:root {
  --white: #ffffff;
  --light-gray-violet: #dedddf;
  --dark-gray-violet: #8e8593;
  --very-dark-violet: #21092f;

  --font-color: var(--very-dark-violet);
  --page-background: var(--white);
  --placeholder-color: var(--dark-gray-violet);
  --input-border-color: var(--light-gray-violet);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.5;
  color: var(--font-color);
  background-color: var(--page-background);
}

.loader img {
  width: 50px;
  height: 50px;
}

.card-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  justify-content: flex-start;
  align-items: center;
}

.error-msg {
  color: red;
  font-size: 12px;
  margin-top: 5px;
  height: 25px;
}

.error {
  border: 1px solid red;
}

.bg-image {
  position: relative;
  width: 400px;
}

/* Card front */
.card-front {
  position: absolute;
  top: 100px;
  right: -200px;
  z-index: 2;
}

/* Card back side */
.card-back {
  position: absolute;
  top: 400px;
  right: -300px;
  z-index: 1;
}

/* Card front and back pages have same width */
.card-front img,
.card-back img {
  width: 100%;
}

.card-front-content {
  position: absolute;
  top: 15%;
  left: 5%;
  z-index: 2;
  color: var(--white);
  width: 85%;
}

.card-front-content img {
  width: 55px;
}

.card-front-content p {
  padding-top: 45px;
  padding-bottom: 20px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 18px;
  letter-spacing: 2px;
}

.card-front-content span {
  font-family: "Space Grotesk", sans-serif;
  font-size: 18px;
  letter-spacing: 2px;
}

.card-front-content .xxx {
  display: flex;
  justify-content: space-between;
}

card-front-content img {
  width: 250px;
}

.card-back-content {
  position: absolute;
  top: 42%;
  right: 12%;
  z-index: 2;
  font-family: "Space Grotesk", sans-serif;
  font-size: 18px;
  letter-spacing: 2px;
}

/* Form */
form {
  width: 100%;
  max-width: 500px;
  padding: 20px;
}

label {
  display: block;
  margin-top: 4px;
  margin-bottom: 4px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: var(--font-color);
  text-transform: uppercase;
  letter-spacing: 1px;
}

input {
  width: 80%;
  height: 50px;
  padding: 0 5px;
  border: 1px solid var(--input-border-color);
  border-radius: 5px;
  font-family: "Space Grotesk", sans-serif !important;
  font-weight: 500;
  color: var(--font-color);
  background-color: var(--background);
  transition: border-color 0.3s ease-in-out;
  letter-spacing: 2px;
  font-size: 18px;
}

.expiry-date-cvv {
  width: 80%;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

#card-expiry-month,
#card-expiry-year {
  width: 45%;
  text-align: center;
}

#card-cvc {
  width: 100%;
}

button {
  width: 80%;
  height: 50px;
  border: none;
  border-radius: 5px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  background-color: var(--very-dark-violet);
  cursor: pointer;
  transition: background-color 0.3s ease-in-out;
  margin-top: 10px;
}

.feedback {
  width: 50%;
  text-align: center;
  font-family: "Space Grotesk", sans-serif;
  margin-right: 100px;
}

.feedback h1 {
  font-weight: 200;
  letter-spacing: 2px;
}

.feedback p {
  color: var(--dark-gray-violet);
}

/* Small screens */
@media (max-width: 576px) {
  .card-container {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .bg-image {
    position: relative;
    width: 100%;
    padding-right: 0;
  }

  .bg-image-mobile,
  .bg-image-default {
    width: 100%;
    position: relative;
  }

  .card-front {
    position: absolute;
    width: 80%;
    top: 50%;
    right: 15vw;
    z-index: 2;
  }

  .card-back {
    position: absolute;
    width: 80%;
    top: 6%;
    right: 3vw;
    z-index: 1;
  }

  /* Card front and back pages have same width */
  .card-front img,
  .card-back img {
    width: 100%;
  }

  .card-front-content {
    position: absolute;
    top: 15%;
    left: 5%;
    z-index: 2;
    color: var(--white);
    width: 85%;
  }

  .card-front-content img {
    width: 55px;
  }

  .card-front-content p {
    padding-top: 50px;
    padding-bottom: 10px;
    font-family: "Space Grotesk", sans-serif;
    font-size: 14px;
    letter-spacing: 2px;
  }

  .card-front-content span {
    font-family: "Space Grotesk", sans-serif;
    font-size: 14px;
    letter-spacing: 2px;
  }

  .card-front-content .xxx {
    display: flex;
    justify-content: space-between;
  }

  .card-back-content {
    position: absolute;
    top: 41%;
    right: 12%;
    z-index: 2;
    font-family: "Space Grotesk", sans-serif;
    font-size: 14px;
    letter-spacing: 2px;
  }

  input {
    width: 100%;
  }

  button {
    width: 100%;
  }

  .expiry-date-cvv {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  #card-expiry-month,
  #card-expiry-year {
    width: 45%;
    text-align: center;
  }

  #card-cvc {
    width: 100%;
  }

  .feedback {
    margin-top: 100px;
    width: 100%;
    padding: 0 20px;
  }

  .feedback > * {
    margin-bottom: 10px;
  }

  .attribution {
    display: none;
  }
}

.attribution {
  font-size: 11px;
  text-align: center;
}
.attribution a {
  color: hsl(228, 45%, 44%);
}

/* ------------------------ */
/* Tablets */
/* ------------------------ */
@media (min-width: 576px) and (max-width: 1245px) {
  .card-container {
    max-width: 576px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
  }

  .bg-image {
    position: relative;
    width: 576px;
    padding-right: 0;
  }

  .bg-image-default {
    position: relative;
    width: 100%;
    padding-right: 0;
  }

  .card-front {
    position: absolute;
    width: 80%;
    top: 50%;
    right: 10vw;
    z-index: 2;
  }

  .card-back {
    position: absolute;
    width: 80%;
    top: 6%;
    right: 3vw;
    z-index: 1;
  }

  .card-form {
    margin-top: 70px;
  }

  .feedback {
    margin-top: 150px;
  }

  .attribution {
    display: none;
  }
}

.attribution {
  font-size: 11px;
  text-align: center;
}
.attribution a {
  color: hsl(228, 45%, 44%);
}