:root{
  --navy:#06243d;
  --navy2:#0b3554;
  --orange:#ff8500;
  --blue:#08a3c7;
  --green:#0aa65b;
  --light:#f4f8fb;
  --text:#13263b;
  --muted:#667085;
  --white:#ffffff;
  --line:#e8eef4;
  --shadow:0 18px 48px rgba(6,36,61,.13);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.55;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1180px,92%);margin:auto}
.topbar{background:var(--navy);color:#fff;font-size:14px}
.topbar .container{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;padding:8px 0}
.topbar a{color:#fff;font-weight:700}
.header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}
.brand{display:flex;align-items:center;gap:14px}
.logo-mark{
  width:64px;height:64px;border-radius:18px;
  background:linear-gradient(135deg,var(--blue),var(--orange));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:22px;box-shadow:var(--shadow)
}
.brand-title{display:block;font-size:24px;font-weight:900;color:var(--navy);line-height:1.1}
.brand-sub{display:block;color:var(--muted);font-size:14px;margin-top:4px}
.nav{display:flex;gap:18px;align-items:center;font-weight:800;color:var(--navy)}
.nav a{padding:10px 2px}
.nav .quote{background:var(--orange);color:#fff;border-radius:999px;padding:12px 18px}
.menu-btn{display:none;border:0;background:var(--navy);color:#fff;border-radius:14px;font-size:28px;padding:8px 14px}
.mobile-nav{display:none}
.hero{
  background:linear-gradient(135deg,#061f36 0%,#0b3554 58%,#066d88 100%);
  color:#fff;overflow:hidden
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:center;padding:76px 0}
.badge{display:inline-block;background:rgba(255,133,0,.18);border:1px solid rgba(255,133,0,.45);color:#ffd3a0;padding:8px 13px;border-radius:999px;font-weight:900;font-size:14px;margin-bottom:18px}
.hero h1{font-size:48px;line-height:1.08;margin:0 0 18px;letter-spacing:-.6px}
.hero p{font-size:18px;color:#dfeaf2;margin:0 0 26px}
.actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:14px 22px;font-weight:900;border:2px solid transparent;cursor:pointer}
.btn-primary{background:var(--orange);color:#fff}
.btn-outline{border-color:rgba(255,255,255,.45);color:#fff}
.lead-box{background:#fff;color:var(--text);border-radius:28px;padding:26px;box-shadow:var(--shadow)}
.lead-box h3{font-size:25px;color:var(--navy);margin:0 0 8px}
.lead-box p{font-size:15px;color:var(--muted);margin:0 0 16px}
.quick-form{display:grid;gap:12px}
input,select,textarea{width:100%;border:1px solid #dce5ee;border-radius:14px;padding:14px 15px;font-size:15px;font-family:Arial}
textarea{min-height:92px;resize:vertical}
.quick-form .btn{width:100%;border:0}
.section{padding:72px 0}
.alt{background:var(--light)}
.section-title{text-align:center;max-width:800px;margin:0 auto 36px}
.section-title .eyebrow{color:var(--orange);font-weight:900;margin:0 0 6px;text-transform:uppercase;font-size:14px}
.section-title h2{font-size:36px;line-height:1.16;margin:0 0 10px;color:var(--navy)}
.section-title p{margin:0;color:var(--muted);font-size:17px}
.brand-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.brand-card{background:#fff;border:1px solid #edf2f7;border-radius:24px;padding:24px;box-shadow:var(--shadow);border-top:7px solid var(--orange)}
.brand-card:nth-child(2){border-top-color:var(--blue)}
.brand-card:nth-child(3){border-top-color:#7c3aed}
.brand-card:nth-child(4){border-top-color:var(--green)}
.brand-chip{display:inline-block;background:#eef9fc;color:#087d98;border-radius:999px;padding:7px 11px;font-size:13px;font-weight:900;margin-bottom:12px}
.brand-card h3{font-size:22px;color:var(--navy);margin:0 0 10px;line-height:1.25}
.brand-card p{color:var(--muted);margin:0 0 14px}
.brand-card ul{margin:0;padding-left:18px;color:#334155}
.brand-card li{margin:7px 0}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid #edf2f7;border-radius:var(--radius);padding:25px;box-shadow:var(--shadow)}
.icon{width:48px;height:48px;background:linear-gradient(135deg,var(--orange),#ffb15a);color:#fff;border-radius:16px;display:flex;align-items:center;justify-content:center;font-weight:900;margin-bottom:15px}
.card h3{margin:0 0 10px;color:var(--navy);font-size:22px}
.card p{margin:0;color:var(--muted)}
.epc-card{background:linear-gradient(135deg,#06243d,#0b3554);color:#fff;border-radius:28px;padding:30px;display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center;box-shadow:var(--shadow)}
.epc-card h3{font-size:30px;margin:10px 0;color:#fff}
.epc-card p{color:#dbe8f1;margin:0}
.epc-badge{display:inline-block;background:var(--orange);border-radius:999px;padding:8px 12px;font-weight:900}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.stats div{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:16px;text-align:center}
.stats strong{display:block;font-size:24px}
.stats span{font-size:13px;color:#dbe8f1}
.gallery{display:grid;grid-template-columns:2fr 1fr 1fr;gap:14px;margin-top:24px}
.gallery-item{position:relative;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);background:#dbe8f1;min-height:220px}
.gallery-item:first-child{grid-row:span 2;min-height:460px}
.gallery-item img{width:100%;height:100%;object-fit:cover}
.gallery-caption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(0,0,0,.72));color:#fff;padding:42px 16px 14px;font-weight:800}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px}
.info{background:var(--navy);color:#fff;border-radius:28px;padding:30px}
.info h2{margin-top:0;font-size:30px}
.info p{color:#d9e6ef}
.form-card{background:#fff;border-radius:28px;padding:30px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid textarea{grid-column:1/-1}
.submit{width:100%;border:0;margin-top:14px}
.maps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.map-card{background:#fff;border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
.map-card h3{font-size:17px;color:var(--navy);margin:0;padding:16px}
.map-card iframe{width:100%;height:230px;border:0}
.footer{background:#041d31;color:#fff;padding:38px 0}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:22px}
.footer p,.footer a{color:#cbd8e4}
.float{position:fixed;right:20px;bottom:22px;z-index:60;display:flex;flex-direction:column;gap:12px}
.float a{width:66px;height:66px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;box-shadow:0 12px 30px rgba(0,0,0,.25)}
.float .call{background:var(--orange)}
.float .zalo{background:var(--green)}
@media(max-width:1000px){.brand-grid{grid-template-columns:repeat(2,1fr)}.gallery{grid-template-columns:1fr 1fr}.gallery-item:first-child{grid-column:span 2;grid-row:auto}}
@media(max-width:900px){
  .nav{display:none}.menu-btn{display:block}
  .mobile-nav.open{display:flex}
  .mobile-nav{position:fixed;top:92px;left:4%;right:4%;background:#fff;border-radius:22px;box-shadow:var(--shadow);z-index:80;flex-direction:column;padding:14px}
  .mobile-nav a{padding:14px 10px;border-bottom:1px solid #edf2f7;color:var(--navy);font-weight:900}
  .hero-grid,.epc-card,.contact-grid,.footer-grid{grid-template-columns:1fr}
  .cards-3,.maps{grid-template-columns:1fr}
  .hero h1{font-size:38px}
}
@media(max-width:560px){
  .topbar .container{justify-content:flex-start;font-size:12px;gap:10px}
  .header-row{padding:12px 0}.logo-mark{width:56px;height:56px;font-size:19px}
  .brand-title{font-size:20px}.brand-sub{font-size:12px}
  .hero-grid{padding:48px 0}.hero h1{font-size:31px}.hero p{font-size:16px}
  .section{padding:54px 0}.section-title h2{font-size:28px}
  .brand-grid,.form-grid,.stats,.gallery{grid-template-columns:1fr}
  .gallery-item:first-child{grid-column:auto;min-height:260px}.gallery-item{min-height:230px}
  .float a{width:58px;height:58px;font-size:14px}
}