/* ============================================
   JUPITER PLANET XXL — Header / Navbar
   Neon Cyberpunk (Enhanced)
   ============================================ */

/* ── Navbar ── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(5, 5, 8, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 45, 117, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

/* ── Brand ── */
.navbar__brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    z-index: var(--z-fixed);
}

.navbar__logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient-neon);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: #fff;
    box-shadow: var(--glow-pink-sm);
}

.navbar__logo-text {
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    font-size: var(--fs-lg);
    color: var(--text-primary);
    letter-spacing: var(--ls-wider);
    line-height: 1;
}

.navbar__logo-text span {
    display: block;
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    letter-spacing: var(--ls-widest);
    color: var(--neon-cyan);
    text-shadow: var(--glow-text-cyan);
    margin-top: 2px;
}

/* Glitch Animation on Brand */
.glitch-brand {
    position: relative;
}

@keyframes glitch-brand {
    0%, 90%, 100% { transform: none; opacity: 1; }
    92% { transform: skewX(-2deg); opacity: 0.8; }
    94% { transform: skewX(3deg); opacity: 0.9; }
    96% { transform: skewX(-1deg); opacity: 1; }
}

.navbar__brand:hover .glitch-brand {
    animation: glitch-brand 0.4s ease;
}

/* ── Navigation Menu ── */
.navbar__menu {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.navbar__link {
    position: relative;
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    letter-spacing: var(--ls-wide);
    text-transform: uppercase;
    color: var(--text-muted);
    padding: var(--space-sm) var(--space-md);
    transition: color var(--transition-fast);
    text-decoration: none;
}

.navbar__link i {
    font-size: 0.5rem;
    margin-right: 2px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.navbar__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--neon-pink);
    box-shadow: var(--glow-text-pink);
    transition: width var(--transition-base);
}

.navbar__link:hover,
.navbar__link.active {
    color: var(--text-primary);
}

.navbar__link:hover i,
.navbar__link.active i {
    opacity: 1;
    color: var(--neon-pink);
}

.navbar__link:hover::after,
.navbar__link.active::after {
    width: 60%;
}

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

.navbar__cart {
    position: relative;
    color: var(--text-muted);
    font-size: var(--fs-lg);
    transition: all var(--transition-fast);
    padding: var(--space-sm);
}

.navbar__cart:hover {
    color: var(--neon-cyan);
    text-shadow: var(--glow-text-cyan);
}

.navbar__cart-badge {
    position: absolute;
    top: -2px;
    right: -6px;
    background: var(--neon-pink);
    color: #fff;
    font-size: 0.65rem;
    font-weight: var(--fw-bold);
    min-width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--glow-pink-sm);
    line-height: 1;
}

.navbar__cta {
    padding: 0.6rem 1.4rem;
    font-size: var(--fs-xs);
}

/* ── Hamburger ── */
.navbar__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: var(--z-fixed);
}

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

.navbar__hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
    background: var(--neon-pink);
}
.navbar__hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}
.navbar__hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
    background: var(--neon-cyan);
}

/* ── Mobile Overlay ── */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 5, 8, 0.7);
    backdrop-filter: blur(4px);
    z-index: var(--z-overlay);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.mobile-overlay.active {
    display: block;
    opacity: 1;
}

/* ── Responsive ── */
@media (max-width: 992px) {
    .navbar__hamburger {
        display: flex;
    }

    .navbar__menu {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        height: 100vh;
        flex-direction: column;
        align-items: flex-start;
        padding: calc(var(--header-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
        background: rgba(10, 10, 16, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-left: 1px solid rgba(255, 45, 117, 0.1);
        z-index: var(--z-overlay);
        transition: right var(--transition-base);
        gap: var(--space-xs);
        overflow-y: auto;
    }

    .navbar__menu.open {
        right: 0;
    }

    .navbar__link {
        width: 100%;
        padding: var(--space-md) var(--space-sm);
        font-size: var(--fs-base);
        border-bottom: 1px solid var(--border-subtle);
    }

    .navbar__link i {
        opacity: 1;
        color: var(--neon-pink);
    }

    .navbar__link::after {
        display: none;
    }

    .navbar__cta {
        display: none;
    }
}

@media (max-width: 480px) {
    .navbar__logo-text {
        font-size: var(--fs-base);
    }
}