body {
    background: #fdfdfd;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #222;
    margin: 0;
    padding: 0;
  }
  
  header {
    background: #ffffff;
    text-align: center;
    padding: 20px 0;
    border-bottom: 1px solid #eee;
  }
  
  .logo {
    max-width: 200px;
    height: auto;
    display: inline-block;
  }
  
  nav {
    position: sticky;
    top: 0;
    background-color: #1A365D;
    padding: 12px 0;
    z-index: 1000;
  }
  
  nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 25px;
    margin: 0;
    padding: 0;
  }
  
  nav ul li a {
    text-decoration: none;
    color: #ffffff;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 5px;
    transition: background 0.3s;
  }
  
  nav ul li a:hover,
  nav ul li a.active {
    background-color: #274B77;
  }
  
  #contact {
    max-width: 960px;
    margin: 40px auto;
    padding: 0 20px 40px;
    text-align: center;
  }
  
  #contact h2 {
    font-size: 32px;
    color: #2A4365;
    margin-bottom: 10px;
  }
  
  #contact p {
    font-size: 18px;
    color: #444;
    margin-bottom: 30px;
  }
  
  .contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
  }
  
  .contact-form,
  .contact-info {
    background: #ffffff;
    padding: 25px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 400px;
    max-width: 100%;
    text-align: left;
  }
  
  .contact-form h3,
  .contact-info h3 {
    color: #1A365D;
    margin-bottom: 20px;
  }
  
  .contact-form label {
    display: block;
    margin-top: 15px;
    font-weight: 600;
    color: #2A4365;
  }
  
  .contact-form input,
  .contact-form textarea {
    width: 100%;
    padding: 10px 12px;
    margin-top: 6px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
    font-family: inherit;
    box-sizing: border-box;
    transition: border-color 0.3s;
  }
  
  .contact-form input:focus,
  .contact-form textarea:focus {
    outline: none;
    border-color: #1A365D;
    box-shadow: 0 0 8px rgba(26, 54, 93, 0.3);
  }
  
  .contact-form textarea {
    resize: vertical;
    min-height: 120px;
  }
  
  .contact-form button {
    margin-top: 20px;
    background: #1A365D;
    color: #fff;
    border: none;
    padding: 12px 0;
    width: 100%;
    font-size: 18px;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
  }
  
  .contact-form button:hover {
    background: #274B77;
  }
  
  #map {
    max-width: 960px;
    margin: 40px auto;
    padding: 0 20px 40px;
    text-align: center;
  }
  
  #map h2 {
    color: #2A4365;
    margin-bottom: 20px;
    font-size: 28px;
  }
  
  #map iframe {
    width: 100%;
    height: 300px;
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }
  
  .back-button {
    display: block;
    margin: 30px auto 50px;
    background: #1A365D;
    color: white;
    border: none;
    padding: 12px 36px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
    transition: background 0.3s ease, transform 0.2s ease;
  }
  
  .back-button:hover {
    background: #274B77;
    transform: translateY(-3px);
  }
  
  footer {
    background: #1A365D;
    color: white;
    text-align: center;
    padding: 20px 0;
  }
  
  .whatsapp-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    transition: transform 0.3s ease;
  }
  
  .whatsapp-button img {
    width: 48px;
    height: 48px;
  }
  
  .whatsapp-button:hover {
    transform: scale(1.1);
  }
  
  /* Responsive */
  @media (max-width: 900px) {
    .contact-container {
      flex-direction: column;
      align-items: center;
    }
  
    .contact-form,
    .contact-info {
      width: 100%;
      max-width: 500px;
    }
  }
  