body {
    margin: 0;
    padding: 0;
    height: 100vh;
    font-family: Georgia, serif;
    text-align: center;

}

/* LAYOUT SPLIT LEFT/RIGHT */
.container {
    display: flex;
    min-height: 100vh;
    width: 100vw;
   flex-wrap: wrap;
    flex-direction: row;
}

.titulo {
    /*max-width: 300px;*/
    font-size: 36px;
    /*font-size: 3.0vw;*/
  word-wrap: break-word; /* Or word-break: break-all; */
  white-space: normal;
}

.titulo h1 {
  word-wrap: break-word; /* Or word-break: break-all; */
  white-space: normal;
}

/* LEFT: COVER IMAGE */
.left {
    /*position: relative;*/
    flex: 0 0 auto;          /* fixed width */
}

.bg, #cover {
    height: 100vh;           /* exact viewport height */
    width: auto;
    display: block;
}

#cover {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;              /* invisible but clickable */
}

/*map area {
    cursor: pointer;
}*/

/* RIGHT: TEXT PANEL */
.right {
/*    flex: 1 1 auto;*/
    flex-grow: 100;
    padding: 60px;
    background: #fdfdfd;
    color: #003399;
    overflow-y: auto;        /* scroll if text gets long */
    box-sizing: border-box;
    min-width: 300px;
    width: 400px
}

.right a {
    color: #003399;
    text-decoration: none;
}

.right a:hover {
    text-decoration: underline;
}

.right h1 {
    font-size: 36px;
    margin-top: 0;
    word-wrap: break-word;
    overflow-wrap: break-word; /* allow long title to wrap */
}

.right h2 {
    font-size: 24px;
    font-weight: normal;
    margin-top: 5px;
}

.download-button {
    background-color: #007bff; /* Blue background */
    color: white; /* White text */
    padding: 10px 20px; /* Spacing inside the button */
    text-decoration: none; /* Remove underline */
    border-radius: 5px; /* Rounded corners */
    display: inline-block; /* Allows padding to work correctly */
    cursor: pointer; /* Changes mouse icon to a hand */
  }

.download-button:hover {
      background-color: #0056b3; /* Darker blue on hover */
  }


@import "bourbon";

$btn-color: #3CA2A2;

@include keyframes( orbit ) {
  0% {
    @include transform( rotateY(90deg) rotate(0deg) );
  }
  60% {
    @include transform( rotateY(90deg) rotate( -180deg ) );
  }
  100% {
    @include transform( rotateY(90deg) rotate( -360deg ) );
  }
}


/* botón con Bourbon */

@-webkit-keyframes orbit {
  0% {
    -webkit-transform: rotateY(90deg) rotate(0deg);
  }
  60% {
    -webkit-transform: rotateY(90deg) rotate(-180deg);
  }
  100% {
    -webkit-transform: rotateY(90deg) rotate(-360deg);
  }
}
@-moz-keyframes orbit {
  0% {
    -moz-transform: rotateY(90deg) rotate(0deg);
  }
  60% {
    -moz-transform: rotateY(90deg) rotate(-180deg);
  }
  100% {
    -moz-transform: rotateY(90deg) rotate(-360deg);
  }
}
@keyframes orbit {
  0% {
    -webkit-transform: rotateY(90deg) rotate(0deg);
    -moz-transform: rotateY(90deg) rotate(0deg);
    -ms-transform: rotateY(90deg) rotate(0deg);
    -o-transform: rotateY(90deg) rotate(0deg);
    transform: rotateY(90deg) rotate(0deg);
  }
  60% {
    -webkit-transform: rotateY(90deg) rotate(-180deg);
    -moz-transform: rotateY(90deg) rotate(-180deg);
    -ms-transform: rotateY(90deg) rotate(-180deg);
    -o-transform: rotateY(90deg) rotate(-180deg);
    transform: rotateY(90deg) rotate(-180deg);
  }
  100% {
    -webkit-transform: rotateY(90deg) rotate(-360deg);
    -moz-transform: rotateY(90deg) rotate(-360deg);
    -ms-transform: rotateY(90deg) rotate(-360deg);
    -o-transform: rotateY(90deg) rotate(-360deg);
    transform: rotateY(90deg) rotate(-360deg);
  }
}

.button {
  display: inline-block;
  border-radius: 10px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  padding: 20px 30px 20px 70px;
  background: rgba(60, 162, 162, 0.6);
  color: rgba(0, 0, 0, 0.5);
  cursor: pointer;
  -webkit-transform-style: preserve-3d;
  -moz-transform-style: preserve-3d;
  -ms-transform-style: preserve-3d;
  -o-transform-style: preserve-3d;
  transform-style: preserve-3d;
  -webkit-transition: all 500ms ease-in-out;
  -moz-transition: all 500ms ease-in-out;
  transition: all 500ms ease-in-out;
}
.button:hover {
  -webkit-transform: translateY(-5px);
  -moz-transform: translateY(-5px);
  -ms-transform: translateY(-5px);
  -o-transform: translateY(-5px);
  transform: translateY(-5px);
  color: rgba(0, 0, 0, 0.8);
  background: rgba(60, 162, 162, 0.8);
}
.button:hover > span {
  -webkit-transition: all 800ms ease-in-out;
  -moz-transition: all 800ms ease-in-out;
  transition: all 800ms ease-in-out;
  -webkit-transform: rotateY(90deg) rotate(-360deg);
  -moz-transform: rotateY(90deg) rotate(-360deg);
  -ms-transform: rotateY(90deg) rotate(-360deg);
  -o-transform: rotateY(90deg) rotate(-360deg);
  transform: rotateY(90deg) rotate(-360deg);
}
.button > span {
  width: 80px;
  display: block;
  position: absolute;
  left: 0;
  top: -40px;
  bottom: -40px;
  border-radius: 50%;
  -webkit-transform-style: preserve-3d;
  -moz-transform-style: preserve-3d;
  -ms-transform-style: preserve-3d;
  -o-transform-style: preserve-3d;
  transform-style: preserve-3d;
  -webkit-transform: rotateY(90deg) rotate(0deg);
  -moz-transform: rotateY(90deg) rotate(0deg);
  -ms-transform: rotateY(90deg) rotate(0deg);
  -o-transform: rotateY(90deg) rotate(0deg);
  transform: rotateY(90deg) rotate(0deg);
}
.button > span > span {
  position: absolute;
  background: rgba(0, 0, 0, 0.6);
  width: 16px;
  height: 17px;
  left: 0;
  top: 50px;
  -webkit-transform: rotateY(-90deg);
  -moz-transform: rotateY(-90deg);
  -ms-transform: rotateY(-90deg);
  -o-transform: rotateY(-90deg);
  transform: rotateY(-90deg);
}
.button > span > span::before {
  position: absolute;
  content: "";
  top: 100%;
  left: 0;
  margin-left: -7px;
  border-top: 16px solid rgba(0, 0, 0, 0.6);
  border-bottom: 0 solid transparent;
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
}



/* ================================ */

.centrar {
	display: flex;
	justify-content: center;
	align-items: center;
} 


/* ================================ */

/* From Uiverse.io by adamgiebl */ 
.cssbuttons-io-button {
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: inherit;
  cursor: pointer;
  font-weight: 500;
  font-size: 17px;
  padding: 0.8em 1.5em 0.8em 1.2em;
  color: white;
  background: #0059E9; /* #ad5389; */
  background: linear-gradient(
    0deg,
/*    rgba(77, 54, 208, 1) 0%,*/
/*    rgba(132, 116, 254, 1) 100%*/   /*#0059E9 es book ;  #589AEE es ejercicios */
    rgba(0, 89, 233, 1) 0%,
    rgba(88, 154, 238, 1) 100%
  );
  border: none;
  box-shadow: 0 0.7em 1.5em -0.5em #4d36d0be;
  letter-spacing: 0.05em;
  border-radius: 20em;
}

.cssbuttons-io-button svg {
  margin-right: 8px;
}

.cssbuttons-io-button:hover {
  box-shadow: 0 0.5em 1.5em -0.5em #4d36d0be;
}

.cssbuttons-io-button:active {
  box-shadow: 0 0.3em 1em -0.5em #4d36d0be;
}


/* From Uiverse.io by adamgiebl */ 
.cssbuttons-io-button-ejercicios {
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: inherit;
  cursor: pointer;
  font-weight: 500;
  font-size: 17px;
  padding: 0.8em 1.5em 0.8em 1.2em;
  color: white;
  background: #589AEE; /* #ad5389; */
  background: linear-gradient(
    0deg,
/*    rgba(77, 54, 208, 1) 0%,*/
/*    rgba(132, 116, 254, 1) 100%*/   /*#0059E9 es book ;  #589AEE es ejercicios */
    rgba(88, 154, 238, 1) 0%
    rgba(0, 89, 233, 1) 100%,
  );
  border: none;
  box-shadow: 0 0.7em 1.5em -0.5em #4d36d0be;
  letter-spacing: 0.05em;
  border-radius: 20em;
}

.cssbuttons-io-button-ejercicios svg {
  margin-right: 8px;
}

.cssbuttons-io-button-ejercicios:hover {
  box-shadow: 0 0.5em 1.5em -0.5em #4d36d0be;
}

.cssbuttons-io-button-ejercicios:active {
  box-shadow: 0 0.3em 1em -0.5em #4d36d0be;
}