body {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  font-size: 16px;
  line-height: 24px;
  font-weight: 400;
  font-style: normal;
  color: #DDDDDD;
  background-color: #1F1F28;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip: rect(0 0 0 0);
  overflow: hidden;
}

.home-header {
  background-image: url("../img/cover/home.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-color: inherit;
  height: 90vh;
  text-align: center;
  color: inherit;
}

.home-title {
  font-size: 64px;
  font-weight: 500;
  text-shadow: 1px 1px 2px black;
  text-transform: uppercase;
  letter-spacing: 4px;
  margin: 0;
  padding-top: 80px;
  margin-bottom: 100px;
}

.home-subtitle {
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: 4px;
  width: 640px;
  color: #DCD7BA;
  margin: 0 auto;
  padding-top: 150px;
  padding-bottom: 20px;
  border-bottom: 2px solid #7FB4CA;
}

.description-list {
  margin: 0 auto;
  display: grid;
  gap: 20px;
  width: 1000px;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  list-style-type: none;
}

.description-title {
  border-top: 1px solid #AAAAAA;
  padding-top: 20px;
  font-size: 18px;
}

.description-text {
  border-bottom: 1px solid #AAAAAA;
  padding-bottom: 20px;
}

.navigation {
  background-color: #080808;
  height: 10vh;
  position: sticky;
  top: 0;
}

.navigation-container {
  display: flex;
  justify-content: space-between;
  width: 1000px;
  margin: 0 auto;
}

.logo {
  margin-top: 10px;
}

.navigation-list {
  display: flex;
  justify-content: space-between;
  width: 650px;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style-type: none;
}

.navigation-link {
  text-transform: uppercase;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  letter-spacing: 2px;
  padding: 20px;
  color: inherit;
}

.navigation-link-current.home {
  color: #7FB4CA;
}

.navigation-link.home:hover {
  color: #7FB4CA;
}

.navigation-link-current.trading {
  color: #836f4a;
}

.navigation-link.trading:hover {
  color: #836f4a;
}

.navigation-link-current.coding {
  color: #C34044;
}

.navigation-link.coding:hover {
  color: #C34044;
}

.navigation-link-current.maths {
  color: #E7C384;
}

.navigation-link.maths:hover {
  color: #E7C384;
}

.navigation-link-current.blog {
  color: #99BB6C;
}

.navigation-link.blog:hover {
  color: #99BB6C;
}

.about {
  background-image: url("../img/about/bg.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  background-color: inherit;
  color: inherit;
  padding: 100px;
}

.about-title {
  font-size: 64px;
  font-weight: 700;
  text-shadow: 4px 4px 2px black;
  text-transform: uppercase;
  letter-spacing: 4px;
  text-align: center;
  margin: 0;
  padding-top: 20px;
  padding-bottom: 40px;
}

.about-text {
  text-align: justify;
  margin: 0 auto;
  width: 1000px;
  padding-bottom: 20px;
}

.about-list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  list-style-type: none;
  margin: 40px auto 0px auto;
  padding: 0;
  width: 1000px;
}

.about-list-item {
  display: flex;
  width: 420px;
  background-color: rgba(255, 255, 255, 0.6);
  margin-bottom: 50px;
  margin-left: 50px;
}

.about-image {
  padding: 20px;
  margin-left: -70px;
}

.about-item-title {
  color: #000000;
  text-transform: uppercase;
  letter-spacing: 4px;
  margin-bottom: 0px;
  padding-bottom: 0px;
}

.about-item-text {
  color: #000000;
  margin: 0;
  padding-right: 20px;
  padding-top: 20px;
}

.author {
  display: flex;
  width: 1000px;
  margin: 0 auto 70px;
  padding-top: 70px;
}

.author-photo {
  border-radius: 20px;
  margin-right: 30px;
}

.author-title {
  text-align: center;
  color: #658595;
  font-size: 32px;
  margin-top: 10px;
  margin-bottom: 10px;
}

.author-subtitle {
  text-align: center;
  font-style: italic;
  font-size: 14px;
  color: #FFFFFF;
}

.author-text {
  text-align: justify;
}

.now {
  width: 1000px;
  margin: 0 auto 70px;
  text-align: justify;
}

.chess {
  box-sizing: border-box;
  width: 1000px;
  margin: 0 auto 70px;
  background-color: #363646;
  padding: 40px;
  border-radius: 20px;
  border: 1px solid #54546D;
}

.chess-title {
  font-style: normal;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 1px;
  width: 640px;
  margin: 0;
  padding-bottom: 20px;
}

.chess-text {
  text-align: justify;
}

.last {
  margin-bottom: 0px;
}

.page-footer {
  background-color: #080808;
}

.footer-container {
  margin: 0 auto;
  display: grid;
  width: 1000px;
  grid-template-columns: 2.5fr 1fr 1fr 1fr;
}

.footer-list {
  list-style-type: none;
}

.footer-list-title {
  font-size: 18px;
}

.footer-list-text {
  color: #AAAAAA;
  font-size: 14px;
}

.footer-list-link {
  color: #AAAAAA;
  font-size: 14px;
}

.contact-icon {
  position: relative;
  top: 7px;
}

.contact-link {
  text-decoration: none;
  color: #CCCCCC;
  font-weight: 700;
  font-size: 14px;
}


.copyright {
  color: #AAAAAA;
  font-size: 14px;
  margin: 0 auto;
  text-align: center;
  padding: 20px;
}