*{box-sizing:border-box}:root{--primary-color:#2563eb;--primary-hover:#1d4ed8;--text-color:#1f2937;--text-light:#6b7280;--border-color:#e5e7eb;--shadow:0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);--shadow-hover:0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);--radius:12px;--transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1)}.global-nav{position:relative;display:flex;align-items:center;padding:0 20px;max-width:100%;min-height:70px;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.1);z-index:1000;gap:0}.nav-logo{flex-shrink:0;display:flex;align-items:center;z-index:1001;margin-right:30px}.nav-menu{display:flex;min-width:0;overflow:hidden;margin-right:auto}.nav-list{display:flex;gap:20px;margin:0;padding:0;list-style:none;flex-wrap:nowrap;transition:var(--transition)}.nav-item{flex-shrink:0;white-space:nowrap;opacity:1;transition:opacity .3s ease}.nav-item.hidden{display:none}.nav-link{display:block;padding:10px 12px;font-size:15px;font-weight:500;text-decoration:none;color:var(--text-color);transition:var(--transition);position:relative;border-radius:6px;white-space:nowrap}.nav-link:hover{color:var(--primary-color);background:rgba(37,99,235,5%);transform:translateY(-1px)}.nav-link.is-active{color:var(--primary-color);font-weight:600}.nav-link.is-active::after{content:'';position:absolute;bottom:0;left:12px;right:12px;height:2px;background:var(--primary-color);border-radius:2px}.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;margin-left:20px}.nav-cart-summary{display:flex;align-items:center;flex-shrink:0}.nav-cart-button{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius);border:1px solid var(--border-color);background:#fff;font-size:14px;line-height:1;cursor:pointer;box-shadow:var(--shadow);transition:var(--transition);white-space:nowrap;font-weight:500;flex-shrink:0}.nav-cart-button:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--primary-color);background:var(--primary-color);color:#fff}.nav-cart-button:hover .nav-cart-separator{color:rgba(255,255,255,.7)}.nav-cart-label{font-weight:600}.nav-cart-count{font-weight:700}.nav-cart-total{font-weight:700;white-space:nowrap}.nav-cart-separator{opacity:.5}.nav-burger{display:none;flex-direction:column;justify-content:space-between;width:22px;height:16px;padding:0;border:none;background:0 0;cursor:pointer;z-index:1001;flex-shrink:0}.nav-burger span{display:block;height:2px;border-radius:3px;background:var(--text-color);transition:var(--transition);transform-origin:center}.nav-menu.mobile-open{display:block!important;position:fixed;top:0;left:0;right:0;bottom:0;background:#fff;padding:80px 24px 40px;z-index:999;overflow-y:auto;animation:slideInDown .3s ease-out}.nav-menu.mobile-open .nav-list{flex-direction:column;gap:8px;align-items:stretch}.nav-menu.mobile-open .nav-item{display:block!important;opacity:1!important}.nav-menu.mobile-open .nav-link{padding:16px 20px;font-size:18px;font-weight:600;border-radius:12px;background:rgba(0,0,0,3%);text-align:center;border:1px solid var(--border-color)}.nav-menu.mobile-open .nav-link:hover{background:rgba(37,99,235,.1);transform:translateY(-2px);color:var(--primary-color)}.nav-menu.mobile-open .nav-link.is-active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.nav-menu.mobile-open .nav-link.is-active::after{display:none}.nav-burger.menu-open{display:flex}.nav-burger.menu-open span:nth-child(1){transform:rotate(45deg)translate(6px,6px)}.nav-burger.menu-open span:nth-child(2){opacity:0;transform:scale(0)}.nav-burger.menu-open span:nth-child(3){transform:rotate(-45deg)translate(5px,-5px)}@media(max-width:1024px){.global-nav{padding:0 16px}.nav-logo{margin-right:20px}.nav-list{gap:16px}.nav-link{font-size:14px;padding:8px 10px}}@media(max-width:640px){.global-nav{padding:0 12px;min-height:60px}.nav-burger{display:flex;width:24px;height:18px}.nav-cart-label{display:none}.nav-cart-button{padding:6px 10px;font-size:13px}.nav-logo{margin-right:0}.nav-right{margin-left:0;gap:10px}}@media(max-width:480px){.global-nav{padding:0 10px}.nav-right{gap:8px}.nav-cart-button{padding:5px 8px;font-size:12px}.nav-burger{width:22px;height:16px}}html,body{overflow-x:hidden;max-width:100%}.global-nav *{box-sizing:border-box}a,button{transition:var(--transition)}.nav-link:focus,.nav-cart-button:focus,.nav-burger:focus{outline:2px solid var(--primary-color);outline-offset:2px}body.menu-open{overflow:hidden}@keyframes slideInDown{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}