:root {
      --primary-color: rgb(126,34,206);
      --primary-gradient: linear-gradient(135deg, rgb(126,34,206), #1D7BFF);
      --glacier-blue: #1D7BFF;
      --ocean-dark: #0A1128;
      --ocean-deep: #050814;
      --text-light: #F8FAFC;
      --text-gray: #94A3B8;
      --border-color: rgba(29, 123, 255, 0.2);
      --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: var(--font-family); background-color: var(--ocean-deep); color: var(--text-light); line-height: 1.6; }
    a { color: inherit; text-decoration: none; transition: 0.3s; }

    
    header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1000;
      background: rgba(5, 8, 20, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .header-container {
      max-width: 1300px;
      margin: 0 auto;
      padding: 15px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .logo { display: inline-flex; align-items: center; gap: 12px; }
    .logo img { display: block; height: 40px; width: auto; max-width: 160px; object-fit: contain; }
    .logo span { display: inline-block; font-size: 20px; font-weight: 800; line-height: 1; background: linear-gradient(120deg, #fff, var(--glacier-blue)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

    nav.desktop-nav { display: flex; align-items: center; gap: 32px; }
    nav.desktop-nav a { font-size: 15px; font-weight: 500; color: var(--text-gray); }
    nav.desktop-nav a:hover, nav.desktop-nav a.active { color: var(--text-light); }

    .nav-actions { display: flex; align-items: center; gap: 16px; }
    .btn-download { background: var(--primary-gradient); color: white; padding: 10px 24px; border-radius: 99px; font-size: 14px; font-weight: 600; }
    .menu-toggle { display: none; background: none; border: none; cursor: pointer; }
    .menu-toggle span { display: block; width: 24px; height: 2px; background-color: var(--text-light); margin: 6px 0; }

    
    .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.7); backdrop-filter: blur(8px); z-index: 2000; opacity: 0; visibility: hidden; }
    .drawer { position: fixed; top: 0; left: -280px; width: 280px; height: 100%; background: var(--ocean-dark); z-index: 2001; padding: 24px; display: flex; flex-direction: column; border-right: 1px solid var(--border-color); transition: 0.3s; }
    .drawer.active { left: 0; }
    .drawer-overlay.active { opacity: 1; visibility: visible; }
    .drawer-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
    .drawer-close { background: none; border: none; font-size: 24px; color: var(--text-gray); }
    .drawer-nav { display: flex; flex-direction: column; gap: 20px; }
    .drawer-nav a { font-size: 16px; color: var(--text-gray); padding: 10px 0; }

    
    .download-hero { padding: 160px 24px 80px; background: radial-gradient(circle at center, rgba(126, 34, 206, 0.15) 0%, transparent 80%), var(--ocean-deep); text-align: center; }
    .download-container { max-width: 1200px; margin: 0 auto; }
    .download-hero h1 { font-size: 48px; font-weight: 800; margin-bottom: 20px; background: linear-gradient(135deg, #fff, var(--glacier-blue)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
    .download-hero p { font-size: 18px; color: var(--text-gray); max-width: 600px; margin: 0 auto 40px; }

    .download-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; margin-top: 40px; }
    .download-card { background: var(--ocean-dark); border: 1px solid rgba(255, 255, 255, 0.03); border-radius: 16px; padding: 40px; transition: 0.3s; text-align: center; }
    .download-card:hover { border-color: var(--border-color); transform: translateY(-5px); }
    .card-icon { font-size: 48px; margin-bottom: 20px; }
    .card-title { font-size: 22px; font-weight: 700; margin-bottom: 12px; }
    .card-desc { font-size: 14px; color: var(--text-gray); margin-bottom: 30px; }
    
    .btn-action { display: inline-block; background: var(--primary-gradient); color: white; padding: 12px 30px; border-radius: 8px; font-weight: 600; width: 100%; text-shadow: 0 1px 2px rgba(0,0,0,0.2); }
    
    
    footer { background: #03060d; border-top: 1px solid rgba(255, 255, 255, 0.05); padding: 80px 0 30px; margin-top: 100px; }
    .footer-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 40px; margin-bottom: 60px; }
    .footer-brand p { color: var(--text-gray); font-size: 14px; margin-top: 20px; max-width: 320px; }
    .footer-col h4 { font-size: 16px; font-weight: 700; color: var(--text-light); margin-bottom: 24px; }
    .footer-col ul { list-style: none; }
    .footer-col ul li { margin-bottom: 12px; }
    .footer-col ul li a { color: var(--text-gray); font-size: 14px; }
    .footer-col ul li a:hover { color: var(--text-light); padding-left: 4px; }
    .footer-bottom { max-width: 1200px; margin: 0 auto; padding: 30px 24px 0; border-top: 1px solid rgba(255, 255, 255, 0.05); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; font-size: 13px; color: var(--text-gray); }
    .footer-links { display: flex; gap: 24px; }

    @media (max-width: 992px) {
      nav.desktop-nav, .nav-actions { display: none; }
      .menu-toggle { display: block; }
      .footer-container { grid-template-columns: 1fr; gap: 30px; }
    }