:root {
      --primary: #1D7BFF;
      --primary-hover: #1565D8;
      --accent: rgb(202,138,4);
      --bg-dark: #070A13;
      --bg-card: #0F1626;
      --bg-body: #07090E;
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --border-color: rgba(29, 123, 255, 0.15);
      --glass-bg: rgba(15, 22, 38, 0.7);
      --glass-border: rgba(255, 255, 255, 0.08);
      --max-width: 1200px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      background-color: var(--bg-body);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.3s ease;
    }

    
    header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1000;
      background: rgba(7, 10, 19, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--glass-border);
    }

    .header-container {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 16px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
    }

    .logo img {
      display: block;
      height: 38px;
      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-main);
      white-space: nowrap;
      letter-spacing: -0.5px;
    }

    .nav-desktop {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .nav-desktop a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
    }

    .nav-desktop a:hover {
      color: var(--primary);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .btn-action {
      background: var(--primary);
      color: #fff;
      padding: 8px 18px;
      border-radius: 6px;
      font-size: 14px;
      font-weight: 600;
      border: none;
      cursor: pointer;
    }

    .btn-action:hover {
      background: var(--primary-hover);
      box-shadow: 0 0 15px rgba(29, 123, 255, 0.4);
    }

    .drawer-trigger {
      display: none;
      background: none;
      border: none;
      color: var(--text-main);
      cursor: pointer;
    }

    .drawer-trigger svg {
      width: 26px;
      height: 26px;
      fill: currentColor;
    }

    
    .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: 1001;
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
    }

    .drawer-overlay.active {
      opacity: 1;
      visibility: visible;
    }

    .drawer {
      position: fixed;
      top: 0;
      left: -280px;
      width: 280px;
      height: 100%;
      background: var(--bg-dark);
      z-index: 1002;
      box-shadow: 4px 0 25px rgba(0, 0, 0, 0.5);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      display: flex;
      flex-direction: column;
      border-right: 1px solid var(--border-color);
    }

    .drawer.active {
      left: 0;
    }

    .drawer-header {
      padding: 20px;
      border-bottom: 1px solid var(--glass-border);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .drawer-close {
      background: none;
      border: none;
      color: var(--text-muted);
      cursor: pointer;
    }

    .drawer-close svg {
      width: 24px;
      height: 24px;
      fill: currentColor;
    }

    .nav-drawer {
      display: flex;
      flex-direction: column;
      padding: 20px;
      gap: 18px;
    }

    .nav-drawer a {
      font-size: 16px;
      font-weight: 500;
      color: var(--text-muted);
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    }

    .nav-drawer a:hover {
      color: var(--primary);
      padding-left: 5px;
    }

    .drawer-footer {
      margin-top: auto;
      padding: 20px;
      border-top: 1px solid var(--glass-border);
      font-size: 12px;
      color: var(--text-muted);
    }

    
    .about-header {
      padding: 140px 20px 60px;
      text-align: center;
      background: radial-gradient(circle at 50% 10%, rgba(29, 123, 255, 0.08) 0%, rgba(7, 9, 14, 0) 50%);
    }

    .about-header h1 {
      font-size: clamp(28px, 4vw, 42px);
      font-weight: 800;
      margin-bottom: 15px;
      color: #fff;
    }

    .about-header p {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 600px;
      margin: 0 auto;
    }

    .about-content {
      max-width: var(--max-width);
      margin: 0 auto 80px;
      padding: 0 20px;
    }

    .about-intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
      margin-bottom: 80px;
    }

    .about-intro-text h2 {
      font-size: 24px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
    }

    .about-intro-text p {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    .about-panel {
      background: var(--bg-card);
      border: 1px solid var(--glass-border);
      border-radius: 16px;
      padding: 40px;
    }

    
    .timeline {
      position: relative;
      padding-left: 30px;
      margin-top: 30px;
    }

    .timeline::before {
      content: "";
      position: absolute;
      left: 5px;
      top: 5px;
      width: 2px;
      height: 90%;
      background: var(--primary);
      opacity: 0.3;
    }

    .timeline-item {
      position: relative;
      margin-bottom: 30px;
    }

    .timeline-item::before {
      content: "";
      position: absolute;
      left: -30px;
      top: 6px;
      width: 12px;
      height: 12px;
      background: var(--bg-body);
      border: 2px solid var(--primary);
      border-radius: 50%;
    }

    .timeline-item h4 {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 6px;
    }

    .timeline-item p {
      font-size: 13.5px;
      color: var(--text-muted);
    }

    
    footer {
      background: #030509;
      border-top: 1px solid var(--glass-border);
      padding: 60px 20px 30px;
    }

    .footer-container {
      max-width: var(--max-width);
      margin: 0 auto;
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-brand p {
      margin-top: 15px;
      color: var(--text-muted);
      font-size: 14px;
      max-width: 280px;
    }

    .footer-links h4 {
      font-size: 15px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 20px;
    }

    .footer-links ul {
      list-style: none;
    }

    .footer-links ul li {
      margin-bottom: 12px;
    }

    .footer-links ul li a {
      font-size: 13px;
      color: var(--text-muted);
    }

    .footer-links ul li a:hover {
      color: var(--primary);
    }

    .footer-contact h4 {
      font-size: 15px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 20px;
    }

    .footer-contact p {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 10px;
    }

    .footer-bottom {
      max-width: var(--max-width);
      margin: 0 auto;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-muted);
    }

    .footer-bottom-links {
      display: flex;
      gap: 20px;
    }

    @media (max-width: 992px) {
      .about-intro-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .footer-container {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-desktop, .header-actions {
        display: none;
      }
      .drawer-trigger {
        display: block;
      }
      .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
      }
    }