.btn-main-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/*************/
/* Variables */
/*************/

.btn-container {
  display: flex;
  gap: 1.5rem;
  --pupil-color: #5965E3;
  --pupil-move: 20%; 
}
.btn-button {
  --back-color: #fff;
}
.btn-lid {
  --back-color: transparent;
}

/**********/
/* Styles */
/**********/

/* Container */
.btn-container {
  position: relative;
}

/* Button */
.btn-button {
  background-color: #ffffff !important;
  border: 3px solid #000000 !important;
  border-radius: 10rem;
  cursor: pointer;
  padding: 2rem;
  position: relative;
  z-index: 100;
}


.btn-button:hover,
.btn-button:hover .btn-lid {
  animation: squint 100ms forwards;
}


.btn-button:active .btn-pupil {
  animation: agitate 100ms infinite 500ms;
  border-width: 0.5rem;
  padding: 1rem;
}

.btn-lid {
  border-radius: 10rem;
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  width: 100%;
  z-index: 101;
}

.btn-pupil {
  background: #000;
  border: 0.8rem solid var(--pupil-color);
  border-radius: 10rem;
  padding: 0.7rem;
  transition: all 200ms ease-out;
}


/**************/
/* Animations */
/**************/

@keyframes agitate {
  0% {
    transform: scale(1.2) translate(0%, -10%);
  }

  25% {
    transform: scale(1.2) translate(-10%, 10%);
  }

  50% {
    transform: scale(1.2) translate(10%, -5%);
  }

  75% {
    transform: scale(1.2) translate(-10%, -5%);
  }

  100% {
    transform: scale(1.2) translate(10%, 10%);
  }
}

@keyframes squint {
  0% {
    background: var(--back-color);
  }

  25% {
    background: linear-gradient(
      0deg,
      #000 0% 9%,
      var(--back-color) 10% 90%,
      #000 91% 100%
    );
  }

  50% {
    background: linear-gradient(
      0deg,
      #000 0% 18%,
      var(--back-color) 19% 81%,
      #000 82% 100%
    );
  }

  75% {
    background: linear-gradient(
      0deg,
      #000 0% 27%,
      var(--back-color) 28% 72%,
      #000 73% 100%
    );
  }

  100% {
    background: linear-gradient(
      0deg,
      #000 0% 35%,
      var(--back-color) 36% 64%,
      #000 65% 100%
    );
  }
}

@media (max-width: 1024px) {
  .btn-container {
    gap: 0.6rem;
  }

  .btn-button {
    padding: 0.8rem;
  }

  .btn-pupil {
    padding: 0.5rem;
    border-width: 0.4rem;
  }
}