*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    
    html {
      scroll-behavior: smooth;
    }

    body {
      background-color: #f3f4f6;
      font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
      min-height: 100vh;
      color: #0d1117;
    }

    .container {
      max-width: 960px;
      margin: 0 auto;
      padding: 0 32px;
    }

    /* NAV */
    header {
      border-bottom: 1px solid #e5e7eb;
    }
    nav {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 40px;
      padding: 20px 32px;
      max-width: 960px;
      margin: 0 auto;
    }
    nav a {
      text-decoration: none;
      color: #1a2c23;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.12em;
      transition: color 0.15s;
    }
    nav a:hover { color: #2ecc71; }

    /* HERO */
    .hero {
      border-bottom: 1px solid #e5e7eb;
      padding: 56px 32px 64px;
    }
    .hero-inner {
      max-width: 960px;
      margin: 0 auto;
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 32px;
    }
    .hero-text { max-width: 480px; }
    h1 {
      font-size: clamp(26px, 4vw, 40px);
      font-weight: 700;
      letter-spacing: 0.02em;
      line-height: 1.15;
      color: #0d1117;
      text-transform: uppercase;
      margin-bottom: 16px;
    }
    .tagline {
      font-size: 16px;
      font-style: italic;
      font-weight: 700;
      color: #1a2c23;
      margin-bottom: 14px;
    }
    .hero-desc {
      font-size: 13px;
      color: #4b5563;
      line-height: 1.7;
      margin-bottom: 28px;
      max-width: 380px;
    }
    .btn-row { display: flex; gap: 12px; flex-wrap: wrap; }

    .btn-install {
      background-color: #2ecc71;
      color: #0d1117;
      border: none;
      padding: 10px 22px;
      font-family: inherit;
      font-weight: 700;
      font-size: 13px;
      letter-spacing: 0.05em;
      border-radius: 6px;
      cursor: pointer;
      transition: background-color 0.15s, transform 0.1s;
      box-shadow: 3px 3px 0px #1a3d2b;
    }
    .btn-install a {
      text-decoration: none;
      color: #0d1117;
    }
    .btn-install:hover { background-color: #27ae60; transform: translateY(-1px); }
    .btn-install:active { transform: translateY(1px); box-shadow: 1px 1px 0px #1a3d2b; }

    .btn-github {
      background-color: #1a2c23;
      color: #f3f4f6;
      border: none;
      padding: 10px 22px;
      font-family: inherit;
      font-weight: 700;
      font-size: 13px;
      letter-spacing: 0.05em;
      border-radius: 6px;
      cursor: pointer;
      transition: background-color 0.15s, transform 0.1s;
      box-shadow: 3px 3px 0px #0a1510;
    }
    .btn-github:hover { background-color: #0d1117; transform: translateY(-1px); }
    .btn-github:active { transform: translateY(1px); box-shadow: 1px 1px 0px #0a1510; }

    /* PIXEL GRID */
    .pixel-grid {
      display: flex;
      flex-direction: column;
      gap: 6px;
      padding-top: 8px;
      flex-shrink: 0;
    }
    .pixel-row { display: flex; gap: 6px; }
    .pixel {
      width: 28px;
      height: 28px;
      border-radius: 3px;
    }

    /* SECTIONS */
    section {
      border-bottom: 1px solid #e5e7eb;
      padding: 56px 32px;
    }
    section:last-of-type { border-bottom: none; }
    .section-inner { max-width: 960px; margin: 0 auto; }

    .section-label {
      font-size: 11px;
      letter-spacing: 0.2em;
      color: #6b7280;
      font-weight: 700;
      margin-bottom: 32px;
      text-transform: uppercase;
    }

    /* FEATURE CARDS */
    .cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
    }
    .card {
      background: #fff;
      border: 1px solid #e5e7eb;
      border-radius: 6px;
      padding: 20px 20px 22px;
    }
    .card-icon {
      font-size: 20px;
      color: #2ecc71;
      margin-bottom: 10px;
    }
    .card-title {
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.12em;
      color: #0d1117;
      margin-bottom: 10px;
      text-transform: uppercase;
    }
    .card-desc {
      font-size: 12px;
      color: #6b7280;
      line-height: 1.7;
    }

    /* STEPS */
    .steps { display: flex; flex-direction: column; gap: 24px; max-width: 560px; }
    .step { display: flex; gap: 16px; align-items: flex-start; }
    .step-num {
      width: 32px; height: 32px;
      background-color: #1a2c23;
      color: #2ecc71;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      font-weight: 700;
      flex-shrink: 0;
    }
    .step-title {
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.1em;
      color: #0d1117;
      margin-bottom: 6px;
      text-transform: uppercase;
    }
    .step-body {
      font-size: 12px;
      color: #6b7280;
      line-height: 1.7;
    }

    /* MAINTENANCE NOTICE */
    .notice-section { border-bottom: none; padding-bottom: 40px; }
    .notice {
      border: 1.5px solid #fbbf24;
      border-left: 4px solid #f59e0b;
      border-radius: 5px;
      padding: 16px 20px;
      background: #fffbeb;
      display: flex;
      gap: 12px;
      align-items: flex-start;
      max-width: 960px;
      margin: 0 auto;
    }
    .notice-icon { font-size: 15px; margin-top: 1px; flex-shrink: 0; }
    .notice-title {
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.14em;
      color: #92400e;
      margin-bottom: 5px;
      text-transform: uppercase;
    }
    .notice-body { font-size: 12px; color: #78350f; line-height: 1.7; }

    /* FOOTER */
    footer {
      border-top: 1px solid #e5e7eb;
      padding: 20px 32px;
      display: flex;
      flex-direction: row;
      justify-content: space-between;
    }
    footer .socials {
        display: flex;
        gap: 20px;
    }
    footer p, footer a {
        font-size: 11px;
        color: #9ca3af;
        letter-spacing: 0.08em;
        line-height: 20px;
    }

    @media (max-width: 600px) {
      .pixel-grid { display: none; }
      nav { gap: 24px; }
    }