.product-detail-container{display:grid;grid-template-columns:1.5fr 1fr;gap:var(--space-xl);padding-top:140px;padding-bottom:var(--space-xl);min-height:80vh}@media (max-width:900px){.product-detail-container{grid-template-columns:1fr;padding-top:100px}.product-gallery{height:400px}}.product-gallery{background-color:#f9f9f9;height:700px;display:flex;align-items:center;justify-content:center;overflow:hidden}.gallery-img{max-width:90%;max-height:90%;object-fit:contain;opacity:0;position:absolute;transition:opacity .5s;pointer-events:none;z-index:1}.gallery-img.active{opacity:1;position:relative;pointer-events:auto;z-index:5}.slider-btn{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.8);border:1px solid rgba(0,0,0,.1);box-shadow:0 2px 8px rgba(0,0,0,.1);border-radius:50%;width:48px;height:48px;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;transition:.2s;padding:0}.slider-btn:hover{transform:translateY(-50%) scale(1.1);background:#fff;box-shadow:0 4px 12px rgba(0,0,0,.15)}.prev-btn{left:10px}.next-btn{right:10px}.arrow-icon{width:24px;height:24px;stroke:var(--color-text-main);stroke-width:1.5;fill:none}.product-info-panel{padding:var(--space-md)}.product-breadcrumbs{font-size:.8rem;color:var(--color-text-muted);margin-bottom:var(--space-md);text-transform:uppercase}.product-title-large{font-family:var(--font-heading);font-size:3rem;line-height:1.1;margin-bottom:var(--space-sm)}.product-price-large{font-size:1.5rem;color:var(--color-text-main);font-weight:500;margin-bottom:var(--space-md)}.product-description{color:var(--color-text-muted);margin-bottom:var(--space-lg);max-width:500px}.spec-list{margin-bottom:var(--space-lg);border-top:1px solid #eee;padding-top:var(--space-sm)}.spec-item{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid #eee;font-size:.9rem;gap:2rem}model-viewer{width:100%;height:100%;background-color:#f9f9f9;--poster-color:transparent}.model-3d.hidden{display:none}.product-gallery{position:relative}.btn-ar-toggle{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);z-index:10;display:flex;align-items:center;justify-content:center;width:auto;padding:10px 24px;background-color:rgba(255,255,255,.9);border:1px solid rgba(0,0,0,.1);color:var(--color-text-main);border-radius:30px;box-shadow:0 4px 12px rgba(0,0,0,.1);cursor:pointer;font-family:var(--font-body);text-transform:uppercase;font-size:.8rem;letter-spacing:1px;margin-top:0;transition:.3s}.btn-ar-toggle:hover{background-color:#fff;transform:translateX(-50%) translateY(-2px);box-shadow:0 6px 16px rgba(0,0,0,.15)}.product-config{margin:var(--space-lg) 0;border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border);padding:var(--space-md) 0}.config-section{margin-bottom:var(--space-md)}.config-section:last-child{margin-bottom:0}.config-title{font-size:.9rem;text-transform:uppercase;letter-spacing:1px;margin-bottom:var(--space-sm);font-weight:500;color:var(--color-text-light)}.swatch-grid{display:flex;gap:var(--space-sm);flex-wrap:wrap}.swatch-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--color-border);cursor:pointer;position:relative;transition:.2s;padding:0;outline:0}.swatch-btn:hover{transform:scale(1.1);box-shadow:0 4px 12px rgba(0,0,0,.1)}.swatch-btn.selected{border-color:var(--color-accent);box-shadow:0 0 0 2px #fff,0 0 0 4px var(--color-accent)}.selected-value-label{display:block;font-size:.8rem;margin-top:4px;color:var(--color-text-main);font-weight:500}.related-products-section{padding:var(--space-xl) 0;background-color:#f9f9f9;border-top:1px solid var(--color-border)}.related-products-header{text-align:center;margin-bottom:var(--space-lg)}.related-products-title{font-family:var(--font-heading);font-size:2rem;margin-bottom:var(--space-sm);color:var(--color-text-main)}.view-collection-link{color:var(--color-accent);text-decoration:none;font-size:.9rem;text-transform:uppercase;letter-spacing:1px;transition:opacity .2s}.view-collection-link:hover{opacity:.7}.related-products-carousel{position:relative;overflow:hidden;padding:0 50px}.carousel-track{display:flex;gap:var(--space-md);overflow-x:auto;scroll-behavior:smooth;scrollbar-width:none;-ms-overflow-style:none;padding:var(--space-sm) 0}.carousel-track::-webkit-scrollbar{display:none}.product-card{flex:0 0 auto;width:280px;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.08);transition:.3s;cursor:pointer;text-decoration:none;color:inherit;display:block}.product-card:hover{transform:translateY(-4px);box-shadow:0 8px 20px rgba(0,0,0,.12)}.product-card-image{width:100%;height:280px;object-fit:cover;background-color:#f5f5f5}.product-card-info{padding:var(--space-md);text-align:center}.product-card-title{font-size:1.1rem;font-weight:500;color:var(--color-text-main);margin:0}.carousel-nav-btn{position:absolute;top:50%;transform:translateY(-50%);background:#fff;border:1px solid rgba(0,0,0,.1);box-shadow:0 2px 8px rgba(0,0,0,.1);border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;transition:.2s}.carousel-nav-btn:hover{transform:translateY(-50%) scale(1.1);box-shadow:0 4px 12px rgba(0,0,0,.15)}.carousel-nav-btn.prev{left:10px}.carousel-nav-btn.next{right:10px}.carousel-nav-btn svg{width:20px;height:20px;stroke:var(--color-text-main);stroke-width:2;fill:none}@media (max-width:768px){.related-products-carousel{padding:0 var(--space-md)}.carousel-nav-btn{display:none}.product-card{width:240px}.product-card-image{height:240px}}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:var(--space-md);margin:var(--space-lg) 0}.feature-card{text-align:center;padding:var(--space-lg);background:var(--color-surface-light);border-radius:12px;border:1px solid transparent;transition:.3s}.feature-card:hover{transform:translateY(-4px);box-shadow:0 8px 20px rgba(0,0,0,.1);border-color:var(--color-accent)}.feature-card .icon{font-size:2.5rem;display:block;margin-bottom:var(--space-sm);line-height:1}.feature-card h4{font-size:1rem;font-weight:600;margin-bottom:var(--space-xs);color:var(--color-text-main)}.feature-card p{font-size:.875rem;color:var(--color-text-light);margin:0;line-height:1.4}details{border:1px solid var(--color-border);border-radius:8px;padding:var(--space-md);margin:var(--space-sm) 0;transition:.3s;background:#fff}details[open]{background:var(--color-surface-light);box-shadow:0 2px 8px rgba(0,0,0,.05)}details summary{font-weight:600;cursor:pointer;padding:var(--space-sm);list-style:none;display:flex;justify-content:space-between;align-items:center;user-select:none}details summary::-webkit-details-marker{display:none}details summary::after{content:"▼";margin-left:auto;font-size:.75rem;transition:transform .3s;color:var(--color-accent)}details[open] summary::after{transform:rotate(180deg)}details summary:hover{color:var(--color-accent)}.india-info-section{background:linear-gradient(135deg,#f0f9ff 0,#e0f2fe 100%);border-left:4px solid #0ea5e9;padding:var(--space-lg);border-radius:8px;margin-top:var(--space-xl)}.india-info-section h3{color:#0369a1;margin-bottom:var(--space-md)}@media (max-width:768px){.feature-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:var(--space-sm)}.feature-card{padding:var(--space-md)}.feature-card .icon{font-size:2rem}}