@import url("https://fonts.googleapis.com/css2?family=Pixelify+Sans&family=Roboto:wght@100;300;700&display=swap");

body {
  font-family: "Roboto", sans-serif;
  padding: 0;
  margin: 0;
}

.gradientAnimation {
  background: linear-gradient(270deg, #00bb0c, #178a00);
  background-size: 400% 400%;

  -webkit-animation: AnimationName 6s ease infinite;
  -moz-animation: AnimationName 6s ease infinite;
  -o-animation: AnimationName 6s ease infinite;
  animation: AnimationName 6s ease infinite;
}

@-webkit-keyframes AnimationName {
  0% {
    background-position: 0% 51%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 51%;
  }
}
@-moz-keyframes AnimationName {
  0% {
    background-position: 0% 51%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 51%;
  }
}
@-o-keyframes AnimationName {
  0% {
    background-position: 0% 51%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 51%;
  }
}
@keyframes AnimationName {
  0% {
    background-position: 0% 51%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 51%;
  }
}

img {
  width: 100%;
}
.hero {
  max-width: 100vw;
  min-height: 100vh;
  display: flex;
  overflow: hidden;
}
.hero__desc {
  font-size: 25px;
}
.hero__card {
  width: 40vw;
  min-width: 400px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero__title {
  font-size: 50px;
  margin: 0px;
  font-style: normal;
}
a {
  text-decoration: none;
}
.hero__bg {
  width: 100vw;
  max-width: 100%;
  height: 100%;
  position: absolute;
  right: 0;
  top: 0;
  z-index: -1;
  filter: opacity(0.2);
}
.hero__img {
  max-width: 300px;
}

.githubLink {
  background-image: url("github-icon.svg");
  background-position: center;
  background-size: contain;
  filter: contrast(0);
  width: 60px;
  height: 60px;
  cursor: pointer;
  display: block;
  position: fixed;
  top: 10px;
  right: 10px;
}
.btn {
  width: 100%;
  max-width: 300px;
  padding: 5px 0px;
  margin: 10px 0;
  cursor: pointer;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0px 10px 10px rgba(0, 0, 0, 0.1);
  text-align: center;
  font-family: "Pixelify Sans", sans-serif;
  color: black;
  border: 5px solid black;
  background-color: white;
  font-weight: bold;
  font-size: 40px;
  border-radius: 50px;
  position: relative;
  overflow: hidden;
  border-style: dashed;
}
.btn__spacer {
  flex-grow: 1;
}
.btn:hover {
  background-color: black;
  color: white;
}
.btn--brightOnHover:hover {
  filter: brightness(1.2);
}
.btn--green {
  background-color: var(--green);
}

:root {
  --invader-size: 30px;
}

.spaceInvader {
  display: inline-block;
  position: relative;
}
.spaceInvader__character {
  position: absolute;
  animation: spaceInvader 6s linear infinite;
  height: var(--invader-size);
  width: var(--invader-size);
}
.spaceInvader__svg {
  position: absolute;
  margin: 0;
  padding: 0;
  left: 0;
  width: var(--invader-size);
  height: var(--invader-size);
}
.spaceInvader__bullet {
  width: 5px;
  height: 8px;
  position: absolute;
  background-color: black;
  animation: fireBullet 2.5s linear infinite;
  right: 0;
  left: 0;
  margin: 0 auto;
}
@keyframes fireBullet {
  0% {
    top: 100%;
    opacity: 0%;
  }
  70% {
    top: -100px;
    opacity: 100%;
  }
  100% {
    top: -100px;
  }
}
@keyframes spaceInvader {
  0% {
    left: 0%;
  }
  50% {
    left: calc(100% - var(--invader-size));
  }
  100% {
    left: 0%;
  }
}
@media screen and (max-width: 600px) {
  .hero__card {
    padding: 0;
    border: 0px;
    min-height: 60vh;
  }
  .hero {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
  }

  .hero__desc {
    font-size: 19px;
  }
  .hero__bg {
    left: 0;
  }
  .btn {
    font-size: 40px;
    margin: 10px auto;
  }
  .hero__card {
    max-width: unset;
    min-width: unset;
    width: unset;
    text-align: center;
    background-color: unset;
    padding: 20px;
    border-radius: 5px;
  }
}