/* Cait Masthead */
    .cait-masthead { border-bottom: 1px solid var(--color-divider); background: color-mix(in srgb, var(--color-bg) 85%, transparent); position: sticky; top: 0; z-index: 100; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
    .masthead-inner { max-width: 1120px; margin: 0 auto; padding: 10px 24px; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
    .masthead-wordmark { text-decoration: none; display: flex; flex-direction: column; gap: 0; }
    .wordmark-name { display: inline-flex; align-items: baseline; font-size: 18px; font-weight: 600; color: var(--color-text); letter-spacing: 0.04em; line-height: 1.2; }
    .wordmark-element { margin: 0 -0.02em; color: var(--color-accent); font-family: 'Noto Sans Symbols 2', 'Segoe UI Symbol', sans-serif; font-size: 0.95em; font-weight: 400; text-shadow: 0 0 10px color-mix(in srgb, var(--color-accent) 45%, transparent); }
    .wordmark-sub { font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; color: color-mix(in srgb, var(--color-text) 45%, transparent); line-height: 1.3; }
    .masthead-wordmark:hover .wordmark-name { color: var(--color-accent); }
    .masthead-nav { display: flex; gap: 0; align-items: center; margin-left: auto; }
    .masthead-link { font-size: 13px; font-weight: 500; color: color-mix(in srgb, var(--color-text) 50%, transparent); text-decoration: none; padding: 6px 14px; position: relative; transition: color 0.15s; letter-spacing: 0.01em; }
    .masthead-link:hover { color: var(--color-text); }
    .masthead-link.is-active { color: var(--color-accent); }
    .masthead-link.is-active::after { content: ""; position: absolute; bottom: -11px; left: 14px; right: 14px; height: 2px; background: var(--color-accent); border-radius: 1px; }
    .masthead-status { display: flex; align-items: center; gap: 8px; }
    .masthead-tag { font-size: 10px !important; }
    @media (max-width: 720px) {
      .masthead-nav { order: 3; width: 100%; margin-left: 0; flex-direction: column; align-items: stretch; gap: 0; }
      .masthead-link { padding: 6px 0; }
      .masthead-link.is-active::after { display: none; }
      .masthead-link.is-active { border-left: 2px solid var(--color-accent); padding-left: 10px; }
      .masthead-status { margin-left: auto; }
    }