/* assets/css/css_index.css */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --dark: #1e293b;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  --radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--gray-50);
  color: var(--dark);
  overflow-x: hidden;
}



/* ===== Stats Section ===== */
.stats-section {
  padding: 40px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.stat-card {
  background: white;
  padding: 32px 24px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.stat-card:hover::before {
  transform: scaleX(1);
}

.stat-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.stat-card:hover .stat-icon {
  transform: scale(1.1) rotate(5deg);
}

.stat-icon svg {
  width: 32px;
  height: 32px;
  stroke: white;
  fill: none;
  stroke-width: 2;
}

.stat-icon.purple { background: linear-gradient(135deg, #667eea, #764ba2); }
.stat-icon.blue { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.stat-icon.green { background: linear-gradient(135deg, #10b981, #059669); }
.stat-icon.orange { background: linear-gradient(135deg, #f59e0b, #d97706); }

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
  line-height: 1;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--gray-700);
  font-weight: 500;
}

.stats-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gray-200), transparent);
  max-width: 1200px;
  margin: 60px auto;
}

/* ===== Products Section ===== */
.products-section {
  padding: 60px 20px;
}

.dashboard-wrapper {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-700);
  margin-top: 20px;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(234px, 1fr));
  gap: 28px;
}

/* ===== Product Card ===== */
.product-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  position: relative;
}

.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 0;
  pointer-events: none;
}

.product-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-xl);
}

.product-card:hover::before {
  opacity: 0.03;
}

.card-image-wrapper {
  position: relative;
  width: 100%;
  padding-top: 66.67%;
  overflow: hidden;
  background: var(--gray-100);
}

.card-image-wrapper img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .card-image-wrapper img {
  transform: scale(1.08);
}

.product-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: white;
  z-index: 2;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.product-badge.new {
  background: linear-gradient(135deg, #10b981, #059669);
}

.product-badge.bestseller {
  background: linear-gradient(135deg, #f59e0b, #d97706);
}

.product-badge.discount {
  top: 12px;
  left: 12px;
  right: auto;
  background: linear-gradient(135deg, #ef4444, #dc2626);
}

.view-count-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  border-radius: 20px;
  color: white;
  font-size: 0.85rem;
  font-weight: 500;
  z-index: 2;
}

.view-count-badge svg {
  width: 16px;
  height: 16px;
  stroke: white;
  fill: none;
  stroke-width: 2;
}

.card-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  position: relative;
  z-index: 1;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--gray-100);
  border-radius: 8px;
  font-size: 0.85rem;
}

.meta-label {
  color: var(--gray-700);
  font-weight: 500;
}

.meta-value {
  color: var(--dark);
  font-weight: 600;
}

.card-note {
  font-size: 0.9rem;
  color: var(--gray-700);
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-note.highlight {
  padding: 12px;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.08), rgba(118, 75, 162, 0.08));
  border-radius: 8px;
  border-right: 3px solid var(--primary);
}

.card-separator {
  height: 1px;
  background: var(--gray-200);
  margin: auto 0 16px;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.btn-order {
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.product-card:hover .btn-order {
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
}

.card-price-section {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.price-original {
  font-size: 0.85rem;
  color: var(--gray-700);
  text-decoration: line-through;
}

.price-current {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.price-amount {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1;
}

.price-currency {
  font-size: 0.85rem;
  color: var(--gray-700);
  font-weight: 500;
}

/* ===== Features Section ===== */
.features-section {
  padding: 80px 20px;
  background: white;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.feature-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius);
  background: var(--gray-50);
  transition: var(--transition);
  border: 2px solid transparent;
}

.feature-card:hover {
  background: white;
  border-color: var(--primary);
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(-5deg);
}

.feature-icon svg {
  width: 40px;
  height: 40px;
  stroke: white;
  fill: none;
  stroke-width: 2;
}

.feature-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 1rem;
  color: var(--gray-700);
  line-height: 1.7;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 80px 20px;
}

.cta-box {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 60px 40px;
  border-radius: 24px;
  text-align: center;
  color: white;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.cta-box h3 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta-box p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: 32px;
  opacity: 0.95;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.cta-btn {
  padding: 16px 32px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  transition: var(--transition);
  display: inline-block;
}

.cta-btn.primary {
  background: white;
  color: var(--primary);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.cta-btn.primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.2);
}

.cta-btn.secondary {
  background: rgba(255,255,255,0.2);
  color: white;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255,255,255,0.3);
}

.cta-btn.secondary:hover {
  background: rgba(255,255,255,0.3);
  transform: translateY(-4px);
}

/* ===== FAQ Section ===== */
.faq-section {
  padding: 80px 20px;
  background: var(--gray-50);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow);
}

.faq-question {
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  user-select: none;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--dark);
}

.faq-toggle {
  width: 32px;
  height: 32px;
  background: var(--gray-100);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-toggle svg {
  width: 20px;
  height: 20px;
  stroke: var(--gray-700);
  fill: none;
  stroke-width: 2;
  transition: var(--transition);
}

.faq-item.active .faq-toggle {
  background: var(--primary);
  transform: rotate(45deg);
}

.faq-item.active .faq-toggle svg {
  stroke: white;
}

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

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 24px;
}

.faq-answer p {
  color: var(--gray-700);
  line-height: 1.8;
  font-size: 0.98rem;
}

/* ===== Empty State ===== */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
}

.empty-state h3 {
  font-size: 1.5rem;
  color: var(--gray-700);
  font-weight: 600;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .banner-section {
    padding: 80px 20px 60px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .cta-btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-number {
    font-size: 2rem;
  }

  .card-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-order {
    text-align: center;
  }

  .card-price-section {
    align-items: center;
  }
}