/* VARIABLES */  

  :root{
    --noir:rgb(0,0,0);
    --noir-transparent:rgba(0,0,0,0.95);
    --blanc:rgb(255,255,255);
    --blanc-transparent:rgba(255,255,255,0.95);
    --gris:rgb(68,68,68);
  }

  /* PAGE */

  html,body{
    margin:0;
    padding:0;
  }

  html{
    background-color:var(--blanc);
    color:var(--noir);
    font-size:1.2em;
    font-family: Arial;
    line-height:1.5;
  }

  /* HEADER */ 

  header{
    border-bottom : 1px solid var(--noir);
    display: flex;
    flex-direction: row;
    justify-content:flex-start;
    background: var(--blanc);
    color: var(--noir);
    position: sticky;
    top: 0;
    width:100%;
  }

  header a{
    text-decoration: none;
  }

  #logo{
    grid-row: 1 / 2;
    grid-column: 1 / 1;
    align-self: center;
  }

  #logo img{
    height:50px;
    padding: 10px 0 0 10px;
  }

  #title{
    display:none;
  }

  /* MENU */

  nav > ul {
    display: flex;
    flex-direction: row;
    list-style-type: none;
    padding-left:30px;
    margin-top: 23px;
  }

  nav > ul > li {
    display : inline-block;
    overflow: hidden;
    margin-right:30px;
  }

  nav > ul > li ul{
    display:none;
    padding:5px 20px;
    font-weight:normal;
  }

  nav > ul > li:hover > ul{
      position:absolute;
      display:block;
      margin : 0;
      background : var(--blanc);
      border-left : 2px solid var(--noir);
  }

  nav > ul > li ul li{
    padding:5px 0;
  }
  
  .menu-button-container {
    display: none;
    height: 100%;
    width: 30px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  #menu-toggle {
    display: none;
  }

  .menu-button,
  .menu-button::before,
  .menu-button::after {
    display: block;
    background-color: var(--noir);
    position: absolute;
    height: 4px;
    width: 30px;
    transition: transform 400ms cubic-bezier(0.23, 1, 0.32, 1);
    border-radius: 2px;
  }

  .menu-button::before {
    content: '';
    margin-top: -8px;
  }

  .menu-button::after {
    content: '';
    margin-top: 8px;
  }

  #menu-toggle:checked + .menu-button-container .menu-button::before {
    margin-top: 0px;
    transform: rotate(405deg);
  }

  #menu-toggle:checked + .menu-button-container .menu-button {
    background: var(--blanc);
  }

  #menu-toggle:checked + .menu-button-container .menu-button::after {
    margin-top: 0px;
    transform: rotate(-405deg);
  }

  /** MEDIA QUERIE MENU **/

  /* burger menu */
  @media (max-width: 759px) {
    .menu-button-container {
      display: flex;
      position: absolute;
      right: 30px;
    }
    nav > ul {
      display: block;
      position: absolute;
      top: 0;
      margin-top: 69px;
      padding-left:0px;
      left: 0;
      width: 100%;
    }
    #menu-toggle ~ ul li {
      height: 0;
      margin-bottom: -10px;
      padding: 0;
      border:0;
      transition: height 400ms cubic-bezier(0.23, 1, 0.32, 1);
    }
    #menu-toggle:checked ~ ul li {
      height: auto;
      padding: 0.5em;
      transition: height 400ms cubic-bezier(0.23, 1, 0.32, 1);
      padding:10px;
    }
    #menu-toggle:checked  ~ ul {
      border-bottom: 3px solid var(--noir);
    }
    nav ul > li {
      margin: 0;
      padding: 0.5em 0;
      width: 100%;
      background-color: var(--blanc);
    }

    nav a{
      color: var(--noir);
    }

    nav > ul > li:not(:last-child) {
      border-bottom: 1px solid var(--noir);
      background : var(--blanc);
    }

    nav > ul > li ul{
      display:block;
      position:relative;
      font-size:80%;
      background: var(--blanc)
    }

    nav > ul > li:hover > ul{
      position:relative;
      display:block;
      margin : 0;
      border-left : 0px;
      background: var(--blanc)
    }
  }

  /* MAIN */

  main{
    top:72px;
    margin:auto;
    min-height: 100vh;
    width:820px;
    background-image: url('../resources/logomawashi-large.png');
    background-repeat: no-repeat;
    background-position: center 150px;
    background-attachment: fixed;
    background-size:750px;
  }

  @media (max-width: 850px) {
    main{
      background-size:90%;
      padding:0 15px;
      width:auto;
    }
  }


  /* SECTION */

  section{
    text-align: justify;
    background-color : var(--blanc-transparent);
    min-height:100vh;
    width:800px;
    padding:0 15px;
  }

  @media (max-width: 850px) {
    section{
      width:auto;
      max-width:800px;
      font-size:1em;
    }

  }

  @media (max-width: 599px) {
    section{
      text-align:left;
    }
  }

  /* FOOTER */

  footer{
    text-align: center;
    border-top : 1px solid var(--noir);
    padding:10px 10px 0 10px;
    bottom:0;
    background: var(--blanc);
  }

  /* ELEMENTS */

  h1{
    font-size: 2.5rem;
    text-align:center;
  }

  h2{
    font-size: 1.8rem;
    text-align:left;
  }

  h3{
    font-size:1.3rem;
    text-align:left;
  }

  ul{
    padding:0;
  }

  li{
    list-style: none;
  }

  li p{
    padding:0;
    margin:0;
  }

  p{
    padding: 0;
  }

  a{
    color: var(--noir);
    font-weight: bold;
  }
  
  .button{
    background-color: var(--noir);
    color :var(--blanc);
    border-radius: 9999px;
    font-weight: weight;
    padding:1rem 2rem;  
    text-decoration:none;
    margin:auto;
    display:block;
    max-width : 150px;
    text-align: center;
  }
  
  figure{
    text-align:center;
    display: flex;
    flex-wrap: wrap;
    gap:0.5%;
    align-items: center;
    justify-content: center;
    padding:15px 0;
    margin:0;
  }

  figure > div{
    flex: 49%;
  }

  figure > div > img{
    width:100%;
  }

  figcaption{
    font-size:0.8em;
    flex:100%;
  }

  iframe{
    width:100%;
    height:350px;
  }

   /* CLASSES */
  .flex {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    justify-content: flex-start;
  }

  
  /***************************/

  /* dark theme */
  @media (prefers-color-scheme: dark) {
    html{
      background-color:var(--noir);
      color:var(--blanc);
    }

    header{
      border-bottom : 1px solid var(--blanc);
      background: var(--noir);
      color: var(--blanc);
    }

    .menu-button,
    .menu-button::before,
    .menu-button::after {
      background-color: var(--blanc);
    }

    #menu-toggle:checked + .menu-button-container .menu-button {
      background: var(--noir);
    }

    @media (max-width: 759px) {
      #menu-toggle:checked  ~ ul {
        border-bottom: 3px solid var(--blanc);
      }

      nav ul > li {
        background-color: var(--noir);
      }

      nav a{
        color: var(--blanc);
      }

      nav > ul > li:not(:last-child) {
        border-bottom: 1px solid var(--blanc);
        background : var(--noir);
      }

      nav > ul > li ul{
        background: var(--noir)
      }

      nav > ul > li:hover > ul{
        background: var(--noir)
      }
    }

    nav > ul > li:hover > ul{
      background : var(--noir);
      border-left : 2px solid var(--blanc);
    }

    section{
      background-color : var(--noir-transparent);
    }

    footer{
      border-top : 1px solid var(--blanc);
      background: var(--noir);
    }

    a{
      color:var(--blanc);
    }

    .button{
      background-color: var(--blanc);
      color :var(--noir);
    }

  }