html {
  box-sizing: border-box;
  font-size: 62.5%;
}

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

* {
  margin: 0;
  padding: 0;
}

ul {
  list-style: none;
}

a:link, a:visited, a:hover, a:active {
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

abbr[title] {
  text-decoration: none;
}

section {
  width: 90%;
  margin: 0 auto;
}

::placeholder {
  color: #366092;
}

::selection {
  color: #dce6f2;
  background: #366092;
}

.center {
  text-align: center;
}

.work__date, .education__date {
  float: right;
  font-size: 1.4rem;
}

body {
  color: #262626;
  font-family: 'Open Sans', sans-serif;
  font-weight: 300;
  font-size: 1.4rem;
}

h1, h2, h3, h4 {
  color: #dce6f2;
  font-weight: 300;
  font-family: 'Source Sans Pro', sans-serif;
}

h1 {
  text-transform: uppercase;
}

h3, h4 {
  color: #366092;
  font-weight: 700;
}

h3 {
  text-transform: uppercase;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  grid-gap: 1.5rem;
  align-items: end;
  padding: 4rem 0 2rem;
  transition: all .5s ease-out;
}

h3:hover {
  transform: skewY(-0.2deg) scale(1.02) translateX(0);
}

h3::before, h3::after {
  content: '';
  display: block;
  height: .15rem;
  background: #366092;
  margin-bottom: .4rem;
  background: linear-gradient(to left, #dce6f2, #366092);
}

h3::before {
  background: linear-gradient(to right, #dce6f2, #366092);
}

h4 {
  font-family: 'Open Sans', sans-serif;
  font-size: 1.6rem;
  display: inline-block;
}

.nav {
  width: 95%;
  margin: 0 auto;
  background: #366092;
  transition: all .5s ease-out;
}

.nav__list {
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(30%, 1fr));
  grid-gap: 2rem;
  justify-items: center;
}

.nav__item {
  transition: all .5s ease-out;
}

.nav__item:hover {
  transform: skewY(-4deg) scale(1.1) translateX(0.5rem);
}

.nav__item:hover {
  border-bottom: 0.1rem solid #dce6f2;
}

.nav__link:link, .nav__link:visited, .nav__link:hover, .nav__link:active {
  color: #dce6f2;
}

.menu {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.5rem;
  height: 2.5rem;
  cursor: pointer;
  z-index: 20;
  padding: 3rem;
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
  padding-left: 3rem;
  padding-right: .5rem;
}

.menu__btn, .menu__btn::before, .menu__btn::after {
  width: 2.5rem;
  height: .2rem;
  background-color: #dce6f2;
  transition: all .5s ease-out;
  position: relative;
  float: right;
}

.menu__btn::before, .menu__btn::after {
  content: "";
  display: inline-block;
  position: absolute;
}

.menu__btn::before {
  top: -.7rem;
  right: 0;
}

.menu__btn::after {
  top: .6rem;
  left: 0;
}

.menu__btn.open {
  background: transparent;
}

.menu__btn.open::before {
  transform: rotate(45deg) translate(0.4rem, 0.7rem);
}

.menu__btn.open::after {
  transform: rotate(-45deg) translate(0.25rem, -0.5rem);
}

.header {
  background-color: #366092;
  clip-path: polygon(0 0, 100% 0, 100% 75%, 0 100%);
  padding: 6rem 0 9rem;
  position: relative;
}

.header__nav {
  position: absolute;
  top: 3rem;
  transform: translateY(-16rem);
  padding: 0 0 3rem;
}

.header__nav--name {
  grid-column: 1 / -1;
  width: 90%;
  color: #dce6f2;
  font-size: 2.3rem;
  font-weight: 300;
  padding: 0 0 3rem 0;
  margin: -2rem auto 0 7%;
  display: none;
}

.header__nav--name:hover {
  transform: skewY(0) scale(1) translateX(0);
}

.header__nav.open {
  transform: translateY(1rem);
}

.info {
  font-style: normal;
  width: 100%;
  padding: 6rem 0;
  background-color: #dce6f2;
  clip-path: polygon(0 15%, 100% 0, 100% 85%, 0 100%);
  margin-top: -6rem;
}

.info__text {
  position: relative;
  line-height: 3;
  font-weight: 600;
  text-align: center;
  transform: translateX(-2rem);
}

.info__icon {
  height: 2.5rem;
  width: 2.5rem;
  fill: #366092;
  position: absolute;
  top: 1rem;
  transform: translateX(50%);
  transition: all .5s ease-out;
}

.info__icon:hover {
  transform: skewY(-4deg) scale(1.1) translateX(1.7rem);
}

.info a:link, .info a:visited, .info a:hover, .info a:active {
  color: #262626;
}

.about h3 {
  padding-top: 3rem;
}

.about__paragraph > *:not(:last-child) {
  padding-bottom: 0.5rem;
}

.about__paragraph p {
  font-weight: 400;
}

.work__wrapper > *:not(:last-child) {
  padding-bottom: 3rem;
}

.work__date {
  padding-top: .2rem;
}

.work__company {
  padding: 1rem 0 .5rem 0;
}

.work__desc > p {
  margin-left: 1rem;
}

.work__desc > *:not(:last-child) {
  padding-bottom: 0.5rem;
}

.education__institution {
  padding-bottom: 1rem;
}

.education__degree {
  font-size: 1.6rem;
  font-weight: 300;
}

.education__date {
  padding-top: .3rem;
}

.skills__list li {
  padding: .5rem;
  font-weight: 400;
  line-height: 1;
}

.languages__language > *:not(:last-child) {
  padding-bottom: 2rem;
}

.projects__project > *:not(:last-child) {
  padding-bottom: 2rem;
}

.projects__project h4 {
    margin-bottom: 10px;
}

.certificates__mobile > li {
  display: block;
  padding: .4rem;
}

.certificates__mobile > li > a {
  color: #262626;
}

.certificates__desktop {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.certificates__desktop > li {
  display: none;
}

.certificates__desktop img {
  max-width: 22rem;
}

.hobbies__paragraph > *:not(:last-child) {
  padding-bottom: 1rem;
}

.contact {
  background-color: #dce6f2;
  clip-path: polygon(0 10%, 100% 0, 100% 85%, 0 100%);
  padding: 4rem 0 8.5rem;
  margin-top: 2rem;
  position: relative;
}

.contact__field {
  position: relative;
  margin-bottom: 3rem;
}

.contact__form {
  width: 60%;
  margin: 2rem auto 0;
  position: relative;
  font-size: 1.4rem;
  font-weight: bold;
  color: #366092;
}

.contact__form input, .contact__form textarea, .contact__form button {
  font: inherit;
  background-color: transparent;
  color: currentColor;
  position: relative;
  display: block;
  width: 100%;
  height: 3.3rem;
  padding: .5rem;
  border: none;
  border-bottom: 0.1rem solid #366092;
  border-radius: .15rem;
  outline: none;
  box-shadow: none;
  transition: all .5s ease-out;
}

.contact__form label {
  margin-bottom: 3rem;
  display: block;
  text-align: justify;
  transform: translateY(0);
  position: absolute;
  bottom: 0;
  left: 0;
  opacity: 0;
  z-index: 1;
  transition: all .5s ease-out;
}

.contact__form button {
  color: #366092;
  background: linear-gradient(to left, #366092 0%, #dce6f2 50%, #366092 100%);
  border: none;
  padding: .7rem;
  position: relative;
  z-index: 10;
  transition: all .5s ease-out;
}

.contact__form button:hover {
  opacity: 0;
}

.contact__form button:hover + div {
  opacity: 1;
}

.contact__form input:focus, .contact__form textarea:focus {
  box-shadow: 0px 0.2rem 0px 0px #366092;
}

.contact__form input:focus + label, .contact__form textarea:focus + label {
  opacity: 1;
  padding: 0 1rem;
  color: #3d6ca5;
  transform: translateY(-0.5rem);
}

.contact__btnbg {
  position: relative;
  height: 3.3rem;
  width: 100%;
  transform: translateY(-3.3rem);
  z-index: 1;
  opacity: 0;
  background: linear-gradient(to left, #dce6f2 0%, #366092 50%, #dce6f2 100%);
  color: #dce6f2;
  padding-top: .7rem;
  font-weight: bold;
  transition: all .5s ease-out;
}

.contact__error-msg {
  width: 100%;
  position: absolute;
  top: 0;
  clip-path: polygon(0 40%, 100% 0, 100% 100%, 0 100%);
  color: #dce6f2;
  background: #366092;
  font-weight: bold;
  padding: 7rem 0 3rem;
  opacity: 0;
  z-index: 1;
  transition: all .5s ease-out;
}

.contact__error-msg.show {
  opacity: 1;
}

.contact__list {
  display: grid;
  grid-auto-flow: column;
  padding: 0 20%;
}

.contact__list li {
  display: inline-block;
  margin: 0 auto;
}

.contact__icon {
  height: 3.5rem;
  width: 3.5rem;
  fill: #366092;
  transition: all .5s ease-out;
}

.contact__icon:hover {
  transform: skewY(-4deg) scale(1.1) translateX(0.5rem);
}

.footer {
  background: #366092;
  clip-path: polygon(0 25%, 100% 0, 100% 100%, 0 100%);
  padding: 9rem 0 6rem;
  margin-top: -8rem;
}

.not-found {
  display: block;
  width: 100vw;
  margin: 0 auto;
  color: #366092;
}

.not-found p {
  color: #366092;
  font-size: 4rem;
}

.not-found p:first-child {
  margin-top: 4rem;
}

.not-found p:nth-child(2) {
  margin-bottom: 4rem;
}

.not-found a {
  font-size: 2.5rem;
  color: #366092;
}

.not-found__icon {
  height: 3.5rem;
  width: 3.5rem;
  fill: #366092;
  vertical-align: middle;
}

@media screen and (min-width: 37.5em) {
  .header__nav--name {
    display: grid;
  }
  .skills {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

.sidebar .lang-hob {
  display: none;
}

@media screen and (min-width: 56.25em) {
  h1 {
    font-size: 4rem;
  }
  h2 {
    font-size: 3rem;
  }
  body {
    display: grid;
    grid-template-columns: 1fr 2fr;
    grid-template-areas: 'header header' 'sidebar main' 'contact contact' 'footer footer';
    font-size: 1.5rem;
  }
  .header {
    grid-area: header;
    z-index: 5;
  }
  .sidebar {
    grid-area: sidebar;
    background: #dce6f2;
    margin: -3rem 0 -9rem 0;
    padding: 6rem 1rem 15rem 1rem;
  }
  .sidebar .lang-hob {
    display: block;
  }
  .main {
    grid-area: main;
  }
  .main .lang-hob {
    display: none;
  }
  .certificates__mobile > li {
    display: none;
  }
  .certificates__desktop > li {
    display: block;
  }
  .contact {
    grid-area: contact;
    background: #366092;
  }
  .contact h3 {
    color: #dce6f2;
  }
  .contact__form {
    margin-top: 4rem;
  }
  .contact__form input, .contact__form textarea {
    color: #dce6f2;
    border-color: #dce6f2;
  }
  .contact__form input:focus + label, .contact__form textarea:focus + label {
    color: #c9d9eb;
  }
  .contact__error-msg {
    color: #366092;
    background: #dce6f2;
  }
  .contact__icon {
    fill: #dce6f2;
  }
  .info {
    margin-bottom: -4rem;
  }
  .footer {
    grid-area: footer;
    margin-top: -10rem;
    padding-top: 6rem;
  }
  .footer__nav {
    border-top: 0.1rem solid #dce6f2;
    padding-top: 5rem;
  }
  .skills {
    grid-template-columns: 1fr;
  }
  ::placeholder {
    color: #dce6f2;
  }
}

@media screen and (min-width: 68.75em) {
  .sidebar {
    padding-left: 5vw;
  }
  .main {
    padding-right: 5vw;
  }
  .certificates__desktop img {
    width: 25rem;
  }
}

@media screen and (min-width: 75em) {
  body {
    font-size: 1.6rem;
  }
  .sidebar {
    padding-left: 12vw;
  }
  .main {
    padding-right: 12vw;
  }
}