*{box-sizing:border-box;margin:0;padding:0}body{font-family:Arial,Helvetica,sans-serif;color:#0f172a;line-height:1.6;background:#fff}.container{width:92%;max-width:1180px;margin:auto}.header{background:#06162d;position:sticky;top:0;z-index:100;box-shadow:0 4px 18px rgba(0,0,0,.16)}.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between}.brand img{height:56px;width:auto;object-fit:contain;border-radius:8px}nav a{color:#fff;text-decoration:none;margin-left:24px;font-weight:700;font-size:14px;text-transform:uppercase}nav a:hover{color:#1e88ff}.hero{min-height:680px;display:flex;align-items:center;color:#fff;background:radial-gradient(circle at 75% 35%,rgba(30,136,255,.42),transparent 28%),linear-gradient(120deg,rgba(5,12,28,.96),rgba(5,23,55,.88)),url('https://images.unsplash.com/photo-1519608487953-e999c86e7455?q=80&w=1600&auto=format&fit=crop');background-size:cover;background-position:center}.hero-content{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}.eyebrow,.section-label{color:#1e88ff;font-weight:800;text-transform:uppercase;letter-spacing:.7px;margin-bottom:10px}.hero h1{font-size:54px;line-height:1.12;margin-bottom:22px;text-transform:uppercase}.hero-desc{font-size:18px;max-width:660px;margin-bottom:32px}.actions{display:flex;gap:16px;flex-wrap:wrap}.btn{display:inline-block;padding:14px 26px;border-radius:6px;text-decoration:none;font-weight:800;text-transform:uppercase}.primary{background:#087bff;color:#fff}.outline{border:1px solid rgba(255,255,255,.7);color:#fff}.hero-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:22px;padding:28px;backdrop-filter:blur(6px);box-shadow:0 18px 60px rgba(0,0,0,.28)}.hero-card img{width:100%;border-radius:16px}.page-hero{background:linear-gradient(120deg,#06162d,#0b3a75);color:white;padding:90px 0}.page-hero h1{font-size:46px;text-transform:uppercase;margin-bottom:12px}.page-hero p{font-size:18px;max-width:760px}.section{padding:82px 0}.center{text-align:center}.section h2{font-size:34px;margin-bottom:22px}.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center}.split p,.content p{margin-bottom:14px;font-size:17px}.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.stats div{border:1px solid #cfe2ff;border-radius:14px;padding:28px;text-align:center;background:#fff}.stats strong{display:block;color:#087bff;font-size:42px}.bg-light{background:#f7faff}.services{margin-top:30px;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.service-card{background:#fff;border:1px solid #dbeafe;border-radius:14px;padding:28px;text-align:center;box-shadow:0 10px 24px rgba(15,23,42,.05);transition:all .2s ease}.service-card:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(15,23,42,.09)}.icon{font-size:38px;margin-bottom:16px}.service-card h3{text-transform:uppercase;font-size:17px;margin-bottom:10px}.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}.project{min-height:190px;border-radius:14px;padding:20px;display:flex;align-items:end;justify-content:center;text-align:center;color:#fff;font-weight:800;background:linear-gradient(135deg,#06162d,#087bff)}.note{margin-top:22px;color:#64748b}.values{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:20px}.values div{background:#f7faff;border:1px solid #dbeafe;border-radius:12px;padding:22px;text-align:center;font-weight:800;color:#075fc4}.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px}.contact-card{background:#f7faff;border:1px solid #dbeafe;border-radius:14px;padding:28px}.contact-card a{color:#075fc4}.company-footer{background:#06162d;color:white;padding:70px 0}.footer-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}.footer-logo{width:260px;max-width:100%;border-radius:12px;margin-bottom:20px}.company-footer h2{color:#60a5fa;text-align:left}table{width:100%;border-collapse:collapse}td{padding:11px 8px;border-bottom:1px solid rgba(255,255,255,.16);vertical-align:top}td:first-child{width:190px;color:#bfdbfe;font-weight:700}.copyright{background:#030712;color:#fff;text-align:center;padding:18px}.floating-contact{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:10px;z-index:999}.float-btn{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;text-decoration:none;color:white;font-weight:800;box-shadow:0 8px 20px rgba(0,0,0,.25)}.float-btn.zalo{background:#0068ff;font-size:14px}.float-btn.phone{background:#16a34a;font-size:24px}@media(max-width:900px){.nav{flex-direction:column;padding:14px 0;gap:10px}nav{text-align:center}nav a{display:inline-block;margin:5px 8px;font-size:13px}.hero{min-height:auto;padding:70px 0}.hero-content,.split,.footer-grid,.services,.projects,.contact-layout,.values{grid-template-columns:1fr}.hero h1{font-size:36px}.page-hero h1{font-size:34px}.stats{grid-template-columns:1fr}td:first-child{width:135px}.floating-contact{right:12px;bottom:12px}.float-btn{width:50px;height:50px}}.map-box {
  margin-top: 30px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(15,23,42,0.08);
}

.contact-form {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 13px;
  border: 1px solid #dbeafe;
  border-radius: 8px;
  font-size: 16px;
}

.contact-form button,
.facebook-btn {
  display: inline-block;
  background: #087bff;
  color: white;
  padding: 13px 22px;
  border-radius: 8px;
  border: none;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
}
.facebook-btn{
    display:inline-block;
    padding:12px 24px;
    background:#1877f2;
    color:#fff;
    text-decoration:none;
    border-radius:8px;
    font-weight:600;
    transition:0.3s;
}

.facebook-btn:hover{
    opacity:0.9;
}