:root {
  --color-red: hsl(4, 100%, 67%);

  --color-blue-800: hsl(234, 29%, 20%);
  --color-blue-700: hsl(235, 18%, 26%);
  --color-grey: hsl(0, 0%, 58%);
  --color-white: hsl(0, 0%, 100%);
}

/* GENERAL STYLE */
* {
  margin: 0;
  padding: 0;
  box-sizing: inherit;
}

html {
  font-size: 62.5%;
  box-sizing: border-box;
}

body {
  font-family: "Roboto", sans-serif;
  font-size: 1.6rem;
  line-height: 1.5;
  min-height: 100vh;
  background-color: var(--color-blue-700);
  color: var(--color-blue-800);

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

/* LAYOUT */
.container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.wrapper-form {
  max-width: 90.5rem;
  border-radius: 3.5rem;
  background-color: var(--color-white);
  padding: 3.2rem;

  display: flex;
  gap: 6.4rem;
}

/* MAIN */
.text-box {
  max-width: 37.6rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.heading,
.text,
.list {
  margin-bottom: 3.2rem;
}

.heading {
  font-size: 5.6rem;
  line-height: 1;
}

.list {
  list-style: none;
}

.list-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.list-item:not(:last-child) {
  margin-bottom: 1rem;
}

/* FORM */
.label-text-error,
input[type="email"] {
  display: block;
}

.label-text-error {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.8rem;

  display: flex;
  justify-content: space-between;
}

.error-text {
  color: var(--color-red);
}

input[type="email"] {
  appearance: none;

  width: 100%;
  padding: 1.6rem 2.4rem;
  margin-bottom: 2.4rem;
  font-size: 1.6rem;
  color: inherit;
  border: 1px solid var(--color-grey);
  border-radius: 8px;
}

input[type="email"]::placeholder {
  font-size: 1.6rem;
  color: var(--color-grey);
}

input[type="email"].error {
  border-color: var(--color-red);
  background-color: #fdd;
  color: var(--color-red);
  font-size: 1.6rem;
}

input[type="email"]:focus:invalid {
  outline: none;
}

input[type="email"].error::placeholder {
  color: var(--color-red);
}

.btn {
  width: 100%;
  background-color: var(--color-blue-800);
  color: var(--color-white);
  font-size: 1.6rem;
  font-weight: 700;
  text-align: center;
  padding: 1.6rem 3.2rem;
  border-radius: 8px;
  border: none;
}

.btn-valid,
.btn-dismiss:hover {
  cursor: pointer;
  background-image: linear-gradient(to right, #ff6a3a, #ff527b);
  border: none;
}

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

/* SUCCESS MESSAGE */
.wrapper-success {
  background-color: var(--color-white);
  max-width: 50.4rem;
  border-radius: 3.5rem;
  padding: 6.4rem;

  display: none;
  flex-direction: column;
}

.icon {
  width: 6.4rem;
  height: 6.4rem;
  margin-bottom: 3.2rem;
}

/* FOOTER */
.footer {
  padding: 1rem 0;
}

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

.attribution a {
  color: var(--color-white);
}

.attribution a:hover {
  text-decoration: none;
}