:root {
    --nav-bg: #ffffff;
    --nav-text: #1f2937;
    --nav-muted: #6b7280;
    --nav-border: rgba(0, 0, 0, 0.08);
    --nav-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --nav-primary: #111827;
    --nav-accent: #c89b5b;
    --nav-hover: #f8f5ef;
    --nav-radius: 18px;
    --nav-transition: all 0.3s ease;
}

body {
    margin: 0;
    font-family: "Cairo", "Segoe UI", Tahoma, sans-serif;
    background: #f8fafc;
}

.site-navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--nav-border);
    box-shadow: var(--nav-shadow);
}

.nav-container {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.nav-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--nav-primary);
    font-weight: 800;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.nav-logo-img {
    width: 42px;
    height: 42px;
    object-fit: contain;
    border-radius: 12px;
}

.nav-logo-text {
    letter-spacing: 0.4px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0;
    padding: 0;
}

    .nav-links li a {
        text-decoration: none;
        color: var(--nav-text);
        font-weight: 600;
        padding: 10px 16px;
        border-radius: 999px;
        transition: var(--nav-transition);
        display: inline-flex;
        align-items: center;
    }

        .nav-links li a:hover {
            background: var(--nav-hover);
            color: var(--nav-accent);
        }

.nav-lang {
    display: flex;
    align-items: center;
    gap: 8px;
}

    .nav-lang form {
        margin: 0;
    }

.lang-btn {
    border: 1px solid var(--nav-border);
    background: #fff;
    color: var(--nav-text);
    padding: 10px 14px;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 700;
    min-width: 54px;
    transition: var(--nav-transition);
}

    .lang-btn:hover {
        background: var(--nav-hover);
        color: var(--nav-accent);
    }

    .lang-btn.active {
        background: var(--nav-primary);
        color: #fff;
        border-color: var(--nav-primary);
    }

.nav-toggle {
    display: none;
    width: 46px;
    height: 46px;
    border: none;
    background: #fff;
    border-radius: 12px;
    cursor: pointer;
    padding: 10px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

    .nav-toggle span {
        display: block;
        height: 2px;
        width: 100%;
        background: var(--nav-primary);
        margin: 5px 0;
        border-radius: 2px;
        transition: var(--nav-transition);
    }

/* Direction support */
.site-navbar.rtl {
    direction: rtl;
}

.site-navbar.ltr {
    direction: ltr;
}

/* Mobile */
@media (max-width: 900px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 79px;
        left: 16px;
        right: 16px;
        background: #fff;
        border: 1px solid var(--nav-border);
        border-radius: 22px;
        box-shadow: 0 18px 40px rgba(0, 0, 0, 0.12);
        padding: 18px;
        flex-direction: column;
        align-items: stretch;
        gap: 18px;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-10px);
        transition: var(--nav-transition);
    }

        .nav-menu.open {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }

    .nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

        .nav-links li a {
            width: 100%;
            justify-content: center;
            padding: 14px 16px;
            border-radius: 14px;
            background: #fafafa;
        }

    .nav-lang {
        justify-content: center;
        border-top: 1px solid var(--nav-border);
        padding-top: 14px;
    }
}