.product-detail-page{min-height:100vh;padding:40px 0 var(--spacing-4xl);background:radial-gradient(circle at 100% 0,#d4af3708,#0000 400px),radial-gradient(circle at 0 100%,#d4af3705,#0000 400px)}.back-to-products{margin-bottom:var(--spacing-xl)}.back-link{align-items:center;gap:var(--spacing-sm);color:var(--color-text-secondary);font-size:var(--font-size-sm);border-radius:var(--radius-full);background:#ffffff08;border:1px solid #ffffff14;padding:10px 20px;font-weight:600;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:inline-flex}.back-link:hover{color:var(--color-warm-gold);background:#d4af370d;border-color:#d4af374d;transform:translate(-4px)}.back-link svg{transition:transform .3s}.back-link:hover svg{transform:translate(-3px)}.product-detail-grid{gap:var(--spacing-3xl);grid-template-columns:1.05fr .95fr;align-items:start;display:grid}.product-image-section{position:sticky;top:90px}.product-image-container{padding:var(--spacing-xs);position:relative}.product-image-glow{background:var(--color-warm-gold);filter:blur(80px);opacity:.1;z-index:0;width:80%;height:80%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.product-image{aspect-ratio:1;background-color:var(--color-surface);border-radius:var(--radius-2xl);z-index:1;border:1px solid #ffffff0d;width:100%;max-height:calc(100vh - 120px);position:relative;overflow:hidden;box-shadow:0 40px 100px -20px #00000080}.product-image img{object-fit:cover;width:100%;height:100%;transition:transform .6s cubic-bezier(.165,.84,.44,1)}.product-image:hover img{transform:scale(1.05)}.glass-card{-webkit-backdrop-filter:blur(20px);border-radius:var(--radius-2xl);padding:var(--spacing-xl);margin-bottom:var(--spacing-lg);background:#ffffff05;border:1px solid #ffffff0d;box-shadow:0 8px 32px #0003}.product-main-info{border-left:none;position:relative;overflow:hidden}.product-main-info:before{content:"";background:linear-gradient(90deg, var(--color-warm-gold), transparent);width:100%;height:3px;position:absolute;top:0;left:0}.product-category-badge{color:var(--color-warm-gold);font-size:var(--font-size-xs);font-weight:var(--font-weight-bold);text-transform:uppercase;letter-spacing:.1em;border-radius:var(--radius-full);margin-bottom:var(--spacing-lg);background:#d4af371a;border:1px solid #d4af3733;padding:.4em 1em;display:inline-block}.info-original-price{font-size:var(--font-size-lg);color:var(--color-text-muted);opacity:.6;text-decoration:line-through}.info-price-row{align-items:baseline;gap:var(--spacing-md);display:flex}.product-actions{z-index:100;-webkit-backdrop-filter:blur(24px);margin-top:var(--spacing-3xl);background:#121212f2;border:1px solid #d4af3726;border-radius:20px;flex-direction:row;align-items:stretch;gap:12px;padding:12px;display:flex;position:sticky;bottom:24px;box-shadow:0 20px 40px #0009,0 0 0 1px #ffffff0d}.quantity-controller{background:#ffffff08;border:1px solid #ffffff14;border-radius:14px;align-items:center;gap:4px;padding:4px;display:flex}.quantity-controller button{width:44px;height:44px;color:var(--color-text-primary);font-size:var(--font-size-xl);cursor:pointer;background:0 0;border:none;border-radius:10px;justify-content:center;align-items:center;transition:all .2s;display:flex}.quantity-controller button:hover{color:var(--color-warm-gold);background:#d4af3726}.quantity-controller span{font-size:var(--font-size-lg);text-align:center;min-width:40px;color:var(--color-text-primary);font-weight:600}.action-buttons-group{flex:1;gap:12px;display:flex}.add-to-cart-btn.primary-action{background:var(--color-warm-gold);color:#000;font-weight:700;font-size:var(--font-size-base);text-transform:uppercase;letter-spacing:.08em;cursor:pointer;border:none;border-radius:14px;flex:1;justify-content:center;align-items:center;gap:10px;padding:16px 28px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;box-shadow:0 4px 20px #d4af374d}.add-to-cart-btn.primary-action:hover{filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 8px 30px #d4af3780}.add-to-cart-btn.primary-action:active{transform:translateY(0)}.go-to-cart-btn{background:var(--color-warm-gold);color:#000;font-weight:700;font-size:var(--font-size-sm);text-transform:uppercase;letter-spacing:.08em;cursor:pointer;border:none;border-radius:14px;flex:1;justify-content:center;align-items:center;gap:10px;padding:16px 28px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;box-shadow:0 4px 20px #d4af374d}.go-to-cart-btn:hover{filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 8px 30px #d4af3780}.go-to-cart-btn:active{transform:translateY(0)}@media (max-width:768px){.product-actions{flex-direction:column;padding:16px;bottom:16px}.quantity-controller{justify-content:space-between;width:100%;padding:8px}.add-to-cart-btn.primary-action,.go-to-cart-btn{width:100%;padding:16px 12px}}.product-title{font-size:var(--font-size-5xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:var(--spacing-xl);letter-spacing:-.03em;line-height:1.1}.product-price-tag{flex-direction:column;display:flex}.price-label{font-size:var(--font-size-xs);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--spacing-xs)}.price-value{font-size:var(--font-size-4xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);text-shadow:0 0 20px #d4af3733}.detail-block{margin-bottom:var(--spacing-3xl)}.detail-block:last-child{margin-bottom:0}.detail-block h3{font-size:var(--font-size-sm);color:var(--color-warm-gold);text-transform:uppercase;letter-spacing:.15em;margin-bottom:var(--spacing-lg);align-items:center;gap:var(--spacing-md);display:flex}.detail-block h3:after{content:"";background:linear-gradient(90deg,#d4af3733,#0000);flex:1;height:1px}.description-text,.use-case-text{font-size:var(--font-size-base);color:var(--color-text-secondary);line-height:1.8}.specs-grid{gap:var(--spacing-sm);grid-template-columns:repeat(auto-fit,minmax(180px,1fr));display:grid}.spec-item{align-items:center;gap:var(--spacing-lg);padding:var(--spacing-lg);border-radius:var(--radius-lg);transition:background var(--transition-base);background:#ffffff05;border:1px solid #ffffff0d;display:flex}.spec-item:hover{background:#ffffff0a}.spec-icon{background:linear-gradient(135deg, var(--color-warm-gold), var(--color-dark-gold));width:40px;height:40px;color:var(--color-deep-black);font-weight:var(--font-weight-bold);border-radius:var(--radius-md);font-size:var(--font-size-lg);justify-content:center;align-items:center;display:flex}.spec-content{flex-direction:column;display:flex}.spec-label{font-size:var(--font-size-xs);color:var(--color-text-muted);text-transform:uppercase}.spec-value{font-size:var(--font-size-base);color:var(--color-text-primary);font-weight:var(--font-weight-medium)}.product-note-card{gap:var(--spacing-lg);padding:var(--spacing-xl);border-radius:var(--radius-lg);background:#d4af370d;border:1px solid #d4af371a;align-items:center;display:flex}.note-icon{border:1px solid var(--color-warm-gold);width:24px;min-width:24px;height:24px;color:var(--color-warm-gold);font-weight:var(--font-weight-bold);font-size:var(--font-size-sm);border-radius:50%;justify-content:center;align-items:center;display:flex}.note-content p{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin:0;line-height:1.5}.note-content a{color:var(--color-warm-gold);font-weight:var(--font-weight-semibold);transition:all var(--transition-base);border-bottom:1px solid #0000;text-decoration:none}.note-content a:hover{border-bottom-color:var(--color-warm-gold)}.related-products-section{margin-top:var(--spacing-4xl);padding-top:var(--spacing-3xl);border-top:1px solid #ffffff0d}.related-products-section .section-header{text-align:center;margin-bottom:var(--spacing-3xl)}.related-products-section .section-header h2{font-size:var(--font-size-3xl);color:var(--color-text-primary);margin-bottom:var(--spacing-sm)}.related-products-section .section-header p{color:var(--color-text-secondary)}.related-products-section .products-grid{gap:var(--spacing-xl);grid-template-columns:repeat(auto-fill,minmax(240px,1fr));display:grid}@media (max-width:1200px){.product-detail-grid{gap:var(--spacing-3xl)}.product-title{font-size:var(--font-size-4xl)}}@media (max-width:1024px){.product-detail-grid{grid-template-columns:1fr}.product-image-section{max-width:600px;margin:0 auto;position:static}}@media (max-width:768px){.product-detail-page{padding:32px 0 var(--spacing-4xl)}.product-title,.price-value{font-size:var(--font-size-3xl)}.glass-card{padding:var(--spacing-xl)}.related-products-section .products-grid{gap:var(--spacing-sm);grid-template-columns:repeat(2,1fr)}}@media (max-width:480px){.related-products-section .products-grid{grid-template-columns:repeat(2,1fr);gap:8px}}