@media only screen and (min-width: 768px) {
  .navbar-brand {
    margin-left: 40px;
  }
}

.bs-icon {
  --bs-icon-size: .75rem;
  display: flex;
  flex-shrink: 0;
  justify-content: center;
  align-items: center;
  font-size: var(--bs-icon-size);
  width: calc(var(--bs-icon-size) * 2);
  height: calc(var(--bs-icon-size) * 2);
  color: var(--bs-primary);
}

.bs-icon-xs {
  --bs-icon-size: 1rem;
  width: calc(var(--bs-icon-size) * 1.5);
  height: calc(var(--bs-icon-size) * 1.5);
}

.bs-icon-sm {
  --bs-icon-size: 1rem;
}

.bs-icon-md {
  --bs-icon-size: 1.5rem;
}

.bs-icon-lg {
  --bs-icon-size: 2rem;
}

.bs-icon-xl {
  --bs-icon-size: 2.5rem;
}

.bs-icon.bs-icon-primary {
  color: var(--bs-white);
  background: var(--bs-primary);
}

.bs-icon.bs-icon-primary-light {
  color: var(--bs-primary);
  background: rgba(var(--bs-primary-rgb), .2);
}

.bs-icon.bs-icon-semi-white {
  color: var(--bs-primary);
  background: rgba(255, 255, 255, .5);
}

.bs-icon.bs-icon-rounded {
  border-radius: .5rem;
}

.bs-icon.bs-icon-circle {
  border-radius: 50%;
}

.form__group {
  position: relative;
  padding: 20px 0 0;
  width: 100%;
  max-width: 180px;
}

.form__field {
  font-family: inherit;
  width: 100%;
  border: none;
  border-bottom: 2px solid #9b9b9b;
  outline: 0;
  font-size: 17px;
  color: #fff;
  padding: 7px 0;
  background: transparent;
  transition: border-color 0.2s;
}

.form__field::placeholder {
  /*color: transparent;*/
}

.form__field:placeholder-shown ~ .form__label {
  font-size: 17px;
  cursor: text;
  top: 20px;
}

.form__label {
  position: absolute;
  top: 0;
  display: block;
  transition: 0.2s;
  font-size: 17px;
  /*color: #9b9b9b;*/
  pointer-events: none;
}

.form__field:focus {
  padding-bottom: 6px;
  font-weight: 700;
  border-width: 3px;
  border-image: linear-gradient(to right, #116399, #38caef);
  border-image-slice: 1;
}

.form__field:focus ~ .form__label {
  position: absolute;
  top: 0;
  display: block;
  transition: 0.2s;
  font-size: 17px;
  color: #38caef;
  font-weight: 700;
}

/* reset input */

.form__field:required, .form__field:invalid {
  box-shadow: none;
}

.buttonCSS svg {
  width: 1.6em;
  /*margin: -0.2em 0.8em 1em;*/
  position: absolute;
  display: block;
  transition: all 0.6s ease;
}

.buttonCSS:hover svg {
  transform: translateX(5px);
}

.textCSS {
  margin: 0 1.5em;
  display: block;
}

.cube-container {
  width: 200px;
  height: 200px;
  perspective: 800px;
  margin: 50px auto;
}

.cube {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  animation: rotate 15s infinite linear;
}

.face {
  position: absolute;
  width: 200px;
  height: 200px;
  color: rgb(21, 153, 214);
  font-size: 18px;
  text-align: center;
  line-height: 200px;
  background: transparent;
  opacity: 0.9;
  border: 2px solid;
  border-image: linear-gradient( 90deg, rgba(14, 8, 110, 1) 0%, rgba(15, 15, 167, 1) 26%, rgba(20, 45, 255, 1) 85% );
  box-shadow: 0 0 100px rgba(8, 178, 245, 0.61);
}

.front {
  transform: translateZ(100px);
  background-color: #0093e9;
  background-image: linear-gradient(160deg, #0093e9 0%, #80d0c7 100%);
}

.back {
  transform: rotateY(180deg) translateZ(100px);
  background-color: #0093e9;
  background-image: linear-gradient(160deg, #0093e9 0%, #80d0c7 100%);
}

.right {
  transform: rotateY(90deg) translateZ(100px);
  background-color: #0093e9;
  background-image: linear-gradient(160deg, #0093e9 0%, #80d0c7 100%);
}

.left {
  transform: rotateY(-90deg) translateZ(100px);
  background-color: #0093e9;
  background-image: linear-gradient(160deg, #0093e9 0%, #80d0c7 100%);
}

.top {
  transform: rotateX(90deg) translateZ(100px);
  background-color: #0093e9;
  background-image: linear-gradient(160deg, #0093e9 0%, #80d0c7 100%);
}

.bottom {
  transform: rotateX(-90deg) translateZ(100px);
  background-color: #0093e9;
  background-image: linear-gradient(160deg, #0093e9 0%, #80d0c7 100%);
}

.cube-container:hover .cube {
  animation-play-state: paused;
}

@keyframes rotate {
  0% {
    transform: rotateX(0) rotateY(0) rotateZ(0);
  }
  100% {
    transform: rotateX(360deg) rotateY(360deg) rotateZ(360deg);
  }
}

.terminal-controls {
  float: right;
}

.control {
  display: inline-block;
  width: 0.6em;
  height: 0.6em;
  margin-left: 0.4em;
  border-radius: 50%;
  background-color: #777;
}

.control.close {
  background-color: #e33;
}

.control.minimize {
  background-color: #ee0;
}

.control.maximize {
  background-color: #0b0;
}

.terminal-title {
  float: left;
  line-height: 1.5em;
  color: #eee;
}

.button {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: rgb(20, 20, 20);
  border: none;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0px 0px 0px 4px rgba(180, 160, 255, 0.253);
  cursor: pointer;
  transition-duration: 0.3s;
  overflow: hidden;
  position: fixed;
  bottom: 20px;
  right: 20px;
  float: right;
  /*margin-bottom: 20px;*/
  /*margin-right: 20px;*/
}

.svgIcon {
  width: 12px;
  transition-duration: 0.3s;
}

.svgIcon path {
  fill: white;
}

.button:hover {
  width: 140px;
  border-radius: 50px;
  transition-duration: 0.3s;
  background-color: rgb(181, 160, 255);
  align-items: center;
}

.button:hover .svgIcon {
  /*width: 20px;*/
  transition-duration: 0.3s;
  transform: translateY(-200%);
}

.button::before {
  position: absolute;
  bottom: -20px;
  content: "Torna in alto";
  color: white;
  /*transition-duration: .3s;*/
  font-size: 0px;
}

.button:hover::before {
  font-size: 13px;
  opacity: 1;
  bottom: unset;
  /*transform: translateY(-30px);*/
  transition-duration: 0.3s;
}

#btn-back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  /*display: none;*/
}

.content {
  width: 300px;
  max-width: 100%;
  height: 300px;
  position: absolute;
  right: 0;
  margin-right: 10%;
  margin-left: 10%;
  justify-content: center;
  align-items: center;
}

.content .planet {
  width: 65%;
  height: 65%;
  background-color: #546c8c;
  border-radius: 100%;
  position: absolute;
  display: flex;
  align-items: center;
  transform-origin: center center;
  box-shadow: inset 2px -10px 0px rgba(0, 0, 0, 0.1);
  animation: planet 5s ease infinite alternate;
}

@keyframes planet {
  0% {
    transform: rotate(10deg);
  }
  100% {
    transform: rotate(-10deg);
  }
}

.content .planet .ring {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 100%;
  background-color: #bacbd9;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-origin: 33% center;
  box-shadow: 2px -10px 0px rgba(0, 0, 0, 0.1), inset -5px -10px 0px rgba(0, 0, 0, 0.1);
  animation: ring 3s ease infinite;
}

@keyframes ring {
  0% {
    transform: rotateX(110deg) rotateZ(0deg) translate(-50px, 5px);
  }
  100% {
    transform: rotateX(110deg) rotateZ(360deg) translate(-50px, 5px);
  }
}

.content .planet .ring:before {
  content: "";
  position: absolute;
  width: 10px;
  height: 30px;
  border-radius: 100%;
  background-color: #7ea1bf;
  z-index: 2;
  left: calc(0px - 5px);
  box-shadow: inset -3px 3px 0px rgba(0, 0, 0, 0.2);
}

.content .planet .ring:after {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  border-radius: 100%;
  background-color: #7ea1bf;
  box-shadow: inset 2px -10px 0px rgba(0, 0, 0, 0.1);
}

.content .planet .cover-ring {
  position: absolute;
  width: 100%;
  height: 50%;
  border-bottom-left-radius: 80%;
  border-bottom-right-radius: 80%;
  border-top-left-radius: 100px;
  border-top-right-radius: 100px;
  transform: translate(0px, -17px);
  background-color: #546c8c;
  z-index: 2;
  box-shadow: inset 0px -2px 0px rgba(0, 0, 0, 0.1);
}

.content .planet .spots {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  z-index: 2;
}

.content .planet .spots span {
  width: 30px;
  height: 30px;
  background-color: #3c4359;
  position: absolute;
  border-radius: 100%;
  box-shadow: inset -2px 3px 0px rgba(0, 0, 0, 0.3);
  animation: dots 5s ease infinite alternate;
}

@keyframes dots {
  0% {
    box-shadow: inset -3px 3px 0px rgba(0, 0, 0, 0.3);
  }
  100% {
    box-shadow: inset 3px 3px 0px rgba(0, 0, 0, 0.3);
  }
}

.content .planet .spots span:nth-child(1) {
  top: 20px;
  right: 50px;
}

.content .planet .spots span:nth-child(2) {
  top: 40px;
  left: 50px;
  width: 15px;
  height: 15px;
}

.content .planet .spots span:nth-child(3) {
  top: 80px;
  left: 20px;
  width: 25px;
  height: 25px;
}

.content .planet .spots span:nth-child(4) {
  top: 80px;
  left: 90px;
  width: 40px;
  height: 40px;
}

.content .planet .spots span:nth-child(5) {
  top: 160px;
  left: 70px;
  width: 15px;
  height: 15px;
}

.content .planet .spots span:nth-child(6) {
  top: 165px;
  left: 125px;
  width: 10px;
  height: 10px;
}

.content .planet .spots span:nth-child(7) {
  top: 90px;
  left: 150px;
  width: 15px;
  height: 15px;
}

.content p {
  color: #bacbd9;
  font-size: 14px;
  z-index: 2;
  position: absolute;
  bottom: -20px;
  font-family: "Roboto Mono", monospace;
  animation: text 4s ease infinite;
  width: 100px;
  text-align: center;
}

@keyframes text {
  0% {
    transform: translateX(-30px);
    letter-spacing: 0px;
    color: #bacbd9;
  }
  25% {
    letter-spacing: 3px;
    color: #7ea1bf;
  }
  50% {
    transform: translateX(30px);
    letter-spacing: 0px;
    color: #bacbd9;
  }
  75% {
    letter-spacing: 3px;
    color: #7ea1bf;
  }
  100% {
    transform: translateX(-30px);
    letter-spacing: 0px;
    color: #bacbd9;
  }
}