/* ============================================
   Katalog – Marka renkleri & dark theme
   Primary: #D46A3A (kiremit turuncu)
   Secondary: #7A1E3A (vişne çürüğü)
   Black: #0B0B0B
   ============================================ */
:root {
  --c-primary: #D46A3A;
  --c-primary-hover: #c25d2f;
  --c-secondary: #7A1E3A;
  --c-secondary-hover: #6a1a32;
  --c-black: #0B0B0B;
  --c-bg: #0B0B0B;
  --c-text: #f0f0f0;
  --c-muted: #9a9a9a;
  --c-card: #161616;
  --c-card-hover: #1c1c1c;
  --c-border: #2a2a2a;
  --c-input-bg: #141414;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  --touch-min: 44px;
}

/* Reset / scope */
.katalog-page {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.katalog-page *,
.katalog-page *::before,
.katalog-page *::after {
  box-sizing: border-box;
}

#wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ----- Header ----- */
.katalog-header {
  background: var(--c-black);
  border-bottom: 1px solid var(--c-border);
  padding: 12px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--c-text);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-img {
  height: 40px;
  width: auto;
  display: block;
}

.logo-text {
  color: var(--c-text);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--c-muted);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--c-primary);
}

.nav-toggle {
  width: var(--touch-min);
  height: var(--touch-min);
  padding: 0;
  border: 1px solid var(--c-border);
  background: var(--c-card);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--c-text);
  font-size: 1.25rem;
}

@media (max-width: 767px) {
  .katalog-page .header-inner {
    position: relative;
  }
  .katalog-page.nav-open .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--c-black);
    border-bottom: 1px solid var(--c-border);
    padding: 12px;
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
  .nav-toggle {
    display: none;
  }
}

/* ----- Hero ----- */
.katalog-hero {
  padding: 24px 0;
  text-align: center;
}

.katalog-title {
  margin: 0 0 4px 0;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--c-text);
}

.katalog-subtitle {
  margin: 0;
  font-size: 1rem;
  color: var(--c-muted);
}

/* ----- Toolbar (sticky) ----- */
.katalog-toolbar {
  position: sticky;
  top: 65px;
  z-index: 50;
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-border);
  padding: 12px 0;
}

.search-wrap {
  margin-bottom: 12px;
}

.search-input {
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  display: block;
  padding: 12px 16px;
  font-size: 1rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-input-bg);
  color: var(--c-text);
  outline: none;
}

.search-input::placeholder {
  color: var(--c-muted);
}

.search-input:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(212, 106, 58, 0.2);
}

/* Chips */
.chips-wrap {
  overflow: hidden;
}

.chips-scroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.chips-scroll::-webkit-scrollbar {
  height: 6px;
}

.chips-scroll::-webkit-scrollbar-thumb {
  background: var(--c-border);
  border-radius: 3px;
}

.chip {
  flex-shrink: 0;
  min-height: var(--touch-min);
  padding: 0 18px;
  border: 1px solid var(--c-border);
  border-radius: 999px;
  background: var(--c-card);
  color: var(--c-muted);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.chip:hover {
  background: var(--c-card-hover);
  color: var(--c-text);
  border-color: var(--c-muted);
}

.chip.active {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
}

/* ----- Content ----- */
.katalog-content {
  flex: 1;
  padding: 24px 15px 48px;
}

.katalog-loading {
  padding: 24px 0;
}

.skeleton {
  background: linear-gradient(90deg, var(--c-card) 25%, var(--c-border) 50%, var(--c-card) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.2s ease-in-out infinite;
  border-radius: var(--radius);
}

.skeleton-title {
  height: 32px;
  width: 60%;
  max-width: 280px;
  margin-bottom: 20px;
}

.skeleton-card {
  height: 220px;
}

.skeleton-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .skeleton-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .skeleton-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@keyframes skeleton {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Error state */
.katalog-error {
  text-align: center;
  padding: 48px 24px;
}

.error-msg {
  margin: 0 0 16px 0;
  color: var(--c-muted);
  font-size: 1rem;
}

.btn-retry {
  min-height: var(--touch-min);
  padding: 0 24px;
  background: var(--c-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-retry:hover {
  background: var(--c-primary-hover);
}

/* Category section */
.katalog-section {
  margin-bottom: 40px;
}

.katalog-section-title {
  margin: 0 0 16px 0;
  padding-bottom: 8px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-text);
  border-bottom: 2px solid var(--c-primary);
  scroll-margin-top: 140px;
}

/* Product grid */
.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Product card */
.product-card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s, background 0.2s;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--c-primary);
  background: var(--c-card-hover);
}

.product-card-img-wrap {
  aspect-ratio: 4 / 3;
  background: var(--c-border);
  position: relative;
  overflow: hidden;
}

.product-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-card-img-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--c-secondary) 0%, var(--c-black) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-muted);
  font-size: 2.5rem;
}

.product-card-body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card-title {
  margin: 0 0 6px 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--c-text);
  line-height: 1.3;
}

.product-card-desc {
  margin: 0 0 12px 0;
  font-size: 0.875rem;
  color: var(--c-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-price {
  margin-top: auto;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--c-primary);
}

/* Utility */
.hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Footer */
.katalog-footer {
  margin-top: auto;
  padding: 32px 0;
  border-top: 1px solid var(--c-border);
  background: var(--c-black);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  text-align: center;
}

.footer-col {
  font-size: 0.9375rem;
  color: var(--c-muted);
}

.footer-col h3 {
  margin: 0 0 8px 0;
  font-size: 1rem;
  color: var(--c-text);
}

.footer-logo .logo-img {
  height: 48px;
  width: auto;
  opacity: 0.9;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-min);
  height: var(--touch-min);
  color: var(--c-muted);
  margin: 0 4px;
  border-radius: var(--radius-sm);
}

.footer-social a:hover {
  color: var(--c-primary);
}

@media (min-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    text-align: left;
  }
  .footer-logo {
    text-align: center;
  }
  .footer-social {
    text-align: right;
  }
}

/* Footer Epiked credit */
.footer-credit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 14px;
}
.footer-credit a {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--c-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s;
}
.footer-credit a:hover { color: #60a5fa; }
.footer-credit img { height: 28px; width: auto; display: block; }