body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: #fefefe;
  color: #222;
}
.container {
  width: 90%;
  max-width: 1000px;
  margin: auto;
  padding: 40px 0;
}
header.hero {
  background: #003366;
  color: white;
  text-align: center;
  padding: 80px 20px;
}
h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}
h2 {
  color: #444;
  margin-top: 30px;
}
p {
  font-size: 1.1rem;
  line-height: 1.6;
}
.contact-buttons, .pay-button {
  margin-top: 20px;
}
.btn-main {
  display: inline-block;
  background: #0073e6;
  color: white;
  padding: 12px 20px;
  text-decoration: none;
  margin: 5px;
  border-radius: 6px;
}
.grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.card {
  flex: 1 1 200px;
  background: #f4f4f4;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
footer {
  background: #003366;
  color: white;
  text-align: center;
  padding: 20px 0;
  font-size: 0.9rem;
}
@media (max-width: 768px) {
  .grid {
    flex-direction: column;
  }
}