/* ============================================================
   Nashat International — Navbar Styles
   Sticky transparent navbar with glass blur effect
   ============================================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    z-index: var(--z-navbar);
    transition: all var(--transition-slow);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(246, 246, 246, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: var(--gold-border);
    box-shadow: var(--shadow-sm);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* ── Logo ──────────────────────────────────────────────────── */
.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    z-index: 10;
}

.navbar-logo img {
    height: 38px;
    width: auto;
    transition: transform var(--transition-base);
}

.navbar-logo:hover img {
    transform: scale(1.03);
}

/* ── Menu ──────────────────────────────────────────────────── */
.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.navbar-link {
    position: relative;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    letter-spacing: var(--tracking-wide);
}

.navbar-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gold);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

.navbar-link:hover {
    color: var(--text-primary);
}

.navbar-link:hover::after,
.navbar-link.active::after {
    width: 20px;
}

.navbar-link.active {
    color: var(--gold);
}

/* ── CTA Button ────────────────────────────────────────────── */
.navbar-cta {
    margin-left: var(--space-4);
}

.navbar-cta .btn {
    padding: var(--space-2) var(--space-6);
    font-size: var(--text-xs);
}

/* ── Mobile Toggle ─────────────────────────────────────────── */
.navbar-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 10;
    padding: 4px;
}

.navbar-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    transform-origin: center;
}

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

.navbar-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(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: 85%;
        max-width: 380px;
        height: 100vh;
        background: var(--bg-white);
        flex-direction: column;
        align-items: flex-start;
        padding: calc(var(--navbar-height) + var(--space-8)) var(--space-8) var(--space-8);
        gap: var(--space-2);
        transition: right var(--transition-slow);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
        overflow-y: auto;
    }

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

    .navbar-link {
        font-size: var(--text-base);
        padding: var(--space-3) var(--space-4);
        width: 100%;
        border-radius: var(--radius-md);
    }

    .navbar-link:hover {
        background: var(--gold-glow);
    }

    .navbar-link::after {
        display: none;
    }

    .navbar-cta {
        margin-left: 0;
        margin-top: var(--space-4);
        width: 100%;
    }

    .navbar-cta .btn {
        width: 100%;
        justify-content: center;
        padding: var(--space-3) var(--space-6);
        font-size: var(--text-sm);
    }

    /* Mobile menu overlay */
    .navbar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.3);
        z-index: calc(var(--z-navbar) - 1);
    }

    .navbar-overlay.active {
        display: block;
    }
}

/* ── Spacer (push content below fixed navbar) ──────────────── */
.navbar-spacer {
    height: var(--navbar-height);
}