html{
    scroll-behavior: smooth;
}

body{
    margin: 0;
    font-family: "Raleway";
}

header{
    background-color: #272727;
    height: 100vh;
    display: flex;
    justify-content: center;
    z-index: -1;
}
canvas{
    position: absolute;
    z-index: 0;
}

h1,h2{
    color: white;
    margin: 0 auto;
    max-width: 650px;
    font-size: 32pt;
    line-height: 36pt;
}
.light{
    color:darkmagenta;
}
.header_wrap{
    display: flex;
    flex-direction: column;
    justify-content: center;
    justify-items: center;
    width: 650px;
    z-index: 1;
}
.header_wrap, nav.nav_wrap, #about{
    max-width: 1200px;
    margin: 0 auto;
}
button{
    margin: 0 auto;
    margin-top:20px;
    background-color:#272727;
    border: 2px white solid;
    color:white;
    width: 300px;
    height: 70px;
    font-size: 20px;
    transition: all 0.3s ease ;
}
button:hover {
    background-color: #04c2c9;
    border-color: #04c2c9;
  }


.header_button{
    margin: 0 auto;
}
.pointer{
    display: inline;
    top: 5px;
    position: relative;
    margin-left: 10px;
    width: 20px;
    height: 22px;
    transition: all 0.3s ease ;
}

button:hover .pointer{
    transform: rotate(90deg);  
}

.nav_wrap_background{
    background-color:#212121;
    border-bottom:2px  #04c2c9 solid;
    height: 50px;
    padding-top: 25px;
    position: sticky;
    top: 0;
    z-index: 10;
}

nav>a{
    text-decoration: none;
    color:white;
    padding: 0px 30px;
}

section>h1{
    color:#212121;
    margin: 0 auto;
    font-size: 2rem;
    text-align: center;
    padding-top: 80px;
}
.about_line{
    padding-top: 10px;
    width: 80px;
    margin: 0 auto;
    margin-bottom: 50px;
    border-bottom:5px #212121 solid;
}
.about_wrap{
    margin-top: 50px;
    margin-bottom: 50px;
    display: flex;
    justify-content:space-around;
    align-items:stretch;
}
.responsibility{
    opacity:0 ;
    width: 25%;
}
.responsibility span{
    font-style:italic;
}
.show{
    opacity: 1;
    transition: 1s;
}

img{
    width: 40%;
    margin: 0 auto;
    display: block;
}
div>p{
    text-align: center;
    font-size: 1.3rem;
    font-weight: 400;
}
div>h4{
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
}
.about_exp{
    display: flex;
    justify-content:space-around;
    align-items:center;
    height: 500px;
    margin-bottom: 50px;
} 
.foto img{
    width: 100%;
    border-radius: 50%;

}
.foto{
    padding: 20px 20px;
    z-index: -1;
    width: 100%;
    height: 100%;
    /*animation: slideInLeft 0.75s ease both;*/
}

.anime_left{
    animation: slideInLeft 0.75s ease both;
}
.anime_right{
    animation: slideInRight 0.75s ease both;
}

.hide{
    opacity: 0;
}

@keyframes slideInLeft {
    0% {
    opacity: 0;
    transform: translateX(-300px);
}

    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    0% {
    opacity: 0;
    transform: translateX(300px);
}

    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

.exp{
    padding: 20px 20px 20px 150px;
    font-size: 1.5rem;
    line-height: 1.5;
    width: 200%;
    height: 100%;
}

#portfolio{
    height: 565px;
    background: #fff;
}
.projects_wrap{
    display: flex;
    justify-content: space-between;
    margin:50px 0px ;
    max-width: 1200px;
    margin: 0 auto;
}
.projects_wrap_gaz, .projects_wrap_cow{
    width: 390px;
    height: 390px;
    flex-wrap: wrap;
}
.projects_wrap_gaz img {
    width: 100%;
}
.projects_wrap_cow img {
    width: 100%;
}
footer{
    background:#272727;
    height:800px;
}
.footer_wrap .about_line{
    border-color:white;
}
.footer_wrap{
    max-width: 1200px;
    margin: 50px auto;
    text-align: center;
}
form input, form textarea{
    background-color:#212121;
    margin:2px auto;
    width:500px;
    border:2px #272727 solid;
    padding: 5px;
    color:white;
    font-size: 1rem;
}
form input{
    height:40px;
}
form textarea{
    height: 80px;
}
.form_submit{
    position: relative;
    margin: 0 auto;
    width: 500px;
    height: 80px;
}
.form_submit button{
    position: absolute;
    margin: 0px;
    right:-5px;
    width: 150px;
    height: 50px;
    font-size: 1rem;
    text-transform: uppercase;
}

.to_home{
    transform: rotate(90deg);
    margin: 0 auto;
    position: relative;
    top:25px;
    width: 50px;
    height: 50px;
    background-color:darkviolet;
    text-align: center;
}
.to_home a{
    color:white;
    font-size: 2.5rem;
    text-decoration: none;/* ⥣*/
}
.media{
    padding-top: 80px;
    background-color:#212121;
    height: 200px;
}
.media h5{
    color:rgb(85, 77, 70);
    text-align: center;
    font-size: 1.2rem;
    padding-top:5%;
}
.media_wrap{
    display: flex;
    margin: 0 auto;
    width: 300px;
    height: 50px;
    justify-content:space-around;
}
.media_wrap button{
    margin: 0 auto;
    width: 50px;
    height: 50px;
    background-color:#272727;
    color:rgb(85, 77, 70);
    border:1px #272727 solid;
}


.in{
    /*position:absolute;*/
    top:0;
    width: 100%;
    transition: all ease 0.5s;
}
.in_wrap:hover .in{
    background-color:#04c2c9;
    color:white;
}

.projects_wrap_gaz{
    position: relative;
}
.front, .back{
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: 1s;
    backface-visibility: hidden;
    background-color: #fff;
}




.back_top, .back_bottom{
    position: absolute;
    left: center;
    opacity: 0;
    text-align: center;
}

.back_top{
   font-size: 1.5rem;
   top:0px;
   padding: 15px;
   /*transform: translateY(50%);
    transition: all 500ms;*/
}

.back_bottom{
    bottom:0px;
    text-transform: uppercase;
    border:1px red solid;
    padding: 10px 20px;
    background-color:red;
}
.back_bottom a{
    text-decoration: none;
    color:#fff;
}
.back_bottom:hover{
    background-color:#fff;
}
.back_bottom:hover a{
    color: red;
}

.back_top_sub{
    font-size: 1rem;
}

.back {
    transform: rotateY(180deg);
}

.projects_wrap_gaz:hover .front {
    transform: rotateY(180deg);
}

.projects_wrap_gaz:hover .back {
    transform: rotateY(360deg);
}
.projects_wrap_gaz:hover .back_top{
    animation: move 1s forwards;
}
.projects_wrap_gaz:hover .back_bottom{
    animation: moveup 1s forwards;
}





@keyframes move {
    0% {
        top: 0;
        opacity: 0;
    }
    100% {
        top: 100px;
        opacity: 1;
    }
}
@keyframes moveup {
    0% {
        bottom: 0;
        opacity: 0;
    }
    100% {
        bottom: 100px;
        opacity: 1;
    }
}
@keyframes movedown {
    0% {
        top:0px;
        height: 50px;
        color:yellow;
    }
    50% {
        top:50px;
        height: 0px;
        opacity: 0;
    }
    100% {
        top:0px;
        height: 50px;
        opacity: 1;
    }
  
}