* {
            font-family: 'Inter', sans-serif;
        }
        
        :root {
            --primary-cyan: #00E5FF;
            --primary-turquoise: #00BCD4;
            --dark-bg: #0A0A0A;
            --dark-secondary: #1A1A1A;
            --gray-elegant: #6B7280;
            --gradient-primary: linear-gradient(135deg, #00E5FF 0%, #00BCD4 100%);
            --gradient-dark: linear-gradient(135deg, #0A0A0A 0%, #1A1A1A 100%);
        }
        
        body {
            background: var(--dark-bg);
            color: #ffffff;
            overflow-x: hidden;
        }
        
        .gradient-text {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .gradient-bg {
            background: var(--gradient-primary);
        }
        
        .dark-gradient {
            background: var(--gradient-dark);
        }
        
        .glass-effect {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .slide-in {
            animation: slideIn 0.8s ease-out;
        }
        
        .fade-in {
            animation: fadeIn 1s ease-out;
        }
        
        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .hover-scale {
            transition: transform 0.3s ease;
        }
        
        .hover-scale:hover {
            transform: scale(1.05);
        }
        
        .btn-primary {
            background: var(--gradient-primary);
            color: #0A0A0A;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: 8px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(0, 229, 255, 0.3);
        }
        
        .btn-secondary {
            background: transparent;
            color: var(--primary-cyan);
            border: 2px solid var(--primary-cyan);
            font-weight: 500;
            padding: 10px 22px;
            border-radius: 8px;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        .btn-secondary:hover {
            background: var(--primary-cyan);
            color: #0A0A0A;
        }
        
        .nav-link {
            color: #ffffff;
            text-decoration: none;
            padding: 8px 16px;
            border-radius: 6px;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .nav-link:hover, .nav-link.active {
            color: var(--primary-cyan);
            background: rgba(0, 229, 255, 0.1);
        }
        
        .slider-container {
            height: 600px;
            overflow: hidden;
            position: relative;
        }
        
        .slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 1s ease-in-out;
            background-size: cover;
            background-position: center;
        }
        
        .slide.active {
            opacity: 1;
        }
        
        .slide-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.3) 0%, rgba(10, 10, 10, 0.7) 100%);
        }
        
        .filter-btn {
            background: transparent;
            border: 1px solid var(--gray-elegant);
            color: var(--gray-elegant);
            padding: 8px 16px;
            border-radius: 20px;
            transition: all 0.3s ease;
            cursor: pointer;
            margin: 4px;
        }
        
        .filter-btn.active, .filter-btn:hover {
            background: var(--gradient-primary);
            color: #0A0A0A;
            border-color: transparent;
        }
        
        .product-card {
            background: rgba(26, 26, 26, 0.8);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 229, 255, 0.2);
        }
        
        .form-input {
            background: rgba(26, 26, 26, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #ffffff;
            padding: 12px 16px;
            border-radius: 8px;
            width: 100%;
            transition: all 0.3s ease;
        }
        
        .form-input:focus {
            outline: none;
            border-color: var(--primary-cyan);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.1);
        }
        
        .form-input::placeholder {
            color: var(--gray-elegant);
        }
        
        .section {
            display: none;
            min-height: 100vh;
            padding: 80px 0 40px;
        }
        
        .section.active {
            display: block;
        }
        
        .admin-panel {
            display: none;
            min-height: 100vh;
            padding: 80px 0 40px;
        }
        
        .admin-panel.active {
            display: block;
        }
        
        .mobile-menu {
            display: none;
        }
        
        /* Mobile Menu Improvements */
        #mobile-dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            z-index: 40;
            transition: all 0.3s ease;
            transform: translateY(-10px);
            opacity: 0;
            visibility: hidden;
        }
        
        #mobile-dropdown:not(.hidden) {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        
        /* Mobile Menu Overlay */
        .mobile-menu-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 30;
            display: none;
        }
        
        .mobile-menu-overlay.active {
            display: block;
        }
        
        @media (max-width: 768px) {
            .desktop-menu {
                display: none;
            }
            
            .mobile-menu {
                display: block;
            }
            
            .slider-container {
                height: 400px;
            }
            
            .section {
                padding: 60px 0 20px;
            }
            
            #mobile-dropdown {
                margin: 8px;
                border-radius: 8px;
                right: 8px;
                left: 8px;
            }
        }
        
        .notification {
            position: fixed;
            top: 20px;
            right: 20px;
            background: var(--gradient-primary);
            color: #0A0A0A;
            padding: 12px 20px;
            border-radius: 8px;
            font-weight: 600;
            z-index: 1000;
            transform: translateX(400px);
            transition: transform 0.3s ease;
        }
        
        .notification.show {
            transform: translateX(0);
        }
        
        .social-links a {
            color: var(--gray-elegant);
            font-size: 20px;
            margin: 0 10px;
            transition: color 0.3s ease;
        }
        
        .social-links a:hover {
            color: var(--primary-cyan);
        }