:root {
      --primary-color: rgb(239, 68, 68);
      --primary-hover: rgb(220, 38, 38);
      --secondary-color: #1D7BFF;
      --bg-dark: #0B0F19;
      --bg-light: #F8FAFC;
      --text-dark: #0F172A;
      --text-light: #64748B;
      --border-color: #E2E8F0;
      --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
      --transition: all 0.3s ease;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; background: #FFF; color: var(--text-dark); line-height: 1.6; }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    img { max-width: 100%; height: auto; }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

    
    .header { background: #FFF; border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 1000; height: 70px; display: flex; align-items: center; }
    .header-container { display: flex; justify-content: space-between; align-items: center; width: 100%; }
    .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-dark); white-space: nowrap; }
    .nav-menu { display: flex; gap: 30px; align-items: center; }
    .nav-menu a { font-weight: 500; color: var(--text-dark); font-size: 15px; }
    .nav-menu a:hover { color: var(--primary-color); }
    .header-btn { background: var(--primary-color); color: #FFF !important; padding: 8px 20px; border-radius: 6px; font-weight: 600; }
    .header-btn:hover { background: var(--primary-hover); }
    .menu-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--text-dark); }

    
    .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 2000; opacity: 0; pointer-events: none; transition: var(--transition); }
    .drawer-overlay.open { opacity: 1; pointer-events: auto; }
    .drawer { position: fixed; top: 0; left: -280px; width: 280px; height: 100%; background: #FFF; z-index: 2001; transition: var(--transition); padding: 30px 20px; display: flex; flex-direction: column; gap: 30px; box-shadow: var(--card-shadow); }
    .drawer.open { left: 0; }
    .drawer-header { display: flex; justify-content: space-between; align-items: center; }
    .drawer-close { background: none; border: none; font-size: 24px; cursor: pointer; color: var(--text-dark); }
    .drawer-nav { display: flex; flex-direction: column; gap: 20px; }
    .drawer-nav a { font-size: 16px; font-weight: 500; color: var(--text-dark); padding: 10px 0; border-bottom: 1px solid var(--border-color); }

    
    .inner-banner { background: var(--bg-dark); color: #FFF; padding: 40px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
    .inner-banner h1 { font-size: 28px; font-weight: 800; margin-bottom: 8px; }
    .breadcrumbs { display: flex; gap: 8px; font-size: 14px; color: #94A3B8; flex-wrap: wrap; }
    .breadcrumbs a { color: #FFF; }
    .breadcrumbs a:hover { color: var(--primary-color); }

    
    .section-padding { padding: 80px 0; }
    .download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
    .download-card { background: #FFF; border: 1px solid var(--border-color); border-radius: 12px; padding: 40px 30px; text-align: center; transition: var(--transition); box-shadow: var(--card-shadow); }
    .download-card:hover { transform: translateY(-5px); border-color: var(--primary-color); }
    .download-icon { font-size: 48px; margin-bottom: 20px; color: var(--primary-color); }
    .download-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
    .download-card p { color: var(--text-light); font-size: 14px; margin-bottom: 24px; }
    .btn-download { display: inline-block; background: var(--primary-color); color: #FFF; padding: 10px 24px; border-radius: 6px; font-weight: 600; transition: var(--transition); }
    .btn-download:hover { background: var(--primary-hover); }

    
    .steps-section { background: var(--bg-light); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
    .step-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-top: 50px; }
    .step-card { background: #FFF; border: 1px solid var(--border-color); border-radius: 12px; padding: 30px; text-align: center; position: relative; }
    .step-num { width: 36px; height: 36px; background: var(--primary-color); color: #FFF; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; margin: 0 auto 20px; }
    .step-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
    .step-card p { font-size: 13px; color: var(--text-light); }

    
    .footer { background: var(--bg-dark); color: #94A3B8; padding: 80px 0 30px; border-top: 1px solid rgba(255, 255, 255, 0.1); font-size: 14px; }
    .footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 40px; margin-bottom: 60px; }
    .footer-brand { display: flex; flex-direction: column; gap: 20px; }
    .footer-brand .logo span { color: #FFF; }
    .footer-brand p { line-height: 1.6; }
    .footer-col h4 { color: #FFF; font-size: 16px; font-weight: 700; margin-bottom: 20px; }
    .footer-links { display: flex; flex-direction: column; gap: 12px; }
    .footer-links a:hover { color: #FFF; }
    .footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 30px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
    .footer-copyright { font-size: 13px; }
    .footer-meta-links { display: flex; gap: 20px; font-size: 13px; }

    @media (max-width: 992px) {
      .download-grid, .step-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .nav-menu { display: none; }
      .menu-toggle { display: block; }
      .footer-grid { grid-template-columns: 1fr; }
    }