:root {
    --primary: #0078D7;
    --accent: #25D366;
    --bg: #f4f4f4;
    --light: #ffffff;
    --dark: #333;
  }
  
  * {
    box-sizing: border-box;
    scroll-behavior: smooth;
  }
  
  body {
    margin: 0;
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg);
    color: var(--dark);
  }
  
  nav {
    background: rgb(0, 181, 112);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
  }
  
  nav .logo {
    color: white;
    font-size: 1.5em;
    font-weight: bold;
  }
  
  nav ul {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
  }
  
  nav ul li {
    margin-left: 20px;
  }
  
  nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
  }
  
  .menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
  }
  
  .menu-toggle span {
    height: 3px;
    width: 25px;
    background: white;
    margin: 4px 0;
    border-radius: 2px;
  }
  
  .menu-active {
    display: flex !important;
    flex-direction: column;
    background: #005bb5;
    position: absolute;
    top: 60px;
    right: 20px;
    padding: 15px;
    border-radius: 8px;
  }
  
  header {
    position: relative;
    background: url('imagenes/fondo_fibra.jpg') center/cover no-repeat;
    color: white;
    padding: 80px 20px 100px;
    text-align: center;
  }
  
  header > div:first-child {
    position: absolute;
    inset: 0;
    background-color: rgba(255, 255, 255, 0.4);
    z-index: 1;
  }
  
  header > div:last-child {
    position: relative;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 80px 20px 100px;
    color: white;
    z-index: 2;
  }
  
  header h1 {
    font-size: 3em;
    margin: 0;
  }
  
  header p {
    font-size: 1.2em;
    margin-top: 10px;
  }
  
  header .location {
    font-size: 1em;
    margin-top: 6px;
    font-style: italic;
    opacity: 0.85;
  }
  
  .whatsapp-btn {
    background: var(--accent);
    color: white;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    margin-top: 30px;
    display: inline-block;
    transition: transform 0.2s ease;
  }
  
  .whatsapp-btn:hover {
    transform: scale(1.05);
  }
  
  section {
    padding: 60px 5%;
    background: var(--light);
  }
  
  section h2 {
    text-align: center;
    font-size: 2em;
    color: var(--primary);
    margin-bottom: 40px;
  }
  
  .cards-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
  }
  
  .card {
    background: #e1ecf4;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    max-width: 350px;
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s ease;
  }
  
  .card:hover {
    transform: translateY(-5px);
  }
  
  .card img {
    width: 100%;
    height: auto;
  }
  
  .card-content {
    padding: 20px;
  }
  
  .card-content h3 {
    margin: 0;
    font-size: 1.5em;
  }
  
  .card-content p {
    margin-top: 10px;
    font-size: 1em;
  }
  
  .beneficios ul {
    list-style: none;
    padding: 0;
    max-width: 800px;
    margin: auto;
  }
  
  .beneficios li {
    background: #f0f0f0;
    margin: 10px 0;
    padding: 18px;
    border-left: 5px solid var(--primary);
    border-radius: 5px;
  }
  
  form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 600px;
    margin: auto;
  }
  
  form input,
  form textarea {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1em;
  }
  
  form button {
    background: var(--primary);
    color: white;
    padding: 12px;
    border: none;
    border-radius: 5px;
    font-size: 1.1em;
    cursor: pointer;
  }
  
  form button:hover {
    background: #005bb5;
  }
  
  .mapa {
    width: 100%;
    height: 400px;
    border: 0;
    border-radius: 8px;
  }
  
  .fixed-whatsapp {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--accent);
    color: white;
    padding: 14px 18px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 18px;
    z-index: 100;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  }
  
  footer {
    text-align: center;
    padding: 20px;
    background: #ddd;
    font-size: 0.9em;
  }
  
  @media screen and (max-width: 768px) {
    nav ul {
      display: none;
      flex-direction: column;
    }
  
    .menu-toggle {
      display: flex;
    }
  
    .card {
      max-width: 100%;
    }
  }