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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: linear-gradient(135deg, #1E3A8A 0%, #06B6D4 100%);
            background-attachment: fixed;
            color: white;
            line-height: 1.6;
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            padding: 1rem 2rem;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            transition: all 0.3s ease;
        }

        nav.hidden {
            transform: translateY(-100%);
        }

        .nav-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .nav-logo {
            font-size: 24px;
            font-weight: 700;
            color: #1E3A8A;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo-text {
            font-weight: 800;
        }

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

        .nav-links a {
            color: #333;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .nav-links a:hover {
            color: #06B6D4;
        }

        /* Main Container */
        .container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 100px 20px 40px;
        }

        .card {
            background: transparent;
            border-radius: 0;
            box-shadow: none;
            padding: 60px 20px;
            margin-bottom: 40px;
        }

        /* Hero Section */
        .hero {
            text-align: center;
            padding: 40px 0 60px;
        }

        .logo {
            font-size: 120px;
            font-weight: 800;
            font-style: italic;
            color: white;
            margin-bottom: 20px;
            transform: skewX(-8deg);
        }

        h1 {
            font-size: 48px;
            color: white;
            margin-bottom: 10px;
            font-weight: 800;
        }

        .tagline {
            font-size: 24px;
            color: white;
            margin-bottom: 30px;
            opacity: 0.95;
        }

        .intro {
            font-size: 18px;
            color: white;
            max-width: 600px;
            margin: 0 auto 40px;
            opacity: 0.9;
        }

        .download-section {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
            margin: 40px 0;
        }

        .download-button {
            display: inline-block;
            transition: transform 0.2s ease, opacity 0.2s ease;
        }

        .download-button:hover {
            transform: translateY(-2px);
            opacity: 0.9;
        }

        .download-button img {
            height: 60px;
            width: auto;
        }

        .coming-soon {
            font-size: 16px;
            color: white;
            opacity: 0.9;
            font-weight: 500;
        }

        /* Section Headers */
        .section {
            padding: 40px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
        }

        .section:first-child {
            border-top: none;
        }

        .section h2 {
            font-size: 36px;
            color: white;
            margin-bottom: 40px;
            text-align: center;
        }

        /* Features Grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-bottom: 20px;
        }

        .feature {
            text-align: center;
            padding: 20px;
        }

        .feature-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
        }

        .feature-icon svg {
            width: 32px;
            height: 32px;
            stroke: white;
            stroke-width: 2;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .feature:hover .feature-icon {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.5);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .feature h3 {
            font-size: 22px;
            color: white;
            margin-bottom: 10px;
        }

        .feature p {
            color: white;
            font-size: 15px;
            opacity: 0.9;
        }

        /* Pricing */
        .pricing-box {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 16px;
            padding: 40px;
            max-width: 600px;
            margin: 0 auto;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .pricing-box h3 {
            font-size: 28px;
            color: white;
            margin-bottom: 20px;
        }

        .pricing-box .price {
            font-size: 48px;
            font-weight: 700;
            color: white;
            margin-bottom: 10px;
        }

        .pricing-box ul {
            list-style: none;
            margin: 20px 0;
        }

        .pricing-box li {
            padding: 10px 0;
            padding-left: 30px;
            position: relative;
            color: white;
            opacity: 0.9;
        }

        .pricing-box li:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: white;
            font-weight: bold;
        }

        .pricing-note {
            font-size: 14px;
            color: white;
            margin-top: 20px;
            text-align: center;
            opacity: 0.8;
        }

        /* Screenshots */
        .screenshots {
            display: flex;
            gap: 30px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .screenshot-placeholder {
            width: 280px;
            height: auto;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        .screenshot-placeholder img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* Footer */
        footer {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
            padding: 40px 60px;
            text-align: center;
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        footer a {
            color: white;
            text-decoration: none;
            font-weight: 500;
        }

        footer a:hover {
            text-decoration: underline;
        }

        .social-links {
            display: flex;
            gap: 20px;
            justify-content: center;
            margin-top: 20px;
        }

        .social-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            transition: background 0.3s ease;
        }

        .social-links a:hover {
            background: rgba(255, 255, 255, 0.2);
            text-decoration: none;
        }

        .social-icon {
            font-size: 20px;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .nav-links {
                gap: 1rem;
                font-size: 14px;
            }

            .card {
                padding: 40px 30px;
            }

            .logo {
                font-size: 80px;
            }

            h1 {
                font-size: 36px;
            }

            .tagline {
                font-size: 20px;
            }

            .section h2 {
                font-size: 28px;
            }

            .download-button img {
                height: 50px;
            }

            footer {
                padding: 30px 20px;
            }

            .social-links {
                flex-direction: column;
                gap: 10px;
            }
        }

        /* Smooth scroll */
        html {
            scroll-behavior: smooth;
        }