/* =============================================================================
   PRODUCT DETAIL — Ürün detay sayfası: galeri, teknik veri, ilgili ürünler
   ========================================================================== */

/* -----------------------------------------------------------------------------
   0. Sayfa yolu şeridi
   Sabit başlığın altına oturur; galeriye kadar ölçülü bir boşluk bırakır.
   -------------------------------------------------------------------------- */
.pdp-crumbs {
  padding-top: calc(var(--header-h) + var(--sp-6));
  padding-bottom: var(--sp-6);
}

/* -----------------------------------------------------------------------------
   1. Üst blok — galeri + özet, iki sütun
   -------------------------------------------------------------------------- */
.pdp {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

/* Özet sütunu, galeri kaydırılırken ekranda kalır */
.pdp__summary { position: sticky; top: calc(var(--header-h-sm) + var(--sp-6)); }

/* -----------------------------------------------------------------------------
   2. Galeri
   -------------------------------------------------------------------------- */
.gallery__stage {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: var(--sand);
  cursor: zoom-in;
}
.gallery__stage img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: opacity var(--dur) var(--ease), transform 1.2s var(--ease-out);
}
.gallery__stage:hover img { transform: scale(1.035); }

/* Görsel geçişi sırasında kısa bir soluklaşma */
.gallery__stage.is-swapping img { opacity: 0; transition: opacity 0.2s var(--ease); }

/* Büyütme ipucu */
.gallery__zoom {
  position: absolute;
  right: var(--sp-4); bottom: var(--sp-4);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.6rem 1rem;
  border-radius: var(--r-pill);
  background: rgba(250, 246, 243, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--ink);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  pointer-events: none;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease-out);
}
.gallery__stage:hover .gallery__zoom { opacity: 1; transform: translateY(0); }

/* Küçük görseller */
.gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(84px, 1fr));
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}
.gallery__thumb {
  position: relative;
  aspect-ratio: 1 / 1;
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  background: var(--sand);
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease-out);
}
.gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery__thumb:hover { transform: translateY(-2px); }
.gallery__thumb.is-active { border-color: var(--rose-deep); }

/* Aktif küçük görselin üstündeki ince perde */
.gallery__thumb::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(250, 246, 243, 0.5);
  transition: opacity var(--dur) var(--ease);
}
.gallery__thumb.is-active::after,
.gallery__thumb:hover::after { opacity: 0; }

/* -----------------------------------------------------------------------------
   3. Büyütme katmanı (lightbox)
   -------------------------------------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: rgba(20, 16, 14, 0.94);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease), visibility var(--dur);
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--r-sm);
  transform: scale(0.96);
  transition: transform var(--dur-slow) var(--ease-out);
}
.lightbox.is-open img { transform: scale(1); }

.lightbox__close {
  position: absolute;
  top: clamp(1rem, 3vw, 2rem);
  right: clamp(1rem, 3vw, 2rem);
  display: flex; align-items: center; justify-content: center;
  width: 46px; height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  background: transparent;
  color: var(--white);
  font-size: 1.15rem;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.lightbox__close:hover { background: rgba(255, 255, 255, 0.12); border-color: var(--white); }

/* -----------------------------------------------------------------------------
   4. Özet sütunu
   -------------------------------------------------------------------------- */
.pdp__kicker { margin-bottom: var(--sp-3); }
.pdp__title { margin-bottom: var(--sp-4); font-size: var(--fs-h1); }
.pdp__excerpt {
  margin-bottom: var(--sp-6);
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid var(--line);
  font-size: var(--fs-lead);
  color: var(--ink-600);
}

/* -----------------------------------------------------------------------------
   Teknik özellik kartları (alt kumaş sayfası)
   Sütun sayısı PHP'den gelir (--spec-cols): kart sayısı kadar, en fazla 4.
   2 kart → %50, 3 kart → %33.33, 4 kart → %25, 5 kart → 4'ü üstte + 1'i altta,
   hepsi %25 genişlikte.
   -------------------------------------------------------------------------- */
.spec-cards {
  display: grid;
  grid-template-columns: repeat(var(--spec-cols, 4), minmax(0, 1fr));
  gap: var(--sp-3);
  margin: 0 0 var(--sp-6);
  padding: 0;
  list-style: none;
}
.spec-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  margin: 0;
  padding: var(--sp-4) var(--sp-3);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  text-align: center;
}
.spec-card__name {
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-400);
}
.spec-card__value {
  font-size: var(--fs-body);
  font-weight: 500;
  line-height: 1.3;
  color: var(--ink);
}

/* Dar ekranda en fazla 2 sütun, çok darda tek sütun */
@media (max-width: 767.98px) {
  .spec-cards { grid-template-columns: repeat(min(var(--spec-cols, 4), 2), minmax(0, 1fr)); }
}
@media (max-width: 419.98px) {
  .spec-cards { grid-template-columns: 1fr; }
}
/* Öne çıkan özellikler — işaretli liste */
.pdp__features { margin: 0 0 var(--sp-7); padding: 0; list-style: none; display: grid; gap: var(--sp-3); }
.pdp__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--ink-600);
}
.pdp__features i { flex-shrink: 0; margin-top: 0.3em; color: var(--rose-deep); font-size: 0.9rem; }

/* Aksiyonlar */
.pdp__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-bottom: var(--sp-7); }

/* Hızlı iletişim kutusu */
.pdp__help {
  padding: clamp(1.25rem, 2vw, 1.75rem);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--rose-wash);
}
.pdp__help p { margin-bottom: var(--sp-3); font-size: var(--fs-sm); color: var(--ink-600); }
.pdp__help a { display: inline-flex; align-items: center; gap: var(--sp-2); font-size: var(--fs-sm); }

/* -----------------------------------------------------------------------------
   5. Teknik veri tablosu
   -------------------------------------------------------------------------- */
.specs { border-top: 1px solid var(--line); }
.specs__row {
  display: grid;
  grid-template-columns: minmax(140px, 240px) 1fr;
  gap: var(--sp-5);
  padding-block: var(--sp-5);
  border-bottom: 1px solid var(--line);
  transition: background var(--dur-fast) var(--ease);
}
.specs__row:hover { background: var(--rose-wash); }
.specs__key {
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-400);
}
.specs__value { color: var(--ink); }

/* -----------------------------------------------------------------------------
   6. Açıklama bloğu
   -------------------------------------------------------------------------- */
.pdp-body { max-width: 68ch; }
.pdp-body p { font-size: var(--fs-lead); line-height: 1.8; color: var(--ink-600); }

/* Kullanım alanı etiketleri */
.usage-list { display: flex; flex-wrap: wrap; gap: var(--sp-2); }

/* -----------------------------------------------------------------------------
   7. Sonraki / önceki ürün gezinmesi
   -------------------------------------------------------------------------- */
.pdp-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  padding-block: var(--sp-7);
  border-top: 1px solid var(--line);
}
.pdp-nav__item {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-5);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  color: var(--ink);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.pdp-nav__item:hover { background: var(--white); border-color: var(--rose); color: var(--ink); }
.pdp-nav__item--next { justify-content: flex-end; text-align: right; }
.pdp-nav__label { display: block; font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-400); }
.pdp-nav__name { display: block; margin-top: 4px; font-family: var(--font-display); font-size: 1.35rem; }
.pdp-nav__item i { flex-shrink: 0; font-size: 1.1rem; color: var(--rose-deep); transition: transform var(--dur) var(--ease-out); }
.pdp-nav__item--prev:hover i { transform: translateX(-4px); }
.pdp-nav__item--next:hover i { transform: translateX(4px); }

/* -----------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 991.98px) {
  .pdp { grid-template-columns: 1fr; }
  .pdp__summary { position: static; }
}

@media (max-width: 575.98px) {
  .specs__row { grid-template-columns: 1fr; gap: var(--sp-2); padding-block: var(--sp-4); }
  .pdp-nav { grid-template-columns: 1fr; }
  .pdp-nav__item--next { justify-content: flex-start; text-align: left; flex-direction: row-reverse; }
  .pdp__actions .btn-ak { width: 100%; }
  .gallery__thumbs { grid-template-columns: repeat(4, 1fr); }
}

/* -----------------------------------------------------------------------------
   Alt kumaş çeşitleri (kategori detay sayfası)
   -------------------------------------------------------------------------- */
.variant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: clamp(1rem, 2vw, 1.75rem);
}
.variant-card { display: flex; }
.variant-card__link {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3, 0.75rem);
  width: 100%;
  color: inherit;
  text-decoration: none;
}
.variant-card__media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--r-lg, 14px);
  background: var(--surface-2, #f3efec);
  border: 1px solid var(--line);
}
.variant-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--dur) var(--ease-out);
}
.variant-card__go {
  position: absolute;
  right: 12px; bottom: 12px;
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--white, #fff);
  color: var(--rose-deep);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.variant-card__link:hover .variant-card__media img { transform: scale(1.04); }
.variant-card__link:hover .variant-card__go { opacity: 1; transform: translateY(0); }
.variant-card__link:focus-visible .variant-card__go { opacity: 1; transform: translateY(0); }
.variant-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--ink);
  transition: color var(--dur) var(--ease-out);
}
.variant-card__link:hover .variant-card__title { color: var(--rose-deep); }
@media (max-width: 575.98px) {
  .variant-grid { grid-template-columns: repeat(2, 1fr); }
}