.product-banner {
  background: var(--dark-gradient);
  padding: 165px 0 70px;
  color: #FFFFFF;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.product-banner::before {
  content: '';
  position: absolute;
  top: -45%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle,
      rgba(0, 210, 255, 0.15) 0%,
      rgba(0, 0, 0, 0) 70%);
  pointer-events: none;
}

.product-banner .container {
  position: relative;
  z-index: 2;
}

.product-banner h1 {
  font-size: 3rem;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.product-banner p {
  font-size: 1.15rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

@media (max-width: 992px) {
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-banner {
    padding: 150px 0 60px;
  }
}

@media (max-width: 576px) {
  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .product-banner {
    padding: 130px 0 50px;
  }

  .product-banner h1 {
    font-size: 2.2rem;
  }

  .product-banner p {
    font-size: 1rem;
  }
}

.catalog-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.catalog-img {
  height: 220px;
  position: relative;
}

.catalog-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.catalog-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.catalog-body h3 {
  font-size: 1.35rem;
  color: var(--primary-dark);
  margin-bottom: 12px;
}

.catalog-body p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
  flex: 1;
}

.catalog-features {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.catalog-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.catalog-features li i {
  color: var(--primary-blue);
  font-size: 0.8rem;
}