:root {
  --red-one: hsl(0, 36%, 70%);
  --red-two: hsl(0, 93%, 68%);
  --gray: hsl(0, 6%, 24%);
}

body {
  margin: 0;
  padding: 0;
  max-width: 1920px;
  font-family: "Josefin Sans";
  background-color: #fff9f9;
  overflow-x: hidden;
}

img.desktop {
  display: none;
}

img.logo {
  width: 100%;
  max-width: 150px;
  margin-top: 30px;
  margin-left: 40px;
}

header {
  width: 100%;
  height: 100px;
  color: #ffffff;
}

img.mobile {
  width: 100%;
  display: block;
  margin: auto;
}

h1 {
  text-align: center;
  font-size: 50px;
  text-transform: uppercase;
  padding-left: 30px;
  padding-right: 30px;
  letter-spacing: 10px;
  font-weight: 600;
  color: var(--gray);
}

span {
  display: block;
  color: var(--red-one);
  font-weight: 300;
}

p {
  text-align: center;
  padding-left: 60px;
  padding-right: 60px;
  line-height: 1.7;
  color: var(--red-one);
  margin-bottom: 50px;
}

form {
  margin: auto;
  width: 350px;
}

input {
  padding: 20px 123px 20px 20px;
  border-radius: 30px;
  border: 1px solid var(--red-one);
  background-color: #fff9f9;
}

input::placeholder {
  color: var(--red-one);
  font-family: "Josefin Sans";
  font-size: 15px;
}

*:focus {
  outline: none;
}

button[type="submit"] {
  padding: 16px 30px 16px 30px;
  background-image: linear-gradient(135deg, hsl(0, 80%, 86%), hsl(0, 74%, 74%));
  border-radius: 30px;
  border: 1px solid var(--red-one);
  cursor: pointer;
  position: relative;
  top: -57px;
  left: 240px;
  transition: 1.5s;
}

button[type="submit"]:hover {
  opacity: 0.2;
}

input:user-invalid {
  border: 1px solid var(--red-two);
}
input:user-valid {
  border: 1px solid var(--red-one);
}

a {
  color: var(--red-two);
  text-decoration: none;
}

/** Media Queries **/

@media only screen and (min-width: 900px) {
  img.mobile {
    max-width: 700px;
  }
}

@media only screen and (min-width: 1200px) {
  body {
    background-image: url(images/bg-pattern-desktop.svg);
    background-size: cover;
    background-repeat: no-repeat;
  }
  main {
    display: flex;
    flex-direction: row-reverse;
    justify-content: center;
  }
  header {
    height: 50px;
    width: 300px;
  }
  img.logo {
    margin-left: 170px;
  }
  img.mobile {
    display: none;
  }
  img.desktop {
    display: block;
    float: right;
    width: 700px;
    height: 100vh;
    position: relative;
    top: -50px;
  }
  h1 {
    text-align: left;
    padding-top: 200px;
    padding-left: 170px;
    padding-right: 180px;
    font-size: 60px;
  }
  p {
    text-align: left;
    padding-left: 170px;
    padding-right: 130px;
  }
  form {
    margin-left: 170px;
  }
  input {
    padding: 20px 230px 20px 20px;
  }
  button[type="submit"] {
    left: 347px;
  }
  .attribution {
    text-align: center;
  }
}

@media only screen and (min-width: 1600px) {
  h1 {
    padding-right: 500px;
  }
  p {
    padding-right: 400px;
  }
  input {
    padding: 20px 390px 20px 20px;
  }
  button[type="submit"] {
    left: 507px;
  }
}