/* FONTS */

@font-face {
  font-style: normal;
  font-weight: 400;
  src: url("./assets/fonts/Poppins/Poppins-Regular.ttf");
  font-family: "Poppins";
}

@font-face {
  font-style: normal;
  font-weight: 500;
  src: url("./assets/fonts/Poppins/Poppins-Medium.ttf");
  font-family: "Poppins";
}

@font-face {
  font-style: normal;
  font-weight: 600;
  src: url("./assets/fonts/Poppins/Poppins-SemiBold.ttf");
  font-family: "Poppins";
}

@font-face {
  font-style: normal;
  font-weight: 700;
  src: url("./assets/fonts/Poppins/Poppins-Bold.ttf");
  font-family: "Poppins";
}

/* VARIABLES */

:root {
  --clr-red: 0, 100%, 74%;
  --clr-green: 154, 59%, 51%;

  --clr-blue: 248, 32%, 49%;

  --clr-dark-blue: 249, 10%, 26%;
  --clr-grayish-blue: 246, 25%, 77%;
  --clr-almost-white: 0, 0%, 87%;

  --clr-white: 0, 0%, 100%;
  --clr-black: 0, 0%, 0%;
}

/* RESET */

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

html {
  font-size: 62.5%;
}

img {
  max-width: 100%;
}

input,
button,
textarea {
  font: inherit;
}

/* GENERAL */

body {
  display: flex;
  position: relative;
  justify-content: center;
  align-items: center;
  background: url("./assets/images/bg-intro-desktop.png"), hsl(var(--clr-red));
  padding: 8.8rem 2.4rem;
  min-height: 100vh;
  font-size: 1.6rem;
  font-family: "Poppins", sans-serif;
}

p {
  font-weight: 500;
  line-height: 2.6rem;
}

/* UTILITY */

.sr-only:not(:focus):not(:active) {
  clip: rect(0 0 0 0);
  position: absolute;
  clip-path: inset(50%);
  width: 1px;
  height: 1px;
  overflow: hidden;
  white-space: nowrap;
}

.button:hover {
  cursor: pointer;
}

.button--secondary {
  display: block;
  transition: background-color 0.3s ease-in-out;
  box-shadow: 0 8px 0 0 hsl(var(--clr-black), 0.1469);
  border: 0;
  border-radius: 1rem;
  background-color: hsl(var(--clr-blue));
  padding: 1.7rem 0;
  width: 100%;
  color: hsl(var(--clr-white));
  font-size: 1.5rem;
  line-height: 2.6rem;
  letter-spacing: 0.027rem;

  em {
    font-style: normal;
    font-weight: 700;
  }
}

.button--secondary:hover {
  background-color: #77e2b3;
}

.button--primary {
  display: block;
  box-shadow: inset 0 -4px 0 0 hsl(var(--clr-black), 0.0909);
  border: 0;
  border-radius: 0.5rem;
  background-color: hsl(var(--clr-green));
  padding: 1.5rem 0;
  width: 100%;
  color: hsl(var(--clr-white));
  font-weight: 600;
  font-size: 1.5rem;
  line-height: 2.6rem;
  letter-spacing: 0.1rem;
  text-transform: uppercase;
}

/* MAIN */

.main {
  display: flex;
  align-items: center;
  gap: 4.5rem;
  width: 100%;
  max-width: 1110px;
}

.main__left {
  width: 100%;
  max-width: 525px;
  color: hsl(var(--clr-white));
}

.main__title {
  margin-bottom: 1.1rem;
  font-size: 5rem;
  line-height: 5.5rem;
  letter-spacing: -0.052rem;
}

.main__right {
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
  width: 100%;
  max-width: 540px;
}

/* FORM */

.form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  box-shadow: 0 8px 0 0 hsl(var(--clr-black), 0.1469);
  border-radius: 1rem;
  background-color: hsl(var(--clr-white));
  padding: 4rem;
}

.form__input {
  position: relative;
  z-index: 1;
  outline: 0;
  border: 1px solid hsl(var(--clr-almost-white));
  border-radius: 0.5rem;
  padding: 1.5rem 3.2rem;
  width: 100%;
  color: hsl(var(--clr-dark-blue));
  font-weight: 600;
  font-size: 1.4rem;
  line-height: 2.6rem;
  letter-spacing: 0.025rem;
}

.form__input::placeholder {
  opacity: 0.75;
  color: hsl(var(--clr-dark-blue));
}

.form__input:focus,
.form__input:active {
  border-color: hsl(var(--clr-blue));
}

.form .button {
  margin-bottom: 0.8rem;
}

.form__text {
  color: hsl(var(--clr-grayish-blue));
  font-size: 1.1rem;
  text-align: center;

  a {
    color: hsl(var(--clr-red));
    font-weight: 700;
    text-decoration: none;
  }
}

.form__group {
  position: relative;
  transition: margin-bottom 0.3s ease-in-out;
}

.form__group--error {
  margin-bottom: 22px;
}

.form__group--error .form__input {
  border: 2px solid hsl(var(--clr-red));
  color: hsl(var(--clr-red));
}

.form__group--error .form__error {
  bottom: -6px;
  transform: translateY(100%);
}

.form__error {
  position: absolute;
  right: 0;
  bottom: 20px;
  transition: bottom 0.3s ease-in-out, transform 0.3s ease-in-out;
  color: hsl(var(--clr-red));
  font-size: 1.1rem;
  line-height: normal;
}

/* ATTRIBUTION */

.attribution {
  position: absolute;
  bottom: 0;
  left: 0;
  border-top-right-radius: 1rem;
  background-color: hsl(var(--clr-white));
  padding: 0.8rem;
  color: hsl(var(--clr-dark-blue));
  font-size: 1rem;
}

.attribution__link {
  color: hsl(var(--clr-red));
  font-weight: 700;

  text-decoration: none;
}

.attribution__link:hover {
  text-decoration: underline;
}

/* MEDIA QUREIES */

@media screen and (max-width: 768px) {
  body {
    background: url("./assets/images/bg-intro-mobile.png"), hsl(var(--clr-red));
    background-position: center;
    background-repeat: no-repeat;
  }
  .button--secondary {
    padding: 1.8rem 6.8rem;
  }

  .main {
    flex-direction: column;
    gap: 6.4rem;
  }

  .main__left {
    max-width: 100%;
    text-align: center;
  }

  .main__right {
    max-width: 100%;
  }

  .main__title {
    margin-bottom: 1.6rem;
    font-size: 2.8rem;
    line-height: 3.6rem;
    letter-spacing: -0.029rem;
  }

  .form {
    padding: 2.4rem;
  }

  .form__text {
    line-height: 2.1rem;
  }

  .attribution {
    display: none;
  }
}