:root { --primary: #6366f1; --dark: #0f172a; --light: #f8fafc; --accent: #ec4899; }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #334155; line-height: 1.6; background-color: #ffffff; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        header { background: #fff; padding: 15px 0; border-bottom: 1px solid #e2e8f0; position: sticky; top: 0; z-index: 1000; }
        nav { display: flex; justify-content: space-between; align-items: center; }
        .nav-links { display: flex; gap: 0; list-style: none; }
        .nav-links a { padding: 10px 15px; text-decoration: none; color: #1e293b; font-weight: 500; font-size: 14px; }
        .btn { display: inline-block; padding: 10px 24px; border-radius: 8px; font-weight: 600; text-decoration: none; transition: 0.3s; }
        .btn-primary { background: var(--primary); color: #fff; }
        .hero { padding: 80px 0; text-align: center; background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%); }
        h1 { font-size: 3rem; margin-bottom: 20px; color: var(--dark); }
        .section-title { text-align: center; margin: 60px 0 40px; font-size: 2.5rem; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
        .card { padding: 30px; border-radius: 16px; background: #fff; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1); border: 1px solid #e2e8f0; transition: transform 0.3s; }
        .card:hover { transform: translateY(-5px); box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1); }
        table { width: 100%; border-collapse: collapse; margin: 40px 0; }
        th, td { padding: 15px; border: 1px solid #e2e8f0; text-align: center; }
        .faq-item { margin-bottom: 20px; border-bottom: 1px solid #e2e8f0; padding-bottom: 10px; }
        footer { background: var(--dark); color: #fff; padding: 60px 0 20px; text-align: center; }
        .ai-page-logo { height: 40px; }
        .contact-form input, .contact-form select, .contact-form textarea { width: 100%; padding: 12px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; }