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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background: #0a0a0a;
            color: #fff;
            overflow-x: hidden;
        }
        .alert-success {
            color: green;
        }
        .gradient-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.15), transparent 50%),
                        radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.15), transparent 50%),
                        radial-gradient(circle at 40% 20%, rgba(168, 85, 247, 0.1), transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 30px 0;
            animation: fadeDown 0.8s ease;
        }

        .logo {
            font-size: 28px;
            font-weight: 700;
            background: linear-gradient(90deg, #a78bfa, #c084fc);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-btn {
            background: transparent;
            border: 2px solid rgba(167, 139, 250, 0.3);
            padding: 12px 28px;
            border-radius: 50px;
            color: #a78bfa;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .nav-btn:hover {
            background: rgba(167, 139, 250, 0.1);
            border-color: #a78bfa;
            transform: translateY(-2px);
        }

        .hero {
            text-align: center;
            padding: 100px 0 80px;
            animation: fadeUp 1s ease;
        }

        .badge-pill {
            display: inline-block;
            background: rgba(167, 139, 250, 0.1);
            border: 1px solid rgba(167, 139, 250, 0.3);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 14px;
            margin-bottom: 30px;
            color: #c084fc;
            font-weight: 600;
            animation: fadeUp 1s ease 0.2s both;
        }

        h1 {
            font-size: 72px;
            font-weight: 800;
            margin-bottom: 24px;
            line-height: 1.1;
            background: linear-gradient(135deg, #fff 0%, #a78bfa 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: fadeUp 1s ease 0.4s both;
        }

        .subtitle {
            font-size: 22px;
            color: #9ca3af;
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
            animation: fadeUp 1s ease 0.6s both;
        }

        .cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            animation: fadeUp 1s ease 0.8s both;
        }

        .cta-btn {
            background: linear-gradient(135deg, #a78bfa 0%, #c084fc 100%);
            color: #fff;
            border: none;
            padding: 18px 48px;
            border-radius: 50px;
            font-size: 18px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 10px 40px rgba(167, 139, 250, 0.3);
        }

        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 20px 60px rgba(167, 139, 250, 0.4);
        }

        .cta-btn.secondary {
            background: transparent;
            border: 2px solid rgba(167, 139, 250, 0.3);
            box-shadow: none;
        }

        .cta-btn.secondary:hover {
            background: rgba(167, 139, 250, 0.1);
            border-color: #a78bfa;
        }

        .showcase-section {
            padding: 80px 0;
            animation: fadeUp 1s ease 1s both;
        }

        .showcase-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .showcase-header h2 {
            font-size: 48px;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 0%, #a78bfa 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .showcase-header p {
            color: #9ca3af;
            font-size: 18px;
        }

        .demo-container {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(167, 139, 250, 0.1);
            border-radius: 24px;
            padding: 50px;
            backdrop-filter: blur(20px);
            max-width: 900px;
            margin: 0 auto;
        }

        .input-demo {
            background: rgba(255, 255, 255, 0.05);
            border: 2px solid rgba(167, 139, 250, 0.2);
            border-radius: 16px;
            padding: 20px 24px;
            font-size: 16px;
            color: #fff;
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .ai-icon {
            width: 24px;
            height: 24px;
            background: linear-gradient(135deg, #a78bfa, #c084fc);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }

        .task-breakdown {
            margin-top: 30px;
        }

        .main-task {
            background: rgba(167, 139, 250, 0.1);
            border: 1px solid rgba(167, 139, 250, 0.3);
            border-radius: 16px;
            padding: 24px;
            margin-bottom: 24px;
            animation: slideIn 0.5s ease 0.3s both;
        }

        .main-task h3 {
            font-size: 20px;
            margin-bottom: 12px;
            color: #fff;
        }

        .main-task p {
            color: #9ca3af;
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .task-meta {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .badge {
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
        }

        .badge.ai {
            background: rgba(167, 139, 250, 0.2);
            color: #c084fc;
            border: 1px solid rgba(167, 139, 250, 0.3);
        }

        .subtasks-label {
            color: #9ca3af;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .subtask {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 12px;
            transition: all 0.3s ease;
            animation: slideIn 0.5s ease both;
        }

        .subtask:nth-child(2) { animation-delay: 0.5s; }
        .subtask:nth-child(3) { animation-delay: 0.6s; }
        .subtask:nth-child(4) { animation-delay: 0.7s; }
        .subtask:nth-child(5) { animation-delay: 0.8s; }

        .subtask:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(167, 139, 250, 0.3);
            transform: translateX(8px);
        }

        .subtask h4 {
            font-size: 16px;
            margin-bottom: 12px;
            color: #fff;
        }

        .subtask-meta {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .badge.high {
            background: rgba(239, 68, 68, 0.2);
            color: #fca5a5;
            border: 1px solid rgba(239, 68, 68, 0.3);
        }

        .badge.medium {
            background: rgba(251, 191, 36, 0.2);
            color: #fcd34d;
            border: 1px solid rgba(251, 191, 36, 0.3);
        }

        .badge.low {
            background: rgba(34, 197, 94, 0.2);
            color: #86efac;
            border: 1px solid rgba(34, 197, 94, 0.3);
        }

        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
            padding: 80px 0;
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(167, 139, 250, 0.1);
            border-radius: 20px;
            padding: 40px;
            transition: all 0.3s ease;
            animation: fadeUp 1s ease both;
        }

        .feature-card:nth-child(1) { animation-delay: 1.2s; }
        .feature-card:nth-child(2) { animation-delay: 1.4s; }
        .feature-card:nth-child(3) { animation-delay: 1.6s; }

        .feature-card:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(167, 139, 250, 0.3);
            transform: translateY(-10px);
        }

        .feature-icon {
            font-size: 48px;
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 24px;
            margin-bottom: 15px;
            color: #fff;
        }

        .feature-card p {
            color: #9ca3af;
            line-height: 1.7;
        }

        footer {
            text-align: center;
            padding: 80px 0 40px;
            color: #6b7280;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

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

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

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateX(-20px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @media (max-width: 768px) {
            h1 { font-size: 48px; }
            .subtitle { font-size: 18px; }
            .demo-container { padding: 30px 20px; }
            .features { grid-template-columns: 1fr; }
            .cta-buttons { flex-direction: column; }
            .showcase-header h2 { font-size: 36px; }
        }