.filter-section {
  padding: 60px 0 0;
  background: var(--color-bg);
}

.filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-light);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-base);
}

.filter-btn:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.filter-btn.active {
  background: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent);
  font-weight: 600;
}

.products-list-section {
  padding: 60px 0 100px;
  background: var(--color-bg);
}

.products-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.product-item {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-smooth);
  border: 1px solid var(--color-border);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.product-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.product-item.hidden {
  display: none;
}

.product-item-image {
  position: relative;
  height: 280px;
  background: transparent;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-item:hover .product-item-image img {
  transform: scale(1.05);
}

.product-item-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}

.product-item-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-item-category {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.product-item-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.product-item-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 20px;
}

.product-item-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.product-spec {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-light);
}

.product-spec svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-accent);
  flex-shrink: 0;
}

.product-item-actions {
  display: flex;
  gap: 12px;
  margin-top: auto;
}

.product-item-actions .btn {
  flex: 1;
  padding: 10px 16px;
  font-size: 13px;
}

.features-section {
  padding: 100px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.feature-card {
  display: flex;
  gap: 24px;
  padding: 32px;
  border-radius: var(--radius-md);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  transition: all var(--transition-smooth);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.05) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-accent);
}

.feature-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.feature-content p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(74, 85, 104, 0.8);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  max-width: 900px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  transform: translateY(30px) scale(0.95);
  transition: transform var(--transition-smooth);
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 1;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.modal-close svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-text-white);
}

.modal-hero {
  position: relative;
  height: 300px;
  background: var(--color-bg-white);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.modal-hero img {
  max-height: 80%;
  max-width: 80%;
  object-fit: contain;
}

.modal-hero-tag {
  display: none;
}

.modal-body {
  padding: 40px;
}

.modal-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.modal-subtitle {
  font-size: 15px;
  color: var(--color-accent);
  margin-bottom: 24px;
  font-weight: 500;
}

.modal-desc {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 32px;
}

.modal-section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.modal-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 32px;
}

.modal-spec-item {
  padding: 14px 20px;
  background: var(--color-bg-white);
  display: flex;
  justify-content: space-between;
}

.modal-spec-item:nth-child(odd) {
  background: var(--color-bg);
}

.modal-spec-label {
  font-size: 14px;
  color: var(--color-text-light);
}

.modal-spec-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}

.modal-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 32px;
}

.modal-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
}

.modal-feature svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-accent);
  flex-shrink: 0;
}

.modal-feature span {
  font-size: 14px;
  color: var(--color-text);
}

.modal-applications {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.modal-app-tag {
  padding: 8px 18px;
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  font-size: 13px;
  color: var(--color-text);
}

.modal-cta {
  display: flex;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

@media (max-width: 992px) {
  .products-list-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .modal-specs {
    grid-template-columns: 1fr;
  }
  .modal-features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .products-list-grid {
    grid-template-columns: 1fr;
  }
  .filter-bar {
    gap: 8px;
  }
  .filter-btn {
    padding: 8px 16px;
    font-size: 13px;
  }
  .modal-body {
    padding: 24px;
  }
  .modal-title {
    font-size: 22px;
  }
  .modal-cta {
    flex-direction: column;
  }
}