* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

@font-face {
  font-family: Alata;
  src: url(assets/fonts/Alata-Regular.ttf);
}

@font-face {
  font-family: Roboto;
  src: url(assets/fonts/Roboto-Regular.ttf);
}

:root {
  --clr-blue: rgb(28, 28, 215);
  --clr-dark-background: rgb(20, 29, 47);
  --clr-black: black;
  --clr-black-09: rgba(0, 0, 0, 0.9);
  --clr-black-05: rgba(0, 0, 0, 0.5);
  --clr-black-02: rgba(0, 0, 0, 0.2);
  --clr-black-01: rgba(0, 0, 0, 0.1);
  --clr-gold: gold;
  --clr-light-green: rgb(112, 230, 28);
  --clr-purple: rgb(151, 71, 255);
  --clr-white: white;
  --clr-tabel-background: rgb(244, 244, 244);
  --clr-tabel-background-dark: rgb(99, 99, 99);
  --clr-tabel-border: rgb(204, 204, 204);
  --clr-yellow: yellow;
}

body {
  font-family: Roboto, Arial, Helvetica, sans-serif;
  font-size: 16px;
  background-color: var(--clr-white);
  color: var(--clr-black);
  transition: background-color 0.5s ease-in-out, color 1s ease-in-out;
}

h1,
h2,
h3 {
  font-family: Alata, sans-serif;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--clr-white);
}

.header-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 2rem 6rem;
  border-bottom: 1px solid var(--clr-black-02);
  box-shadow: 0 4px 8px var(--clr-black-01), 0 6px 20px var(--clr-black-01);
}

.logo {
  margin-left: 1.5rem;
  margin-top: 1.25rem;
}

.main-header {
  position: relative;
  display: flex;
  align-items: center;
}

.light-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 97%;

  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
}

.dark {
  background-color: var(--clr-dark-background);
  color: var(--clr-white);
}

.sidebar-dark {
  background-color: var(--clr-dark-background) !important;
}

.dark header {
  background-color: var(--clr-dark-background);
  color: var(--clr-white);
  border-bottom: 1px solid var(--clr-white);
  box-shadow: 0 4px 8px var(--clr-black-02), 0 6px 20px var(--clr-black-02);
}

.dark header h1,
.dark header p {
  color: var(--clr-white);
}

.btn-light {
  background-color: var(--clr-white);
  color: var(--clr-black);
  border: 0.2rem solid var(--clr-black-05);
  padding: 0.5rem 1.5rem;
  border-radius: 0.25rem;
  transition: background-color 1s ease-in-out, border-color 1s ease-in-out,
    box-shadow 1s ease-in-out;
}

.btn-dark {
  background-color: var(--clr-black);
  color: var(--clr-white);
  border: 0.2rem solid var(--clr-white);
  padding: 0.5rem 1.5rem;
  border-radius: 0.25rem;
  box-shadow: 0 0 10px 5px var(--clr-yellow);
  transition: background-color 1s ease-in-out, border-color 1s ease-in-out,
    box-shadow 1s ease-in-out;
}

h1 {
  font-size: 3rem;
  background-image: linear-gradient(
    90deg,
    var(--clr-purple),
    var(--clr-black-01),
    var(--clr-light-green)
  );
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.profession {
  padding-top: 1.1rem;
  padding-left: 1rem;
  font-size: 1.5rem;
  font-weight: bold;
}

main {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
}

.sidebar {
  grid-column: span 2;
  position: sticky;
  top: 16.5vh;
  align-self: flex-start;
}

nav {
  padding-left: 1rem;
}

li {
  list-style: none;
}

a {
  text-decoration: none;
  color: var(--clr-blue);
  font-weight: 700;
}

li + li {
  padding-top: 0.5rem;
}

.main-content {
  display: grid;
  grid-template-columns: repeat(6 1fr);
  grid-column-start: 3;

  margin: 5.5rem 3rem;
  padding-top: 5.5rem;
}

h2 {
  color: var(--clr-blue);
  font-weight: 900;
}

.card {
  position: relative;
  aspect-ratio: 7 / 10;
  height: 400px;
  perspective: 1000px;
  margin-bottom: 48px;
  padding: 1rem;
}

.card-inner {
  position: absolute;
  width: 100%;
  height: 100%;
  transition: transform 0.8s ease-in-out;
  transform-style: preserve-3d;
}

.card:hover .card-inner {
  transform: rotateY(180deg);
}

.card-front,
.card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 5px;
  margin: 0;
  overflow: hidden;
  transition: z-index 0s ease;
}

.card-front {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: transparent;
  color: var(--clr-gold);
}

.card-front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 5px;
}

.card-back {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--clr-gold);
  color: var(--clr-black-09);
  transform: rotateY(180deg);
  z-index: 1;
  box-sizing: border-box;
  transition: z-index 0.8s ease;
}

.card:hover .card-back {
  z-index: 2;
}

.card:hover .card-front {
  z-index: 1;
}

.cta {
  font-size: 4rem;
  color: var(--clr-blue);
  text-decoration: none;
  text-align: center;
}

.section-data {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: 50px auto;
}

.section-data + .section-data {
  border-top: 1px solid rgba(0, 0, 0, 0.2);
  padding-block: 1rem;
}

.section-header {
  height: 3rem;
  overflow: hidden;
}

.section-data-items {
  grid-column: 3 / span 3;
  padding-bottom: 1rem;
}

.lh-2 {
  line-height: 2;
}

.lh-2 a {
  color: var(--clr-black);
  text-decoration: none;
}

.dark .education-at,
.dark .education-time {
  color: var(--clr-white) !important;
}

.dark .section-data-items .lh-2 a {
  color: var(--clr-white) !important;
}

.dark .lh-2 {
  color: var(--clr-white) !important;
}

.dark .sub-items li a {
  color: var(--clr-white) !important;
}

.span-6 {
  grid-column: span 6;
}

.pt-1 {
  padding-top: 1rem;
}

.mb-1 {
  margin-bottom: 1rem;
}

.mb-2 {
  margin-bottom: 2rem;
}

.bt {
  border-top: 1px solid var(--clr-black-02);
}

.education-description {
  grid-column: 3 / span 3;
}

.education-at {
  padding-block: 0.5rem;
  font-size: 1.125rem;
  color: var(--clr-black-09);
}

.education-time {
  color: var(--clr-black-05);
}

.despriction-item {
  list-style: none;
}

.despriction-item + .despriction-item {
  padding-top: 0.25rem;
}

.sub-items {
  list-style: none;
}

.sub-items li {
  padding-left: 4rem;
}

.sub-items li a {
  text-decoration: none;
  color: var(--clr-black-09);
}

#skills {
  margin: 20px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}

table,
th,
td {
  border: 1px solid var(--clr-tabel-border);
}

th,
td {
  padding: 10px;
  text-align: left;
}

tr:nth-of-type(even) {
  background-color: var(--clr-tabel-background);
}

thead {
  background-color: var(--clr-tabel-background);
}

.dark thead {
  background-color: var(--clr-tabel-background-dark);
  color: var(--clr-white);
}

.dark tr:nth-of-type(even) {
  background-color: var(--clr-tabel-background-dark);
}

@media (max-width: 1100px) {
  main {
    grid-template-columns: repeat(6, 1fr);
  }

  .span-6 {
    grid-column: span 4;
  }

  .section-data {
    grid-template-columns: repeat(4, 1fr);
  }

  .education-description {
    grid-column: 2 / span 3;
  }

  .sub-items li {
    padding-left: 0;
  }

  .section-data-items {
    grid-column: 2 / span 2;
  }
}

@media (max-width: 1075px) {
  main {
    display: block;
  }

  .sidebar {
    display: flex;
    position: sticky;
    top: 10vh;
    align-items: center;
    justify-content: center;
    background-color: var(--clr-white);
  }

  .logo {
    margin-left: 0;
    margin-top: 0;
  }

  .card-front img {
    width: 90%;
    height: 90%;
    object-fit: cover;
    border-radius: 5px;
  }

  .card-back {
    width: 90%;
    height: 90%;
    top: 1.1rem;
  }

  .card-back,
  .card-front {
    margin-top: 8rem;
  }

  .cta {
    font-size: 3rem;
  }

  nav {
    margin-left: 2rem;
  }

  .btn-light {
    padding: 0.25rem 0.75rem;
  }

  .btn-dark {
    padding: 0.25rem 0.75rem;
  }

  .light-toggle {
    left: auto;
    right: 1rem;
    width: auto;
  }

  .main-content {
    margin-top: 8rem;
  }

  .main-header {
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  h1 {
    text-align: center;
  }

  h2 {
    font-size: 1.15rem;
    color: var(--clr-black-05);
  }

  h3 {
    font-size: 1rem;
  }

  .btn-dark {
    box-shadow: 0 0 10px 3px var(--clr-yellow);
  }

  .sidebar {
    flex-direction: column;
    top: 17vh;
    padding-bottom: 1.5rem;
  }

  .profession {
    padding: 0;
    text-align: center;
  }

  nav {
    margin-top: 4.5rem;
  }

  .card {
    padding: 2rem 0 1rem 0;
  }

  .card-front img {
    width: 80%;
    height: 80%;
  }

  .card-back {
    width: 80%;
    height: 80%;
  }

  .card-back,
  .card-front {
    margin-top: 5rem;
  }

  .cta {
    font-size: 2.5rem;
  }

  .logo {
    display: none;
  }

  .section-data-items {
    grid-column: 1 / span 3;
  }

  .main-content {
    padding-top: 2rem;
    margin: 9rem 3rem;
  }

  .light-toggle {
    left: 0.5rem;
    bottom: 0.5rem;
  }

  .lh-2 {
    font-size: 0.85rem;
  }
}