:root {
  --text-color1: #172b4d;
  --dark-green: #36b37f;
  --dark-white: #ebf0ee;
  --letter-colorRC: #3a4a42;
  --h3title-color: #344563;
}

@font-face {
  font-family: Inter;
  src: url('./static/Inter-Light.ttf');
}

@font-face {
  font-family: Inter;
  font-weight: bold;
  src: url('./static/Inter-Bold.ttf');
}

* {
  box-sizing: border-box;
  font-family: Inter, sans-serif;
  font-style: normal;
}

main {
  display: grid;
  grid-template-columns: 1fr;
}

/* As we see in fring template, when we have a mobile device, the nav tag
  is before the #main part, and it have space around
*/

#smallScreen {
  display: flex;
  justify-content: space-between;
  width: 100%;
}

a {
  text-decoration: none;
  color: var(--text-color1);
}

section.icon > ul > li > a {
  height: 20px;
  padding: 8px;
  color: #505f79;
}

#smallScreen > a {
  width: 90px;
  height: 48px;
  float: left;
  color: #28352f;
  font-weight: 600;
  font-size: 20px;
  line-height: 28px;
  margin-left: 24px;
}

#smallScreen > nav {
  width: 16px;
  height: 100%;
  margin-right: 36px;
}

.c1,
.c2,
.c3 {
  width: 16px;
  border: 2px solid #28352f;
  background-color: #acb7c3;
  margin: 2.5px 0;
}

#main {
  width: 100vw;
  height: 100vh;
  background-image: url(Header-llustration-desktop.svg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  display: flex;
  flex-direction: column;
}

nav.navigation {
  display: none;
}

/* the container of text and icon
*/

section.headline {
  height: 80%;
  width: 80%;
  margin-left: 10%;
  margin-top: 5%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

ul {
  display: flex;
  justify-content: center;
}

ul > li {
  list-style: none;
}

p {
  width: 90%;
  height: 164px;
  text-align: center;
  margin: 0 auto;
  font-weight: 400;
  font-size: 20px;
  line-height: 28px;
  color: #172b4d;
}

h1 {
  text-align: center;
  color: var(--text-color1);
  font-weight: 700;
  font-size: 40px;
  line-height: 52px;
}

h1 > span {
  color: var(--dark-green);
}

#main section.icon {
  margin: 40px auto;
}

.social-icons > ul {
  margin: 0 auto 0 auto;
  padding-left: 0;
}

.icon > ul {
  padding-left: 0;
}

section.icon > ul {
  display: flex;
  flex-direction: row;
  align-items: center;
  width: 200px;
  height: 40px;
}

section.icon > ul > li {
  transform: scale(1);
  transition-property: transform;
  transition-duration: 0.5s;
  transition-timing-function: linear;
}

section.icon > ul > li:hover {
  transform: scale(2);
}

section.action {
  margin: 0 auto;
}

section.headline > button {
  background-color: transparent;
}

section.headline > button:hover {
  background-color: #36b37f;
}

button {
  border: none;
}

button:hover {
  background: #36b37f;
  box-shadow: 0 8px 16px rgba(54, 179, 127, 0.24);
  border-radius: 4px;
  cursor: pointer;
}

button:focus {
  background: #008552;
  border-radius: 4px;
}

button:enabled {
  background: #36b37f;
  border-radius: 4px;
}

.contact-form button {
  width: 129px;
  height: 48px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 8px;
}

section.headline > button {
  margin-top: 58px;
}

/*
Second part of project
*/

section.recentWork {
  width: 100vw;
  height: auto;
  padding: 64px 24px;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 58px;
}

section.recentWork > div.rHeader {
  width: 90vw;
  height: auto;
  padding: 0 auto;
}

section.recentWork > div.rHeader > h1 {
  margin: 0 auto;
}

h2 {
  text-align: center;
  font-weight: 600;
  font-size: 24px;
  line-height: 32px;
  color: var(--letter-colorRC);
  padding: 0 auto;
}

div.detail > div.rHeader > h2 {
  margin: 0 auto;
}

.bar {
  width: 48px;
  height: 4px;
  background-color: var(--dark-green);
  border-radius: 24px;
  margin: 0 auto;
  margin-top: 24px;
}

section.recentWork > article {
  width: 90vw;
  border-radius: 8px;
  background-color: var(--dark-white);
  border: 1px solid #d0d9d4;
}

section.recentWork > article > div {
  width: 100%;
}

.vide {
  margin-top: 0;
  width: 100%;
  height: 45vh;
}

section.recentWork > article > div.detail {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  gap: 16px;
  background: #fff;
  border-radius: 8px;
}

article.text > button {
  margin-bottom: 0;
}

section.recentWork > article > div.detail > button {
  margin-bottom: 8px;
}

/*
section.recentWork > article > div.detail > ul
*/

ul.language {
  display: flex;
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
  padding: 0;
  gap: 8px;
  width: 90%;
}

ul.language > li {
  height: 32px;
  padding: 8px 12px;
  background-color: var(--dark-white);
  border-radius: 4px;
}

button.buttonCol > span {
  width: 98px;
  height: 24px;
  font-weight: 500;
  font-size: 17px;
  line-height: 24px;
  color: white;
  letter-spacing: 0.03em;
}

ul.language > li > span {
  font-weight: 600;
  font-size: 12px;
  line-height: 16px;
  letter-spacing: 0.03em;
  color: var(--letter-colorRC);
}

.buttonCol {
  background-color: var(--dark-green);
  width: 122px;
  height: 48px;
  border-radius: 8px;
}

/*
button state
*/

section.aboutMe {
  width: 100vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 64px 24px;
  gap: 58px;
}

article.text > button.buttonCol {
  width: 159px;
  margin-top: 24px;
}

section.aboutMe > article.text {
  width: inherit;
  background-image: url("illustration\ about\ me\ desktop\ \(2\).svg"), url(illustration-\ about\ me-\ mobile.svg);
  background-repeat: no-repeat;
  background-position: top right, bottom left;
  background-size: contain;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0;
  gap: 24px;
}

article.text > div.rHeader {
  width: 100%;
}

article.text > div.rHeader > h2 {
  font-weight: 700;
  font-size: 40px;
  line-height: 52px;
  color: var(--text-color1);
  margin: 0 auto;
}

a > img {
  height: 20px;
  width: 14.1px;
}

.empty > img {
  width: 48px;
  height: 48px;
  margin: 16px;
}

article.text > img {
  width: 127.02px;
  height: 57px;
  position: absolute;
  left: - calc(127px / 2);
  bottom: 0;
}

div.know {
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: column;
  align-content: center;
  gap: 40px;
  background-color: var(--dark-white);
  border: 1px solid #c1c7d0;
  border-radius: 8px;
}

ul.maintain {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: auto;
  padding-left: 0;
  gap: 24px;
  margin-bottom: 0;
}

ul.maintain > li {
  width: inherit;
}

div.know > div.contain {
  margin-top: 16px;
  width: 100%;
  height: 128px;
}

div.know > div.contain > div.empty {
  margin-top: 24px;
  margin-bottom: 24px;
  width: 80px;
  height: 80px;
  margin-left: calc((100% - 80px) / 2);
  margin-right: calc((100% - 80px) / 2);
  border-radius: 50%;
  background-color: #fff;
  box-shadow: 0 16px 24px rgba(37, 47, 137, 0.08);
}

h3 {
  margin: 0 auto;
  font-weight: 600;
  font-size: 24px;
  line-height: 32px;
  color: var(--h3title-color);
}

div.know > div.describe {
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: column;
  align-content: space-between;
  gap: 24px;
  margin-bottom: 72px;
}

div.know > div.describe > h3 {
  font-weight: 600;
  font-size: 24px;
  line-height: 32px;
  text-align: center;
  color: var(--h3title-color);
}

div.know > div.describe > ul {
  margin: 0 auto;
}

div.know > div.describe > ul > li {
  background-color: #fff;
  height: 40px;
}

div.know > div.describe > ul > li > span {
  color: var(--dark-green);
}

.contact-form {
  display: flex;
  flex-direction: column;
  align-content: space-between;
  margin-bottom: 17px;
  background-image: url(Frame.svg);
  background-repeat: no-repeat;
  background-position: bottom right;
  background-size: 92.14px 131.71px;
}

footer > p {
  color: #42526e;
  font-weight: 400;
  font-size: 20px;
  line-height: 32px;
}

.contact-form > p {
  font-weight: 700;
  font-size: 40px;
  color: #172b4d;
  line-height: 52px;
  text-align: center;
  padding: 0;
  margin: -4px 24px 58px 24px;
  height: auto;
}

.contact-form form {
  margin-left: 24px;
  margin-right: 24px;
  display: flex;
  flex-direction: column;
  align-content: space-between;
  gap: 24px;
}

.contact-form input,
.contact-form textarea {
  appearance: none;
  background-color: #fff;
  border: 1px solid #d0d9d4;
  border-radius: 4px;
  font-size: 15px;
  color: #6b778c;
  padding: 15px 16px;
  box-sizing: border-box;
  height: 48px;
}

.contact-form textarea {
  height: 114px;
}

.contact-form textarea :hover {
  border: 1px solid #60c095;
}

.social-icons {
  margin-top: 44px;
  margin-bottom: 0;
  margin-left: auto;
  margin-right: auto;
}

footer {
  display: flex;
  flex-direction: column;
  align-content: space-between;
  gap: 113px;
}

footer > div.contentline {
  width: 100%;
  height: 34px;
}

.line {
  width: 134px;
  height: 5px;
  background-color: #0d151e;
  border-radius: 10px;
  margin: 21px auto 8px auto;
  padding: 0;
}

.desktop {
  display: none;
}

/* Desktop version */

@media only screen and (min-width: 768px) {
  main {
    box-sizing: border-box;
    width: 100%;
    overflow: hidden;
    background-image: url("leftcf.svg"), url("middlecf.svg"), url("rightcf.svg");
    background-repeat: no-repeat;
    background-position: bottom left, bottom 84.15px left 274px, bottom right;
    background-size: 236px 261px, 130px 105px, 316px 450px;
  }

  section#main {
    background-size: cover;
    background-position: top;
    width: 100%;
    height: auto;
  }

  header#smallScreen {
    display: none;
  }

  nav.navigation {
    display: block;
    width: 100%;
    height: 72px;
    margin-top: 0;
    margin-bottom: 0;
    position: fixed;
  }

  nav.navigation > ul {
    width: 255px;
    height: 40px;
    margin: auto;
    display: flex;
    flex-direction: row;
    align-items: space-between;
    gap: 8px;
    padding: 0;
  }

  nav.navigation > ul > li {
    padding: 10px 12px;
    font-weight: 600;
    font-size: 15px;
    line-height: 20px;
    color: #344563;
    transform: scale(1);
    transition-property: transform;
    transition-duration: 0.5s;
    transition-timing-function: linear;
  }

  nav.navigation > ul > li:hover {
    transform: scale(1.3);
  }

  section.headline {
    height: auto;
    width: 64%;
    max-width: 920px;
    margin: 0 auto auto auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 160px 0;
  }

  h1 {
    margin: 0 auto;
  }

  section.headline > header {
    margin-bottom: 24px;
  }

  .contact-form > p {
    font-size: 30px;
    line-height: 52px;
    height: 256px;
    margin: 0;
    width: auto;
    padding-top: 20px;
  }

  .content > p,
  article.text > p {
    height: auto;
  }

  #main section.icon {
    margin: 24px auto 74px auto;
  }

  .contact-form button {
    margin-left: 0;
  }

  section.headline > button {
    margin-bottom: 184px;
    margin-top: 0;
  }

  /* Recent work section */

  section.recentWork {
    height: auto;
    padding: 84px 8px;
    display: grid;
    grid-template-columns: 31% 31% 31%;
    width: 81.3%;
    max-width: 1187px;
    align-items: center;
    margin-left: auto;
    margin-right: auto;
    justify-content: space-between;
    row-gap: 24px;
    column-gap: 32px;
    margin-bottom: 28px;
  }

  div.title {
    grid-column: 1/span 3;
    margin-bottom: 20px;
    margin-left: auto;
    margin-right: auto;
    margin-top: -4px;
  }

  section.aboutMe > article > div,
  section.aboutMe > article > p {
    max-width: 920px;
    width: 64%;
  }

  section.recentWork > div.rHeader.title > div {
    display: none;
  }

  h1.title > br {
    display: none;
  }

  section.recentWork > article {
    max-width: 369px;
  }

  ul.language {
    width: auto;
  }

  .vide {
    height: 252px;
  }

  section.aboutMe {
    height: auto;
    padding: 80px 0;
    column-gap: 48px;
  }

  section.aboutMe > article.text {
    width: inherit;
    background-image: url("illustration\ about\ me\ desktop\ \(2\).svg"), url(illustration-desktopText.svg);
    background-position: top right, bottom 16px left;
    background-size: contain, auto;
    flex-direction: column;
    align-items: center;
    align-content: space-around;
    gap: 24px;
  }

  section.aboutMe > article > p {
    height: auto;
    font-weight: 400;
    font-size: 20px;
    line-height: 32px;
  }

  section.aboutMe > article.text > button {
    margin-top: 0;
  }

  ul.maintain {
    margin-top: 0;
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 4px 8px;
    gap: 24px;
    width: 1171px;
    height: auto;
  }

  div.know {
    width: 100%;
    height: 352px;
    display: flex;
    flex-direction: column;
    align-content: center;
    gap: 0;
    padding: 0 16px;
    padding-bottom: 24px;
  }

  div.know > div.contain {
    margin-top: 0;
    margin-bottom: 64px;
    padding-bottom: 0;
  }

  div.know > div.contain > div.empty {
    margin-top: 40px;
    margin-bottom: 0;
  }

  div.know > div.describe {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0;
    gap: 24px;
    margin-bottom: 0;
  }

  /* Hide footer mobile */

  .mobile {
    display: none;
  }

  .desktop {
    display: block;
  }

  .contact-form {
    display: grid;
    grid-template-columns: 37.2% 58.4%;
    align-items: flex-start;
    padding: 80px 0;
    gap: 24px;
    width: 81.3%;
    margin: 0 auto 145px auto;
    background-image: none;
  }

  .deskcol {
    grid-row: 1/span 3;
  }

  .contact-form > form {
    margin-left: 0;
  }

  .contact-form > form > input {
    height: 48px;
  }

  .contact-form > form > textarea {
    height: 114px;
  }

  .icon.desktop > ul {
    margin: 15px auto;
    width: 100%;
  }

  hr {
    width: 100%;
    height: 1px;
    color: #dfe1e6;
  }
}