* { margin: 0; padding: 0; box-sizing: border-box; }

    body {
      font-family: 'Segoe UI', sans-serif;
      background: #f8f9fa;
      color: #333;
    }

    header {
      background: linear-gradient(to right, #000000, #535353);
      color: #fff;
      padding: 1rem 2rem;
      text-align: center;
      padding-bottom: 50px;
    }

    header h1 {
      font-size: 2.8rem;
      margin-bottom: 15px;
    }

    header p {
      font-size: 1.2rem;
      margin-bottom: 30px;
    }

    header a {
      background: #fff;
      color: #1e3c72;
      padding: 12px 24px;
      text-decoration: none;
      border-radius: 8px;
      font-weight: bold;
    }

    section {
      padding: 60px 20px;
      max-width: 1000px;
      margin: auto;
    }

    .servicios {
      display: grid;
      grid-template-columns: 1fr;
      gap: 30px;
    }

    .servicio {
      background: white;
      padding: 20px;
      border-radius: 12px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    }

    .servicio h3 {
      color: #1e3c72;
      margin-bottom: 10px;
    }

    .cta {
      background: #555454;
      color: white;
      text-align: center;
      padding: 60px 20px;
    }

    .cta a {
      background: white;
      color: #1e3c72;
      padding: 12px 24px;
      text-decoration: none;
      border-radius: 8px;
      font-weight: bold;
    }

    .modal-bg {
      display: none;
      position: fixed;
      top: 0; left: 0;
      width: 100%; height: 100%;
      background: rgba(0,0,0,0.6);
      justify-content: center;
      align-items: center;
      z-index: 999;
    }

    .modal {
      background: white;
      padding: 30px;
      border-radius: 10px;
      max-width: 500px;
      width: 90%;
      position: relative;
    }

    .modal input, .modal select, .modal textarea {
      width: 100%;
      padding: 10px;
      margin-top: 6px;
      margin-bottom: 15px;
      border: 1px solid #ccc;
      border-radius: 6px;
      font-size: 1rem;
    }

    .modal button {
      background-color: #1e3c72;
      color: white;
      padding: 12px;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      font-weight: bold;
      width: 100%;
    }

    .modal .close-btn {
      position: absolute;
      top: 10px;
      right: 15px;
      font-size: 1.5rem;
      cursor: pointer;
      color: #555;
    }

    .contact-preference {
      margin-bottom: 15px;
    }

    .contact-preference label {
      display: block;
      margin-bottom: 5px;
    }

    footer {
      text-align: center;
      padding: 20px;
      background: #eaeaea;
      font-size: 0.9rem;
      color: #555;
    }

    @media (min-width: 768px) {
      .servicios {
        grid-template-columns: 1fr 1fr;
      }
    }