.content {
  flex: 1;
}

.catalog-page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 14px 28px;
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 18px;
}

.catalog-sidebar {
  position: relative;
  align-self: start;
}

.catalog-sidebar-card,
.catalog-main {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
}

.catalog-sidebar-card {
  position: relative;
  max-height: calc(100vh - var(--catalog-sticky-top, calc(var(--header-visible-h, 120px) + 16px)) - 16px);
  overflow: auto;
  padding: 14px;
}

.catalog-sidebar-title {
  margin: 0 0 10px;
  font-size: 18px;
  color: #0f172a;
}

.catalog-sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.catalog-sidebar-list li + li {
  margin-top: 8px;
}

.catalog-sidebar-list a {
  display: block;
  padding: 9px 10px;
  border-radius: 10px;
  color: #334155;
  text-decoration: none;
}

.catalog-sidebar-list a:hover,
.catalog-sidebar-list a.active {
  background: #eff6ff;
  color: #1d4ed8;
}

.catalog-main {
  padding: 18px;
}

.catalog-hero {
  border-radius: 16px;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  padding: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) 260px;
  gap: 18px;
  align-items: center;
}

.catalog-hero h1 {
  margin: 0 0 10px;
  font-size: 30px;
  line-height: 1.15;
  color: #0f172a;
}

.catalog-hero p {
  margin: 0;
  color: #475569;
  line-height: 1.7;
}

.catalog-hero img {
  width: 100%;
  max-height: 190px;
  object-fit: cover;
  border-radius: 14px;
  background: #fff;
}

.catalog-section {
  margin-top: 20px;
  scroll-margin-top: calc(var(--header-visible-h, 120px) + 18px);
}

.catalog-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.catalog-section h2 {
  margin: 0;
  font-size: 20px;
  color: #0f172a;
}

.catalog-filter {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: #1e40af;
}

.catalog-filter select {
  height: 36px;
  min-width: 170px;
  border: 1px solid #bfdbfe;
  border-radius: 10px;
  background: #eff6ff;
  color: #0f172a;
  padding: 0 10px;
}

.catalog-filter select:focus {
  outline: none;
  border-color: #60a5fa;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

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

.catalog-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: #fff;
  border: 1px solid #dbeafe;
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  color: #0f172a;
  position: relative;
}

.catalog-card:hover {
  border-color: #93c5fd;
  box-shadow: 0 12px 26px rgba(37, 99, 235, 0.12);
}

.catalog-card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  background: #f8fafc;
}

.catalog-fire-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 24px;
  line-height: 1;
  text-shadow: 0 6px 14px rgba(15, 23, 42, 0.18);
}

.catalog-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
}

.catalog-card-title {
  font-size: 14px;
  line-height: 1.5;
  color: #0f172a;
}

.catalog-card-price {
  margin-top: auto;
  display: inline-flex;
  align-self: flex-start;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid #dbeafe;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 13px;
  font-weight: 700;
}

.catalog-landing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.catalog-landing-card {
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 16px;
  background: #fff;
}

.catalog-landing-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: #0f172a;
}

.catalog-landing-card p {
  margin: 0;
  color: #64748b;
  line-height: 1.7;
}

.catalog-empty {
  padding: 18px;
  border: 1px dashed #cbd5e1;
  border-radius: 14px;
  background: #f8fafc;
  color: #64748b;
  text-align: center;
}

@media (max-width: 1024px) {
  .catalog-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .catalog-page {
    grid-template-columns: 1fr;
    padding: 16px 12px 24px;
  }

  .catalog-sidebar {
    position: static;
    top: auto;
  }

  .catalog-hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .catalog-sidebar-card {
    position: static;
    max-height: none;
    overflow: visible;
  }

  .catalog-main {
    padding: 14px;
  }

  .catalog-section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .catalog-filter {
    width: 100%;
  }

  .catalog-filter select {
    width: 100%;
  }

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

@media (max-width: 520px) {
  .catalog-hero {
    padding: 16px;
  }

  .catalog-hero h1 {
    font-size: 24px;
  }

  .catalog-grid,
  .catalog-landing-grid {
    grid-template-columns: 1fr;
  }
}