*{
    margin: 0;
    padding: 0;
    font-family: 'poppins', sans-serif;
    box-sizing: border-box;
}
:root{
   --background-color: #fff;
    --text-color: #555;
    --title-color: #000;
}
.dark-theme{
    --background-color: #000;
    --text-color: #999;
    --title-color: #fff;
}
body{
    background: var(--background-color);
    color: var(--text-color);
    transition: background 0.8s, color 0.8s;
}
.header{
    width: 100%;
    min-height: 100vh;
    padding: 0 8%;
    position: relative;
    overflow: hidden;
}
nav{
    display: flex;
    align-items: center;
    padding: 10px 0;
}
.logo img{
    width: 80px;
}
nav ul{
    width: 100%;
    text-align: right;
    list-style: none;
    margin: 50px;
}
nav ul li{
    display: inline-block;
    margin: 5px 15px;
}
nav ul li a{
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
}
.toggle-btn{
    background: #4864ff;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 150px;
    height: 40px;
    border-radius: 20px;
    cursor: pointer; 
}
.toggle-btn img{
    width: 25px;
    margin-left: 10px;
}
.content{
    margin-top: 0%;
    max-width: 300px;
}
.content h1{
    font-size: 10px;
    font-family: serif;
    color: var(--title-color);
    font-weight: 600;
}
.content h1 span{
    font-family: serif;
    font-weight: 400;
    font-style: italic;
}
.content a{
    background: #4864ff;
    color: #fff;
    padding: 15px 25px;
    border-radius: 30px;
    cursor: pointer;
    display: inline-block;
    margin-top: 30px;
    text-decoration: none;
}
.image-box img{
    width: 300px;
    display: block;
}
.image-box{
    position: absolute;
    bottom: 0;
    right: 20%;
}
.pattern{
    position: absolute;
    top: 0;
    left: 50%;
    display: flex;
    transform: rotate(40deg);
    z-index: -1;
}
.pattern img{
    width: 300px;
    position: absolute;
    top: 0;
    left: 0;
    animation: move 1s linear infinite alternate-reverse;
}
.pattern img:nth-child(1){
    transform: rotate(-45deg) translate(-70px, -50px);
    animation-delay: 0.5s;
}
.pattern img:nth-child(2){
    transform: rotate(65deg) translate(0px, -40px) scale(.8);
    animation-delay: 1.5s;
}
@keyframes move {
    100%{
        margin-left: 40px;
        margin-top: 20px;
        opacity: 0.3;
    }
}





@media(max-width:600px){

    html{
        font-size: 55%;
    }

    .header{
        padding:2rem;
    }
    
    .header .navbar a{
        display: block;
        font-size: 2.2rem;
        margin:0;
        padding:1.5rem 2rem;
    }
   
}

@media(max-width:450px){

    html{
        font-size: 50%;
    }
    
}