75rem;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(212, 175, 55, 0.4);
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.15);
}

.faq-question {
  padding: 0.875rem 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #ffffff;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.faq-question:hover {
  background: rgba(212, 175, 55, 0.1);
  color: #d4af37;
}

.faq-toggle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.2);
  border: 1px solid #d4af37;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.faq-toggle svg {
  width: 12px;
  height: 12px;
  color: #d4af37;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 0 1rem 0.875rem 1rem;
  color: #f5f5f5;
  line-height: 1.6;
  font-size: 0.875rem;
}

/* ============================================
   RELATED PRODUCTS
   ============================================ */
.related-products {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.related-product-card {
  background: #1a1a1a;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 1rem;
  overflow: hidden;
  transition: all 0.3s ease;
  text-decoration: none;
  display: block;
}

.related-product-card:hover {
  transform: translateY(-5px);
  border-color: var(--amber-500);
}

.related-product-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.related-product-card-content {
  padding: 1.5rem;
}

.related-product-card h4 {
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.related-product-card p {
  color: #e0e0e0;
  font-size: 0.9rem;
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .product-image-gallery {
    position: static;
  }
  
  .product-detail-hero {
    padding: 6rem 0 2rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .specs-table,
  .comparison-table {
    font-size: 0.8rem;
  }
  
  .specs-table th,
  .specs-table td,
  .comparison-table th,
  .comparison-table td {
    padding: 0.6rem 0.75rem;
  }
}

@media (max-width: 768px) {
  .product-detail-hero {
    padding: 5rem 0 1.5rem;
  }
  
  .product-options {
    padding: 1rem;
  }
  
  .option-btn {
    font-size: 0.8rem;
    padding: 0.35rem 0.7rem;
  }
  
  .features-grid {
    gap: 0.5rem;
  }
  
  .feature-item {
    padding: 0.6rem;
  }
  
  .related-products {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .product-detail-hero {
    padding: 4rem 0 1rem;
  }
  
  .product-options {
    padding: 0.875rem;
  }
  
  .specs-table,
  .comparison-table {
    font-size: 0.75rem;
  }
  
  .specs-table th,
  .specs-table td,
  .comparison-table th,
  .comparison-table td {
    padding: 0.5rem 0.6rem;
  }
}

/* ============================================
   PAGE-SPECIFIC STYLES (Common across pages)
   ============================================ */

/* Benefits List */
.benefits-list {
  background: #1a1a1a;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.benefits-list h3 {
  color: #ffffff;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.benefits-list ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.benefits-list li {
  color: #f5f5f5;
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  font-size: 0.95rem;
}

.benefits-list li:before {
  content: "✔";
  position: absolute;
  left: 0;
  color: #d4af37;
  font-weight: bold;
}

/* Security Features */
.security-features {
  background: #1a1a1a;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.security-features h3 {
  color: #ffffff;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.security-features ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.security-features li {
  color: #f5f5f5;
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  font-size: 0.95rem;
}

.security-features li:before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--gold-400);
  font-weight: bold;
}

/* Finish Options */
.finish-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1rem 0;
}

.finish-badge {
  padding: 0.5rem 1rem;
  background: #1a1a1a;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 0.5rem;
  color: #f5f5f5;
  font-size: 0.875rem;
}

/* Key Features Section */
@media (min-width: 769px) {
  .key-features-section {
    min-height: 350px;
    display: flex;
    flex-direction: column;
  }
}

/* Highlight Box */
.highlight-box {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(6, 182, 212, 0.1));
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 0.75rem;
  padding: 1.25rem;
  margin: 1.5rem 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  text-align: center;
}

.highlight-item {
  padding: 0.5rem;
}

.highlight-item .icon {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.highlight-item .text {
  font-size: 0.75rem;
  color: #f5f5f5;
  font-weight: 500;
}

@media (max-width: 768px) {
  .highlight-box {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   MOBILE FLOATING CALCULATOR BUTTON
   ============================================ */
.mobile-calc-btn {
  display: none;
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  padding: 0.875rem 1.25rem;
  background: linear-gradient(135deg, #d4af37, #b8860b);
  color: #000;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  border-radius: 50px;
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4), 0 4px 10px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  align-items: center;
  gap: 0.5rem;
  animation: mobile-calc-pulse 2s ease-in-out infinite;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mobile-calc-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 30px rgba(212, 175, 55, 0.5), 0 6px 15px rgba(0, 0, 0, 0.4);
}

.mobile-calc-btn:active {
  transform: scale(0.98);
}

@keyframes mobile-calc-pulse {
  0%, 100% { 
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4), 0 4px 10px rgba(0, 0, 0, 0.3); 
  }
  50% { 
    box-shadow: 0 8px 35px rgba(212, 175, 55, 0.6), 0 4px 15px rgba(0, 0, 0, 0.4); 
  }
}

.mobile-calc-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .mobile-calc-btn {
    display: flex;
  }
}

@media (max-width: 480px) {
  .mobile-calc-btn {
    bottom: 1rem;
    right: 1rem;
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
  }
  
  .mobile-calc-btn svg {
    width: 16px;
    height: 16px;
  }
}