:root{
  --blue:#0b3c6f;
  --blue2:#123f73;
  --blueDark:#082b50;
  --yellow:#f6b100;
  --light:#f4f7fb;
  --text:#222;
  --muted:#666;
  --white:#fff;
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:Segoe UI,Roboto,Arial,sans-serif;
  background:#fff;
  color:var(--text);
  line-height:1.6;
}
/* ---------- TOP BAR ---------- */
.topbar{
  background:var(--blueDark);
  color:#fff;
  font-size:13px;
  padding:6px 14px;
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.topbar-link{color:#fff;text-decoration:none;opacity:.95}
.topbar-link:hover{opacity:1;text-decoration:underline}

/* ---------- HEADER ---------- */
.header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:12px 16px;
  border-bottom:1px solid #ddd;
}
.logo{
  display:flex;
  gap:12px;
  align-items:center;
}
.logo img{width:48px}
.logo h1{font-size:18px;color:var(--blue);letter-spacing:.2px}
.logo small{font-size:12px;color:#555}
.menu-btn{
  display:none;
  font-size:22px;
  cursor:pointer;
  background:transparent;
  border:0;
}

/* ---------- NAV ---------- */
.nav{
  background:#fff;
  border-bottom:3px solid var(--blue);
}
.nav ul{
  list-style:none;
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
}
.nav li{position:relative}
.nav a{
  padding:12px 16px;
  display:block;
  font-size:14px;
  color:#333;
  text-decoration:none;
}
.nav li:hover>a{
  background:var(--light);
  color:var(--blue);
}
.submenu{
  display:none;
  position:absolute;
  top:100%;
  left:0;
  min-width:240px;
  background:#fff;
  border:1px solid #ddd;
  z-index:50;
}
.submenu a{font-size:13px}
.nav li:hover .submenu{display:block}

/* ---------- HERO (PREMIUM) ---------- */
.hero{
  background:
  linear-gradient(rgba(8,43,80,.85),rgba(8,43,80,.85)),
  url("https://images.unsplash.com/photo-1524995997946-a1c2e315a42f?auto=format&fit=crop&w=1600&q=60") center/cover;
  padding:60px 20px;
  color:#fff;
}
.hero-inner{
  max-width:1100px;
  margin:auto;
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:30px;
}
.hero h2{
  font-size:32px;
  margin-bottom:10px;
}
.hero p{
  font-size:16px;
  color:#e6e6e6;
}

/* SEARCH CARD */
.search-card{
  background:rgba(255,255,255,.95);
  border-radius:8px;
  padding:20px;
  box-shadow:0 10px 20px rgba(0,0,0,.08);
}
.search-card h3{
  color:var(--blue);
  margin-bottom:10px;
}
.search-card form{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:10px;
}
.search-card select,
.search-card button{
  padding:10px;
  font-size:14px;
}
.search-card select{border:1px solid #d9dfe8;border-radius:6px;background:#fff}
.search-card button{
  background:var(--yellow);
  border:none;
  border-radius:6px;
  font-weight:600;
  cursor:pointer;
}

/* ---------- STATS ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  background:var(--blue2);
  color:#fff;
}
.stats div{text-align:center;padding:14px}
.stats b{color:var(--yellow);font-size:22px;display:block}
.stats span{font-size:13px;opacity:.95}

/* ---------- SECTIONS ---------- */
.section{
  padding:50px 20px;
}
.container{
  max-width:1100px;
  margin:auto;
}
.section h3{
  font-size:24px;
  margin-bottom:10px;
  color:var(--blue);
}
.section p{color:var(--muted)}

/* FEATURE GRID */
.features{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:20px;
  margin-top:20px;
}
.feature{
  border:1px solid #ddd;
  padding:20px;
  border-radius:6px;
  background:#fff;
}
.feature h4{
  margin-bottom:6px;
  color:var(--blue);
}

/* ---------- FOOTER ---------- */
.footer{
  background:var(--blueDark);
  color:#d9d9d9;
}
.footer-top{
  padding:40px 20px;
}
.footer-grid{
  max-width:1100px;
  margin:auto;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:25px;
}
.footer h4{
  color:#fff;
  margin-bottom:10px;
}
.footer a{
  display:block;
  color:#d9d9d9;
  font-size:13px;
  margin-bottom:6px;
  text-decoration:none;
}
.footer a:hover{color:var(--yellow)}
.footer-bottom{
  background:#06203a;
  text-align:center;
  padding:12px;
  font-size:12px;
}

/* ---------- SIDEBAR ---------- */
.sidebar{
  position:fixed;
  top:0;left:-260px;
  width:260px;height:100%;
  background:#fff;
  transition:.3s;
  z-index:999;
  box-shadow:10px 0 20px rgba(0,0,0,.08);
}
.sidebar.active{left:0}
.sidebar h3{
  background:var(--blue);
  color:#fff;
  padding:15px;
}
.sidebar a{
  display:block;
  padding:12px 15px;
  border-bottom:1px solid #eee;
  text-decoration:none;
  color:#222;
}
.sidebar a:hover{background:var(--light);color:var(--blue)}
.overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.4);
  display:none;
  z-index:998;
}
.overlay.active{display:block}

/* ---------- RESPONSIVE ---------- */
@media(max-width:900px){
  .nav{display:none}
  .menu-btn{display:block}
  .hero-inner{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:500px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .hero h2{font-size:26px}
}