.product-wrap {
  max-width: 1280px; margin: 0 auto;
  padding: 120px 48px 80px;
  display: grid; grid-template-columns: 1fr 480px;
  gap: 64px; align-items: start;
}

.gallery { position: sticky; top: 100px; }
.gallery-main {
  background: #fff; aspect-ratio: 1/1;
  overflow: hidden; margin-bottom: 12px; cursor: zoom-in;
}
.gallery-main img {
  width: 100%; height: 100%; object-fit: contain;
  padding: 24px; transition: transform .4s ease;
}
.gallery-main:hover img { transform: scale(1.05); }
.gallery-thumbs { display: flex; gap: 10px; }
.thumb {
  width: 80px; height: 80px; background: #fff;
  border: 2px solid transparent; cursor: pointer;
  overflow: hidden; flex-shrink: 0; transition: border-color .2s;
}
.thumb.active { border-color: var(--dark); }
.thumb img { width: 100%; height: 100%; object-fit: contain; padding: 6px; }

.product-info { padding-top: 8px; }
.product-brand { font-size: .6rem; letter-spacing: .4em; text-transform: uppercase; color: var(--red); margin-bottom: 12px; }
.product-name { font-family: 'Cormorant Garamond', serif; font-size: 2.8rem; font-weight: 300; line-height: 1.1; margin-bottom: 6px; }
.product-subtitle { font-size: .75rem; color: var(--mid); letter-spacing: .1em; margin-bottom: 24px; font-weight: 300; }
.product-price { font-size: 1.5rem; font-weight: 400; letter-spacing: .03em; margin-bottom: 32px; }

.divider { border: none; border-top: 1px solid var(--border); margin: 28px 0; }

.option-label { font-size: .6rem; letter-spacing: .3em; text-transform: uppercase; color: var(--mid); margin-bottom: 12px; }

.size-grid { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.size-btn {
  width: 52px; height: 52px; border: 1px solid var(--border);
  background: #fff; font-size: .7rem; letter-spacing: .1em;
  cursor: pointer; font-family: 'Montserrat', sans-serif;
  transition: background .2s, border-color .2s;
}
.size-btn:hover { border-color: var(--dark); }
.size-btn.active { background: var(--dark); color: #fff; border-color: var(--dark); }
.size-btn.sold-out { opacity: .3; cursor: not-allowed; text-decoration: line-through; }

.size-guide {
  font-size: .6rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--mid); text-decoration: underline; cursor: pointer;
  margin-bottom: 28px; display: inline-block;
}

.btn-add {
  width: 100%; padding: 18px; background: var(--dark); color: #fff;
  border: none; font-family: 'Montserrat', sans-serif;
  font-size: .7rem; letter-spacing: .3em; text-transform: uppercase;
  cursor: pointer; margin-bottom: 12px; transition: background .2s;
}
.btn-add:hover { background: #333; }
.btn-wishlist {
  width: 100%; padding: 16px; background: transparent; color: var(--dark);
  border: 1px solid var(--border); font-family: 'Montserrat', sans-serif;
  font-size: .7rem; letter-spacing: .3em; text-transform: uppercase;
  cursor: pointer; margin-bottom: 28px; transition: border-color .2s;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-wishlist svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.4; }
.btn-wishlist:hover { border-color: var(--dark); }

.accordion { border-top: 1px solid var(--border); }
.accordion-item { border-bottom: 1px solid var(--border); }
.accordion-btn {
  width: 100%; padding: 18px 0; background: none; border: none;
  display: flex; align-items: center; justify-content: space-between;
  font-family: 'Montserrat', sans-serif; font-size: .65rem;
  letter-spacing: .25em; text-transform: uppercase; cursor: pointer; color: var(--dark);
}
.accordion-btn svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.5; transition: transform .3s; }
.accordion-btn.open svg { transform: rotate(45deg); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height .35s ease; font-size: .78rem; line-height: 1.9; color: var(--mid); font-weight: 300; }
.accordion-body.open { max-height: 400px; }
.accordion-body-inner { padding-bottom: 20px; }

/* USP */
.usp-row { display: flex; gap: 20px; margin-bottom: 32px; flex-wrap: wrap; }
.usp-item { flex: 1; text-align: center; min-width: 80px; }
.usp-icon { font-size: 1.2rem; margin-bottom: 6px; }
.usp-text { font-size: .58rem; letter-spacing: .15em; text-transform: uppercase; color: var(--mid); line-height: 1.6; }

/* RELATED */
.related-section { max-width: 1280px; margin: 0 auto; padding: 60px 48px 80px; }
.related-title { font-family: 'Cormorant Garamond', serif; font-size: 1.8rem; font-weight: 300; margin-bottom: 32px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.related-item { cursor: pointer; text-decoration: none; color: inherit; }
.related-img { background: #fff; aspect-ratio: 3/4; overflow: hidden; margin-bottom: 14px; }
.related-img img { width: 100%; height: 100%; object-fit: contain; padding: 16px; transition: transform .5s; }
.related-item:hover .related-img img { transform: scale(1.04); }
.related-name { font-family: 'Cormorant Garamond', serif; font-size: 1.1rem; font-weight: 300; }
.related-price { font-size: .75rem; color: var(--mid); margin-top: 4px; }

/* LIGHTBOX */
.lightbox {
  display: none; position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,.92); align-items: center; justify-content: center;
}
.lightbox.active { display: flex; }
.lightbox-img {
  max-width: 90vw; max-height: 90vh;
  object-fit: contain;
  animation: lbfade .2s ease;
}
@keyframes lbfade { from { opacity:0; transform:scale(.97); } to { opacity:1; transform:none; } }
.lightbox-close {
  position: absolute; top: 24px; right: 32px;
  color: #fff; font-size: 2rem; cursor: pointer; opacity: .6; line-height: 1;
}
.lightbox-close:hover { opacity: 1; }
.lightbox-prev, .lightbox-next {
  position: absolute; top: 50%; transform: translateY(-50%);
  color: #fff; font-size: 2rem; cursor: pointer; opacity: .5;
  padding: 16px; user-select: none;
}
.lightbox-prev:hover, .lightbox-next:hover { opacity: 1; }
.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }
.lightbox-counter {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
  font-size: .65rem; letter-spacing: .3em; color: rgba(255,255,255,.4);
  text-transform: uppercase;
}