:root { 
  --primary-color: #0d3b66;     /* Deep Blue */
  --secondary-color: #3da5d9;   /* Teal Accent */
  --bg-light: #f4f6f8;          /* Light Gray Background */
  --text-dark: #1c1c1c;         /* Dark Text */
  --footer-bg: #0b1d33;         /* Footer Color */
  --card-gradient-start: #0d3b66;
  --card-gradient-end: #3da5d9;
  --hero-bg: none; /* gradient instead of image */
}

/* Body */
body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background-color: var(--bg-light);
  color: var(--text-dark);
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

/* Navbar Dark Gradient */
.navbar {
  background: linear-gradient(135deg, #0b2a4a, #1b4f72);
  color: white;
  padding: 1rem 0;
}

.navbar-brand {
  color: white !important;
  font-weight: 700;
  font-size: 1.3rem;
}

.navbar-brand i {
  font-size: 1.4rem;
  vertical-align: middle;
  color: #f4d35e;
}

.navbar .nav-link {
  color: white !important;
  font-weight: 500;
  margin-left: 0.8rem;
  transition: color 0.3s;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: #f4d35e !important;
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0d3b66, #3da5d9); /* gradient instead of image */
  color: white;
  text-align: center;
  padding: 120px 20px;
}

.hero h1 {
  font-weight: 700;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 20px;
}

/* Feature / Service Cards */
.feature-card {
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg, var(--card-gradient-start), var(--card-gradient-end));
  color: white;
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.25);
}

/* Buttons */
.btn-primary {
  background-color: var(--primary-color);
  border: none;
  transition: background 0.3s;
}

.btn-primary:hover {
  background-color: var(--secondary-color);
}

/* Footer */
footer {
  background-color: var(--footer-bg);
  color: white;
  text-align: center;
  padding: 20px 0;
  margin-top: auto;
}