* { box-sizing: border-box; }
    body {
      margin: 0;
      background: #faf9f6;
      color: #24251f;
      font: 18px/1.7 system-ui, -apple-system, sans-serif;
    }
    main { max-width: 720px; margin: auto; padding: 56px 24px; }
    header { margin-bottom: 72px; font-weight: 600; }
    h1 {
      font-size: clamp(40px, 8vw, 64px);
      font-weight: 500;
      line-height: 1.1;
      letter-spacing: -.045em;
      margin: 0 0 32px;
    }
    h2 { font-size: 23px; font-weight: 500; margin: 36px 0 12px; }
    p { margin: 0 0 22px; }
    a { color: inherit; text-underline-offset: 4px; }
    a:focus-visible { outline: 2px solid #496348; outline-offset: 5px; }
    .lead { font-size: 23px; line-height: 1.5; }
    .actions { display: flex; flex-wrap: wrap; gap: 16px 24px; align-items: center; margin-top: 36px; }
    .button {
      padding: 12px 22px;
      background: #24251f;
      color: white;
      border-radius: 6px;
      text-decoration: none;
    }
    .button:hover { background: #45473c; }
    footer {
      margin-top: 56px;
      padding-top: 20px;
      border-top: 1px solid #dedfd7;
      font-size: 14px;
      color: #66685e;
    }
    @media (max-width: 600px) {
      main { padding: 32px 22px; }
      header { margin-bottom: 48px; }
    }

    header a { text-decoration: none; }
    form { display: grid; gap: 22px; margin-top: 32px; }
    label { display: grid; gap: 8px; }
    input, textarea { width: 100%; min-width: 0; padding: 12px; border: 1px solid #b9bcb1; border-radius: 6px; background: #fff; color: inherit; font: inherit; }
    textarea { resize: vertical; }
    input:focus-visible, textarea:focus-visible, button:focus-visible { outline: 2px solid #496348; outline-offset: 3px; }
    button { border: 0; font: inherit; cursor: pointer; justify-self: start; }
    .hint { font-size: 15px; color: #66685e; margin: 0; }

    pre { padding: 16px; background: #efeee8; border-radius: 6px; white-space: pre-wrap; overflow-wrap: anywhere; }
    code { font-size: .88em; }

    /* Short interaction pages keep their primary action in the first screen. */
    .interaction main { max-width: 640px; padding: 24px; }
    .interaction header { margin-bottom: 24px; }
    .interaction h1 { font-size: clamp(30px, 5vw, 40px); margin-bottom: 12px; }
    .interaction .lead { font-size: 18px; line-height: 1.45; margin-bottom: 0; }
    .interaction form { gap: 14px; margin-top: 20px; }
    .interaction label { gap: 4px; font-size: 16px; line-height: 1.4; }
    .interaction input, .interaction textarea { padding: 10px; font-size: 16px; line-height: 1.4; }
    .interaction input { min-height: 44px; }
    .interaction .button { min-height: 44px; padding: 8px 18px; font-size: 16px; }
    .interaction footer { margin-top: 24px; padding-top: 12px; }
    .interaction footer .actions { margin-top: 8px; gap: 8px 20px; }
    @media (max-width: 600px), (max-height: 700px) {
      .interaction main { padding: 16px 20px; }
      .interaction header { margin-bottom: 16px; }
      .interaction form { gap: 12px; margin-top: 16px; }
    }

    [hidden] { display: none !important; }
    #feedback-status:empty { display: none; }