/* ===== هدر و منوی اصلی ===== */
.site-header {
    background: #4B3BDB;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.main-nav {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* تمام لینک‌های داخل هدر: سفید، خوانا، بدون شفافیت */
.site-header a,
.site-header .nav-links a,
.site-header .nav-logo a,
.site-header .nav-actions a {
    color: #ffffff !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    text-decoration: none;
    opacity: 1 !important;
    transition: opacity 0.2s;
}

    .site-header a:hover {
        color: #e0e0e0 !important;
    }

.lang-switcher {
    display: flex;
    background: rgba(255,255,255,0.1);
    border-radius: 6px;
    padding: 2px;
}

    .lang-switcher button {
        background: transparent;
        color: #ffffff !important;
        border: none;
        padding: 4px 10px;
        font-size: 14px !important;
        font-weight: 600 !important;
        cursor: pointer;
        border-radius: 4px;
        width: auto;
    }

        .lang-switcher button:hover {
            background: rgba(255,255,255,0.2);
        }