gilles-acezat/user/themes/gilles_acezat/scss/theme/_header.scss

// home
body{
  height: 100%;
   .blog{
    header{
      z-index: 999;
      position: fixed;
      top: 0;
      left: 2%;
      right: 2%;
      height: 100vh;
      display: -webkit-inline-box;
      display: -ms-inline-flexbox;
      display: inline-flex;
      -webkit-box-orient: vertical;
      -webkit-box-direction: normal;
          -ms-flex-direction: column;
              flex-direction: column;
      & > section{
        height: 50vh;
        min-height: 250px;
        top: 0;
        left: 2%;
        right: 2%;
        &.works-mea{
          display: -webkit-inline-box;
          display: -ms-inline-flexbox;
          display: inline-flex;
          -ms-flex-wrap: wrap;
              flex-wrap: wrap;
          -webkit-box-align: end;
              -ms-flex-align: end;
                  align-items: flex-end;
          height: 100%;
          margin-bottom: 20px;
        }
        &.reduc{
          -webkit-animation: reducfont 1s ease forwards;
                  animation: reducfont 1s ease forwards;
        }
      }
      h1{
        position: fixed;
        top: 80px;
        font-size: 11.2vw;
        line-height: 7vw!important;
        transition: top 1s ease;
        transition: font-size 1.2s ease, color 1.2s ease , top 1.2s ease;
      }
      h2{
        position: fixed;
        top:220px;
        font-size: 3.7vw;
        opacity: 1;
        transform: translateX(0);
        transition: opacity 1s ease 1s, transform 1s ease 1s;
      }
      nav{
        // margin-top: 25vh; /* poussé de la moitié de hauteur de viewport */
        // -webkit-transform: translateY(-50%);
        //         transform: translateY(-50%); /* tiré de la moitié de sa propre hauteur */
      }
      .scroll{
        width: 50px;
        height: 15px;
        margin: 0 auto 10px auto;
        overflow: hidden;
        position: fixed;
        bottom: 0;
        left: 50%;
        -webkit-transform: translate(-50%);
                transform: translate(-50%);
        & > p:nth-child(1){
          text-align: center;
          position: absolute;
          top: -20px;
          -webkit-animation: translatep1 2s infinite linear;
                  animation: translatep1 2s infinite linear;
        }
        & > p:nth-child(2){
          text-align: center;
          position: absolute;
          top: -20px;
          -webkit-animation: translatep1 2s infinite linear;
                  animation: translatep1 2s infinite linear;
          -webkit-animation-delay: 1s;
                  animation-delay: 1s;
        }
      }
      &.hide{
        & > section:first-child{
          height: 100px;
          min-height: 100px;
          background: white;
          z-index: 999;
        }
        nav{
          margin-top: 0;
          -webkit-transform: translate(0);
                  transform: translate(0);
          -webkit-transition: margin-top 1s ease, -webkit-transform 1s ease;
          transition: margin-top 1s ease, -webkit-transform 1s ease;
          transition: margin-top 1s ease, transform 1s ease;
          transition: margin-top 1s ease, transform 1s ease, -webkit-transform 1s ease;
        }
        h1{
          position: relative;
          font-size: 3rem;
          top: 0px;
          color: black;
          transition: font-size 1.2s ease 0.5s, color 1.2s ease 1s, top 1.2s ease 0.5s;
          animation: textestroke 0.5s ease 1.2s forwards;
        }
        h2{
          opacity: 0;
          transform: translateX(-10px);
          top:220px;
          -webkit-transition: opacity 0.5s ease, transform 0.5s ease;
          transition: opacity 0.5s ease, transform 0.5s ease;
        }
        .card{
          -webkit-animation: card 1s forwards ease;
                  animation: card 1s forwards ease;
        }
        .scroll{
          opacity: 0;
          -webkit-transition: opacity 0.8s ease;
          transition: opacity 0.8s ease;
        }
      }
    }
  }
}
// html{
// 			overflow: hidden;
// 		}
// 		html, body {
// 			padding: 0;
// 			margin: 0;
//
// 		}
// 		body {
// 			position: absolute;
// 			left: 0;
// 			top: 0;
// 			right: -30px;
// 			bottom: 0;
// 			padding-right: 15px;
// 			overflow-y: scroll;
// 		}

// page
body{
  & > .item{
    header{
      height: 130px;
      position: relative;
      nav{
        position: absolute;
        margin-top: 65px; /* poussé de la moitié de hauteur de viewport */
        -webkit-transform: translateY(-50%);
                transform: translateY(-50%); /* tiré de la moitié de sa propre hauteur */
      }
      h1{
        color: black;
      }
      h2{
        display: none;
      }
      .scroll{
        display: none;
      }
    }
  }
}