/* ===========================================
   MODERN 2025 MENU STYLES
   =========================================== */

/* Advanced CSS Custom Properties for Menu */
:root {
    /* Modern 2025 Color Palette */
    --menu-bg: rgba(255, 255, 255, 0.95);
    --menu-bg-dark: rgba(15, 23, 42, 0.95);
    --menu-accent: #3b82f6;
    --menu-accent-hover: #2563eb;
    --menu-text: #1e293b;
    --menu-text-secondary: #64748b;
    --menu-text-light: #f1f5f9;
    --menu-border: rgba(148, 163, 184, 0.2);
    --menu-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --menu-shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.3);
    
    /* Modern Typography */
    --menu-font-primary: 'Inter', system-ui, -apple-system, sans-serif;
    --menu-font-weight-normal: 400;
    --menu-font-weight-medium: 500;
    --menu-font-weight-semibold: 600;
    --menu-font-weight-bold: 700;
    
    /* Advanced Transitions */
    --menu-transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --menu-transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --menu-transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --menu-transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Modern Spacing */
    --menu-spacing-xs: 0.25rem;
    --menu-spacing-sm: 0.5rem;
    --menu-spacing-md: 1rem;
    --menu-spacing-lg: 1.5rem;
    --menu-spacing-xl: 2rem;
    --menu-spacing-2xl: 3rem;
    
    /* Border Radius */
    --menu-radius-sm: 0.375rem;
    --menu-radius-md: 0.5rem;
    --menu-radius-lg: 0.75rem;
    --menu-radius-xl: 1rem;
    --menu-radius-full: 9999px;
}

/* Enhanced Navbar with Modern Glassmorphism */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--menu-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--menu-border);
    box-shadow: var(--menu-shadow);
    z-index: 99998;
    transition: all var(--menu-transition-normal);
    will-change: transform, background-color;
}

/* Scrolled State */
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(25px) saturate(200%);
    -webkit-backdrop-filter: blur(25px) saturate(200%);
    border-bottom-color: rgba(148, 163, 184, 0.3);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

/* Modern Nav Container */
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--menu-spacing-md) var(--menu-spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

/* Premium Logo Design */
.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--menu-spacing-sm);
    font-family: var(--menu-font-primary);
    font-size: 1.375rem;
    font-weight: var(--menu-font-weight-bold);
    color: var(--menu-accent);
    text-decoration: none;
    transition: all var(--menu-transition-normal);
    position: relative;
    z-index: 99999;
}

.nav-logo:hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

.nav-logo-img {
    height: 42px;
    width: auto;
    object-fit: contain;
    border-radius: var(--menu-radius-sm);
    transition: all var(--menu-transition-normal);
}

.nav-logo:hover .nav-logo-img {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 8px rgba(59, 130, 246, 0.3));
}

/* Modern Menu Container */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--menu-spacing-xs);
    list-style: none;
    margin: 0;
    padding: 0;
    transition: all var(--menu-transition-normal);
}

/* Premium Navigation Links */
.nav-link {
    display: flex;
    align-items: center;
    padding: var(--menu-spacing-sm) var(--menu-spacing-md);
    font-family: var(--menu-font-primary);
    font-size: 0.925rem;
    font-weight: var(--menu-font-weight-medium);
    color: var(--menu-text);
    text-decoration: none;
    border-radius: var(--menu-radius-lg);
    position: relative;
    transition: all var(--menu-transition-normal);
    overflow: hidden;
    white-space: nowrap;
}

/* Modern Hover Effects */
.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left var(--menu-transition-slow);
}

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

.nav-link:hover {
    color: var(--menu-accent);
    background: rgba(59, 130, 246, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

/* Modern Active State */
.nav-link.active {
    color: var(--menu-accent);
    background: rgba(59, 130, 246, 0.12);
    font-weight: var(--menu-font-weight-semibold);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25);
}

/* Premium CTA Button */
.nav-cta {
    display: flex;
    align-items: center;
    gap: var(--menu-spacing-sm);
    padding: var(--menu-spacing-sm) var(--menu-spacing-lg);
    margin-left: var(--menu-spacing-md);
    font-family: var(--menu-font-primary);
    font-size: 0.925rem;
    font-weight: var(--menu-font-weight-semibold);
    color: white;
    background: linear-gradient(135deg, var(--menu-accent), var(--menu-accent-hover));
    border: none;
    border-radius: var(--menu-radius-full);
    cursor: pointer;
    transition: all var(--menu-transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.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 var(--menu-transition-slow);
}

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

.nav-cta:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
    background: linear-gradient(135deg, var(--menu-accent-hover), #1d4ed8);
}

.nav-cta:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.nav-cta i {
    font-size: 1rem;
    transition: all var(--menu-transition-normal);
}

.nav-cta:hover i {
    transform: rotate(5deg) scale(1.1);
}

/* Simple Hamburger Menu */
.hamburger {
    display: none !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    width: 44px !important;
    height: 44px !important;
    background: transparent !important;
    border: none !important;
    cursor: pointer !important;
    padding: 0.5rem !important;
    border-radius: 4px !important;
    transition: all 0.2s ease !important;
    position: relative !important;
    z-index: 100000 !important;
}

.hamburger:hover {
    background: rgba(0, 0, 0, 0.05);
}

.hamburger:active {
    transform: scale(0.95);
}

/* Clean Hamburger Lines */
.hamburger .bar {
    width: 20px;
    height: 2px;
    background: #374151;
    margin: 2px 0;
    transition: all 0.2s ease;
    border-radius: 1px;
    transform-origin: center;
}

/* Simple Hamburger Animation */
.hamburger.active .bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
    background: #374151;
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    background: #374151;
}

/* Mobile Menu - Clean & Professional */
@media (max-width: 768px) {
    .hamburger {
        display: flex !important;
    }
    
    .nav-menu {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        background: rgba(255, 255, 255, 0.98) !important;
        backdrop-filter: blur(8px) !important;
        -webkit-backdrop-filter: blur(8px) !important;
        border: none !important;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1) !important;
        flex-direction: column !important;
        align-items: stretch !important;
        justify-content: flex-start !important;
        gap: 0 !important;
        padding: 80px 0 2rem !important;
        z-index: 99999 !important;
        overflow-y: auto !important;
        min-height: 100vh !important;
        
        /* Smooth slide animation */
        transform: translateX(100%) !important;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        opacity: 0 !important;
        visibility: hidden !important;
    }
    
    .nav-menu.active {
        transform: translateX(0) !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .nav-link {
        padding: 1rem 2rem !important;
        font-size: 1rem !important;
        font-weight: 400 !important;
        color: #374151 !important;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05) !important;
        border-radius: 0 !important;
        display: block !important;
        width: 100% !important;
        min-height: 48px !important;
        line-height: 1.5 !important;
        
        /* Default closed state */
        transform: translateX(50px) !important;
        opacity: 0 !important;
        transition: transform 0.25s ease, opacity 0.25s ease, background-color 0.2s ease !important;
    }
    
    /* Closing animation - faster reverse */
    .nav-menu:not(.active) .nav-link {
        transform: translateX(100px) !important;
        opacity: 0 !important;
        transition: transform 0.2s ease, opacity 0.2s ease !important;
    }
    
    .nav-menu:not(.active) .nav-link:nth-child(1) {
        transition-delay: 0.35s !important;
    }
    
    .nav-menu:not(.active) .nav-link:nth-child(2) {
        transition-delay: 0.3s !important;
    }
    
    .nav-menu:not(.active) .nav-link:nth-child(3) {
        transition-delay: 0.25s !important;
    }
    
    .nav-menu:not(.active) .nav-link:nth-child(4) {
        transition-delay: 0.2s !important;
    }
    
    .nav-menu:not(.active) .nav-link:nth-child(5) {
        transition-delay: 0.15s !important;
    }
    
    .nav-menu:not(.active) .nav-link:nth-child(6) {
        transition-delay: 0.1s !important;
    }
    
    .nav-menu:not(.active) .nav-link:nth-child(7) {
        transition-delay: 0.05s !important;
    }
    
    .nav-menu:not(.active) .nav-link:nth-child(8) {
        transition-delay: 0s !important;
    }
    
    .nav-menu.active .nav-link {
        transform: translateX(0) !important;
        opacity: 1 !important;
    }
    
    .nav-menu.active .nav-link:nth-child(1) {
        transition-delay: 0.1s !important;
    }
    
    .nav-menu.active .nav-link:nth-child(2) {
        transition-delay: 0.15s !important;
    }
    
    .nav-menu.active .nav-link:nth-child(3) {
        transition-delay: 0.2s !important;
    }
    
    .nav-menu.active .nav-link:nth-child(4) {
        transition-delay: 0.25s !important;
    }
    
    .nav-menu.active .nav-link:nth-child(5) {
        transition-delay: 0.3s !important;
    }
    
    .nav-menu.active .nav-link:nth-child(6) {
        transition-delay: 0.35s !important;
    }
    
    .nav-menu.active .nav-link:nth-child(7) {
        transition-delay: 0.4s !important;
    }
    
    .nav-menu.active .nav-link:nth-child(8) {
        transition-delay: 0.45s !important;
    }
    
    .nav-link:last-of-type {
        border-bottom: none;
    }
    
    .nav-link:hover {
        background: rgba(0, 0, 0, 0.03) !important;
        color: #1f2937 !important;
        transform: none !important;
        box-shadow: none !important;
    }
    
    .nav-cta {
        margin: 1.5rem 2rem 0 2rem !important;
        justify-content: center !important;
        padding: 0.75rem 1.5rem !important;
        font-size: 1rem !important;
        font-weight: 500 !important;
        min-height: 44px !important;
        display: flex !important;
        align-items: center !important;
        gap: 0.5rem !important;
        border-radius: 8px !important;
        
        /* Default closed state */
        transform: translateY(30px) !important;
        opacity: 0 !important;
        transition: transform 0.25s ease, opacity 0.25s ease !important;
    }
    
    /* Closing animation for CTA button */
    .nav-menu:not(.active) .nav-cta {
        transform: translateY(50px) !important;
        opacity: 0 !important;
        transition: transform 0.2s ease, opacity 0.2s ease !important;
        transition-delay: 0.4s !important;
    }
    
    .nav-menu.active .nav-cta {
        transform: translateY(0) !important;
        opacity: 1 !important;
        transition-delay: 0.5s !important;
    }
}

/* Tablet Styles */
@media (min-width: 769px) and (max-width: 1024px) {
    .nav-container {
        padding: var(--menu-spacing-md) var(--menu-spacing-md);
    }
    
    .nav-menu {
        gap: var(--menu-spacing-xs);
    }
    
    .nav-link {
        padding: var(--menu-spacing-sm) var(--menu-spacing-md);
        font-size: 0.875rem;
    }
    
    .nav-cta {
        padding: var(--menu-spacing-sm) var(--menu-spacing-md);
        font-size: 0.875rem;
        margin-left: var(--menu-spacing-sm);
    }
}

/* Large Desktop Enhancements */
@media (min-width: 1200px) {
    .nav-container {
        padding: var(--menu-spacing-lg) var(--menu-spacing-xl);
    }
    
    .nav-menu {
        gap: var(--menu-spacing-sm);
    }
    
    .nav-link {
        padding: var(--menu-spacing-md) var(--menu-spacing-lg);
        font-size: 1rem;
    }
    
    .nav-cta {
        padding: var(--menu-spacing-md) var(--menu-spacing-xl);
        font-size: 1rem;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .navbar {
        background: var(--menu-bg-dark);
        border-bottom-color: rgba(148, 163, 184, 0.1);
        box-shadow: var(--menu-shadow-dark);
    }
    
    .navbar.scrolled {
        background: rgba(15, 23, 42, 0.98);
        border-bottom-color: rgba(148, 163, 184, 0.2);
    }
    
    .nav-link {
        color: var(--menu-text-light);
    }
    
    .nav-link:hover {
        background: rgba(59, 130, 246, 0.15);
    }
    
    .hamburger .bar {
        background: var(--menu-text-light);
    }
    
    @media (max-width: 768px) {
        .nav-menu {
            background: var(--menu-bg-dark);
            border-top-color: rgba(148, 163, 184, 0.1);
        }
        
        .nav-link {
            border-bottom-color: rgba(148, 163, 184, 0.1);
        }
        
        .nav-link:hover {
            background: rgba(59, 130, 246, 0.1);
        }
    }
}

/* High Performance & Accessibility */
@media (prefers-reduced-motion: reduce) {
    .navbar,
    .nav-link,
    .nav-cta,
    .hamburger,
    .hamburger .bar,
    .nav-menu {
        transition: none !important;
        animation: none !important;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .nav-link:hover {
        transform: none;
        box-shadow: none;
    }
    
    .nav-cta:hover {
        transform: none;
        box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    }
    
    .nav-link:active {
        background: rgba(59, 130, 246, 0.1);
        transform: scale(0.98);
    }
    
    .hamburger {
        min-height: 48px;
        min-width: 48px;
    }
    
    .nav-link {
        min-height: 48px;
        display: flex;
        align-items: center;
    }
}

/* Focus States for Accessibility */
.nav-link:focus-visible,
.nav-cta:focus-visible,
.hamburger:focus-visible {
    outline: 2px solid var(--menu-accent);
    outline-offset: 2px;
    background: rgba(59, 130, 246, 0.1);
}

/* Skip Link for Screen Readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--menu-accent);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--menu-radius-sm);
    z-index: 100001;
    transition: all var(--menu-transition-normal);
}

.skip-link:focus {
    top: 6px;
}

/* Loading Animation */
@keyframes menuLoadIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.navbar {
    animation: menuLoadIn var(--menu-transition-slow) ease-out;
}

/* Modern Scrollbar for Mobile Menu */
@media (max-width: 768px) {
    .nav-menu::-webkit-scrollbar {
        width: 4px;
    }
    
    .nav-menu::-webkit-scrollbar-track {
        background: transparent;
    }
    
    .nav-menu::-webkit-scrollbar-thumb {
        background: var(--menu-accent);
        border-radius: var(--menu-radius-full);
    }
}

/* Performance Optimizations */
.navbar,
.nav-menu,
.nav-link,
.nav-cta,
.hamburger {
    contain: layout style;
}

.nav-link::before,
.nav-cta::before {
    will-change: left;
}

.nav-link:hover,
.nav-cta:hover {
    will-change: transform;
}

/* Prevent body scroll when mobile menu is open */
body.menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}

/* Mobile Menu Active State */
@media (max-width: 768px) {
    .nav-menu.active .nav-link {
        padding: 1rem 2rem !important;
        font-size: 1rem !important;
        font-weight: 400 !important;
        color: #374151 !important;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05) !important;
        border-radius: 0 !important;
        margin: 0 !important;
        display: block !important;
        width: 100% !important;
        min-height: 48px !important;
        line-height: 1.5 !important;
    }
    
    .nav-menu.active .nav-link:last-of-type {
        border-bottom: none;
    }
    
    .nav-menu.active .nav-cta {
        margin: 1.5rem 2rem 0 2rem !important;
        padding: 0.75rem 1.5rem !important;
        font-size: 1rem !important;
        font-weight: 500 !important;
        border-radius: 8px !important;
        min-height: 44px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 0.5rem !important;
    }
}