:root {
            --primary-color: #ff0055;
            --secondary-color: #00ff88;
            --background-color: #121212;
            --text-color: #ffffff;
            --card-color: #1e1e1e;
            --gradient-primary: linear-gradient(135deg, #ff0055, #ff3377);
            --gradient-secondary: linear-gradient(135deg, #00ff88, #44ffaa);
            --shadow-glow: 0 0 20px rgba(255, 0, 85, 0.3);
            --shadow-glow-secondary: 0 0 20px rgba(0, 255, 136, 0.3);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: var(--background-color);
            color: var(--text-color);
            overflow-x: hidden;
            position: relative;
        }

        /* Animated background */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 20% 20%, rgba(255, 0, 85, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 60%, rgba(255, 0, 85, 0.05) 0%, transparent 50%);
            animation: backgroundPulse 8s ease-in-out infinite;
            z-index: -1;
        }

        @keyframes backgroundPulse {
            0%, 100% { opacity: 0.5; }
            50% { opacity: 1; }
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem;
        }

        .header {
            text-align: center;
            margin-bottom: 4rem;
            position: relative;
        }

        .header::before {
            content: '';
            position: absolute;
            top: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: var(--gradient-primary);
            border-radius: 2px;
            animation: headerGlow 2s ease-in-out infinite alternate;
        }

        @keyframes headerGlow {
            0% { box-shadow: 0 0 5px var(--primary-color); }
            100% { box-shadow: 0 0 20px var(--primary-color); }
        }

        .main-title {
            font-size: 3.5rem;
            font-weight: 900;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1rem;
            animation: titleSlide 1s ease-out;
        }

        @keyframes titleSlide {
            0% { 
                opacity: 0; 
                transform: translateY(-30px); 
            }
            100% { 
                opacity: 1; 
                transform: translateY(0); 
            }
        }

        .subtitle {
            font-size: 1.3rem;
            opacity: 0.8;
            margin-bottom: 2rem;
            animation: subtitleFade 1s ease-out 0.3s both;
        }

        @keyframes subtitleFade {
            0% { opacity: 0; }
            100% { opacity: 0.8; }
        }

        .progress-bar {
            width: 100%;
            height: 6px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 3px;
            overflow: hidden;
            margin-bottom: 3rem;
        }

        .progress-fill {
            height: 100%;
            background: var(--gradient-secondary);
            width: 0%;
            transition: width 0.5s ease;
            position: relative;
        }

        .progress-fill::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            animation: progressShimmer 2s infinite;
        }

        @keyframes progressShimmer {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }

        .curriculum-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-bottom: 4rem;
        }

        .module-card {
            background: var(--card-color);
            border-radius: 16px;
            padding: 2rem;
            position: relative;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            cursor: pointer;
            border: 2px solid transparent;
            animation: cardEntry 0.8s ease-out both;
        }

        .module-card:nth-child(even) {
            animation-delay: 0.1s;
        }

        .module-card:nth-child(3n) {
            animation-delay: 0.2s;
        }

        @keyframes cardEntry {
            0% {
                opacity: 0;
                transform: translateY(30px) scale(0.9);
            }
            100% {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        .module-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: -1;
        }

        .module-card:hover::before {
            opacity: 0.1;
        }

        .module-card:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: var(--shadow-glow);
            border-color: var(--primary-color);
        }

        .module-card.completed {
            border-color: var(--secondary-color);
            background: linear-gradient(135deg, var(--card-color), rgba(0, 255, 136, 0.1));
        }

        .module-card.completed::after {
            content: '✓';
            position: absolute;
            top: 1rem;
            right: 1rem;
            width: 30px;
            height: 30px;
            background: var(--secondary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: var(--background-color);
            animation: checkmarkPop 0.5s ease-out;
        }

        @keyframes checkmarkPop {
            0% { transform: scale(0); }
            50% { transform: scale(1.2); }
            100% { transform: scale(1); }
        }

        .module-number {
            font-size: 2.5rem;
            font-weight: 900;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.5rem;
            animation: numberGlow 3s ease-in-out infinite;
        }

        @keyframes numberGlow {
            0%, 100% { filter: brightness(1); }
            50% { filter: brightness(1.3); }
        }

        .module-title {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 1rem;
            position: relative;
        }

        .module-title::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-secondary);
            transition: width 0.3s ease;
        }

        .module-card:hover .module-title::after {
            width: 100%;
        }

        .module-topics {
            list-style: none;
            margin-bottom: 1rem;
        }

        .module-topics li {
            padding: 0.3rem 0;
            position: relative;
            padding-left: 20px;
            opacity: 0.8;
            transition: all 0.3s ease;
        }

        .module-topics li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: var(--primary-color);
            font-weight: bold;
            transition: transform 0.3s ease;
        }

        .module-topics a {
            color: var(--text-color);
            text-decoration: none;
            transition: all 0.3s ease;
            display: block;
            padding: 0.2rem 0;
            border-radius: 4px;
        }

        .module-topics a:hover {
            color: var(--secondary-color);
            background: rgba(0, 255, 136, 0.1);
            padding-left: 0.5rem;
        }

        .module-card:hover .module-topics li::before {
            transform: translateX(5px);
        }

        .module-card:hover .module-topics li {
            opacity: 1;
            transform: translateX(5px);
        }

        .module-duration {
            font-size: 0.9rem;
            color: var(--secondary-color);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .module-duration::before {
            content: '⏱';
            animation: clockTick 1s ease-in-out infinite;
        }

        @keyframes clockTick {
            0%, 100% { transform: rotate(0deg); }
            50% { transform: rotate(10deg); }
        }

        .stats-section {
            background: var(--card-color);
            border-radius: 20px;
            padding: 2rem;
            margin-bottom: 3rem;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-primary);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
        }

        .stat-item {
            text-align: center;
            animation: statPulse 4s ease-in-out infinite;
        }

        .stat-item:nth-child(2) { animation-delay: 0.5s; }
        .stat-item:nth-child(3) { animation-delay: 1s; }
        .stat-item:nth-child(4) { animation-delay: 1.5s; }

        @keyframes statPulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            background: var(--gradient-secondary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.5rem;
            counter-reset: number;
            animation: countUp 2s ease-out;
        }

        @keyframes countUp {
            0% { opacity: 0; transform: translateY(20px); }
            100% { opacity: 1; transform: translateY(0); }
        }

        .stat-label {
            font-size: 0.9rem;
            opacity: 0.7;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .floating-elements {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: -1;
        }

        .floating-element {
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--primary-color);
            border-radius: 50%;
            animation: float 15s linear infinite;
        }

        .floating-element:nth-child(2n) {
            background: var(--secondary-color);
            animation-duration: 20s;
        }

        .floating-element:nth-child(3n) {
            width: 2px;
            height: 2px;
            animation-duration: 25s;
        }

        @keyframes float {
            0% {
                transform: translateY(100vh) rotate(0deg);
                opacity: 0;
            }
            10% {
                opacity: 1;
            }
            90% {
                opacity: 1;
            }
            100% {
                transform: translateY(-100vh) rotate(360deg);
                opacity: 0;
            }
        }

        .cta-section {
            text-align: center;
            margin-top: 4rem;
        }

        .cta-button {
            display: inline-block;
            padding: 1rem 2rem;
            background: var(--gradient-primary);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 700;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .cta-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.5s ease;
        }

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

        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .container {
                padding: 1rem;
            }

            .main-title {
                font-size: 2.5rem;
            }

            .curriculum-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .module-card {
                padding: 1.5rem;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .main-title {
                font-size: 2rem;
            }

            .module-number {
                font-size: 2rem;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Styles for article pages */
        .content {
            background: var(--card-color);
            border-radius: 16px;
            padding: 2rem;
            margin-top: 2rem;
            line-height: 1.6;
        }

        .content h2 {
            font-size: 1.8rem;
            margin-top: 1.5rem;
            margin-bottom: 1rem;
            color: var(--primary-color);
        }

        .content p {
            margin-bottom: 1rem;
        }

        .content ul {
            list-style: none;
            margin-left: 1.5rem;
            margin-bottom: 1rem;
        }

        .content ul li {
            position: relative;
            padding-left: 1.5rem;
            margin-bottom: 0.5rem;
        }

        .content ul li::before {
            content: '•';
            position: absolute;
            left: 0;
            color: var(--secondary-color);
            font-weight: bold;
        }

        .footer {
            display: flex;
            justify-content: space-between;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .back-button, .next-button {
            display: inline-block;
            padding: 0.8rem 1.5rem;
            background: var(--card-color);
            color: var(--text-color);
            text-decoration: none;
            border-radius: 8px;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .back-button:hover, .next-button:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .next-button {
            background: var(--gradient-secondary);
            border-color: var(--secondary-color);
        }

        .next-button:hover {
            background: var(--gradient-primary);
            box-shadow: var(--shadow-glow-secondary);
        }

        /* Responsive adjustments for article pages */
        @media (max-width: 768px) {
            .content {
                padding: 1.5rem;
            }

            .content h2 {
                font-size: 1.5rem;
            }

            .footer {
                flex-direction: column;
                gap: 1rem;
            }

            .back-button, .next-button {
                width: 100%;
                text-align: center;
            }
        }