:root {
  --color-violet: #7b6af4;
  --color-dark: #222222;
  --color-white: #ffffff;
  --color-gray: #292929;

  --border-radius-big: 100px;
  --border-radius-small: 50px;

  --font-family-base: 'Poppins', sans-serif;

  --container-width: 1220px;
  --container-padding-x: 10px;
}

h1 {
  font-size: 65px;
}

h2 {
  font-size: 48px;
}

h3 {
  font-size: 30px;
}

h4 {
  font-size: 22px;
}

h1,
h2,
h3,
h4 {
  font-weight: 600;
}

textarea {
  appearance: none;
  resize: none;
  outline: none;
  background-color: var(--color-gray);
  border: none;
  border-bottom: 1px solid #595959;
  color: var(--color-white);
  font-size: 18px;
  width: 100%;
  font-family: var(--font-family-base);
}

a {
  text-decoration: none;
  color: var(--color-white);
}

a,
.button,
a:hover,
.button:hover {
  transition-duration: 0.3s;
  cursor: pointer;
}

p {
  font-size: 22px;
}

footer {
  background-color: var(--color-dark);
  border-top-left-radius: var(--border-radius-big);
  border-top-right-radius: var(--border-radius-big);
  width: 100%;
}

body {
  width: 100%;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  font-family: var(--font-family-base);
}

.container {
  max-width: calc(var(--container-width) + var(--container-padding-x) * 2);
  margin-inline: auto;
  padding-inline: var(--container-padding-x);
}

.title--violet {
  color: var(--color-violet);
}

.border-mark {
  border: 1px solid var(--color-white);
  padding: 3px 10px;
  border-radius: var(--border-radius-big);
  white-space: nowrap;
}

.visible-desktop {
  display: block;
}

.visible-mobile {
  display: none !important;
}

.button {
  padding: 15px 30px;
  border-radius: 5px;
  font-size: 18px;
  font-family: var(--font-family-base);
  font-weight: 800;
  border: none;
  cursor: pointer;
}

section:nth-child(even) {
  background-color: var(--color-violet);
  width: 100%;
}

section:nth-child(odd) {
  background-color: var(--color-dark);
  width: 100%;
}

section:not(:first-of-type) {
  border-top-left-radius: var(--border-radius-big);
  border-top-right-radius: var(--border-radius-big);
}

.header {
  width: 100%;
  background-color: var(--color-violet);
}

.header__logo {
  cursor: pointer;
}

.header__inner {
  margin-top: 45px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__list {
  list-style-type: none;
  display: flex;
  align-items: center;
  font-weight: 600;
  gap: 85px;
}

.header__link {
  font-size: 20px;
}

.header__link:hover {
  opacity: 0.6;
}

.hero {
  padding-bottom: 204px;
  overflow: hidden;
}

.hero__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  margin-top: 138px;
  position: relative;
  width: 100%;
}

.hero__parallax-image {
  position: absolute;
  will-change: transform;
}
.parallax-1 {
  left: -185px;
}
.parallax-2 {
  right: -185px;
  top: -180px;
}

.hero__title {
  max-width: 1000px;
  line-height: 120%;
}

.hero__description {
  max-width: 780px;
  font-weight: 400;
  line-height: 33px;
  margin-top: 28px;
  margin-bottom: 55px;
}

.hero__button {
  background-color: var(--color-white);
  color: var(--color-violet);
  border: 2px solid transparent;
}

.hero__button:hover {
  background-color: var(--color-violet);
  color: var(--color-white);
  border-color: var(--color-white);
}

.innovation {
  margin-top: -95px;
  padding-bottom: 175px;
}

.innovation__inner {
  padding-top: 88px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.innovation__title {
  margin-bottom: 16px;
  line-height: 72px;
}

.title--violet {
  margin-bottom: 0;
}

.innovation__description {
  max-width: 850px;
  margin-bottom: 112px;
  line-height: 150%;
}

.innovation__cards {
  margin-top: 10px;
  margin-bottom: 107px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 23px;
}

.innovation__title--mission {
  margin-bottom: 4px;
}

.innovation__title--values {
  margin-bottom: 20px;
}

.innovation__description--mission {
  margin-bottom: 104px;
  max-width: 1090px;
}

.card {
  background-color: var(--color-gray);
  border-radius: var(--border-radius-small);
  padding: 40px 40px 30px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 27px;
}

.card__description {
  font-family: var(--font-family-base);
  font-weight: 400;
  font-size: 18px;
  line-height: 25px;
}

.card__title {
  font-family: var(--font-family-base);
}

.value-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 23px;
}

.value-card {
  align-items: start;
  text-align: left;
  max-width: 400px;
  padding-bottom: 40px;
}

.value-card .card__description {
  text-align: left;
}

.services {
  margin-top: -100px;
  padding-top: 81px;
  padding-bottom: 120px;
}

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

.services__title {
  align-self: start;
  margin-bottom: 27px;
}

.services__description {
  font-size: 30px;
  line-height: 45px;
  font-weight: 500;
  max-width: 1040px;
}

.services__description .border-mark {
  padding: 1px 30px;
}

.services__list {
  align-self: end;
  display: flex;
  flex-direction: column;
  max-width: 1033px;
  margin-top: 87px;
}

.services__item {
  display: flex;
  gap: 125px;
  align-items: center;
}

.services__item-text {
  max-width: 610px;
}

.services__item:first-of-type .services__item-text,
.services__item:last-of-type .services__item-text {
  margin-top: -60px;
}

.services__item-title {
  margin-bottom: 40px;
}

.services__item-description {
  font-size: 20px;
  line-height: 30px;
}

.services__item-description ul {
  padding-left: 30px;
}

.services__item-description li {
  list-style-type: disc;
}

.contacts {
  margin-top: -100px;
}

.contacts__inner {
  margin-top: 102px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 102px;
  gap: 20px;
}

.contacts__text {
  margin-top: 23px;
  display: flex;
  gap: 27px;
  flex-direction: column;
}

.contacts__description {
  font-size: 28px;
  line-height: 42px;
  max-width: 610px;
}

.contacts__links {
  margin-top: 127px;
  display: flex;
  gap: 40px;
}

.contacts__link {
  font-size: 28px;
}

.contacts__link:hover {
  opacity: 0.6;
}

.contacts__form {
  max-width: 465px;
  width: 100%;
  padding: 60px 40px 40px 40px;
  background-color: var(--color-gray);
  border-radius: var(--border-radius-small);
  display: flex;
  flex-direction: column;
  gap: 47px;
}

.form__input {
  appearance: none;
  background-color: var(--color-gray);
  border: none;
  border-bottom: 1px solid #595959;
  color: var(--color-white);
  font-size: 18px;
  font-weight: 400;
  line-height: 123%;
  outline: none;
  font-family: var(--font-family-base);
  height: 60px;
  width: 100%;
}

.form__input::placeholder {
  color: var(--color-white);
}

.contacts__button {
  background-color: var(--color-violet);
  color: var(--color-white);
  align-self: start;
  border-radius: 10px;
}

.contacts__button:hover {
  background-color: var(--color-white);
  color: var(--color-violet);
}

.form__input--required {
  position: relative;
  width: fit-content;
  width: 100%;
}

label {
  pointer-events: none;
  position: absolute;
  bottom: 10px;
  font-size: 18px;
  line-height: 1.4;

  transition: font-size 0.25s ease-in-out, bottom 0.25s ease-in-out;
}

sup {
  color: var(--color-violet);
}

input:focus + label,
input:not(:placeholder-shown) + label,
textarea:focus + label,
textarea:not(:placeholder-shown) + label {
  bottom: 100%;
  font-size: 16px;
  opacity: 0.7;
}

textarea:focus + label textarea:not(:placeholder-shown) + label textarea {
  padding-top: 10px;
}


.modal {
  top: -100%;
  left: -100%;
  opacity: 0;
  position: fixed;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1001;
  transition: opacity 0.25s;
}
.modalOpen .modal {
  top: 0;
  left: 0;
  opacity: 1;
}
.modalClose .modal {
  top: 0;
  left: 0;
  opacity: 0;
}
.modal__shadow {
  position: relative;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(20, 20, 20, 0.9);
  z-index: 1;
  cursor: pointer;
}
.modalOpen .modal__shadow, .modalClose .modal__shadow {
  position: fixed;
}
.modal__wrap {
  position: relative;
  z-index: 2;
  width: 80%;
  max-width: 450px;
  max-height: calc(100% - 30px);
  height: initial;
  background: #1D1D1D;
  border-radius: 8px;
  overflow-y: auto;
}
.modal__box {
  padding: 20px;
}
.modal__text {
  font-size: 16px;
  color: #fff;
  text-align: center;
}
.modal__close {
  position: absolute;
  top: 5px;
  right: 5px;
  width: 20px;
  height: 20px;
  cursor: pointer;
}
.modal__close:before, .modal__close:after {
  position: absolute;
  content: "";
  width: 14px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotateZ(-45deg);
  background: #E6E6E6;
  opacity: 1;
  transition: background 0.25s;
}
.modal__close:after {
  transform: translate(-50%, -50%) rotateZ(45deg);
}
.modal__close:hover:before, .modal__close:hover:after {
  background: #5e5e5e;
}