/* Reset default margins, paddings, and set box sizing */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  /* Ensure the page fills the full viewport height */
  html, body {
    height: 100%;
    font-family: Arial, sans-serif;
  }
  
  /* Hero section with the full-screen background image */
  .hero {
    width: 100%;
    height: 100%;
    background: url("images/1.png") center center no-repeat;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative; /* Needed for the absolute positioning of the button container */
  }
  
  /* Button styling applied to all buttons using the class */
  .btn-configura {
    text-decoration: none;
    background-color: rgba(51, 51, 51, 0.5);   /* Customize as desired */
    color: #fff;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 50px;
    transition: background-color 0.3s ease;
  }
  
  /* Hover effect for the button */
  .btn-configura:hover {
    background-color: rgba(51, 51, 51, 0.8); /* Darker shade on hover */
  }
  .plus {
    background-color: #ddd;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    min-width: 20px;
  }
      /* Control the arrow image size in the "Indice" button */
      .btn-indice img, .btn-volver img {
        width: 20px;
        height: auto;
        vertical-align: middle;
        box-shadow: 2px 2px 4px rgba(0,0,0,0.0); /* Example shadow on arrow */
      }
    /* Bottom-center container to hold the button and the additional links */
    .hero-footer {
      position: absolute;
      bottom: 30px;
      left: 50%;
      transform: translateX(-50%);
      text-align: center;
      color: #fff; /* Ensure links are visible on a dark background */
    }

       /* Left arrow button */
       .left-arrow {
        position: absolute;
        top: 50%;
        left: 20px;
        transform: translateY(-50%);
        width: 30px;
        height: auto;
        cursor: pointer;
        z-index: 10; /* Ensure it is above other elements */
      }
  
      /* Right arrow button */
      .right-arrow {
        position: absolute;
        top: 50%;
        right: 20px;
        transform: translateY(-50%);
        width: 30px;
        height: auto;
        cursor: pointer;
        z-index: 10; /* Ensure it is above other elements */
      }

      .scaler {
        position: relative;
        width: 100%;
        height: 100%;
        background: url("images/3.png") center center no-repeat;
        background-size: cover; /* Ensures the image covers the entire viewport */
      }
      
      .overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 1;
      }
      
      .hero-content {
        position: absolute;
        bottom: 40px;
        left: 50%;
        transform: translateX(-50%);
        text-align: center;
        color: #fff;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      }