/* Base font for navigation */
        #main-nav, #main-nav * {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            -webkit-font-smoothing: antialiased;
        }
        
        /* Navigation Base Styles */
        #main-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            z-index: 1000;
            background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
            box-shadow: 0 1px 0 rgba(0,0,0,0.05), 0 4px 20px rgba(0,0,0,0.03);
            transition: all 0.3s ease;
            border-bottom: 1px solid rgba(0,0,0,0.04);
            will-change: transform, background-color;
            transform: translateZ(0); /* Force GPU acceleration */
        }
        [data-theme="dark"] #main-nav {
            background: linear-gradient(180deg, #1a1f2e 0%, #151922 100%);
            box-shadow: 0 1px 0 rgba(255,255,255,0.03), 0 4px 20px rgba(0,0,0,0.4);
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        
        /* Nav Container */
        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        
        /* Logo Styles */
        .logo-container {
            flex-shrink: 0;
            display: flex;
            align-items: center;
        }
        .logo-container a {
            display: block;
            line-height: 0;
            transition: opacity 0.2s ease;
        }
        .logo-container a:hover {
            opacity: 0.85;
        }
        .logo-container img {
            height: auto;
            max-height: 46px;
            width: auto;
            max-width: 180px;
            object-fit: contain;
            transition: all 0.3s ease;
        }
        @media (max-width: 768px) {
            .logo-container img {
                max-height: 40px;
                max-width: 150px;
            }
        }
        @media (max-width: 480px) {
            .logo-container img {
                max-height: 35px;
                max-width: 120px;
            }
        }
        .logo-light { display: block; }
        .logo-dark { display: none; }
        [data-theme="dark"] .logo-light { display: none !important; }
        [data-theme="dark"] .logo-dark { display: block !important; }
        
        /* Desktop Menu */
        .desktop-menu {
            display: none;
            flex: 1;
            justify-content: center;
            align-items: center;
            margin: 0 40px;
        }
        @media (min-width: 992px) {
            .desktop-menu {
                display: flex;
            }
        }
        .desktop-menu ul {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            align-items: center;
        }
        .desktop-menu li {
            position: relative;
        }
        
        /* Menu Items - Refined styling */
        .desktop-menu > ul > li > a,
        .desktop-menu > ul > li > button {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            color: #3d4852;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.01em;
            border-radius: 8px;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            background: transparent;
            border: none;
            cursor: pointer;
            font-family: inherit;
            position: relative;
            white-space: nowrap;
        }
        
        /* Underline indicator for hover */
        .desktop-menu > ul > li > a::after,
        .desktop-menu > ul > li > button::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 24px;
            height: 2px;
            background: linear-gradient(90deg, #0D8F84, #10b981);
            border-radius: 2px;
            transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        [data-theme="dark"] .desktop-menu > ul > li > a,
        [data-theme="dark"] .desktop-menu > ul > li > button {
            color: #e2e8f0;
        }
        
        .desktop-menu > ul > li > a:hover,
        .desktop-menu > ul > li > button:hover {
            background: rgba(13, 143, 132, 0.06);
            color: #0D8F84;
            will-change: background-color, transform;
        }
        
        .desktop-menu > ul > li > a:hover::after,
        .desktop-menu > ul > li > button:hover::after,
        .desktop-menu > ul > li.active > a::after,
        .desktop-menu > ul > li.active > button::after {
            transform: translateX(-50%) scaleX(1);
        }
        
        [data-theme="dark"] .desktop-menu > ul > li > a:hover,
        [data-theme="dark"] .desktop-menu > ul > li > button:hover {
            background: rgba(16, 185, 129, 0.1);
            color: #34d399;
        }
        
        [data-theme="dark"] .desktop-menu > ul > li > a::after,
        [data-theme="dark"] .desktop-menu > ul > li > button::after {
            background: linear-gradient(90deg, #34d399, #10b981);
        }
        
        /* Dropdown arrow for buttons */
        .desktop-menu > ul > li.dropdown > button {
            padding-right: 28px;
        }
        .desktop-menu > ul > li.dropdown > button::before {
            content: '';
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            border-left: 4px solid transparent;
            border-right: 4px solid transparent;
            border-top: 5px solid currentColor;
            opacity: 0.5;
            transition: transform 0.2s ease, opacity 0.2s ease;
        }
        
        .desktop-menu > ul > li.dropdown.active > button::before {
            transform: translateY(-50%) rotate(180deg);
            opacity: 0.8;
        }
        
        /* Dropdown Menu - Elevated card design */
        .desktop-menu .dropdown-menu {
            position: absolute;
            top: calc(100% + 4px);
            left: 50%;
            transform: translateX(-50%) translateY(-8px);
            margin-top: 8px;
            background: #ffffff;
            border-radius: 14px;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05),
                        0 10px 15px -3px rgba(0,0,0,0.08),
                        0 20px 25px -5px rgba(0,0,0,0.05),
                        0 0 0 1px rgba(0,0,0,0.03);
            min-width: 240px;
            opacity: 0;
            visibility: hidden;
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            list-style: none;
            padding: 10px;
            z-index: 1001;
        }
        
        /* Dropdown arrow pointer */
        .desktop-menu .dropdown-menu::before {
            content: '';
            position: absolute;
            top: -6px;
            left: 50%;
            transform: translateX(-50%);
            border-left: 8px solid transparent;
            border-right: 8px solid transparent;
            border-bottom: 6px solid #ffffff;
            filter: drop-shadow(0 -1px 1px rgba(0,0,0,0.03));
        }
        
        [data-theme="dark"] .desktop-menu .dropdown-menu {
            background: #1e293b;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.2),
                        0 10px 15px -3px rgba(0,0,0,0.3),
                        0 20px 25px -5px rgba(0,0,0,0.2),
                        0 0 0 1px rgba(255,255,255,0.05);
        }
        
        [data-theme="dark"] .desktop-menu .dropdown-menu::before {
            border-bottom-color: #1e293b;
        }
        
        .desktop-menu .dropdown.active .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }
        
        .desktop-menu .dropdown-menu li {
            margin: 0;
        }
        
        .desktop-menu .dropdown-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            color: #475569;
            text-decoration: none;
            font-size: 14px;
            font-weight: 450;
            border-radius: 10px;
            transition: all 0.15s ease;
            position: relative;
        }
        
        /* Subtle left border indicator on hover */
        .desktop-menu .dropdown-menu a::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 0;
            background: linear-gradient(180deg, #0D8F84, #10b981);
            border-radius: 2px;
            transition: height 0.2s ease;
        }
        
        [data-theme="dark"] .desktop-menu .dropdown-menu a {
            color: #cbd5e1;
        }
        
        .desktop-menu .dropdown-menu a:hover {
            background: linear-gradient(90deg, rgba(13, 143, 132, 0.08), rgba(13, 143, 132, 0.03));
            color: #0D8F84;
            padding-left: 20px;
        }
        
        .desktop-menu .dropdown-menu a:hover::before {
            height: 20px;
        }
        
        [data-theme="dark"] .desktop-menu .dropdown-menu a:hover {
            background: linear-gradient(90deg, rgba(52, 211, 153, 0.12), rgba(52, 211, 153, 0.04));
            color: #34d399;
        }
        
        [data-theme="dark"] .desktop-menu .dropdown-menu a::before {
            background: linear-gradient(180deg, #34d399, #10b981);
        }
        
        /* Right Side Controls */
        .nav-controls {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        
        /* Theme Toggle - Premium pill design */
        #theme-toggle {
            position: relative;
            width: 52px;
            height: 28px;
            background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
            border-radius: 999px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            padding: 0;
            flex-shrink: 0;
            box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
            will-change: transform, background-color;
            transform: translateZ(0); /* Force GPU acceleration */
        }
        
        #theme-toggle:hover {
            background: linear-gradient(135deg, #cbd5e1 0%, #94a3b8 100%);
        }
        
        [data-theme="dark"] #theme-toggle {
            background: linear-gradient(135deg, #334155 0%, #1e293b 100%);
        }
        
        [data-theme="dark"] #theme-toggle:hover {
            background: linear-gradient(135deg, #475569 0%, #334155 100%);
        }
        
        @media (max-width: 768px) {
            #theme-toggle {
                width: 48px;
                height: 24px;
            }
        }
        @media (max-width: 480px) {
            #theme-toggle {
                width: 44px;
                height: 22px;
            }
        }
        
        #toggle-dot {
            position: absolute;
            top: 3px;
            left: 3px;
            width: 22px;
            height: 22px;
            background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
            border-radius: 999px;
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 1px 3px rgba(0,0,0,0.15), 0 2px 6px rgba(0,0,0,0.1);
            will-change: transform;
            transform: translateZ(0); /* Force GPU acceleration */
        }
        
        @media (max-width: 768px) {
            #toggle-dot {
                width: 18px;
                height: 18px;
            }
        }
        @media (max-width: 480px) {
            #toggle-dot {
                width: 16px;
                height: 16px;
            }
        }
        
        [data-theme="dark"] #toggle-dot {
            transform: translateX(24px);
            background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
        }
        
        @media (max-width: 768px) {
            [data-theme="dark"] #toggle-dot {
                transform: translateX(24px);
            }
        }
        @media (max-width: 480px) {
            [data-theme="dark"] #toggle-dot {
                transform: translateX(22px);
            }
        }
        
        /* Mobile Menu Button */
        #mobile-menu-button {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0;
            border-radius: 8px;
            transition: background 0.2s ease;
        }
        @media (min-width: 992px) {
            #mobile-menu-button {
                display: none;
            }
        }
        #mobile-menu-button:hover {
            background: rgba(0,0,0,0.05);
        }
        [data-theme="dark"] #mobile-menu-button:hover {
            background: rgba(255,255,255,0.1);
        }
        .hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            width: 24px;
        }
        .hamburger-line {
            width: 100%;
            height: 2.5px;
            background: #333;
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        [data-theme="dark"] .hamburger-line {
            background: #e0e0e0;
        }
        #mobile-menu-button.active .hamburger-line:nth-child(1) {
            transform: rotate(45deg) translate(7px, 7px);
        }
        #mobile-menu-button.active .hamburger-line:nth-child(2) {
            opacity: 0;
        }
        #mobile-menu-button.active .hamburger-line:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -7px);
        }
        
        /* Mobile Menu */
        #mobile-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #ffffff;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            max-height: calc(100vh - 70px);
            overflow-y: auto;
            z-index: 999;
        }
        [data-theme="dark"] #mobile-menu {
            background: #1a1a1a;
            box-shadow: 0 4px 12px rgba(0,0,0,0.3);
        }
        #mobile-menu:not(.hidden) {
            display: block;
        }
        .mobile-menu-content {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        #mobile-menu a,
        #mobile-menu button {
            display: block;
            padding: 14px 16px;
            color: #333;
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
            border-radius: 8px;
            transition: all 0.2s ease;
            background: transparent;
            border: none;
            text-align: left;
            width: 100%;
            cursor: pointer;
            font-family: inherit;
        }
        [data-theme="dark"] #mobile-menu a,
        [data-theme="dark"] #mobile-menu button {
            color: #e0e0e0;
        }
        #mobile-menu a:hover,
        #mobile-menu button:hover {
            background: rgba(13, 143, 132, 0.1);
            color: #0D8F84;
        }
        [data-theme="dark"] #mobile-menu a:hover,
        [data-theme="dark"] #mobile-menu button:hover {
            background: rgba(52, 211, 153, 0.15);
            color: #34d399;
        }
        .mobile-submenu {
            display: none;
            flex-direction: column;
            padding-left: 20px;
            gap: 2px;
            margin-top: 4px;
        }
        .mobile-submenu:not(.hidden) {
            display: flex;
        }
        .mobile-submenu a {
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 400;
        }