:root{
  --primary:#1167B1;--primary-2:#26A9E0;--cta:#FF7A00;--success:#20A464;
  --bg:#F6F9FC;--surface:#fff;--text:#172033;--muted:#667085;--line:#DCE7F1;
  --shadow:0 18px 50px rgba(17,103,177,.10);--radius:22px;--max:1240px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Be Vietnam Pro",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.65}img{max-width:100%;display:block}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.section{padding:88px 0}.section.alt{background:var(--bg)}.eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#EAF5FF;color:var(--primary);font-size:13px;font-weight:800;max-width:100%;white-space:normal;line-height:1.4}.section-head{max-width:760px;margin-bottom:34px}.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.15;margin:12px 0}.section-head p{margin:0;color:var(--muted)}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,231,241,.8)}.nav{height:82px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:inline-flex;align-items:center;font-weight:900;min-width:0;flex:0 1 auto}.brand-logo{width:235px;max-width:32vw}.brand-logo img{display:block;width:100%;height:auto;object-fit:contain}.footer .brand-logo{width:255px;max-width:100%}.footer .brand-logo img{width:100%;height:auto}.footer-brand{display:inline-flex;background:#fff;border:1px solid rgba(220,231,241,.18);border-radius:16px;padding:9px 12px;box-shadow:0 10px 24px rgba(0,0,0,.08)}.navlinks{display:flex;gap:24px;align-items:center;font-weight:700;font-size:14px;white-space:nowrap}.navlinks a:hover{color:var(--primary)}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:14px;padding:13px 18px;font-weight:800;cursor:pointer;transition:.2s ease;min-height:48px}.btn.primary,.nav-cta{background:var(--cta);color:white;box-shadow:0 12px 24px rgba(255,122,0,.22)}.btn.secondary{background:#EAF5FF;color:var(--primary)}.btn.outline{background:white;border:1px solid var(--line);color:var(--text)}.btn:hover{transform:translateY(-1px)}.menu-btn{display:none;border:1px solid var(--line);background:white;border-radius:12px;padding:9px;width:44px;height:44px;align-items:center;justify-content:center;flex:0 0 44px}
.hero{padding:62px 0 70px;background:radial-gradient(circle at 10% 5%,#EAF7FF 0,transparent 42%),linear-gradient(180deg,#F9FCFF 0,#fff 100%)}.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:54px;align-items:center}.hero-copy{max-width:640px}.hero h1{font-size:clamp(38px,5.6vw,66px);line-height:1.04;letter-spacing:-.03em;margin:18px 0}.hero h1 em{color:var(--cta);font-style:normal}.hero p{font-size:18px;color:var(--muted);max-width:640px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 22px}.trust-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;max-width:760px}.trust-metric{display:flex;align-items:flex-start;gap:10px;background:white;border:1px solid var(--line);border-radius:16px;padding:13px 12px;box-shadow:0 8px 28px rgba(23,32,51,.05)}.metric-icon{flex:0 0 36px;width:36px;height:36px;border-radius:11px;background:#EAF5FF;color:var(--primary);display:grid;place-items:center}.trust-metric strong{display:block;font-size:14px;line-height:1.25}.trust-metric span{display:block;color:var(--muted);font-size:12px;line-height:1.35;margin-top:3px}.hero-media{position:relative}.hero-media img{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;object-position:center top;border-radius:28px;box-shadow:var(--shadow)}.hero-overlay-badge{position:absolute;left:18px;top:18px;display:flex;flex-direction:column;gap:4px;max-width:220px;background:rgba(234,245,255,.96);border:1px solid rgba(38,169,224,.28);box-shadow:var(--shadow);border-radius:16px;padding:14px 15px;color:var(--primary)}.hero-overlay-badge strong{font-size:14px;line-height:1.2;color:var(--text)}.hero-overlay-badge span{font-size:12px;line-height:1.45;color:var(--primary)}
.grid{display:grid;gap:20px}.grid.cols-2{grid-template-columns:repeat(2,1fr)}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-4{grid-template-columns:repeat(4,1fr)}.card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 8px 28px rgba(23,32,51,.04)}.card h3{margin:10px 0 8px;font-size:20px}.card p{margin:0;color:var(--muted)}.icon{width:46px;height:46px;border-radius:14px;background:#EAF5FF;display:grid;place-items:center;color:var(--primary);font-size:24px;font-weight:900}.service-card{display:flex;flex-direction:column;min-height:100%}.service-card .btn{margin-top:auto;align-self:flex-start}.split{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}.split.reverse{grid-template-columns:.9fr 1.1fr}.media-card img{width:100%;height:100%;min-height:390px;object-fit:cover;border-radius:24px}.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 20px}.check{display:flex;gap:10px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 14px}.check:before{content:"✓";font-weight:900;color:var(--success)}
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:step}.timeline.six{grid-template-columns:repeat(6,1fr)}.step{position:relative;padding:22px 18px;border-radius:18px;background:white;border:1px solid var(--line);min-height:190px}.step .n{font-size:12px;color:var(--primary);font-weight:900;letter-spacing:.08em}.step h3{margin:8px 0;font-size:18px}.step p{font-size:14px;color:var(--muted);margin:0}.flow{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.flow span{padding:10px 13px;border-radius:999px;background:#EAF5FF;color:var(--primary);font-weight:800}.flow i{font-style:normal;color:#98A2B3}.tags{display:flex;flex-wrap:wrap;gap:10px}.tag{background:white;border:1px solid var(--line);padding:10px 13px;border-radius:999px;font-weight:700}.cta-band{background:linear-gradient(135deg,#0C4E88,#1167B1 55%,#1586C5);color:white;border-radius:30px;padding:40px;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta-band p{color:#D9EDFF}.cta-band .btn.outline{border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.08);color:white}.form{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label{font-weight:800;font-size:14px}.field input,.field select,.field textarea{border:1px solid #CFDAE5;border-radius:12px;padding:13px 14px;min-height:48px;background:white}.field textarea{min-height:110px;resize:vertical}.field small{color:var(--muted)}.success{display:none;padding:16px;border-radius:14px;background:#EAF8F1;color:#137B4A;font-weight:700}.faq{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;background:none;border:0;display:flex;justify-content:space-between;gap:20px;text-align:left;padding:20px 0;font-weight:800;font-size:17px;cursor:pointer}.faq-a{display:none;padding:0 0 20px;color:var(--muted)}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
.bento{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-auto-rows:250px;gap:16px}.bento a{overflow:hidden;border-radius:22px;position:relative}.bento img{width:100%;height:100%;object-fit:cover;transition:.25s}.bento a:hover img{transform:scale(1.02)}.bento .hero-img{grid-row:span 2}.bento .wide{grid-column:span 2}.image-label{position:absolute;left:12px;bottom:12px;background:rgba(23,32,51,.75);color:white;padding:8px 10px;border-radius:999px;font-size:12px;font-weight:800;backdrop-filter:blur(8px)}
.quick-float{position:fixed;right:18px;bottom:18px;z-index:45;display:flex;flex-direction:column;gap:10px}.quick-float a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:white;font-weight:900;box-shadow:var(--shadow)}.quick-float .zalo{background:#0A7CFF}.quick-float .phone{background:var(--success)}.mobile-bottom{display:none}.footer{background:#0E1726;color:white;padding:64px 0 90px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}.footer h4{margin-top:0}.footer a,.footer p{color:#B9C5D6;font-size:14px}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:20px;color:#8EA0B8;font-size:13px}
.lightbox{display:none;position:fixed;inset:0;background:rgba(8,16,28,.94);z-index:100;align-items:center;justify-content:center;padding:24px}.lightbox.open{display:flex}.lightbox img{max-height:86vh;max-width:min(92vw,1200px);border-radius:16px}.lightbox button{position:absolute;border:0;background:rgba(255,255,255,.12);color:white;width:46px;height:46px;border-radius:50%;font-size:24px;cursor:pointer}.lb-close{right:22px;top:22px}.lb-prev{left:22px}.lb-next{right:22px}.page-hero{padding:58px 0;background:linear-gradient(180deg,#F6FBFF,#fff)}.page-hero h1{font-size:clamp(38px,5vw,60px);line-height:1.08;margin:15px 0}.muted{color:var(--muted)}.note{border-left:4px solid var(--primary);background:#EFF8FF;padding:16px 18px;border-radius:0 14px 14px 0}.area-card{background:linear-gradient(180deg,#fff,#F9FCFF)}.visual-placeholder{min-height:430px;border-radius:28px;background:linear-gradient(145deg,#0D5A9C,#1E9CD6);position:relative;overflow:hidden;display:flex;align-items:flex-end;padding:28px;color:white;box-shadow:var(--shadow)}.visual-placeholder:before,.visual-placeholder:after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.08)}.visual-placeholder:before{width:280px;height:280px;right:-50px;top:-30px}.visual-placeholder:after{width:180px;height:180px;left:-30px;bottom:60px}.visual-placeholder .illus{position:relative;z-index:1;font-size:24px;font-weight:900;max-width:360px}.visual-placeholder .tools{font-size:80px;line-height:1;margin-bottom:16px}.contact-card{padding:28px;border-radius:24px;background:#F6F9FC;border:1px solid var(--line)}.service-hero-photo img{width:100%;height:100%;min-height:430px;object-fit:cover;object-position:center;border-radius:28px;box-shadow:var(--shadow)}
@media(max-width:1024px){.nav{height:78px;gap:18px}.navlinks{display:none}.menu-btn{display:inline-flex}.nav.open .navlinks{display:flex;position:absolute;left:20px;right:20px;top:72px;flex-direction:column;align-items:stretch;background:white;border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow)}.nav-cta{display:none}.brand-logo{width:220px;max-width:calc(100% - 62px)}.hero-grid,.split,.split.reverse{grid-template-columns:1fr}.hero-copy{max-width:none}.hero-media{max-width:680px}.trust-metrics{grid-template-columns:repeat(2,minmax(0,1fr));max-width:680px}.grid.cols-4{grid-template-columns:repeat(2,1fr)}.timeline,.timeline.six{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.bento{grid-template-columns:1fr 1fr;grid-auto-rows:220px}.bento .hero-img{grid-row:span 2}.bento .wide{grid-column:span 1}}
@media(max-width:767px){.container{width:min(100% - 28px,var(--max))}.section{padding:62px 0}.nav{height:70px;gap:12px}.brand-logo{width:190px;max-width:calc(100% - 58px)}.brand-logo img{width:100%;height:auto}.footer-brand{padding:8px 10px;border-radius:14px}.hero{padding:36px 0 56px}.hero h1,.page-hero h1{font-size:38px}.hero p{font-size:16px}.hero-actions{display:grid}.hero-actions .btn{width:100%}.hero-media{margin-top:18px}.hero-media img{aspect-ratio:4/5}.hero-overlay-badge{left:12px;top:12px;max-width:200px;padding:12px 13px}.trust-metrics{grid-template-columns:1fr 1fr}.trust-metric{padding:12px 13px}.metric-icon{width:36px;height:36px;flex-basis:36px}.grid.cols-2,.grid.cols-3,.grid.cols-4,.form,.timeline,.timeline.six,.footer-grid{grid-template-columns:1fr}.check-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.split .media-card{order:2}.media-card img{min-height:280px}.service-hero-photo img{min-height:280px}.cta-band{flex-direction:column;align-items:flex-start;padding:28px}.quick-float{display:none}.mobile-bottom{display:grid;position:fixed;z-index:60;bottom:0;left:0;right:0;grid-template-columns:repeat(3,1fr);background:white;border-top:1px solid var(--line);padding:8px 10px calc(8px + env(safe-area-inset-bottom));box-shadow:0 -10px 30px rgba(23,32,51,.08)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:46px;border-right:1px solid var(--line);font-size:13px;font-weight:800}.mobile-bottom a:last-child{border-right:0;color:var(--cta)}.footer{padding-bottom:120px}.bento{grid-template-columns:1fr 1fr;grid-auto-rows:170px;gap:10px}.bento .hero-img{grid-column:1/-1;grid-row:span 2}.bento .wide{grid-column:span 2}.flow{gap:8px}.flow i{display:none}.flow span{font-size:13px}.section-head h2{font-size:32px}}


@media(max-width:480px){.container{width:min(100% - 24px,var(--max))}.nav{height:68px}.brand-logo{width:178px;max-width:calc(100% - 56px)}.menu-btn{width:42px;height:42px;flex-basis:42px;padding:8px}.nav.open .navlinks{left:12px;right:12px;top:64px}.footer .brand-logo{width:220px}}
@media(max-width:360px){.brand-logo{width:160px}.nav{gap:8px}}
@media(max-width:420px){.hero h1{font-size:34px}.trust-metrics{grid-template-columns:1fr}.trust-metric{align-items:center}}

/* About page */
.navlinks a[aria-current="page"]{color:var(--primary)}
.footer-about-link a{color:#fff;font-weight:800}

.contact-page-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:32px;align-items:start}
.contact-page-grid>.contact-card,.contact-page-form{width:100%;min-width:0}
.contact-page-form{grid-template-columns:repeat(2,minmax(0,1fr))}
.contact-page-form input,.contact-page-form select,.contact-page-form textarea{width:100%;min-width:0}
.about-hero{padding:62px 0 70px;background:radial-gradient(circle at 14% 12%,#EAF7FF 0,transparent 38%),linear-gradient(180deg,#F9FCFF 0,#fff 100%)}
.about-hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:54px;align-items:center}
.about-hero-copy{max-width:670px}
.about-hero h1{font-size:clamp(40px,5.4vw,64px);line-height:1.05;letter-spacing:-.035em;margin:18px 0}
.about-hero h1 em{font-style:normal;color:var(--cta)}
.about-hero-copy>p{font-size:18px;color:var(--muted);max-width:650px}
.about-highlights{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.about-highlights span{display:inline-flex;align-items:center;gap:8px;background:#EAF5FF;color:var(--text);border:1px solid #D7EAF9;border-radius:999px;padding:9px 12px;font-size:13px;font-weight:700}
.about-highlights svg{width:17px;height:17px;color:var(--primary)}
.founder-card{position:relative;margin:0;width:100%;border-radius:28px;overflow:hidden;background:#fff;box-shadow:var(--shadow);border:1px solid var(--line)}
.founder-card picture,.founder-card img{display:block;width:100%}
.founder-card img{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;object-position:center top}
.founder-card figcaption{position:absolute;left:18px;right:18px;bottom:18px;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border:1px solid rgba(220,231,241,.95);border-radius:18px;padding:14px 16px;box-shadow:0 14px 35px rgba(23,32,51,.14);display:grid;gap:2px}
.founder-card figcaption span{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--primary);font-weight:900}
.founder-card figcaption strong{font-size:20px;line-height:1.25;color:var(--text)}
.founder-card figcaption small{font-size:13px;color:var(--muted);font-weight:700}
.about-story{align-items:start}
.about-lead{font-size:18px;line-height:1.8;margin:0 0 16px;color:var(--text)}
.founder-note{background:linear-gradient(180deg,#fff,#F8FBFE);border:1px solid var(--line);border-radius:26px;padding:30px;box-shadow:0 12px 38px rgba(23,32,51,.06)}
.founder-note h3{font-size:26px;margin:14px 0 4px}
.founder-note p{margin:4px 0}
.founder-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.founder-tags span{padding:8px 11px;border-radius:999px;background:#EAF5FF;color:var(--primary);font-size:12px;font-weight:800}
.value-card{min-height:100%}
.value-card p{font-size:14px;line-height:1.7}
.about-activity-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.activity-card{margin:0;position:relative;overflow:hidden;border-radius:26px;background:#0E1726;min-height:570px;box-shadow:var(--shadow)}
.activity-card picture,.activity-card img{width:100%;height:100%;display:block}
.activity-card img{position:absolute;inset:0;object-fit:cover;object-position:center}
.activity-card:after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(180deg,transparent,rgba(14,23,38,.78))}
.activity-card figcaption{position:absolute;z-index:2;left:22px;right:22px;bottom:20px;color:white;display:grid;gap:5px}
.activity-card figcaption span{font-size:12px;text-transform:uppercase;letter-spacing:.08em;font-weight:900;color:#D9EDFF}
.activity-card figcaption strong{font-size:20px;line-height:1.35}
.work-principles{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.principle{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;display:flex;gap:14px;align-items:flex-start;min-height:180px}
.principle>span{flex:0 0 42px;width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#EAF5FF;color:var(--primary);font-size:13px;font-weight:900}
.principle h3{font-size:18px;line-height:1.35;margin:2px 0 8px}
.principle p{font-size:14px;color:var(--muted);margin:0}
.cta-kicker{display:inline-block;font-size:12px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#D9EDFF;margin-bottom:6px}

@media(max-width:1024px){
  .about-hero-grid{grid-template-columns:1fr;gap:36px}
  .founder-card{max-width:680px}
  .contact-page-grid{grid-template-columns:1fr;gap:24px}
  .work-principles{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767px){
  .about-hero{padding:36px 0 56px}
  .about-hero h1{font-size:38px}
  .about-hero-copy>p{font-size:16px}
  .about-highlights{display:grid;grid-template-columns:1fr}
  .contact-page-grid{grid-template-columns:1fr;gap:20px}
  .contact-page-grid .contact-card,.contact-page-form{padding:20px}
  .contact-page-form{grid-template-columns:1fr}
  .contact-page-form .field.full{grid-column:auto}
  .contact-page-form .btn[type="submit"]{width:100%}
  .contact-page-grid .hero-actions{display:grid}
  .contact-page-grid .hero-actions .btn{width:100%}
  .founder-card figcaption{left:12px;right:12px;bottom:12px}
  .about-activity-grid{grid-template-columns:1fr;gap:14px}
  .activity-card{min-height:480px}
  .work-principles{grid-template-columns:1fr}
  .principle{min-height:auto}
}

@media(max-width:420px){
  .about-hero h1{font-size:34px}
  .founder-note{padding:22px}
  .activity-card{min-height:430px}
}

/* Zalo brand icon */
.zalo-icon{width:20px;height:20px;object-fit:contain;display:block;flex:0 0 20px}.quick-float .zalo{background:#fff;padding:0;overflow:hidden;border:1px solid #dce7f1}.quick-float .zalo-icon-float{width:100%;height:100%;object-fit:cover;display:block}.mobile-bottom a[data-zalo-link]{gap:6px}.mobile-bottom .zalo-icon{width:18px;height:18px;flex-basis:18px}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Google Sheet form integration */
.hp-field{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;opacity:0!important;pointer-events:none!important}.form-status{margin-top:12px;font-size:14px;font-weight:700;line-height:1.5}.form-status.success-message{color:#137B4A;background:#EAF8F1;padding:12px 14px;border-radius:12px}.form-status.error{color:#B42318;background:#FEF3F2;padding:12px 14px;border-radius:12px}.form button[disabled]{opacity:.7;cursor:not-allowed}