.product-detail-hero{padding:calc(var(--header-height) + var(--space-6)) 0 var(--space-8);background:radial-gradient(circle at top left, #ff7f0014, transparent 40%), radial-gradient(circle at bottom right, #17314f0a, transparent 40%), var(--gradient-warm)}.product-detail-breadcrumbs{align-items:center;gap:var(--space-2);margin-bottom:var(--space-4);color:var(--color-gray-400);font-size:var(--font-size-sm);flex-wrap:wrap;display:flex}.product-detail-breadcrumbs a{color:var(--color-gray-500);transition:color var(--transition-fast);padding:.2rem 0;text-decoration:none}.product-detail-breadcrumbs a:hover{color:var(--color-primary)}.product-detail-breadcrumbs span{color:var(--color-gray-300)}.product-detail-grid{gap:var(--space-8);max-width:var(--container-wide);grid-template-columns:1fr 1.15fr;align-items:start;display:grid}.product-detail-media{top:calc(var(--header-height) + var(--space-8));background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-3xl);box-shadow:var(--shadow-sm), var(--shadow-md);transition:box-shadow var(--transition-base);position:sticky;overflow:hidden}.product-detail-media:hover{box-shadow:var(--shadow-sm), var(--shadow-lg)}.product-detail-media img{aspect-ratio:1;object-fit:contain;background:var(--color-gray-50);width:100%;padding:var(--space-4);transition:transform var(--transition-slow);display:block}.product-detail-media:hover img{transform:scale(1.03)}.product-detail-side{gap:var(--space-3);flex-direction:column;min-width:0;display:flex}.product-detail-back{align-items:center;gap:var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-full);background:var(--color-white);color:var(--color-primary-dark);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);transition:border-color var(--transition-fast), background-color var(--transition-fast);align-self:flex-start;padding:.5rem 1rem;text-decoration:none;display:inline-flex}.product-detail-back:hover{border-color:var(--color-primary);background:var(--color-primary-50)}.product-detail-back:focus-visible{outline:3px solid var(--color-secondary);outline-offset:2px}.product-detail-catalog-back{display:none}.product-detail-panel{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-3xl);box-shadow:var(--shadow-sm), var(--shadow-md);padding:var(--space-8);gap:var(--space-6);flex-direction:column;display:flex}.product-detail-category-link{width:fit-content;text-decoration:none;display:inline-flex}.product-detail-category{border-radius:var(--radius-full);background:var(--color-primary-50);color:var(--color-primary-dark);font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);letter-spacing:var(--letter-spacing-wide);text-transform:uppercase;align-items:center;gap:.4rem;padding:.4rem 1rem;display:inline-flex}.product-detail-panel h1{color:var(--color-secondary);letter-spacing:var(--letter-spacing-tight);text-wrap:balance;margin:0;font-size:clamp(1.75rem,3.5vw,2.75rem);line-height:1.08}.product-detail-price{align-items:baseline;gap:var(--space-2);color:var(--color-gray-900);flex-wrap:wrap;display:flex}.product-detail-price strong{color:var(--color-gray-900);font-size:clamp(1.75rem,3.5vw,2.5rem)}.product-detail-price span{font-size:var(--font-size-base);color:var(--color-gray-500)}.product-detail-price--promo{gap:var(--space-1);flex-direction:column;display:flex}.product-detail-price-main{align-items:baseline;gap:var(--space-2);flex-wrap:wrap;display:flex}.product-detail-price--promo .price-offer{color:#dc2626;font-size:clamp(2rem,4vw,2.75rem);font-weight:var(--font-weight-black)}.product-detail-price-main .price-unit{font-size:var(--font-size-base);color:var(--color-gray-500)}.product-detail-price .product-detail-discount-badge{color:#fff;border-radius:var(--radius-full);margin-left:var(--space-2);background:linear-gradient(135deg,#dc2626,#ef4444);justify-content:center;align-items:center;padding:4px 10px;font-size:.85rem;font-weight:800;animation:.5s cubic-bezier(.16,1,.3,1) both badge-fade-in;display:inline-flex;box-shadow:0 2px 6px #dc262633}@keyframes badge-fade-in{0%{opacity:0;transform:scale(.9)translateY(4px)}to{opacity:1;transform:scale(1)translateY(0)}}@media (prefers-reduced-motion:reduce){.product-detail-discount-badge{animation:none}}.product-detail-price--promo .price-original{font-size:var(--font-size-sm);color:var(--color-gray-400);font-weight:var(--font-weight-medium);text-decoration:line-through}.product-detail-copy{color:var(--color-gray-700);line-height:var(--line-height-relaxed);font-size:.95rem}.product-detail-meta{gap:var(--space-3);grid-template-columns:repeat(3,1fr);display:grid}.product-detail-meta article{padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-gray-50);transition:border-color var(--transition-fast), box-shadow var(--transition-fast)}.product-detail-meta article:hover{border-color:var(--color-gray-300);box-shadow:var(--shadow-xs)}.product-detail-meta span{color:var(--color-gray-400);font-size:var(--font-size-xs);text-transform:uppercase;letter-spacing:var(--letter-spacing-wider);font-weight:var(--font-weight-medium);margin-bottom:.25rem;display:block}.product-detail-meta strong{color:var(--color-gray-800);font-size:.925rem}.product-detail-region{gap:var(--space-2);flex-direction:column;display:flex}.product-detail-region label{color:var(--color-gray-600);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold)}.product-detail-region-wrap{width:100%;max-width:480px;position:relative}.product-detail-region-wrap select{width:100%;min-height:48px;padding:0 var(--space-4);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-white);color:var(--color-text);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%234A5568' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--space-4) center;padding-right:var(--space-10);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);background-size:1.25rem}.product-detail-region-wrap select:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #ff7f001f}.product-detail-quantity{gap:var(--space-2);flex-direction:column;display:flex}.product-detail-quantity label{color:var(--color-gray-600);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold)}.product-detail-quantity-row{align-items:center;gap:var(--space-3);display:flex}.product-detail-qty-btn,.product-detail-qty-input{border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-white);min-height:48px;transition:border-color var(--transition-fast), box-shadow var(--transition-fast)}.product-detail-qty-btn{width:48px;min-width:48px;font-size:1.2rem;font-weight:var(--font-weight-bold);color:var(--color-secondary);cursor:pointer;justify-content:center;align-items:center;display:flex}.product-detail-qty-btn:hover{border-color:var(--color-primary);color:var(--color-primary);background:var(--color-primary-50)}.product-detail-qty-btn:active{transform:scale(.95)}.product-detail-qty-input{width:120px;padding:0 var(--space-4);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);text-align:center;-moz-appearance:textfield}.product-detail-qty-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.product-detail-qty-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.product-detail-qty-input:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #ff7f001f}.product-detail-actions{gap:var(--space-3);padding-top:var(--space-4);border-top:1px solid var(--color-border-light);flex-wrap:wrap;display:flex}.product-detail-actions .btn{border-radius:var(--radius-xl);min-height:48px;font-weight:var(--font-weight-semibold);min-width:180px;transition:all var(--transition-fast);flex:1;justify-content:center;padding-inline:1.5rem}.product-detail-actions .btn:active{transform:scale(.97)}.product-detail-nav{gap:var(--space-3);padding-top:var(--space-4);border-top:1px solid var(--color-border-light);grid-template-columns:1fr 1fr;display:grid}.product-detail-nav-link{align-items:center;gap:var(--space-2);min-width:0;padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-white);color:var(--color-text);transition:border-color var(--transition-fast), background-color var(--transition-fast);text-decoration:none;display:flex}.product-detail-nav-link--next{text-align:right;justify-content:flex-end}.product-detail-nav-link:hover{border-color:var(--color-primary);background:var(--color-primary-50)}.product-detail-nav-link:focus-visible{outline:3px solid var(--color-secondary);outline-offset:2px}.product-detail-nav-dir{color:var(--color-primary-dark);font-size:var(--font-size-lg);flex:none;line-height:1}.product-detail-nav-text{flex-direction:column;min-width:0;display:flex}.product-detail-nav-label{color:var(--color-gray-500);font-size:var(--font-size-xs);text-transform:uppercase;letter-spacing:var(--letter-spacing-wide)}.product-detail-nav-name{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.product-related{margin-top:var(--space-10);padding-top:var(--space-6);border-top:1px solid var(--color-border)}.product-related-header{justify-content:space-between;align-items:end;gap:var(--space-4);margin-bottom:var(--space-4);display:flex}.product-related-kicker{margin:0 0 var(--space-1);color:var(--color-text-muted);font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);letter-spacing:var(--letter-spacing-wide);text-transform:uppercase}.product-related h2{font-size:var(--font-size-xl);margin:0}.product-related-header>a{color:var(--color-primary-dark);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);flex:none;text-decoration:none}.product-related-header>a:hover{color:var(--color-secondary)}.product-related-header>a:focus-visible,.product-related-card:focus-visible{outline:3px solid var(--color-secondary);outline-offset:3px}.product-related-track{gap:var(--space-3);padding:0 0 var(--space-2);overscroll-behavior-inline:contain;scroll-snap-type:inline proximity;scrollbar-width:thin;grid-auto-columns:minmax(170px,210px);grid-auto-flow:column;margin:0;display:grid;overflow-x:auto}.product-related-track>li{scroll-snap-align:start;min-width:0}.product-related-card{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-white);min-height:194px;color:var(--color-text);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);grid-template-rows:120px auto;text-decoration:none;display:grid;overflow:hidden}.product-related-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-sm)}.product-related-card img{object-fit:contain;background:var(--color-gray-50);width:100%;height:120px;padding:var(--space-2)}.product-related-card-body{align-content:space-between;gap:var(--space-2);padding:var(--space-3);display:grid}.product-related-card-name{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.3;display:-webkit-box;overflow:hidden}.product-related-card-price{color:var(--color-primary-dark);font-size:var(--font-size-sm);font-weight:var(--font-weight-bold)}.product-related-card-price small{color:var(--color-text-muted);font-size:var(--font-size-xs);font-weight:var(--font-weight-normal)}@media (width<=1024px){.product-detail-grid{gap:var(--space-6);grid-template-columns:1fr 1.05fr}.product-detail-media{position:relative;top:0}}@media (width<=768px){.product-detail-hero{padding:calc(var(--header-height) + var(--space-4)) 0 var(--space-6)}.product-detail-grid{gap:var(--space-5);grid-template-columns:1fr}.product-detail-catalog-back{margin-bottom:var(--space-3);display:inline-flex}.product-detail-side{order:2}.product-detail-panel{padding:var(--space-4);gap:var(--space-4)}.product-detail-media{order:1;justify-self:center;width:100%;max-width:360px}.product-detail-actions,.product-detail-nav{padding-top:var(--space-3)}.product-detail-meta{grid-template-columns:repeat(2,1fr)}.product-related{margin-top:var(--space-8);padding-top:var(--space-5)}.product-related-track{grid-auto-columns:minmax(150px,46vw)}.product-related-card{grid-template-rows:108px auto;min-height:180px}.product-related-card img{height:108px}}@media (width<=480px){.product-detail-hero{padding:calc(var(--header-height) + var(--space-3)) 0 var(--space-5)}.product-detail-panel{padding:var(--space-4);border-radius:var(--radius-xl);gap:var(--space-3)}.product-detail-side{gap:var(--space-2)}.product-detail-panel h1,.product-detail-price strong{font-size:1.5rem}.product-detail-meta{grid-template-columns:1fr}.product-detail-quantity-row{flex-wrap:wrap}.product-detail-qty-input{flex:1;width:100%}.product-detail-actions{gap:var(--space-2);flex-direction:column}.product-detail-media img{padding:var(--space-3)}.product-detail-actions .btn{width:100%;min-width:0}.product-detail-media{border-radius:var(--radius-xl)}.product-related-header{align-items:start;gap:var(--space-2);flex-direction:column}.product-related h2{font-size:var(--font-size-lg)}}