:root {
  --strong-orange: rgb(243, 126, 0);
  --med-strong-orange: rgb(249, 168, 81);
  --med-orange: rgb(247, 178, 105);
  --mid-orange: rgb(250, 213, 156);
  --dark-grey-blue: rgb(76, 99, 117);
  --white: rgb(255, 255, 255);
  --black: rgb(0, 0, 0);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background-image: url("../../assets/space.png");
  background-size: 100%;
  background-repeat: repeat;
  font-family: "Courier New", Courier, monospace;
  color: var(--black);
  font-size: medium;
}

h1,
h2,
h3 {
  text-align: center;
  margin: 5% 3% 1% 1%;
}

h1 {
  font-size: 2rem;
}
h2 {
  font-size: 1.5rem;
}
h3 {
  font-size: 1.2rem;
}

p {
  float: left;
  clear: both;
  position: relative;
  padding: 2%;
  font-size: 1rem;
}

.mission {
  width: 100%;
  position: sticky;
  margin: 0;
  padding: 1%;
  box-sizing: border-box;
}

.column {
  position: relative;
  box-sizing: border-box;
  display: inline-block;
  justify-content: center;
  flex-direction: row;
  grid-template-columns: auto auto;
  padding: 0;
  margin: 0;
  align-items: stretch;
  flex-shrink: initial;
}

.sidebar {
  position: relative;
  width: 100%;
  top: 100%;
  align-items: center;
  left: 0;
  margin: 0;
  padding: 2%;
  box-sizing: border-box;
  background-color: var(--med-orange);
  border: solid 1px var(--strong-orange);
}

.planet {
  z-index: 10;
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  padding: 0;
  box-sizing: border-box;
  background-image: url("../../assets/mars-image.png");
  background-size: contain;
  background-repeat: no-repeat;
  height: 0;
  padding-bottom: 100%;
}

.matrix {
  position: sticky;
  z-index: 100;
  width: 100%;
}

.grid-container {
  position: sticky;
  background-color: transparent;
  width: 100%;
  text-align: center;
  box-sizing: border-box;
  grid-template-columns: auto;
  padding: 0;
  margin: 0 auto;
  z-index: -1;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  grid-gap: 0;
}

.grid-item {
  position: sticky;
  background-repeat: no-repeat;
  height: 0;
  margin: 0;
  padding: 0;
  background-color: rgba(249, 168, 81, 0.5);
  opacity: 100%;
  text-align: center;
  z-index: -1;
  border-radius: 50%;
}

.grid-layer {
  position: absolute;
  top: 0px;
  margin: 0;
  padding: 0;
  background-color: transparent;
  background-size: cover;
  opacity: 100%;
  text-align: center;
  width: 100%;
  z-index: 2000;
}

.info,
.form,
.robot-sidebar,
button {
  float: left;
  clear: both;
  position: relative;
  width: 100%;
  font-size: 1.2em;
}

div.grid-robot {
  position: absolute;
  z-index: 1000;
  height: 0;
  margin: 0;
  padding: 100% 0 0 0;
  width: 100%;
  background-image: url("../../assets/robot-north.png");
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 1;
  z-index: 1000;
  touch-action: none;
}

div.grid-robot.N {
  background-image: url("../../assets/robot-north.png");
}

div.grid-robot.E {
  background-image: url("../../assets/robot-east.png");
}

div.grid-robot.W {
  background-image: url("../../assets/robot-west.png");
}

div.grid-robot.S {
  background-image: url("../../assets/robot-south.png");
}

/*animation*/
.move {
  background: transparent;
  animation-duration: 1s;
  animation-iteration-count: 1;
  animation-fill-mode: forwards;
  opacity: 1;
  position: sticky;
  width: 100%;
  margin: 0 auto;
  padding: 0;
}

.move-bounce {
  animation-delay: 0;
  animation-name: bounce-in;
}

@keyframes bounce-in {
  0% {
    transform: scale(0.1);
    transform: translateY(100%);
    opacity: 0;
  }
  40% {
    transform: scale(1.3);
    opacity: 0.5;
  }
  80% {
    transform: scale(1);
    opacity: 0.8;
  }
  100% {
    transform: translateY(0%);
    opacity: 1;
  }
}

select {
  appearance: none;
  background-color: transparent;
  border: none;
  padding: 0 1em 0 0;
  margin: 1% 0%;
  text-align: center;
  width: 100%;
  font-family: inherit;
  font-weight: bold;
  cursor: inherit;
  line-height: inherit;
  outline: none;
  border: 1px solid var(--strong-orange);
  border-radius: 0.25em;
  padding: 0.25em 0.5em;
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1.1;
  background-color: #fff;
  background-image: linear-gradient(to top, #f9f9f9, #fff 33%);
}

select::-ms-expand {
  display: none;
}

label {
  text-align: center;
  margin: 5% 3% 1% 1%;
  font-size: 1.2rem;
  padding: 0;
  font-weight: bold;
}

button {
  font-family: "Courier New", Courier, monospace;
  color: var(--black);
  font-weight: bold;
  padding: 2% 1%;
  margin: 1%;
  box-shadow: 0 0 15px 4px var(--strong-orange);
  border: solid 1px var(--strong-orange);
  border-radius: 50%;
  cursor: pointer;
}

.move-button {
  display: none;
}

@media only screen and (min-width: 768px) {
  .sidebar {
    position: fixed;
    width: 30%;
    top: 0;
  }

  .planet {
    left: 42%;
    width: 48%;
  }
}