* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
  font-family: "Signika Negative", sans-serif;
}

html {
  font-size: 62.5%;
}

.container {
  width: 100%;
  height: 100vh;
  background-color: #161a1d;
  display: flex;
  justify-content: center;
  align-items: center;
}

.glowing-btn {
  width: 45rem;
  height: 12rem;
  background: none;
  border: 0.7rem solid rgb(201, 24, 74);
  border-radius: 2rem;
  color: rgb(201, 24, 74);
  font-size: 7rem;
  letter-spacing: 2.5rem;
  box-shadow: inset 0 0 3rem rgb(201, 24, 74);
  padding-left: 2.5rem;
  cursor: pointer;
  position: relative;
  perspective: 6rem;
  transition: all 0.3s;
  animation: borderAnim 2s linear infinite;
}

.glowing-btn:hover {
  background: rgb(201, 24, 74);
  color: #27292b;
  animation: none;
}

@keyframes borderAnim {
  0% {
    opacity: 0.1;
  }
  2% {
    opacity: 1;
  }
  4% {
    opacity: 0.1;
  }

  8% {
    opacity: 1;
  }
  70% {
    opacity: 0.7;
  }
  100% {
    opacity: 1;
  }
}

.glowing-btn::before {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  box-shadow: 0 0 6rem rgb(201, 24, 74);
  /* z-index: -1; */
  transition: all 0.3s;
}

.glowing-btn:hover::before {
  box-shadow: 0 0 15rem rgb(201, 24, 74);
}

.glowing-btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 100%;
  height: 100%;
  opacity: 0.7;
  filter: blur(3rem);
  transform: translate(-50%, 130%) rotateX(45deg) scale(1, 0.35);
  background: rgb(201, 24, 74);
  pointer-events: none;
  transition: all 0.3s;
}

.glowing-btn:hover::after {
  width: 120%;
  height: 120%;
  transform: translate(-50%, 110%) rotateX(45deg) scale(1, 0.35);
  filter: blur(5rem);
}

.glowing-text {
  text-shadow: 0 0 1rem rgba(201, 24, 74, 0.7), 0 0 1rem rgba(201, 24, 74, 0.7);
  animation: textAnim 3s linear infinite;
}

.glowing-btn:hover .glowing-text {
  animation: none;
}

@keyframes textAnim {
  0% {
    opacity: 0.1;
  }

  2% {
    opacity: 1;
  }

  8% {
    opacity: 0.1;
  }

  9% {
    opacity: 1;
  }

  12% {
    opacity: 0.1;
  }

  20% {
    opacity: 1;
  }

  25% {
    opacity: 0.3;
  }

  30% {
    opacity: 1;
  }

  70% {
    opacity: 0.7;
  }

  72% {
    opacity: 0.2;
  }

  77% {
    opacity: 0.9;
  }

  100% {
    opacity: 0.9;
  }
}