:root{--primary:#0b3d91;--primary-hover:#082c6a;--accent:#d32f2f;--accent-hover:#b71c1c;--secondary-accent:#f5a623;--navy-light:#1a5cb5;--bg-color:#fff;--text-color:#333;--text-light:#555;--border-color:#e2e8f0;--spacing-xs:.25rem;--spacing-sm:.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-xxl:3.5rem;--radius:8px;--radius-lg:16px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background-color:var(--bg-color);color:var(--text-color);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none;transition:all .2s}img{max-width:100%;height:auto;display:block}.container{width:100%;max-width:1240px;padding:0 var(--spacing-md);margin:0 auto}.top-notice-bar{color:#fff;padding:6px var(--spacing-sm);text-align:center;background-color:#0b3d91;border-bottom:1px solid #ffffff1a;font-size:.825rem;font-weight:500;line-height:1.4}.header{background:var(--bg-color);border-bottom:3px solid var(--accent);z-index:1000;position:sticky;top:0;box-shadow:0 2px 10px #0000000f}.header-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding-top:12px;padding-bottom:12px;display:flex}.header .logo{color:var(--primary);white-space:nowrap;flex-shrink:0;font-size:clamp(1.1rem,2.5vw,1.35rem);font-weight:800}.header-controls{align-items:center;gap:10px;display:flex}.menu-toggle{border:1px solid var(--border-color);color:var(--primary);cursor:pointer;background:#f1f5f9;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:8px 14px;font-size:.9rem;font-weight:700;transition:all .2s;display:inline-flex}.menu-toggle:hover,.menu-toggle:focus{color:var(--primary-hover);background:#e2e8f0}.menu-toggle.active{background-color:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 4px 14px #0b3d9159}.menu-toggle.active svg{stroke:#fff}.main-nav{width:100%}.main-nav>ul{list-style:none;display:flex}.main-nav a{color:var(--text-color);white-space:nowrap;font-size:.95rem;font-weight:600}.main-nav a:hover{color:var(--primary)}.dropdown{position:relative}.dropdown.active>a{color:var(--primary)}.dropdown-menu{z-index:1000;border:1px solid var(--border-color);background-color:#fff;border-radius:8px;min-width:210px;padding:8px 0;list-style:none;display:none;box-shadow:0 8px 24px #0000001f}.dropdown.active .dropdown-menu{flex-direction:column;animation:.15s ease-out forwards fadeIn;display:flex!important}.dropdown-menu li{margin:0}.dropdown-menu a{color:#333;align-items:center;gap:10px;padding:10px 18px;font-size:.9rem;font-weight:500;display:flex}.dropdown-menu a:hover{color:var(--primary);background-color:#f8fafc}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media (width<=991px){.main-nav{border:1px solid var(--border-color);background:#fff;border-radius:12px;order:10;margin-top:8px;padding:8px 0;display:none;box-shadow:0 12px 30px #0000001f}.main-nav.mobile-active{animation:.2s ease-out slideDown;display:block!important}.main-nav>ul{flex-direction:column;align-items:stretch}.main-nav>ul>li{border-bottom:1px solid #f1f5f9}.main-nav>ul>li:last-child{border-bottom:none}.main-nav a{justify-content:space-between;align-items:center;width:100%;padding:12px 20px;font-size:1rem;display:flex}.dropdown-menu{box-shadow:none;background:#f8fafc;border:none;border-radius:6px;margin:4px 12px 8px;padding:4px 0;position:static}.dropdown-menu a{padding:10px 16px}}@media (width<=639px){.header-inner{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:10px}.header .logo,.header-controls{justify-content:center;width:100%}}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@media (width>=992px){.menu-toggle{display:none!important}.header-inner{flex-wrap:nowrap}.main-nav{order:2;width:auto;display:flex!important}.main-nav>ul{flex-direction:row;align-items:center;gap:1.5rem}.dropdown-menu{margin-top:6px;position:absolute;top:100%;left:auto;right:0}.header-controls{order:3}}.btn{border-radius:var(--radius);cursor:pointer;white-space:nowrap;border:none;justify-content:center;align-items:center;padding:12px 24px;font-size:1rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--accent);color:#fff;box-shadow:0 6px 18px #d32f2f4d}.btn-primary:hover{background-color:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 10px 25px #d32f2f66}.btn-primary:active{transform:translateY(0)}.btn-secondary{background-color:var(--primary);color:#fff;box-shadow:0 6px 18px #0b3d9140}.btn-secondary:hover{background-color:var(--primary-hover);color:#fff;transform:translateY(-2px);box-shadow:0 10px 25px #0b3d9159}.btn-outline{color:var(--primary);border:2px solid var(--primary);background-color:#fff;box-shadow:0 4px 12px #0000000d}.btn-outline:hover{background-color:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px #0b3d9140}.floating-action-menu{z-index:999;flex-direction:column;align-items:flex-end;gap:12px;display:flex;position:fixed;bottom:20px;right:16px}.floating-item{align-items:center;display:flex}.floating-tooltip{color:#fff;opacity:0;pointer-events:none;backdrop-filter:blur(4px);white-space:nowrap;background:#000c;border-radius:20px;margin-right:10px;padding:6px 12px;font-size:.8rem;font-weight:500;transition:all .3s;transform:translate(10px)}.floating-item:hover .floating-tooltip{opacity:1;transform:translate(0)}.floating-btn{color:#fff;border-radius:50%;justify-content:center;align-items:center;transition:transform .2s,box-shadow .2s;display:flex;position:relative;box-shadow:0 4px 15px #0003}.floating-btn:hover{transform:translateY(-2px)scale(1.05);box-shadow:0 8px 25px #0000004d}.floating-zalo{background-color:#0068ff;width:46px;height:46px;margin-right:7px}.floating-fb{background-color:#1877f2;width:46px;height:46px;margin-right:7px}.floating-call{background:linear-gradient(135deg, var(--accent), #f44336);width:60px;height:60px;box-shadow:0 6px 20px #d32f2f66}.floating-call svg{z-index:2;animation:2s ease-in-out infinite ring;position:relative}.ripple{background-color:var(--accent);z-index:1;border-radius:50%;width:100%;height:100%;animation:2s infinite ripple-effect;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes ripple-effect{0%{opacity:.8;transform:translate(-50%,-50%)scale(1)}to{opacity:0;transform:translate(-50%,-50%)scale(1.6)}}@keyframes ring{0%,10%,20%,30%,40%,to{transform:rotate(0)}5%,15%,25%,35%{transform:rotate(15deg)}10%,20%,30%{transform:rotate(-15deg)}}.hero{text-align:center;background:linear-gradient(#f0f4fa 0%,#fff 100%);padding-top:clamp(2rem,5vw,4rem);padding-bottom:clamp(2rem,5vw,4rem)}.hero h1{color:var(--primary);margin-bottom:var(--spacing-md);font-size:clamp(1.6rem,4.5vw,2.75rem);font-weight:800;line-height:1.25}.hero p{color:var(--text-light);margin-bottom:var(--spacing-lg);max-width:720px;margin-left:auto;margin-right:auto;font-size:clamp(.95rem,2vw,1.125rem);line-height:1.6}.hero-cta{flex-direction:column;justify-content:center;align-items:center;gap:12px;width:100%;margin-top:24px;display:flex}.hero-cta .btn{box-sizing:border-box;width:100%;max-width:360px}@media (width>=640px){.hero-cta{flex-direction:row;width:auto}.hero-cta .btn{width:auto;max-width:none}}.services{padding-top:clamp(2rem,4vw,3.5rem);padding-bottom:clamp(2rem,4vw,3.5rem)}.services-grid{gap:var(--spacing-lg);grid-template-columns:repeat(auto-fit,minmax(280px,1fr));display:grid}.service-card{border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-lg);background:#fff;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 12px #00000008}.service-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px #00000012}.service-card h3{color:var(--primary);margin-bottom:var(--spacing-sm);font-size:clamp(1.05rem,2vw,1.25rem);line-height:1.35}.footer{color:#eee;margin-top:var(--spacing-xxl);background-color:#0b3d91}.footer-inner{grid-template-columns:1fr;gap:2.5rem;padding-top:3rem;padding-bottom:2.5rem;display:grid}.footer-col{flex-direction:column;display:flex}.footer-links ul{list-style:none}.footer-links li{margin-bottom:10px}.footer-links a{color:#ffffffd9;font-size:.925rem;transition:color .2s,padding-left .2s}.footer-links a:hover{color:#f5a623;padding-left:4px}.footer-contact p{color:#ffffffd9;line-height:1.6}.footer-bottom{padding:var(--spacing-lg) 0 110px 0;text-align:center;color:#ffffffb3;border-top:1px solid #ffffff26;font-size:.85rem}@media (width>=640px){.footer-inner{grid-template-columns:repeat(2,1fr);gap:2rem}}@media (width>=992px){.footer-inner{grid-template-columns:1.4fr 1.3fr 1fr 1fr;gap:2.5rem}.footer-bottom{padding-bottom:var(--spacing-lg)}}.prose{padding-top:var(--spacing-xl);padding-bottom:var(--spacing-xl)}.prose h1,.prose h2,.prose h3{color:var(--primary);margin-top:var(--spacing-lg);margin-bottom:var(--spacing-sm);line-height:1.3}.prose p{margin-bottom:var(--spacing-md);color:#444}.prose ul,.prose ol{margin-bottom:var(--spacing-md);padding-left:var(--spacing-xl);color:#444}.prose li{margin-bottom:8px}.text-accent{color:var(--accent)}.bg-navy{background-color:var(--primary)}.global-lightbox{z-index:99999;opacity:0;pointer-events:none;backdrop-filter:blur(8px);box-sizing:border-box;background:#000000eb;flex-direction:column;justify-content:center;align-items:center;width:100vw;height:100vh;padding:20px;transition:opacity .25s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;left:0}.global-lightbox.active{opacity:1;pointer-events:auto}.global-lightbox img{object-fit:contain;cursor:zoom-out;border-radius:12px;max-width:92vw;max-height:85vh;transition:transform .3s cubic-bezier(.34,1.56,.64,1);transform:scale(.92);box-shadow:0 20px 50px #0009}.global-lightbox.active img{transform:scale(1)}.lightbox-close{color:#fff;cursor:pointer;z-index:100000;background:#fff3;border:none;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:32px;line-height:1;transition:all .2s;display:flex;position:absolute;top:20px;right:24px}.lightbox-close:hover{background:var(--accent,#d32f2f);color:#fff;transform:scale(1.1)}.lightbox-caption{color:#ffffffe6;text-align:center;text-shadow:0 2px 4px #00000080;max-width:80vw;margin-top:14px;font-size:.95rem;font-weight:500}main img{cursor:zoom-in;transition:filter .2s}main img:hover{filter:brightness(1.03)}