* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  body {
    font-family: 'Inter', sans-serif;
    color: #333;
    background-color: #f8f9fb;
    line-height: 1.6;
  }
  a {
    color: inherit;
    text-decoration: none;
  }
  .container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
  }
  header {
    background-color: #0a1f44;
    color: white;
    padding: 20px 0;
  }
  .header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .logo {
    font-size: 1.6rem;
    font-weight: bold;
  }
  .logo span {
    color: #4cb0e2;
  }
  nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
  }
  nav a {
    color: white;
    font-weight: 600;
  }
  .hero {
    background: url("images/hero.png") center/cover no-repeat;
    height: 500px;
    display: flex;
    align-items: center;
    color: white;
  }
  .hero-content {
    text-align: center;
  }
  .hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
  }
  .cta-button {
    display: inline-block;
    margin-top: 20px;
    background-color: #4cb0e2;
    color: white;
    padding: 12px 25px;
    border-radius: 6px;
    font-weight: 600;
    transition: background 0.3s ease;
  }
  .cta-button:hover {
    background-color: #359dc6;
  }
  .section {
    padding: 60px 0;
  }
  .card-grid {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
  }
  .card {
    flex: 1;
    min-width: 250px;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.2s;
  }
  .card:hover {
    transform: translateY(-5px);
  }
  .about-section .about-content {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    align-items: center;
  }
  .about-section img {
    width: 100%;
    max-width: 450px;
    border-radius: 8px;
  }
  footer {
    background-color: #0a1f44;
    color: white;
    text-align: center;
    padding: 30px 0;
    margin-top: 60px;
  }
  @media (max-width: 768px) {
    .header-container,
    .about-section .about-content {
      flex-direction: column;
      text-align: center;
    }
    .card-grid {
      flex-direction: column;
    }
  }