/* ============================================
   FERPAŞ — Katalog / Koleksiyon sayfası
   Kotil tarzı ürün grid
   ============================================ */

.katalog-hero {
  background: var(--navy-deep);
  color: var(--white);
  padding: 120px 0 56px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  margin-bottom: 28px;
}

.breadcrumb a {
  color: rgba(255,255,255,0.55);
}

.breadcrumb a:hover {
  color: var(--white);
}

.katalog-hero .section-eyebrow {
  color: var(--accent);
}

.katalog-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.katalog-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  max-width: 560px;
  line-height: 1.65;
  margin-bottom: 24px;
}

.katalog-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.katalog-chip {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 14px;
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.8);
}

/* Toolbar */
.katalog-toolbar {
  position: sticky;
  top: 64px;
  z-index: 90;
  background: var(--white);
  border-bottom: 1px solid var(--light-gray);
  padding: 14px 0;
}

.katalog-toolbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.katalog-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.katalog-tab {
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 16px;
  border: none;
  background: transparent;
  color: var(--text-light);
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.2s ease;
}

.katalog-tab:hover {
  color: var(--navy);
  background: var(--off-white);
}

.katalog-tab.active {
  background: var(--navy);
  color: var(--white);
}

.katalog-count {
  font-size: 0.8rem;
  color: var(--muted);
  white-space: nowrap;
}

/* Grid */
.katalog-grid-section {
  padding: 48px 0 80px;
  background: var(--off-white);
}

.katalog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.katalog-item {
  text-decoration: none;
  color: inherit;
  background: var(--white);
  overflow: hidden;
  border: 1px solid transparent;
  transition: all 0.35s var(--ease-out);
  cursor: default;
}

.katalog-item:hover {
  border-color: rgba(10,22,40,0.1);
  box-shadow: 0 12px 32px rgba(10,22,40,0.08);
  transform: translateY(-3px);
}

.katalog-item-img {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--light-gray);
}

.katalog-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

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

.katalog-item-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--navy);
  color: var(--white);
  padding: 5px 10px;
}

.katalog-item-info {
  padding: 16px 16px 20px;
}

.katalog-item-info h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.katalog-item-code {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 6px;
  font-family: ui-monospace, monospace;
}

.katalog-item-note {
  font-size: 0.8rem;
  color: var(--text-light);
}

.katalog-hint {
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 40px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

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

@media (max-width: 768px) {
  .katalog-hero {
    padding: 100px 0 40px;
  }
  .katalog-toolbar {
    top: 56px;
  }
  .katalog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .katalog-item-info {
    padding: 12px;
  }
  .katalog-item-info h3 {
    font-size: 0.85rem;
  }
}

@media (max-width: 400px) {
  .katalog-grid {
    grid-template-columns: 1fr 1fr;
  }
}