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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: linear-gradient(135deg, #0F1419 0%, #1A1D23 50%, #0F1419 100%);
            color: #E6EDF3;
            overflow-x: hidden;
            line-height: 1.6;
        }

        /* Particles Background */
        #particles-js {
            position: fixed;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: -1;
        }

        /* Navigation */
        .navbar {
            backdrop-filter: blur(20px);
            background: rgba(15, 20, 25, 0.8);
            border-bottom: 1px solid rgba(56, 139, 253, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 2rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

        .logo h1 {
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, #00D4FF, #7C3AED);
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #00D4FF, #7C3AED);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
        }

        .logo small {
            color: #9CA3AF;
            font-size: 0.75rem;
            display: block;
            margin-top: 2px;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            color: #E6EDF3;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            position: relative;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-links a:hover {
            color: #00D4FF;
            background: rgba(0, 212, 255, 0.1);
        }

        .nav-links a::before {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #00D4FF, #7C3AED);
            transition: width 0.3s ease;
        }

        .nav-links a:hover::before {
            width: 100%;
        }

        /* Main Container */
        .main-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 100px 2rem 2rem;
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2rem;
            min-height: 100vh;
        }

        /* Hero Section */
        .hero-section {
            background: rgba(15, 20, 25, 0.6);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(56, 139, 253, 0.1);
            border-radius: 16px;
            padding: 3rem;
            margin-bottom: 2rem;
            position: relative;
            overflow: hidden;
            grid-column: 1 / -1;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, #00D4FF, transparent);
            animation: shimmer 3s ease-in-out infinite;
        }

        @keyframes shimmer {
            0% { opacity: 0; transform: translateX(-100%); }
            50% { opacity: 1; transform: translateX(0%); }
            100% { opacity: 0; transform: translateX(100%); }
        }

        .hero-content h2 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #E6EDF3, #00D4FF);
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }

        .hero-content p {
            font-size: 1.1rem;
            color: #9CA3AF;
            margin-bottom: 2rem;
            max-width: 800px;
        }

        /* Video Section */
        .video-section {
            background: rgba(15, 20, 25, 0.6);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(56, 139, 253, 0.1);
            border-radius: 12px;
            padding: 2rem;
            margin-bottom: 2rem;
        }

        .video-container {
            position: relative;
            padding-bottom: 56.25%; /* 16:9 aspect ratio */
            height: 0;
            overflow: hidden;
            border-radius: 8px;
            margin-bottom: 1.5rem;
        }

        .video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }

        .video-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .video-category {
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            background: rgba(124, 58, 237, 0.2);
            color: #7C3AED;
            text-transform: uppercase;
        }

        .video-date {
            font-size: 0.9rem;
            color: #9CA3AF;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        /* Content Section */
        .content-section {
            background: rgba(15, 20, 25, 0.6);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(56, 139, 253, 0.1);
            border-radius: 12px;
            padding: 2rem;
            margin-bottom: 2rem;
        }

        .section-header {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
        }

        .section-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #00D4FF, #7C3AED);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
        }

        .section-title {
            font-size: 1.5rem;
            font-weight: 600;
            color: #E6EDF3;
        }

        .content-description {
            color: #9CA3AF;
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        /* Author Section */
        .author-section {
            background: rgba(15, 20, 25, 0.6);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(56, 139, 253, 0.1);
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 2rem;
        }

        .author-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .author-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, #00D4FF, #7C3AED);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            overflow: hidden;
        }

        .author-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .author-info {
            flex: 1;
        }

        .author-name {
            font-size: 1.2rem;
            font-weight: 600;
            color: #E6EDF3;
            margin-bottom: 0.25rem;
        }

        .author-name a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .author-name a:hover {
            color: #00D4FF;
        }

        .author-rank {
            font-size: 0.85rem;
            color: #7FDBFF;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .author-rank i {
            color: #F59E0B;
        }

        .author-bio {
            color: #9CA3AF;
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }

        .author-skills {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
        }

        .author-skill {
            padding: 0.25rem 0.75rem;
            border-radius: 4px;
            font-size: 0.8rem;
            background: rgba(10, 20, 30, 0.8);
            border: 1px solid rgba(56, 139, 253, 0.1);
            color: #9CA3AF;
        }

        .author-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .author-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #7FDBFF;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s ease;
        }

        .author-link:hover {
            color: #00D4FF;
        }

        .author-link i {
            font-size: 1.1rem;
        }

        /* Related Section */
        .related-section {
            background: rgba(15, 20, 25, 0.6);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(56, 139, 253, 0.1);
            border-radius: 12px;
            padding: 2rem;
            margin-bottom: 2rem;
        }

        .related-grid {
            display: grid;
            gap: 1.5rem;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        }

        .related-card {
            background: rgba(10, 20, 30, 0.8);
            border: 1px solid rgba(56, 139, 253, 0.1);
            border-radius: 8px;
            padding: 1.5rem;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .related-card:hover {
            border-color: rgba(0, 212, 255, 0.3);
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 212, 255, 0.1);
        }

        .related-title {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #E6EDF3;
        }

        .related-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.8rem;
            color: #9CA3AF;
        }

        /* Sidebar */
        .sidebar {
            position: sticky;
            top: 120px;
            height: fit-content;
        }

        .sidebar-card {
            background: rgba(15, 20, 25, 0.6);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(56, 139, 253, 0.1);
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 2rem;
            position: relative;
            overflow: hidden;
        }

        .sidebar-card::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: linear-gradient(45deg, #00D4FF, #7C3AED, #00D4FF);
            border-radius: 12px;
            z-index: -1;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .sidebar-card:hover::before {
            opacity: 0.3;
        }

        .card-header {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
        }

        .card-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #00D4FF, #7C3AED);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1rem;
        }

        .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: #E6EDF3;
        }

        /* Footer */
        .footer {
            text-align: center;
            padding: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(56, 139, 253, 0.1);
            color: #9CA3AF;
            grid-column: 1 / -1;
        }

        /* Mobile Navigation */
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
            padding: 10px;
            z-index: 1001;
            transition: all 0.3s ease;
        }

        .hamburger .line {
            width: 25px;
            height: 2px;
            background: #E6EDF3;
            transition: all 0.3s ease;
            border-radius: 2px;
        }

        .hamburger.active .line:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

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

        .hamburger.active .line:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mobile Menu Overlay */
        .mobile-menu-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(5px);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .mobile-menu-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
                gap: 1rem;
                padding: 100px 1rem 2rem;
            }

            .sidebar {
                position: static;
                margin-top: 2rem;
            }

            .hero-content h2 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 70px;
                right: -100%;
                width: 80%;
                max-width: 300px;
                height: calc(100vh - 70px);
                background: rgba(15, 20, 25, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                justify-content: flex-start;
                align-items: flex-start;
                padding: 1rem;
                transition: right 0.3s ease;
                z-index: 1000;
                overflow-y: auto;
                box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
            }

            .nav-links.active {
                right: 0;
            }

            .nav-links li {
                margin: 0.5rem 0;
                width: 100%;
            }

            .nav-links a {
                display: flex;
                align-items: center;
                width: 100%;
                padding: 1rem;
                border: 1px solid rgba(56, 139, 253, 0.1);
                border-radius: 8px;
                font-size: 1rem;
                gap: 0.75rem;
            }

            .nav-links a i {
                width: 20px;
                text-align: center;
            }

            .hero-section {
                padding: 2rem;
            }

            .video-container {
                margin-bottom: 1rem;
            }

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

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .content-card {
            animation: fadeInUp 0.6s ease-out forwards;
        }

        /* Error Message */
        .error-message {
            background: rgba(239, 68, 68, 0.2);
            border: 1px solid rgba(239, 68, 68, 0.3);
            border-radius: 8px;
            padding: 1.5rem;
            text-align: center;
            margin: 2rem 0;
        }

        .error-message i {
            font-size: 2rem;
            color: #EF4444;
            margin-bottom: 1rem;
        }

        .error-message h3 {
            font-size: 1.2rem;
            color: #E6EDF3;
            margin-bottom: 0.5rem;
        }

        .error-message p {
            color: #9CA3AF;
            margin-bottom: 1rem;
        }

        .error-message button {
            background: rgba(239, 68, 68, 0.3);
            color: #E6EDF3;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .error-message button:hover {
            background: rgba(239, 68, 68, 0.4);
        }