* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
  
}
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh; /* Establece la altura mínima del cuerpo para ocupar al menos el 100% del viewport height. */
    margin: 0;
    position: relative;
}

section {
    flex-grow: 1;
     min-height: 100vh;
  height: 100%;
  width: 100%;
  display: grid;
  place-items: center;
}
a{
    text-decoration: none;
}
.row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.column {
  width: 100%;
  padding: 0 1em 1em 1em;
  text-align: center;
}
blockquote{
    font-weight: 600;
    color: #575a7b;
}

#logo-donceles{
    margin-top: 20px;
    margin-bottom: 35px;
    height: 150px;
}
.card {
  width: 100%;
  height: 100%;
  padding: 2em 1.5em;
  background: linear-gradient(#ffffff 50%, #98c0ff 35%, #2c7bfe 25%);
  background-size: 100% 200%;
  background-position: 0 2.5%;
  border-radius: 5px;
  box-shadow: 0 0 35px rgba(0, 0, 0, 0.12);
  cursor: pointer;
  transition: 0.5s;
}
.background-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.cielo,
.estrellas,
.nubes,
.arboles {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cielo {
    animation: zoomInOut 15s infinite alternate; /* Ajusta la duración según sea necesario */
}

.nubes {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: moveClouds 5s linear infinite;
}

.arboles {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: auto;
    object-fit: cover;
    animation: zoomInOut 20s infinite alternate; /* Ajusta la duración según sea necesario */
}


.stars {
    position: fixed;
    top: 0;
     left: 0;
    width: 100%;
    height: 100%;
}

.twinkling-star {
    position: fixed;
    top: -35%;
     left: 0;
    width: 100%;
    height: 100%;
    animation: twinkling 3s infinite;
}

@keyframes twinkling {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

@keyframes sizeChange {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.falling-star {
    width: 110%;
    height: 70%;
    animation: fall 5s cubic-bezier(0.25, 0.1, 0.25, 1) infinite;
}
@keyframes moveClouds {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(10%);
    }
}

@keyframes fall {
    from {
        transform: translate3d(40%, -180%, 0);
    }
    to {
        transform: translate3d(-100%, 100vh, 0);
    }
}

.books{
background-color: aquamarine;
}
h3 {
  font-size: 20px;
  font-weight: 600;
  color: #1f194c;
  margin: 1em 0;
}
p {
  color: #575a7b;
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: 0.03em;
}
.icon-wrapper {
  background-color: #2c7bfe;
  position: relative;
  margin: auto;
  font-size: 30px;
  height: 2.5em;
  width: 2.5em;
  color: #ffffff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: 0.5s;
}
.card:hover {
  background-position: 0 100%;
}
 #Whatsapp:hover  .icon-wrapper{
  background-color: #ffffff;
  color: #00b000;

}
.card:hover .icon-wrapper  {
  background-color: #ffffff;
  color: #2c7bfe;

}
.card:hover h3 {
  color: #ffffff;
}
.card:hover p {
  color: #f0f0f0;
}
.card:hover blockquote {
  color: #f0f0f0;
}
.footer {
    background-color:#091E72;
    padding: 20px;
    text-align: center;
       margin-top: auto; 
       color: #f0f0f0;
}
.footer p{
    color: #f0f0f0;
}
@media screen and (min-width: 768px) {
  section {
    padding: 0 2em;
  }
  .column {
    flex: 0 50%;
    max-width: 50%;
  }
  #logo-donceles{
    margin-top: 25px;
    margin-bottom: 30px;
    height: 120px;
  }
}
@media screen and (min-width: 992px) {
  section {
    padding: 1em 3em;
  }
  .column {
    flex: 0 0 33.33%;
    max-width: 33.33%;
  }
}