* {
	border: 0;
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}
:root {
	--hue: 223;
	--bg: hsl(var(--hue),90%,95%);
	--fg: hsl(var(--hue),90%,5%);
	--trans-dur: 0.3s;
	font-size: calc(16px + (24 - 16) * (100vw - 320px) / (1280 - 320));
}
body {
	background-color: var(--bg);
	color: var(--fg);
	font: 1em/1.5 sans-serif;
	height: 100vh;
	display: grid;
	place-items: center;
	transition: background-color var(--trans-dur);
}
main {
	padding: 1.5em 0;
}
.ip {
	width: 16em;
	height: 8em;
}
.ip__track {
	stroke: hsl(var(--hue),90%,90%);
	transition: stroke var(--trans-dur);
}
.ip__worm1,
.ip__worm2 {
	animation: worm1 2s linear infinite;
}
.ip__worm2 {
	animation-name: worm2;
}

.btn-conteiner {
  display: flex;
  justify-content: center;
  --color-text: #ffffff;
  --color-background: #135eff;
  --color-outline: #350af380;
  --color-shadow: #00000080;
}

.btn-content {
  display: flex;
  align-items: center;
  padding: 5px 30px;
  text-decoration: none;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 30px;
  color: var(--color-text);
  background: var(--color-background);
  transition: 1s;
  border-radius: 100px;
  box-shadow: 0 0 0.2em 0 var(--color-background);
}

.btn-content:hover, .btn-content:focus {
  transition: 0.5s;
  -webkit-animation: btn-content 1s;
  animation: btn-content 1s;
  outline: 0.1em solid transparent;
  outline-offset: 0.2em;
  box-shadow: 0 0 0.4em 0 var(--color-background);
}

.btn-content .icon-arrow {
  transition: 0.5s;
  margin-right: 0px;
  transform: scale(0.6);
}

.btn-content:hover .icon-arrow {
  transition: 0.5s;
  margin-right: 25px;
}

.icon-arrow {
  width: 20px;
  margin-left: 15px;
  position: relative;
  top: 6%;
}
  
/* SVG */
#arrow-icon-one {
  transition: 0.4s;
  transform: translateX(-60%);
}

#arrow-icon-two {
  transition: 0.5s;
  transform: translateX(-30%);
}

.btn-content:hover #arrow-icon-three {
  animation: color_anim 1s infinite 0.2s;
}

.btn-content:hover #arrow-icon-one {
  transform: translateX(0%);
  animation: color_anim 1s infinite 0.6s;
}

.btn-content:hover #arrow-icon-two {
  transform: translateX(0%);
  animation: color_anim 1s infinite 0.4s;
}

/* SVG animations */
@keyframes color_anim {
  0% {
    fill: white;
  }

  50% {
    fill: var(--color-background);
  }

  100% {
    fill: white;
  }
}

/* Button animations */
@-webkit-keyframes btn-content {
  0% {
    outline: 0.2em solid var(--color-background);
    outline-offset: 0;
  }
}

@keyframes btn-content {
  0% {
    outline: 0.2em solid var(--color-background);
    outline-offset: 0;
  }
}

/* Dark theme */
@media (prefers-color-scheme: dark) {
	:root {
		--bg: hsl(var(--hue),90%,5%);
		--fg: hsl(var(--hue),90%,95%);
	}
	.ip__track {
		stroke: hsl(var(--hue),90%,15%);
	}
}

/* Animation */
@keyframes worm1 {
	from {
		stroke-dashoffset: 0;
	}
	50% {
		animation-timing-function: steps(1);
		stroke-dashoffset: -358;
	}
	50.01% {
		animation-timing-function: linear;
		stroke-dashoffset: 358;
	}
	to {
		stroke-dashoffset: 0;
	}
}
@keyframes worm2 {
	from {
		stroke-dashoffset: 358;
	}
	50% {
		stroke-dashoffset: 0;
	}
	to {
		stroke-dashoffset: -358;
	}
}