* {
    margin: 0;
    padding: 0;
    box-sizing: border-box ;
    text-decoration: none;
    border: none;
    outline: none;
    scroll-behavior: smooth;
    font-family: "Poppins";

}

html{
    font-size: 60%;
    overflow-x: hidden;
}

body{
    background: var(--bg-color);
    color: var(--text-color);

}

.header{
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    padding: 4rem 12%;
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
    display: flex ;
    justify-content: space-between;
    align-items: center;
    z-index: 100;

}

#menu-icon{
    font-size: 3.6rem;
    color: var(--main-color);
    display: none;
}

.menu-hover:hover{
    display: block;
}
 

.logo{
    font-size: 3rem;
    color: var(--text-color);
    font-weight: 800;
    cursor: pointer;
   
}

.logo:hover{
    transform: scale(1.1);

}

span{
    color: var(--main-color);
}

.navbar a{
    font-size: 1.8rem;
    color: var(--text-color);
    margin-left: 4rem ;
    font-weight: 500;
    border-bottom: 3px solid transparent ;
    transition: 0.3s ease; 
}

.navbar a:hover,
.navbar a.active{
    border-bottom: 3px solid var(--main-color) ;
    color: var(--main-color);
}

section{
    min-height: 100vh;
    padding: 10rem 12%;
}

.home{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10rem;
}

.home-content{
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
}

.home-content h1{
    font-size: 8rem;
    font-weight: 700;
    margin-top: 1.5rem;
    line-height: 1;
}



span{
    color: var(--main-color);
}

.home-content h3{ 
    font-size: 4rem;
    margin: 1.2rem 0;
    font-weight: 600px;  
}

.home-content h3 span{
    background-color: var(--bg-color);
}



.home-content p{
    font-size: 1.7rem;
    font-weight: 500;
    line-height: 1.8; 
} 

.text-anim{
    font-size: 36px;
    font-weight: 600;
    min-width: 220px;   
    flex-direction: row;
    display: inline-block;
 }

 .text-anim p{
    font-size: 36px;
    font-weight: 600;
    min-width: 220px;    
 }


 
.text-anim span{
    position:relative;
    font-size: 36px;
    font-weight: 600;
    min-width: 220px;  
    display: inline-block;
    align-content: flex-start;
     
}

.text-anim span::before{
    content: 'Python Developer';
    color: var(--main-color);
    animation: words 20s infinite; 
}

.text-anim span::after{
    content: '';
    background-color: var(--bg-color);
    position:absolute;
    width: calc(100% +8px);
    height: 100%; 
    border-left: 3px solid var(--bg-color);
    right: -8px;
    animation:  cursor 0.6s infinite, typing 20s  steps(12) infinite;
}

.home-img img{
    width: 32vw;
    border-radius: 0%;
    box-shadow: 0 0 25px var(--main-color);  
    
}

.home-img img:hover{
    box-shadow: 0 0 25px var(--main-color),
                0 0 50px var(--main-color),
                0 0 100px var(--main-color); 
    
}

.social-icons a{
    display: inline-flex;
    color: var(--main-color);
    justify-content: center;
    align-items: center;
    font-size: 3rem;
    padding: 1rem ;
    background: transparent;
    border: 2px solid var(--main-color);
    border-radius: 50% ;
    columns: var(--main-color);
    margin: 3rem 0.5rem ;
    transition: 0.3s ease;
}

.social-icons a:hover{
    color: var(--text-color) ;
    background-color: var(--main-color);
    transform: scale(1.2)translateY(-5px);
    box-shadow: 0 0 25px var(--main-color);

}

.btn-group{
    display: flex;
    gap: 1.5rem;
}

.btn{
    display: inline-block;
    padding: 1rem 3rem;
    background: var(--main-color);
    box-shadow: 0 0 25px var(--main-color);
    border-radius: 3rem;
    font-size: 1.8rem;
    color: black;
    border: 2px solid transparent;
    font-weight: 600;
    transition: 0.3s ease-in-out;
}

.btn-group a:nth-of-type(2){
    background-color: black;
    box-shadow: 0 0 25px var(--main-color);
    color: var(--main-color); 

}
.btn:hover{
    transform: scale(1.05);
    box-shadow: 0 0 25px var(--main-color),
                0 0 50 px var(--main-color);
 }


 .switch {
    height:28px;
    position:sticky;
    right: 50px;
    top: 50px;
}
    
.theme-switch {
  display:inline-block;
  height: 26px;
  position: relative;
  width: 52px;
}

.theme-switch input {
  display:none;
}

.slider {
    
  background-color: #ccc;
  bottom: 0;
  cursor: pointer;
  left: 0;
  position: absolute; 
  right: 0;
  top: 0;
  transition: .4s;
}



.slider:before {
    background-color: #fff;
    bottom: 4px;
    content: "";
    height: 22px;
    left: 4px;
    position: absolute;
    transition: .4s;
    width: 22px;
}

input:checked + .slider {
  background-color: #2b2b2b;
}

input:checked + .slider:before {
  transform: translateX(22px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}
  
 .about{
    display: flex;
    justify-content: center;
    gap: 10rem;
    align-items: center;
    background-color: var(--second-bg-colorbg-color);

 }

 .about-img img{
    width: 30vw;
    border-radius: 50%;
    box-shadow: 0 0 25px var(--main-color); 
    transition: 0.4s ease-in-out; 
    
 }

 .about-img:hover{
    background-color: var(--bg-color);
    box-shadow: 0 0 25px var(--main-color),
                0 0 50px var(--main-color),
                0 0 100px var(--main-color);
    border-radius: 50%;
}

.about-content h2{
    font-size: 7rem;
    text-align: center;
    margin-bottom: 3rem;

}

.about-content p{
    font-size: 1.8rem;  
    text-align: center;
 }
 

::-webkit-scrollbar{
    width: 20px;

}

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

}

::-webkit-scrollbar-track{
    background-color: var(--bg-color);

}

:root{
    --bg-color: #080808;
    --second-bg-color: #000000;
    --text-color: rgb(215, 201, 199);
    --main-color: #5d8bff;
}

[data-theme= "dark" ]{
    --bg-color: #080808;
    --second-bg-color: #001005;
    --text-color: rgb(215, 201, 199);
    --main-color: #82bcdf;
}

[data-theme= "light" ]{
    --bg-color: #c1c8d6;
    --second-bg-color: #c2c6cf;
    --text-color: rgb(0, 0, 0);
    --main-color: #495889;
}

.heading{
    text-align: center;
    font-size: 7rem;
    margin: 5 rem 0;
}


.skills{
    background-color: var(--bg-color);
    color: black;
} 

.skills h2{
    color: var(--text-color);
    margin: 2rem;
    text-align: center;
}

.skill-container{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
}

.skill-box{ 
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-color);
    height: 100;
    min-width: 100;
    border-radius: 3rem;
    cursor: pointer;
    border: 5px solid transparent;
    transition: 0.4s ease-in-out;
     
}

.skill-box:hover{
    background-color: var(--bg-color);
  
    color:  var(--main-color); 
    border: 5px solid var(--bg-color);
    transform: scale(1.03);
}

.skill-info{
    display: flex;
    flex-direction:row;
    text-align: center;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.skill-info i{
    font-size: 4rem;
}

.skill-info h4{
    font-size: 2rem;
    margin: 2rem 0;
    font-weight: 800;
}
 
 
  


.exp{
    background-color: var(--bg-color);
    color: black;
    margin-left: 0%;
}

.exp h2{
    color: var(--text-color);
    margin: 0rem;
}

.exp-container{
    display: run-in;
    grid-template-rows: repeat(auto-fit, minmax(300px, 1fr));
    align-items: center;
    gap: 2rem;
}

.exp-box{
    display: run-in;
    justify-content: center;
    align-items: center;
    background-color: var(--main-color);
    
    background-color: var(--main-color);
    padding: 30px; 
    border-radius: 1em;
    margin: 10px;
    cursor: pointer;
    transition: 0.3s ease-in-out;
    margin: 2rem;
  }

  .exp-box .exp-info{
   padding: 1%;
  }

.exp-box .exp-info p{
    font-size: 0rem;
}

.exp-info h3 span{ 
    font-size: 2.2rem;  
    font-weight: 800;
    color: black; 
}

.exp-info h4 span{ 
    font-size: 1.5rem; 
    font-weight: 800;
    color: black;
    font-style: italic; 
    gap: 1rem; 
}

.exp-info p{  
    font-size: 1rem;
    margin: 1rem 0;
    color: var(--main-color);
    justify-content: center;
    transition: visibility 0s, opacity 0.4s ease-in-out; 
    
}

.exp-box:hover { 
    background-color: var(--second-bg-color); 
    color:  var(--main-color); 
    font-size: 1rem;
    border: 5px solid var(--second-bg-color);
    transform: scale(1.03);
    
}

.exp-box:hover .exp-info h3 span{
    color: var(--main-color); ;
}

.exp-box:hover .exp-info h4 span{
    color: var(--main-color); ;
}

.exp-box:hover .exp-info p {
   font-size: 1.6rem;
   font-weight: 400;
   color:var(--main-color); ;
}

.timeline-section{
    min-height: 100vh;
    padding: 100px 15px;
    background: var(--bg-color);
    
}

.timeline-section h2{
    margin-bottom: 5rem;
}

.timeline-items{
    max-width: 1000px;
     margin: auto;
     display: flex; 
     flex-wrap: wrap;
     position: relative;  

}

.timeline-items::before{
    content: '';
    position: absolute;
    width: 3px; 
    background-color: var(--main-color);
    left: calc(50% - 1px);
    height: 100%; 
}

.timeline-item{
    margin-bottom: 40px;
    width: 100%;
    position:  relative;
    
}

.timeline-item:last-child{
    margin-bottom:0;
}

.timeline-item:nth-child(odd){
    padding-right: calc(50% + 30px);
    text-align: left;
}

.timeline-item:nth-child(odd) .timeline-date{
    padding-left: calc(50% + 35px);
    
}

.timeline-item:nth-child(even){
    padding-left: calc(50% + 30px);
}

.timeline-item:nth-child(even) .timeline-date{
    padding-right: calc(50% + 1px);
    
}



.timeline-dot{
    height: 15px;
    width: 15px;
    background-color: var(--main-color);
    position: absolute;
    left: calc(50% - 7px);
    border-radius: 50%;
    top: 0px; 
}

.timeline-date{
    font-size: 20px;
    font-weight: 800;
    color: var(--main-color);
    margin: 6px 0 15px;
}

.timeline-content p{
    font-size: 0rem; 
}

.timeline-content{
    
    background-color: var(--main-color);
    padding: 30px; 
    border-radius: 1em;
    margin: 10px;
    cursor: pointer;
    transition: 0.3s ease-in-out;
    
}

.timeline-content:hover{
    background-color: var(--second-bg-color); 
    color:  var(--main-color); 
    font-size: 1rem;
    border: 5px solid var(--second-bg-color);
    transform: scale(1.05); 
}


.timeline-content:hover  h3  {
    color: var(--main-color); 
}

.timeline-content:hover  h4  {
    color: var(--main-color); 
}

.timeline-content h4 { 
    font-size: 1.2rem; 
    font-weight: 800;
    color: black;
    font-style: italic; 
    gap: 1rem; 
}
 
.timeline-content:hover  p {
   padding-top: 1rem;
   font-size: 1.6rem;
   font-weight: 400;
   line-height: 22px;
   color:var(--main-color); 
   opacity: 0.8; 
  
}


.timeline-content h3 { 
    font-size: 15px;  
    font-weight: 800;
    color: black; 
    margin: 0 0 10px ;
    text-transform: capitalize;
} 



  
.contact{
    background-color: var(--second-bg-color);

}

.contact h2{
    margin-bottom: 3rem;
    color: var(--text-color);
}

.contact form{ 
    position: st;
    display:flex; 
    align-items: center;
    justify-content: center;
    gap: 3rem;
    margin: 5rem 0;
    text-align: center;

}

.contact form .input-grp .input-box input{ 
    position: relative;
    max-width:   800px;
    min-width:   400px;
    
    padding: 2.5rem;
    font-size: 1.8rem;
    color: var(--main-color);
    background-color: var(--bg-color);
    border-radius: 2rem;
    border: 2px solid var(--main-color);
    margin: 1.5rem;
    resize: none;  
}

.contact form .input-grp .input-box input{
    color: var(--main-color);
    display: flex;
}

.contact form .input-grp .input-box input::-webkit-outer-spin-button,
.contact form .input-grp .input-box input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}


.contact form .input-grp2 textarea{
    max-width:  800px;
    min-width:   400px;
    
    padding: 2.5rem;
    font-size: 1.8rem;
    color: var(--main-color);
    background-color: var(--bg-color);
    border-radius: 2rem;
    border: 2px solid var(--main-color);
    margin: 1.5rem;
    resize:none;

}

.input-grp2{
    flex-direction: column ;
}

.input-box .btn{
    position: relative;
}

.footer{
    background-color: var(--bg-color);
    padding: 50px;
}

.footer .social-icons{
    text-align: center;
}

.footer ul{
    text-align:  center;
    font-size: 1.8rem;
}

.footer ul li{
    display:  inline-block;
    margin-left: 20px;
}

.footer ul li a{
    color: white;
    border-bottom: 3px solid transparent;
    transition: 0.3s ease-in-out;
}

.footer ul li a:hover{
    border-bottom: 3px solid var(--main-color);
}

.footer .copyright{
    text-align: center;
    margin-top: 40px;
    font-size: 16px; 
}

@media (max-width:1024px){

    html{
        font-size: 55%;
    }

    

    #menu-icon{
        display: block;

    }

     


    .navbar{
        position: absolute;
        top: 100%;
        right: 0;
        width: 50%;
        padding: 1rem 3% ;
        background-color: var(--bg-color);
        border-left: 2px solid var(--main-color);
        border-bottom: 2px solid var(--main-color);
        border-color: 2px solid  var(--main-color);
        border-bottom-left-radius: 2rem;
        border-top: 0.1rem solid black;
        display: none;

    }

     

    .navbar a{
        display: block;
        font-size: 2rem;
        margin: 3rem 0;
        color: var(--text-color);
    }

    .navbar.active{
        display: block;

    }
 

    .home{
        flex-direction: column-reverse;
        margin: 5rem 0;
        gap: 5rem;
    }
    .home-content{
        align-items: center;
        text-align: center;
    }

    .home-content h3{
        font-size: 2.6rem;
    }

    .home-img img{
        width: 32vw;
    }
    .about{
        flex-direction: column-reverse;
        text-align: center;
    }

    .about h2{
        text-align: center;
        margin: 2rem 0;
    }

    .about img{
        width: 32vw;
    }

    .contact form{
        flex-direction: column ;
    }
}

@keyframes cursor{
    to{
        border-left:  2px solid var(--main-color);
    }
}

@keyframes words{
    0%,
    20%{
        content: 'Software Engineer'; 
    }
    21%,
    40%{
        content: 'A.I Engineer'; 
    }
    41%,
    60%{
        content: 'M.L Engineer';
    }
    61%,
    80%{
        content: 'Researcher';
    } 
    81%,
    100%{
        content: 'Data Scientist';
    }
    
}

@keyframes typing{
    10%,
    15%,
    30%,
    35%,
    50%,
    55%,
    70%,
    75%,
    90%,
    95%{
        width: 0;
    }
    5%,
    20%,
    25%,
    40%,
    45%,
    60%,
    65%,
    80%,
    85%{
        width: calc(100% + 8px); 
    }



}