:root{--radius-md:16px;--shadow-soft:0 12px 34px rgba(8,38,77,.09);--shadow-hover:0 20px 48px rgba(8,38,77,.16);--ease:cubic-bezier(.2,.7,.2,1)}
html{scroll-padding-top:100px}body{overflow-x:hidden}a,button,input,select,textarea{transition:border-color .2s,box-shadow .2s,color .2s,background-color .2s,transform .2s}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(8,102,217,.28);outline-offset:3px}.site-header{transition:box-shadow .25s,background-color .25s}.site-header.is-scrolled{box-shadow:0 9px 30px rgba(8,38,77,.14)}.brand-logo{max-height:58px;max-width:180px;object-fit:contain}.public-nav>a{position:relative}.public-nav>a:not(.header-cta):after{content:"";position:absolute;left:50%;right:50%;bottom:18px;height:2px;background:var(--blue);transition:.2s}.public-nav>a:hover:after,.public-nav>a.active:after{left:0;right:0}.public-nav .header-cta{border-radius:10px}.public-nav .header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 25px rgba(255,122,0,.34)}
.hero-copy{animation:fade-slide .65s var(--ease) both}.hero-visual{animation:fade-in .8s .12s var(--ease) both}.hero-visual img{filter:drop-shadow(0 24px 30px rgba(0,0,0,.2))}.hero h1{max-width:760px;text-wrap:balance}.btn-orange,.btn-outline-light-custom{min-height:50px;border-radius:10px}.btn-orange:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,122,0,.38)}.btn-outline-light-custom:hover{color:var(--navy);background:#fff;transform:translateY(-2px)}
.service-sidebar,.info-panel,.security-panel,.intro-card,.service-card,.post-card,.tracking-card,.article-main,.article-aside,.case-article,.timeline-card,.list-group-item{border-radius:var(--radius-md);box-shadow:var(--shadow-soft)}.service-card,.post-card,.info-panel,.security-panel{transition:transform .25s var(--ease),box-shadow .25s var(--ease)}.service-card:hover,.post-card:hover,.info-panel:hover,.security-panel:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}.form-control,.form-select,.tracking-input,input,textarea,select{border-radius:10px}.form-control:focus,.form-select:focus,.tracking-input:focus-within,input:focus,textarea:focus,select:focus{border-color:#6ba8ec;box-shadow:0 0 0 .25rem rgba(8,102,217,.12);outline:0}.btn,.btn-orange,.btn-outline-light-custom{font-weight:700}.btn:active,.btn-orange:active,.btn-outline-light-custom:active{transform:translateY(1px)}
.commercial-section{padding:80px 0}.commercial-section.alt{background:var(--light)}.commercial-heading{text-align:center;max-width:760px;margin:0 auto 38px}.commercial-heading h2{color:var(--navy);font-weight:800;letter-spacing:-.025em;margin:8px 0 12px}.commercial-heading p{color:var(--muted);line-height:1.75}.feature-grid,.process-grid,.device-grid,.testimonial-grid{display:grid;gap:22px}.feature-grid,.process-grid{grid-template-columns:repeat(4,1fr)}.process-grid{counter-reset:process}.device-grid{grid-template-columns:repeat(6,1fr)}.testimonial-grid{grid-template-columns:repeat(3,1fr)}.feature-box,.process-step,.device-chip,.testimonial-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:26px;box-shadow:var(--shadow-soft);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}.feature-box:hover,.process-step:hover,.device-chip:hover,.testimonial-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}.feature-icon,.process-step:before{width:48px;height:48px;display:grid;place-items:center;border-radius:14px;background:#e9f3ff;color:var(--blue);font-weight:800;margin-bottom:18px}.process-step{counter-increment:process;position:relative}.process-step:before{content:"0" counter(process);background:var(--navy);color:#fff}.feature-box h3,.process-step h3,.testimonial-card h3{font-size:17px;color:var(--navy);font-weight:800}.feature-box p,.process-step p,.testimonial-card p{color:var(--muted);font-size:14px;line-height:1.7;margin:0}.device-chip{text-align:center;padding:22px 12px;font-weight:700;color:var(--navy)}.device-chip span{display:block;font-size:28px;margin-bottom:9px}.testimonial-stars{color:#ff9300;letter-spacing:2px;margin-bottom:12px}.testimonial-author{display:flex;align-items:center;gap:10px;margin-top:18px}.testimonial-avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-weight:800}.faq-wrap{max-width:900px;margin:auto}.faq-wrap .accordion-item{border:1px solid var(--line);border-radius:12px!important;margin-bottom:12px;overflow:hidden}.faq-wrap .accordion-button{font-weight:700;color:var(--navy);padding:19px 22px}.faq-wrap .accordion-button:not(.collapsed){background:#edf6ff;color:var(--blue);box-shadow:none}.final-cta{padding:72px 0;background:linear-gradient(125deg,var(--navy-2),#0b5fc1);color:#fff}.final-cta-box{display:flex;align-items:center;justify-content:space-between;gap:35px}.final-cta h2{font-weight:800}.final-cta p{color:#d6e5f5;margin:8px 0 0}.final-cta-actions{display:flex;gap:12px;flex-shrink:0}
.tracking-card,.timeline,.result-head,.result-device{overflow:hidden}.status-pill{box-shadow:0 8px 20px rgba(255,122,0,.25)}.timeline-card .list-group-item{box-shadow:none;border-color:#dce6f1;margin-top:8px}.article-main,.case-article{line-height:1.75}.article-main h1,.case-article h1{line-height:1.28;letter-spacing:-.025em}.site-footer{position:relative}.site-footer:before{content:"";position:absolute;inset:0 0 auto;height:1px;background:linear-gradient(90deg,transparent,#2785e8,transparent)}.footer-grid a:hover{color:#fff;transform:translateX(2px)}
.floating-actions{position:fixed;right:18px;bottom:18px;z-index:70;display:grid;justify-items:end;gap:9px}.float-action{width:48px;height:48px;border:0;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#fff;color:var(--navy);box-shadow:0 8px 25px rgba(8,38,77,.2);font-weight:800;position:relative}.float-action span{position:absolute;right:58px;white-space:nowrap;background:var(--navy);color:#fff;padding:6px 10px;border-radius:7px;font-size:12px;opacity:0;pointer-events:none;transform:translateX(5px);transition:.2s}.float-action:hover span{opacity:1;transform:none}.float-call{background:var(--orange);color:#fff}.float-zalo{background:#0877e8;color:#fff}.float-messenger{background:#7b42f6;color:#fff}.back-to-top{opacity:0;visibility:hidden;transform:translateY(8px)}.back-to-top.show{opacity:1;visibility:visible;transform:none}
@keyframes fade-slide{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}@keyframes fade-in{from{opacity:0}to{opacity:1}}
@media(max-width:991.98px){.feature-grid,.process-grid{grid-template-columns:repeat(2,1fr)}.device-grid{grid-template-columns:repeat(3,1fr)}.testimonial-grid{grid-template-columns:1fr}.public-nav>a:not(.header-cta):after{display:none}.final-cta-box{display:block}.final-cta-actions{margin-top:24px}}
@media(max-width:576px){.commercial-section{padding:56px 0}.feature-grid,.process-grid,.device-grid{grid-template-columns:1fr 1fr;gap:12px}.feature-box,.process-step{padding:20px}.device-chip{padding:18px 8px}.final-cta{padding:54px 0}.final-cta-actions{display:grid}.float-action{width:44px;height:44px}.floating-actions{right:12px;bottom:12px}.hero h1{line-height:1.12}.list-group-item{align-items:flex-start!important;flex-direction:column}.list-group-item>.d-flex{width:100%;flex-wrap:wrap}}
.is-loading{pointer-events:none;opacity:.75}.is-loading:after{content:"";display:inline-block;width:14px;height:14px;margin-left:8px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;vertical-align:-2px;animation:spin .65s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}