/* ================================================
   PRODUCT_DETAIL.CSS
   Standalone stylesheet untuk halaman Product Detail.
   Menggunakan design tokens yang sama dengan product_sale.css
   (warna, font, breakpoint system) agar konsisten.

   Breakpoint system (sama seperti product_sale.css):
   --bp-xl   : 1440px
   --bp-lg   : 1280px
   --bp-md   : 1024px
   --bp-sm   : 768px
   --bp-xs   : 540px
   --bp-2xs  : 380px
================================================ */


/* ================================================
   1. LOCAL VARIABLES
================================================ */
:root {
  --clr-sale: #c0392b;
}


/* ================================================
   2. SCROLL REVEAL (sama seperti product_sale.css)
================================================ */
.reveal,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal       { transform: translateY(16px); }
.reveal-left  { transform: translateX(-24px); }
.reveal-right { transform: translateX(24px); }
.reveal.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0, 0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-left, .reveal-right {
    opacity: 1;
    transform: none;
    transition: none;
  }
}


/* ================================================
   3. BREADCRUMB
================================================ */
.pd-breadcrumb {
  margin-top: 72px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  background: var(--warm-white);
}
.pd-breadcrumb a {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--transition);
}
.pd-breadcrumb a:hover { color: var(--clr-accent); }
.pd-breadcrumb-sep {
  font-size: 11px;
  color: var(--clr-soft);
  margin: 0 8px;
}
.pd-breadcrumb-current {
  font-size: 11px;
  color: var(--charcoal);
  font-weight: 500;
}


/* ================================================
   4. MAIN LAYOUT
================================================ */
.pd-main {
  padding: 48px 0 0;
  background: var(--warm-white);
}
.pd-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: start;
}


/* ================================================
   5. GALLERY
   Layout: thumbnail vertikal (kiri) + gambar besar (kanan)
================================================ */
.pd-gallery {
  position: sticky;
  top: 88px;
}
.pd-gallery-layout {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 10px;
}
.pd-gallery-main {
  position: relative;
  overflow: hidden;
  background: var(--cream);
  aspect-ratio: 3/4;
  cursor: zoom-in;
}
.pd-gallery-img {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: opacity 0.25s ease;
}

/* Badges di atas gallery */
.pd-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  z-index: 3;
}
.pd-badge-sale    { background: #cb3115; color: white; }
.pd-badge-limited { background: var(--clr-dark); color: white; top: 44px; }

/* Ikon zoom (hint visual bahwa gambar bisa dibuka fullscreen) */
.pd-zoom-hint {
  position: absolute;
  bottom: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(6px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--charcoal);
  z-index: 4;
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.pd-gallery-main:hover .pd-zoom-hint { opacity: 1; }
.pd-zoom-hint svg { width: 15px; height: 15px; }

/* Prev/Next slideshow */
.pd-slide-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(6px);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--charcoal);
  z-index: 4;
  opacity: 0;
  cursor: pointer;
  line-height: 1;
  transition: background var(--transition), opacity var(--transition);
}
.pd-gallery-main:hover .pd-slide-btn { opacity: 1; }
.pd-slide-btn:hover { background: var(--clr-dark); color: white; }
.pd-prev { left: 14px; }
.pd-next { right: 14px; }

/* Thumbnails — kolom vertikal di kiri */
.pd-thumbs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 600px;
  overflow-y: auto;
  scrollbar-width: none;
  padding-right: 2px;
}
.pd-thumbs::-webkit-scrollbar { display: none; }
.pd-thumb {
  width: 76px;
  height: 96px;
  flex-shrink: 0;
  background-size: cover;
  background-position: center;
  cursor: pointer;
  opacity: 0.5;
  border: 1px solid transparent;
  transition: opacity var(--transition), border-color var(--transition);
}
.pd-thumb:hover  { opacity: 0.85; }
.pd-thumb.active { opacity: 1; border-color: var(--clr-accent); }


/* ================================================
   6. PRODUCT INFO
   Sticky di top yang sama dengan gallery, supaya tidak pernah
   tertutup navbar selama gallery masih "discroll" di kiri.
   max-height + overflow-y:auto sebagai pengaman kalau konten
   sidebar lebih tinggi dari viewport.
================================================ */
 .pd-info {
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 88px;
  align-self: start;
}
.pd-info::-webkit-scrollbar { display: none; }

/* ================================================
   HEADER BLOCK — category + nama + stock + price
   Disatukan jadi satu kesatuan visual yang koheren,
   dipisah dari section berikutnya oleh 1 border tunggal.
================================================ */
.pd-header-block {
  border-bottom: 1px solid var(--border);
  padding-bottom: 24px;
  margin-bottom: 26px;
}

.pd-category {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 6px;
}

/* Nama produk + stock badge sejajar di baris yang sama */
.pd-name-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}
.pd-name {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 300;
  color: var(--charcoal);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom:0;
}

.pd-stock-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 12px 6px 9px;
  border-radius: 999px;
  border: 1px solid transparent;
  flex-shrink: 0;
  margin-top: 6px; /* sejajar optik dengan baseline judul */
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.pd-stock-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.pd-stock-badge.in-stock {
  background: rgba(63, 142, 88, 0.1);
  color: #2f6e44;
  border-color: rgba(63, 142, 88, 0.25);
}
.pd-stock-badge.in-stock .pd-stock-dot {
  background: #3f8e58;
  box-shadow: 0 0 0 3px rgba(63, 142, 88, 0.18);
}
.pd-stock-badge.out-stock {
  background: rgba(192, 57, 43, 0.08);
  color: var(--clr-sale);
  border-color: rgba(192, 57, 43, 0.22);
}
.pd-stock-badge.out-stock .pd-stock-dot {
  background: var(--clr-sale);
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.16);
}

/* Price block — polos, tanpa background/card. Garis tipis atas-bawah
   sebagai pembatas visual, harga & promo notes tetap menyatu sebagai
   satu kelompok informasi. */
/* .pd-price-block {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
} */
.pd-price-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.pd-price {
  font-family: var(--font-display);
  font-size: 27px;
  font-weight: 400;
  color: var(--clr-sale);
}
.pd-price-old {
  font-size: 15px;
  color: var(--muted);
  text-decoration: line-through;
  font-style: italic;
}
.pd-price-discount-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--clr-sale);
  border: 1px solid rgba(192, 57, 43, 0.3);
  padding: 3px 9px;
  border-radius: 999px;
  align-self: center;
  margin-left: auto;
}

/* Promo notes — tetap di bawah harga, dipisah garis putus-putus tipis
   sebagai "fine print", tanpa kotak/background */
.pd-promo-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 12px;
  padding-top: 12px;
  /* border-top: 1px dashed var(--border); */
}
.pd-max-discount-note,
.pd-min-purchase-note {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  letter-spacing: 0.01em;
}
.pd-max-discount-note svg,
.pd-min-purchase-note svg { flex-shrink: 0; opacity: 0.8; }
.pd-max-discount-note { color: var(--clr-sale); }
.pd-min-purchase-note { color: var(--muted); }

/* Option groups (warna / ukuran) */
.pd-option-group {
  margin-bottom: 26px;
}
.pd-option-label {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 12px;
}
.pd-option-label #pdColorName {
  color: var(--charcoal);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* Color dots */
.pd-colors {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding: 3px 3px 3px 4px; /* ruang ekstra agar box-shadow .active tidak terclip */
}
.pd-color-dot {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.1);
  cursor: pointer;
  position: relative;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.pd-color-dot:hover { transform: scale(1.1); }
.pd-color-dot.active {
  box-shadow: 0 0 0 2px white, 0 0 0 3px var(--clr-accent);
}
.pd-color-dot.out-of-stock {
  opacity: 0.35;
  cursor: not-allowed;
}
.pd-color-dot.out-of-stock::after {
  content: '';
  position: absolute;
  top: 50%; left: -2px; right: -2px;
  height: 1px;
  background: var(--muted);
  transform: rotate(-45deg);
}

/* Size buttons */
.pd-sizes {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.pd-size-btn {
  min-width: 48px;
  height: 48px;
  padding: 0 14px;
  border: 1px solid var(--border);
  background: var(--cream);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--charcoal);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
}
.pd-size-btn:hover:not(.disabled) {
  border-color: var(--clr-soft);
}
.pd-size-btn.active {
  background: var(--clr-dark);
  border-color: var(--clr-dark);
  color: white;
}
.pd-size-btn.disabled {
  background: var(--cream);
  color: var(--clr-soft);
  cursor: not-allowed;
  border-style: dashed;
}
.pd-size-soldout-tag {
  font-size: 8px;
  font-style: normal;
  letter-spacing: 0.02em;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: 2px;
}
.pd-size-warning {
  font-size: 11px;
  color: var(--clr-sale);
  margin-top: 10px;
}

/* Qty + Actions */
.pd-actions {
  display: flex;
  align-items: stretch;
  gap: 10px;
  margin-bottom: 28px;
}
.pd-qty {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.pd-qty button {
  width: 40px;
  height: 50px;
  background: transparent;
  border: none;
  font-size: 16px;
  color: var(--charcoal);
  cursor: pointer;
  transition: background var(--transition);
}
.pd-qty button:hover { background: var(--cream); }
.pd-qty input {
  width: 40px;
  height: 50px;
  border: none;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--charcoal);
  background: transparent;
}
.pd-atc-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: white;
  background: var(--clr-dark);
  border: none;
  padding: 0 24px;
  height: 50px;
  transition: background var(--transition);
  cursor: pointer;
}
.pd-atc-btn:hover { background: var(--clr-accent); }
.pd-atc-btn:disabled {
  background: var(--clr-soft);
  cursor: not-allowed;
}
.pd-wishlist-btn {
  width: 50px;
  height: 50px;
  flex-shrink: 0;
  border: 1px solid var(--border);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--charcoal);
  cursor: pointer;
  transition: all var(--transition);
}
.pd-wishlist-btn:hover { border-color: var(--clr-accent); color: var(--clr-accent); }
.pd-wishlist-btn.active { background: var(--clr-accent); border-color: var(--clr-accent); color: white; }
.pd-wishlist-btn svg { width: 16px; height: 16px; }


/* ================================================
   6B. FULLSCREEN IMAGE VIEWER (LIGHTBOX)
================================================ */
.pd-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20, 18, 15, 0.96);
  z-index: 3000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: none;
}
.pd-lightbox.open {
  opacity: 1;
  pointer-events: all;
}
.pd-lightbox-stage {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.pd-lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  width: auto;
  height: auto;
  object-fit: contain;
  cursor: zoom-in;
  transform-origin: center center;
  transition: transform 0.25s ease;
  user-select: none;
  -webkit-user-drag: none;
}
.pd-lightbox-img.zoomed {
  cursor: grab;
  transition: none;
}
.pd-lightbox-img.dragging {
  cursor: grabbing;
}

.pd-lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  z-index: 10;
  transition: background var(--transition);
}
.pd-lightbox-close:hover { background: rgba(255, 255, 255, 0.2); }
.pd-lightbox-close svg { width: 18px; height: 18px; }

.pd-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  cursor: pointer;
  z-index: 10;
  transition: background var(--transition);
}
.pd-lightbox-nav:hover { background: rgba(255, 255, 255, 0.2); }
.pd-lightbox-prev { left: 20px; }
.pd-lightbox-next { right: 20px; }

.pd-lightbox-counter {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.7);
  z-index: 10;
}

.pd-lightbox-hint {
  position: absolute;
  bottom: 24px;
  right: 24px;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.45);
  z-index: 10;
}

@media (max-width: 768px) {
  .pd-lightbox-nav { width: 38px; height: 38px; font-size: 20px; }
  .pd-lightbox-close { width: 36px; height: 36px; top: 14px; right: 14px; }
  .pd-lightbox-hint { display: none; }
}


/* ================================================
   6C. TAGS (visual, non-clickable)
================================================ */
.pd-tags-group {
  border-top: 1px solid var(--border);
  padding-top: 18px;
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pd-tags-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.pd-tags-label svg { flex-shrink: 0; opacity: 0.7; }
.pd-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pd-tag-chip {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--charcoal);
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.pd-tag-chip:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  background: rgba(0, 0, 0, 0.015);
}


/* ================================================
   7. DESCRIPTION / FABRICATION & CARE / SHIPPING & CARE
   (accordion expand / collapse)
   Setiap item punya border-bottom sendiri sebagai pemisah —
   pola accordion list standar: title+garis, title+garis, dst.
================================================ */
.pd-desc-group {
  border-bottom: 1px solid var(--border);
  padding-bottom: 18px;
  margin-bottom: 18px;
}
.pd-desc-group-last {
  margin-bottom: 0;
}
.pd-desc-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}
.pd-desc-toggle-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 400;
  color: var(--charcoal);
  letter-spacing: -0.01em;
}
.pd-desc-toggle-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--muted);
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
}
.pd-desc-toggle:hover .pd-desc-toggle-icon {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
}
.pd-desc-toggle.expanded .pd-desc-toggle-icon {
  transform: rotate(180deg);
  background: var(--clr-dark);
  border-color: var(--clr-dark);
  color: white;
}

.pd-description-content {
  font-size: 12px;
  font-weight: 300;
  line-height: 1.85;
  color: var(--muted);
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.3s ease, margin-top 0.35s ease;
}

/* Tertutup (default): cuma title yang tampil, tanpa preview teks sama sekali */
.pd-description-content.pd-desc-collapsed {
  max-height: 0;
  opacity: 0;
  margin-top: 0;
}

/* Terbuka penuh */
.pd-description-content.pd-desc-expanded {
  max-height: 1000px; /* nilai besar; dibatasi natural oleh tinggi konten asli */
  opacity: 1;
  margin-top: 14px;
}

.pd-description-content p  { margin-bottom: 0px; }
.pd-description-content ul,
.pd-description-content ol { padding-left: 20px; margin-bottom: 10px; }
.pd-description-content li { margin-bottom: 5px; }
.pd-description-content strong { font-weight: 600; color: var(--charcoal); }
.pd-description-content em { font-style: italic; }


/* ================================================
   8. RELATED PRODUCTS
================================================ */
.pd-related {
  padding: 64px 0 100px;
  background: var(--warm-white);
}

/* Header section — eyebrow + judul + garis dekoratif */
.pd-related-header {
  text-align: center;
  margin-bottom: 44px;
}
.pd-related-eyebrow {
  display: block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 10px;
}
.pd-related-title {
  position: relative;
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(24px, 2.6vw, 30px);
  font-weight: 300;
  color: var(--charcoal);
  letter-spacing: -0.01em;
  padding-bottom: 16px;
}
.pd-related-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 48px;
  height: 1px;
  background: var(--clr-accent);
  transform: translateX(-50%);
}
.pd-related-title::before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -1px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--clr-accent);
  transform: translateX(-50%);
}

.pd-related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.pd-related-card {
  display: block;
  text-decoration: none;
  color: inherit;
}
.pd-related-img {
  width: 100%;
  aspect-ratio: 3/4;
  background-size: cover;
  background-position: center;
  background-color: var(--cream);
  margin-bottom: 12px;
  transition: opacity var(--transition);
}
.pd-related-card:hover .pd-related-img { opacity: 0.85; }
.pd-related-category {
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 4px;
}
.pd-related-name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
  color: var(--charcoal);
  margin-bottom: 4px;
  line-height: 1.3;
}
.pd-related-price {
  font-size: 12px;
  font-weight: 500;
  color: var(--charcoal);
}


/* ================================================
   9. RESPONSIVE
================================================ */

/* ---- ≤1280px ---- */
@media (max-width: 1280px) {
  .pd-layout { gap: 40px; }
  .pd-related-grid { gap: 16px; }
}

/* ---- ≤1024px ---- */
@media (max-width: 1024px) {
  .pd-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .pd-gallery,
  .pd-info {
    position: static;
    max-height: none;
    overflow: visible;
  }
  .pd-gallery-main { aspect-ratio: 4/5; }
  .pd-related-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---- ≤768px ---- */
@media (max-width: 768px) {
  .pd-breadcrumb { margin-top: 64px; padding: 14px 0; }
  .pd-breadcrumb a,
  .pd-breadcrumb-current { font-size: 10px; }

  .pd-main { padding: 28px 0 0; }
  .pd-name { font-size: clamp(22px, 6vw, 28px); }

  .pd-name-row {
    flex-wrap: wrap;
  }
  .pd-stock-badge { margin-top: 4px; }

  .pd-price-block { padding: 14px 0; }
  .pd-price { font-size: 22px; }

  /* Gallery: kembali ke layout vertikal (gambar di atas, thumbnail di bawah)
     karena kolom thumbnail-kiri terlalu sempit untuk layar mobile */
  .pd-gallery-layout {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .pd-thumbs {
    flex-direction: row;
    max-height: none;
    overflow-x: auto;
    overflow-y: hidden;
  }
  .pd-thumb { width: 60px; height: 76px; }

  .pd-actions { flex-wrap: wrap; }
  .pd-atc-btn { order: 1; flex-basis: 100%; }
  .pd-qty { order: 2; }
  .pd-wishlist-btn { order: 3; }

  .pd-related { padding: 48px 0 64px; }
  .pd-related-header { margin-bottom: 32px; }
  .pd-related-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
}

/* ---- ≤540px ---- */
@media (max-width: 540px) {
  .pd-gallery-main { aspect-ratio: 3/4; }
  .pd-slide-btn { opacity: 1; width: 32px; height: 32px; font-size: 17px; }

  .pd-option-group { margin-bottom: 20px; }
  .pd-size-btn { height: 44px; min-width: 44px; font-size: 10px; }
  .pd-color-dot { width: 26px; height: 26px; }

  .pd-qty button,
  .pd-qty input { height: 46px; }
  .pd-atc-btn { height: 46px; font-size: 9px; }
  .pd-wishlist-btn { width: 46px; height: 46px; }

  .pd-related-name { font-size: 13px; }
}

/* ---- ≤380px ---- */
@media (max-width: 380px) {
  .pd-related-grid { grid-template-columns: 1fr; }
  .pd-sizes { gap: 6px; }
  .pd-size-btn { padding: 0 10px; }
}

/* ---- Touch device ---- */
@media (hover: none) and (pointer: coarse) {
  .pd-slide-btn { opacity: 1; }
}