:root {
  --Red: hsl(0, 100%, 74%);
  --Green: hsl(154, 59%, 51%);
  --Blue: hsl(248, 32%, 49%);
  --DarkBlue: hsl(249, 10%, 26%);
  --GrayishBlue: hsl(246, 25%, 77%);
}
* {
  box-sizing: border-box;
  font-size: 100%;
}

body {
  margin: 0px;
  padding: 0px;
  font-family: "Poppins", sans-serif;
  font-size: 16px;
  font-weight: 400;
  background-color: var(--Red);
  background-image: url("../images/bg-intro-desktop.png");
  color: #fff;
  line-height: 1.3;
}

textarea,
input {
  outline: none;
}

.red {
  color: var(--Red);
}

.container {
  display: flex;
  width: 100%;
  height: 100vh;
  padding: 0px 6rem;
}
.container > div {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0px 1rem;
}

.title {
  font-size: 3rem;
}
.subtitle {
  line-height: 1.5;
}

/* RIGHT BLOCK DESIGN */

.try-it {
  background-color: var(--Blue);
  text-align: center;
  padding: 20px 5px;
  margin-bottom: 20px;
  border-radius: 10px;
  box-shadow: 0px 10px 5px 0px rgba(0, 0, 0, 0.5);
  -webkit-box-shadow: 0px 10px 5px 0px rgba(0, 0, 0, 0.5);
  -moz-box-shadow: 0px 10px 5px 0px rgba(0, 0, 0, 0.5);
}

/* FORM */

.form-container {
  background-color: #fff;
  width: 100%;
  padding: 40px;
  border-radius: 10px;
}
.form-container p {
  margin-top: 1rem;
  color: var(--GrayishBlue);
  font-size: 0.8rem;
  text-align: center;
}
.form-group {
  color: var(--Red);
  position: relative;
  margin-bottom: 15px;
}

/* FORM INPUT STYLE */
/* input:focus:invalid, */
.is-invalid,
input:invalid {
  background: url(../images/alert-circle.svg) 98% center no-repeat;
  background-size: 25px 25px;
  border-color: var(--Red);
  transition: border 0.3s ease-in;
}
/* input:focus:valid, */
.is-valid {
  background: url(../images/checkmark-circle.svg) 98% center no-repeat;
  background-size: 25px 25px;
  border-color: var(--Green);
  transition: border 0.3s ease-in;
}

.form-input {
  padding: 1rem 2.5rem;
  display: block;
  width: 100%;
  border: 2px solid var(--GrayishBlue);
  border-radius: 10px;
  color: var(--DarkBlue);
  font-weight: 700;
  transition: .1s all ease-in-out;
}

.form-input:focus {
  border: 2px solid var(--Blue);
}

.msg-error {
  font-size: 0.8rem;
  visibility: hidden;
}

.btn-submit {
  width: 100%;
  border: none;
  border-radius: 10px;
  background-color: var(--Green);
  padding: 20px 0px;
  color: #fff;
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
}
.btn-submit:hover {
  opacity: 0.8;
}

/* RESPONSIVE DESIGN */

@media screen and (max-width: 1024px) {
  .container {
    padding: 1rem;
  }
}

@media screen and (max-width: 800px) {
  .container {
    flex-direction: column;
  }
  .container > div {
    padding: 1rem 0rem;
  }
  .title {
    font-size: 2rem;
  }
  .try-it {
    font-size: 0.9rem;
  }
}