/* ==========================================================================
   Navigation Component
   ========================================================================== */

/* Main Navigation */
.cyber-nav {
    background: rgba(var(--cyber-dark), 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--cyber-border);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

/* Nav Link */
.cyber-nav-link {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.cyber-nav-link:hover {
    color: var(--cyber-blue);
}

.cyber-nav-link.active {
    color: var(--cyber-blue);
}

.cyber-nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--cyber-blue);
    box-shadow: 0 0 10px rgba(var(--cyber-blue-rgb), 0.5);
}

/* Mobile Nav Toggle */
.cyber-nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--cyber-border);
    color: var(--text-secondary);
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.cyber-nav-toggle:hover {
    border-color: var(--cyber-blue);
    color: var(--cyber-blue);
}

/* Mobile Menu */
.cyber-nav-mobile {
    display: none;
    background: var(--gradient-card);
    border-top: 1px solid var(--cyber-border);
}

.cyber-nav-mobile.open {
    display: block;
}

/* Logo */
.cyber-logo {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.cyber-logo:hover {
    color: var(--cyber-blue);
}

/* Social Links in Nav */
.cyber-social-link {
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.cyber-social-link:hover {
    color: var(--cyber-blue);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .cyber-nav-toggle {
        display: block;
    }

    .cyber-nav-links {
        display: none;
    }

    .cyber-nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--gradient-card);
        border-top: 1px solid var(--cyber-border);
        padding: var(--spacing-md);
    }
}

/* ==========================================================================
   Mobile Menu Animations
   ========================================================================== */

/* Mobile menu button hover effect */
.mobile-menu-btn {
    position: relative;
}

.mobile-menu-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 0.375rem;
    opacity: 0;
    background: linear-gradient(135deg, rgba(79, 195, 247, 0.1) 0%, rgba(126, 87, 194, 0.1) 100%);
    transition: opacity 0.2s ease;
}

.mobile-menu-btn:hover::before {
    opacity: 1;
}

/* Mobile menu slide-down animation */
.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, opacity 0.2s ease-out;
    opacity: 0;
}

.mobile-menu:not(.hidden) {
    max-height: 500px;
    opacity: 1;
}

.mobile-menu.mobile-menu-open {
    animation: slideDown 0.3s ease-out forwards;
}

@keyframes slideDown {
    from {
        max-height: 0;
        opacity: 0;
    }
    to {
        max-height: 500px;
        opacity: 1;
    }
}

/* Mobile menu links - staggered fade-in */
.mobile-menu a {
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.mobile-menu.mobile-menu-open a {
    opacity: 1;
    transform: translateX(0);
}

.mobile-menu.mobile-menu-open a:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu.mobile-menu-open a:nth-child(2) { transition-delay: 0.1s; }
.mobile-menu.mobile-menu-open a:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu.mobile-menu-open a:nth-child(4) { transition-delay: 0.2s; }
.mobile-menu.mobile-menu-open a:nth-child(5) { transition-delay: 0.25s; }
.mobile-menu.mobile-menu-open a:nth-child(6) { transition-delay: 0.3s; }

.mobile-menu.mobile-menu-open div:last-child {
    opacity: 0;
    transform: translateY(10px);
    animation: fadeInUp 0.3s ease-out 0.35s forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hamburger to X animation */
.mobile-menu-btn svg {
    transition: transform 0.2s ease;
}

.mobile-menu-btn:hover svg {
    transform: scale(1.1);
}

/* Glow effect on mobile menu border */
.mobile-menu > div {
    position: relative;
}

.mobile-menu > div::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(79, 195, 247, 0.5), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu.mobile-menu-open > div::before {
    opacity: 1;
}