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

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

body {
  --red: hsl(0, 100%, 74%);
  --green: hsl(154, 59%, 51%);
  --blue: hsl(248, 32%, 49%);
  --white: hsl(420, 69%, 100%);
  --darkBlue: hsl(249, 10%, 26%);
  --grayBlue: hsl(246, 25%, 77%);
  --grey: hsl(0, 0%, 87%);
  --borderRadius: 10px;

  background-color: var(--red);
  background-image: url('./images/bg-intro-mobile.png');
  font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--white);
  text-align: center;
  min-height: 100vh;
}

header {
  padding: 5.75rem 1.5rem 4rem;
}

h1 {
  font-size: 1.75rem;
  line-height: 2.25rem;
  letter-spacing: -0.29px;
  padding-bottom: 1.3rem;
  font-weight: 700;
}

header p {
  font-size: 1rem;
  line-height: 1.625rem;
  font-weight: 500;
}

main {
  padding: 0 1.5rem 2rem;
  display: grid;
  grid-template-columns: 1fr;
  grid-gap: 1.5rem;
}

main aside {
  background-color: var(--blue);
  border-radius: var(--borderRadius);
  padding: 1rem;
  box-shadow: 0 8px 0 0 rgba(0, 0, 0, 0.1469);
}

main aside p {
  width: 60%;
  margin: 0 auto;
  font-size: 0.9375rem;
  line-height: 1.75rem;
  letter-spacing: 0.27px;
}

main form {
  background-color: var(--white);
  padding: 1.5rem;
  border-radius: var(--borderRadius);
  box-shadow: 0 8px 0 0 rgba(0, 0, 0, 0.1469);
}

main form input,
main form button {
  width: 100%;
  padding: 0.9375rem 1.25rem;
  border: 1px solid var(--grey);
  border-radius: 5px;
  font-size: 0.875rem;
  line-height: 1.625rem;
  letter-spacing: 0.25px;
  font-weight: 600;
  color: var(--darkBlue);
}

.input-group {
  padding-bottom: 1rem;
  position: relative;
}

.showError {
  border-color: var(--red);
  border-width: 2px;
  background-image: url('./images/icon-error.svg');
  background-size: 24px;
  background-repeat: no-repeat;
  background-position: 95% 16px;
}

.hide-error-msg {
  display: none;
}

.show-error-msg {
  display: block;
  color: var(--red);
  font-size: 0.6875rem;
  line-height: 1.0625rem;
  text-align: right;
  font-weight: 500;
  height: 1.0625rem;
}

::placeholder {
  font-size: 0.875rem;
  line-height: 1.625rem;
  letter-spacing: 0.25px;
  font-weight: 600;
}

main form button {
  background-color: var(--green);
  color: var(--white);
  border: none;
  letter-spacing: 1px;
  box-shadow: inset 0 -4px 0 0 rgba(0, 0, 0, 0.0909);
  padding-bottom: 0.5rem;
  cursor: pointer;
  text-transform: uppercase;
}

main form .tos {
  width: 90%;
  margin: 0 auto;
  font-size: 0.6875rem;
  line-height: 1.3125rem;
  font-weight: 500;
  color: hsl(246, 25%, 77%);
}

main form .tos a {
  font-weight: 700;
  color: var(--red);
  text-decoration: none;
}

.attribution {
  font-size: 11px;
  text-align: center;
}
.attribution a {
  color: var(--blue);
}

@media screen and (min-width: 48rem) {
  body {
    background-image: url('./images/bg-intro-desktop.png');
  }

  .container {
    padding: 4rem 3rem 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-gap: 2rem;
    align-items: start;
  }

  header {
    text-align: left;
    padding: 10.5rem 0 0;
  }

  h1 {
    font-size: 3.125rem;
    line-height: 3.4375rem;
    letter-spacing: -0.52px;
    padding-bottom: 2rem;
  }

  main {
    padding: 0;
  }

  main aside p {
    width: 100%;
    margin: 0;
  }

  main form {
    padding: 2.5rem;
  }

  .input-group {
    padding-bottom: 1.15rem;
  }

  main form input {
    padding-left: 1.8rem;
  }

  main form input:focus {
    outline-color: var(--blue);
    caret-color: var(--blue);
  }

  main form button {
    padding-bottom: 1rem;
    font-size: 0.9375rem;
    letter-spacing: 0.2px;
    margin-bottom: 0.75rem;
  }

  main form button:hover {
    background-color: hsl(154, 65%, 68%);
  }
}

@media screen and (min-width: 69rem) {
  .container {
    padding: 7.5rem 10.25rem 2rem;
  }
}