header {
  margin-top: 20px;
  transition: filter 0.3s;
  animation: headerShowing 1s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.2s
    forwards;
  opacity: 0;
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 50vh;
  position: relative;
}

header::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 0;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  pointer-events: none;
  background: white;
  box-shadow:
    80px 12px 0 1px rgba(255, 255, 255, 0.9),
    150px 35px 0 0.5px rgba(255, 255, 255, 0.6),
    240px 10px 0 1px rgba(255, 255, 255, 0.8),
    320px 28px 0 0.5px rgba(255, 255, 255, 0.7),
    410px 8px 0 1px rgba(255, 255, 255, 0.9),
    500px 20px 0 1px rgba(255, 255, 255, 0.6),
    580px 38px 0 0.5px rgba(255, 255, 255, 0.8),
    660px 14px 0 1px rgba(255, 255, 255, 0.7),
    750px 30px 0 0.5px rgba(255, 255, 255, 0.9),
    840px 10px 0 1px rgba(255, 255, 255, 0.6),
    920px 42px 0 0.5px rgba(255, 255, 255, 0.8),
    1010px 18px 0 1px rgba(255, 255, 255, 0.7),
    1100px 8px 0 1px rgba(255, 255, 255, 0.9),
    1180px 33px 0 0.5px rgba(255, 255, 255, 0.6),
    200px 55px 0 0.5px rgba(255, 255, 255, 0.5),
    450px 50px 0 1px rgba(255, 255, 255, 0.6),
    700px 58px 0 0.5px rgba(255, 255, 255, 0.5),
    950px 52px 0 1px rgba(255, 255, 255, 0.7);
}
header img {
  margin-top: 20px;
  width: 200px;
  box-shadow: 0 0 15px rgb(255, 255, 255, 0.1);
}

.info {
  padding: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 0px;
  margin-bottom: 20px;
}
h1 {
  color: rgb(184, 155, 191);
  font-size: 50px;
}
header p {
  color: rgb(193, 237, 171);
  margin-bottom: 20px;
}
header div hr {
  color: rgb(73, 75, 90);
  width: 100%;

  margin: 0 25%;
}

main {
  width: 100vw;
  transition: filter 0.3s;
}

@keyframes headerShowing {
  0% {
    opacity: 0;
    transform: scale(0.2);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.my-desc {
  width: 400px;
  color: rgb(203, 189, 237);
  margin-top: 10px;
}

.circle-arrow {
  cursor: pointer;
  display: block;
  margin-left: 45%;
}
.circle-arrow:hover .arrow-gif {
  box-shadow: 0 0 20px rgb(255, 255, 255, 0.7);
}

.arrow-gif {
  width: 50px;
  border-radius: 100%;
}

.moon-animation {
  position: absolute;
  top: 20px;
  right: 160px;
  width: 100px;
  opacity: 0.85;
  pointer-events: none;
}

.sleeping-star {
  position: absolute;
  pointer-events: none;
  opacity: 0.8;
  border-radius: 50%;
}

/* Three stars on the left/top area */
.star-1 {
  width: 38px;
  top: 55px;
  left: 80px;
}
.star-2 {
  width: 30px;
  top: 30px;
  left: 220px;
}
.star-3 {
  width: 34px;
  top: 70px;
  left: 380px;
}

/* Extra star close to the moon (right side) */
.star-moon {
  width: 32px;
  top: 50;
  right: 30px;
}

.arrow-gif.is-swinging {
  animation: arrowAttentionSwing 0.8s ease-in-out;
}

@keyframes arrowAttentionSwing {
  0% {
    transform: translateY(0);
  }
  20% {
    transform: translateY(-16px);
  }
  40% {
    transform: translateY(0);
  }
  60% {
    transform: translateY(-10px);
  }
  80% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(0);
  }
}