/* About page: a plain reading page in the map's colors. Builds on style.css
   (colors, fonts, .eyebrow) but scrolls like a normal page. */

html.about-page,
html.about-page body {
  position: static;
  height: auto;
  overflow: visible;
}
html.about-page body { background: var(--ink); }

.about {
  max-width: 700px;
  margin: 0 auto;
  padding: 28px 20px 48px;
  font-family: "Barlow", var(--font-display);
  font-size: 18px;
  line-height: 1.55;
}
.about a { color: var(--text); text-decoration-color: var(--accent-muted); text-underline-offset: 3px; }
.about a:hover { text-decoration-color: var(--accent); }
.about a:focus-visible { outline: 2px solid var(--text); outline-offset: 2px; }

.about-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px 4px 4px;
  border: 1px solid var(--panel-border);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
}
.about .about-back { text-decoration: none; }
.about-back:hover { border-color: var(--text-dim); }
.about-back svg { width: 16px; height: 16px; stroke: currentColor; stroke-width: 2; fill: none; }

.about-header { margin: 28px 0 8px; padding-left: 18px; border-left: 3px solid var(--accent); }
.about-header h1 { font-size: 44px; }
.about-lede { margin: 10px 0 0; font-size: 20px; line-height: 1.45; }
.made-by { font-weight: 600; color: var(--accent); white-space: nowrap; } /* the app's amber, kept on one line */

.about-stats { margin: 22px 0 0; display: grid; grid-template-columns: repeat(4, auto); justify-content: start; gap: 8px 32px; }
.about-stats dt { font-family: var(--font-display); font-size: 12px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-dim); }
.about-stats dd { margin: 0; font-family: var(--font-data); font-size: 17px; font-variant-numeric: tabular-nums; }

.about section { margin-top: 38px; }
.about h2 {
  margin: 0 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--panel-border);
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.about h2 { scroll-margin-top: 20px; } /* links like about.html#ai land with a little room above */
.about h3 { margin: 22px 0 6px; font-family: var(--font-display); font-size: 17px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-dim); }
.about p { margin: 0 0 12px; }
.about-counts td { font-family: var(--font-data); font-size: 0.88em; font-weight: 500; font-variant-numeric: tabular-nums; }

.about-counts { width: 100%; margin: 4px 0 18px; border-collapse: collapse; }
.about-counts th, .about-counts td { padding: 6px 0; border-bottom: 1px solid rgba(58, 64, 51, 0.7); vertical-align: baseline; }
.about-counts th { padding-right: 16px; font-weight: 400; text-align: left; }
.about-counts td { text-align: right; white-space: nowrap; }
.about-counts .is-total th, .about-counts .is-total td { border-bottom: 0; border-top: 1px solid var(--text-dim); font-weight: 600; color: var(--accent); }

/* RAF and USAAF records per year */
.about-chart { margin: 12px 0 4px; }
.year-table { width: 100%; border-collapse: collapse; font-family: var(--font-data); font-size: 12px; font-variant-numeric: tabular-nums; }
.year-table caption { margin-bottom: 6px; font-family: var(--font-display); font-size: 12px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; text-align: left; color: var(--text-dim); }
.year-table thead th { padding-bottom: 4px; font-weight: 400; text-align: left; color: var(--text-dim); }
.year-table th[scope="row"] { width: 3.5em; padding: 3px 0; font-weight: 400; text-align: left; color: var(--text-dim); }
.year-table td { padding: 3px 12px 3px 0; white-space: nowrap; }
.year-bar-raf, .year-bar-usaaf { display: inline-block; width: calc((100% - 4.5em) * var(--share)); height: 8px; margin-right: 6px; vertical-align: 0; } /* room left for the count */
.year-bar-raf, .key-raf { background: var(--raf); }
.year-bar-usaaf, .key-usaaf { background: var(--usaaf); }
.year-table td { width: 45%; }
.key { display: inline-block; width: 8px; height: 8px; margin-right: 6px; }

/* The data log, rendered from web/content/process_log.md */
.about-log { margin-top: 18px; padding: 14px 18px 4px; border: 1px solid var(--panel-border); background: rgba(221, 213, 186, 0.03); }
.about-log h3 { margin: 0 0 10px; color: var(--accent); letter-spacing: 0.08em; }
.about-log hr { margin: 18px 0; border: 0; border-top: 1px solid var(--panel-border); }
.about-log table { width: 100%; margin: 4px 0 14px; border-collapse: collapse; font-size: 16px; }
.about-log th, .about-log td { padding: 5px 8px 5px 0; border-bottom: 1px solid rgba(58, 64, 51, 0.7); text-align: left; }
.about-log th { font-family: var(--font-display); font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-dim); }
.about-log td.num { font-family: var(--font-data); font-size: 14px; font-variant-numeric: tabular-nums; }
.about-log .num { text-align: right; }
.about-log code { font-family: var(--font-data); font-size: 0.82em; color: var(--text-dim); }

/* Tables of findings, gaps and credits. On phones each row becomes a small card. */
.about-table { width: 100%; margin: 8px 0 16px; border-collapse: collapse; font-size: 16px; line-height: 1.45; }
.about-table th, .about-table td { padding: 9px 14px 9px 0; border-bottom: 1px solid rgba(58, 64, 51, 0.7); text-align: left; vertical-align: top; }
.about-table thead th { padding-bottom: 6px; border-bottom-color: var(--panel-border); font-family: var(--font-display); font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-dim); }
.about-table td.count { width: 7.5em; font-family: var(--font-data); font-size: 14px; color: var(--accent); text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.about-table td.count span { font-family: var(--font-data); }
.cleanup-table td:first-child { width: 40%; }
.cleanup-table thead th:nth-child(2) { text-align: right; } /* over its right-aligned numbers */
.gaps-table td:first-child { width: 55%; }
.about-table span[data-count] { font-family: var(--font-data); font-size: 0.88em; font-variant-numeric: tabular-nums; }
.credits-table th[scope="row"] { width: 10em; padding-top: 11px; font-family: var(--font-display); font-size: 13px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim); }

.about-footer { margin-top: 44px; padding-top: 16px; border-top: 1px solid var(--panel-border); font-family: var(--font-data); font-size: 12px; color: var(--text-dim); }

@media (max-width: 700px) {
  .about { padding: 18px 16px 40px; font-size: 17px; }
  .about-header { padding-left: 14px; }
  .about-header h1 { font-size: 32px; }
  .about-lede { font-size: 18px; }
  .about-stats { grid-template-columns: repeat(2, auto); gap: 10px 24px; }
  /* Tables as stacked cards: the first cell is the heading, the rest are labeled */
  .about-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .about-table, .about-table tbody, .about-table tr, .about-table th, .about-table td { display: block; width: auto; }
  .about-table tr { padding: 10px 0 12px; border-bottom: 1px solid rgba(58, 64, 51, 0.7); }
  .about-table th, .about-table td { padding: 0; border: 0; }
  .about-table td:first-child { font-weight: 600; }
  .about-table td[data-label] { margin-top: 6px; }
  .about-table td[data-label]::before {
    content: attr(data-label);
    display: block;
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-dim);
  }
  .about-table td.count { width: auto; text-align: left; font-size: 15px; }
  .cleanup-table td:first-child, .gaps-table td:first-child { width: auto; }
  .credits-table th[scope="row"] { width: auto; padding-top: 0; }
  .credits-table td { margin-top: 2px; }
}