* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  font-size: 15px;
}
body {
  background: #f7f7ff;
  font-family: "Montserrat", sans-serif;
  width: 80%;
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
}
header {
  color: hsl(233, 13%, 49%);
  margin: 3.3rem 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.toggle {
  margin-top: 2rem;
  color: hsl(234, 14%, 74%);
  display: flex;
  align-items: center;
}
.toggle-btn {
  margin: 0 1rem;
}
.checkbox {
  display: none;
}

.sub {
  background: linear-gradient(
    135deg,
    rgba(163, 168, 240, 1) 0%,
    rgba(105, 111, 221, 1) 100%
  );
  display: flex;
  justify-content: flex-start;
  align-items: center;
  /* height: 25px;
  width: 50px; */
  height: 1.6rem;
  width: 3.3rem;
  border-radius: 1.6rem;
  padding: 0.3rem;
}
.circle {
  background-color: #fff;
  height: 1.4rem;
  width: 1.4rem;
  border-radius: 50%;
}
.checkbox:checked + .sub {
  justify-content: flex-end;
}

.cards {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.card {
  background: #fff;
  color: hsl(233, 13%, 49%);
  border-radius: 0.8rem;
}

.cards .card.active {
  background: linear-gradient(
    135deg,
    rgba(163, 168, 240, 1) 0%,
    rgba(105, 111, 221, 1) 100%
  );
  color: #fff;
  display: flex;
  align-items: center;
  transform: scale(1.1);
  z-index: 1;
}
ul {
  margin: 2.6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
}
ul li {
  list-style-type: none;
  display: flex;
  justify-content: center;
  width: 100%;
  padding: 1rem 0;
}
ul li.price {
  font-size: 3rem;
  color: hsl(232, 13%, 33%);
  padding-bottom: 2rem;
}
.shadow {
  box-shadow: -5px 5px 15px 1px rgba(0, 0, 0, 0.1);
}

.card.active .price {
  color: #fff;
}

.btn {
  margin-top: 1rem;
  height: 2.6rem;
  width: 13.3rem;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 4px;
  background: linear-gradient(
    135deg,
    rgba(163, 168, 240, 1) 0%,
    rgba(105, 111, 221, 1) 100%
  );
  color: #fff;
  outline: none;
  border: 0;
  font-weight: bold;
}
.active-btn {
  background: #fff;
  color: hsl(237, 63%, 64%);
}
.bottom-bar {
  border-bottom: 2px solid hsla(240, 8%, 85%, 0.582);
}
.card.active .bottom-bar {
  border-bottom: 2px solid hsla(240, 8%, 85%, 0.253);
}
.pack {
  font-size: 1.1rem;
}

@media (max-width: 280px) {
  ul {
    margin: 1rem;
  }
  h1 {
    font-size: 1.2rem;
  }
  .toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    height: 80px;
  }
  .cards {
    margin: 0;
    display: flex;
    flex-direction: column;
  }

  .card {
    transform: scale(0.8);
    margin-bottom: 1rem;
  }
  .cards .card.active {
    transform: scale(0.8);
  }
}

@media (min-width: 280px) and (max-width: 320px) {
  ul {
    margin: 20px;
  }
  .cards {
    display: flex;
    flex-direction: column;
  }
  .card {
    margin-bottom: 1rem;
  }
  .cards .card.active {
    transform: scale(1);
  }
}

@media (min-width: 320px) and (max-width: 414px) {
  .cards {
    display: flex;
    flex-direction: column;
  }
  .card {
    margin-bottom: 1rem;
  }
  .cards .card.active {
    transform: scale(1);
  }
}
@media (min-width: 414px) and (max-width: 768px) {
  .card {
    margin-bottom: 1rem;
    margin-right: 1rem;
  }
  .cards .card.active {
    transform: scale(1);
  }
}
@media (min-width: 768px) and (max-width: 1046px) {
  .cards {
    display: flex;
  }
  .card {
    margin-bottom: 1rem;
    margin-right: 1rem;
  }
  .cards .card.active {
    transform: scale(1);
  }
}