/* css reset */
html {
  box-sizing: border-box;
  font-size: 16px;
}

*,
*:before,
*:after {
  box-sizing: inherit;
  transition: 1s;
  -webkit-transition: 1s;
  -moz-transition: 1s;
  -ms-transition: 1s;
  -o-transition: 1s;
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ol,
ul {
  margin: 0;
  padding: 0;
  font-weight: normal;
}

ol,
ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* Custom Var */
:root {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  --main-color: #2a2d34;
  --text-color: #fffcf9;
  --hover-color: hsl(210, 48%, 80%);
  --active-color: hsl(210, 48%, 50%);
}

/* Button */
.button-styling {
  min-width: 130px;
  height: 40px;
  color: var(--text-color);
  padding: 5px 10px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  outline: none;
  border-radius: 20px;
  border: 2px solid #3e78b2;
  background: #3e78b2;
}

.button-styling > a {
  width: fit-content;
  height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 20px;
  color: var(--text-color);
  text-decoration: none;
}

.button-styling:hover {
  background-color: rgba(0, 0, 0, 0);
  border-color: var(--text-color);
}

.fullscreen-button {
  width: 50px;
  height: 50px;
  color: #fff;
  padding: 5px 10px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  display: inline-block;
  outline: none;
  border-radius: 5px;
  border: 2px solid #fc3a44;
  background: #fc3a44;
}
.fullscreen-button:hover {
  background: #fff;
  color: #fc3a44;
}

/* Body */
body {
  background-color: #4a525a;
  color: var(--text-color);
}

#fullscreen-request {
  display: flex;
  flex-direction: column;
  position: absolute;
  justify-content: center;
  align-items: center;
  gap: 10px;
  z-index: 100;
  background-color: rgba(0, 0, 0, 0.8);
  width: 100vw;
  height: 100vh;
  opacity: 1;
}

#fullscreen-request > h2 {
  color: #fc3a44;
  font-weight: bold;
}

#fullscreen-request > a {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

/* Header */
header {
  width: 100%;
  position: fixed;
  top: -75px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 30px;
  background-color: var(--main-color);
  z-index: 99;
  transition: 1s;
  -webkit-transition: 1s;
  -moz-transition: 1s;
  -ms-transition: 1s;
  -o-transition: 1s;
}

header > h1 {
  font-weight: bold;
}

header > h1:hover {
  cursor: default;
}

ul {
  display: flex;
  gap: 15px;
}

header > .fa-bars {
  display: none;
}

header > nav > ul > li > a {
  text-decoration: none;
  color: var(--text-color);
  transition: 0.3s;
  -webkit-transition: 0.3s;
  -moz-transition: 0.3s;
  -ms-transition: 0.3s;
  -o-transition: 0.3s;
}

header > nav > ul > li > a:hover {
  color: var(--hover-color);
}

header > nav > ul > li > a:active {
  color: var(--active-color);
}

.responsive-nav {
  display: none;
}

.barrier {
  display: none;
}
/* Menu */
.welcome-page {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 7px;
  z-index: 1;
  transition: 1s;
  -webkit-transition: 1s;
  -moz-transition: 1s;
  -ms-transition: 1s;
  -o-transition: 1s;
}

.welcome-page > h2 {
  font-size: 4rem;
  font-weight: bold;
}

.welcome-page > p {
  font-size: 2rem;
}

.background-menu {
  width: 70px;
  height: 70px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #3e78b2;
  border-radius: 10px;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  -ms-border-radius: 10px;
  -o-border-radius: 10px;
  transition: 0.3s;
  -webkit-transition: 0.3s;
  -moz-transition: 0.3s;
  -ms-transition: 0.3s;
  -o-transition: 0.3s;
}

.background-menu:hover {
  background-color: #254668;
}

.background-menu:active {
  background-color: var(--active-color);
  transform: scale(0.9);
  -webkit-transform: scale(0.9);
  -moz-transform: scale(0.9);
  -ms-transform: scale(0.9);
  -o-transform: scale(0.9);
}

.background-menu > i {
  color: var(--text-color);
}
.welcome-page > ul > li > a {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  text-decoration: none;
  color: var(--text-color);
}

.welcome-page > ul > li > a:hover {
  color: var(--hover-color);
}

.welcome-page > ul > li > a:active {
  color: var(--active-color);
}

/* Profile */
.profile {
  position: fixed;
  top: 0;
  z-index: -1;
  opacity: 0;
  width: 100%;
  height: 100vh;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  transition: 1s;
  -webkit-transition: 1s;
  -moz-transition: 1s;
  -ms-transition: 1s;
  -o-transition: 1s;
}

.profile > * {
  opacity: 0;
}

.profile > h2 {
  font-size: 4rem;
  font-weight: bold;
}

.profile > h3 {
  font-size: 2rem;
  font-weight: bold;
}

.profile > p {
  font-size: 1.2rem;
}

.profile > .button-container {
  display: flex;
  gap: 15px;
}

.profile > .button-super-container {
  display: flex;
  flex-direction: column;
  margin-top: 10px;
}

.input-section {
  opacity: 0;
  position: fixed;
  top: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.75);
  display: none;
  gap: 10px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: -1;
  transition: 0.5s;
  -webkit-transition: 0.5s;
  -moz-transition: 0.5s;
  -ms-transition: 0.5s;
  -o-transition: 0.5s;
}

.button-submit-name {
  -webkit-box-shadow: 0 2px 10px 1px rgba(0, 0, 0, 0.5);
  box-shadow: 0 2px 10px 1px rgba(0, 0, 0, 0.5);
}

.button-cancel {
  -webkit-box-shadow: 0 2px 10px 1px rgba(0, 0, 0, 0.5);
  box-shadow: 0 2px 10px 1px rgba(0, 0, 0, 0.5);
  background-color: #fc3a44;
  border-color: #fc3a44;
}

input {
  background: rgba(255, 255, 255, 1);
  border: none;
  position: relative;
  display: block;
  outline: none;
  width: 300px;
  margin: 0 auto;
  padding: 10px;
  color: #333;
  border-radius: 10px;
  -webkit-box-shadow: 0 2px 10px 1px rgba(0, 0, 0, 0.5);
  box-shadow: 0 2px 10px 1px rgba(0, 0, 0, 0.5);
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  -ms-border-radius: 10px;
  -o-border-radius: 10px;
}
::-webkit-input-placeholder {
  color: #666;
}
:-moz-placeholder {
  color: #666;
}
::-moz-placeholder {
  color: #666;
}
:-ms-input-placeholder {
  color: #666;
}

/* Schedule */
.schedule {
  width: 100%;
  height: 100vh;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: fixed;
  top: 0;
  z-index: -1;
  opacity: 0;
  transition: 1s;
  -webkit-transition: 1s;
  -moz-transition: 1s;
  -ms-transition: 1s;
  -o-transition: 1s;
}

.schedule > * {
  opacity: 0;
}

.schedule > h2 {
  padding-top: 10px;
  font-size: 4rem;
  font-weight: bold;
}

.schedule > h3 {
  font-size: 2rem;
}

.my-schedule {
  width: 55%;
}

.jadwal-kuliah {
  object-fit: cover;
  object-view-box: inset(18% 5% 18% 10%);
}

.schedule > .button-container {
  display: flex;
  gap: 15px;
}

.schedule > .button-super-container {
  display: flex;
  flex-direction: column;
  margin-top: 10px;
}

.schedule > .button-super-container > button {
  margin-top: 10px;
}

/* Gallery */
.tasks {
  position: fixed;
  top: 0;
  z-index: -1;
  opacity: 0;
  width: 100%;
  height: 100vh;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  transition: 1s;
  -webkit-transition: 1s;
  -moz-transition: 1s;
  -ms-transition: 1s;
  -o-transition: 1s;
}

.tasks > * {
  opacity: 0;
}

.container-gallery {
  display: grid;
  grid-template-columns: repeat(8, 400px);
  grid-template-rows: repeat(1, 1fr);
  gap: 10px;
  place-items: center;
  width: 80%;
  height: 240px;
  overflow-x: scroll;
}

::-webkit-scrollbar {
  height: 9px;
}

::-webkit-scrollbar-track {
  background-color: hsl(222, 11%, 50%);
}

::-webkit-scrollbar-thumb {
  background-color: var(--text-color);
}

::-webkit-scrollbar-thumb:hover {
  background-color: hsl(210, 48%, 80%);
}

.tasks > h2 {
  font-size: 4rem;
  font-weight: bold;
}

.tasks > h3 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.article-card {
  width: 350px;
  height: 220px;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  font-family: Arial, Helvetica, sans-serif;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  transition: all 300ms;
}

.article-card:hover {
  cursor: pointer;
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
}

.article-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-card .content {
  box-sizing: border-box;
  width: 100%;
  position: absolute;
  padding: 30px 20px 20px 20px;
  height: auto;
  bottom: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
}

.article-card .date,
.article-card .title {
  margin: 0;
}

.article-card .date {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 4px;
}

.article-card .title {
  font-size: 17px;
  color: #fff;
}

.button-container {
  display: flex;
  gap: 15px;
  margin-top: 10px;
}

/* Task View */
.task-view {
  background-color: #4a525a;
  display: none;
  position: absolute;
  top: -6000px;
}

/* Tasks */
.tasks-container {
  width: 100%;
}
/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: -250px;
  width: 250px;
  height: 100vh;
  background-color: var(--main-color);
  z-index: 1;
}

.tasks-list {
  width: 100%;
  height: 100%;
}

.tasks-list > ul {
  padding: 100px 30px;
  text-align: left;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.tasks-list > ul > li > a {
  text-decoration: none;
  color: var(--text-color);
  transition: 0.3s;
  -webkit-transition: 0.3s;
  -moz-transition: 0.3s;
  -ms-transition: 0.3s;
  -o-transition: 0.3s;
}

.tasks-list ul > li > a:hover {
  color: var(--hover-color);
}

.tasks-list ul > li > a:active {
  color: var(--active-color);
}

main.content {
  position: relative;
  top: 74px;
  left: 250px;
  right: 0;
  padding: 40px 0;
  width: calc(100% - 250px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 20px;
}

.content .article {
  background-color: var(--text-color);
  width: 90%;
  border-radius: 10px;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  -ms-border-radius: 10px;
  -o-border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.article > * {
  color: var(--main-color);
}

.article > h2 {
  text-align: center;
  font-weight: bold;
}

.article > p {
  text-align: justify;
}

#img-container {
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  grid-template-columns: repeat(2, 1fr);
  gap: 5px;
  width: 100%;
  height: 400px;
}
.dap-grid,
.matdis-grid {
  width: 1fr;
  height: 100%;
  border: 1px solid #3e78b2;
  border-radius: 10px;
  overflow: hidden;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  -ms-border-radius: 10px;
  -o-border-radius: 10px;
}
.grid-div1 > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
}
.grid-div2 > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
}
.grid-div3 > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
}
.grid-div4 > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 00%;
}
.grid-div5 > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 30%;
}
.grid-div6 > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 0%;
}
.grid-div7 > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 15% 30%;
}
.grid-div8 > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 0% 30%;
}
.grid-div9 > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 30%;
}
.grid-div10 > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 40%;
}
.grid-div11 > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
}
.grid-div1 {
  grid-area: 1 / 1 / 2 / 3;
}
.grid-div2 {
  grid-area: 2/1/3/2;
}
.grid-div3 {
  grid-area: 2/2/3/3;
}
.grid-div4 {
  grid-area: 3 / 1 / 4 / 3;
}
.grid-div5 {
  grid-area: 1 / 1 / 2 / 3;
}
.grid-div6 {
  grid-area: 2 / 1 / 4 / 3;
}
.grid-div7 {
  grid-area: 1 / 1 / 4 / 2;
}
.grid-div8 {
  grid-area: 1 / 2 / 4 / 3;
}
.grid-div9 {
  grid-area: 1 / 1 / 3 / 3;
}
.grid-div10 {
  grid-area: 3 / 1 / 4 / 3;
}
.grid-div11 {
  grid-area: 1 / 1 / 4 / 3;
}

/* Responsive */
/* Handphone */
@media (max-width: 480px) {
  /* Header */
  header > .fa-bars {
    display: block;
  }

  header > nav {
    display: none;
  }

  .responsive-nav {
    display: block;
    background-color: var(--main-color);
    position: fixed;
    left: 0;
    top: -230px;
    width: 100%;
    height: 230px;
    text-align: center;
    z-index: 98;
  }

  .responsive-nav > ul {
    height: 100%;
    gap: 0;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
  }

  .responsive-nav > ul > li {
    width: 100%;
    height: 100%;
    transition: 0.5s;
    -webkit-transition: 0.5s;
    -moz-transition: 0.5s;
    -ms-transition: 0.5s;
    -o-transition: 0.5s;
  }

  .responsive-nav > ul > li:hover {
    background-color: #4a525a;
  }

  .responsive-nav > ul > li > a {
    text-decoration: none;
    border-top: #4a525a solid 2px;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-color);
    transition: 0.3s;
    -webkit-transition: 0.3s;
    -moz-transition: 0.3s;
    -ms-transition: 0.3s;
    -o-transition: 0.3s;
  }

  .nav-down {
    top: 74px;
  }

  .barrier {
    display: flex;
    position: absolute;
    justify-content: center;
    align-items: center;
    z-index: -99;
    background-color: rgba(0, 0, 0, 0.8);
    width: 100vw;
    height: 100vh;
    opacity: 0;
  }

  /* Schedule */
  .my-schedule {
    width: 100%;
  }

  .jadwal-kuliah {
    object-fit: cover;
    object-view-box: inset(18% 3% 18% 11%);
  }

  /* Tasks */
  .container-gallery {
    display: grid;
    grid-template-columns: repeat(8, 400px);
    grid-template-rows: repeat(1, 1fr);
    gap: 10px;
    place-items: center;
    width: 90%;
    height: 240px;
    overflow-x: scroll;
  }

  /* Tasks View */
  .task-view {
    top: -11000px;
  }

  .sidebar {
    display: hidden;
  }

  main.content {
    left: 0;
    width: 100%;
  }

  .responsive-grid1 > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 15% 30%;
  }
  .responsive-grid2 > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 30%;
  }
  .responsive-grid1 {
    grid-area: 1 / 1 / 2 / 3;
  }
  .responsive-grid2 {
    grid-area: 2 / 1 / 4 / 3;
  }
}
/* Font */
body {
  font-family: "Open Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: 300;
  font-style: normal;
  font-variation-settings: "wdth" 100;
}

.display-none-toggle {
  display: none;
}

.display-block-toggle {
  display: block;
}

.zIndex-toggle {
  z-index: 50;
}

.opacity-toggle {
  opacity: 1;
}