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

html {
  font-size: 48.5%;
}

body {
  font-family: "Rubik", sans-serif;
  font-weight: 400;
  line-height: 1.7;
  /* padding: 3rem; */
  box-sizing: border-box;
}

.nav {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  margin-bottom: 20px;
}
.nav-title {
  font-size: 4rem;
  padding-left: 20px;
}


.hp-title {
  max-width: 136rem;
  margin: 0 auto;
  font-size: 30px;
  padding-top: 20px;
}
.grids {
  max-width: 136rem;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-column-gap: 3rem;
  grid-row-gap: 3rem;
  padding-top: 30px;
  padding-bottom: 10px;
}

.card-one {
  grid-column: 1/4;
}

.card-two {
  grid-column: 1/4;
}

.card-three {
  grid-column: 1/4;
}

.card-four {
  grid-column: 1/4;
}

.card-five {
  grid-column: 1/4;
}

.card-six {
  grid-column: 1/4;
}

.card-seven {
  grid-column: 1/4;
}

.card {
  perspective: 150rem;
  -moz-perspective: 150rem;
  position: relative;
  height: 25rem;
  width: 100%;
  transition: all ease-in-out 400ms;
  cursor: pointer;
}

.card:hover {
  transform: scale(1.05);
}

.card:active {
  transform: translateY(-1px);
}

.card__side {
  transition: all 0.8s ease;
  color: white;
  font-size: 2rem;
  position: absolute;
  top: 0;
  left: 0;
  height: 25rem;
  width: 100%;
  backface-visibility: hidden;
  box-shadow: 2px 4px 16px rgba(0, 0, 0, 0.4);
  border-radius: 8px;
}

.card__side--front {
  background-color: #2196f3;
  position: relative;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.card__side--back {
  background-color: #303f9f;
  transform: rotateY(180deg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.showGreen {
  transform: rotateY(-180deg);
}

.showRed {
  transform: rotateY(0);
}

.text-box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  width: 100%;
}

.text-box-top {
  font-size: 2.2rem;
  text-shadow: 2px 2px 10px #0000006c;
  font-weight: 400;
}

.text-box-middle {
  font-size: 5.5rem;
  font-weight: 700;
  text-shadow: 2px 2px 10px #0000006c;
}

.text-box-lower {
  font-size: 2rem;
  text-shadow: 2px 2px 10px #0000006c;
  font-weight: 400;
}

.heading {
  transition: all 0.6s linear;
}

.hide {
  visibility: hidden;
  opacity: 0;
}

.show {
  visibility: visible;
  opacity: 1;
}

#front-1 {
  background-image: linear-gradient(
      rgba(204, 30, 88, 0.6),
      rgba(20, 20, 20, 0.6)
    ),
    url("../assets/images/1.jpg");
}

#front-2 {
  background-image: linear-gradient(
      rgba(31, 136, 168, 0.767),
      rgba(14, 46, 65, 0.9)
    ),
    url("../assets/images/2.jpg");
}

#front-3 {
  background-image: linear-gradient(
      rgba(84, 86, 175, 0.9),
      rgba(27, 27, 85, 0.9)
    ),
    url("../assets/images/3.avif");
}

#front-4 {
  background-image: linear-gradient(
      rgba(74, 190, 122, 0.767),
      rgba(6, 66, 48, 0.9)
    ),
    url("../assets/images/4.avif");
}

#front-5 {
  background-image: linear-gradient(
      rgba(128, 74, 190, 0.767),
      rgba(42, 6, 66, 0.9)
    ),
    url("../assets/images/5.jpg");
}

#front-6 {
  background-image: linear-gradient(
      rgba(214, 21, 86, 0.801),
      rgba(20, 20, 20, 0.6)
    ),
    url("../assets/images/6.avif");
}

/* #front-7 {
  background-image: linear-gradient(
      rgba(31, 136, 168, 0.767),
      rgba(14, 46, 65, 0.9)
    ),
    url("https://images.unsplash.com/photo-1520881363902-a0ff4e722963?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=800&q=80");
} */

/* Back */


@media screen and (min-width: 1024px) {
  html {
    font-size: 62.5%;
  }

  .hp-title {
    max-width: 136rem;
    margin: 0 auto;
  }
  .grids {
    max-width: 136rem;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-column-gap: 5rem;
    grid-row-gap: 6rem;
    padding-bottom: 40px;
  }

  .card-one {
    grid-column: 1/2;
  }

  .card-two {
    grid-column: 2/3;
  }

  .card-three {
    grid-column: 3/4;
  }

  .card-four {
    grid-column: 1/2;
  }

  .card-five {
    grid-column: 2/3;
  }

  .card-six {
    grid-column: 3/4;
  }

  .card-seven {
    grid-column: 2/4;
  }
}
footer {
  text-align: center;
}