:root {
    --color-bg-light: #f4f4f4;
    --color-text-light: #1c1c1c;
    --color-bg-dark: #121212;
    --color-text-dark: #e0e0e0;
    --primary-color: #00bcd4;
    --transition-speed: 0.3s;
}

body {
    font-family: 'Vazirmatn', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--color-bg-light);
    color: var(--color-text-light);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

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

.container {
    max-width: 960px;
    margin: auto;
    padding: 2rem;
}

header {
    background: var(--primary-color);
    color: white;
    padding: 1rem 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
    padding: 0;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

.controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

select,
button {
    padding: 0.3rem 0.6rem;
    border-radius: 5px;
    border: none;
    cursor: pointer;
}

main img.profile-pic {
    width: 160px;
    border-radius: 50%;
    margin-bottom: 1rem;
}

main .bio {
    max-width: 600px;
}

.contact-list {
    list-style: none;
    padding: 0;
}

.contact-list li {
    margin: 0.5rem 0;
}

footer {
    background: #2b2b2b;
    color: white;
    text-align: center;
    padding: 1rem 0;
    font-size: 0.9rem;
}

@media (max-width: 600px) {

    header .container,
    main .container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }
}