.header-v5{position:sticky;top:0;z-index:1000;background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,0,0,.05);transition:all .4s cubic-bezier(.4,0,.2,1)}.header-v5.scrolled{box-shadow:0 4px 30px #0000001a;background:#fffffffa}.header-v5-logo-img{width:125px}.header-v5-container{max-width:1400px;margin:0 auto;padding:1.25rem 2rem;display:flex;align-items:center;justify-content:space-between;gap:3rem}.header-v5-logo{display:flex;align-items:center;gap:1rem;text-decoration:none;transition:transform .3s}.header-v5-logo:hover{transform:scale(1.05)}.header-v5-logo-icon{width:50px;height:50px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);border-radius:16px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.header-v5-logo-icon:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 0%,rgba(255,255,255,.3) 50%,transparent 100%);transform:translate(-100%);animation:shimmer 3s infinite}@keyframes shimmer{to{transform:translate(100%)}}.header-v5-logo-spark{color:#fff;animation:sparkle 2s ease-in-out infinite}@keyframes sparkle{0%,to{transform:rotate(0) scale(1)}50%{transform:rotate(180deg) scale(1.2)}}.header-v5-logo-text{display:flex;flex-direction:column}.header-v5-logo-main{font-size:22px;font-weight:800;background:linear-gradient(135deg,var(--text-dark) 0%,var(--primary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1}.header-v5-logo-tagline{font-size:10px;color:var(--text-muted);font-weight:600;letter-spacing:1.5px;margin-top:4px}.header-v5-nav{display:flex;align-items:center;gap:2.5rem;flex:1;justify-content:center}.header-v5-nav-item{position:relative;text-decoration:none;color:var(--text-dark)}.header-v5-nav-link{font-weight:600;font-size:14px;display:flex;flex-direction:column;gap:4px;cursor:pointer}.header-v5-nav-indicator{height:2px;background:var(--primary);width:0;transition:width .3s;border-radius:2px}.header-v5-nav-item:hover .header-v5-nav-indicator{width:100%}.header-v5-nav-special{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);padding:12px 28px;border-radius:50px;color:#fff;display:flex;align-items:center;gap:8px;font-weight:700;font-size:14px;box-shadow:0 4px 20px #10b9814d;transition:all .3s}span.header-v5-nav-link.flex{display:flex;flex-direction:row;align-items:center}.header-v5-nav-special:hover{transform:translateY(-2px);box-shadow:0 6px 30px #10b98166}.header-v5-mega-menu{position:absolute;top:calc(100% + 20px);left:50%;transform:translate(-50%);background:#fff;border-radius:20px;box-shadow:0 20px 60px #00000026;padding:2rem;min-width:600px;animation:slideDown .3s ease-out;border:1px solid rgba(0,0,0,.05)}@keyframes slideDown{0%{opacity:0;transform:translate(-50%) translateY(-10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.header-v5-mega-content{display:grid;grid-template-columns:2fr 1fr;gap:2rem}.header-v5-mega-categories h4{font-size:14px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:1rem}.header-v5-category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.5rem}.header-v5-category-item{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:12px;text-decoration:none;color:var(--text-dark);font-weight:600;font-size:14px;transition:all .2s;background:var(--bg-light)}.header-v5-category-item:hover{background:var(--primary-light);color:#fff;transform:translate(4px)}.header-v5-category-icon{font-size:20px}.header-v5-mega-featured{background:linear-gradient(135deg,var(--primary-light) 0%,var(--primary) 100%);border-radius:16px;overflow:hidden;position:relative}.header-v5-mega-featured img{width:100%;height:150px;object-fit:cover;opacity:.8}.header-v5-mega-featured-content{padding:1.5rem;color:#fff}.header-v5-mega-featured-content h4{font-size:18px;font-weight:800;margin-bottom:.5rem}.header-v5-mega-featured-content p{font-size:13px;opacity:.9;margin-bottom:1rem}.header-v5-mega-link{color:#fff;font-weight:700;font-size:14px;text-decoration:none;display:inline-block;transition:transform .2s}.header-v5-mega-link:hover{transform:translate(4px)}.header-v5-actions{display:flex;align-items:center;gap:1rem}.header-v5-action-btn{width:44px;height:44px;border-radius:12px;border:none;background:var(--bg-light);color:var(--text-dark);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s;text-decoration:none}.header-v5-action-btn:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}.header-v5-cart-btn{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;position:relative;text-decoration:none;transition:all .3s}.header-v5-cart-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #10b98166}.header-v5-cart-count{position:absolute;top:-6px;right:-6px;background:#ef4444;color:#fff;font-size:11px;font-weight:800;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:2px solid white}.header-v5-mobile-toggle,.header-v5-mobile-menu{display:none}.header-v5-progress-bar{position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--bg-light);overflow:hidden}.header-v5-progress-fill{height:100%;background:linear-gradient(90deg,var(--primary) 0%,var(--primary-light) 100%);width:0;animation:progressLoad 2s ease-out forwards}@keyframes progressLoad{to{width:100%}}@media(max-width:1024px){.header-v5-nav{display:none}.header-v5-mobile-toggle{display:flex;background:transparent}.header-v5-mobile-menu{display:flex;flex-direction:column;padding:1.5rem;background:#fff;border-top:1px solid rgba(0,0,0,.05);gap:.5rem}.header-v5-mobile-cta{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;padding:14px 20px;border-radius:12px;text-decoration:none;font-weight:700;text-align:center;margin-bottom:1rem;display:flex;align-items:center;justify-content:center;gap:8px}.header-v5-mobile-link{padding:12px 16px;color:var(--text-dark);text-decoration:none;border-radius:8px;font-weight:600;transition:all .2s}.header-v5-mobile-link:hover{background:var(--bg-light)}.header-v5-mobile-categories{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border-color)}.header-v5-mobile-label{font-size:12px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:.5rem;padding:0 16px}.header-v5-logo-text{display:none}}@media(max-width:640px){.header-v5-container{padding:1rem}.header-v5-actions{gap:.5rem}.header-v5-action-btn,.header-v5-cart-btn{width:40px;height:40px}}