:root{--ink:#0d1830;--muted:#64748b;--line:#dce7f5;--soft:#f6f9fd;--blue:#126ef8;--blue2:#00b7ff;--purple:#854dff;--shadow:0 18px 45px rgba(17,42,91,.12);--radius:24px}.wrap{width:min(1180px,calc(100% - 36px));margin:auto}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:#fff;line-height:1.55}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.desktop-only{display:inline-flex}.top-strip{background:#08182f;color:#cfe1ff;font-size:13px}.top-strip .wrap{display:flex;justify-content:space-between;align-items:center;padding:8px 0}.header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid #e8eef7}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content}.brand img{width:42px;height:42px;object-fit:contain}.brand b{font-size:18px;display:block;letter-spacing:-.02em}.brand small{display:block;color:#6b7a93;font-weight:600;font-size:11px;margin-top:1px}.desktop-nav{display:flex;align-items:center;gap:27px;margin-left:auto}.desktop-nav a{font-size:14px;font-weight:700;color:#34435d;position:relative}.desktop-nav a:hover,.desktop-nav a.on{color:var(--blue)}.desktop-nav a.on:after{content:"";position:absolute;left:0;right:0;bottom:-12px;height:3px;border-radius:10px;background:var(--blue)}.header-actions{display:flex;align-items:center;gap:12px}.btn{border:0;border-radius:13px;padding:13px 20px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.22s ease;line-height:1.1}.btn:hover{transform:translateY(-1px)}.btn-blue{background:linear-gradient(135deg,#0e75ff,#695cff);color:#fff;box-shadow:0 10px 25px rgba(30,111,255,.22)}.btn-ghost,.btn-outline{border:1px solid #cfe0f7;background:#fff;color:#1d5daf}.btn-call{background:#ff3857;color:#fff}.btn-white{background:#fff;color:#12213a}.btn-accent{background:var(--accent,#126ef8);color:#fff;box-shadow:0 12px 30px color-mix(in srgb,var(--accent,#126ef8) 28%,transparent)}.btn.full{width:100%}.menu-toggle{display:none;width:46px;height:46px;border:1px solid #d5e1f0;border-radius:15px;background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px}.menu-toggle span{width:20px;height:2px;background:#12233e;border-radius:2px}.mobile-menu{display:none;position:fixed;inset:0;background:rgba(7,22,44,.45);z-index:70;padding:18px}.mobile-menu.open{display:flex;align-items:flex-start;justify-content:flex-end}.mobile-menu-card{background:#fff;width:min(360px,100%);border-radius:22px;padding:20px;box-shadow:0 25px 70px rgba(0,0,0,.25);display:grid;gap:8px}.mobile-menu-card a{padding:12px 10px;border-bottom:1px solid #eef3f9;font-weight:700}.mobile-menu-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}.mobile-menu-head button{border:0;background:#edf3fb;width:38px;height:38px;border-radius:12px;font-size:25px}.section{padding:76px 0}.soft{background:var(--soft)}.section-head{max-width:750px;margin-bottom:30px}.section-head.center{text-align:center;margin-left:auto;margin-right:auto}.section-head.split{display:flex;align-items:end;justify-content:space-between;gap:24px;max-width:none}.section-head h2{font-size:clamp(28px,4vw,44px);letter-spacing:-.04em;line-height:1.09;margin:8px 0 12px}.section-head p{color:var(--muted);margin:0;font-size:17px}.mini-label,.eyebrow{display:inline-flex;align-items:center;border-radius:999px;padding:8px 13px;background:#eaf4ff;color:#116bc6;font-size:12px;font-weight:900;letter-spacing:.08em}.gradient-text{background:linear-gradient(90deg,#05a7ff,#6e59ff,#c044f2);-webkit-background-clip:text;background-clip:text;color:transparent}
/* HOME */.home-top{background:radial-gradient(circle at 90% 10%,#edf6ff 0,#fff 50%);padding:42px 0 16px}.home-top .intro{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center;margin-bottom:30px}.home-top h1{font-size:clamp(36px,5vw,58px);line-height:1.02;letter-spacing:-.055em;margin:13px 0 15px}.home-top .intro p{font-size:18px;color:var(--muted);max-width:700px}.intro-media{background:linear-gradient(135deg,#eaf8ff,#f2edff);border-radius:28px;overflow:hidden;border:1px solid #dce7f5;box-shadow:var(--shadow)}.intro-media img{width:100%;aspect-ratio:16/10;object-fit:cover}.service-showcase{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.service-card{background:#fff;border:1px solid #dce7f5;border-radius:24px;overflow:hidden;box-shadow:0 12px 30px rgba(28,56,108,.08);display:flex;flex-direction:column;transition:.22s ease;min-width:0}.service-card:hover{transform:translateY(-4px);box-shadow:0 18px 42px rgba(28,56,108,.14)}.service-card:nth-child(4),.service-card:nth-child(5){grid-column:span 1}.service-card-top{position:relative;background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 10%,white),#fff);padding:14px 14px 0}.service-card-top img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:17px;border:1px solid color-mix(in srgb,var(--accent) 18%,#e7eef8)}.service-badge{position:absolute;top:25px;left:25px;background:var(--accent);color:#fff;font-size:11px;font-weight:900;padding:7px 10px;border-radius:999px;box-shadow:0 8px 20px color-mix(in srgb,var(--accent) 30%,transparent)}.service-card-body{padding:18px 18px 16px;display:flex;flex-direction:column;flex:1}.service-title-row{display:flex;align-items:center;gap:10px}.service-icon{width:42px;height:42px;border-radius:13px;background:color-mix(in srgb,var(--accent) 12%,white);color:var(--accent);display:grid;place-items:center;flex:none}.service-icon svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:2}.service-icon svg>path:not(.icon-cut),.service-icon svg>rect{fill:currentColor;opacity:.13}.service-icon .icon-cut{fill:none;stroke:currentColor}.service-card h3{font-size:20px;letter-spacing:-.03em;margin:0}.service-card p{color:var(--muted);font-size:14px;margin:12px 0 17px;min-height:44px}.detail-button{margin-top:auto;background:var(--accent);color:#fff;border-radius:13px;padding:12px 14px;font-weight:900;text-align:center;letter-spacing:.01em;box-shadow:0 9px 18px color-mix(in srgb,var(--accent) 24%,transparent)}.proof-strip{margin-top:25px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.proof-item{background:#fff;border:1px solid #e1e9f5;border-radius:18px;padding:17px;text-align:center}.proof-item b{display:block;font-size:22px;color:#0f5fce}.proof-item span{font-size:13px;color:var(--muted)}.banner-wide{margin-top:28px;border-radius:28px;overflow:hidden;border:1px solid #dce6f5;box-shadow:var(--shadow)}.banner-wide img{width:100%;aspect-ratio:21/8;object-fit:cover}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.feature-card{background:#fff;border:1px solid #e0e9f5;border-radius:20px;padding:22px}.feature-card b{display:inline-grid;place-items:center;width:40px;height:40px;background:#e9f3ff;color:#1476eb;border-radius:12px;margin-bottom:12px}.feature-card h3{margin:0 0 8px;font-size:18px}.feature-card p{margin:0;color:var(--muted);font-size:14px}.case-preview{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.case-preview a{border:1px solid #dfe8f4;border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 10px 25px rgba(24,47,88,.07)}.case-preview img{width:100%;aspect-ratio:4/3;object-fit:cover}.case-preview div{padding:15px}.case-preview b{display:block;margin-bottom:4px}.case-preview span{font-size:13px;color:var(--muted)}.big-cta{background:linear-gradient(135deg,var(--accent,#0f78ff),color-mix(in srgb,var(--accent,#0f78ff) 65%,#7a48ff));border-radius:28px;padding:34px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px;box-shadow:0 20px 48px color-mix(in srgb,var(--accent,#0f78ff) 25%,transparent)}.big-cta h2{margin:8px 0;font-size:34px;letter-spacing:-.04em}.big-cta p{margin:0;opacity:.88}.big-cta .mini-label{background:rgba(255,255,255,.16);color:#fff}
/* SERVICE */.service-hero{padding:44px 0 34px;background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 7%,white),#fff)}.service-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}.breadcrumbs{display:flex;align-items:center;gap:8px;font-size:12px;color:#6d7b91;margin-bottom:16px;flex-wrap:wrap}.breadcrumbs a{color:#2874c8}.service-pill{display:inline-flex;background:var(--accent);color:#fff;padding:7px 12px;border-radius:999px;font-size:11px;font-weight:900;letter-spacing:.06em}.service-hero h1{font-size:clamp(38px,5vw,60px);line-height:1.03;letter-spacing:-.055em;margin:13px 0 16px}.service-hero .lead{font-size:18px;color:#53637d;max-width:700px}.hero-checks{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:22px 0;color:#30415e;font-size:14px}.hero-checks span:before{color:var(--accent)}.hero-cta-row{display:flex;gap:12px;flex-wrap:wrap}.service-hero-media{border-radius:28px;overflow:hidden;border:1px solid color-mix(in srgb,var(--accent) 20%,#e2e9f4);box-shadow:var(--shadow);background:#fff}.service-hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}.gallery-section{padding:50px 0;background:#fff}.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.gallery-item{padding:0;border:1px solid #dfe8f4;border-radius:20px;background:#fff;overflow:hidden;position:relative;box-shadow:0 10px 28px rgba(21,45,90,.07)}.gallery-item img{width:100%;aspect-ratio:4/3;object-fit:cover}.gallery-item span{position:absolute;left:12px;bottom:12px;background:rgba(6,20,42,.82);color:#fff;padding:7px 10px;border-radius:999px;font-size:12px;font-weight:800;backdrop-filter:blur(8px)}.empty-gallery{padding:30px;border:1px dashed #cbd8e8;border-radius:20px;text-align:center;color:var(--muted)}.two-col{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:28px;align-items:start}.benefit-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}.benefit-card{border:1px solid #e1e9f4;border-radius:19px;padding:18px;display:flex;gap:12px}.benefit-check{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:#e5f7ee;color:#13a16b;font-weight:900;flex:none}.benefit-card h3{font-size:16px;margin:0 0 6px}.benefit-card p{margin:0;font-size:14px;color:var(--muted)}.contact-side{position:sticky;top:98px;border:1px solid #dce6f2;border-radius:22px;padding:22px;box-shadow:var(--shadow);background:#fff}.contact-side h3{font-size:24px;letter-spacing:-.04em;margin:10px 0}.contact-side p{color:var(--muted);font-size:14px}.contact-side .btn{margin-top:10px}.trust-mini{display:grid;gap:7px;margin-top:16px;border-top:1px solid #edf1f6;padding-top:14px;font-size:13px;color:#50617b}.who-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.who-card{background:#fff;border:1px solid #dfe8f4;border-radius:19px;padding:20px;display:flex;gap:14px;align-items:center}.who-card b{width:42px;height:42px;border-radius:13px;background:#eaf4ff;color:#176fc7;display:grid;place-items:center}.who-card span{font-weight:700}.process-line{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.process-step{border:1px solid #dee8f4;border-radius:20px;padding:20px}.process-step span{width:42px;height:42px;border-radius:13px;background:#0f76f5;color:#fff;font-weight:900;display:grid;place-items:center}.process-step p{font-weight:700;margin:14px 0 0}.faq-wrap{max-width:900px}.faq-list{display:grid;gap:12px}.faq-list details{border:1px solid #dfe8f4;background:#fff;border-radius:16px;padding:16px 18px}.faq-list summary{font-weight:800;cursor:pointer}.faq-list p{color:var(--muted);margin-bottom:2px}.lightbox{display:none;position:fixed;inset:0;background:rgba(4,12,26,.88);z-index:100;align-items:center;justify-content:center;padding:30px}.lightbox.open{display:flex}.lightbox img{max-width:min(1000px,95vw);max-height:88vh;border-radius:20px;background:#fff}.lightbox button{position:fixed;right:25px;top:20px;width:46px;height:46px;border:0;border-radius:50%;background:#fff;font-size:30px}
/* GENERIC */.page-hero{padding:56px 0;background:linear-gradient(180deg,#eef7ff,#fff)}.page-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center}.page-hero h1{font-size:clamp(38px,5vw,58px);line-height:1.04;letter-spacing:-.05em;margin:10px 0}.page-hero p{color:var(--muted);font-size:18px}.page-hero img{border-radius:25px;border:1px solid #dfe8f4;box-shadow:var(--shadow);width:100%;aspect-ratio:16/10;object-fit:cover}.content-card{background:#fff;border:1px solid #e0e8f2;border-radius:22px;padding:25px}.content-card h2,.content-card h3{letter-spacing:-.03em}.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.price-card{border:1px solid #dfe8f3;border-radius:22px;padding:24px;background:#fff}.price-card.highlight{border:2px solid #1877f2;box-shadow:var(--shadow)}.price-card h3{font-size:22px}.price-card .price{font-size:30px;font-weight:900;color:#116fe1}.price-card ul{padding-left:20px;color:#53637d}.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.post-card{border:1px solid #dfe7f3;border-radius:20px;background:#fff;padding:20px}.post-card h3{font-size:19px;line-height:1.25;margin:8px 0}.post-card p{font-size:14px;color:var(--muted)}.article{max-width:840px;margin:auto}.article h1{font-size:44px;letter-spacing:-.05em}.article h2{font-size:28px;margin-top:34px}.article p,.article li{color:#465976;font-size:17px}.article .notice{background:#eff7ff;border-left:4px solid #1776e9;padding:16px 18px;border-radius:12px}.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:25px}.contact-list{display:grid;gap:12px}.contact-line{border:1px solid #dce7f4;border-radius:17px;padding:18px;display:flex;justify-content:space-between;gap:20px}.contact-line span{color:var(--muted)}
/* CONTACT MODAL */.chat-fab{position:fixed;right:20px;bottom:20px;z-index:55;border:0;border-radius:999px;background:linear-gradient(135deg,#0ab6ff,#744dff);color:#fff;padding:11px 16px;display:flex;align-items:center;gap:8px;box-shadow:0 14px 35px rgba(26,101,227,.35);font-weight:800}.chat-fab span{font-size:20px}.contact-modal{display:none;position:fixed;inset:0;z-index:90}.contact-modal.open{display:block}.contact-backdrop{position:absolute;inset:0;background:rgba(5,16,34,.55);backdrop-filter:blur(6px)}.contact-box{position:absolute;width:min(520px,calc(100% - 28px));left:50%;top:50%;transform:translate(-50%,-50%);background:#fff;border-radius:25px;padding:26px;box-shadow:0 30px 80px rgba(4,17,38,.3)}.contact-close{position:absolute;right:16px;top:14px;border:0;background:#edf3f9;width:37px;height:37px;border-radius:12px;font-size:23px}.contact-box h3{font-size:27px;letter-spacing:-.04em;margin:12px 0 6px}.contact-box>p{color:var(--muted);margin-top:0}.message-preview{background:#f4f7fb;border:1px solid #e0e7f1;border-radius:15px;padding:13px;font-size:13px;color:#50617b;margin:14px 0}.contact-grid{display:grid;gap:10px}.contact-channel{border:1px solid #dce6f3;background:#fff;border-radius:16px;padding:13px 14px;display:flex;align-items:center;gap:13px;text-align:left}.contact-channel:hover{border-color:#9fc5f5;background:#f8fbff}.channel-icon{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;color:#fff;font-weight:900}.zalo .channel-icon{background:#0b86ff}.messenger .channel-icon{background:linear-gradient(135deg,#087cfa,#c14cff)}.phone .channel-icon{background:#ef3f59}.contact-channel b,.contact-channel small{display:block}.contact-channel small{color:var(--muted);margin-top:2px}.copy-note{display:block;color:#7b899c;margin-top:12px}.footer{background:#08172e;color:#c8d7ed;padding:50px 0 0}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}.footer h4{color:#fff}.footer a,.footer .text-button{display:block;color:#c8d7ed;margin:8px 0;font-size:14px}.text-button{border:0;background:none;padding:0;text-align:left}.footer-brand{display:flex;align-items:center;gap:10px;color:#fff}.footer-brand img{width:42px;height:42px}.footer p{max-width:450px;color:#94a9c6}.footer-bottom{margin-top:34px;border-top:1px solid #20314d;padding:18px 0 24px;color:#8399b6;font-size:12px}
@media(max-width:980px){.desktop-nav,.desktop-only{display:none!important}.menu-toggle{display:flex}.header-inner{min-height:68px}.brand img{width:40px;height:40px}.service-showcase{grid-template-columns:1fr 1fr}.service-card:nth-child(5){grid-column:1/-1}.home-top .intro,.service-hero-grid,.page-hero-grid{grid-template-columns:1fr}.intro-media{order:-1}.service-hero-media{order:-1}.two-col{grid-template-columns:1fr}.contact-side{position:static}.who-grid,.process-line,.feature-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.price-grid,.post-grid,.case-preview{grid-template-columns:1fr 1fr}.gallery-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.wrap{width:min(100% - 26px,1180px)}.top-strip .wrap{justify-content:center;padding:6px 0}.top-strip{font-size:11px}.header-inner{min-height:66px}.brand span small{font-size:10px}.brand b{font-size:16px}.menu-toggle{width:44px;height:44px}.home-top{padding:25px 0 8px}.home-top .intro{display:block;margin-bottom:18px}.home-top .intro-media{display:none}.home-top h1{font-size:36px;line-height:1.06;margin:10px 0}.home-top .intro p{font-size:15px;margin-bottom:10px}.eyebrow,.mini-label{font-size:10px;padding:7px 10px}.service-showcase{grid-template-columns:1fr 1fr;gap:11px}.service-card:nth-child(5){grid-column:1/-1;display:grid;grid-template-columns:42% 58%}.service-card:nth-child(5) .service-card-top{padding-bottom:14px}.service-card-top{padding:9px 9px 0}.service-card-top img{aspect-ratio:4/3;border-radius:13px}.service-badge{top:15px;left:15px;font-size:8px;padding:5px 7px}.service-card-body{padding:12px}.service-title-row{gap:7px}.service-icon{width:34px;height:34px;border-radius:10px}.service-icon svg{width:19px;height:19px}.service-card h3{font-size:15px;line-height:1.16}.service-card p{font-size:11px;line-height:1.4;margin:8px 0 10px;min-height:46px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.detail-button{font-size:11px;padding:10px 8px;border-radius:10px}.proof-strip{grid-template-columns:1fr 1fr}.banner-wide img{aspect-ratio:16/10}.section{padding:50px 0}.section-head.split{display:block}.section-head.split .btn{margin-top:16px}.section-head h2{font-size:31px}.section-head p{font-size:15px}.feature-grid,.who-grid,.process-line,.benefit-grid,.price-grid,.post-grid,.case-preview,.gallery-grid,.footer-grid,.contact-layout{grid-template-columns:1fr}.service-hero{padding:25px 0}.service-hero h1{font-size:38px}.service-hero .lead{font-size:16px}.hero-checks{grid-template-columns:1fr}.hero-cta-row .btn{width:100%}.service-hero-media img{aspect-ratio:16/10}.gallery-section{padding:35px 0}.gallery-grid{grid-template-columns:1fr 1fr;gap:10px}.gallery-item{border-radius:15px}.gallery-item span{font-size:9px;padding:5px 7px}.benefit-grid{gap:10px}.benefit-card{padding:15px}.who-grid{grid-template-columns:1fr 1fr}.who-card{padding:14px}.who-card span{font-size:13px}.process-line{gap:10px}.big-cta{display:block;padding:24px}.big-cta h2{font-size:29px}.big-cta .btn{width:100%;margin-top:18px}.chat-fab{right:14px;bottom:14px;padding:10px 13px}.chat-fab b{display:none}.contact-box{padding:22px 18px}.contact-box h3{font-size:23px}.page-hero{padding:35px 0}.page-hero h1{font-size:38px}.page-hero img{aspect-ratio:16/10}.article h1{font-size:36px}.footer{padding-top:38px}.service-card:nth-child(5) .service-card-body{justify-content:center}.service-card:nth-child(5) p{min-height:0}.service-card:nth-child(5) .service-title-row{align-items:flex-start}}

/* V6 public UI refinements */
@media(max-width:640px){
  .section{padding:42px 0}
  .page-hero{padding:30px 0}
  .feature-grid{grid-template-columns:1fr 1fr;gap:10px}
  .feature-card{padding:16px;border-radius:17px}
  .feature-card b{width:34px;height:34px;margin-bottom:10px}
  .feature-card h3{font-size:15px;line-height:1.25}
  .feature-card p{font-size:12px;line-height:1.45}
}