:root {
  --color-secondary-light: #f8f8ff;
  --color-tertiary-light: #fff;
  --color-grey-dark-light: #363636;
  --color-grey-lightest-light: #707070;
  --switch-icon-light: '🌚';

  --color-secondary-dark: #0F0F0F;
  --color-tertiary-dark: #0A0A0A;
  --color-grey-dark-dark: #d0d0d0;
  --color-grey-lightest-dark: #a2a2a2;
  --switch-icon-dark: '🌞';

  --color-primary: #ffcc01;
  --color-secondary: var(--color-secondary-light);
  --color-tertiary: var(--color-tertiary-light);

  --color-grey-dark: var(--color-grey-dark-light);
  --color-grey-lightest: var(--color-grey-lightest-light);
  --switch-icon: var(--switch-icon-light);

  --color-grey-shadow: #0000004d;
}

*,
*::after,
*::before {
  margin: 0;
  padding: 0;
  box-sizing: inherit;
}

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

.body {
  font-family: Google Sans, sans-serif;
  font-weight: 400;
  line-height: 1.4;
}

.app {
  color: var(--color-grey-dark);
  font-size: 1.8rem;
  background-image: linear-gradient(
    to right, var(--color-secondary) 61%, var(--color-tertiary) 10%
  );

  @media only screen and (max-width: 62.5em) {
    font-size: 1.5rem;
  }

  @media only screen and (max-width: 50em) {
    font-size: 1.2rem;
  }

  @media only screen and (max-width: 37.5em) {
    background-image: none;
    background-color: var(--color-tertiary);
  }
}

.mt-3 {
  margin-top: 3rem;

  @media only screen and (max-width: 62.5em) {
    margin-top: 1.5rem;
  }

  @media only screen and (max-width: 50em) {
    margin-top: 1rem;
  }
}

.mt-8 {
  margin-top: 8rem;

  @media print {
    margin-top: 1.3cm;
  }

  @media only screen and (max-width: 62.5em) {
    margin-top: 6rem;
  }

  @media only screen and (max-width: 50em) {
    margin-top: 4rem;
  }

  @media only screen and (max-width: 37.5em) {
    margin-top: 0;
  }
}

.link--secondary {
  color: var(--color-grey-dark);
}

.link {
  position: relative;

  &:after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--color-primary);
    transform-origin: bottom right;
    transition: transform 0.25s ease-out;
  }

  &:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
  }
}

.title {
  color: var(--color-primary);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 3.5rem;
  line-height: 3rem;
  letter-spacing: .5rem;

  @media print {
    font-size: 22.5pt;
  }

  @media only screen and (max-width: 62.5em) {
    font-size: 2.5rem;
  }

  @media only screen and (max-width: 50em) {
    font-size: 2rem;
    letter-spacing: .3rem;
  }
}

.theme-switch {
  position: absolute;
  height: 0;
  width: 0;
}

.theme-switch:checked ~ .app {
  --color-secondary: var(--color-secondary-dark);
  --color-tertiary: var(--color-tertiary-dark);

  --color-grey-dark: var(--color-grey-dark-dark);
  --color-grey-lightest: var(--color-grey-lightest-dark);
  --switch-icon: var(--switch-icon-dark);
}

.theme-switch:checked ~ .app .switch-label:before {
  translate: 100%;
}

.switch-label {
  display: flex;
  align-items: center;

  padding: .3rem;

  position: absolute;
  top: 3rem;
  right: 5rem;

  width: 6rem;
  height: 3rem;

  cursor: pointer;
  background-color: var(--color-primary);
  border-radius: 100rem;
  font-size: 2rem;

  @media print {
    display: none;
  }

  @media only screen and (max-width: 50em) {
    font-size: 1.2rem;

    width: 4rem;
    height: 2rem;

    top: 2.5rem;
    right: 7rem;
  }

  @media only screen and (max-width: 37.5em) {
    right: unset;
    top: 2.5rem;
    left: 2.5rem;
  }

  &:before {
    content: var(--switch-icon);
    transition: .3s;
  }
}

.navigation__checkbox:checked ~ .navigation__background {
  scale: 90;
}

.navigation__checkbox:checked ~ .navigation__nav {
  opacity: 1;
  visibility: visible;
  width: 100%;
}

.navigation__checkbox:checked + .navigation__btn .burger-label__icon {
  background-color: transparent;
}

.navigation__checkbox:checked + .navigation__btn .burger-label__icon:after {
  top: 1.9rem;
  rotate: -135deg;
  transition: .5s all cubic-bezier(.23, .45, .18, 1.20);
}

.navigation__checkbox:checked + .navigation__btn .burger-label__icon:before {
  top: 1.9rem;
  rotate: 135deg;
  transition: .5s all cubic-bezier(.23, .45, .18, 1.20);
}

.navigation {
  .navigation__checkbox {
    display: none;
  }

  .navigation__nav {
    position: fixed;
    opacity: 0;
    visibility: hidden;
    width: 0;
    height: 100dvh;
    z-index: 200;
    transition: all 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.75);

    .navigation__list {
      display: grid;
      justify-items: center;
      align-content: center;
      gap: 2rem;

      position: absolute;
      inset: 0;
      margin: auto;

      .navigation__item {
        list-style: none;
        font-size: 2.3rem;

        .navigation__link,
        .navigation__num {
          color: var(--color-grey-dark-light);
        }

        .navigation__link {
          text-decoration: none;
          text-transform: uppercase;
          margin-left: .5rem;

          &:active {

          }
        }
      }
    }
  }

  .navigation__background {
    display: none;
    position: fixed;
    right: 2rem;
    top: 2rem;

    border-radius: 100rem;
    background-color: var(--color-primary);
    scale: 1;

    height: 3rem;
    width: 3rem;

    z-index: 100;
    transition: all .7s cubic-bezier(0.86, 0, 0.07, 1);

    @media only screen and (max-width: 50em) {
      display: unset;
    }
  }
}

.navigation__btn {
  display: none;

  position: fixed;
  top: 1.5rem;
  right: 1.5rem;

  width: 4rem;
  height: 4rem;
  border-radius: 100rem;
  z-index: 300;

  background-color: var(--color-secondary);
  box-shadow: .1rem .3rem 3.5rem var(--color-grey-shadow);

  .burger-label__icon {
    display: block;
    height: .16rem;
    width: 1.7rem;
    background-color: var(--color-primary);

    &:after,
    &:before {
      content: '';
      display: block;
      position: absolute;
      height: inherit;
      width: inherit;
      background-color: var(--color-primary);
      transition: .35s all cubic-bezier(.23, .45, .18, 1.17);
    }

    &:before {
      top: 1.4rem;
    }

    &:after {
      bottom: 1.4rem;
    }
  }

  @media only screen and (max-width: 50em) {
    display: grid;
    justify-content: center;
    align-items: center;
  }
}

.container {
  position: relative;
  display: grid;
  grid-template-columns: [main-start] 1fr [main-end aside-start] .6fr [aside-end];

  max-width: 131rem;
  padding: 10rem 5rem;
  margin: 0 auto;
  column-gap: 15rem;

  background-image: linear-gradient(
    to right, var(--color-secondary) 61%, var(--color-tertiary) 10%
  );

  grid-template-areas:
        "header image"
        "contact image"
        "profile aside"
        "experience aside"
        "certificates .";

  @media print {
    padding: 1.5cm 8mm;
    column-gap: 8mm;

    grid-template-areas:
        "header image"
        "contact aside"
        "profile aside"
        "experience aside"
        "certificates .";
  }

  @media only screen and (max-width: 75em) {
    grid-template-columns: [main-start] 1fr [main-end aside-start] .6fr [aside-end];
    column-gap: 7rem;
  }

  @media only screen and (max-width: 50em) {
    grid-template-columns: [main-start] 1fr [main-end aside-start] .6fr [aside-end];
    column-gap: 3rem;
    padding: 7rem 2.5rem;
  }

  @media only screen and (max-width: 37.5em) {
    grid-template-columns: [main-start] 1fr [main-end];
    grid-template-areas:
        "header"
        "image"
        "contact"
        "profile"
        "experience"
        "aside"
        "certificates";

    justify-content: center;
    align-items: center;
    gap: 4rem;
    background-image: unset;
    padding-top: 8rem;
  }
}

.main {
  padding: 10rem 5rem;
  background-color: var(--color-secondary);

  @media only screen and (max-width: 50em) {
    padding: 7rem 3rem;
  }
}

.aside {
  display: grid;
  margin-left: 2rem;
  grid-area: aside;
  align-content: start;

  @media only screen and (max-width: 37.5em) {
    margin-left: 0;
    gap: inherit;
  }
}

.list {
  display: grid;
  gap: 2rem;

  @media only screen and (max-width: 50em) {
    gap: 1rem;
  }

  .list__item {
    font-weight: 700;
    list-style: none;

    &:before {
      content: '▪';
      color: var(--color-primary);
      margin-right: 2rem;
    }

    @media only screen and (max-width: 37.5em) {
      &:before {
        margin-right: 1.2rem;
      }
    }
  }
}

.resources {
  display: grid;
  gap: .5rem;

  .resources__resource {
    text-decoration: none;
    color: var(--color-grey-lightest);
  }
}

.header {
  grid-area: header;

  .header__heading,
  .header__surname {
    font-size: 5.5rem;
    text-transform: uppercase;
    line-height: 5.3rem;
    max-width: 70rem;

    @media print {
      font-size: 26.25pt;
      line-height: 8mm;
    }

    @media only screen and (max-width: 75em) {
      font-size: 3.5rem;
      max-width: 50rem;
      line-height: 4.4rem;
    }

    @media only screen and (max-width: 50em) {
      font-size: 2.5rem;
      max-width: 30rem;
      line-height: 3rem;
    }

    @media only screen and (max-width: 37.5em) {
      font-size: 2.45rem;
      line-height: 2.4rem;
    }
  }

  .header__sub-heading {
    letter-spacing: .7rem;
    font-size: 3.5rem;
    font-weight: 400;

    @media print {
      font-size: 11.25pt;
    }

    @media only screen and (max-width: 75em) {
      font-size: 2.5rem;
    }

    @media only screen and (max-width: 50em) {
      font-size: 1.5rem;
      letter-spacing: .3rem;
    }
  }
}

.contact {
  margin-top: 10rem;
  display: flex;
  align-items: center;
  gap: 2.5rem;

  grid-area: contact;

  @media print {
    margin-top: -2cm;
  }

  @media only screen and (max-width: 62.5em) {
    margin-top: 8rem;
  }

  @media only screen and (max-width: 50em) {
    margin-top: 6rem;
    gap: 1.5rem;
  }

  @media only screen and (max-width: 37.5em) {
    margin-top: 1rem;
  }

  .contact__icons {
    padding: .5rem 0;
    display: grid;
    align-items: center;
    justify-content: center;
    gap: 1.2rem;

    border: .35rem solid var(--color-primary);
    border-radius: 10rem;

    min-width: 3.7rem;
    min-height: 11.5rem;

    @media only screen and (max-width: 62.5em) {
      min-width: 3.3rem;
      min-height: 10rem;
    }

    @media only screen and (max-width: 50em) {
      border-width: .3rem;
      min-width: 2.7rem;
      min-height: 8rem;
    }
  }

  .contact__icon {
    max-width: 1.8rem;
    max-height: 1.8rem;

    @media only screen and (max-width: 50em) {
      width: 1.2rem;
    }
  }
}

.profile {
  grid-area: profile;
}

.experience {
  grid-area: experience;

  .experience__projects-wrapper {
    display: grid;
    gap: 2rem;
  }

  .experience__project__link {
    text-decoration: none;
    color: inherit;
  }

  .experience__project__description {
    margin-top: 1rem;
  }

  .experience__project__preview {
    margin-top: 3rem;
    width: 100%;
    border-radius: .6rem;
    box-shadow: 0 0 2rem var(--color-grey-shadow);
  }

  .minesweeper-image {
    width: 50%;

    @media only screen and (max-width: 37.5em) {
      width: 60%;
    }
  }
}

.certificates {
  grid-area: certificates;
}

.image {
  position: relative;
  grid-area: image;

  display: flex;
  justify-content: center;
  align-items: center;

  width: 30rem;
  height: 30rem;

  border-radius: 100rem;
  border: .5rem solid var(--color-secondary);

  @media print {
    width: 5.3cm;
    height: 5.3cm;
  }

  @media only screen and (max-width: 62.5em) {
    width: 20rem;
    height: 20rem;
  }

  @media only screen and (max-width: 37.5em) {
    justify-self: right;
  }

  &:before {
    content: '';

    display: block;
    position: absolute;
    bottom: 3rem;
    left: 2rem;

    width: 10%;
    height: 10%;

    border-radius: 100rem;
    background-color: var(--color-primary);
  }

  @media only screen and (max-width: 62.5em) {
    &:before {
      bottom: 1rem;
    }
  }

  @media print {
    &:before {
      bottom: 2.5mm;
    }
  }

  &:after {
    content: '';

    position: absolute;
    border-radius: 10rem;

    right: -2.8%;
    bottom: 49.5%;

    width: 1rem;
    height: .9rem;

    background-color: var(--color-primary);
  }

  @media only screen and (max-width: 62.5em) {
    &:after {
      width: .5rem;
      right: -2.35%;
      bottom: 49%;
    }
  }

  @media only screen and (max-width: 50em) {
    &:after {
      right: -2.5%;
    }
  }

  @media only screen and (max-width: 37.5em) {
    &:after {
      right: -2.6%;
    }
  }

  @media print {
    &:after {
      width: 1mm;
      right: -1.3mm;
      bottom: 49%;
    }
  }

  .image__semicircle {
    position: absolute;
    left: -.2rem;
    bottom: -.2rem;

    width: inherit;
    height: inherit;

    border: 1rem solid var(--color-primary);
    border-radius: 100rem;

    clip-path: circle(50% at 100% 0);

    @media only screen and (max-width: 62.5em) {
      border: .5rem solid var(--color-primary);
      left: -.5rem;
      bottom: -.5rem;
    }

    @media print {
      border: 1.3mm solid var(--color-primary);
      left: -1.3mm;
      bottom: -1.3mm;
    }
  }

  .image__rounder {
    position: absolute;
    top: -.7rem;
    right: 47%;
    border-radius: 10rem;

    width: 1rem;
    height: .9rem;

    background-color: var(--color-primary);

    @media only screen and (max-width: 62.5em) {
      width: .5rem;
      height: .5rem;
      top: -2.5%;
      right: 49%;
    }

    @media only screen and (max-width: 37.5em) {
      top: -.5rem;
    }

    @media print {
      width: 1.3mm;
      height: 1.3mm;
      top: -1.37mm;
      right: 49%;
    }
  }

  .image__frame {
    display: flex;
    justify-content: center;
    align-items: end;

    width: 80%;
    height: 80%;

    background-color: var(--color-primary);
    border-radius: 100rem;

    overflow: hidden;
  }

  .image__photo {
    width: 70%;
  }
}

.education {
  margin-top: 10rem;

  @media only screen and (max-width: 37.5em) {
    margin-top: 0;
  }

  .education__university__year {
    color: var(--color-grey-lightest)
  }

  .education__university__degree-major {
    font-weight: 300;
  }
}