:root{
  /* Formal Government-style (Light + Navy) */
  --bg:#F4F7FB;
  --card:#FFFFFF;
  --text:#0B1B2B;
  --muted:#4A647A;
  --line:rgba(11,27,43,.12);

  --navy:#0B2C5F;     /* chủ đạo */
  --navy2:#071E40;    /* đậm hơn */
  --accent:#1E63B5;   /* xanh nhấn */
  --accent2:#0F4C9A;

  --shadow: 0 14px 40px rgba(11, 27, 43, .10);
  --shadow2: 0 8px 22px rgba(11, 27, 43, .10);

  --radius: 16px;
  --max: 1120px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 15% 10%, rgba(11,44,95,.08), transparent 60%),
    radial-gradient(900px 520px at 85% 10%, rgba(30,99,181,.08), transparent 60%),
    var(--bg);
  line-height:1.55;
}

a{color:inherit;text-decoration:none}
.container{max-width:var(--max); margin:0 auto; padding:0 18px;}

/* Header */
header{
  position:sticky; top:0; z-index:50;
  background: rgba(244,247,251,.82);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  height:78px;
}
.brand{
  display:flex; gap:12px; align-items:center;
  font-weight:800; letter-spacing:.2px;
  min-width: 280px;
}
.brand .logo{
  width:36px;height:36px;border-radius:10px;
  background: linear-gradient(135deg, var(--navy), var(--accent));
  box-shadow: 0 10px 22px rgba(11,44,95,.22);
}
.brand .brandText{
  font-size:20px;
  line-height:1.2;
  color:rgba(11,27,43,.76);
  text-transform: uppercase;
  letter-spacing:.6px;
}

.navlinks{display:flex; gap:8px; align-items:center;}
.navlinks a{
  color:rgba(11,27,43,.76);
  padding:10px 12px;
  border-radius:12px;
  transition: all .18s ease;
  font-weight:600;
}
.navlinks a:hover{color:var(--navy); background:rgba(11,44,95,.08)}
.navlinks a.active{color:var(--navy); background:rgba(11,44,95,.12)}
.menuBtn{
  display:none;
  border:1px solid var(--line);
  background:rgba(255,255,255,.85);
  color:var(--text);
  padding:10px 12px;
  border-radius:12px;
  font-weight:700;
}

/* Mobile menu */
.mobilePanel{
  display:none;
  border-top:1px solid var(--line);
  padding:10px 0 16px;
  background: rgba(244,247,251,.92);
}
.mobilePanel a{
  display:block;
  padding:12px 14px;
  border-radius:12px;
  color:rgba(11,27,43,.78);
  font-weight:600;
}
.mobilePanel a:hover{color:var(--navy); background:rgba(11,44,95,.08)}

/* Hero */
.hero{padding:56px 0 26px;}
.heroGrid{
  display:grid;
  grid-template-columns: 1.35fr .65fr;
  gap:18px;
  align-items:stretch;
}
.kicker{
  color:rgba(11,27,43,.74);
  display:inline-flex;
  gap:10px;
  align-items:center;
  border:1px solid var(--line);
  background:rgba(255,255,255,.78);
  padding:8px 12px;
  border-radius:999px;
  font-weight:600;
}
.kicker .dot{
  width:10px;height:10px;border-radius:999px;
  background: linear-gradient(135deg, var(--navy), var(--accent));
  box-shadow: 0 6px 14px rgba(11,44,95,.18);
}
.h1{
  font-size:40px;
  line-height:1.12;
  margin:14px 0 12px;
  letter-spacing:-.2px;
  color: var(--navy2);
}
.lead{
  color:rgba(11,27,43,.72);
  font-size:16px;
  max-width:70ch;
}
.ctaRow{display:flex; gap:12px; margin-top:18px; flex-wrap:wrap;}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.92);
  color:var(--text);
  transition: all .18s ease;
  box-shadow: var(--shadow2);
  font-weight:700;
}
.btn.primary{
  border:1px solid rgba(11,44,95,.25);
  background: linear-gradient(135deg, var(--navy) 0%, var(--accent2) 100%);
  color:#FFFFFF;
  box-shadow: 0 14px 28px rgba(11,44,95,.20);
}
.btn:hover{transform: translateY(-1px); box-shadow: 0 16px 32px rgba(11,27,43,.14)}
.btn.primary:hover{box-shadow: 0 18px 38px rgba(11,44,95,.24)}

.card{
  border:1px solid var(--line);
  background: rgba(255,255,255,.92);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.heroCard{
  padding:16px;
  display:flex;
  flex-direction:column;
  gap:10px;
  justify-content:space-between;
}

.badge{
  display:inline-flex; padding:7px 10px;
  border-radius:999px;
  border:1px solid rgba(11,44,95,.18);
  color:rgba(11,44,95,.92);
  font-size:12px;
  background: rgba(11,44,95,.06);
  font-weight:700;
}

.statRow{display:grid; grid-template-columns: repeat(3, 1fr); gap:10px;}
.stat{
  padding:12px;
  border-radius:14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.98);
}
.stat .num{font-size:20px; font-weight:900; color: var(--navy2);}
.stat .lbl{color:rgba(11,27,43,.62); font-size:12px; font-weight:600;}

/* Sections */
.section{padding:26px 0;}
.sectionHead{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap:16px; margin-bottom:14px;
}
.sectionHead h2{margin:0; font-size:20px; color: var(--navy2);}
.sectionHead p{margin:0; color:rgba(11,27,43,.70); max-width:72ch; font-size:14px;}

.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:14px;
}
.col-4{grid-column: span 4;}
.col-6{grid-column: span 6;}
.col-12{grid-column: span 12;}

.itemCard{
  padding:16px;
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: rgba(255,255,255,.96);
  box-shadow: var(--shadow2);
  transition: all .18s ease;
}
.itemCard:hover{
  transform: translateY(-2px);
  border-color: rgba(11,44,95,.22);
}

.itemTop{
  display:flex; gap:12px; align-items:center; margin-bottom:10px;
}
.icon{
  width:40px;height:40px;border-radius:12px;
  background: rgba(11,44,95,.06);
  border:1px solid rgba(11,44,95,.18);
  display:flex; align-items:center; justify-content:center;
}
.icon span{
  font-weight:900;
  color: var(--navy);
}
.itemCard h3{margin:0 0 6px; font-size:16px; color: var(--navy2);}
.itemCard p{margin:0; color:rgba(11,27,43,.72); font-size:13px;}

.tags{margin-top:10px; display:flex; gap:8px; flex-wrap:wrap;}
.tag{
  font-size:12px;
  color:rgba(11,44,95,.90);
  border:1px solid rgba(11,44,95,.20);
  background: rgba(11,44,95,.06);
  padding:6px 10px;
  border-radius:999px;
  font-weight:700;
}

/* Page title */
.pageTitle{padding:30px 0 10px;}
.pageTitle h1{margin:0 0 6px; font-size:28px; color: var(--navy2);}
.pageTitle p{margin:0; color:rgba(11,27,43,.70); max-width:78ch;}

/* Footer */
footer{
  margin-top:26px;
  border-top:1px solid var(--line);
  padding:18px 0 24px;
  color:rgba(11,27,43,.70);
  font-size:13px;
  background: rgba(255,255,255,.55);
}
.footerGrid{display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap;}
.smallLinks{display:flex; gap:12px; flex-wrap:wrap;}
.smallLinks a{
  color: rgba(11,44,95,.88);
  font-weight:700;
}
.smallLinks a:hover{color:var(--navy2)}

/* Responsive */
@media (max-width: 980px){
  .heroGrid{grid-template-columns:1fr;}
  .h1{font-size:36px;}
  .col-4{grid-column: span 6;}
  .col-6{grid-column: span 12;}
  .brand .brandText{font-size:13px;}
}
@media (max-width: 720px){
  .navlinks{display:none;}
  .menuBtn{display:inline-flex;}
  .mobilePanel.show{display:block;}
  .col-4{grid-column: span 12;}
  .h1{font-size:32px;}
  .brand{min-width:unset;}
  .brand .brandText{font-size:12px;}
}
/* ===== So le tiêu đề (Desktop) ===== */
.hero-title .t1,
.hero-title .t2,
.hero-title .t3{
  display:inline-block;
}

.hero-title .t2{ margin-left: 24px; }
.hero-title .t3{ margin-left: 48px; }


/* ===== Responsive Tablet ===== */
@media (max-width: 1024px){
.hero-title .t2{ margin-left: 24px; }
.hero-title .t3{ margin-left: 48px; }
}


/* ===== Responsive Mobile ===== */
@media (max-width: 640px){
  .hero-title .t2,
  .hero-title .t3{
    margin-left: 0;   /* bỏ so le trên mobile */
  }
}
.logo-img{
  height:48px;
  width:auto;
}

/* ===== Floating Contact ===== */

.floating-contact{
  position: fixed;
  right: 20px;
  bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.float-btn{
  width: 55px;
  height: 55px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(0,0,0,.25);
  animation: gentleShake 3s infinite;
}

/* Zalo */
.zalo-btn{
  background: #0068FF;
}

/* Phone */
.phone-btn{
  background: #0B2C5F;
}

/* Hover */
.float-btn:hover{
  transform: scale(1.08);
  animation: none;
}

/* Hiệu ứng rung nhẹ */
@keyframes gentleShake {
  0% { transform: translateY(0); }
  5% { transform: translateY(-3px); }
  10% { transform: translateY(0); }
  15% { transform: translateY(-3px); }
  20% { transform: translateY(0); }
  100% { transform: translateY(0); }
}