a.boton-guinda {
    display: inline-block;
    padding: 12px 24px;
    background-color: #800020;  /* Color guinda principal */
    color: white;
    text-align: center;
    text-decoration: none;
    font-family: Arial, sans-serif;
    font-weight: bold;
    font-size: 3rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 3px 5px rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
}

/* Efecto hover */
a.boton-guinda:hover {
    background-color: #6a001b;  /* Guinda más oscuro */
    transform: translateY(-2px);
    box-shadow: 0 5px 8px rgba(0,0,0,0.25);
}

/* Efecto al hacer clic */
a.boton-guinda:active {
    background-color: #500015;  /* Guinda muy oscuro */
    transform: translateY(1px);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

/* Efecto de foco para accesibilidad */
a.boton-guinda:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(128, 0, 32, 0.4);
}

/* Efecto opcional de "pulsación" */
a.boton-guinda::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.1);
    opacity: 0;
    transition: opacity 0.3s;
}

a.boton-guinda:hover::after {
    opacity: 1;
}