@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    list-style: none;
    border: none;
    outline: none;
    font-family: "Poppins", sans-serif;
}

:root {
    --nav-bg-color: rgba(255, 255, 255, .1);
    --bg-color: #171f2b;
    --second-bg-color: #1f2733;
    --third-bg-color: #2d3542;
    --main-color: #0ef;
    --white-color: #fff;
    --tab-list-color: #7c8594;
}

::selection {
    background: var(--main-color);
    color: var(--bg-color);
}

::-webkit-scrollbar {
    width: .5rem;
}

::-webkit-scrollbar-thumb {
    background: var(--main-color);
    border-radius: 1rem;
}

::placeholder {
    color: var(--white-color);
}

html{
    font-size: 62.5%;
}
body{
    color: var(--white-color);
    overflow: hidden;
    
  
}
p{
    font-size: 1.6rem;
}

.nav{
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 40rem;
    transform: translateX(-50%);
    width: 40rem;
    padding: 2rem 0;
    background: var(--nav-bg-color);
    border-radius: 5rem;
    z-index: 100;
    animation: animate-nav ease-in-out backwards;
    animation-delay: 4s;
}
@keyframes animate-nav{
    0%{
        visibility: hidden;
        opacity: 0;
    }
    100%{
        visibility: visible;
        opacity: 0;
    }
}


.nav .nav-list{
    display: flex;
    justify-content: space-evenly;
   
}

.nav-list li{
    position: relative;
    display: flex;
    font-size: 3rem;
    cursor: pointer;
    transition: .3s;
    
}

.nav-list li:hover,
.nav-list li.active{
    color: var(--main-color);
}

.tooltip{
    position: absolute;
    top: -4rem;
    left: 50%;
    transform: translateX(-50%);
    padding: .3rem 1rem;
    background: var(--main-color);
    border-radius: .4rem;
    font-size: 1.6rem;
    color: var(--bg-color);
    font-weight: 500;
    white-space: nowrap;
    visibility: hidden;
    opacity: 0;
    transition: .3s;
}

.nav-list li:hover .tooltip,
a:hover .tooltip,
.portfolio-item:hover .work-info{
    visibility: visible;
    opacity: 1;
}
.container{
    width: 100vw;
    height: 100vh;
    perspective: 1500px;
    perspective-origin: 50%;
}

.box{
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transform-origin: 50% 50% -50vw;
    transform: rotateY(0deg);
    transition: 2s;
    animation: animate-cube 4s ease-in-out backwards;
    

}
@keyframes  animate-cube{
    0%{
        transform: scale(0) rotateY(-360deg);
    }
    100%{
        transform: scale(1) rotateY(0deg);
    }
}
.section{
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    padding: 0 10%;
    backface-visibility: hidden;
}
.section:nth-child(even){
    background: var(--second-bg-color);
}

.section.about{
    transform: translateX(50vw) translateZ(-50vw) rotateY(90deg);
}

.section.resume{
    transform: translateZ(-100vw) rotateY(-180deg);
    transform-origin: 50%;
}
.section.portfolio{
    transform: translateX(-50vw) translateZ(-50vw) rotateY(-90deg);
}
.section.contact{
    visibility: hidden;
    transition-delay: .5s;
    
}
.section.contact.active{
    visibility: visible;
    
}
.section.contact.action-contact{
    transition-delay: 1.5s;
    
}
.section.contact.action-contact.active{
    transition-delay: 0s;
    
}


.home,
.about {
    display: flex;
    align-items: center;
    gap: 5rem;
}

.home-info h1{
    font-size: 5.5rem;
    color: var(--main-color);
    line-height: 1;
}
.home-info h3{
    font-size: 3rem;
}
.desc{
    margin : 1rem 0 2rem;
 }

.home-info .btn-sci{
    display: flex;
    align-items: center;

}
.btn{
    display: inline-flex;
    padding: 1.2rem 3rem;
    background: var(--main-color);
    border-radius: 5rem;
    box-shadow: 0 0 1rem var(--main-color);
    font-size: 1.6rem;
    color: var(--bg-color);
    font-weight: 600;
    transition: .3s;
}

.btn:hover {
    box-shadow: none;
}

.home-info .btn-sci .sci{
    margin-left: 2rem;
}
.home-info .btn-sci .sci a {
    position: relative;
    display: inline-flex;
    padding: .8rem;
    border: .2rem solid var(--main-color);
    border-radius: 50%;
    font-size: 2rem;
    color: var(--main-color);
    margin: 0 .8rem;
    transition: .3s;
    
}
.home-info .btn-sci .sci a:hover{
    background: var(--main-color);
    color: var(--bg-color);
}

.img-box{
    position: relative;
    width: 32vw;
    height: 32vw;
    background: linear-gradient(var(--bg-color),var(--main-color));
    border-radius: 50%;
    border: .5rem solid var(--main-color);
    box-shadow: 0 0 2rem var(--main-color);
    display: flex;
    justify-content: center;
    overflow: hidden;
    transform: 1s;

}
.img-box.home-img:hover{
    box-shadow: 0 0 8rem var(--main-color);

}
.img-box img{
    top: 3rem;
    position: absolute;
    display: block;
    width: 85%;
    object-fit: cover;
}




.img-box.about-img{
    background: transparent;
    box-shadow: 0 0 2rem var(--main-color), inset 0 0 1rem var(--main-color);
}
.img-box.about-img img{ 
    z-index: -1;
}

.title{
    font-size: 4rem;
    text-align: center;

}
/* about */
.about-info .title{
    text-align: left;
}
.about-info h3 {
    font-size:  2.5rem;
    color: var(--main-color);
    margin-top: -1rem;
}
.about-info .btn{
    padding: 1.2rem 4rem;
}
/* resume */
.resume,
.portfolio{
    padding-top:2rem;
    padding-bottom: 28rem;
}
.tab-box{
    display: flex;
    width: 100%;
    height: 5rem;
    margin-top: 1rem;
    margin-bottom: 2rem;
}

.tab-list {
    display: flex;
    align-items: center;
    width: 100%;
    cursor: pointer;
    border-bottom: .3rem solid var(--tab-list-color);
    color: var(--tab-list-color);
    transition: .5s;
  
}
.tab-list.resume-list.active,
.tab-list.portfolio-list.active{
    border-color: var(--main-color);
    color: var(--main-color);

}
.resume-list:nth-child(2){
    justify-content: center;
}
.resume-list:nth-child(3){
    justify-content: flex-end;
}
.tab-list h3{
    font-size: 2.5rem;
}

.tab-wrapper{
    position: relative;
    width: 100%;
    height: 100%;
  

}
.tab-grid{
    position: absolute;
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(30rem, 1fr));
    gap: 2rem;
    overflow-y: auto;
    overflow-X: hidden;
    visibility: hidden;
    opacity: 0;
    transform: scale(.8);

}

.tab-grid.resume-box.active,
.tab-grid.portfolio-box.active{
    visibility: visible;
    opacity: 1;
    transform: scale(1);
    transition: .5s;
}

.tab-item{
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--third-bg-color);
    border-radius: .8rem;
    padding: 2rem;

}
.tab-item h4{
    font-size: 2.3rem;
}

.resume-item h4:nth-child(1),
.resume-item h4:nth-child(3){
    font-size: 1.7rem;
    color: var(--main-color);
    font-weight: 400;
}
.resume-item h4:nth-child(3){
    position: relative;
    color: var(--white-color);
    margin-left: 2rem;
}
.resume-item h4:nth-child(3)::before{
    content: '';
    position: absolute;
    left: -2rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1rem;
    height: 1rem;
    background: var(--main-color);
    border-radius: 50%;
}
.tab-item p{
    margin-top: 1rem;
}

.resume-box.skills{
    grid-template-columns: repeat(auto-fit,minmax(16rem ,1fr));
}
.resume-box.skills .resume-item{
    align-items: center;
}
.resume-box.skills .resume-item i{
    font-size: 8rem;
    transition: .3s;
}
.resume-box.skills .resume-item:hover{
    color: var(--main-color);
}
.resume-box.skills .resume-item p{
    margin-top: 0;
}
/* Portfolio */
.portfolio-list:nth-child(2){
    justify-content: flex-end;

}

.portfolio-box.work .portfolio-item{
    position: relative;
}
.portfolio-box.work .portfolio-item::before{
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: var(--third-bg-color);
    border-radius: .8rem;
    z-index: 1;
    opacity: 0;
    transition: .3s;
}
.portfolio-box.work .portfolio-item:hover::before{
    opacity: .9;
}
.portfolio-item .work-img{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    border-radius: .8rem;
    overflow : hidden;
}

.portfolio-item .work-img img{
    display :block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .3s;
}
.portfolio-item:hover .work-img img{
    transform: scale(1.2);
}

.portfolio-item .work-info{
    z-index: 1;
    visibility: hidden;
    opacity: 0;
    transition: .3s;
}
.portfolio-item .work-info h4{
    line-height: 1;
}

.portfolio-item .work-info .tech-used{
    color: var(--main-color);
    border-bottom: .1rem solid var(--white-color);
    padding-bottom: 1rem;
    margin-bottom: 1rem;

}
.portfolio-item .portfolio-icon a {
    position: relative;
    display: inline-flex;
    padding:1rem;
    background: var(--white-color);
    border-radius: 50%;
    font-size: 2.5rem;
    color: var(--bg-color);
    transition: .3s;

}
.portfolio-item .work-icon a:hover{
    background: var(--main-color);


}
.portfolio-item .work-icon a:nth-child(1){
    margin-right: 1rem;
}
.portfolio-item .work-icon a:nth-child(1) i {
    transform: rotate(135deg);
}

.portfolio-item .service-icon{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: .5rem;
}

.portfolio-item .service-icon .icon{
    font-size: 5rem;
    margin-left: -.3rem;
}
.portfolio-item:hover .service-icon .icon{
    color: var(--main-color);
}
.portfolio-item:hover .service-icon a{
    background: var(--main-color);


}
.portfolio-item .service-icon a i{
    transform: rotate(-135deg);
    transition: .3s;
}

.portfolio-item .service-icon a:hover i{
    transform: rotate(-180deg);
}
.portfolio-box.service .portfolio-item h4{
    transition: .3s;

}
.portfolio-box.service .portfolio-item:hover h4{
    color: var(--main-color);

}

/* contact */
.contact{
    padding-top: 2rem;
    padding-bottom: 18rem;
}
.contact-wrapper{
    display: flex;
    justify-content: center;
    height: 100%;
}
.contact-form{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 70rem;
}

.contact-form h3{
    font-size: 3rem;
    color: var(--main-color);
    margin-bottom: 1rem;

}
.contact-form .field-box{
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}
.contact-form .field-box input,
.contact-form .field-box textarea{
    flex: 1 1 30rem;
    padding: 2rem;
    background:var(--third-bg-color);
    border-radius:  .6rem;
    font-size: 1.6rem;
    color: var(--white-color);
}

.contact-form .field-box textarea{
    height: 20rem;
    resize: none;
}
.contact-form .contact-btn{
    margin-top: 2rem;
}
.contact-form .contact-btn .btn{
    cursor: pointer;
}

/* RESPON */

@media screen and (max-width:1200px){
    html{
        font-size: 55%;
    }
    
}
@media screen and (max-width:992px){
  .section{
    padding: 0 4%;
  }

  .resume,
  .portfolio{
    padding-top: 1.5rem;
    padding-bottom: 27rem;
  }
  .contact{
  padding-top: 1.5rem;
  padding-bottom: 18rem;
 }
}

@media screen and (max-width:768px){
  html{
    font-size: 50%;
  }
  .nav{
    bottom: 0;
  }

  .home,
  .about{
    flex-direction: column-reverse;
    justify-content: center;
    gap: 2rem;
    padding-bottom: 6rem;
  }
  .about{
    flex-direction: column;
  }
  .img-box{
    width: 35rem;
    height: 35rem;
  }
  .resume,
  .portfolio{
    padding-bottom: 25rem;
  }
  .contact{
    padding-bottom: 16rem;
    }
}

@media screen and (max-width:600px){
 .resume,
 .portfolio{
    padding-top: 1rem;
    padding-bottom: 22rem;
 }
 .tab-box{
    margin-top:0;
 }
 .contact{
    padding-top: 1rem;
 }
}

@media screen and (max-width:400px){
    .nav{
        width: 100%;
        border-radius: 0;
    }
    .home-info,
    .about-info{
        text-align: center;
    }
    .home-info h1{
        font-size: 5rem;
    }
    .home-info  .btn-sci{
        flex-direction: column-reverse;
   }
   .home-info .btn-sci .sci{
    margin-left: 0;
    margin-bottom: 2rem;
   }
   .img-box{
    width: 30rem;
    height: 30rem;
   }
   .about-info .title{
        text-align: center;
   }
}

@media screen and (max-width:350px){

   .img-box{
    width: 25rem;
    height: 25rem;
   }
   .tab-list h3 {
    font-size: 2.3rem;
   }

}