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

        body {
            font-family: -apple-system, BlinkMacSystemFont, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            padding: 1rem;
        }

        .container {
            text-align: center;
            max-width: 90vw;
            width: 100%;
            max-width: 600px;
            animation: fadeIn 1.5s ease-out;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .logo {
            font-size: clamp(2rem, 5vw, 3rem);
            font-weight: 800;
            margin-bottom: 0.5rem;
            text-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
        }

        .subtitle {
            font-size: clamp(1rem, 3vw, 1.2rem);
            opacity: 0.9;
            margin-bottom: 3rem;
            font-weight: 300;
        }

        .icon {
            font-size: clamp(3rem, 8vw, 5rem);
            margin-bottom: 2rem;
            animation: bounce 2s infinite;
        }

        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        h1 {
            font-size: clamp(2rem, 6vw, 3.5rem);
            font-weight: 700;
            margin-bottom: 1rem;
            line-height: 1.2;
        }

        .description {
            font-size: clamp(1rem, 2.5vw, 1.2rem);
            opacity: 0.9;
            margin-bottom: 3rem;
            line-height: 1.6;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
            gap: 1.5rem;
            margin-bottom: 3rem;
        }

        .feature {
            background: rgba(255, 255, 255, 0.1);
            padding: 1.5rem;
            border-radius: 15px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: transform 0.3s ease;
        }

        .feature:hover {
            transform: translateY(-5px);
        }

        .feature-icon {
            font-size: 2rem;
            margin-bottom: 1rem;
        }

        .feature h3 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

        .feature p {
            font-size: 0.9rem;
            opacity: 0.8;
        }

        .progress {
            margin: 2rem 0;
        }

        .progress-text {
            font-size: 0.9rem;
            opacity: 0.8;
            margin-bottom: 1rem;
        }

        .progress-bar {
            width: 100%;
            height: 4px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 2px;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #ff6b6b, #ee5a24);
            width: 75%;
            animation: progress 2s ease-out;
            border-radius: 2px;
        }

        @keyframes progress {
            from { width: 0%; }
            to { width: 75%; }
        }

        .buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            margin-bottom: 3rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.2);
            color: white;
            padding: 1rem 1.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            min-width: 160px;
        }

        .btn:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        .contact {
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 0.9rem;
            opacity: 0.9;
        }

        .contact p {
            margin: 0.5rem 0;
        }

        /* Mobile Optimizations */
        @media (max-width: 768px) {
            body {
                padding: 0.5rem;
            }
            
            .features {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            
            .feature {
                padding: 1rem;
            }
            
            .buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }
        }

        @media (max-width: 480px) {
            .container {
                max-width: 95vw;
            }
            
            .subtitle {
                margin-bottom: 2rem;
            }
            
            .description {
                margin-bottom: 2rem;
            }
        }