:root {
      --primary: #1D7BFF;
      --secondary: rgb(108,92,231);
      --dark-bg: #050a18;
      --deep-ocean: #0d1b2a;
      --silver-white: #f4f6f9;
      --text-main: #111827;
      --text-muted: #4b5563;
      --border-color: rgba(255,255,255,0.1);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, sans-serif; }
    body { background-color: #fafbfc; color: var(--text-main); line-height: 1.6; }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
    .btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 28px; border-radius: 8px; font-weight: 600; cursor: pointer; transition: var(--transition); border: none; }
    .btn-primary { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; }

    
    .logo { display: inline-flex; align-items: center; gap: 12px; }
    .logo img { display: block; height: 40px; width: auto; object-fit: contain; }
    .logo span { font-size: 20px; font-weight: 800; color: #fff; letter-spacing: -0.5px; }

    
    .site-header { background-color: rgba(5, 10, 24, 0.85); backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
    .header-container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
    .desktop-nav { display: flex; align-items: center; gap: 32px; }
    .desktop-nav a { color: #b0b8c4; font-size: 15px; font-weight: 500; }
    .desktop-nav a:hover { color: var(--primary); }
    .header-actions { display: flex; align-items: center; gap: 16px; }
    .drawer-trigger { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 6px; }
    .drawer-trigger span { display: block; width: 24px; height: 2px; background-color: #fff; }

    
    .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(4px); z-index: 998; opacity: 0; visibility: hidden; transition: var(--transition); }
    .drawer-overlay.active { opacity: 1; visibility: visible; }
    .drawer-menu { position: fixed; top: 0; left: -320px; width: 300px; height: 100%; background: var(--dark-bg); z-index: 999; padding: 32px 24px; display: flex; flex-direction: column; transition: var(--transition); border-right: 1px solid var(--border-color); }
    .drawer-menu.active { left: 0; }
    .drawer-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; }
    .drawer-close { background: none; border: none; color: #fff; font-size: 28px; cursor: pointer; }
    .drawer-nav { display: flex; flex-direction: column; gap: 20px; margin-bottom: auto; }
    .drawer-nav a { color: #b0b8c4; font-size: 18px; font-weight: 500; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
    .drawer-nav a:hover { color: var(--primary); padding-left: 8px; }

    
    .about-hero { background: linear-gradient(135deg, var(--dark-bg) 0%, var(--deep-ocean) 100%); color: #fff; padding: 80px 0; text-align: center; }
    .about-hero h1 { font-size: 36px; font-weight: 800; margin-bottom: 16px; }
    .about-hero p { font-size: 16px; color: #b0b8c4; max-width: 700px; margin: 0 auto; }

    
    .about-section { padding: 80px 0; background: #fff; }
    .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
    .about-content h2 { font-size: 28px; font-weight: 800; margin-bottom: 20px; color: var(--dark-bg); }
    .about-content p { font-size: 15px; color: var(--text-muted); margin-bottom: 16px; }

    
    .reg-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
    .reg-card { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 12px; padding: 24px; text-align: center; }
    .reg-card h4 { font-size: 16px; font-weight: 700; color: var(--dark-bg); margin-bottom: 8px; }
    .reg-card p { font-size: 13px; color: var(--text-muted); }

    
    .site-footer { background-color: #050a18; color: #b0b8c4; padding: 80px 0 40px; border-top: 1px solid rgba(255,255,255,0.06); }
    .footer-container { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 48px; margin-bottom: 60px; }
    .footer-brand .logo { margin-bottom: 20px; }
    .footer-brand p { font-size: 14px; line-height: 1.6; }
    .footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 24px; }
    .footer-col ul { list-style: none; }
    .footer-col ul li { margin-bottom: 12px; }
    .footer-col ul li a { font-size: 14px; }
    .footer-col ul li a:hover { color: var(--primary); }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 30px; }
    .bottom-container { display: flex; flex-direction: column; gap: 16px; }
    .bottom-container p { font-size: 12px; line-height: 1.6; }
    .risk-warning { color: #ef4444; font-weight: 500; }

    @media (max-width: 768px) {
      .desktop-nav, .header-actions .btn { display: none; }
      .drawer-trigger { display: flex; }
      .about-grid { grid-template-columns: 1fr; }
      .reg-grid { grid-template-columns: 1fr; }
      .footer-container { grid-template-columns: 1fr; }
    }