@font-face {
  font-family: "Karla";
  src: url("../fonts/static/Karla-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Karla";
  src: url("../fonts/static/Karla-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* !css variables */
:root {
  --clr-light-green: 148 38% 91%;
  --clr-green: 169 82% 27%;
  /* --clr-red: 0 66% 56%; */
  --clr-red: 0 63% 28%;
  --clr-white: 0 0% 100%;
  --clr-medium-grey: 186 15% 59%;
  --clr-dark-grey: 187 24% 22%;

  --clr-bkg: hsl(var(--clr-light-green));
  --clr-error: hsl(var(--clr-red));
  --clr-heading: hsl(var(--clr-dark-grey));

  --fw-bold: 700;
  --ff-body: "Karla", sans-serif;

  --accent-color: hsl(var(--clr-green));
  accent-color: var(--accent-color);
}

/* reset */
/* Box sizing rules */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Remove default margin and padding */
* {
  margin: 0;
  padding: 0
}

html {
  font-size: 100%;
}

/* Remove list styles on ul, ol elements with a list role, which suggests default styling will be removed */
ul[role='list'],
ol[role='list'] {
  list-style: none;
}

/* Set core root defaults */
html:focus-within {
  scroll-behavior: smooth;
}

/* Set core body defaults */
body {
  min-block-size: 100dvh;
  text-rendering: optimizeSpeed;
  line-height: 1.5;
}

/* A elements that don't have a class get default styles */
a:not([class]) {
  text-decoration-skip-ink: auto;
}

/* Make images easier to work with */
img,
picture {
  max-width: 100%;
  display: block;
}

/* Inherit fonts for inputs and buttons */
input,
button,
textarea,
select {
  font: inherit;
}

/* Remove all animations, transitions and smooth scroll for people that prefer not to see them */
@media (prefers-reduced-motion: reduce) {
  html:focus-within {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* !sometimes referred to as .sr-only */
.visually-hidden:not(:focus):not(:active):not(:focus-within) {
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

*:focus-visible {
  outline: 2px dotted hsl(var(--clr-green));
  outline-offset: 5px;
}

/* !genral styles */
body {
  font-family: var(--ff-body);
  background-color: var(--clr-bkg);
  display: grid;
  place-content: center;
  margin-inline: 1rem;
  padding-block: 1.9375rem;
}

fieldset {
  border: none;
}

:is(label, input, button) {
  cursor: pointer;
}

button {
  border: none;
  background-color: transparent;
}

/* !utility classes */
.w-full {
  width: 100%;
}

/* !form styles */
.form {
  background-color: hsl(var(--clr-white));
  border-radius: 0.5rem;
  padding: 1.5rem;
  display: grid;
  gap: 1.5rem;


  @media (width >=48rem) {
    padding: 2.5rem;
  }

  .form__title {
    color: var(--clr-heading);
  }
}

.form__fieldset {
  display: grid;
  gap: 1rem;

  @media (width >=48rem) {
    grid-template-columns: repeat(2, 1fr);
  }
}


.form__group {
  position: relative;
}

.form__label {
  color: hsl(var(--clr-dark-grey));
  display: block;
  margin-block-end: 0.5rem;
}

.asterisk {
  color: var(--accent-color);
}

:is(.form__input, .form__textarea) {
  padding: .75rem 1.5rem;
  border-radius: 0.5rem;
  border: 1px solid hsl(var(--clr-medium-grey));
  transition: all .3s ease;
  width: 100%;

  &:hover {
    border-color: var(--accent-color);
    box-shadow: 0 0 4px var(--accent-color);
  }

}

/* ! form control - radio styles */
.form__group-radio:has(.form__control-input:checked) {
  background-color: hsl(var(--clr-light-green));
}


.form__control {
  line-height: 1.1;
  display: grid;
  grid-template-columns: 1em auto;
  gap: 1rem;
  border: 1px solid hsl(var(--clr-medium-grey));
  color: hsl(var(--clr-dark-grey));
  border-radius: 0.5rem;
  padding: .75rem 1.5rem;
}


.form__control-input {
  appearance: none;
  background-color: hsl(var(--clr-white));
  color: var(--accent-color);
  width: 1.125rem;
  height: 1.125rem;
  border: 1px solid hsl(var(--clr-medium-grey));
  border-radius: 50%;
  display: grid;
  place-content: center;

  &::before {
    content: "";
    width: 0.625rem;
    height: 0.625rem;
    border-radius: 50%;
    transform: scale(0);
    transition: 120ms transform ease-in-out;
    box-shadow: inset 1em 1em var(--accent-color);
    background-color: CanvasText;
  }
}

.form__control-input:checked::before {
  transform: scale(1);
}

.form__control-input:focus {
  outline: max(2px, 0.15em) solid var(--accent-color);
  outline-offset: max(2px, 0.15em);
}

.form__textarea {
  resize: none;

  min-height: 15rem;

  @media (width >=48rem) {
    min-height: 6.5625rem;
  }
}

/* !form control - checkbox styles */

.form__checkbox {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.form__group-checkbox .form__control {
  border: none;
  padding: 0;
}

.form__group-checkbox .form__label {
  margin-block-end: 0;
}


.form__checkbox-input {
  appearance: none;
  background-color: hsl(var(--clr-white));
  margin: 0;
  color: currentColor;
  width: 1.125rem;
  height: 1.125rem;
  aspect-ratio: 1;
  border: 0.15em solid hsl(var(--clr-medium-grey));
  display: grid;
  place-content: center;

}

.form__checkbox-input::before {
  content: "";
  width: 0.625rem;
  height: 0.625rem;
  transform: scale(0);
  transition: 120ms transform ease-in-out;
  box-shadow: inset 1em 1em var(--accent-color);

}

.form__checkbox-input:checked::before {
  transform: scale(1);
}


.form__button {
  --clr-hover: 169 82% 7%;
  font-weight: bold;
  background-color: var(--accent-color);
  color: hsl(var(--clr-white));
  padding: .75rem 1.5rem;
  border-radius: 0.5rem;
  transition: background-color 300ms ease;

  &:hover {
    background-color: hsl(var(--clr-hover));
  }
}

/* !JavaScript styles - error styles */
.form__error {
  display: none;
}

.form__error.invalid {
  display: block;
  font-size: 0.9375rem;
  color: var(--clr-error);
  margin-block-start: 0.5rem;
}

.form__input.invalid,
.form__control.invalid {
  border-color: var(--clr-error);
  background-image: url("../images/circle-exclamation-solid.svg");
  background-repeat: no-repeat;
  background-position: right 0.625rem center;
}

/* !JavaScript styles - success styles */
.form__input.valid {
  background-image: url("../images/circle-check-solid.svg");
  background-repeat: no-repeat;
  background-position: right 0.625rem center;
}


.header__success {
  background-color: hsl(var(--clr-dark-grey));
  color: hsl(var(--clr-white));
  border-radius: 0.5rem;
  max-width: 31.25rem;
  animation: success .3s ease;
  margin-inline: auto;
  padding: 1.5rem;


  .success__title {
    font-size: 1.2rem;
  }


  @media (prefers-reduced-motion: reduce) {
    animation: none;
  }
}

@keyframes success {
  0% {
    translate: 0 -1rem;
  }

  100% {
    translate: 0 0;
  }
}


.header__success-icon {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* !attribution */
.attribution {
  font-size: 0.75rem;
  text-align: center;
  position: fixed;
  inset: auto auto 1rem 1rem;
  display: none;

  @media (width >=64rem) {
    display: block;
  }
}

.attribution a {
  color: hsl(228, 45%, 44%);
}