* {
        box-sizing: border-box;
      }

      html,
      body {
        min-height: 100%;
      }

      body {
        margin: 0;
        background: #000;
        color: #f4f4f4;
        font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      }

      main {
        width: min(980px, 100%);
        margin: 0 auto;
        padding: clamp(22px, 5vw, 56px);
      }

      nav {
        display: flex;
        justify-content: space-between;
        gap: 18px;
        margin-bottom: 34px;
      }
      .article-header { max-width: 920px; margin: 0 auto clamp(64px, 10vw, 112px); text-align: center; }
      .eyebrow { margin: 0 0 22px; color: #888; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }
      .meta { margin: 24px 0 0; color: #888; font-size: .8rem; }

      a {
        color: #aaa;
        text-decoration: none;
      }

      a:hover,
      a:focus-visible {
        color: #fff;
        outline: none;
      }

      h1 {
        margin: 0;
        overflow-wrap: anywhere;
        font-size: clamp(3.2rem, 8vw, 5.2rem);
        line-height: 1.02;
        letter-spacing: -0.025em;
      }

      .summary {
        max-width: 700px;
        margin: 28px auto 0;
        color: #aaa;
        font-size: clamp(1rem, 2vw, 1.2rem);
        line-height: 1.7;
      }

      section {
        max-width: 760px;
        margin: 0 auto;
        padding: 0 0 64px;
      }

      h2 {
        margin: 0 0 24px;
        color: #fff;
        font-size: clamp(1.55rem, 3vw, 2rem);
        line-height: 1.15;
        font-weight: 700;
      }

      ul {
        display: grid;
        gap: 16px;
        margin: 0;
        padding: 0;
        list-style: none;
      }

      li {
        position: relative;
        padding-left: 22px;
        color: #ddd;
        line-height: 1.7;
      }

      li::before { content: "•"; position: absolute; left: 0; color: #888; }

      li strong {
        color: #fff;
        font-weight: 500;
      }

      code {
        padding: 0.05em 0.4em;
        border: 1px solid #242424;
        border-radius: 4px;
        background: #0c0c0c;
        color: #fff;
        font-size: 0.92em;
      }

      .file-list {
        display: grid;
        border: 1px solid #222;
        background: #050505;
      }

      .file-row {
        display: grid;
        grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
        gap: 18px;
        padding: 18px;
      }

      .file-row + .file-row {
        border-top: 1px solid #1c1c1c;
      }

      .file-row > a {
        color: #fff;
        overflow-wrap: anywhere;
      }

      .file-row > a:hover,
      .file-row > a:focus-visible {
        text-decoration: underline;
        outline: none;
      }

      .file-row strong {
        color: #999;
        font-weight: 400;
        line-height: 1.5;
      }

      .actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        max-width: 760px;
        margin: 0 auto;
        padding-top: 8px;
      }

      .actions a {
        display: inline-grid;
        place-items: center;
        min-height: 44px;
        padding: 0 16px;
        border: 1px solid #242424;
        border-radius: 6px;
        color: #ddd;
      }

      .actions a:hover,
      .actions a:focus-visible {
        background: #101010;
        text-decoration: none;
      }

      @media (max-width: 680px) {
        nav,
        .file-row {
          grid-template-columns: 1fr;
        }
        .article-header { text-align: left; }
        .summary { margin-left: 0; }
      }