@import url("https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&display=swap");

:root {
  /* Primary */
  --Red: hsl(4, 100%, 67%);
  /* Neutral */
  --Blue-800: hsl(234, 29%, 20%);
  --Blue-700: hsl(235, 18%, 26%);
  --Grey: hsl(0, 0%, 58%);
  --White: hsl(0, 0%, 100%);
}

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: hsl(235, 18%, 26%);
  font-family: "Roboto", sans-serif;
  color: var(--Blue-800);
  font-size: 13px;
}

.container {
  background-color: var(--White);
  display: flex;
  flex-direction: row;
  border-radius: 40px;
}
.text-section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 360px;
  margin-inline: 60px;
}
.title {
  font-size: 3.375rem;
  margin-bottom: 18px;
}
.description,
.list-text {
  font-size: 1rem;
}
.description {
  line-height: 1.5;
  margin-bottom: 26px;
}
.list-section {
  margin-bottom: 30px;
}
.list {
  display: flex;
  align-items: start;
  margin-bottom: 12px;
}
.list-icon {
  margin-right: 12px;
}
.list-text {
  line-height: 1.5;
}
form {
  position: relative;
}
label {
  font-weight: 700;
}
input {
  padding: 18px;
  border-radius: 10px;
  border: 1px solid var(--Grey);
  margin-top: 10px;
  margin-bottom: 24px;
  width: 370px;
  font-family: "Roboto", sans-serif;
  font-size: 1rem;
  cursor: pointer;
}
input::placeholder {
  font-family: "Roboto", sans-serif;
  font-size: 1rem;
}
input:invalid {
  border: 1px solid rgb(214, 88, 49);
  background-color: rgba(252, 105, 62, 0.1);
  color: rgb(252, 105, 62);
}
input:focus:invalid {
  outline: none;
}
.error {
}

.active {
  display: block;
  position: absolute;
  top: 0px;
  left: 255px;
  white-space: nowrap;
  color: rgb(252, 105, 62);
  font-weight: 500;
}

.subscribe-button {
  width: 370px;
  padding: 18px;
  background-color: var(--Blue-800);
  color: var(--White);
  font-family: "Roboto", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: 10px;
  cursor: pointer;
}
.subscribe-button:hover {
  /* https://www.w3schools.com/css/css3_gradients.asp */
  background-image: linear-gradient(to right, #ff5c6a, #fc693e);
  box-shadow: 0px 10px 30px rgba(255, 92, 106, 0.5);
}

.photo {
  object-fit: cover;
  margin: 24px 24px 21px;
}

/* Attribution */
.attribution {
  font-size: 11px;
  text-align: center;
  position: fixed;
  bottom: 10px;
  color: #aab2c4;
}
.attribution a {
  color: #9d8e72;
  font-size: 11px;
}

@media (max-width: 960px) {
  body {
    background-color: var(--White);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: start;
  }
  .container {
    width: 375px;
    background-color: var(--White);
    display: flex;
    flex-direction: column-reverse;
    border-radius: 0px;
  }

  .text-section {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 335px;
    margin-inline: 20px;
  }
  .title {
    font-size: 2.625rem;
    margin-top: 36px;
    margin-bottom: 18px;
  }
  input {
    padding: 18px;
    border-radius: 10px;
    border: 1px solid var(--Grey);
    margin-top: 10px;
    margin-bottom: 20px;
    width: 335px;
  }
  .active {
    display: block;
    position: absolute;
    top: 0px;
    left: 215px;
    white-space: nowrap;
    color: rgb(252, 105, 62);
    font-weight: 500;
  }
  .subscribe-button {
    width: 335px;
    padding: 18px;
    background-color: var(--Blue-800);
    color: var(--White);
    font-family: "Roboto", sans-serif;
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: 10px;
    margin-bottom: 40px;
  }

  .photo-container {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .photo {
    width: 375px;
    object-fit: cover;
    margin: 0px;
  }

  /* Attribution */
  .attribution {
    font-size: 11px;
    text-align: center;
    position: fixed;
    bottom: 10px;
    color: black;
  }
  .attribution a {
    color: hsl(228, 45%, 44%);
    font-size: 11px;
  }
}