/* TOP — site-wide stylesheet
 *
 * Shared CSS for every TOP page. Linked from _layouts/default.html.
 * Page-specific styles (per-page component cards, status badges, etc.)
 * live in inline <style> blocks on the relevant page.
 *
 * Sections:
 *   1. Reset + base body / page container
 *   2. Site chrome (header, nav, footer)
 *   3. Typography baseline (titles, sections, paragraphs, lists)
 *   4. Reusable components (.inline, tables, pull-quotes, .yes-no)
 *   5. Link colors + hover
 */


/* ====================================================================
 * 1. Reset + base body / page container
 * ==================================================================== */

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Charter", "Iowan Old Style", "Source Serif Pro", Georgia, serif;
  color: #1a1a1a;
  background: #f4f4f1;
  padding: 32px 32px 40px;
  line-height: 1.6;
  font-size: 15px;
}

.page {
  max-width: 740px;
  margin: 0 auto;
  background: #fff;
  padding: 44px 56px 48px;
  border: 1px solid #d6d6cf;
  border-radius: 3px;
}


/* ====================================================================
 * 2. Site chrome (header, nav, footer)
 * ==================================================================== */

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 18px;
  margin-bottom: 8px;
  border-bottom: 1px solid #e0e0d8;
}
.site-header .site-logo { display: block; flex-shrink: 0; }
.site-header .site-logo img { display: block; height: auto; max-width: 210px; }
.site-header .site-meta {
  text-align: right;
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}
.site-header .site-meta-primary { font-size: 13px; font-weight: 700; color: #111; }
.site-header .site-meta-secondary {
  font-size: 10.5px;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 3px;
}

.site-nav-links {
  text-align: center;
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  margin: 8px 0 20px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e0e0d8;
}
.site-nav-links a {
  color: #0e7490;
  text-decoration: none;
  font-weight: 600;
  margin: 0 6px 8px;
  font-size: 12px;
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}
.site-nav-links strong {
  font-weight: 700;
  font-size: 12px;
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}
.site-nav-links a:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.site-footer {
  text-align: center;
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  border-top: 1px solid #e0e0d8;
  margin-top: 32px;
}
.site-footer .site-footer-sponsor { margin: 18px 0 14px; }
.site-footer .site-footer-sponsor a {
  display: inline-block;
  transition: opacity 0.15s ease;
}
.site-footer .site-footer-sponsor a:hover { opacity: 0.75; }
.site-footer .site-footer-sponsor img { max-width: 200px; height: auto; }
.site-footer .site-footer-license {
  font-size: 10.5px;
  color: #888;
  font-style: italic;
}


/* ====================================================================
 * 3. Typography baseline
 * ==================================================================== */

h1.title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.018em;
  color: #111;
  margin-bottom: 4px;
}

.subtitle {
  font-size: 18px;
  color: #555;
  font-style: italic;
  font-weight: 400;
  margin-bottom: 12px;
}

.doc-meta {
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 11px;
  color: #777;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}

.tagline {
  font-size: 17px;
  color: #1a1a1a;
  font-style: italic;
  border-left: 3px solid #0e7490;
  padding: 8px 0 8px 16px;
  margin-bottom: 28px;
  line-height: 1.45;
  font-weight: 600;
}

h2.section {
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #0e7490;
  margin: 32px 0 12px;
}

h2.block {
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #0e7490;
  margin: 38px 0 14px;
  padding-bottom: 6px;
  border-bottom: 1px solid #e0e0d8;
}

p { margin-bottom: 14px; }
ul, ol { margin: 4px 0 14px 0; padding: 0 0 0 22px; }
li { padding: 3px 0; line-height: 1.55; }
strong { color: #111; }


/* ====================================================================
 * 4. Reusable components
 * ==================================================================== */

.inline {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 13px;
  background: #f0f0e9;
  padding: 1px 5px;
  border-radius: 2px;
  color: #0e7490;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 13px;
  margin: 6px 0 18px;
  border: 1px solid #d6d6cf;
  border-radius: 3px;
}
th, td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid #ececea;
  vertical-align: top;
}
th {
  background: #f4faf9;
  font-weight: 700;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #0e7490;
  border-bottom: 1px solid #d6d6cf;
}
tr:last-child td { border-bottom: none; }


/* ====================================================================
 * Home page (used by _layouts/home.html via index.html)
 * ==================================================================== */

.top-logo {
  text-align: center;
  margin-bottom: 18px;
}
.top-logo img {
  display: inline-block;
  max-width: 420px;
  height: auto;
}

.meta-strip {
  display: flex;
  justify-content: space-between;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 10.5px;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid #e0e0d8;
  padding-bottom: 12px;
  margin-bottom: 24px;
}

.lead {
  font-size: 15px;
  color: #1a1a1a;
  margin-bottom: 28px;
  line-height: 1.6;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.doc-list {
  margin: 6px 0 24px 0;
  padding: 0;
  list-style: none;
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 13.5px;
}
.doc-list li {
  padding: 12px 0;
  border-bottom: 1px solid #ececea;
}
.doc-list li:last-child { border-bottom: none; }
.doc-list a {
  color: #0e7490;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}
.doc-list a:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}
.doc-list .desc {
  color: #555;
  font-size: 12.5px;
  margin-top: 4px;
  line-height: 1.5;
}

.status-line {
  background: #fafaf6;
  border: 1px solid #e0e0d8;
  border-radius: 3px;
  padding: 10px 14px;
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 12px;
  color: #555;
  margin: 8px 0 12px;
  line-height: 1.55;
}
.status-line strong { color: #111; }

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 8px;
}
.category-grid .inline {
  text-align: center;
  padding: 10px;
}

.contribute-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.contribute-step {
  margin: 0;
  padding: 14px 16px;
  background: #fafaf6;
  border-left: 3px solid #0e7490;
  border-radius: 0 3px 3px 0;
  font-size: 14px;
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}
.contribute-step .step-title {
  font-weight: 700;
  color: #111;
  margin-bottom: 6px;
  font-size: 13px;
}

.sponsored-by {
  text-align: center;
  margin: 36px 0 18px;
}
.sponsored-by a {
  display: inline-block;
  transition: opacity 0.15s ease;
}
.sponsored-by a:hover { opacity: 0.75; }
.sponsored-by img {
  max-width: 200px;
  height: auto;
}

.footer {
  text-align: center;
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 11px;
  color: #888;
  font-style: italic;
  border-top: 1px solid #e0e0d8;
  padding-top: 16px;
}
.footer a { color: #888; text-decoration: underline; }
.footer a:hover { color: #0e7490; }

blockquote.pull-quote {
  margin: 18px 0 22px;
  padding: 14px 18px 12px;
  background: #fafaf6;
  border-left: 3px solid #0e7490;
  border-radius: 0 3px 3px 0;
}
blockquote.pull-quote p {
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 14px;
  color: #2a2a2a;
  font-style: italic;
  margin: 0;
}
blockquote.pull-quote cite {
  display: block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 11.5px;
  color: #666;
  font-style: normal;
}

.yes-no {
  background: #fafaf6;
  border: 1px solid #e0e0d8;
  border-radius: 3px;
  padding: 12px 14px;
  margin: 8px 0 16px;
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 13px;
}
.yes-no .label { font-weight: 700; color: #0e7490; }
.yes-no .no-label { color: #b53b3b; }


/* ====================================================================
 * 5. Link colors + hover
 * ==================================================================== */

a { color: #0e7490; }
a:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}


/* ====================================================================
 * 6. Markdown content rendering
 * ==================================================================== */
/* When Jekyll renders a markdown page, it doesn't emit our custom
 * h1.title / .subtitle / .doc-meta classes. These selectors make
 * plain markdown render acceptably with the site identity:
 * a bare <h1> looks like h1.title; a bare <h2> looks like h2.section;
 * code spans look like .inline. */

.markdown-content h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.018em;
  color: #111;
  margin-bottom: 16px;
}

.markdown-content h2 {
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #0e7490;
  margin: 32px 0 12px;
}

.markdown-content h3 {
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 22px 0 8px;
}

.markdown-content blockquote {
  margin: 18px 0 22px;
  padding: 12px 18px;
  background: #fafaf6;
  border-left: 3px solid #0e7490;
  border-radius: 0 3px 3px 0;
  color: #2a2a2a;
}
.markdown-content blockquote p:last-child { margin-bottom: 0; }

.markdown-content code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 13px;
  background: #f0f0e9;
  padding: 1px 5px;
  border-radius: 2px;
  color: #0e7490;
}

.markdown-content pre {
  background: #fafaf6;
  border: 1px solid #d6d6cf;
  border-left: 3px solid #0e7490;
  border-radius: 0 3px 3px 0;
  padding: 14px 18px;
  margin: 12px 0 18px;
  overflow-x: auto;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12.5px;
  line-height: 1.55;
}
.markdown-content pre code {
  background: none;
  padding: 0;
  color: #2a2a2a;
  font-size: 12.5px;
}

.markdown-content hr {
  border: none;
  border-top: 1px solid #e0e0d8;
  margin: 28px 0;
}


/* ====================================================================
 * 7. Responsive — mobile / narrow viewports
 * ==================================================================== */
@media (max-width: 640px) {
  body {
    padding: 12px 12px 24px;
    font-size: 14px;
  }
  .page {
    padding: 20px 18px 24px;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  /* Stack site header vertically: logo on top, meta below. */
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-bottom: 14px;
  }
  .site-header .site-logo img { max-width: 180px; }
  .site-header .site-meta { text-align: left; }

  /* Nav links: smaller font, allow natural wrapping with comfortable spacing. */
  .site-nav-links {
    font-size: 11.5px;
    line-height: 1.9;
    margin: 6px 0 18px;
  }
  .site-nav-links a,
  .site-nav-links strong {
    margin: 0 2px;
    font-size: 11.5px;
  }

  /* Typography reflow */
  h1.title { font-size: 26px; }
  .subtitle { font-size: 16px; }
  .tagline { font-size: 15px; padding-left: 12px; }
  h2.section, h2.block { font-size: 12px; margin-top: 24px; }

  /* Tables can't fit narrow screens — let them scroll horizontally. */
  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
    font-size: 12px;
  }

  /* Home page: logo and grids reflow */
  .top-logo img { max-width: 100%; }
  .meta-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .lead { font-size: 15px; }

  /* Manifesto signature grid: single column */
  .sig-grid { grid-template-columns: 1fr !important; }

  /* Core spec: stats wrap, leaves stack */
  .stats { flex-wrap: wrap; gap: 14px; }
  .leaves { grid-template-columns: 1fr !important; margin-left: 0 !important; }
  .arch { padding: 14px 16px; }

  /* Home page grids reflow */
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .contribute-grid { grid-template-columns: 1fr; }

  /* Code blocks: smaller text, allow horizontal scroll */
  pre.code-block { font-size: 11px; padding: 12px 14px; }

  /* Sponsor footer image cap */
  .site-footer .site-footer-sponsor img,
  .sponsored-by img { max-width: 160px; }
}