@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap");

:root {
  --navbar-color: #14171a;
  --logo-color: #e1e8ed;
  --secondary-color: #6563ff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background: url("./images/background.jpg");
  background-size: cover;
  background-position: center;
}

/* NavBar */
.header {
  position: sticky;
  top: 0;
  width: 100%;
  box-shadow: 0 4px 20px hsla(207, 24%, 35%, 0.1);
  background-color: var(--navbar-color);
  z-index: 99;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 30px;
}

.logo a {
  font-size: 22px;
  font-weight: bold;
  color: var(--logo-color);
  text-decoration: none;
  list-style: none;
}

.logo a i {
  color: var(--secondary-color);
}

.logo a span {
  color: var(--secondary-color);
}

.body__container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 72vh;
}

.wrapper {
  padding: 25px;
  border-radius: 10px;
  background: #f8f8f8;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(30px);
  border: 2px solid rgba(255, 255, 255, 0.2);
  box-shadow: 7px 7px 20px rgba(0, 0, 0, 0.4);
}

.cards,
.card,
.view {
  display: flex;
  align-items: center;
  justify-content: center;
}

.cards {
  height: 400px;
  width: 400px;
  flex-wrap: wrap;
  justify-content: space-between;
}

.cards .card {
  cursor: pointer;
  list-style: none;
  user-select: none;
  position: relative;
  perspective: 1000px;
  transform-style: preserve-3d;
  height: calc(100% / 4 - 10px);
  width: calc(100% / 4 - 10px);
  border-radius: 5px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 7px 7px 20px rgba(0, 0, 0, 0.05);
}

.card.shake {
  animation: shake 0.35s ease-in-out;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  20% {
    transform: translateX(-13px);
  }
  40% {
    transform: translateX(13px);
  }
  60% {
    transform: translateX(-8px);
  }
  80% {
    transform: translateX(8px);
  }
}

.card .view {
  width: 100%;
  height: 100%;
  position: absolute;
  border-radius: 7px;
  background: transparent;
  pointer-events: none;
  backface-visibility: hidden;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.25s linear;
}

.card .front-view img {
  width: 19px;
}

.card .back-view img {
  max-width: 45px;
}

.card .back-view {
  transform: rotateY(-180deg);
}

.card.flip .back-view {
  transform: rotateY(0);
}

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

/* Footer */

footer {
  position: absolute;
  left: 0;
  right: 0;
  height: auto;
  width: 100vw;
  height: auto;
  padding-top: 40px;
  color: #fff;
  background: var(--navbar-color);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
}
.footer-content h3 {
  font-size: 1.8rem;
  font-weight: 500;
  text-transform: capitalize;
  line-height: 3rem;
}

.footer-content h3 span {
  color: var(--secondary-color);
}

.footer-content p {
  max-width: 500px;
  margin: 10px auto;
  line-height: 28px;
  font-size: 14px;
  color: #cacdd2;
}
.socials {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 1rem 0 3rem 0;
}
.socials li {
  margin: 0 10px;
}
.socials a {
  text-decoration: none;
  color: #fff;
  padding: 5px;
}
.socials a i {
  font-size: 1.5rem;
  width: 20px;

  transition: color 0.4s ease;
}
.socials a:hover i {
  color: var(--secondary-color);
}

@media screen and (max-width: 700px) {
  .cards {
    height: 350px;
    width: 350px;
  }
  .card .front-view img {
    width: 17px;
  }
  .card .back-view img {
    max-width: 40px;
  }
}

@media screen and (max-width: 530px) {
  .cards {
    height: 300px;
    width: 300px;
  }
  .card .front-view img {
    width: 15px;
  }
  .card .back-view img {
    max-width: 35px;
  }
}