:root {
  --back-grey: #eeeeee;
  --back-grey-two: #e1e1e1;
  --back-grey-three: #c1c1c1;
  --back-grey-hover: #dfdfdf;
  --back-grey-active: #d5d5d5;
  --back-range-grey: #f1f1f1;
  --back-scale-grey: #d7dcdf;
  --back-toggle-grey: #ababab;
  --back-toggle-shadow-grey: #cfcfcf;

  --black: #000000;
  --black-40: rgba(0, 0, 0, 0.4);
  --black-30: rgba(255, 255, 255, 0.3);
  --black-25: rgba(0, 0 , 0, 0.25);
  --black-10: rgba(0, 0, 0, 0.1);
  --black-shadow-10: rgba(0, 1, 1, 0.1);
  --white: #ffffff;

  --border: #d7dcde;
  --border-hover: #b4b9bb;
  --border-page-grey: #dbdbdb;

  --black-grey: #283136;
  --text-grey: #666666;
  --text-grey-two: #444444;
  --browser: #4d4d4d;
  --logo-active: #a6a6a6;

  --coral-red: #fb565a;
  --coral-red-hover: #e74246;
  --coral-red-active: #d7373b;

  --green: #00ca74;
  --green-hover: #00bc6c;
  --green-active: #00aa62;

  --yellow: #efc84a;
  --yellow-hover: #eab534;
  --yellow-active: #e5a722;

  --wrapper-padding: 20px;
  --desktop-width: 1200px;
}

.page {
  height: 100%;
}

.page-body {
  min-height: 100%;
  display: grid;
  grid-template-rows: min-content 1fr min-content;
  margin: 0;
  font-family: "Roboto", "Arial", sans-serif;
}

.wrapper {
  width: var(--desktop-width);
  margin-left: auto;
  margin-right: auto;
  padding-right: var(--wrapper-padding);
  padding-left: var(--wrapper-padding);
  box-sizing: border-box;
}

.visually-hidden:not(:focus):not(:active),
input[type="checkbox"].visually-hidden,
input[type="radio"].visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  border: 0;
  padding: 0;
  white-space: nowrap;
  clip-path: inset(100%);
  clip: rect(0 0 0 0);
  overflow: hidden;
}

/* =============== Шапка =============== */

.header {
  background-color: var(--back-grey);
}

.header__wrapper {
  display: grid;
  grid-template-columns: 160px 5fr 1fr; /* Пропорции примерные*/
  align-items: center;
  column-gap: 50px;
  margin-top: 48px;
}

.header__link-logo:hover {
  cursor: pointer;
}

.header__link-logo:active path {
  fill: var(--logo-active);
}

.header__main-nav {
  margin-left: 100px;
}

.site-list {
  display: flex;
  flex-wrap: wrap;
  padding: 0;
  margin: 0;
  align-self: center;

  list-style: none;
}

.header__link-to-basket {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 300px;
  margin-top: 12px;
  margin-left: 50px;
  box-sizing: border-box;
}

.header__svg-basket {
  margin-right: 24px;
  width: 15px;
  height: 15px;
  flex-shrink: 0; /* При увеличении слов корзина иконка сжимается */
}

.site-list {
  margin-top: 27px;
  padding-left: 52px;
}

.site-list__item {
  margin-right: 46px;
}

.site-list__item:nth-child(2) {
  transform: translateX(-2px); /* Pixel Perfect */
}

.site-list__item--active a {
  border-bottom: 2px solid var(--coral-red);
  margin-bottom: -2px; /* рамка влияет на контент (на главной рамки нет)*/
}

.site-list a {
  display: block;
  padding-bottom: 13px;
}

.site-list a,
.header__link-to-basket {
  font-size: 16px;
  line-height: 30px;
  font-weight: 500;
  color: var(--black);
  text-transform: uppercase;
  text-decoration: none;
}

.site-list a:hover,
.site-list a:focus,
.header__link-to-basket:hover,
.header__link-to-basket:focus {
  color: var(--coral-red);
}

.site-list a:active,
.header__link-to-basket:active span{
  /* color: inherit; */
  color: var(--black);
  opacity: 0.3;
}

.header__title {
  grid-column-start: 1;
  grid-column-end: 4;
  margin-top: 74px;
  margin-bottom: 108px;
  margin-right: 18px;

  font-size: 55px;
  line-height: 55px;
  font-weight: 500;
  text-align: center;
}

/* =============== Index.html =============== */

/* Slider */

.promo-slider {
  background-color: var(--back-grey);
  outline-offset: -2px;
}

.promo-slider__wrapper {
  position: relative;
}

.promo-slider__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.promo-slider__btn-list {
  position: absolute;
  bottom: 97px;
  left: 50%;
  transform: translate(-50%);

  display: flex;
  margin: 0;
  padding: 0;

  list-style: none;
}

.promo-slider__btn-list-item {
  position: relative;
}

.promo-slider__btn-list-item + .promo-slider__btn-list-item{
  margin-left: 17px;
}

.promo-slider__btn {
  display: block;
  width: 18px;
  height: 18px;
  border: none;

  border-radius: 50%;
  background-color: var(--white);
  cursor: pointer;
}

.promo-slider__btn--active::after {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  display: block;
  width: 4px;
  height: 4px;
  border: 2px solid var(--back-grey-three);

  content: "";
  background-color: var(--white);
  border-radius: 50%;
}

/* Слайд  */

.slide {
  display: none;
  min-height: 428px;
  padding-top: 74px;
  box-sizing: border-box;

  background-repeat: no-repeat;
}

.slide--1 {
  background-image: url("../img/nerds-index-slide1-1.png");
  background-position: calc(100% - 3px) calc(50% - 2px);
}

.slide--2 {
  background-image: url("../img/nerds-index-slide2-1.png");
  background-position: calc(100% - 3px) calc(50% - 2px);
}

.slide--3 {
  background-image: url("../img/nerds-index-slide3-1.png");
  background-position: calc(100% - 3px) calc(50% - 2px);
}

.slide--active {
  display: block;
}

.slide__title {
  width: 520px;
  margin-top: 0;
  margin-bottom: 27px;

  font-size: 55px;
  line-height: 55px;
  font-weight: 500;
}

.slide__text {
  width: 416px;
  margin-top: 0;
  margin-bottom: 55px;

  font-size: 16px;
  line-height: 24px;
  font-weight: normal;
}

.slide__link-to-more {
  padding: 16px 55px;
  box-sizing: border-box;

  font-size: 16px;
  line-height: 18px;
  font-weight: 400;
  text-transform: uppercase;
  color: var(--white);

  background-color: var(--coral-red);
  text-decoration: none;
  border-radius: 3px;
}

.slide__link-to-more:hover,
.slide__link-to-more:focus {
  background-color: var(--coral-red-hover);
}

.slide__link-to-more:active {
  color: var(--black-30);
  background-color: var(--coral-red-active);
  box-shadow: inset 0px 3px 0px var(--black-shadow-10);
}

/* Services */

.services__list {
  display: grid;
  grid-template-columns: 300px 300px 300px;
  gap: 100px;
  margin: 0;
  padding-top: 80px;
  padding-bottom: 80px;
  padding-left: 0;
  padding-right: 0;
  border-bottom: 2px solid var(--back-grey);

  list-style: none;
}

.service__background {
  background-repeat: no-repeat;
  background-position: center top;
  height: 146px;
}

.service--1 .service__background {
  background-image: url("../img/illustration-1-1.png");
  background-color: var(--coral-red);
}

.service--2 .service__background {
  background-image: url("../img/illustration-2-1.png");
  background-color: var(--green);
}

.service--3 .service__background {
  background-image: url("../img/illustration-3-1.png");
  background-color: var(--yellow);
}

.service__title {
  margin-bottom: 16px;

  font-size: 24px;
  line-height: 30px;
  font-weight: bold;
  text-transform: uppercase;
}

.service__description {
  margin-top: 0;
  margin-bottom: 32px;
  padding-right: 20px;

  font-size: 16px;
  line-height: 24px;
  font-weight: normal;
}

.service__link-order {
  display: inline-block;
  padding: 16px 40px;
  vertical-align: middle;
  font-size: 16px;
  line-height: 18px;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--white);

  background-color: var(--coral-red);
  text-decoration: none;
  border-radius: 3px;
}

.service__link-order:hover,
.service__link-order:focus {
  background-color: var(--coral-red-hover);
}

.service__link-order:active {
  color: var(--black-30);
  background-color: var(--coral-red-active);
  box-shadow: inset 0px 3px 0px var(--black-shadow-10);
}

.service__link-order--green {
  background-color: var(--green);
}

.service__link-order--green:hover,
.service__link-order--green:focus {
  background-color: var(--green-hover);
}

.service__link-order--green:active {
  background-color: var(--green-active);
}

.service__link-order--yellow {
  background-color: var(--yellow);
}

.service__link-order--yellow:hover,
.service__link-order--yellow:focus {
  background-color: var(--yellow-hover);
}

.service__link-order--yellow:active {
  background-color: var(--yellow-active);
}

/* Description Nerds */

.description-nerds__wrapper {
  display: flex;
  padding-top: 40px;
  padding-bottom: 74px;
}

.description-nerds__table-logo-wrapper {
  width: 660px;
}

.description-nerds__text-wrapper {
  widows: 360px;
  margin-right: 140px;
}

.description-nerds__text-slogan {
  margin-top: 35px;
  margin-bottom: 32px;

  font-size: 45px;
  line-height: 45px;
  font-weight: 500;
}

.description-nerds__text-principles {
  margin-top: 0;
  margin-bottom: 40px;

  font-size: 16px;
  line-height: 24px;
  font-weight: normal;
}

.description-nerds__title {
  margin-top: 0;
  margin-bottom: 23px;

  font-size: 16px;
  line-height: 24px;
  font-weight: bold;
  text-transform: uppercase;
  color: var(--black-grey);
}

.description-nerds__list-services {
  margin: 0;
  padding-left: 0px;

  list-style: none;
}

.description-nerds__list-services-item {
  font-size: 16px;
  line-height: 24px;
  font-weight: normal;
  color: var(--black-grey);
}

.description-nerds__list-services-item::before {
  display: inline-block;
  width: 25px;
  height: 2px;
  margin-right: 7px;
  content: "";
  vertical-align: middle;

  background-color: var(--coral-red);
}

.description-nerds__list-services-item + .description-nerds__list-services-item {
  margin-top: 24px;
}

.description-nerds__logo {
  margin-bottom: 33px;
}

.description-nerds__table-title {
  margin-top: 0;
  margin-bottom: 30px;
  margin-left: 1px;

  font-size: 16px;
  line-height: 24px;
  font-weight: bold;
  text-align: center;
  text-transform: uppercase;
}

.description-nerds__static-table {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
}

.description-nerds__static-table li {
  display: flex;
  width: 33%;
  flex-direction: column;
}

.description-nerds__static-table-field {
  order: 1;
  margin: 10px 0 0;

  font-size: 16px;
  line-height: 18px;
  font-weight: normal;
}

.description-nerds__static-table-value {
  margin: 0;

  font-size: 45px;
  line-height: 64px;
  font-weight: bold;
}

.description-nerds__static-table-value-procent {
  font-size: 26px;
  line-height: 40px;
}

/* Partners */

.partners {
  padding-bottom: 80px;
}

.partners__list {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--back-grey);
  border-bottom: 2px solid var(--back-grey);

  list-style: none;
}

.partners__list-item {
  display: flex;
  justify-content: center;
  align-items: center;
}

.partners__list-item::after {
  display: block;
  width: 2px;
  height: 52px;
  margin: 0 19px;
  content: "";

  background-color: var(--back-grey);
}

.partners__list-item:nth-child(4n)::after,
.partners__list-item:last-child::after {
  display: none;
}

.partners__link {
  display: flex;
  width: 260px;
  height: 180px;
  justify-content: center;
  align-items: center;

  /* background-image: url("https://via.placeholder.com/200x100"); */
  background-position: center center;
  background-repeat: no-repeat;

  opacity: 0.2;
}

.partners__link:hover,
.partners__link:focus {
  opacity: 1;
}

.partners__link:active {
  opacity: 0.1;
}

.partners__img {
  display: flex;
  justify-content: center;
  align-items: center;
}

.partners__img--htmlacademy {
  margin-top: 12px;
}

.partners__img--mishka {
  margin-top: 5px;
}

/* Map */

.map {
  position: relative;
  min-height: 416px;
  max-width: 100%;
  padding-top: 54px;
  padding-bottom: 54px;
  box-sizing: border-box;

  background-image: url("../img/map-marker.png"), url("../img/map.png") ;
  background-position: center center, center center;
  background-repeat: no-repeat;
  background-color: var(--back-grey-two);
  background-size: 231px 190px , cover;
}

.map__wrapper {
  position: relative;
  z-index: 1;
  height: 0px; /* Сомнительный костыль?*/
  /* Если обертка занимает площадь обычной высотой, то с маркером карты нельзя взаймодействовать */
}

.map__title {
  margin-top: 0;
  margin-bottom: 22px;

  font-size: 18px;
  line-height: 30px;
  font-weight: bold;
  text-transform: uppercase;
}

.map__address,
.map__phone {
  font-size: 16px;
  line-height: 18px;
  font-weight: normal;
  font-style: normal;
  color: var(--text-grey);
}

.map__address {
  margin-bottom: 18px;
}

.map__phone {
  text-decoration: none;
}

.map__iframe {
  overflow: hidden; /* В Opera почему-то горизонтальная прокрутка (???) */
  position: absolute;
  z-index: 0;
  top: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.map__contacts {
  display: flex;
  flex-direction: column;
  width: 319px;
  min-height: 308px;
  padding: 50px 50px 48px;
  background-color: var(--white);
  box-sizing: border-box;
}

.map__btn-open-modal {
  display: block;
  margin-top: auto;
  padding: 16px;

  font-size: 16px;
  line-height: 18px;
  font-weight: 500;
  text-transform: uppercase;
  text-align: center;
  color: var(--white);

  background-color: var(--coral-red);
  text-decoration: none;
  background-origin: 3px;
}

.map__btn-open-modal:hover,
.map__btn-open-modal:focus {
  background-color: var(--coral-red-hover);
}

.map__btn-open-modal:active {
  background-color: var(--coral-red-active);
  box-shadow: inset 0px 3px 0px var(--black-shadow-10);
}

/* Footer */

.footer__wrapper {
  display: flex;
  margin-top: 68px;
  margin-bottom: 68px;
}

.footer__social {
  margin-right: 140px;
}

/* Social */

.social__list {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;

  list-style: none;
}

.social__list-item {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 80px;
  height: 80px;
}

.social__list-item + .social__list-item {
  margin-left: 10px;
}

.social__link {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: var(--back-grey-two);
}

.social__link:hover,
.social__link:focus {
  background-color: var(--coral-red-hover);
}

.social__link:active {
  box-shadow: inset 0px 3px 0px var(--black-shadow-10);
}

.social__link:active .social__svg {
  opacity: 0.3;
}

.footer__text-slogan {
  margin-top: 5px;
  margin-bottom: 11px;

  font-size: 36px;
  line-height: 36px;
  font-weight: bold;
}

.footer__text {
  margin-top: 0;

  font-size: 16px;
  line-height: 22px;
  font-weight: normal;
  color: var(--text-grey);
}

/* =============== Catalog.html =============== */

/* Main--catalog */

.main__wrapper--catalog {
  display: grid;
  grid-template-columns: 260px 760px;
  column-gap: 140px;
  grid-template-rows: min-content min-content min-content;
  padding-top: 56px;
  padding-bottom: 60px;
}

/* Main-Filter */

.main-filter {
  outline-offset: -2px;
  grid-row-start: 1;
  grid-row-end: -1;
}

.main-filter__fieldset {
  display: flex;
  flex-direction: column;
  padding: 0;
  border: none;
}

/* Диапазон цен */

.main-filter__fieldset--price {
  align-items: flex-start;
  margin-bottom: 54px;
  box-sizing: border-box;
}

.range__controls {
  position: relative;

  height: 80px;
  width: 260px;
  margin-top: 35px;
  margin-bottom: 13px;
  padding-top: 39px;
  padding-left: 20px;
  padding-right: 20px;
  box-sizing: border-box;

  background-color: var(--back-range-grey);
  border-radius: 5px;
}

.range__scale {
  height: 2px;
  background-color: var(--back-scale-grey);
}

.range__bar {
  width: auto;
  box-sizing: content-box;
  height: 2px;

  background-color: var(--green);
}

.range__toggle {
  position: absolute;
  top: 30px;

  width: 4px;
  height: 4px;
  padding: 0;
  border: 8px solid var(--white);

  background-color: var(--back-toggle-grey);
  border-radius: 50%;
  box-shadow: 0 2px 1px 0 var(--back-toggle-shadow-grey);
  cursor: pointer;
  transform: translateX(10px);
}

.range__toggle--min {
  left: 0;
}

.range__toggle--max {
  left: 220px;
}

.main-filter__price-controls {
  display: flex;
  width: 100%;
  box-sizing: border-box;
  justify-content: space-between;
}

.main-filter__label-number {
  display: flex;
  box-sizing: border-box;
  align-items: center;

  font-size: 16px;
  line-height: 22px;
  font-weight: normal;
  text-transform: uppercase;
}

.main-filter__number {
  width: 80px;
  margin-left: 10px;
  padding: 9px;
  box-sizing: border-box;

  font-size: 16px;
  line-height: 22px;
  font-weight: normal;
  font-family: inherit;
  text-transform: uppercase;
  text-align: center;
  text-align: center;
  color: var(--black-grey);

  background-color: var(--back-grey);
  border: none;
  border-radius: 5px;

}

/* Радио переключатели */

.main-filter__fieldset--grid {
  margin-bottom: 43px;
}

.main-filter__fieldset--grid .main-filter__label + .main-filter__label {
  margin-top: 15px;
}

.main-filter__text-radio::before {
  display: inline-block;
  vertical-align: middle;
  width: 25px;
  height: 25px;
  content: "";
  margin-right: 10px;
  margin-left: -2px;

  background-image: url("../img/radio-off.svg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 25px;

  opacity: 0.4;
}

.main-filter__label:hover .main-filter__text-radio:not(:disabled)::before,
.main-filter__input-radio:focus ~ .main-filter__text-radio:not(:disabled)::before {
  opacity: 1;
}

.main-filter__input-radio:checked ~ .main-filter__text-radio::before {
  background-image: url("../img/radio-on.svg");
}

.main-filter__input-radio:disabled ~ .main-filter__text-radio::before,
.main-filter__input-radio:hover:disabled ~ .main-filter__text-radio::before {
  opacity: 0.1;
}

.main-filter__input-radio:disabled ~ .main-filter__text-radio,
.main-filter__input-radio:hover:disabled ~ .main-filter__text-radio {
  opacity: 0.3;
}

/* Чекбоксы */

.main-filter__fieldset--features {
  margin-bottom: 48px;
}

.main-filter__fieldset--features .main-filter__label + .main-filter__label {
  margin-top: 17px;
}

.main-filter__text-checkbox::before {
  display: inline-block;
  vertical-align: middle;
  width: 26px;
  height: 23px;
  content: "";
  margin-left: -2px;
  margin-right: 10px;

  background-image: url("../img/checkbox-off.svg");
  background-repeat: no-repeat;
  background-size: 23px;
  background-position: left center;

  opacity: 0.4;
}

.main-filter__label:hover .main-filter__text-checkbox:not(:disabled)::before,
.main-filter__input-checkbox:focus ~ .main-filter__text-checkbox:not(:disabled)::before {
  opacity: 1;
}

.main-filter__input-checkbox:checked ~ .main-filter__text-checkbox::before {
  background-image: url("../img/checkbox-on.svg");
  background-position: center center;
  background-size: 26px 23px;
}

.main-filter__input-checkbox:disabled ~ .main-filter__text-checkbox::before,
.main-filter__input-checkbox:hover:disabled ~ .main-filter__text-checkbox::before {
  opacity: 0.1;
}

.main-filter__input-checkbox:disabled ~ .main-filter__text-checkbox,
.main-filter__input-checkbox:hover:disabled ~ .main-filter__text-checkbox {
  opacity: 0.3;
}

/* Параметры текста заголовков основного фильтра */

.main-filter__fieldset-title {
  margin-bottom: 13px;
  margin-left: -2px;
  padding: 0;
  font-size: 18px;
  line-height: 30px;
  font-weight: bold;
  text-transform: uppercase;
}

.main-filter__label {
  font-size: 16px;
  line-height: 19px;
  font-weight: normal;
  color: var(--black-grey);
}

.main-filter__label + .main-filter__label {
  margin-top: 16px;
}

.main-filter__btn-submit {
  display: block;
  border: none;
  width: 100%;
  padding: 16px;

  font-size: 16px;
  line-height: 18px;
  font-weight: 500;
  text-align: center;
  text-transform: uppercase;
  font-family: inherit;

  background-color: var(--back-grey);
  border-radius: 3px;
}

.main-filter__btn-submit:hover,
.main-filter__btn-submit:focus {
  background-color: var(--back-grey-hover);
}

.main-filter__btn-submit:active {
  background-color: var(--back-grey-active);
  box-shadow: inset 0px 3px 0px var(--black-shadow-10);

}

/* Sort Filter */

.sort-filter {
  outline-offset: -2px;
  grid-column-start: 2;
  grid-column-end: 3;
  display: flex;
  align-items: center;
  margin-bottom: 48px;
}

.sort-filter__title {
  width: 50%;
  margin: 0;
  margin-right: auto;

  font-size: 18px;
  line-height: 30px;
  font-weight: bold;
  text-transform: uppercase;
}

.sort-filter__list-of-links {
  transform: translateY(-2px); /* Pixel Perfect*/
  display: flex;
  width: 300px;
  margin-left: auto;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sort-filter__link a{
  margin-right: 25px;

  font-size: 14px;
  line-height: 18px;
  font-weight: normal;
  text-transform: uppercase;
  opacity: 0.3;
  color: var(--black);
  text-decoration: none;
}

.sort-filter__link--active a{
  opacity: 1;
}

.sort-filter__link:not(.sort-filter__link--active) a:hover,
.sort-filter__link:not(.sort-filter__link--active) a:focus {
  opacity: 0.6;
}

.sort-filter__link:active a:active { /* Странный селектор? */
  opacity: 1;
}

.sort-filter__order-links {
  transform: translateY(-2px); /* Pixel Perfect*/
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  width: 40px;
  margin: 0;
  margin-left: 20px;
  padding: 0;
  list-style: none;
}

.sort-filter__order-link {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 11px;
  height: 10px;

  opacity: 0.2;
}

.sort-filter__order-link:hover,
.sort-filter__order-link:focus {
  opacity: 0.6;
}

.sort-filter__order-link:active {
  opacity: 1;
}

.sort-filter__order-link--active {
  opacity: 1;
}

/* Pattern */

.patterns {
  outline-offset: -2px;
  grid-column-start: 2;
  grid-column-end: 3;
}

.patterns__list {
  display: grid;
  outline-offset: -3px;
  grid-template-columns: 1fr 1fr;
  column-gap: 40px;
  row-gap: 30px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pattern {
  position: relative;

  display: flex;
  flex-direction: column;
  height: 620px;
  width: 360px;
  border: 1px solid var(--black-10);
  box-sizing: border-box;
  overflow: hidden;

  border-radius: 3px;
}

.pattern:hover,
.pattern:focus {
  box-shadow: 0px 4px 4px var(--black-25);
}

.pattern:hover::before,
.pattern:focus::before {
  opacity: 1;
  transition: 0.2s;
}

.pattern:hover .pattern__wrapper,
.pattern:focus .pattern__wrapper {
  display: block;
  transition: 0.2s;
}

.pattern::before {
  display: block;
  width: 360px;
  height: 40px;
  content: "";
  background-image: url("../img/browser.svg");
  background-repeat: no-repeat;
  background-size: 360px 40px;
  background-position: center;

  opacity: 0.12;
}

.pattern__photo {
  display: block;
  margin: 0 auto;
  height: 578px;
  object-fit: cover;
  margin-bottom: -230px;
}

.pattern__wrapper {
  position: absolute;
  right: 0;
  left: 0;
  bottom: 0;

  max-height: calc(100% - 40px);
  display: none;
  padding: 27px 50px 40px;
  min-height: 230px;
  box-sizing: border-box;

  background-color: var(--back-grey);
}

.pattern__title {
  margin-top: 0;
  margin-bottom: 12px;

  font-size: 18px;
  line-height: 30px;
  font-weight: bold;
  text-transform: uppercase;
  text-align: center;
}

.pattern__title a {
  text-decoration: none;
  color: var(--black);
}

.pattern__title a:hover,
.pattern__title a:focus {
  color: var(--coral-red);
}

.pattern__title a:active {
  color: var(--black);
  opacity: 0.3;
  mix-blend-mode: normal;
}

.pattern__description {
  overflow: hidden;
  max-height: 360px; /* Число произвольное */

  margin-top: 0;
  margin-bottom: 33px;

  font-size: 16px;
  line-height: 18px;
  font-weight: normal;
  text-align: center;
  color: var(--text-grey);
}

.pattern__btn-price {
  display: block;
  border: none;
  padding: 16px 73px;
  margin: 0 auto;
  box-sizing: border-box;

  font-size: 16px;
  line-height: 18px;
  font-weight: normal;
  text-align: center;
  text-transform: uppercase;
  color: var(--white);

  background-color: var(--coral-red);
  border-radius: 3px;
}

.pattern__btn-price:hover,
.pattern__btn-price:focus {
  background-color: var(--coral-red-hover);
}

.pattern__btn-price:active {
  background-color: var(--coral-red-active);
}

.patterns__pagination {
  display: flex;
  flex-wrap: wrap;
  margin: 54px 0 0;
  padding: 0;
  list-style: none;
}

.patterns__pagination-item + .patterns__pagination-item {
  margin-left: 11px;
}

.patterns__pagination-item a {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px;
  width: 50px;
  height: 50px;
  box-sizing: border-box;

  font-size: 16px;
  line-height: 18px;
  font-weight: 500;
  text-align: center;
  text-transform: uppercase;
  color: var(--black);
  text-decoration: none;

  background-color: var(--back-grey);
  border-radius: 3px;
}

.patterns__pagination-item--next a {
  width: auto;
  padding: 16px 78px;
}

.patterns__pagination-item--active a {
  background-color: var(--white);
  border: 3px solid var(--border-page-grey);
  box-sizing: border-box;
}

.patterns__pagination-item:hover a[href]:hover,
.patterns__pagination-item a:focus {
  background-color: var(--back-grey-hover)
}

.patterns__pagination-item a[href]:active {
  background-color: var(--back-grey-active);
  box-shadow: inset 0px 3px 0px var(--black-shadow-10);
}

/* Modal Callback */

.modal-callback {
  display: none;
  z-index: 2;
  position: fixed;
  left: calc(50% - 480px);
  top: calc(50% - 295px);

  flex-wrap: wrap;
  flex-direction: column;
  justify-content: space-between;
  width: 960px;
  min-height: 590px;
  box-sizing: border-box;
  padding: 63px 100px 84px;

  background-color: var(--white);
  box-shadow: 0px 20px 40px var(--black-40);
  animation: bounce 0.6s;
}

.modal-callback--opened {
  display: flex;
}

.modal-callback--error {
  animation: shake 0.6s;
}

.modal-callback__title {
  width: 100%;
  margin: 0;

  font-size: 45px;
  line-height: 53px;
  font-weight: bold;
}

.modal-callback__form {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.modal-callback__label {
  display: flex;
  flex-direction: column;

  font-size: 16px;
  line-height: 18px;
  font-weight: bold;
}

.modal-callback__label--name,
.modal-callback__label--email {
  width: 360px;
}

.modal-callback__label--text {
  margin-top: 34px;
  width: 100%;
}


.modal-callback__input-text,
.modal-callback__textarea {
  margin-top: 10px;
  padding: 15px;
  box-sizing: border-box;

  font-size: 16px;
  line-height: 18px;
  font-weight: normal;
  font-family: inherit;
  color: var(--text-grey-two);

  border: 2px solid var(--border);
  border-radius: 3px;
}

.modal-callback__input-text:hover,
.modal-callback__textarea:hover {
  border-color: var(--border-hover);
}

.modal-callback__input-text:focus,
.modal-callback__textarea:focus {
  border-color: var(--black);
  outline: none;
}

.modal-callback__input-text:invalid,
.modal-callback__textarea:invalid {
  border-color: var(--coral-red-hover);
  color: var(--coral-red-hover);
}

.modal-callback__input-text {
  height: 50px;
}

.modal-callback__textarea {
  display: block;
  height: 118px;
  margin-bottom: 47px;
}

.modal-callback__btn-submit {
  padding: 15px 81px;
  border: none;

  font-size: 16px;
  line-height: 18px;
  font-weight: 500;
  text-align: center;
  text-transform: uppercase;
  font-family: inherit;
  color: var(--white);

  background-color: var(--coral-red);
  border-radius: 3px;
}

.modal-callback__btn-submit:hover,
.modal-callback__btn-submit:focus {
  background-color: var(--coral-red-hover);
}

.modal-callback__btn-submit:active {
  background-color: var(--coral-red-active);
  box-shadow: inset 0px 3px 0px var(--black-shadow-10);
}

.modal-callback__btn-close {
  position: absolute;
  top: 78px;
  right: 90px;

  width: 21px;
  height: 21px;
  border: none;
  background-image: url("../img/close-cross.svg");
  background-size: 21px;
  background-repeat: no-repeat;
  background-position: center center;
  background-color: transparent;

  opacity: 0.3;
}

.modal-callback__btn-close:hover,
.modal-callback__btn-close:focus {
  opacity: 1;
}

.modal-callback__btn-close:active {
  opacity: 0.1;
}

/* Animation */

@keyframes bounce {
  0% {
    transform: translateX(2000px);
  }

  70% {
    transform: translateX(-30px);
  }

  90% {
    transform: translateX(10px);
  }

  100% {
    transform: translateX(0);
  }
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }

  10%,
  30%,
  50%,
  70%,
  90% {
    transform: translateX(-10px);
  }

  20%,
  40%,
  60%,
  80% {
    transform: translateX(10px);
  }
}