:root{--font-primary:'Inter',sans-serif;--font-display:'Outfit',sans-serif;--bg-body:#ffffff;--bg-surface:#f8fafc;--bg-card:#ffffff;--border-color:#e2e8f0;--primary:#0369a1;--primary-hover:#075985;--primary-glow:rgba(3,105,161,0.15);--accent:#0f172a;--text-main:#1e293b;--text-muted:#475569;--text-inverse:#ffffff;--card-shadow:0 4px 20px rgba(15,23,42,0.05);--hover-shadow:0 12px 30px rgba(2,132,199,0.12);--radius-sm:6px;--radius-md:12px;--radius-lg:24px;--transition:all 0.3s cubic-bezier(0.4,0,0.2,1);--safe-bottom:env(safe-area-inset-bottom,0px)}body.dark-theme{--bg-body:#090d16;--bg-surface:#0f172a;--bg-card:#141b2d;--border-color:#1e293b;--primary:#38bdf8;--primary-hover:#0ea5e9;--primary-glow:rgba(56,189,248,0.15);--accent:#f8fafc;--text-main:#f1f5f9;--text-muted:#94a3b8;--text-inverse:#0f172a;--card-shadow:0 4px 20px rgba(0,0,0,0.2);--hover-shadow:0 12px 30px rgba(56,189,248,0.15)}*{box-sizing:border-box;margin:0;padding:0;scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-primary);background-color:var(--bg-body);color:var(--text-main);line-height:1.6;overflow-x:hidden;transition:background-color 0.3s ease,color 0.3s ease}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:700;color:var(--accent);line-height:1.25}a{text-decoration:none;color:inherit;transition:var(--transition)}img{max-width:100%;height:auto;display:block}input,textarea,select{font-family:inherit;outline:none}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.screen-loader{display:none !important}.spinner{width:44px;height:44px;border:4px solid var(--border-color);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes 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0.3s ease,border-color 0.3s ease}body.dark-theme .header{background-color:rgba(9,13,22,0.8)}.header-container{display:flex;align-items:center;justify-content:space-between;width:100%}.logo{display:flex;align-items:center;gap:12px}.logo-icon{width:56px;height:56px;background-color:#fff;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;padding:5px;flex-shrink:0}.logo-icon img{width:100%;height:100%;object-fit:contain}.logo-text{display:flex;flex-direction:column;line-height:1.3}.logo-brand{font-family:'Inter',sans-serif;font-size:16px;font-weight:700;letter-spacing:0.3px;color:var(--accent)}.logo-tag{font-size:12px;font-weight:600;color:var(--text-muted);letter-spacing:1px;text-transform:uppercase}.nav{display:flex;align-items:center;gap:32px}.nav-link{font-family:var(--font-display);font-size:15px;font-weight:500;color:var(--text-muted);position:relative}.nav-link:hover,.nav-link.active{color:var(--primary)}.nav-link::after{content:'';position:absolute;bottom:-6px;left:0;width:0;height:2px;background-color:var(--primary);transition:var(--transition)}.nav-link.active::after,.nav-link:hover::after{width:100%}.header-actions{display:flex;align-items:center;gap:16px}.theme-btn{width:40px;height:40px;background-color:var(--bg-surface);border:1px solid var(--border-color);color:var(--text-main);border-radius:var(--radius-md);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;transition:var(--transition)}.theme-btn:hover{background-color:var(--border-color)}.mobile-menu-btn{display:none;font-size:24px;background:none;border:none;color:var(--text-main);cursor:pointer}.mobile-sidebar{position:fixed;top:0;right:-300px;width:280px;height:100vh;background-color:var(--bg-card);border-left:1px solid var(--border-color);z-index:1000;display:flex;flex-direction:column;transition:transform 0.3s cubic-bezier(0.4,0,0.2,1);padding:24px}.mobile-sidebar.open{transform:translateX(-300px)}.sidebar-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}.sidebar-title{font-family:var(--font-display);font-size:20px;font-weight:700;color:var(--accent)}.close-sidebar-btn{background:none;border:none;font-size:20px;color:var(--text-muted);cursor:pointer}.mobile-nav{display:flex;flex-direction:column;gap:20px}.mobile-nav-link{font-family:var(--font-display);font-size:16px;font-weight:500;color:var(--text-muted);padding:8px 0;border-bottom:1px solid var(--border-color)}.mobile-nav-link:hover{color:var(--primary);padding-left:8px}.sidebar-footer{margin-top:auto}.sidebar-overlay{position:fixed;inset:0;background-color:rgba(15,23,42,0.4);backdrop-filter:blur(4px);z-index:999;opacity:0;visibility:hidden;transition:var(--transition)}.sidebar-overlay.open{opacity:1;visibility:visible}.hero-section{padding:160px 0 100px 0;position:relative;overflow:hidden;background:linear-gradient(180deg,var(--bg-surface) 0%,var(--bg-body) 100%)}.hero-container{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:60px}.hero-content{display:flex;flex-direction:column;align-items:flex-start}.badge{background-color:var(--primary-glow);color:var(--primary);padding:6px 16px;border-radius:50px;font-size:13px;font-weight:600;font-family:var(--font-display);margin-bottom:24px}.hero-content h1{font-size:52px;font-weight:800;line-height:1.15;margin-bottom:20px;background:linear-gradient(to right,var(--accent),var(--primary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-content p{font-size:17px;color:var(--text-muted);margin-bottom:36px;max-width:540px}.hero-btns{display:flex;gap:16px}.hero-image-wrapper{position:relative;display:flex;align-items:center;justify-content:center;height:450px}.hero-image-bg{position:absolute;width:100%;height:100%;background:radial-gradient(circle,var(--primary-glow) 0%,transparent 70%);border-radius:var(--radius-lg);z-index:1}.hero-main-img{width:320px;height:400px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-hover) 100%);border-radius:var(--radius-lg);box-shadow:var(--hover-shadow);display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-inverse);z-index:2;position:relative;overflow:hidden;border:1px solid rgba(255,255,255,0.1)}.hero-main-img i{font-size:80px;margin-bottom:20px;animation:pulse 3s infinite alternate}@keyframes pulse{0%{transform:scale(1)}100%{transform:scale(1.1)}}.hero-main-img 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h3{font-size:22px;margin-bottom:8px}.checkout-product-name{color:var(--text-muted);font-size:14px;margin-bottom:20px}.checkout-modal-close{position:absolute;top:16px;right:16px;width:32px;height:32px;border:none;background-color:var(--bg-surface);color:var(--text-muted);border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center}.checkout-modal form .form-group{margin-bottom:16px}.checkout-modal .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.checkout-status{font-size:14px;font-weight:600;margin-top:14px;text-align:center}.checkout-status.success{color:#16a34a}.checkout-status.error{color:#dc2626}.checkout-note-small{font-size:12px;color:var(--text-muted);text-align:center;margin-top:12px;line-height:1.5}.product-card:hover 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h3{font-size:14px;font-weight:600;padding:12px 14px;color:var(--accent)}.social-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:30px}.social-card{background-color:var(--bg-surface);border:1px solid var(--border-color);padding:40px 30px;border-radius:var(--radius-md);box-shadow:var(--card-shadow);display:flex;flex-direction:column;align-items:flex-start;transition:var(--transition)}.social-card:hover{transform:translateY(-8px);box-shadow:var(--hover-shadow)}.social-icon{width:50px;height:50px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff;margin-bottom:24px}.facebook .social-icon{background-color:#1877f2}.facebook-personal .social-icon{background-color:#1877f2}.tiktok .social-icon{background-color:#010101}.threads .social-icon{background-color:#000000}.instagram .social-icon{background:linear-gradient(45deg,#f09433 0%,#e6683c 25%,#dc2743 50%,#cc2366 75%,#bc1888 100%)}.shopee 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#1e293b;padding-top:30px;text-align:center}.floating-contact{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:16px;z-index:99;padding-bottom:var(--safe-bottom)}.floating-btn{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 8px 24px rgba(0,0,0,0.15);font-size:24px;transition:var(--transition)}.floating-btn:hover{transform:scale(1.1) translateY(-4px)}.zalo{background-color:#0068ff;padding:0}.zalo-img-icon{width:40px;height:40px}.zalo-icon-inline{width:20px;height:20px}.phone{background-color:#0284c7;animation:pulse-phone 2s infinite}@keyframes pulse-phone{0%{box-shadow:0 0 0 0 rgba(2,132,199,0.7)}70%{box-shadow:0 0 0 15px rgba(2,132,199,0)}100%{box-shadow:0 0 0 0 rgba(2,132,199,0)}}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(100px);background-color:#0f172a;color:#fff;padding:12px 28px;border-radius:50px;font-family:var(--font-display);font-weight:600;font-size:14px;box-shadow:0 10px 30px rgba(0,0,0,0.2);z-index:1000;transition:transform 0.4s cubic-bezier(0.175,0.885,0.32,1.275)}.toast.show{transform:translateX(-50%) translateY(0)}.toast.toast-error{background-color:#dc2626}@media (max-width:991px){.hero-container{grid-template-columns:1fr;text-align:center;gap:40px}.hero-content{align-items:center}.hero-content h1{font-size:40px}.about-grid{grid-template-columns:1fr}.contact-grid{grid-template-columns:1fr}.contact-info-panel{padding:40px 30px}}@media (max-width:768px){.nav{display:none}.mobile-menu-btn{display:block}.logo-brand{font-size:14px}.btn-header{display:none}.section-header h2{font-size:28px}.form-row{grid-template-columns:1fr}.footer-container{grid-template-columns:1fr;gap:40px}.controls-wrapper{flex-direction:column;align-items:flex-start}.search-box{max-width:100%}}