/* Examen Silentii: ink and instrument brass */
:root {
  --paper: #FBFBF9;
  --ink: #1E2A3A;
  --ink-soft: #4A5566;
  --brass: #9C7A2E;
  --rule: #D9DDE2;
  --wash: #EEF1F4;
  --serif: "Spectral", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans Condensed", "Arial Narrow", system-ui, sans-serif;
  --measure: 40rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #12171E;
    --ink: #E4E8EE;
    --ink-soft: #A9B2BF;
    --brass: #C9A24E;
    --rule: #2C3542;
    --wash: #1A212B;
  }
  .mark img, .brand img { filter: invert(0.88) hue-rotate(180deg) saturate(1.4); }
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 112.5%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}
.wrap { max-width: 56rem; margin: 0 auto; padding: 0 1.25rem; }

a { color: var(--ink); text-decoration-color: var(--brass); text-decoration-thickness: 1.5px; text-underline-offset: 0.18em; }
a:hover { color: var(--brass); }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--paper); padding: 0.4rem 0.8rem; z-index: 10; }

/* Header */
.site-header { border-bottom: 1px solid var(--rule); }
.header-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.6rem 1.5rem; padding-top: 0.9rem; padding-bottom: 0.9rem; }
.brand { display: flex; align-items: center; gap: 0.55rem; text-decoration: none; font-weight: 600; font-size: 1.15rem; letter-spacing: 0.01em; }
.site-nav { display: flex; flex-wrap: wrap; gap: 0.2rem 1.1rem; font-family: var(--sans); font-size: 0.95rem; }
.site-nav a { text-decoration: none; color: var(--ink-soft); padding: 0.15rem 0; border-bottom: 2px solid transparent; }
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--brass); }

/* Masthead (home) */
.masthead { display: grid; grid-template-columns: minmax(9rem, 13rem) 1fr; gap: 2.5rem; align-items: center; padding: 3.5rem 0 2.5rem; border-bottom: 1px solid var(--rule); }
.mark { margin: 0; }
.mark img { width: 100%; height: auto; display: block; }
.mark figcaption { font-style: italic; color: var(--ink-soft); font-size: 0.9rem; text-align: center; margin-top: 0.4rem; }
.masthead h1 { font-size: clamp(2.4rem, 6vw, 3.6rem); line-height: 1.05; font-weight: 500; margin: 0; letter-spacing: -0.01em; }
.subtitle { font-family: var(--sans); color: var(--brass); font-size: 1.05rem; margin: 0.5rem 0 1.2rem; }
.lede { font-size: 1.2rem; line-height: 1.55; max-width: 32rem; margin: 0; }

/* Text pages */
.page { max-width: var(--measure); padding: 2.5rem 0 3.5rem; }
.page h1 { font-size: 2.1rem; font-weight: 500; line-height: 1.15; margin: 0 0 1.5rem; }
.page h2 { font-size: 1.35rem; font-weight: 600; margin: 2.2rem 0 0.6rem; }
.page h3 { font-size: 1.1rem; font-weight: 600; margin: 1.8rem 0 0.4rem; }
.page p, .page li { hyphens: auto; }
.page ul, .page ol { padding-left: 1.3rem; }
.page li { margin: 0.3rem 0; }
.page blockquote { margin: 1.2rem 0; padding: 0.2rem 0 0.2rem 1rem; border-left: 3px solid var(--brass); color: var(--ink-soft); }
.page table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
.page th, .page td { text-align: left; padding: 0.45rem 0.6rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
.page code { font-size: 0.88em; background: var(--wash); padding: 0.05em 0.3em; border-radius: 3px; }
.home { padding-top: 1.5rem; }
.status p { margin: 0; }
.status { background: var(--wash); padding: 1rem 1.2rem; border-left: 3px solid var(--brass); }
.dateline { font-family: var(--sans); color: var(--ink-soft); margin: 0 0 0.3rem; }
.news-list { list-style: none; padding: 0; }
.news-list li { margin: 0 0 1.2rem; }
.news-list time { display: block; font-family: var(--sans); color: var(--ink-soft); font-size: 0.9rem; }
.back { margin-top: 2.5rem; font-family: var(--sans); }

/* Footer */
.site-footer { border-top: 1px solid var(--rule); color: var(--ink-soft); font-size: 0.88rem; }
.footer-inner { padding-top: 1.5rem; padding-bottom: 2.5rem; max-width: 56rem; }
.footer-inner p { margin: 0.3rem 0; max-width: 46rem; }
.footer-name { font-weight: 600; color: var(--ink); }
.site-footer a { color: var(--ink-soft); }

@media (max-width: 40rem) {
  html { font-size: 106%; }
  .masthead { grid-template-columns: 1fr; gap: 1.2rem; padding-top: 2rem; }
  .mark { max-width: 9rem; }
  .mark figcaption { text-align: left; }
}