/* ===================================
   HEVELA - Navbar Styles
   Glass morphism navigation
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-nav);
    padding: var(--space-md) 0;
    transition: all var(--transition-slow);
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
    padding: var(--space-sm) 0;
    box-shadow: var(--shadow-md);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

/* ---- Logo ---- */
.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    position: relative;
    z-index: 10;
}

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

.logo-ar {
    font-family: var(--font-ar);
    font-size: 1.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition-base);
}

.logo-en {
    font-family: var(--font-en);
    font-size: 0.6rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--clr-text-muted);
    transition: var(--transition-base);
}

.navbar-logo:hover .logo-ar {
    filter: brightness(1.2);
}

/* ---- Nav Links ---- */
.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--clr-text-secondary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
    transition: color var(--transition-base);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
    transition: width var(--transition-base);
    border-radius: var(--radius-full);
}

.nav-link:hover,
.nav-link.active {
    color: var(--clr-text);
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 100%;
}

.nav-link.active {
    color: var(--clr-primary-light);
}

/* ---- Nav Actions ---- */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Lang Switch */
.lang-switch {
    display: flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-en);
    font-size: var(--fs-xs);
    font-weight: 500;
    letter-spacing: 1px;
    color: var(--clr-text-muted);
    cursor: pointer;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    transition: var(--transition-base);
}

.lang-switch:hover {
    color: var(--clr-text);
    border-color: var(--clr-primary);
}

.lang-active {
    color: var(--clr-primary-light);
}

.lang-divider {
    color: var(--clr-text-muted);
    opacity: 0.4;
}

/* CTA Button */
.nav-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--fs-small);
    font-weight: 600;
    color: var(--clr-bg);
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
    padding: 10px 24px;
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px var(--clr-primary-glow);
}

.nav-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--clr-primary-glow);
}

.nav-cta:hover::before {
    left: 100%;
}

.nav-cta svg {
    transition: transform var(--transition-base);
    transform: rotate(180deg); /* RTL arrow */
}

.nav-cta:hover svg {
    transform: rotate(180deg) translateX(4px);
}

/* Mobile lang switch (inside slide menu) — hidden on desktop */
.nav-lang-mobile {
    display: none;
    list-style: none;
}

/* ---- Mobile Menu Toggle ---- */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    z-index: 10;
}

.menu-bar {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--clr-text);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    transform-origin: center;
}

.menu-toggle.active .menu-bar:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active .menu-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.menu-toggle.active .menu-bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ---- Mobile Responsive ---- */
@media (max-width: 1100px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 320px;
        height: 100vh;
        background: var(--clr-bg-light);
        backdrop-filter: blur(30px);
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        padding: var(--space-2xl) var(--space-xl);
        gap: var(--space-xs);
        transition: right 0.5s cubic-bezier(0.77, 0, 0.175, 1);
        border-left: 1px solid var(--glass-border);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.4);
    }

    .nav-links.open {
        right: 0;
    }

    .nav-link {
        font-size: 1.1rem;
        padding: var(--space-sm) 0;
        width: 100%;
        opacity: 0;
        transform: translateX(30px);
        transition: all 0.4s ease;
    }

    .nav-links.open .nav-link {
        opacity: 1;
        transform: translateX(0);
    }

    /* Stagger mobile menu items */
    .nav-links.open .nav-link:nth-child(1) { transition-delay: 0.1s; }
    .nav-links.open .nav-link:nth-child(2) { transition-delay: 0.15s; }
    .nav-links.open .nav-link:nth-child(3) { transition-delay: 0.2s; }
    .nav-links.open .nav-link:nth-child(4) { transition-delay: 0.25s; }
    .nav-links.open .nav-link:nth-child(5) { transition-delay: 0.3s; }
    .nav-links.open .nav-link:nth-child(6) { transition-delay: 0.35s; }
    .nav-links.open .nav-link:nth-child(7) { transition-delay: 0.4s; }
    .nav-links.open .nav-link:nth-child(8) { transition-delay: 0.45s; }

    .menu-toggle {
        display: flex;
    }

    .nav-cta {
        display: none;
    }
}

@media (max-width: 768px) {
    .lang-switch {
        display: none; /* hidden from top bar on mobile */
    }

    .nav-lang-mobile {
        display: flex !important;
        align-items: center;
        gap: 6px;
        margin-top: 10px;
        padding-top: 16px;
        border-top: 1px solid var(--glass-border);
        width: 100%;
        font-family: var(--font-en);
        font-size: 1rem;
        font-weight: 600;
        letter-spacing: 2px;
    }

    .nav-lang-mobile a {
        color: var(--clr-text-muted);
        transition: color var(--transition-base);
    }

    .nav-lang-mobile a:hover,
    .nav-lang-mobile a.lang-active {
        color: var(--clr-primary-light);
    }

    .nav-lang-mobile .lang-divider {
        color: var(--clr-text-muted);
        opacity: 0.4;
    }
}

/* ---- Mobile overlay ---- */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: calc(var(--z-nav) - 1);
}

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