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

:root {
  --dark-blue-color: #101221;
  --dark-blue-alt-color: #171b31;
  --blue-color: #1b213d;
  --white-blur-color: #8b93c7;
  --white-blur-alt-color: #2a3159;
  --green-color: #a7da94;
  --red-color: #aa0000;
  --white-color: #fff;
  --black-color: #000;
  --border: 1px solid #2b2f62;
  --margin-bottom: 16px;
  --input-height: 44px;
  --transition-speed: 0.2s ease-in-out;
}

@font-face {
  font-family: 'Gotham Pro';
  src: url('./../fonts/GothamPro-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Gotham Pro';
  src: url('./../fonts/GothamPro-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

body {
  background-color: var(--dark-blue-color);
  font-family: 'Gotham Pro';
  font-weight: 400;
  font-size: 14px;
  line-height: 1.42;
  color: var(--white-color);
}

button {
  background-color: transparent;
  padding: 0;
  margin: 0;
  border: 0;
  font: inherit;
  color: inherit;
}

a {
  display: inline-block;
  text-decoration: none;
  color: inherit;
}

input,
select {
  width: 100%;
  padding: 0;
  margin: 0;
  border: none;
  background: transparent;
  font: inherit;
  color: var(--white-color);
}

input:focus,
select:focus {
  outline: none;
}

select {
  font-weight: 700;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

select::-ms-expand {
  display: none;
}

input::placeholder,
select::placeholder {
  font: inherit;
  color: #c5c7e1;
}

/*svg *[fill] {*/
/*  fill: currentColor;*/
/*}*/
/*svg *[stroke] {*/
/*  stroke: currentColor;*/
/*}*/

svg * {
  transition-property: fill, stroke;
}

.container {
  max-width: 1230px;
  margin-inline: auto;
  padding-inline: 15px;
}

.place-positioning {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100dvh;
  padding-block: 16px;
}

@media (max-width: 480px) {
  .place-positioning {
    align-items: flex-end;
  }
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  border: 0 !important;
  padding: 0 !important;
  white-space: nowrap !important;
  clip-path: inset(100%) !important;
  clip: rect(0, 0, 0, 0) !important;
  overflow: hidden !important;
}

.field__box {
  position: relative;
}

.field__icon {
  position: absolute;
  top: 50%;
  left: 16px;
  transform: translateY(-50%);
}

.field__input {
  background-color: var(--blue-color);
  border: var(--border);
  height: var(--input-height);
  border-radius: 26px;
  padding-inline: 48px 16px;
  transition: border-color var(--transition-speed),
    background-color var(--transition-speed);
}

.field__input:focus {
  border-color: var(--green-color);
}
.field__input.error {
  border-color: var(--red-color);
}

.field__select {
  background-image: url('./../images/icons/arrow-bottom.svg');
  background-repeat: no-repeat;
  background-size: 20px;
  background-position: center right 16px;
}

.button {
  border: var(--border);
  border-radius: 26px;
  background-color: var(--green-color);
  padding: 12px 16px;
  width: 100%;
  color: var(--black-color);
  font-weight: 700;
  transition: opacity var(--transition-speed);
}

.link {
  font-weight: 700;
  color: var(--green-color);
  transition: opacity var(--transition-speed);
}

.main {
  background-image: var(--bg-url);
  background-repeat: no-repeat;
  background-position: top;
  background-size: cover;
}

.auth {
  background-color: var(--dark-blue-alt-color);
  /* прозрачность формы opacity: 0.9; от 0 до 1 */
  opacity: 0.9;
  max-width: 460px;
  min-height: 394px;
  padding: 16px;
  border-radius: 20px;
}

.auth__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  column-gap: 4px;
  background-color: var(--blue-color);
  margin-bottom: var(--margin-bottom);
  border-radius: 14px;
  padding: 2px;
}

.auth__top-button {
  --iconColor: var(--white-blur-color);

  display: flex;
  align-items: center;
  justify-content: center;
  column-gap: 8px;
  flex-grow: 1;
  padding: 4px 10px;
  border-radius: 14px;
  font-size: 12px;
  text-align: center;
  transition: background-color var(--transition-speed);
}

.auth__top-button svg * {
  transition: all var(--transition-speed);
}

.auth__top-button.is-active {
  --iconColor: var(--white-color);
  background-color: var(--white-blur-alt-color);
}

.auth__top-button > svg {
  color: var(--iconColor);
}

.auth__body {
  margin-bottom: var(--margin-bottom);
}

.auth__fields {
  margin-bottom: var(--margin-bottom);
}

.auth__fields,
.auth__field-group {
  display: flex;
  flex-direction: column;
  row-gap: 8px;
}

.auth__field-group.is-active {
  display: flex;
}

.auth__field-group {
  display: none;
}

.auth__info {
  text-align: center;
}

.auth__info-account {
  display: flex;
  align-items: center;
  justify-content: center;
  column-gap: 12px;
  margin-bottom: var(--margin-bottom);
  color: var(--white-blur-color);
}

.auth__info-text {
  font-size: 12px;
}

@media (hover: hover) {
  .button:hover,
  .link:hover {
    opacity: 0.9;
  }

  .auth__top-button:not(.is-active):hover {
    --iconColor: var(--white-color);
    background-color: var(--white-blur-alt-color);
  }

  .field__input:hover {
    background-color: var(--dark-blue-alt-color);
  }
}

@media (hover: none) {
  .button:active,
  .link:active {
    opacity: 0.9;
  }

  .auth__top-button:not(.is-active):active {
    --iconColor: var(--white-color);
    background-color: var(--white-blur-alt-color);
  }

  .field__input:active {
    background-color: var(--dark-blue-alt-color);
  }
}

/* preloader */

.preloader,
.preloader__overlay {
  background-color: #181A32;
}
body.light .preloader,
body.light .preloader__overlay {
  background-color: #f9f9f9;
}

.preloader,
.preloader__overlay {
  background-color: #181A32;
}
.preloader.remove {
  display: none;
}

.preloader {
  position: fixed;
  bottom: 0;
  left: 0;
  height: 100%;
  display: flex;
  padding: 35px 50px;
  transition: opacity 0.2s ease 0s;
  top: 0;
  width: 100%;
  z-index: 100;
}
.preloader__wrap-logo {
  display: flex;
  align-items: center;
  justify-content: center;

  height: 100px;
  max-height: 100%;
  margin: auto;
  position: relative;
  width: 320px;
  max-width: 100%;
}
.preloader__wrap-logo svg {
  height: auto;
  max-height: 100%;
  width: 100%;
  max-width: 100%;
}
.preloader__wrap-logo .letter {
  fill: #EAEAEA;
}
body.light .preloader__wrap-logo .letter {
  fill: #262756;
}
.preloader__overlay {
  top: 0;
  bottom: 0;
  right: 0;
  height: 100%;
  width: 100%;
  position: absolute;
  z-index: 120;
}