:root {
  --white: #ffffff;
  --grey-900: #2a4144;
  --grey-500: #86a2a5;
  --grey-600: #0c7d69;
  --grey-200: #e0f1e8;
  --error: #d73c3c;

  --spacing-100: 0.8rem;
  --spacing-150: 1.2rem;
  --spacing-200: 1.6rem;
  --spacing-300: 2.4rem;
  --spacing-400: 3.2rem;
  --spacing-500: 4rem;
  --spacing-1600: 12.8rem;

  --text-1: bold 3.2rem/1 "Karla", sans-serif;
  --text-2: bold 1.8rem/1.5 "Karla", sans-serif;
  --text-3: normal 1.8rem/1.5 "Karla", sans-serif;
  --text-4: normal 1.6rem/1.5 "Karla", sans-serif;

  --letter-spacing-1: -0.01rem;
}

/* 1. Use a more-intuitive box-sizing model */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* 2. Remove default margin */
*:not(dialog) {
  margin: 0;
}

/* 3. Enable keyword animations */
@media (prefers-reduced-motion: no-preference) {
  html {
    interpolate-size: allow-keywords;
  }
  .toast { 
    transition: none;
  }
}

html {
  font-size: 62.5%;
}

body {
  /* 4. Add accessible line-height */
  line-height: 1.5;
  /* 5. Improve text rendering */
  -webkit-font-smoothing: antialiased;
  color: var(--grey-900);
  background-color: var(--grey-200);
}

/* 6. Improve media defaults */
img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

/* 7. Inherit fonts for form controls */
input,
button,
textarea,
select {
  font: inherit;
}

/* 8. Avoid text overflows */
p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

/* 9. Improve line wrapping */
p {
  text-wrap: pretty;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  text-wrap: balance;
}

/*
  10. Create a root stacking context
*/
#root,
#__next {
  isolation: isolate;
}

@font-face {
  font-family: "Karla";
  src: url("./assets/fonts/Karla-VariableFont_wght.ttf");
  font-display: swap;
}

.wrapper {
  padding-block: var(--spacing-500);
}

.button {
  background-color: var(--grey-600);
  padding: var(--spacing-200) var(--spacing-500);
  color: white;
  font: var(--text-2);
  border-radius: 8px;
  border: none;
}

.button:hover {
  background-color: #2a4144;
}

.radio-selection {
  border: 1px solid var(--grey-500);
  padding: var(--spacing-150) var(--spacing-300);
  display: flex;
  align-items: center;
  gap: var(--spacing-150);
  font: var(--text-3);
  border-radius: 8px;
}
.radio-selection:hover {
  border: 1px solid var(--grey-600);
}

.checkbox {
  display: flex;
  align-items: center;
  gap: var(--spacing-200);
  font: var(--text-4);
}
.radio-icon {
  appearance: none;
  border: 2px solid var(--grey-500);
  border-radius: 100%;
  width: 1.95rem;
  height: 1.95rem;
  position: relative;
}
.radio-icon:checked::after {
  content: "";
  background: url("./assets/images/icon-radio-selected.svg") no-repeat 0 /
    contain;
  inset: -2px;
  position: absolute;
}
.checkbox-icon {
  appearance: none;
  border: 2px solid var(--grey-500);
  border-radius: 4px;
  width: 1.8rem;
  aspect-ratio: 1/1;
  position: relative;
}
.checkbox-icon:checked::after {
  content: "";
  background: url("./assets/images/icon-checkbox-check.svg") no-repeat 0 /
    contain;
  inset: -1px;
  position: absolute;
}
.radio-selection:has(.radio-icon:checked) {
  background-color: var(--grey-200);
}
.radio-selection:has(.radio-icon:checked):hover {
  background-color: var(--white);
}
.text-field {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-100);
}
.text-field-label {
  font: var(--text-4);
}
.text-field[data-required="true"] .text-field-label::after {
  content: "*";
  color: var(--grey-600);
  margin-inline-start: var(--spacing-100);
}
.text-field:has(.text-field-input[data-required="false"])
  .text-field-label::after {
  content: "(optional)";
  color: var(--grey-600);
  margin-inline-start: var(--spacing-100);
}
.text-field-input {
  border-radius: 8px;
  font: var(--text-3);
  color: var(--grey-900);
  padding: var(--spacing-150) var(--spacing-300);
  border: 1px solid var(--grey-500);
}
.text-field-input:hover {
  border: 1px solid var(--grey-600);
}
.text-field.error .text-field-input {
  border: 1px solid var(--error);
}
.text-field.error .text-field-error,
.checkbox-container.error .text-field-error {
  display: block;
  color: var(--error);
  font: var(--text-4);
}
.checkbox-container.error{
  display: grid;
  gap: var(--spacing-100);
}
.text-field-error {
  display: none;
}

fieldset.text-field {
  border: none;
  gap: var(--spacing-200);
}
legend.text-field-label {
  margin-block-end: var(--spacing-200);
}
textarea.text-field-input {
  resize: none;
}
.toast {
  display: grid;
  opacity: 0;
  transition: opacity 0.5s ease;
  background-color: var(--grey-900);
  padding: var(--spacing-300);
  gap: var(--spacing-100);
  color: var(--white);
  border-radius: 12px;
  width: fit-content;
  position: fixed;
  inset-inline: var(--spacing-300);
  inset-block-start: var(--spacing-300);
  /* margin-inline: var(--spacing-300); */
}
.toast-title {
  font: var(--text-2);
  display: flex;
  align-items: center;
  gap: var(--spacing-100);
}
.toast-text {
  font: var(--text-4);
}

.card {
  background-color: var(--white);
  border-radius: 16px;
  width: 90%;
  max-width: 73.6rem;
  margin: auto;
  padding: var(--spacing-300);
}

.card-title {
  font: var(--text-1);
  margin-block-end: var(--spacing-400);
}

.card-form {
  display: grid;
  width: 100%;
  gap: var(--spacing-300);
  grid-template-columns: 1fr;
}

.radio-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-200);
}

.hidden {
  display: none;
}

@media (min-width: 48rem) {
  .toast {
    margin-inline: auto;
  }
  .radio-options {
    grid-template-columns: 1fr 1fr;
  }
  .wrapper {
    padding-block: var(--spacing-1600);
  }
  .card-form {
    grid-template-columns: 1fr 1fr;
  }
  .email {
    grid-column: 1 / span 2;
  }
  .message {
    grid-column: 1 / span 2;
  }
  .query-type {
    grid-column: 1 / span 2;
  }
  .checkbox-container {
    grid-column: 1 / span 2;
  }
}