/* Base Styling */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Montserrat', sans-serif;
  background: #ffffff;
  color: #333;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

/* Navigation */
header {
  background: #0d47a1;
  color: #fff;
  padding: 1rem 0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  font-size: 1.8rem;
}

nav a {
  color: #fff;
  margin-left: 1.5rem;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

nav a:hover {
  color: #ffca28;
}

/* Hero Section */
.hero {
  background: linear-gradient(to right, #0d47a1, #1976d2);
  color: white;
  padding: 4rem 1rem;
  text-align: center;
}

.hero h2 {
  font-size: 2.8rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.btn {
  background: #ffca28;
  color: #0d47a1;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  font-weight: bold;
  border-radius: 30px;
  transition: background 0.3s;
}

.btn:hover {
  background: #ffc107;
}

/* Services */
.services {
  padding: 4rem 1rem;
  background: #f4f6f9;
}

.services h3 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
  color: #0d47a1;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.card {
  background: #fff;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 6px 25px rgba(0,0,0,0.15);
}

.card h4 {
  color: #0d47a1;
  margin-bottom: 0.5rem;
}

/* Footer */
footer {
  background: #0d47a1;
  color: white;
  text-align: center;
  padding: 1.5rem 1rem;
  margin-top: 2rem;
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  .nav-container {
    flex-direction: column;
    text-align: center;
  }

  nav a {
    display: block;
    margin: 0.5rem 0;
  }
}