*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family: Arial, sans-serif;
    line-height:1.6;
    color:#333;
}

.container{
    width:90%;
    max-width:1000px;
    margin:auto;
}

header{
    background:#0f172a;
    color:white;
    text-align:center;
    padding:60px 20px;
}

.avatar{
    width:180px;
    height:180px;
    border-radius:50%;
    object-fit:cover;
    margin-bottom:20px;
}

h1{
    margin-bottom:10px;
}

.btn{
    display:inline-block;
    margin-top:20px;
    padding:12px 24px;
    background:#2563eb;
    color:white;
    text-decoration:none;
    border-radius:8px;
}

section{
    padding:60px 0;
}

.dark{
    background:#f5f5f5;
}

.skills{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:20px;
}

.skills span{
    background:#2563eb;
    color:white;
    padding:8px 14px;
    border-radius:20px;
}

footer{
    text-align:center;
    padding:30px;
    background:#0f172a;
    color:white;
}