/* =============================================
   Navbar Styles
   ============================================= */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all var(--transition-normal);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(11, 25, 41, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: 0.6rem 0;
    box-shadow: var(--shadow-md);
}

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

/* ---------- Logo ---------- */
.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 1001;
}

.navbar-logo img {
    height: 48px;
    width: auto;
    transition: transform var(--transition-normal);
}

.navbar-logo:hover img {
    transform: scale(1.05);
}

.navbar-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.navbar-logo-text .ar {
    font-family: var(--font-arabic);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-accent);
}

.navbar-logo-text .en {
    font-size: 0.65rem;
    color: var(--color-text-secondary);
    font-weight: 400;
    letter-spacing: 0.5px;
}

/* ---------- Menu Container ---------- */
.navbar-menu {
    display: flex;
    align-items: center;
}

/* ---------- Nav Links ---------- */
.navbar-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.navbar-nav a {
    position: relative;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.navbar-nav a:hover,
.navbar-nav a.active {
    color: var(--color-accent);
    background: var(--color-glass-light);
}

.navbar-nav a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: var(--color-accent);
    border-radius: 1px;
    transition: transform var(--transition-fast);
}

.navbar-nav a:hover::after,
.navbar-nav a.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* ---------- Language Switcher ---------- */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-left: 1rem;
    padding: 0.25rem 0.5rem;
    background: var(--color-glass-light);
    border: 1px solid var(--color-border);
    border-radius: 999px;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
    transition: all var(--transition-fast);
    font-family: var(--font-primary);
    line-height: 1;
}

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

.lang-btn.active {
    background: var(--color-accent);
    color: var(--color-bg-primary);
    box-shadow: 0 0 10px rgba(90, 175, 204, 0.3);
}

.lang-divider {
    color: var(--color-border);
    font-size: 0.75rem;
    user-select: none;
}

/* ---------- Mobile Toggle ---------- */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
    padding: 4px;
    background: none;
    border: none;
}

.navbar-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.navbar-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggle.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Mobile Menu ---------- */
@media (max-width: 768px) {
    .navbar-toggle {
        display: flex;
    }

    .navbar-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-bg-secondary);
        border-left: 1px solid var(--color-border);
        padding: 5rem 2rem 2rem;
        transition: right var(--transition-normal);
        overflow-y: auto;
        box-shadow: var(--shadow-lg);
    }

    .navbar-menu.open {
        right: 0;
    }

    .navbar-nav {
        flex-direction: column;
        align-items: stretch;
        gap: 0.25rem;
    }

    .navbar-nav a {
        padding: 0.85rem 1rem;
        font-size: 1rem;
        border-radius: var(--radius-sm);
    }

    .lang-switcher {
        margin-left: 0;
        margin-top: 1.25rem;
        justify-content: center;
    }

    /* Overlay */
    .navbar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        z-index: 999;
    }

    .navbar-overlay.active {
        opacity: 1;
        visibility: visible;
    }
}

/* ---------- RTL Support ---------- */
[dir="rtl"] .lang-switcher {
    margin-left: 0;
    margin-right: 1rem;
}

[dir="rtl"] .navbar-nav a::after {
    /* keep centered underline */
}

@media (max-width: 768px) {
    [dir="rtl"] .navbar-menu {
        right: auto;
        left: -100%;
        border-left: none;
        border-right: 1px solid var(--color-border);
    }

    [dir="rtl"] .navbar-menu.open {
        left: 0;
    }

    [dir="rtl"] .lang-switcher {
        margin-right: 0;
    }
}