:root {
  --black: #161614;
  --gray: #383838;
  --gold: #e4c087;
  --white: #e1e1e1;
  --white_40: rgba(225, 225, 225, 0.4);
  --width-adv-card: 438px;
  --gap-adv-card: 109px;
}

html {
  scroll-behavior: smooth;
}

body {
  padding: 0;
  margin: 0;
  font-family: "Inter Tight", sans-serif;
  font-weight: normal;
  background: var(--black);
  color: var(--white);
}

body.noscroll {
  overflow: hidden;
}

/* body::-webkit-scrollbar {
    width: 2px;
    background-color: var(--light-blue-2);
}

body::-webkit-scrollbar-thumb {
    background-color: var(--blue);
} */

* {
  box-sizing: border-box;
}

ul,
li,
span {
  display: block;
  padding: 0;
  margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  padding: 0;
  margin: 0;
  font-family: "Inter Tight", sans-serif;
}

h1,
.h1 {
  font-size: 64px;
  line-height: 1.15em;
  text-transform: uppercase;
  font-weight: bold;
}

h2,
.h2 {
  font-size: 40px;
  line-height: 1.2em;
  text-transform: uppercase;
  font-weight: bold;
}

h3,
.h3 {
  font-size: 24px;
  line-height: 1.2em;
  text-transform: uppercase;
  font-weight: bold;
}

.p1 {
  font-size: 18px;
  line-height: 1.25em;
}

.p2 {
  font-size: 14px;
  line-height: 1.3em;
}

.caps {
  font-size: 16px;
  line-height: 1.25em;
  text-transform: uppercase;
}

a {
  text-decoration: none;
  font-family: "Inter Tight", sans-serif;
  color: var(--white);
}

p {
  margin: 0;
  padding: 0;
}

img {
  display: block;
  object-fit: cover;
  width: 100%;
  height: 100%;
}

button {
  font-family: "Inter Tight", sans-serif;
  margin: 0;
  padding: 0;
  border: none;
  cursor: pointer;
  background: transparent;
}

button:active,
button:focus {
  outline: none;
}

.button {
  font-weight: bold;
  font-size: 16px;
  line-height: 1.25em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: start;
  gap: 8px;
  transition: 0.5s ease;
}

.button span {
  padding: 8px 0 7px;
  border-bottom: 1px solid var(--gold);
  min-width: 128px;
  max-width: 128px;
  white-space: nowrap;
  overflow: hidden;
  text-align: center;
}

.button svg {
  transition: 0.5s ease;
}

.button:hover svg {
  transform: rotate(45deg);
  transition: 0.5s ease;
}

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

input[type="tel"],
input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  background: transparent;
  padding: 0 0 8px;
  font-family: "Inter Tight", sans-serif;
  color: var(--white);
  text-transform: uppercase;
  border-top: none;
  border-left: none;
  border-right: none;
  border-bottom: 1px solid var(--white);
}

input:active,
textarea:active {
  outline: none;
}

input::placeholder,
textarea::placeholder {
  color: var(--white_40);
}

:focus {
  outline: none;
}

button::-moz-focus-inner {
  border: 0;
}

.container {
  width: 1824px;
  margin: 0 auto;
  position: relative;
}

.section-title {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
  text-align: center;
}

.standart-heading {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.standart-heading .p1 {
  color: var(--white_40);
}

.wrapper {
  position: relative;
}

video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.p-56-80 {
  padding: 56px 0 80px;
}

.p-80 {
  padding: 80px 0;
}

/* ---index page--- */
/* header */
.header {
  padding: 22px 0;
}

.header .top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.top__logo {
  display: flex;
  width: 86px;
}

.top__logo img {
  width: 100%;
}

.header .top__menu {
  display: flex;
  align-items: center;
  gap: 30px;
}

.header .top__menu li {
  position: relative;
  display: flex;
  justify-content: center;
  width: 85px;
  padding: 15px 0;
}

.header .top__menu li:not(:last-of-type)::after {
  content: "/";
  color: var(--white);
  position: absolute;
  top: 50%;
  right: -16px;
  transform: translateY(-50%);
}

.header .top__menu li a {
  display: flex;
  align-items: center;
  color: var(--white);
  white-space: nowrap;
  overflow: hidden;
  transition: 0.5s ease;
}

.header .top__menu li a:hover {
  color: var(--gold);
  transition: 0.5s ease;
}

.header .top__menu li a svg {
  transition: 0.5s ease;
}

.header .top__menu li a:hover svg {
  transform: rotate(180deg);
  transition: 0.5s ease;
}

.header .top__menu li a svg path {
  transition: 0.5s ease;
}

.header .top__menu li a:hover svg path {
  stroke: var(--gold);
  transition: 0.5s ease;
}

.header .top__menu li .submenu {
  display: none;
}

.header .top__menu li .submenu {
  position: absolute;
  z-index: 100;
  left: 0;
  top: 120%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  background: var(--black);
  border-left: 1px solid var(--white_40);
  border-right: 1px solid var(--white_40);
  padding: 16px;
  width: 300px;
  visibility: hidden;
  opacity: 0;
  transition: all 0.2s;
}

.header .top__menu li:has(ul):hover .submenu {
  top: 100%;
  visibility: visible;
  opacity: 1;
  overflow: hidden;
  transition: all 0.2s;
}

.header .top__menu li .submenu li {
  width: max-content;
  padding: 0;
}

.header .top__menu li .submenu li::after {
  display: none;
}

.header .top__menu li .submenu li a {
  color: var(--white_40);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: 0.5s ease;
}

.header .top__menu li .submenu li a:hover {
  color: var(--white0);
  transition: 0.5s ease;
}

.header .top__right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* basic */
.basic .wrapper {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--gray);
}

.service-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-bottom: 1px solid var(--gray);
}

.service-card:not(:nth-child(3n + 3)) {
  border-right: 1px solid var(--gray);
}

.service-card__video {
  width: 100%;
  height: 350px;
}

/* advantages */
.advantages .container {
  width: 1532px;
}

.advantages .wrapper {
  height: 1080px;
}

.advantages .section-title {
  width: 100%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.advantages .section-title .p1 {
  width: 520px;
  max-width: 100%;
}

.advantages-card {
  position: absolute;
  top: 0;
  width: var(--width-adv-card);
  aspect-ratio: 1 / 1;
  outline: 1px solid var(--white_40);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  background: var(--black);
}

.advantages-card:nth-of-type(3n + 1) {
  left: 0;
}

.advantages-card:nth-of-type(3n + 2) {
  left: calc(var(--width-adv-card) + var(--gap-adv-card));
}

.advantages-card:nth-of-type(3n + 3) {
  left: calc((var(--width-adv-card) + var(--gap-adv-card)) * 2);
}

.advantages-card__img {
  width: 100%;
}

.advantages-card__img img {
  width: 152px;
  margin-left: auto;
}

/* contact-form */
.contact-form .wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.contact-form .h1 {
  text-align: center;
}

/* footer */
.footer .wrapper {
  border-top: 1px solid var(--white_40);
  padding: 25px 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.footer-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
}

.footer-top__contact {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.footer-top__nav {
  display: flex;
  align-items: start;
  gap: 48px;
}

.footer-top__page-menu {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 85px;
}

.footer-top__page-menu a {
  white-space: nowrap;
  overflow: hidden;
}

.footer-top__service-menu {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 250px;
}

.footer-top__service-menu ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-top__service-menu ul li a {
  color: var(--white_40);
  white-space: nowrap;
  overflow: hidden;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.footer-bottom .p2 {
  color: var(--white_40);
}

/* ---projects page--- */
/* breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
}

.breadcrumbs a:first-child {
  color: var(--white_40);
  transition: 0.5s ease;
}

.breadcrumbs a:first-child:hover {
  color: var(--white);
  transition: 0.5s ease;
}

.breadcrumbs p {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* projects-block */
.projects-cards {
  margin-top: 25px;
  border-top: 1px solid var(--gray);
}

.projects-card {
  padding: 56px 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.projects-card__video {
  width: 100%;
}

.projects-card.reverse .projects-card__video {
  order: 2;
}

.projects-card__info {
  padding: 0 0 0 154px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.projects-card.reverse .projects-card__info {
  order: 1;
  padding: 0 154px 0 0;
}

.projects-card__top {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.projects-card__note {
  display: flex;
  align-items: center;
  gap: 40px;
  color: var(--white_40);
}

.projects-card__title {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray);
}

.projects-card__btn span {
  min-width: 155px;
  max-width: 155px;
}

/* ---case page--- */
/* case-block */
.case-content {
  margin-top: 24px;
  border-top: 1px solid var(--gray);
  padding-top: 24px;
}

.case-content__top {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.case-content__top .caps {
  color: var(--white_40);
}

.case-content__top div {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.case-content__preview {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  padding: 56px 0 80px;
  position: relative;
}

.case-content__preview .preview__video {
  aspect-ratio: 4 / 3;
  max-width: 100%;
  display: flex;
}

.case-content__preview .preview__static {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.case-content__preview .preview__small-col {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.case-content__preview .preview__img {
  max-height: 50%;
  min-height: 50%;
}

.case-content__preview .preview__desc {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.case-content__preview .preview__desc .preview__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.case-content__preview .preview__desc .preview__item .p1:first-child {
  color: var(--white_40);
}

.case-content__results {
  margin-top: 80px;
  border-top: 1px solid var(--gray);
  padding-top: 56px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.case-content__big-col:first-child {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  align-items: end;
}

.case-content__big-col .big-col__img {
  max-height: 360px;
  aspect-ratio: 4 / 3;
}

.case-content__big-col:last-child {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.case-content__work-item {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 746px;
  max-width: 100%;
}

/* our-method */
.our-method .h1 {
  text-align: center;
  margin-bottom: 64px;
  /* position: sticky;
	top: 250px; */
}

.method-card__wrap {
  padding: 24px;
  border: 1px solid var(--gray);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  background: var(--black);
}

.method-card__text {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.method-card__text .h2,
.method-card__text .p1 {
  width: 568px;
}

.method-card__text .h2 {
  color: var(--gold);
}

.method-card__img {
  height: 480px;
}

/**/
.method-card {
  width: 100%;
  /* height: 500px; */
  position: relative;
  overflow: hidden;
  padding-bottom: 40px;
}
.method-card__wrap {
  height: 100%;
  overflow: hidden;
}
/**/

/* ---service-page--- */
/* service-block */
.service-content__top {
  display: flex;
  align-items: start;
  justify-content: space-between;
}

.service-content__top .p1,
.service-content__preview .preview__img {
  width: 438px;
}
.service-content__preview {
  display: flex;
  align-items: end;
  justify-content: space-between;
  padding: 56px 0 84px;
  position: relative;
}

.service-content__preview .preview__video {
  width: 1208px;
  height: 670px;
  display: flex;
}

.service-content__preview .preview__heading {
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: absolute;
  bottom: 0;
  left: 0;
}

/* contact-form_service */
.contact-form_service .wrapper {
  border: 1px solid var(--gray);
  padding: 122px 0;
}

/* task */
.task-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  height: 360px;
  margin-top: 64px;
}

.task-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-top: 1px solid var(--gray);
  border-bottom: 1px solid var(--gray);
}

.task-card:not(:last-child) {
  border-right: 1px solid var(--gray);
}

.task-card__number {
  color: var(--gold);
}

.task-card__text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.task-card__text .p1 {
  color: var(--white_40);
}

/* other-service */
.other-service {
  overflow: hidden;
}

.other-service__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.other-service__slider-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.other-service__slider-nav div {
  cursor: pointer;
}

.other-service__slider-nav svg rect {
  transition: 0.5s ease;
}
.other-service__slider-nav svg:hover rect {
  stroke: var(--white);
  transition: 0.5s ease;
}

.other-service__slider {
  margin-top: 64px;
}

.other-service-swiper {
  overflow: visible;
}

.other-service-swiper .service-card:not(:nth-child(3n + 3)) {
  border-right: none;
}

.other-service-swiper .swiper-slide:not(:last-child) .service-card {
  border-right: 1px solid var(--gray);
}

.other-service-swiper .swiper-slide .service-card {
  border-top: 1px solid var(--gray);
}

/* ---about page--- */
/* advantages_about */

/* nav-page */
.nav-page .wrapper {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.nav-card {
  border: 1px solid var(--gray);
  padding: 118px 0;
  display: flex;
  flex-direction: column;
  gap: 40px;
  align-items: center;
}

.nav-card__btn span {
  min-width: 76px;
  max-width: 76px;
}

/* ---contact page--- */
/* contact-block */
.contact-content {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 56px;
  margin-top: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--gray);
}

.contact-content .contact-content__col:last-child {
  border-left: 1px solid var(--gray);
  padding-left: 24px;
}

.contact-content__list {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.contact-content__item {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--gray);
  overflow: hidden;
}

.contact-content__item .h1 {
  color: var(--gold);
  white-space: nowrap;
  overflow: hidden;
  max-width: 590px;
}

.contact-content__item .caps {
  color: var(--white_40);
}

/* ---error-page--- */
.error {
  padding: 80px 0;
}

.error .wrapper img {
  width: 1208px;
  max-width: 100%;
  margin: 0 auto;
}

.error .error-text {
  position: absolute;
  z-index: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  bottom: 54px;
  left: 50%;
  transform: translateX(-50%);
}

.error .error-text h1 {
  font-size: 200px;
}

.error .error-text .p1 {
  margin-top: 31px;
}

.error .error-text .error__btn {
  margin-top: 88px;
}

.error .error-text .error__btn span {
  min-width: 202px;
  max-width: 202px;
}

/* modal */
.modal {
  position: relative;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: 0.5s ease;
  z-index: -1;
}

.modal.active {
  opacity: 1;
  z-index: 997;
  transition: 0.5s ease;
}

.modal__wrap {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  z-index: 998;
  background: var(--black);
  overflow-x: hidden;
  overflow-y: auto;
  transition: 0.5s ease;
}

.modal.active .modal__wrap {
  right: 0;
  transition: 0.5s ease;
}

.modal__wrap::-webkit-scrollbar {
  width: 1px;
  background-color: var(--gray);
}

.modal__wrap::-webkit-scrollbar-thumb {
  background-color: var(--gold);
}

.modal__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
}

.modal__close {
  z-index: 999;
  display: flex;
}

.modal__close svg rect {
  transition: all 0.5s ease;
}

.modal__close:hover svg rect {
  stroke: var(--white);
  transition: all 0.5s ease;
}

.modal__content {
  padding: 32px 0 77px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.modal__heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray);
}

.modal__heading .h1 {
  width: 900px;
  max-width: 100%;
}

.modal__heading .p1 {
  width: 746px;
  max-width: 100%;
}

.modal__form .form__body {
  display: flex;
  align-items: start;
  justify-content: space-between;
}

.modal__form .form__col {
  width: 746px;
}

.modal__form .form__col:first-child {
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.form-block-item {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.modal__form .form__radio-btns {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

/*кастомный радио*/
.form__radio-btn {
  display: inline-block;
  margin-right: 10px;
}
.form__radio-btn input[type="radio"] {
  display: none;
}
.form__radio-btn label {
  display: inline-block;
  cursor: pointer;
  padding: 0 0 8px;
  border-bottom: 1px solid var(--white);
  user-select: none;
}

.form__radio-btn input[type="radio"]:checked + label {
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
}

.form__radio-btn label:hover {
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
}
/*<-*/

.form__main {
  display: flex;
  flex-direction: column;
}

.form__input-groups {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.form__policy {
  margin-top: 24px;
}

.form__policy a {
  color: var(--gold);
}

.form__btn {
  margin-top: 40px;
}

.form__btn span {
  min-width: 165px;
  max-width: 165px;
}

/*кастомный чекбокс*/
.checkbox {
  position: absolute;
  z-index: -1;
  opacity: 0;
}

.checkbox + label {
  display: inline-flex;
  align-items: flex-start;
  user-select: none;
}

.checkbox + label::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 16px;
  min-width: 16px;
  border: 1px solid var(--white_40);
  margin-right: 8px;
  background-repeat: no-repeat;
  background-position: center center;
}

.checkbox:checked + label::before {
  border-color: var(--gold);
  background-color: var(--gold);
  background-image: url("../img/ok.svg");
}
/*<---modal*/

/* mobile menu start */
#nav-icon {
  width: 72px;
  height: 34px;
  position: relative;
  transition: 0.5s ease-in-out;
  cursor: pointer;
  border: 1px solid var(--gray);
  z-index: 99;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

#nav-icon span {
  display: block;
  height: 1px;
  width: 40px;
  background: var(--gold);
  opacity: 1;
  transition: 0.25s ease-in-out;
}

#nav-icon.open span:nth-child(2) {
  display: none;
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: calc(100vh - 80px + 19px);
  background: var(--black);
  padding: 56px 24px;
  z-index: 110;
}

/* .mobile-menu::-webkit-scrollbar {
    width: 2px;
    background-color: var(--light-blue-2);
}

.mobile-menu::-webkit-scrollbar-thumb {
    background-color: var(--blue);
} */

.mobile-menu__content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  height: 100%;
}

.mobile-menu__menu {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mobile-menu__menu li a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.mobile-menu__menu li a.only-submenu {
  gap: 0px;
}

.mobile-menu__menu li a.only-submenu svg {
  transition: 0.5s ease;
}

.mobile-menu__menu li.active a.only-submenu svg {
  transform: rotate(180deg);
  transition: 0.5s ease;
}

.mobile-menu__menu .menu__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.mobile-menu__menu .menu__list li a {
  color: var(--white_40);
}

.mobile-menu__menu .menu__list li a:hover {
  color: var(--white);
  transition: 0.5s ease;
}

.mobile-menu__btn {
  display: none;
}

.only-submenu {
  pointer-events: none;
}
/* mobile menu end */

/* Responsive */
@media (max-width: 1919px) {
  :root {
    --width-adv-card: 318px;
    --gap-adv-card: 81px;
  }
  .container {
    width: 100%;
    padding: 0 48px;
  }
  h1,
  .h1 {
    font-size: 48px;
  }
  h2,
  .h2 {
    font-size: 32px;
  }
  h3,
  .h3 {
    font-size: 18px;
  }
  .p1 {
    font-size: 16px;
  }
  .caps {
    font-size: 14px;
  }
  .button {
    font-size: 14px;
  }
  .button span {
    min-width: 115px;
    max-width: 115px;
  }

  /* header */
  .header {
    padding: 19px 0;
  }
  .top__logo {
    width: 72px;
  }

  /* basic */
  .service-card__video {
    height: 260px;
  }

  /* advantages */
  .advantages .container {
    width: 1116px;
    padding: 0;
  }
  .advantages .wrapper {
    height: 1024px;
  }
  .advantages-card__img img {
    width: 80px;
  }

  /* projects-block */
  .projects-card__info {
    padding: 0 0 0 106px;
  }
  .projects-card.reverse .projects-card__info {
    padding: 0 106px 0 0;
  }
  .projects-card__btn span {
    min-width: 135px;
    max-width: 135px;
  }

  /* case-block */
  .case-content__work-item {
    width: 100%;
  }

  /* our-method */
  .method-card__text .h2,
  .method-card__text .p1 {
    width: 408px;
  }
  .method-card__img {
    height: 410px;
  }

  /* service-block */
  .service-content__preview {
    padding: 56px 0 74px;
  }
  .service-content__preview .preview__video {
    width: 888px;
    height: 490px;
  }
  .service-content__top .p1,
  .service-content__preview .preview__img {
    width: 318px;
  }

  /* contact-form_service */
  .contact-form_service .wrapper {
    padding: 85px 0;
  }

  /* task */
  .task-cards {
    height: 290px;
  }

  /* advantages_about */

  /* nav-page */
  .nav-card {
    padding: 93px 0;
  }
  .nav-card__btn span {
    min-width: 66px;
    max-width: 66px;
  }

  /* contact-block */
  .contact-content {
    gap: 24px;
  }
  .contact-content__item .h1 {
    max-width: 440px;
  }

  /* ---error-page--- */
  .error .error-text .error__btn span {
    min-width: 176px;
    max-width: 176px;
  }

  /* modal */
  .modal__heading .h1 {
    width: 660px;
  }
  .modal__heading .p1 {
    width: 546px;
  }
  .modal__form .form__col {
    width: 546px;
  }
  .form__btn span {
    min-width: 142px;
    max-width: 142px;
  }
}

@media (max-width: 1439px) {
  :root {
    --width-adv-card: 282px;
    --gap-adv-card: 135px;
  }
  .container {
    width: 1200px;
  }
  .standart-heading .p1 {
    font-size: 14px;
  }

  /* basic */
  .service-card {
    padding: 16px;
  }
  .service-card__video {
    height: 230px;
  }

  /* advantages */
  .advantages .container {
    width: 1116px;
  }
  .advantages .wrapper {
    height: 832px;
  }
  .advantages-card {
    padding: 16px;
  }
  .advantages-card__img img {
    width: 72px;
  }

  /* projects-block */
  .projects-card__info {
    padding: 0 0 0 80px;
  }
  .projects-card.reverse .projects-card__info {
    padding: 0 80px 0 0;
  }

  /* case-block */
  .case-content__preview .preview__video {
    aspect-ratio: 0;
  }
  .case-content__preview .preview__small-col {
    gap: 10px;
  }
  .case-content__preview .preview__desc {
    gap: 16px;
  }

  /* service-block */
  .service-content__preview {
    padding: 48px 0 74px;
  }
  .service-content__preview .preview__video {
    width: 690px;
    height: 408px;
  }
  .service-content__top .p1,
  .service-content__preview .preview__img {
    width: 282px;
  }

  /* task */
  .task-cards {
    height: 310px;
  }

  /* advantages_about */

  /* nav-page */
  .nav-card {
    padding: 83px 0;
  }

  /* modal */
  .modal__heading .h1 {
    width: 642px;
  }

  .modal__heading .p1 {
    width: 486px;
  }

  .modal__form .form__col {
    width: 486px;
  }
}

@media (max-width: 1279px) {
  .container {
    width: 100%;
    padding: 0 16px;
  }
  h1,
  .h1 {
    font-size: 40px;
  }
  h2,
  .h2 {
    font-size: 32px;
  }
  h3,
  .h3 {
    font-size: 16px;
  }
  .p-56-80 {
    padding: 48px 0 60px;
  }
  .p-80 {
    padding: 60px 0;
  }

  /* header */
  .header .top__nav {
    display: none;
  }

  /* basic */
  .basic .wrapper {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-card:not(:nth-child(3n + 3)) {
    border-right: none;
  }
  .service-card:not(:nth-child(2n + 2)) {
    border-right: 1px solid var(--gray);
  }
  .service-card__video {
    height: auto;
  }
  .service-card__video video {
    aspect-ratio: 16 / 9;
  }

  /* advantages */
  .advantages .container {
    width: 100%;
    padding: 0 100px;
  }
  .advantages .wrapper {
    height: 1024px;
  }
  .advantages-card__img img {
    width: 80px;
  }
  .advantages-card__text .p1 {
    font-size: 14px;
  }
  .advantages-card:nth-child(odd) {
    left: 0 !important;
  }
  .advantages-card:nth-child(even) {
    right: 0 !important;
    left: auto;
  }

  /* projects-block */
  .projects-card {
    padding: 48px 0;
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .projects-card__top {
    gap: 40px;
  }
  .projects-card__info {
    gap: 40px;
  }
  .projects-card.reverse .projects-card__video {
    order: 1;
  }
  .projects-card__info {
    padding: 0;
  }
  .projects-card.reverse .projects-card__info {
    order: 2;
    padding: 0;
  }

  /* case-block */
  .case-content__preview {
    padding: 48px 0 262px;
  }
  .about .case-content__preview {
    padding: 48px 0 200px;
  }
  .case-content__top div {
    grid-template-columns: 1fr;
    gap: 0px;
  }
  .case-content__preview .preview__static {
    grid-template-columns: 1fr;
  }
  .case-content__preview .preview__img {
    max-height: 100%;
  }
  .case-content__preview .preview__static .preview__small-col:first-child {
    display: none;
  }
  .case-content__preview .preview__desc {
    position: absolute;
    bottom: 60px;
  }
  .about .case-content__preview .preview__desc .p1 {
    font-size: 14px;
  }
  .case-content__results {
    display: flex;
    flex-direction: column-reverse;
    gap: 80px;
    margin-top: 60px;
    padding-top: 48px;
  }
  .case-content__work-item {
    width: 534px;
  }
  .case-content__big-col .big-col__img {
    max-height: 100%;
    aspect-ratio: 0;
  }

  /* our-method */
  .method-card__wrap {
    grid-template-columns: 1fr;
    gap: 74px;
  }
  .method-card__text {
    gap: 16px;
  }
  .method-card__text .h2,
  .method-card__text .p1 {
    width: 510px;
  }
  .method-card__img {
    height: auto;
  }

  /* service-block */
  .service-content__top {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .service-content__top .p1 {
    width: 100%;
  }
  .service-content__preview {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    padding: 48px 0 69px;
  }
  .service-content__preview .preview__video {
    width: 100%;
    height: auto;
  }
  .service-content__preview .preview__static {
    display: flex;
    justify-content: end;
  }
  .service-content__preview .preview__img {
    width: 72%;
    aspect-ratio: 16 / 9;
  }
  .service-content__preview .preview__img img {
    object-fit: contain;
    object-position: right;
  }

  /* contact-form_service */
  .contact-form_service .wrapper {
    padding: 53px 48px;
  }
  .contact-form_service .wrapper .h1 span {
    display: inline;
  }

  /* task */
  .task-cards {
    height: auto;
    grid-template-columns: repeat(2, 1fr);
    margin-top: 56px;
  }
  .task-card {
    height: 260px;
    border-top: none;
  }
  .task-card:not(:last-child) {
    border-right: none;
  }
  .task-card:nth-child(odd) {
    border-right: 1px solid var(--gray);
  }
  .task-card:nth-child(1),
  .task-card:nth-child(2) {
    border-top: 1px solid var(--gray);
  }

  /* other-service */
  .other-service .wrapper {
    padding: 0 0 80px;
  }
  .other-service__slider-nav {
    position: absolute;
    bottom: 0;
    right: 0;
  }
  .other-service__slider {
    margin-top: 56px;
  }

  /* advantages_about */

  /* nav-page */
  .nav-page .wrapper {
    grid-template-columns: 1fr;
  }

  /* contact-block */
  .contact-content {
    grid-template-columns: 1fr;
    gap: 0px;
  }
  .contact-content .contact-content__col:last-child {
    border-left: none;
    padding-left: 0;
  }
  .contact-content__list {
    gap: 48px;
  }

  /* ---error-page--- */
  .error {
    padding: 120px 0;
  }
  .error .wrapper img {
    width: 720px;
  }
  .error .error-text {
    bottom: auto;
    top: 112px;
  }
  .error .error-text h1 {
    font-size: 160px;
  }
  .error .error-text .p1 {
    margin-top: 24px;
  }

  /* modal */
  .modal__content {
    padding: 24px 0 100px;
  }
  .modal__heading {
    flex-direction: column;
    align-items: start;
    gap: 24px;
  }
  .modal__form .form__body {
    flex-direction: column;
    gap: 88px;
  }
  .modal__form .form__col {
    width: 100%;
  }
  .modal__form .form__option {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  /* mobile menu */
  #nav-icon {
    display: flex;
  }
}

@media (max-width: 991px) {
  /* advantages */
  .advantages .container {
    padding: 0 16px;
  }
}

@media (max-width: 767px) {
  h1,
  .h1 {
    font-size: 24px;
  }
  h1 span {
    display: inline;
  }
  h2,
  .h2 {
    font-size: 20px;
  }
  .p-56-80 {
    padding: 32px 0 48px;
  }
  .p-80 {
    padding: 48px 0;
  }

  /* header */
  .header {
    padding: 16px 0;
  }
  .top__logo {
    width: 60px;
  }
  .header .top__btn {
    display: none;
  }

  /* basic */
  .basic .wrapper {
    grid-template-columns: 1fr;
  }
  .service-card:not(:nth-child(2n + 2)) {
    border-right: none;
  }

  /* advantages */
  .advantages .wrapper {
    height: 100vh;
  }
  .advantages h1 {
    font-size: 20px;
  }
  .advantages .section-title .p1 {
    padding: 0 18px;
    font-size: 14px;
  }

  /* footer */
  .footer .wrapper {
    gap: 56px;
  }
  .footer-top {
    flex-direction: column;
    gap: 56px;
  }
  .footer-top__nav {
    gap: 32px;
  }
  .footer-top__page-menu {
    width: 75px;
  }
  .footer-top__service-menu {
    width: 225px;
    overflow: hidden;
  }

  /* projects-block */
  .projects-card {
    padding: 32px 0;
    gap: 32px;
  }
  .projects-card__top {
    gap: 32px;
  }
  .projects-card__note {
    gap: 32px;
  }
  .projects-card__title {
    gap: 16px;
    padding-bottom: 16px;
  }
  .projects-card__title .h2 {
    font-size: 24px;
  }

  /* case-block */
  .case-content__top {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .case-content__preview,
  .about .case-content__preview {
    padding: 48px 0;
    grid-template-columns: 1fr;
  }
  .case-content__preview .preview__small-col {
    gap: 32px;
  }
  .case-content__preview .preview__desc {
    position: relative;
    bottom: 0;
  }
  .case-content__preview .preview__desc .preview__item .p1:first-child {
    font-size: 14px;
  }
  .case-content__results {
    gap: 56px;
    margin-top: 48px;
    padding-top: 32px;
  }
  .case-content__big-col:first-child {
    grid-template-columns: 1fr;
    gap: 0px;
  }
  .case-content__big-col:last-child {
    gap: 56px;
  }
  .case-content__work-item {
    gap: 16px;
  }

  /* our-method */
  .method-card__wrap {
    gap: 68px;
    padding: 16px;
  }
  .method-card__text .h2,
  .method-card__text .p1 {
    width: 100%;
  }

  /* service-block */
  .service-content {
    margin-top: 16px;
    padding-top: 32px;
  }
  .service-content__preview {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 0 0;
  }
  .service-content__preview .preview__block-video {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  .service-content__preview .preview__heading {
    position: relative;
    bottom: 0;
  }
  .service-content__preview .preview__heading .p1 {
    font-size: 14px;
  }
  .service-content__preview .preview__static {
    justify-content: start;
  }
  .service-content__preview .preview__img {
    width: 100%;
    aspect-ratio: 1 / 0;
  }
  .service-content__preview .preview__img img {
    object-fit: cover;
    object-position: center;
  }

  /* contact-form_service */
  .contact-form_service .wrapper {
    padding: 24px;
  }
  .contact-form_service .wrapper .h1 {
    font-size: 20px;
  }

  /* task */
  .task .h1 span {
    display: inline;
  }
  .task-cards {
    grid-template-columns: 1fr;
    margin-top: 40px;
  }
  .task-card {
    height: 200px;
    padding: 16px;
  }
  .task-card:nth-child(odd) {
    border-right: none;
  }
  .task-card:nth-child(2) {
    border-top: none;
  }
  .task-card__text {
    gap: 8px;
  }
  .task-card__text .p1 {
    font-size: 14px;
  }

  /* other-service */
  .other-service .wrapper {
    padding: 0;
  }
  .other-service__slider-nav {
    display: none;
  }
  .other-service__slider {
    margin-top: 40px;
  }
  .other-service-swiper {
    overflow: hidden;
  }
  .other-service-swiper .swiper-wrapper {
    flex-direction: column;
  }
  .other-service-swiper .swiper-slide:not(:last-child) .service-card {
    border-right: none;
  }

  /* advantages_about */

  /* nav-page */
  .nav-page .wrapper {
    gap: 16px;
  }
  .nav-card {
    padding: 50px 0;
  }

  /* contact-block */
  .contact-content {
    margin-top: 17px;
  }

  /* ---error-page--- */
  .error {
    padding: 80px 0 157px;
  }
  .error .wrapper img {
    width: 343px;
  }
  .error .error-text {
    top: 42px;
  }
  .error .error-text h1 {
    font-size: 96px;
  }
  .error .error-text .error__btn {
    margin-top: 72px;
  }

  /* modal */
  .modal__top {
    padding: 16px 0;
  }
  .modal__close svg {
    width: 40px;
    height: 40px;
  }
  .modal__heading {
    gap: 16px;
    padding-bottom: 16px;
  }
  .modal__heading .p1 span {
    display: inline;
  }
  .modal__form .form__body {
    gap: 64px;
  }
  .modal__form .form__col:first-child {
    gap: 56px;
  }
  .modal__form .form__option {
    grid-template-columns: 1fr;
  }
  .modal__form .form__radio-btns {
    gap: 16px;
  }
  .form__policy label .p2 {
    font-size: 12px;
  }

  /* mobile menu */
  .mobile-menu__btn {
    display: flex;
  }
  #nav-icon {
    width: 64px;
  }
  .mobile-menu {
    padding: 48px 16px 100px;
    height: calc(100vh - 66px + 16px);
  }
  .mobile-menu__menu {
    gap: 16px;
  }
  .mobile-menu__menu li a.only-submenu svg {
    width: 18px;
    height: 18px;
  }
  .mobile-menu__menu .menu__list {
    margin-top: 12px;
  }
}

/*modal more*/
input.required.error {
  border-color: red;
  transition: 0.3s;
}

input.required-policy.error ~ label p {
  color: red;
  transition: 0.3s;
}

input.required-policy.checkbox.error + label::before {
  border: 1px solid red;
  transition: 0.3s;
}

input.required-policy.checkbox.error:checked + label::before {
  border: 1px solid transparent;
  transition: 0.3s;
}

#modal-thx .overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 998;
  background: rgba(22, 22, 20, 0.9);
}
.modal-thx__wrap {
  position: fixed;
  z-index: 999;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 438px;
  height: 350px;
  background: var(--black);
  border: 1px solid var(--white_40);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: 0.5s ease;
}
.modal-thx__top {
  display: flex;
  align-items: start;
  justify-content: space-between;
}
#modal-thx .modal__close {
  z-index: 1000;
}
@media (max-width: 767px) {
  .modal-thx__wrap {
    width: 282px;
    height: 200px;
    padding: 16px;
  }
}

/* banner seo */
.banner-seo .wrapper {
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.banner-seo__desc {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 592px;
  max-width: 100%;
}

.banner-seo__img {
  height: 700px;
}

@media (max-width: 1919px) {
  .banner-seo__desc {
    width: 546px;
  }
}

@media (max-width: 1439px) {
  .banner-seo .wrapper {
    gap: 56px;
  }
  .banner-seo__img {
    height: 620px;
  }
}

@media (max-width: 1279px) {
  .banner-seo__desc {
    width: 534px;
  }
  .banner-seo__img {
    height: 420px;
  }
}

@media (max-width: 767px) {
  .banner-seo .wrapper {
    gap: 40px;
  }
  .banner-seo__desc {
    gap: 16px;
  }
  .banner-seo__img {
    height: 343px;
  }
}