body {
  margin: 0;
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  background: #f9fafc;
  color: #1f2933;
  line-height: 1.9;
}

/* Links */
a {
  color: #0a4aa6;
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: #083a85;
}

/* Header & Navigation */
header {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 4px 15px rgba(0,0,0,0.04);
}

.container {
  width: 92%;
  max-width: 1240px;
  margin: auto;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
}

nav h1 {
  color: #0a4aa6;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 0;
  padding: 0;
}

nav ul li a {
  font-weight: 600;
  color: #1f2933;
}
nav ul li a:hover {
  color: #0a4aa6;
}

/* Hero Section */
.hero {
  min-height: 70vh;
  background: url('hero.jpg') center/cover no-repeat;
  display: flex;
  align-items: center;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    rgba(255,255,255,0.88),
    rgba(255,255,255,0.65)
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 60px 0;
  max-width: 800px;
}

.hero h2 {
  font-size: 42px;
  color: #0a4aa6;
  font-weight: 800;
  line-height: 1.3;
}

.hero p {
  font-size: 18px;
  color: #334155;
}

/* Buttons */
.btn {
  background: linear-gradient(135deg, #0a4aa6, #0f62c7);
  color: #ffffff;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  display: inline-block;
  margin: 12px 12px 0 0;
  box-shadow: 0 8px 25px rgba(10,74,166,0.25);
  transition: all 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(10,74,166,0.35);
}

/* Sections */
section {
  background: #ffffff;
  margin-top: 45px;
  border-radius: 14px;
  padding: 45px;
  box-shadow: 0 10px 35px rgba(0,0,0,0.06);
  border: 1px solid #eef2f7;
}

section h2 {
  color: #0a4aa6;
  border-bottom: 2px solid #e5e7eb;
  padding-bottom: 10px;
  margin-bottom: 20px;
  font-size: 26px;
  font-weight: 700;
}

/* Grid & Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
  gap: 26px;
  margin-top: 25px;
}

.card {
  background: linear-gradient(180deg, #ffffff, #f8fafc);
  border-radius: 14px;
  padding: 30px;
  border: 1px solid #e5e7eb;
  box-shadow: 0 8px 25px rgba(0,0,0,0.05);
  transition: all 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 40px rgba(0,0,0,0.10);
}

.card h3 {
  color: #0a4aa6;
  margin-top: 0;
  font-size: 20px;
  font-weight: 700;
}

/* Footer - Dark Luxury */
footer {
  background: linear-gradient(135deg, #0b1c2d, #020617);
  margin-top: 80px;
  padding: 50px 30px;
  text-align: center;
  border-top: 4px solid #0a4aa6;
  font-size: 14px;
  color: #cbd5e1;
}

footer p {
  margin: 6px 0;
}

footer a {
  color: #7dd3fc;
}
footer a:hover {
  color: #ffffff;
}

/* Mobile Optimization */
@media(max-width:768px){
  .hero h2 { font-size: 30px; }
  section { padding: 28px; }
  nav ul { gap: 12px; }
}