:root {
    --blue: #0096dc;
    --text: #687d86;
    --muted: #60727b;
    --line: #e3e9ec;
    --panel: #f0f3f4;
  }
  *, *::before, *::after { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; }
  body {
    margin: 0;
    background: #ffffff;
    color: var(--text);
    font-family: "Open Sans", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.65;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }
  main {
    flex: 1;
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
    padding: 64px 24px 40px;
  }
  .top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; margin: 0 0 40px; }
  .logo { display: block; width: 220px; max-width: 70%; height: auto; margin: 0; }
  .nav { display: flex; flex: none; gap: 28px; align-self: center; }
  .nav a {
    font-family: "Varela Round", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 1rem;
    color: var(--muted);
    text-decoration: none;
    padding: 6px 0;
    border-bottom: 2px solid transparent;
  }
  .nav a:hover, .nav a:focus-visible { color: var(--blue); }
  .nav a[aria-current="page"] { color: var(--blue); border-bottom-color: var(--blue); }
  .nav a:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; border-radius: 2px; }
  .logo-link { display: block; width: 220px; max-width: 70%; }
  .logo-link .logo { width: 100%; max-width: none; }
  h1, h2 {
    font-family: "Varela Round", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    font-weight: 400;
    color: var(--blue);
    line-height: 1.25;
  }
  h1 { font-size: clamp(1.75rem, 5vw, 2.4rem); margin: 0 0 20px; }
  h2 { font-size: 1.2rem; margin: 0 0 16px; }
  p { margin: 0 0 16px; }
  .lead { font-size: 1.05rem; }
  a { color: var(--blue); text-decoration: underline; text-underline-offset: 2px; }
  a:hover, a:focus-visible { color: #0a69ab; }
  .contact {
    margin: 40px 0 32px;
    padding: 28px;
    background: var(--panel);
    border-radius: 12px;
  }
  .contact dl { margin: 0; display: grid; grid-template-columns: 9rem 1fr; gap: 10px 16px; }
  .contact dt { font-weight: 600; color: var(--muted); }
  .contact dd { margin: 0; overflow-wrap: anywhere; }
  .form {
    margin: 0 0 32px;
    padding: 28px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: 0 1px 2px rgba(20, 50, 64, 0.04), 0 10px 28px rgba(20, 50, 64, 0.07);
  }
  .form form { margin: 0; display: grid; gap: 12px; }
  .form label { display: block; font-weight: 600; color: var(--muted); margin: 0 0 4px; }
  .form .optional { font-weight: 400; font-size: 0.85rem; }
  .form input, .form textarea {
    display: block;
    width: 100%;
    max-width: 100%;
    padding: 7px 10px;
    font: inherit;
    color: var(--text);
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 8px;
  }
  .form textarea { min-height: 6rem; resize: vertical; }
  .form input:focus, .form textarea:focus { outline: 2px solid var(--blue); outline-offset: 1px; border-color: var(--blue); }
  .form .hp { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
  .form .cf-turnstile { max-width: 100%; overflow: hidden; }
  .form button {
    justify-self: start;
    padding: 10px 22px;
    font: inherit;
    font-weight: 600;
    color: #ffffff;
    background: var(--blue);
    border: 0;
    border-radius: 8px;
    cursor: pointer;
  }
  .form button:hover { background: #0a69ab; }
  .form button:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
  .note { font-size: 0.95rem; color: var(--muted); }
  .tag { font-size: 0.85rem; color: var(--muted); }
  footer {
    border-top: 1px solid var(--line);
    padding: 24px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--muted);
  }
  footer p { margin: 0 0 6px; }
  @media (min-width: 900px) {
    main {
      max-width: 1080px;
      padding: 48px 24px;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      grid-template-rows: auto auto auto auto auto 1fr;
      grid-template-areas:
        "logo    logo"
        "title   form"
        "lead    form"
        "contact form"
        "note    form"
        ".       form";
      column-gap: 48px;
      align-items: start;
    }
    .top { grid-area: logo; margin-bottom: 40px; }
    main > h1 { grid-area: title; }
    .lead { grid-area: lead; }
    .contact {
      grid-area: contact;
      margin: 16px 0 24px;
      padding: 24px 0 0;
      background: none;
      border-top: 1px solid var(--line);
      border-radius: 0;
    }
    .contact dl { gap: 6px 16px; }
    .form { grid-area: form; margin: 0; }
    .note { grid-area: note; margin: 0; }
    main.page { display: block; max-width: 760px; }
  }
  @media (max-width: 480px) {
    main { padding: 40px 20px 32px; }
    .top { margin-bottom: 36px; }
    .contact { padding: 22px 20px; }
    .contact dl { grid-template-columns: 1fr; gap: 2px; }
    .contact dd { margin-bottom: 12px; }
    .contact dd:last-child { margin-bottom: 0; }
    .form { padding: 22px 20px; }
    .nav { gap: 20px; }
    .nav a { font-size: 0.95rem; }
  }
  .release { margin: 24px 0 0; }
  .release-meta { font-family: "Open Sans", system-ui, sans-serif; font-size: 0.9rem; color: var(--muted); margin-left: 8px; }
  table.downloads { width: 100%; border-collapse: collapse; font-size: 0.9rem; line-height: 1.4; }
  table.downloads th, table.downloads td { padding: 4px 8px; text-align: left; vertical-align: baseline; }
  table.downloads tr.group th {
    background: var(--panel);
    color: var(--text);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 5px 8px;
  }
  table.downloads tbody + tbody tr.group th { border-top: 8px solid #ffffff; }
  table.downloads td { border-bottom: 1px solid var(--panel); }
  table.downloads td a { font-weight: 600; text-decoration: none; }
  table.downloads td a:hover, table.downloads td a:focus-visible { text-decoration: underline; }
  table.downloads .file { color: var(--muted); font-size: 0.8rem; font-family: ui-monospace, Consolas, monospace; }
  table.downloads .size { text-align: right; white-space: nowrap; color: var(--muted); }
  .previous { margin: 24px 0 0; }
  .previous summary {
    border-top: 1px solid var(--line);
    padding: 12px 0;
    color: var(--blue);
    cursor: pointer;
  }
  .previous summary:hover, .previous summary:focus-visible { color: #0a69ab; }
  .previous .release { margin-top: 4px; }
  @media (max-width: 520px) {
    table.downloads .file { display: none; }
  }