:root {
      --primary: #1D7BFF;
      --primary-hover: #0056cc;
      --theme-color: rgb(98,114,164);
      --bg-dark: #0B111E;
      --bg-light: #F4F7FC;
      --text-dark: #1E293B;
      --text-light: #F8FAFC;
      --text-muted: #64748B;
      --border-color: rgba(29, 123, 255, 0.15);
      --card-bg: rgba(255, 255, 255, 0.8);
      --shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      color: var(--text-dark);
      background-color: var(--bg-light);
      line-height: 1.6;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    img { max-width: 100%; height: auto; }
    
    
    .header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 100;
      background: rgba(11, 17, 30, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 15px 0;
    }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
    .header-nav { display: flex; align-items: center; justify-content: space-between; }
    .logo { display: inline-flex; align-items: center; gap: 12px; }
    .logo img { display: block; height: 40px; width: auto; max-width: 160px; object-fit: contain; flex-shrink: 0; }
    .logo span { display: inline-block; font-size: 20px; font-weight: 800; line-height: 1; color: var(--text-light); }
    .nav-list { display: flex; align-items: center; gap: 30px; list-style: none; }
    .nav-list a { color: rgba(248, 250, 252, 0.85); font-size: 15px; font-weight: 500; }
    .nav-list a:hover { color: var(--primary); }
    .nav-btn { background: var(--primary); color: #fff !important; padding: 8px 20px; border-radius: 6px; font-weight: 600 !important; }
    .menu-toggle { display: none; background: none; border: none; color: var(--text-light); font-size: 24px; cursor: pointer; }

    
    .drawer-backdrop { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); z-index: 1000; opacity: 0; visibility: hidden; transition: var(--transition); }
    .drawer { position: fixed; top: 0; left: -300px; width: 300px; height: 100%; background: var(--bg-dark); z-index: 1001; transition: var(--transition); display: flex; flex-direction: column; padding: 30px 20px; }
    .drawer.active { left: 0; }
    .drawer-backdrop.active { opacity: 1; visibility: visible; }
    .drawer-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; }
    .drawer-close { background: none; border: none; color: var(--text-light); font-size: 24px; cursor: pointer; }
    .drawer-nav { display: flex; flex-direction: column; gap: 20px; }
    .drawer-nav a { color: var(--text-light); font-size: 18px; font-weight: 500; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }

    
    .inner-hero {
      background: linear-gradient(135deg, #0B111E 0%, #111B30 100%);
      color: var(--text-light);
      padding: 130px 0 60px;
    }
    .page-title { font-size: 32px; font-weight: 800; }
    .page-desc { color: #94A3B8; margin-top: 10px; max-width: 600px; font-size: 15px; }

    
    .main-wrap { padding: 60px 0; background: #fff; }
    .about-section { margin-bottom: 60px; }
    .about-section h3 { font-size: 24px; font-weight: 800; color: #0F172A; margin-bottom: 20px; border-left: 4px solid var(--primary); padding-left: 15px; }
    .about-section p { font-size: 16px; color: var(--text-muted); line-height: 1.8; margin-bottom: 20px; }
    
    .timeline { display: flex; flex-direction: column; gap: 30px; margin-top: 40px; position: relative; }
    .timeline::before { content: ''; position: absolute; left: 19px; top: 0; height: 100%; width: 2px; background: #E2E8F0; }
    .timeline-item { display: flex; gap: 30px; position: relative; }
    .timeline-badge { width: 40px; height: 40px; border-radius: 50%; background: var(--bg-light); border: 2px solid var(--primary); display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--primary); z-index: 1; flex-shrink: 0; }
    .timeline-content { background: var(--bg-light); padding: 20px; border-radius: 12px; width: 100%; }
    .timeline-content h4 { font-size: 18px; font-weight: 700; color: #0F172A; margin-bottom: 8px; }
    .timeline-content p { font-size: 14px; margin-bottom: 0; }

    
    .footer { background: #0F172A; color: #94A3B8; padding: 70px 0 30px; border-top: 1px solid rgba(255,255,255,0.05); font-size: 14px; }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }
    .footer-brand p { margin-top: 15px; line-height: 1.6; }
    .footer-col h4 { color: var(--text-light); font-size: 16px; font-weight: 700; margin-bottom: 20px; }
    .footer-links { list-style: none; display: flex; flex-direction: column; gap: 12px; }
    .footer-links a:hover { color: var(--primary); }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding-top: 30px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 15px; }

    @media (max-width: 768px) {
      .nav-list { display: none; }
      .menu-toggle { display: block; }
      .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    }