        /* CSS Variables provided by the user */
        :root {
            --primary: #8A2BE2;
            --primary-dark: #6A0DAD;
            --secondary: #1E90FF;
            --bg-light: #ffffff;
            --bg-dark: #000000;
            --text-light: #333;
            --text-dark: #e2e8f0;
            --nav-light: #ffffff;
            --nav-dark: #000000;
        }

        /* Basic styling from the user */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            transition: all 0.3s ease;
        }

        body {
            font-family: 'Inter', 'Segoe UI', sans-serif;
            background: var(--bg-light);
            color: var(--text-light);
            overflow-y: auto; max-height: 200px;
        }

        body.dark-mode {
            background: var(--bg-dark);
            color: var(--text-dark);
        }

        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            width: 100%;
            background: var(--nav-light);
            padding: 15px 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        body.dark-mode .navbar {
            background: var(--nav-dark);
            box-shadow: 0 2px 10px rgba(255,255,255,0.1);
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            gap: 25px;
            list-style: none;
            transition: transform 0.3s ease-in-out;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-light);
            font-weight: 500;
            transition: color 0.3s ease;
            padding: 10px 15px;
            display: block;
        }

        body.dark-mode .nav-links a {
            color: var(--text-dark);
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        /* Hamburger Menu */
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            padding: 5px;
        }

        .bar {
            width: 25px;
            height: 3px;
            background: var(--primary);
            margin: 3px 0;
            transition: 0.3s;
            border-radius: 2px;
        }

        body.dark-mode .bar {
            background: var(--text-dark);
        }

        /* Hamburger Animation */
        .hamburger.active .bar:nth-child(1) {
            transform: rotate(-45deg) translate(-5px, 6px);
        }

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

        .hamburger.active .bar:nth-child(3) {
            transform: rotate(45deg) translate(-5px, -6px);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .navbar {
                padding: 15px 20px;
            }
            
            .hamburger {
                display: flex;
                order: 2;
                z-index: 1001;
            }
            
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 70%;
                height: 80vh;
                background: var(--nav-light);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 40px;
                transition: right 0.3s ease-in-out;
                box-shadow: -5px 0 15px rgba(0,0,0,0.1);
                /* New: Add a solid black overlay for dark mode */
                
            }
            
            body.dark-mode .nav-links {
                background: var(--nav-dark);
                box-shadow: -5px 0 15px rgba(255,255,255,0.1);
            }
            
            .nav-links.active {
                right: 0;
            }
            
            .nav-actions {
                order: 3;
            }
            
            .nav-logo {
                order: 1;
            }
        }

        /* Overlay for mobile menu in dark mode */
        body.dark-mode .nav-links.active::before {
            content: '';
            position: fixed;
            top: 0;
            width: 70vw;
            height: 80vh;
            background: rgba(0, 0, 0, 0.8);
            z-index: -1;
            backdrop-filter: blur(3px);
            -webkit-backdrop-filter: blur(5px);
            transition: opacity 0.4s ease;
        }
        
        @media (max-width: 480px) {
            .nav-links {
                width: 80%;
            }
            
            .nav-links a {
                font-size: 1.1rem;
                padding: 15px 20px;
            }
        }

        .theme-toggle {
            background: var(--primary);
            color: white;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
        }

        /* Hero Banner */
        .hero-banner {
            height: 60vh;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
            padding: 0px 20px 20px;
            margin-top: 70px;
        }

        .hero-content h1 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            font-weight: 700;
            animation: bounce 2s infinite;
        }

        .hero-content p {
            font-size: 1.1rem;
            margin-bottom: 25px;
            opacity: 0.9;
        }

        .btn-hero {
            background: #f8f6f3;
            color: #6A0DAD;
            padding: 15px 35px;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .btn-hero:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        /* New dynamic and responsive styles */
        .features-section {
            padding: 60px 10px;
            background: linear-gradient(to bottom, var(--bg-light), var(--bg-light) 50%, rgba(240, 240, 240, 0.5) 100%);
            text-align: center;
        }

        body.dark-mode .features-section {
            background: linear-gradient(to bottom, var(--bg-dark), var(--bg-dark) 50%, rgba(20, 20, 20, 0.5) 100%);
        }

        .features-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-title {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 30px;
            position: relative;
            display: inline-block;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }

        .features-grid {
            display: grid;
            grid-template-columns: 1fr; /* Mobile: 1 column */
            gap: 40px;
            justify-content: center;
            margin: 0 auto;
            max-width: 900px; /* New: Wider max-width for landscape */
        }

        /* Two columns on tablets and desktops */
        @media (min-width: 640px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        .feature-card {
            background: rgba(255, 255, 255, 0.2); /* Glass effect background */
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
            backdrop-filter: blur(10px); /* Glass effect */
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            position: relative;
            overflow: hidden;
            transition: transform 0.4s ease-out, box-shadow 0.4s ease-out;
            color: var(--text-light);
        }
        
        body.dark-mode .feature-card {
            background: rgba(17, 17, 17, 0.2);
            box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-dark);
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: conic-gradient(from 0deg, transparent 0%, rgba(138, 43, 226, 0.1) 10%, rgba(30, 144, 255, 0.1) 20%, transparent 30%);
            animation: rotate 8s linear infinite;
            z-index: 0;
            opacity: 0;
            transition: opacity 0.5s ease;
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        @keyframes rotate {
            to {
                transform: rotate(360deg);
            }
        }

        .feature-card:hover {
            transform: translateY(-10px) scale(1.05);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
            border-color: var(--primary);
        }
        
        body.dark-mode .feature-card:hover {
            border-color: var(--secondary);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6);
        }

        .feature-card:hover .feature-icon {
            transform: scale(1.1) rotate(10deg);
            color: var(--primary);
        }
        
        body.dark-mode .feature-card:hover .feature-icon {
            color: var(--secondary);
        }

        .feature-card .feature-content {
            position: relative;
            z-index: 1;
        }

        .feature-icon {
            font-size: 3rem;
            margin-bottom: 20px;
            color: var(--primary-dark);
            transition: transform 0.4s ease-out, color 0.4s ease-out;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
        }

        .feature-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 1rem;
            opacity: 0.8;
            line-height: 1.5;
        }

        /* Responsive adjustments */
        @media (max-width: 768px) {
            .features-section {
                padding: 60px 15px;
            }
            .section-title {
                font-size: 2.5rem;
                margin-bottom: 40px;
            }
        }

        /* demo section */
        .video-section {
            height: 100vh;
            width: 100%;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
            text-align: center;
            background: var(--bg-light);
            color: var(--text-dark);
            position: relative;
            padding: 40px 20px;
            overflow: hidden;
        }
        
        body.dark-mode .video-section {
            background: #1a1a1a;
        }

        .video-container {
            position: relative;
            z-index: 2;
            width: 100%;
            height: 100vh;
            margin: 0 auto;
            border-radius: 10px;
            box-shadow: 0 15px 50px rgba(0, 0, 0, 0.5);
            background: #0d0d0d;
            padding: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-direction: column;
        }

        body.dark-mode .video-container {
            background: #0d0d0d;
        }

        /* Terminal header with buttons */
        .terminal-header {
            display: flex;
            align-items: center;
            padding-bottom: 10px;
            margin-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            flex-shrink: 0;
        }
        
        .terminal-buttons {
            display: flex;
            gap: 8px;
        }
        
        .terminal-button {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }
        
        .terminal-button.red { background-color: #ff5f56; }
        .terminal-button.yellow { background-color: #ffbd2e; }
        .terminal-button.green { background-color: #27c93f; }
        
        .terminal-title {
            color: #b0b0b0;
            font-size: 0.9rem;
            flex-grow: 1;
            text-align: center;
        }

        .video-responsive {
            position: relative;
            flex-grow: 1;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .video-responsive video {
            max-width: 100%;
            max-height: 100%;
            border-radius: 5px;
            object-fit: contain;
        }

        .video-section .section-title {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 30px;
            color: var(--primary-dark);
            text-shadow: none;
            position: relative;
            z-index: 2;
        }
        
        body.dark-mode .video-section .section-title {
            color: var(--text-dark);
            background: none;
            text-shadow: none;
        }
        
        /* Responsive adjustments */
        @media (max-width: 768px) {
            .video-section .section-title {
                font-size: 2rem;
            }
        }


        /* Final CTA */
        .final-cta {
            height: 20vh;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
        }

        .final-cta h2 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        /* Footer */
        footer {
            background: var(--primary);
            color: white;
            padding: 30px 20px;
            text-align: center;
        }

        /* Animations */
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateY(0);
            }
            40% {
                transform: translateY(-20px);
            }
            60% {
                transform: translateY(-10px);
            }
        }

        @keyframes glow {
            0% {
                box-shadow: 0 0 8px rgba(138, 43, 226, 0.3);
            }
            100% {
                box-shadow: 0 0 15px rgba(138, 43, 226, 0.6);
            }
        }

        /* Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.7);
            /* backdrop-filter: blur(5px); */
            z-index: 2000;
        }

        .modal-content {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: white;
            padding: 40px;
            border-radius: 20px;
            text-align: center;
            box-shadow: 0 25px 50px rgba(0,0,0,0.3);
            width: 90%;
            max-width: 500px;
        }

        body.dark-mode .modal-content {
            background: #111;
            border: 1px solid #333;
        }

        .close-modal {
            position: absolute;
            top: 15px;
            right: 15px;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-light);
        }

        body.dark-mode .close-modal {
            color: var(--text-dark);
        }

        .download-options {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin: 25px 0;
        }

        .os-btn {
            padding: 12px 15px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: transform 0.3s ease;
            font-size: 0.9rem;
        }

        .os-btn:hover {
            transform: scale(1.05);
        }

        .thank-you {
            display: none;
            margin-top: 20px;
            padding: 20px;
            background: var(--primary);
            color: white;
            border-radius: 10px;
        }

        /* Responsive */
        @media (max-width: 968px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
            
            .hero-content h1 {
                font-size: 2rem;
            }
            
            .nav-links {
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .navbar {
                padding: 15px 20px;
                flex-wrap: wrap;
            }
            
            .nav-links {
                gap: 15px;
                font-size: 0.9rem;
            }
            
            .hero-banner {
                height: 50vh;
                padding: 60px 20px 20px;
            }
            
            .features-section {
                min-height: 80vh;
                padding: 40px 20px;
            }
            
            .feature-card {
                flex-direction: column;
                text-align: center;
                padding: 20px;
            }
            
            .download-options {
                grid-template-columns: 1fr;
            }
            
            .modal-content {
                width: 95%;
                padding: 30px 20px;
            }
        }

        @media (max-width: 480px) {
            .hero-content h1 {
                font-size: 1.8rem;
            }
            
            .btn-hero {
                padding: 12px 25px;
                font-size: 0.9rem;
            }
            
            .feature-icon {
                font-size: 1.5rem;
                padding: 12px;
            }
            
            .section-title {
                font-size: 1.5rem;
                margin-bottom: 30px;
            }
            
            .nav-links {
                gap: 10px;
                font-size: 0.8rem;
            }
        }


                #download {
            display: flex;
            justify-content: center;
            align-items: center;
            text-align: center;
            height: 50vh;
            padding: 15px;
            background: #fff;
            color: #333;
            position: relative;
            overflow: hidden;
            transition: background 0.5s, color 0.5s;
        }
        
        /* Styling for the content container inside the section */
        #download > div {
            position: relative;
            z-index: 1;
            max-width: 750px;
            padding: 45px;
            border-radius: 20px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: all 0.5s ease-in-out;
        }

        /* Styling for the main heading */
        #download h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 25px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);
            letter-spacing: 1px;
            color: #333;
            transition: color 0.5s;
        }

        /* Styling for the download button */
        #download button {
            background: #8A2BE2;
            color: #fff;
            padding: 18px 45px;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        /* Hover effect for the button */
        #download button:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
        }

        /* Dark mode styling */
        body.dark-mode #download {
            background: #1a1a1a;
            color: #e2e8f0;
        }

        body.dark-mode #download h2 {
            color: #e2e8f0;
        }
