:root {
      --theme-color: rgb(8,145,178);
      --theme-hover: rgb(6,116,143);
      --bg-deep: #070c19;
      --bg-glacier: #0f1c3f;
      --text-light: #f8fafc;
      --text-gray: #94a3b8;
      --text-dark: #0f172a;
      --text-muted: #64748b;
      --border-color: rgba(8,145,178, 0.2);
      --max-width: 1200px;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; line-height: 1.6; color: var(--text-dark); background: #f8fafc; }
    a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
    ul { list-style: none; }
    .container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; width: 100%; }

    
    header { background: var(--bg-deep); border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 100; }
    .header-container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
    .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: 20px; font-weight: 800; line-height: 1; color: var(--text-light); white-space: nowrap; letter-spacing: 0.5px; }
    .nav-desktop { display: flex; align-items: center; gap: 32px; }
    .nav-desktop a { color: var(--text-gray); font-size: 15px; font-weight: 500; }
    .nav-desktop a:hover, .nav-desktop a.active { color: var(--theme-color); }
    .nav-btn { background: var(--theme-color); color: var(--text-light) !important; padding: 8px 20px; border-radius: 6px; font-weight: 600; }
    .nav-btn:hover { background: var(--theme-hover); }
    .nav-toggle { display: none; background: none; border: none; color: var(--text-light); font-size: 24px; cursor: pointer; }

    
    .drawer-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); z-index: 998; backdrop-filter: blur(4px); }
    .drawer { position: fixed; top: 0; left: -280px; width: 280px; height: 100%; background: var(--bg-deep); z-index: 999; box-shadow: 0 10px 25px rgba(0,0,0,0.15); transition: left 0.3s ease; display: flex; flex-direction: column; padding: 24px; }
    .drawer.active { left: 0; }
    .drawer-overlay.active { display: block; }
    .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-menu { display: flex; flex-direction: column; gap: 20px; }
    .drawer-menu a { color: var(--text-gray); font-size: 16px; font-weight: 500; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
    .drawer-menu a:hover { color: var(--theme-color); }

    
    .about-hero { background: linear-gradient(135deg, var(--bg-glacier) 0%, var(--bg-deep) 100%); color: var(--text-light); padding: 80px 0; text-align: center; }
    .about-hero h1 { font-size: 38px; font-weight: 800; margin-bottom: 20px; }
    .about-hero p { font-size: 16px; color: var(--text-gray); max-width: 700px; margin: 0 auto; }

    .about-content { padding: 80px 0; }
    .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
    .about-text h2 { font-size: 28px; font-weight: 800; color: var(--text-dark); margin-bottom: 20px; border-left: 5px solid var(--theme-color); padding-left: 15px; }
    .about-text p { font-size: 15px; color: var(--text-muted); line-height: 1.8; margin-bottom: 20px; }

    
    .timeline-sec { background: #f1f5f9; padding: 80px 0; }
    .timeline-container { max-width: 800px; margin: 0 auto; position: relative; }
    .timeline-container::before { content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: #cbd5e1; transform: translateX(-50%); }
    .timeline-item { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; position: relative; }
    .timeline-item:nth-child(even) { flex-direction: row-reverse; }
    .timeline-badge { width: 40px; height: 40px; background: var(--theme-color); border: 4px solid #fff; border-radius: 50%; position: absolute; left: 50%; transform: translateX(-50%); z-index: 10; }
    .timeline-content { width: 45%; background: #fff; padding: 24px; border-radius: 8px; border: 1px solid #cbd5e1; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05); }
    .timeline-content h3 { font-size: 18px; font-weight: 700; color: var(--theme-color); margin-bottom: 8px; }
    .timeline-content p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

    
    footer { background: var(--bg-deep); color: var(--text-gray); padding: 60px 0 30px; border-top: 1px solid var(--border-color); font-size: 14px; }
    .footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 40px; margin-bottom: 40px; }
    .footer-intro p { margin-top: 16px; line-height: 1.6; font-size: 13px; }
    .footer-title { font-size: 15px; font-weight: 700; color: var(--text-light); margin-bottom: 18px; }
    .footer-links { display: flex; flex-direction: column; gap: 10px; }
    .footer-links a { font-size: 13px; }
    .footer-links a:hover { color: var(--theme-color); }
    .footer-contact { display: flex; flex-direction: column; gap: 8px; font-size: 13px; }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding-top: 30px; display: flex; justify-content: space-between; align-items: center; font-size: 12px; }
    .footer-seo-links { display: flex; gap: 16px; }
    .footer-seo-links a { color: var(--text-muted); }
    .footer-seo-links a:hover { color: var(--theme-color); }

    @media (max-width: 768px) {
      .nav-toggle { display: block; }
      .nav-desktop { display: none; }
      .grid-2 { grid-template-columns: 1fr; gap: 30px; }
      .timeline-container::before { left: 20px; }
      .timeline-item { flex-direction: row !important; }
      .timeline-badge { left: 20px; transform: translateX(-50%); }
      .timeline-content { width: calc(100% - 50px); margin-left: auto; }
      .footer-grid { grid-template-columns: 1fr; gap: 30px; }
      .footer-bottom { flex-direction: column; gap: 15px; text-align: center; }
    }