body {
        margin: 0;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        color: #333;
        scroll-behavior: smooth;
        /* Enables smooth scrolling */
    }

    header {
        background: linear-gradient(120deg, #1e3c72, #2a5298);
        color: white;
        height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        padding: 20px;
    }

    .avatar {
        width: 220px;
        height: 220px;
        border-radius: 50%;
        background: #fff;
        /* رنگ پس‌زمینه قاب */
        border: 4px solid #333;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 20px;
    }

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

    header h1 {
        font-size: 3em;
        margin: 0.2em;
    }

    header p {
        font-size: 1.2em;
    }

    nav {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(30, 60, 114, 0.9);
        padding: 10px;
        text-align: center;
        z-index: 10;
    }

    nav a {
        color: white;
        text-decoration: none;
        margin: 0 15px;
        font-weight: bold;
        transition: color 0.3s ease;
    }

    nav a:hover {
        color: #ffdd57;
    }

    section {
        padding: 80px 10% 60px;
        max-width: 1000px;
        margin: auto;
    }

    h2 {
        color: #1e3c72;
        margin-bottom: 20px;
        border-left: 4px solid #2a5298;
        padding-left: 10px;
    }

    .skills span {
        display: inline-block;
        background: #eee;
        padding: 8px 12px;
        margin: 5px;
        border-radius: 20px;
        font-size: 0.9em;
    }

    footer {
        background: #1e3c72;
        color: white;
        text-align: center;
        padding: 20px;
    }

    footer a {
        color: #ffdd57;
        text-decoration: none;
        margin: 0 10px;
    }