.breadcrumbs { padding: 24px 0 16px; font-size: 13px; color: var(--ink-muted); }
  .breadcrumbs a:hover { color: var(--accent); }
  .breadcrumbs .sep { margin: 0 8px; color: var(--ink-soft-2); }
  .breadcrumbs .current { color: var(--ink); font-weight: 500; }

  /* product main layout */
  .prod-main { padding: 0 0 80px; }
  .prod-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: start; }

  /* gallery */
  .gallery-main { aspect-ratio: 4/5; border-radius: var(--radius-lg); overflow: hidden; position: relative; margin-bottom: 14px; }
  .gallery-main-zoom { position: absolute; top: 16px; right: 16px; width: 42px; height: 42px; border-radius: 50%; background: rgba(255,255,255,0.95); color: var(--ink); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all .2s; z-index: 2; }
  .gallery-main-zoom:hover { background: var(--ink); color: white; }
  .gallery-main-art { position: absolute; bottom: 16px; left: 16px; background: rgba(255,255,255,0.92); padding: 6px 12px; border-radius: 999px; font-size: 11px; font-weight: 700; letter-spacing: 0.05em; z-index: 2; }
  .gallery-thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
  .gallery-thumb { aspect-ratio: 1; border-radius: var(--radius-sm); overflow: hidden; cursor: pointer; position: relative; border: 2px solid transparent; transition: all .2s; }
  .gallery-thumb.active { border-color: var(--ink); }
  .gallery-thumb:hover { border-color: var(--accent); }
  .gallery-thumb.video::after { content: '\F4F4'; font-family: 'bootstrap-icons'; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 28px; height: 28px; background: rgba(255,255,255,0.95); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; color: var(--ink); }

  /* product details */
  .prod-details { position: sticky; top: 132px; }
  .prod-collection-pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; background: var(--accent-soft); color: var(--accent); border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 18px; }
  .prod-title-h1 { font-family: 'Playfair Display', serif; font-size: clamp(36px, 4.5vw, 52px); font-weight: 600; line-height: 1.05; letter-spacing: -0.02em; margin-bottom: 10px; }
  .prod-article-row { display: flex; gap: 16px; align-items: center; font-size: 13px; color: var(--ink-muted); margin-bottom: 28px; }
  .prod-rating { display: inline-flex; align-items: center; gap: 4px; color: var(--accent); }
  .prod-rating span { color: var(--ink-muted); }

  .prod-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
  .prod-tag { padding: 6px 14px; border: 1px solid var(--border); border-radius: 999px; font-size: 13px; font-weight: 500; background: white; }
  .prod-tag.accent { background: var(--accent); color: white; border-color: var(--accent); }
  .prod-tag.success { background: #e8f5ee; color: var(--green); border-color: transparent; }

  .price-box { background: var(--bg-soft); border-radius: var(--radius); padding: 28px; margin-bottom: 24px; }
  .price-box-row { display: flex; justify-content: space-between; align-items: end; gap: 16px; flex-wrap: wrap; }
  .price-box-label { font-size: 12px; color: var(--ink-muted); letter-spacing: 0.05em; text-transform: uppercase; font-weight: 700; margin-bottom: 6px; }
  .price-box-value { font-family: 'Playfair Display', serif; font-size: 36px; font-weight: 600; line-height: 1; }
  .price-box-hint { font-size: 13px; color: var(--ink-soft); margin-top: 8px; line-height: 1.5; max-width: 320px; }
  .price-box-time { display: inline-flex; align-items: center; gap: 6px; background: white; padding: 8px 14px; border-radius: 999px; font-size: 12px; font-weight: 600; color: var(--accent); }
  .price-box-time i { font-size: 14px; }

  .qty-row { display: flex; gap: 12px; align-items: center; margin-bottom: 18px; }
  .qty-label { font-size: 13px; color: var(--ink-muted); }
  .qty-stepper { display: inline-flex; align-items: center; border: 1px solid var(--border); border-radius: 999px; background: white; overflow: hidden; }
  .qty-btn { width: 40px; height: 44px; border: none; background: transparent; color: var(--ink); cursor: pointer; font-size: 16px; }
  .qty-btn:hover { background: var(--bg-soft); }
  .qty-input { width: 64px; height: 44px; border: none; text-align: center; font-family: inherit; font-size: 14px; font-weight: 600; outline: none; }
  .qty-unit { font-size: 13px; color: var(--ink-muted); margin-left: 4px; }

  .prod-actions { display: flex; gap: 12px; margin-bottom: 32px; }
  .prod-action-btn { flex: 1; padding: 18px 28px; border-radius: 999px; font-size: 14px; font-weight: 600; cursor: pointer; border: none; font-family: inherit; display: inline-flex; align-items: center; justify-content: center; gap: 10px; transition: all .25s; }
  .prod-action-primary { background: var(--ink); color: white; }
  .prod-action-primary:hover { background: var(--accent); }
  .prod-action-ghost { background: white; color: var(--ink); border: 1.5px solid var(--ink); flex: 0 0 auto; padding: 18px 22px; }
  .prod-action-ghost:hover { background: var(--ink); color: white; }

  /* trust line */
  .trust-line { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 20px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); margin-bottom: 32px; }
  .trust-item { display: flex; align-items: center; gap: 10px; font-size: 12px; }
  .trust-item i { color: var(--accent); font-size: 18px; flex-shrink: 0; }
  .trust-item strong { font-weight: 700; display: block; font-size: 13px; color: var(--ink); }
  .trust-item span { color: var(--ink-muted); }

  /* specs table */
  .specs-title { font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); margin-bottom: 16px; }
  .specs-list { background: var(--bg-soft); border-radius: var(--radius); padding: 6px 24px; }
  .specs-row { display: grid; grid-template-columns: 1fr 1.4fr; padding: 14px 0; border-bottom: 1px solid var(--border); }
  .specs-row:last-child { border: none; }
  .specs-key { font-size: 13px; color: var(--ink-muted); }
  .specs-val { font-size: 14px; font-weight: 500; }
  .specs-val.color-dot { display: inline-flex; align-items: center; gap: 8px; }
  .specs-val.color-dot::before { content: ''; width: 16px; height: 16px; border-radius: 50%; background: #d9c5a4; display: inline-block; border: 1px solid var(--border-strong); }

  /* description tabs */
  .prod-tabs-section { padding: 80px 0; background: var(--bg-soft); }
  .prod-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 40px; }
  .prod-tab { padding: 16px 24px; font-size: 14px; font-weight: 600; cursor: pointer; color: var(--ink-muted); border-bottom: 2px solid transparent; transition: all .2s; background: transparent; border-top: none; border-left: none; border-right: none; font-family: inherit; }
  .prod-tab.active { color: var(--ink); border-bottom-color: var(--accent); }
  .prod-tab:hover { color: var(--ink); }
  .prod-tab-content { display: grid; grid-template-columns: 2fr 1fr; gap: 56px; }
  .prod-tab-content h3 { font-family: 'Playfair Display', serif; font-size: 28px; font-weight: 600; margin-bottom: 16px; }
  .prod-tab-content p { font-size: 16px; line-height: 1.7; color: var(--ink-soft); margin-bottom: 18px; }
  .prod-tab-content ul { list-style: none; display: flex; flex-direction: column; gap: 14px; margin-top: 24px; }
  .prod-tab-content li { display: flex; gap: 12px; align-items: start; font-size: 15px; line-height: 1.5; }
  .prod-tab-content li i { color: var(--accent); font-size: 18px; flex-shrink: 0; margin-top: 1px; }

  .side-image { aspect-ratio: 3/4; border-radius: var(--radius); overflow: hidden; position: relative; }
  .side-image-bg { position: absolute; inset: 0; background: linear-gradient(135deg, #d4b89c 0%, #5a4838 100%); }
  .side-image-bg::before { content: ''; position: absolute; inset: 0; background-image: repeating-linear-gradient(0deg, rgba(255,255,255,0.05) 0 2px, transparent 2px 12px); }

  /* related products */
  .related-section { padding: 80px 0; }
  .related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

  @media (max-width: 1024px) {
    .prod-layout, .prod-tab-content { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .trust-line { grid-template-columns: 1fr; }
    .prod-details { position: static; }
  }