* {
  margin: 0;
  padding: 0;
}
html {
  box-sizing: border-box;
  scroll-behavior: smooth;
}
*,
*::before,
*::after {
  box-sizing: inherit;
}
body {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: 'Raleway', sans-serif;
  font-style: normal;
  background: white;
}
textarea {
  resize: none;
}
a {
  color: black;
  text-decoration: none;
}
li {
  list-style-type: none;
}
.title {
  display: flex;
  align-items: center;
}
.title img {
  width: 64px;
  height: 64px;
  margin-right: 2em;
}
.title h2 {
  font-size: 2.5em;
}
.button {
  width: 13em;
  height: 2.5em;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  font-size: 1.2em;
  background: #04a863;
  border: none;
  text-align: center;
  cursor: pointer;
}
.button:hover {
  width: 14em;
  transition: 0.7s;
}

/* header style start*/

header {
  width: 100%;
  height: 370px;
  display: flex;
  justify-content: start;
  background-image: url(./assets/img/books.jpg);
  background-size: 100%;
}
.header__nav-wrap {
  height: 50px;
  display: flex;
  align-items: center;
  margin-top: 2em;
  margin-left: 15%;
}
.header__nav {
  background: none;
  display: flex;
  align-items: center;
}
.header__list {
  width: 590px;
  display: flex;
  justify-content: space-around;
  align-items: center;
}
.header__item {
  margin-right: 1.5em;
}
.header__swith {
  display: flex;
  justify-content: space-around;
  align-items: center;
}
.active__button.active {
  color: #04a863;
}
.header__button {
  background: none;
  border: none;
  outline: none;
  font-size: 1.2em;
  color: white;
  cursor: pointer;
}
.header__button:hover {
  color: #04a863;
  transition: 0.7s;
}
.header__swith div {
  color: white;
}
.header__swith-en {
  margin-right: 0.5em;
}
.header__swith-ru {
  margin-right: 1em;
  margin-left: 0.5em;
}
.header__link {
  font-size: 1.3em;
  color: white;
}
.header__link:hover,
.header__link:focus,
.header__link:active {
  color: #04a863;
  transition: 0.7s;
}
.header__link:active {
  color: #04a863;
}
.header__burger {
  display: none;
}
.header__theme-button {
  width: 40px;
  height: 40px;
  border: none;
  background: url('./assets/img/sun.png');
  filter: invert();
  background-size: 100%;
  cursor: pointer;
}
.arrow {
  width: 50px;
  height: 50px;
  position: fixed;
  right: 3em;
  bottom: 2em;
  z-index: 15;
  background: url(./assets/img/arrow3.png);
  background-size: 100%;
}
.arrow div {
  filter: invert();
}

/* header style end*/

/* name style start*/

main {
  width: 100%;
  display: flex;
  justify-content: center;
}
.container {
  max-width: 950px;
}
.name {
  margin: 0 auto;
  color: white;
  box-shadow: 5px 10px 40px rgba(247, 246, 241, 0.2);
  margin-top: -170px;
}
.name__wrapper {
  height: 350px;
  display: flex;
  justify-content: space-between;
  background: #04a863;
}
.name__info {
  width: 18em;
  font-size: 1.5em;
  padding: 2em 1.5em;
}
.name__content {
  display: flex;
}
.name__info-position {
  font-size: 0.8em;
  margin-bottom: 1.5em;
}
.name__contacts-wrap {
  display: flex;
}
.name__contacts-img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  filter: invert();
}
.name__contacts-img:hover {
  border: 3px black solid;
  transition: 0.4s;
}
.name__info-contact {
  display: flex;
  align-items: center;
  font-family: Georgia;
  font-size: 0.9em;
  margin-bottom: 0.3em;
  color: white;
}
.name__info-contact img {
  width: 1.5em;
  height: 1.5em;
  width: 35px;
  margin-right: 0.5em;
  padding: 3px;
}
.img {
  filter: invert();
}
.github {
  width: 100px;
  height: 100px;
  margin-left: 4em;
}
.name__info-links {
  display: flex;
  justify-content: space-around;
  margin-top: 2em;
}
.name__info-links a {
  width: 38px;
  height: 38px;
}
.name__info-links a img {
  width: 36px;
  height: 36px;
  margin: 6px;
}
.linkimg {
  filter: invert();
}
.linkimg:hover {
  width: 40px;
  height: 40px;
  margin: 4px;
}
.name__img {
  width: 420px;
  height: 350px;
  position: relative;
  overflow: hidden;
  background: url(./assets/img/ava.jpg) no-repeat;
  background-position: 30px 0;
  background-size: 100%;
}
.name__img:after {
  content: '';
  position: absolute;
  left: -90%;
  height: 120%;
  width: 115%;
  background: #04a863;
  -webkit-transform: rotate(-5deg);
  -moz-transform: rotate(-5deg);
  transform: rotate(-15deg);
}

/* name style end*/

/* aboutMe style start*/

.aboutMe {
  box-shadow: 0 5px 10px rgba(21, 24, 36, 0.15993);
  margin-top: 3em;
}
.aboutMe__info {
  height: 196px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  font-size: 1.1em;
  letter-spacing: 0.5px;
  box-shadow: 0 0.5px 5px rgba(21, 24, 36, 0.15993);
  padding: 2em;
}
.aboutMe__contactMe-button {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1.5em;
}

/* aboutMe style end*/

/* skills style start*/

.skills {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 4em;
}
.skills__info {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 5px 10px rgba(21, 24, 36, 0.15993);
  margin-top: 3em;
  padding: 2em;
}
.skills__skill {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.skills__skill-img {
  width: 100px;
  height: 100px;
}
.skills__skill div {
  font-size: 1.3em;
  font-weight: 700;
}
.skills__skill-wrap-top {
  width: 95%;
  display: flex;
  justify-content: space-around;
  border-bottom: #04a863 2px solid;
  padding-bottom: 2em;
}
.skills__skill-top {
  margin-left: 3em;
  margin-right: 3em;
}
.skills__skill-top:after {
  content: '';
  display: inline-block;
  width: 2em;
  height: 2px;
  background-color: #04a863;
  vertical-align: middle;
  transform: rotate(90deg);
  margin-top: 1.5em;
}
.skills__skill-wrap-bottom {
  width: 75%;
  display: flex;
  justify-content: space-around;
  padding-top: 2em;
}
.skills__skill-bottom:before {
  content: '';
  display: inline-block;
  width: 2em;
  height: 2px;
  background-color: #04a863;
  vertical-align: middle;
  transform: rotate(90deg);
  margin-bottom: 1.5em;
}

/* skills style end*/

/* portfolio style start*/

.portfolio {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 4em;
}
.portfolio__info {
  height: 1000px;
  position: relative;
  margin-top: 3em;
}
.portfolio__info::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 23px;
  left: 50%;
  height: 99.5%;
  width: 4px;
  background: #04a863;
}
.portfolio__card-wrapper {
  height: 100px;
  display: flex;
  margin-right: 13em;
  margin-bottom: 2em;
}
.portfolio__card {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.portfolio__card img {
  width: 360px;
  height: 300px;
}
.portfolio__card div {
  font-weight: 500;
  font-size: 1.5em;
  margin-top: 5px;
}
.portfolio__card-title:before {
  content: '';
  display: inline-block;
  width: 1.5em;
  height: 2px;
  background-color: #04a863;
  vertical-align: middle;
}
.portfolio__card-title {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  font-size: 1.4em;
  font-weight: 800;
  color: #04a863;
  margin-top: -50px;
}
.portfolio__card-title:after {
  content: '';
  display: inline-block;
  width: 1.5em;
  height: 2px;
  background-color: #04a863;
  vertical-align: middle;
}
.portfolio__card-titleText {
  width: 40px;
  height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.4em;
  font-weight: 800;
  border: #04a863 3px solid;
  border-radius: 50%;
}
.left {
  margin-right: 0;
  margin-left: 29.2em;
}

/* portfolio style end*/

/* certificates style start*/

.certificates {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 3em;
}
.cecertificates__wrapper {
  width: 1500px;
  display: flex;
  justify-content: space-around;
  margin-top: 3em;
}
.certificat {
  width: 600px;
  height: 400px;
}
.certificat:hover {
  transition: 0.7s;
  box-shadow: 0 10px 20px rgba(21, 24, 36, 0.15993);
}

/* certificates style end*/

/* contacts style start*/

.contact {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 3em;
}
.contact__wrapper {
  width: 100%;
  box-shadow: 0 5px 10px rgba(21, 24, 36, 0.15993);
  margin-top: 3em;
}
.contact__forms {
  display: flex;
  flex-direction: column;
  margin-left: 2em;
  margin-right: 2em;
  margin-bottom: 1em;
}
.contact__input {
  width: 100%;
  height: 2.5em;
  font-family: 'Raleway', sans-serif;
  font-size: 1.3em;
  background: none;
  border: none;
  border-bottom: #04a863 2px solid;
  outline: none;
  margin-bottom: 1em;
  padding: 10px;
  color: #424242;
}
.last-input {
  height: 5.7em;
}
.contact__button {
  margin-bottom: 1em;
  margin-left: 1em;
}

/* contacts style end*/

/* footer style start*/

footer {
  width: 100%;
  height: 3em;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* footer style end*/

@media (max-width: 1300px) {
  header {
    justify-content: center;
  }
  .header__nav-wrap {
    margin-left: 0;
  }
  .container {
    width: 600px;
  }
  .arrow {
    width: 35px;
    height: 35px;
    font-size: 1.5em;
    right: 0.5em;
    bottom: 0.5em;
  }
  .name__wrapper {
    height: 270px;
  }
  .name__info {
    font-size: 1.1em;
    padding: 1em 1em;
  }
  .name__info-position {
    font-size: 0.8em;
    margin-bottom: 1.5em;
  }
  .github {
    width: 70px;
    height: 70px;
    margin-left: 0.5em;
  }
  .name__contacts-img {
    width: 70px;
    height: 70px;
  }
  .name__img {
    height: 270px;
  }
  .aboutMe__info {
    height: 230px;
  }
  .skills__info {
    padding: 1em;
  }
  .skills__skill-img {
    width: 70px;
    height: 70px;
  }
  .skills__skill div {
    font-size: 1em;
  }
  .skills__skill-top {
    margin-left: 0;
    margin-right: 0;
  }
  .portfolio__info {
    height: 930px;
  }
  .portfolio__card-wrapper {
    height: 100px;
    display: flex;
    margin-right: 13em;
    margin-bottom: 2em;
  }
  .portfolio__card img {
    width: 230px;
  }
  .portfolio__card div {
    font-size: 1.1em;
  }
  .portfolio__card-title:before {
    width: 0.8em;
  }
  .portfolio__card-title:after {
    width: 0.8em;
  }
  .left {
    margin-right: 0;
    margin-left: 19.5em;
  }
  .cecertificates__wrapper {
    width: 600px;
    height: 900px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
  }
}
@media (max-width: 750px) {
  header {
    justify-content: start;
    width: 100%;
  }
  .header__nav-wrap {
    margin-left: 1em;
  }
  .header__nav {
    display: block;
    width: 170%;
    height: 100%;
    position: fixed;
    background: #04a863;
    color: white;
    top: 0;
    left: 0;
    z-index: 10;
    transform: translateX(100%);
    transition: 0.2s all linear;
  }
  .hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    cursor: pointer;
    user-select: none;
    position: fixed;
    right: 1em;
    top: 1em;
    z-index: 15;
  }
  .line {
    width: 30px;
    height: 3px;
    background: #04a863;
    margin: 3px 0;
    z-index: 15;
    transition: 0.7s;
  }
  .hamburger.open .line1 {
    transform: rotate(-45deg) translate(-7px, 5px);
    background: white;
  }
  .hamburger.open .line2 {
    opacity: 0;
  }
  .hamburger.open .line3 {
    transform: rotate(45deg) translate(-7px, -5px);
    background: white;
  }
  .white-burger {
    background: white;
  }
  .header__list {
    flex-direction: column;
    align-items: start;
    margin-left: 1em;
    margin-top: 4em;
  }
  .header__item {
    margin-bottom: 2em;
    margin-right: 1em;
    margin-left: 1em;
  }
  .header__item a {
    font-weight: 300;
    font-size: 1.5em;
  }
  .header__nav_active {
    transform: translateX(24%);
  }
  .arrow {
    width: 35px;
    height: 35px;
    right: 2em;
    bottom: 2.6em;
    font-size: 1em;
  }
  .container {
    width: 90%;
  }
  .name__wrapper {
    height: 100%;
    flex-direction: column-reverse;
    align-items: center;
  }
  .name__info {
    width: 15em;
    font-size: 1em;
    padding: 1em;
  }
  .name__info-position {
    margin-bottom: 1em;
  }
  .name__contacts-wrap {
    flex-direction: column;
    align-items: center;
  }
  .github {
    width: 100px;
    height: 100px;
    margin-left: 0;
  }
  .name__contacts-img {
    width: 100px;
    height: 100px;
  }
  .name__info-links {
    margin-top: 1em;
  }
  .name__info-links a {
    width: 3em;
    height: 3em;
  }
  .name__info-links a img {
    width: 2em;
    height: 2em;
  }
  .name__img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    margin-top: -100px;
    background-position: 0 0;
  }
  .name__img:after {
    display: none;
  }
  .aboutMe {
    margin-top: 1em;
  }
  .aboutMe__info {
    height: 290px;
    padding: 1em;
  }
  .portfolio {
    justify-content: space-between;
  }
  .portfolio__info {
    height: 100%;
  }
  .portfolio__info::before {
    display: none;
  }
  .portfolio__card-wrapper {
    height: 100px;
    margin-right: 0;
    margin-bottom: 50%;
  }
  .portfolio__card {
    font-size: 1.4em;
  }
  .portfolio__card img {
    width: 100%;
  }
  .portfolio__card-titleText {
    display: none;
  }
  .portfolio__card-title:before {
    display: none;
  }
  .portfolio__card-title:after {
    display: none;
  }
  .left {
    margin-right: 0;
    margin-left: 0;
  }
  .cecertificates__wrapper {
    width: 90%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
  }
  .certificat {
    width: 100%;
    height: 100%;
    margin-top: 3em;
  }
  .contact__wrapper {
    margin-top: 1em;
  }
  .contact__forms {
    align-items: center;
    margin: 1em;
  }
  .contact__button {
    margin-left: 0;
  }
  footer {
    height: 4em;
  }
}
@media (max-width: 480px) {
  .title img {
    width: 60px;
    height: 60px;
    margin-right: 1em;
  }
  .title h2 {
    font-size: 2em;
  }
  .aboutMe__info {
    height: 420px;
  }
  .skills {
    margin-top: 2em;
  }
  .skills__info {
    margin-top: 2em;
    padding: 0.2em;
  }
  .skills__skill-top img {
    width: 60px;
    height: 60px;
  }
  .skills__skill-bottom img {
    width: 60px;
    height: 60px;
  }
  .skills__skill div {
    font-size: 0.9em;
  }
  .skills__skill-wrap-top {
    padding-bottom: 0.5em;
  }
  .skills__skill-top:after {
    width: 1.2em;
    margin-top: 0.5em;
  }
  .skills__skill-wrap-bottom {
    padding-top: 0.5em;
  }
  .skills__skill-bottom:before {
    width: 1.2em;
    margin-bottom: 0.5em;
  }
}
@media (max-width: 320px) {
  .aboutMe__info {
    height: 550px;
    padding: 1em;
  }
}

/* change theme start */

.dark-theme {
  background: #252525;
  color: #b4b4b4;
}
.dark-footer-input {
  color: #b4b4b4;
}
.dark-button {
  color: #252525;
  font-weight: 600;
}
.name__img-dark {
  filter: invert(50%);
}
.dark-img::after {
  background: #252525;
}
.dark-button-theme {
  background: url(./assets/img/moon.png);
  background-size: 100%;
}
.dark-card-name {
  color: #b4b4b4;
}

/* change theme end */