body {
    font-family: Georgia, serif;
    background-color: #F5E6DA;
    color: #1C2833;
  }
  
  body::before {
    content: "";
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 80px;
    background: linear-gradient(#6F4E37, #F5E6DA);
    opacity: 0.1;
    z-index: -1;
  }
  
  #expendio {
    padding: 3rem 1rem;
    background-color: #FDFBF8;
  }
  
  #expendio h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #6F4E37;
    border-bottom: 2px solid #6F4E37;
    display: inline-block;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
  }
  
  .grano-contenedor {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
  }
  
  .grano {
    background-color: #fff;
    color: #1C2833;
    border: 2px solid #6F4E37;
    border-radius: 12px;
    padding: 1.5rem;
    width: 280px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
  }
  
  .grano:hover {
    transform: scale(1.03);
  }
  
  .grano h3 {
    color: #6F4E37;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
  }
  
  .grano ul {
    list-style-type: square;
    padding-left: 1.2rem;
  }
  
  footer {
    text-align: center;
    padding: 2rem;
    background-color: #F5E6DA;
    color: #6F4E37;
    font-size: 0.9rem;
  }
  
  /* Botón flotante */
  a[href="#comprar"] {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background-color: #6F4E37;
    color: white;
    padding: 18px 32px;
    font-size: 1.2rem;
    border-radius: 40px;
    font-weight: bold;
    text-decoration: none;
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.25);
    z-index: 1000;
    transition: background 0.3s ease;
  }
  
  a[href="#comprar"]:hover {
    background-color: #543a2c;
  }