:root {
  --bg-color: hsl(49 37% 94%);
  --typeSpeed: 4s;
  --characters: 35;
}

*,
*::after,
*::before {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inconsolata, monospace;
  min-height: 100vh;
  display: grid;
  place-content: center;
  place-items: center;
  text-align: center;
  background: var(--bg-color);
}

a {
  text-decoration: none;
  color: black;
}

#indexButton {
  padding: 0.8rem;
  border: none;
  border-radius: 1.25rem;
  background: #5cb85c;
  width: max-content;
  color: hsl(0, 0%, 0% / 0.7);
  font-size: 2.8rem;
  font-weight: 300;
  margin-top: 2rem;
  opacity: 0;
  transform: translateY(3rem);
  animation: fade 2s ease calc(var(--typeSpeed) + 1.5s) forwards;
}

h1 {
  font-size: 4rem;
  font-weight: 600;
  position: relative;
  width: max-content;
}

h1::before,
h1::after {
  position: absolute;
  content: "";
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
}

h1::before {
  background: var(--bg-color);
  animation: typewriter var(--typeSpeed) steps(var(--characters)) 1s forwards;
}

h1::after {
  width: 0.125em;
  background: black;
  animation: typewriter var(--typeSpeed) steps(var(--characters)) 1s forwards,
    blink 700ms steps(var(--characters)) infinite;
}

@keyframes typewriter {
  to {
    left: 100%;
  }
}

@keyframes blink {
  to {
    background: transparent;
  }
}

@keyframes fade {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media screen and (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  #indexButton {
    font-size: 1.25rem;
    padding: 0.5rem;
    border-radius: 0.9rem;
    margin-top: 1rem;
  }
}

@media screen and (max-width: 425px) {
  h1 {
    font-size: 1.2rem;
  }

  #indexButton {
    font-size: 0.9rem;
    padding: 0.4rem;
    border-radius: 0.7rem;
    margin: 0.75rem;
  }
}