:root {
    --background-color: #003461;
    --text-color: #e6f4f1;
    --popup-color: #004b7c;
    --shadow: #DB93F2;
}


html,
body {
    margin: 0;
    padding: 0;
    font-family: 'Amatic SC', cursive;
    font-size: 30px;
    font-weight: 800;
    background-color: var(--background-color);
    background-image: url('img/background.png');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    color: var(--text-color);

    max-width: 100%;
    overflow-x: hidden;

}

.page {
    width: 100vw;
    height: 100vh;
}

/*----loader------*/


.loader {
  z-index: 100;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--popup-color);
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
  flex-direction: column;
}

.loader p {
  font-size: 15px;
}

.loading {
  width: 15vw;
  height: 15vh;
  background-image: url(img/loader.png);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  animation: rotating 1s linear infinite;
}

@keyframes rotating {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(-359deg);
  }
}

.loaded .loader {
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s 1s ease-out;
}


 /*-------styling-----*/


.start-inner {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
}

.attention {
    fill: var(--text-color);
    animation: moving 1.5s linear infinite;
}

.attention2 {
    fill: var(--text-color);
    animation-delay: 200ms;
    animation: moving2 1.5s linear infinite;
}


  @keyframes moving {
    0% {
      opacity: 1;
    }
    50% {
      opacity: 1;
    }
    100% {
      transform: translate(10px, 0px);
      opacity: 0;
    }
  }

  @keyframes moving2 {
    0% {
      opacity: 1;
    }
    50% {
      opacity: 1;
    }
    100% {
      transform: translate(-10px, 0px);
      opacity: 0;
    }
  }
  
  
  

.start-box {
    position: absolute;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    margin-top: 45vh;
    width: 100%;
    text-align: center;
}

.start-button {
    font-family: 'Indie Flower', cursive;
    text-decoration: none;
    color: var(--text-color);
    transition: 0.5s ease-in-out;
    margin-left: 20px;
    margin-right: 20px;
}

.start-button:hover {
    font-size: 60px;
    font-weight: 800;
    letter-spacing: 10px;
    cursor: pointer;
}

.congrats-text span {
    font-family: 'Palette Mosaic', cursive;
}

.ufo {
    position: absolute;
    width: 20%;
    right: 20%;
    top: 30%;
    transform: rotate(10deg);
    animation: spaceship 6s linear infinite;
}

@keyframes spaceship {
    0% {
        transform: translate(0px, 0px) rotate(0deg);  
    }
 
    25% {
        transform: translate(0px, 20px) rotate(10deg);
    }
 
    50% {
        transform: translate(0px, 40px) rotate(0deg);
    }

    75% {
        transform: translate(0px, 20px) rotate(-10deg);

    }
    100% {
        transform: translate(0px, 0px) rotate(0deg);
    }

}


.outer-box {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
}

.card-wrap {
  height: 70vh;
  width: 50vw;
  display: grid;
  grid-template-columns: auto auto auto;
  column-gap: -10px;
  row-gap: -10px;
}


.card {
  width: 60%;
  height: 55%;
  margin: 5px auto;
  position: relative;
  justify-content: center;
  align-items: center;
  transform-style: preserve-3d;
  transition: transform .5s ease-in-out;
}

.card:hover {
  transform: scale(1.1);
  cursor: pointer;
}

.card.flip {
  transform: rotateY(180deg);
}

.front,
.back{
  width: 100%;
  position: absolute;
  backface-visibility: hidden;
}

.front {
  transform: rotateY(180deg);
}

.congrats-pop {
    position: absolute;
    width: 100vw;
    height: 100vh;
    z-index: 9;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    visibility: hidden;
    opacity: 0;
}

.congrats-popup {
    z-index: 10;
    height: 20%;
    width: 20%;
    position: absolute;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    background-color: var(--popup-color);
    border-radius: 20px;
    box-shadow: 10px 10px 0px var(--shadow);
}

.thumbs-up {
    z-index: 11;
    width: 50%;
    position: absolute;
    margin-left: 70%;
    margin-top: -70%;
    animation: thumbs 2s linear infinite;
}

@keyframes thumbs {
    0% {
        transform: rotate(0deg);
    }
    
    25% {
        transform: rotate(10deg);
    }

    50% {
        transform: rotate(0deg);
    }

    75% {
        transform: rotate(-10deg);
    }

    100% {
        transform: rotate(0deg);
    }
}

.congrats-text {
    z-index: 12;
}

.reset-button {
    z-index: 12;
    font-family: 'Indie Flower', cursive;
    text-decoration: none;
    border: none;
    background: none;
    margin: 0 auto;
    margin-top: -15px;
    transition: 0.5s ease-in-out;
    color: var(--text-color);
}

.reset-button:hover {
    font-size: 30px;
    font-weight: 800;
    letter-spacing: 10px;
    cursor: pointer;
}

.visible {
    transform: 2s ease-in;
    opacity: 1;
    visibility: visible;
}

.timer {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  top: 70%;
  left: 20%;
  width: 10vw;
  height: 15vh;
  z-index: 5;
  transition: 1s ease-in-out;
}

.timer-img {
  width: 90%;
  transform: rotate(10deg);
  position: absolute;
  z-index: 6;
}

.numbers {
  z-index: 7;
  color: var(--background-color);
}

.large {
  width: 20vw;
  height: 25vh;
  font-size: 60px;
  top: 60%;
}

.pair-count {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-self: center;
  margin: 0 auto;
  text-align: center;
  position: absolute;
  top: 0;
  width: 100vw;
}

.pair-count p {
  margin-right: 20px;
}


@media only screen and (max-width: 1000px) {

  .start-box {
    margin-top: 35vh;
  }

  .card-wrap {
    width: 80vw;
    height: 70vh;
  }

  .congrats-popup {
    height: 30%;
    width: 30%;
  }

  .thumbs-up {
    margin-top: -100%;
  }

  .large {
    width: 30vw;
    height: 35vh;
  }

  .timer {
    left: 5%;
    width: 20vw;
    height: 15vh;
    top: 80%;
  }

}

@media only screen and (max-width: 400px) {

  .start-box {
    margin-top: 30vh;
  }


  .card-wrap {
    width: 90vw;
    height: 85vh;
  }

  .card {
    width: 80%;
    height: 70%;
  }

  .congrats-popup {
    height: 35%;
    width: 50%;
  }

  .thumbs-up {
    margin-top: -120%;
  }

  .timer {
    left: 5%;
    top: 83%;
    width: 30vw;
    height: 25vh;
    font-size: 20px;
  }

  .large {
    font-size: 40px;
    width: 50vw;
    top: 65%;
  }

  .pair-count p {
    font-size: 20px;
  }

}