html {
  box-sizing: border-box;
}

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

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

body {
  font-family: Arial, Verdana, sans-serif;
}

figure {
  font-size: 0;
}

ul {
  margin: 0;
  list-style: none;
}

/* index */
.main-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  color: #fff;
  background-color: #070217;
}

.logo-heading {
  display: block;
  margin-bottom: 50px;
}

.link {
  margin-bottom: 50px;
}

.link-item {
  display: inline-block;
  padding: 24px 49px;
  font-weight: 700;
  font-size: 18px;
  background-color: #3f2aff;
}

.link-item:not(:last-child) {
  margin-right: 25px;
}

.link-download {
  padding-left: 30px;
  padding-bottom: 4px;
  font-weight: 700;
  font-size: 18px;
  color: #3f2aff;
  background: url('../img/download.png') no-repeat;
}

/* article */
.container-article {
  margin: 0 auto;
  padding: 80px 0;
  width: 1170px;
}

.title-one {
  margin: 0;
  margin-bottom: 40px;
  font-weight: 400;
  font-size: 60px;
  line-height: 60px;
  color: #333;
}

.text {
  margin: 0;
  margin-bottom: 40px;
  width: 872px;
  font-weight: 400;
  font-size: 20px;
  line-height: 32px;
  color: #333;
}

.text-background {
  padding: 50px 95px;
  border-radius: 20px;
  width: 100%;
  font-weight: 700;
  font-size: 30px;
  color: white;
  background-color: #3f2aff;
}

.block-element {
  border-radius: 20px;
  padding: 30px;
  background-color: #f3f3f3;
  background-repeat: no-repeat;
  background-position: right;
}

.block-element:not(:last-child) {
  margin-bottom: 40px;
}

.decorate-1 {
  background-image: url('../img/decorate-1.png');
}

.decorate-2 {
  background-image: url('../img/decorate-2.png');
}

.text-paragraph {
  width: 692px;
  margin-bottom: 10px;
}

.title-two,
.title-three {
  margin: 0;
  margin-bottom: 10px;
}

.title-two {
  font-size: 40px;
  line-height: 46px;
  color: #333;
}

.title-three {
  font-weight: 400;
  font-size: 30px;
  line-height: 34px;
  color: #333;
}

.list {
  margin: 0;
  padding-left: 15px;
}

.list-item:not(:last-child) {
  margin-bottom: 20px;
}

.list-item::marker {
  color: blue;
}

.list-item__link {
  border-bottom: 1px solid #3f2aff;
  font-size: 20px;
  color: #3f2aff;
}

.image {
  margin-bottom: 40px;
}

.image-wrap {
  display: inline-block;
  margin: 0;
  margin-bottom: 40px;
  width: 872px;
}

.image-wrap__descr {
  padding: 19px;
  border: 1px solid #b6b6b6;
  border-top: none;
  font-weight: 400;
  font-size: 14px;
  text-align: center;
}

/* modules */

.container {
  max-width: 1170px;
  margin: 0 auto;
}

.section {
  margin-bottom: 50px;
}

.logo-main {
  display: block;
  margin-top: 50px;
  margin-bottom: 25px;
}

.link-index {
  display: inline-block;
  padding-left: 52px;
  margin-bottom: 25px;
  font-size: 20px;
  line-height: 23px;
  color: #3F2AFF;
  background: url('../img/Arrow 1.png') no-repeat center left;
}

.title-main {
  margin: 0;
  margin-bottom: 50px;
  font-weight: 700;
  font-size: 60px;
  line-height: 69px;
  color: #3F2AFF;
}

.subtitle {
  margin: 0;
  margin-bottom: 2px;
  font-weight: 700;
  font-size: 40px;
  line-height: 46px;
  color: #3F2AFF;
}

.list-cards {
  padding: 0;
  font-size: 0;
}

.list-cards__item {
  position: relative;
  display: inline-block;
  padding-top: 205px;
  padding-left: 25px;
  width: 572px;
  height: 506px;
  vertical-align: top;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.1);
}

.list-cards__item:not(:nth-child(2n)) {
  margin-right: 25px;
}

.list-cards__item:not(:last-child) {
  margin-bottom: 25px;
}

.card-1 {
  background: url('../img/photo-1.jpg') no-repeat top;
}

.card-2 {
  background: url('../img/photo-2.jpg') no-repeat top;
}

.card-3 {
  background: url('../img/photo-3.jpg') no-repeat top;
}

.card-4 {
  background: url('../img/photo-4.jpg') no-repeat top;
}

.list-elemets {
  padding: 0;
  font-weight: 400;
  font-size: 20px;
  line-height: 165%;
  color: #333
}

.number {
  position: absolute;
  top: 434px;
  left: 502px;
  font-weight: 400;
  font-size: 40px;
  line-height: 46px;
  color: #EAEAEA;
}

.button {
  display: block;
  margin: 0 auto;
  margin-bottom: 50px;
  border: 2px solid #3F2AFF;
  width: 274px;
  height: 70px;
  font-weight: 700;
  font-size: 18px;
  line-height: 21px;
  color: #3F2AFF;
  background-color: transparent;
}