.products-filter{flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:56px;display:flex}.filter-btn{border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;letter-spacing:.3px;background:0 0;border-radius:50px;padding:10px 22px;font-family:Inter,sans-serif;font-size:.875rem;font-weight:600;transition:all .25s}.filter-btn:hover,.filter-btn.active{background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));color:#fff;border-color:#0000}.products-full-grid{grid-template-columns:repeat(3,1fr);gap:28px;display:grid}.full-product-card{box-shadow:var(--shadow-sm);background:#fff;border-radius:18px;flex-direction:column;display:flex;overflow:hidden}.product-card-header{border-bottom:1px solid var(--border-color);background:linear-gradient(135deg,#e85d200f,#f59e0b0a);padding:24px 26px 18px;position:relative}.product-card-type{letter-spacing:2px;text-transform:uppercase;color:var(--accent-red);margin-bottom:8px;font-size:.7rem;font-weight:800;display:block}.product-card-header h3{margin-bottom:6px;font-size:1.25rem;font-weight:800}.product-card-viscosity{color:var(--accent-secondary);background:#f5a6231a;border:1px solid #f5a62340;border-radius:20px;padding:4px 12px;font-size:.8rem;font-weight:700;display:inline-block}.product-card-body{flex-direction:column;flex:1;gap:20px;padding:24px 28px;display:flex}.product-card-row{flex-direction:column;gap:6px;display:flex}.product-card-row label{text-transform:uppercase;letter-spacing:1.5px;color:var(--text-muted);font-size:.72rem;font-weight:700}.product-card-row span{color:var(--text-secondary);font-size:.9rem}.features-list{flex-direction:column;gap:8px;list-style:none;display:flex}.features-list li{color:var(--text-secondary);align-items:center;gap:10px;font-size:.87rem;display:flex}.features-list li:before{content:"";background:var(--accent-primary);border-radius:50%;flex-shrink:0;width:6px;height:6px}.packaging-tags{flex-wrap:wrap;gap:8px;display:flex}.pack-tag{color:var(--text-secondary);border:1px solid var(--border-color);background:#ffffff0d;border-radius:6px;padding:4px 10px;font-size:.75rem;font-weight:600}.viscosity-tags{flex-wrap:wrap;gap:8px;display:flex}.viscosity-tag{color:var(--accent-secondary);background:#f5a6231a;border:1px solid #f5a62333;border-radius:6px;padding:4px 10px;font-size:.75rem;font-weight:700}.category-section{margin-bottom:64px}.category-label{align-items:center;gap:16px;margin-bottom:32px;display:flex}.category-label h2{color:var(--text-primary);font-size:1.7rem;font-weight:800}.category-label-line{background:var(--border-color);flex:1;height:1px}@media (max-width:1024px){.products-full-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.products-full-grid{grid-template-columns:1fr}}