:root {
      --primary: #10B981;
      --bg-deep: #06120F;
      --bg-card: #0D1F1A;
      --text-light: #D1FAE5;
      --text-muted: #889F96;
      --accent: #A3E635;
      --border-light: rgba(16, 185, 129, 0.15);
      --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    }

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

    body {
      background-color: var(--bg-deep);
      color: var(--text-light);
      font-family: var(--font-sans);
      line-height: 1.6;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    
    header {
      background: rgba(6, 18, 15, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-light);
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1000;
    }

    .header-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 16px 20px;
      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;
      flex-shrink: 0;
    }

    .logo span {
      display: inline-block;
      font-size: 20px;
      font-weight: 800;
      color: #fff;
    }

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

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

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

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 20px;
      border-radius: 8px;
      font-weight: 600;
      font-size: 14px;
      cursor: pointer;
    }

    .btn-primary {
      background: var(--primary);
      color: #06120F;
    }

    .btn-primary:hover {
      background: var(--accent);
    }

    .btn-outline {
      border: 1px solid var(--border-light);
      color: var(--primary);
    }

    .drawer-toggle {
      display: none;
      background: none;
      border: none;
      color: var(--text-light);
      font-size: 24px;
    }

    
    .mobile-drawer {
      position: fixed;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      z-index: 2000;
      transition: all 0.4s ease;
      visibility: hidden;
    }

    .mobile-drawer.active {
      left: 0;
      visibility: visible;
    }

    .drawer-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.75);
    }

    .drawer-content {
      position: absolute;
      top: 0;
      left: 0;
      width: 280px;
      height: 100%;
      background: var(--bg-deep);
      padding: 24px;
    }

    .drawer-close {
      background: none;
      border: none;
      color: var(--text-light);
      font-size: 28px;
    }

    .drawer-nav {
      display: flex;
      flex-direction: column;
      gap: 18px;
      margin-top: 40px;
    }

    
    .download-hero {
      padding: 160px 20px 60px;
      text-align: center;
      background: radial-gradient(circle at bottom, rgba(16,185,129,0.05) 0%, rgba(6,18,15,0) 70%);
    }

    .download-hero h1 {
      font-size: 38px;
      color: #fff;
      font-weight: 800;
      margin-bottom: 16px;
    }

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

    .download-grid {
      max-width: 1100px;
      margin: 0 auto;
      padding: 40px 20px 80px;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .download-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: 20px;
      padding: 40px;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      transition: all 0.3s;
    }

    .download-card:hover {
      border-color: var(--primary);
      transform: translateY(-5px);
    }

    .platform-tag {
      font-size: 12px;
      color: var(--accent);
      font-weight: 700;
      text-transform: uppercase;
      margin-bottom: 16px;
    }

    .download-card h2 {
      font-size: 24px;
      color: #fff;
      margin-bottom: 12px;
    }

    .download-card p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 30px;
    }

    .specs-list {
      width: 100%;
      margin-bottom: 30px;
    }

    .spec-item {
      display: flex;
      justify-content: space-between;
      padding: 10px 0;
      border-bottom: 1px solid rgba(16,185,129,0.06);
      font-size: 13px;
    }

    .spec-item span:first-child {
      color: var(--text-muted);
    }

    .spec-item span:last-child {
      color: #fff;
      font-weight: 600;
    }

    
    .steps-section {
      background: rgba(13,31,26,0.3);
      padding: 80px 20px;
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }

    .steps-container {
      max-width: 1100px;
      margin: 0 auto;
    }

    .steps-title {
      text-align: center;
      font-size: 28px;
      color: #fff;
      margin-bottom: 50px;
    }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .step-card {
      text-align: center;
      padding: 20px;
    }

    .step-num {
      width: 50px;
      height: 50px;
      background: var(--primary);
      color: #06120F;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 800;
      margin: 0 auto 20px;
    }

    .step-card h3 {
      font-size: 18px;
      color: #fff;
      margin-bottom: 12px;
    }

    .step-card p {
      font-size: 14px;
      color: var(--text-muted);
    }

    
    footer {
      background: #040d0a;
      border-top: 1px solid var(--border-light);
      padding: 60px 20px 30px;
    }

    .footer-container {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-brand p {
      color: var(--text-muted);
      font-size: 14px;
      margin-top: 16px;
    }

    .footer-links h4 {
      color: #fff;
      font-size: 16px;
      margin-bottom: 16px;
    }

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

    .footer-links li {
      margin-bottom: 10px;
    }

    .footer-links a {
      color: var(--text-muted);
      font-size: 14px;
    }

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

    .footer-bottom {
      max-width: 1200px;
      margin: 0 auto;
      padding-top: 30px;
      border-top: 1px solid rgba(16, 185, 129, 0.08);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
    }

    .footer-bottom p {
      font-size: 12px;
      color: var(--text-muted);
    }

    @media (max-width: 768px) {
      .nav-menu, .header-actions {
        display: none;
      }
      .drawer-toggle {
        display: block;
      }
      .download-grid {
        grid-template-columns: 1fr;
      }
      .steps-grid {
        grid-template-columns: 1fr;
      }
      .footer-container {
        grid-template-columns: 1fr;
      }
    }