.header{position:sticky;top:0;background:var(--header-bg);box-shadow:var(--shadow);z-index:100}.nav{display:flex;align-items:center;justify-content:space-between;height:70px;gap:2rem}.logo{display:flex;align-items:center}.logo-img{height:40px;width:auto}.logo-text{font-size:1.5rem;font-weight:700;color:var(--primary)}.nav-center{display:flex;gap:2rem}.nav-link{font-weight:500;color:var(--header-text);opacity:.8;transition:color var(--transition),opacity var(--transition)}.nav-link:hover{color:var(--primary);opacity:1}.nav-right{display:flex;align-items:center;gap:1rem}.search-btn,.cart-btn{background:none;border:none;padding:.5rem;color:var(--header-text);opacity:.8;transition:color var(--transition),opacity var(--transition);position:relative}.search-btn:hover,.cart-btn:hover{color:var(--primary);opacity:1}.cart-count{position:absolute;top:-4px;right:-4px;background:var(--primary);color:#fff;font-size:.625rem;font-weight:700;width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center}.mobile-menu-btn{display:none;background:none;border:none;padding:.5rem;color:var(--header-text)}.search-modal{position:fixed;top:0;left:0;right:0;background:#fff;z-index:200;padding:1rem;box-shadow:var(--shadow-lg);transform:translateY(-100%);transition:transform var(--transition)}.search-modal.open{transform:translateY(0)}.search-container{display:flex;align-items:center;gap:1rem;max-width:600px;margin:0 auto}.search-input{flex:1;padding:1rem;font-size:1.125rem;border:2px solid var(--gray-200);border-radius:var(--radius)}.search-input:focus{outline:none;border-color:var(--primary)}.search-close{background:none;border:none;font-size:2rem;color:var(--gray-500);cursor:pointer}.search-results{max-width:600px;margin:1rem auto 0}.search-result-item{display:flex;align-items:center;gap:1rem;padding:.75rem;border-radius:var(--radius);transition:background var(--transition)}.search-result-item:hover{background:var(--gray-100)}.search-result-item img{width:50px;height:50px;object-fit:cover;border-radius:var(--radius)}.cart-overlay{position:fixed;inset:0;background:#00000080;z-index:150;opacity:0;visibility:hidden;transition:all var(--transition)}.cart-overlay.open{opacity:1;visibility:visible}.cart-sidebar{position:fixed;top:0;right:0;width:100%;max-width:400px;height:100%;background:#fff;z-index:200;display:flex;flex-direction:column;transform:translate(100%);transition:transform var(--transition)}.cart-sidebar.open{transform:translate(0)}.cart-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid var(--gray-200)}.cart-close{background:none;border:none;font-size:1.5rem;color:var(--gray-500);cursor:pointer}.cart-items{flex:1;overflow-y:auto;padding:1rem}.cart-empty{text-align:center;color:var(--gray-500);padding:2rem}.cart-item{display:flex;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--gray-100)}.cart-item-image{width:80px;min-width:80px;height:80px;object-fit:cover;border-radius:var(--radius);background:var(--gray-100);flex-shrink:0}.cart-item-info{flex:1}.cart-item-name{font-weight:600;margin-bottom:.25rem}.cart-item-price{color:var(--primary);font-weight:600}.cart-item-qty{display:flex;align-items:center;gap:.5rem;margin-top:.5rem}.cart-item-qty button{width:28px;height:28px;background:var(--gray-100);border:none;border-radius:var(--radius);font-weight:600}.cart-item-remove{background:none;border:none;color:var(--error);font-size:.75rem;cursor:pointer;margin-top:.5rem}.cart-footer{padding:1rem 1.5rem;border-top:1px solid var(--gray-200)}.cart-total{display:flex;justify-content:space-between;font-size:1.25rem;font-weight:700;margin-bottom:1rem}.checkout-overlay{position:fixed;inset:0;background:#0009;z-index:250;opacity:0;visibility:hidden;transition:all var(--transition)}.checkout-overlay.open{opacity:1;visibility:visible}.checkout-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.9);width:95%;max-width:500px;max-height:90vh;background:#fff;border-radius:var(--radius-lg);z-index:300;opacity:0;visibility:hidden;transition:all var(--transition);display:flex;flex-direction:column;overflow:hidden}.checkout-modal.open{opacity:1;visibility:visible;transform:translate(-50%,-50%) scale(1)}.checkout-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid var(--gray-200);background:var(--gray-50)}.checkout-header h3{margin:0;font-size:1.125rem}.checkout-close{background:none;border:none;font-size:1.5rem;color:var(--gray-500);cursor:pointer;padding:0;line-height:1}.checkout-body{padding:1.5rem;overflow-y:auto;flex:1}.checkout-summary{background:var(--gray-50);border-radius:var(--radius);padding:1rem;margin-bottom:1.5rem}.checkout-summary h4{margin:0 0 .75rem;font-size:.875rem;color:var(--gray-600);text-transform:uppercase;letter-spacing:.05em}.checkout-items{max-height:150px;overflow-y:auto}.checkout-item{display:flex;justify-content:space-between;padding:.5rem 0;font-size:.875rem;border-bottom:1px solid var(--gray-200)}.checkout-item:last-child{border-bottom:none}.checkout-item-name{flex:1}.checkout-item-qty{color:var(--gray-500);margin:0 .5rem}.checkout-item-price{font-weight:600}.checkout-total{display:flex;justify-content:space-between;font-weight:700;font-size:1.125rem;margin-top:.75rem;padding-top:.75rem;border-top:2px solid var(--gray-300)}.checkout-form .form-group{margin-bottom:1rem}.checkout-form .form-label{display:block;font-size:.875rem;font-weight:500;margin-bottom:.375rem;color:var(--gray-700)}.checkout-form .form-input{width:100%;padding:.625rem .875rem;border:1px solid var(--gray-300);border-radius:var(--radius);font-size:1rem;transition:border-color var(--transition)}.checkout-form .form-input:focus{outline:none;border-color:var(--primary)}.checkout-form textarea.form-input{resize:vertical;min-height:60px}.footer{background:var(--footer-bg);color:var(--footer-text);padding:3rem 0 1.5rem;margin-top:4rem}.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem;margin-bottom:2rem}.footer-brand p{color:var(--footer-text);opacity:.7;margin-top:.5rem}.footer h5{margin-bottom:1rem;color:var(--footer-text);opacity:.85}.footer-link{display:flex;align-items:center;gap:.5rem;color:var(--footer-text);opacity:.7;margin-bottom:.5rem}.social-links{display:flex;flex-direction:column;gap:.5rem}.social-link{color:var(--footer-text);opacity:.7;transition:opacity var(--transition)}.social-link:hover{opacity:1}.footer-bottom{border-top:1px solid rgba(255,255,255,.2);padding-top:1.5rem;text-align:center;font-size:.875rem;color:var(--footer-text);opacity:.6}@media (max-width: 768px){.nav-center{display:none}.mobile-menu-btn{display:block}.footer-content{grid-template-columns:1fr;text-align:center}}