* {
            font-family: 'Inter', sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #0a0e27 0%, #1a1d35 50%, #0a0e27 100%);
            background-attachment: fixed;
        }
        
        /* Glasmorphism Effect */
        .glass {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .glass-strong {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        
        /* Neon Glow Effects */
        .neon-yellow {
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.4),
                        0 0 40px rgba(255, 215, 0, 0.2);
        }
        
        .neon-text {
            text-shadow: 0 0 10px rgba(255, 215, 0, 0.5),
                         0 0 20px rgba(255, 215, 0, 0.3);
        }
        
        /* CTA Button Animation */
        .cta-button {
            position: relative;
            background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
            color: #000;
            font-weight: 800;
            padding: 1rem 3rem;
            border-radius: 50px;
            font-size: 1.25rem;
            box-shadow: 0 0 30px rgba(255, 215, 0, 0.6),
                        0 10px 25px rgba(0, 0, 0, 0.3);
            transition: all 0.3s ease;
            overflow: hidden;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .cta-button::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
        }
        
        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 40px rgba(255, 215, 0, 0.8),
                        0 15px 35px rgba(0, 0, 0, 0.4);
        }
        
        .cta-button:hover::before {
            width: 300px;
            height: 300px;
        }
        
        .cta-button:active {
            transform: translateY(-1px);
        }
        
        .cta-pulse {
            animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
        }
        
        @keyframes pulse {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.8;
            }
        }
        
        /* Custom Scrollbar */
        ::-webkit-scrollbar {
            width: 10px;
        }
        
        ::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.05);
        }
        
        ::-webkit-scrollbar-thumb {
            background: linear-gradient(180deg, #FFD700 0%, #FFA500 100%);
            border-radius: 10px;
        }
        
        /* Animated Background Shapes */
        .bg-shapes {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: 0;
            pointer-events: none;
        }
        
        .shape {
            position: absolute;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            animation: float 20s infinite ease-in-out;
        }
        
        .shape:nth-child(1) {
            width: 300px;
            height: 300px;
            top: 10%;
            left: 10%;
            animation-delay: 0s;
        }
        
        .shape:nth-child(2) {
            width: 200px;
            height: 200px;
            top: 50%;
            right: 10%;
            animation-delay: 5s;
        }
        
        .shape:nth-child(3) {
            width: 250px;
            height: 250px;
            bottom: 10%;
            left: 30%;
            animation-delay: 10s;
        }
        
        @keyframes float {
            0%, 100% { transform: translate(0, 0) scale(1); }
            33% { transform: translate(50px, -50px) scale(1.1); }
            66% { transform: translate(-50px, 50px) scale(0.9); }
        }
        
        /* Mobile Sticky Button */
        .mobile-cta {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%) translateY(100px);
            z-index: 1000;
            opacity: 0;
            transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        }
        
        .mobile-cta.visible {
            transform: translateX(-50%) translateY(0);
            opacity: 1;
        }
        
        /* Table of Contents */
        .toc-container {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease-in-out;
        }
        
        .toc-container.expanded {
            max-height: 1000px;
        }
        
        .toc-toggle {
            transition: transform 0.3s ease;
        }
        
        .toc-toggle.rotated {
            transform: rotate(180deg);
        }
        
        /* Table Styling */
        table {
            border-collapse: separate;
            border-spacing: 0;
        }
        
        table th {
            background: rgba(255, 215, 0, 0.15);
        }
        
        table tr:hover {
            background: rgba(255, 215, 0, 0.05);
        }
        
        /* Smooth Scroll */
        html {
            scroll-behavior: smooth;
        }
        
        /* Navigation Dropdown */
        .nav-dropdown {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        
        .nav-item:hover .nav-dropdown {
            max-height: 300px;
        }
        
        /* Highlight boxes */
        .highlight-box {
            position: relative;
            overflow: hidden;
        }
        
        .highlight-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.1), transparent);
            transition: left 0.5s;
        }
        
        .highlight-box:hover::before {
            left: 100%;
        }
        
        /* Bonus Badge */
        .bonus-badge {
            position: absolute;
            top: -10px;
            right: -10px;
            background: linear-gradient(135deg, #ff4444 0%, #ff0000 100%);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            box-shadow: 0 4px 15px rgba(255, 0, 0, 0.4);
            animation: wiggle 1s ease-in-out infinite;
        }
        
        @keyframes wiggle {
            0%, 100% { transform: rotate(-3deg); }
            50% { transform: rotate(3deg); }
        }