:root {
      --primary: rgb(14,165,233);
      --primary-hover: #0284C7;
      --bg-dark: #070B19;
      --bg-card: rgba(15, 23, 42, 0.6);
      --bg-card-hover: rgba(15, 23, 42, 0.85);
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --border-color: rgba(255, 255, 255, 0.08);
      --glacier-blue: #38BDF8;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { background-color: var(--bg-dark); color: var(--text-main); font-family: var(--font); line-height: 1.6; padding-top: 70px; }
    a { color: inherit; text-decoration: none; transition: all 0.3s; }
    .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

    
    .site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: rgba(7, 11, 25, 0.8); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-color); }
    .header-container { display: flex; align-items: center; justify-content: space-between; height: 70px; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
    .logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
    .logo img { display: block; height: 40px; width: auto; max-width: 160px; object-fit: contain; flex-shrink: 0; }
    .logo span { display: inline-block; font-size: 18px; font-weight: 800; line-height: 1; color: var(--text-main); white-space: nowrap; }
    .desktop-nav { display: flex; align-items: center; gap: 32px; }
    .desktop-nav a { font-size: 15px; font-weight: 500; color: var(--text-muted); }
    .desktop-nav a:hover, .desktop-nav a.active { color: var(--primary); }
    .header-actions { display: flex; align-items: center; gap: 16px; }
    .nav-cta-btn { background: var(--primary); color: #fff; padding: 8px 20px; border-radius: 6px; font-size: 14px; font-weight: 600; box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3); }
    .nav-cta-btn:hover { background: var(--primary-hover); transform: translateY(-1px); }
    .mobile-menu-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 6px; padding: 4px; }
    .mobile-menu-toggle span { display: block; width: 24px; height: 2px; background-color: var(--text-main); transition: all 0.3s ease; }

    
    .mobile-drawer { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 2000; visibility: hidden; transition: all 0.3s ease; }
    .mobile-drawer.active { visibility: visible; }
    .drawer-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(4px); opacity: 0; transition: opacity 0.3s ease; }
    .mobile-drawer.active .drawer-overlay { opacity: 1; }
    .drawer-content { position: absolute; top: 0; left: -280px; width: 280px; height: 100%; background: #0b1126; border-right: 1px solid var(--border-color); padding: 24px; display: flex; flex-direction: column; gap: 32px; transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
    .mobile-drawer.active .drawer-content { left: 0; }
    .drawer-header { display: flex; align-items: center; justify-content: space-between; }
    .drawer-close { background: none; border: none; color: var(--text-muted); font-size: 28px; cursor: pointer; }
    .drawer-nav { display: flex; flex-direction: column; gap: 20px; }
    .drawer-nav a { font-size: 16px; font-weight: 500; color: var(--text-muted); }
    .drawer-nav a:hover { color: var(--primary); padding-left: 4px; }
    .drawer-footer { margin-top: auto; border-top: 1px solid var(--border-color); padding-top: 20px; }
    .drawer-footer p { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
    .drawer-phone { font-size: 18px; font-weight: 700; color: var(--primary); }

    
    .dl-hero { padding: 80px 0; text-align: center; background: radial-gradient(circle at 50% 30%, rgba(14,165,233,0.1) 0%, transparent 70%); }
    .dl-hero h1 { font-size: 38px; font-weight: 800; margin-bottom: 16px; }
    .dl-hero p { font-size: 16px; color: var(--text-muted); max-width: 600px; margin: 0 auto; }

    .dl-platforms { padding: 40px 0 100px; }
    .platforms-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-bottom: 80px; }
    .platform-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 16px; padding: 40px 24px; text-align: center; transition: all 0.3s ease; }
    .platform-card:hover { border-color: var(--primary); transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,0,0,0.4); }
    .p-icon { font-size: 48px; margin-bottom: 24px; }
    .platform-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
    .platform-card .p-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
    .dl-btn { display: inline-block; background: var(--primary); color: #fff; padding: 10px 30px; border-radius: 50px; font-weight: 600; font-size: 14px; box-shadow: 0 4px 15px rgba(14,165,233,0.3); }
    .dl-btn:hover { background: var(--primary-hover); transform: scale(1.03); }

    
    .steps-section { background: rgba(255,255,255,0.01); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); padding: 80px 0; }
    .steps-title { text-align: center; font-size: 26px; font-weight: 800; margin-bottom: 48px; }
    .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
    .step-item { text-align: center; }
    .step-num { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 50%; background: rgba(29, 123, 255, 0.1); border: 2px solid var(--primary); color: var(--primary); font-size: 18px; font-weight: 800; margin-bottom: 20px; }
    .step-item h4 { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
    .step-item p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

    
    .faq-section { padding: 100px 0; }
    .faq-title { text-align: center; font-size: 26px; font-weight: 800; margin-bottom: 48px; }
    .faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
    .faq-item { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 10px; padding: 24px; }
    .faq-item h4 { font-size: 16px; font-weight: 700; margin-bottom: 10px; color: var(--primary); }
    .faq-item p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

    
    .site-footer { background: #030712; border-top: 1px solid var(--border-color); padding: 80px 0 30px 0; }
    .footer-container { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; margin-bottom: 60px; }
    .footer-brand p { font-size: 14px; color: var(--text-muted); margin-top: 16px; line-height: 1.6; }
    .footer-link-group h4 { font-size: 15px; font-weight: 700; margin-bottom: 20px; color: var(--text-main); }
    .footer-link-group ul { list-style: none; }
    .footer-link-group ul li { margin-bottom: 12px; }
    .footer-link-group ul li a { font-size: 13px; color: var(--text-muted); }
    .footer-link-group ul li a:hover { color: var(--primary); }
    .footer-bottom { border-top: 1px solid var(--border-color); padding-top: 30px; text-align: center; font-size: 12px; color: var(--text-muted); }

    @media (max-width: 992px) {
      .platforms-grid { grid-template-columns: 1fr; }
      .steps-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .desktop-nav, .header-actions .nav-cta-btn { display: none; }
      .mobile-menu-toggle { display: flex; }
      .footer-container { grid-template-columns: 1fr; }
    }