body {
  font-family: Arial, sans-serif;
  background: #f9fbfd;
  color: #333;
  line-height: 1.6;
  margin: 0;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #004080;
  padding: 0 20px;
  flex-wrap: wrap;
}
.navbar a {
  color: #fff;
  font-size: 16px;
  padding: 20px;
  text-decoration: none;
}
.navbar .right a:hover {
  background: #007bff;
  border-radius: 5px;
}

/* Top Header */
.top-header {
  background: #fff;
  color: #0056b3;
  padding: 20px;
  text-align: center;
  position: relative;
}
.badge {
  position: absolute;
  top: 10px; left: 10px;
  font-size: 12px;
  background: #74b9ff;
  color: #003d6a;
  padding: 5px 10px;
  border-radius: 4px;
}

/* Services */
.services-section { text-align: center; padding: 40px 20px; }
.services-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 30px; margin-top: 30px; }
.service-card {
  background: #fff; border-radius: 12px; box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  padding: 20px; width: 220px; transition: transform 0.3s;
}
.service-card:hover { transform: translateY(-5px); }
.service-card img { width: 200px; height: auto; border-radius: 10px; }

/* Tables */
.container { max-width: 1000px; margin: 40px auto; }
table { width: 100%; border-collapse: collapse; }
th, td { border: 1px solid #ddd; padding: 10px; text-align: left; }
th { background: #f1f1f1; }

/* Buttons */
.calc-btn {
  background: linear-gradient(135deg, #007bff, #74b9ff);
  color: #fff; border: none; padding: 10px 18px; border-radius: 8px;
  font-weight: 600; cursor: pointer; transition: 0.25s;
}
.calc-btn:hover { transform: translateY(-2px); }

/* Modal */
.modal { display: none; position: fixed; z-index: 1000; inset: 0; background: rgba(0,0,0,0.5); }
.modal-content {
  background: #fff; margin: 10% auto; padding: 20px; width: 60%; border-radius: 10px;
}
.close { float: right; font-size: 24px; cursor: pointer; }

/* Card Section */
.card {
  background: #fff; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  padding: 20px; max-width: 1000px; margin: 40px auto;
}
.note { background: #f7f9fc; border-left: 4px solid #004080; padding: 12px; }

/* Contact */
.contact-section {
  background: #003d6a; color: #fff; text-align: center;
  padding: 30px 20px; margin-top: 40px;
}
.contact-section a { color: #fff; text-decoration: underline; }