.catalog-page {
  --catalog-primary: #1C3563;
  --catalog-accent: #f59e0b;
  --catalog-muted: #64748b;
}

.catalog-breadcrumb {
  background: #fff;
  border-bottom: 1px solid #e2e8f0;
  padding: 12px 0;
  font-size: 13px;
  color: var(--catalog-muted);
}

.catalog-breadcrumb a {
  color: var(--catalog-muted);
}

.catalog-breadcrumb .current {
  color: #1e293b;
  font-weight: 600;
}

.catalog-hero {
  background:
    linear-gradient(135deg, rgba(28, 53, 99, 0.96), rgba(18, 37, 68, 0.94)),
    radial-gradient(circle at 80% 50%, rgba(56, 189, 248, 0.25), transparent 50%),
    #1C3563;
  color: #fff;
  padding: 48px 0 40px;
}

.catalog-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  color: #fff;
}

.catalog-hero .lead {
  font-size: 15px;
  opacity: 0.92;
  max-width: 760px;
  margin-bottom: 24px;
}

.catalog-search {
  background: #fff;
  border-radius: 12px;
  padding: 6px;
  display: flex;
  gap: 6px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  max-width: 760px;
}

.catalog-search input {
  flex: 1;
  border: none;
  padding: 14px 16px;
  font-size: 15px;
  font-family: inherit;
  color: #1e293b;
  background: #fff;
}

.catalog-search input::placeholder {
  color: #64748b;
}

.catalog-search input:focus {
  outline: none;
}

.catalog-search button {
  background: var(--catalog-accent);
  color: #fff;
  border: none;
  padding: 0 28px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}

.catalog-search button:hover {
  background: #d97706;
}

.catalog-meta {
  margin-top: 18px;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 13px;
  opacity: 0.9;
}

.catalog-meta strong {
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  margin-right: 4px;
}

.catalog-section {
  padding: 56px 0;
}

.catalog-section--light {
  background: #f8fafc;
}

.catalog-section-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.catalog-section-header h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--catalog-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.catalog-count-badge {
  font-size: 13px;
  background: #f4f9ff;
  color: var(--catalog-primary);
  padding: 4px 12px;
  border-radius: 12px;
  font-weight: 600;
}

.catalog-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.catalog-filter input {
  flex: 1;
  min-width: 220px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.catalog-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 18px;
  transition: all 0.2s;
  color: #1e293b;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 132px;
}

.catalog-card:hover {
  border-color: var(--catalog-primary);
  box-shadow: 0 4px 12px rgba(28, 53, 99, 0.08);
  text-decoration: none;
  transform: translateY(-2px);
}

.catalog-card h3 {
  font-size: 14px;
  color: var(--catalog-primary);
  font-weight: 700;
  line-height: 1.35;
}

.catalog-card .count {
  font-size: 12px;
  color: var(--catalog-muted);
}

.catalog-card .arrow {
  margin-top: auto;
  font-size: 12px;
  font-weight: 600;
  color: #38bdf8;
}

.catalog-empty,
.catalog-loading {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 16px;
  color: var(--catalog-muted);
}

.catalog-seo {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 32px;
}

.catalog-seo h2 {
  color: var(--catalog-primary);
  font-size: 22px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--catalog-accent);
  display: inline-block;
}

.catalog-seo p {
  color: #1e293b;
  margin-bottom: 14px;
  font-size: 14px;
}

.catalog-faq-item {
  border-bottom: 1px solid #f1f5f9;
  padding: 16px 0;
}

.catalog-faq-item:last-child {
  border-bottom: none;
}

.catalog-faq-q {
  font-weight: 700;
  font-size: 14px;
  color: var(--catalog-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.catalog-faq-q::after {
  content: "＋";
  font-size: 18px;
  color: var(--catalog-accent);
  font-weight: 400;
}

.catalog-faq-q.open::after {
  transform: rotate(45deg);
}

.catalog-faq-a {
  font-size: 13px;
  color: var(--catalog-muted);
  line-height: 1.8;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s, padding 0.3s;
}

.catalog-faq-a.open {
  max-height: 220px;
  padding-top: 12px;
}

.catalog-cta {
  background: linear-gradient(135deg, var(--catalog-primary), #122544);
  color: #fff;
  padding: 56px 0;
  text-align: center;
}

.catalog-cta h2 {
  font-size: 24px;
  margin-bottom: 10px;
  color: #fff;
}

.catalog-cta p {
  font-size: 14px;
  opacity: 0.9;
  margin-bottom: 22px;
}

.catalog-cta-btn {
  display: inline-block;
  background: var(--catalog-accent);
  color: #fff;
  padding: 14px 32px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.catalog-cta-btn:hover {
  background: #d97706;
  color: #fff;
  text-decoration: none;
}

@media (max-width: 980px) {
  .catalog-search {
    flex-direction: column;
  }

  .catalog-search button {
    padding: 14px;
  }

  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-section {
    padding: 40px 0;
  }
}

@media (max-width: 640px) {
  .catalog-grid {
    grid-template-columns: 1fr;
  }
}