/* Shared design layer for davidhilmerrex.nu and /metascience.
   Loaded after each page's own <style>, so it overrides layout and type
   while pages keep their structure. Layout: white reading surface, quiet
   tinted sidebar, boxes only around things you click. */

:root {
  --page: #ffffff;
  --side: #f6f8fb;
  --rule: #e1e7ef;
  --tint: #eef3fa;
  --ink: #141c27;
  --text: #2a3441;
  --muted: #667892;
  --accent: #1f4f99;
  --accent-strong: #163c78;
  --sans: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  --serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
}

html, body { background: var(--page); }
body { font-family: var(--sans); color: var(--text); }
a { color: var(--accent); }
a:hover { color: var(--accent-strong); }
h1, h2, h3 { color: var(--ink); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ── Sidebar and content surfaces ── */
.sidebar, .bio {
  background: var(--side);
  border: 0;
  border-radius: 0;
}
.main-content { background: transparent; }
.content-card, .prose-card, .content {
  background: transparent;
  border: 0;
  border-radius: 0;
}

@media (min-width: 769px) {
  .sidebar, .bio {
    border-right: 1px solid var(--rule);
    margin: 0;
    top: 0;
    height: 100vh;
  }
  .content { margin: 0; padding: 40px 48px 64px; }
  .content-card, .prose-card { padding-left: 8px; padding-right: 8px; }
}

@media (max-width: 768px) {
  .sidebar, .bio { border-bottom: 1px solid var(--rule); margin: 0; }
  .content { margin: 0; padding: 24px 16px 48px; }
}

/* Metascience home: the intro text is no longer a box inside a box */
.intro-row > .intro { border: 0; background: transparent; padding: 0; }

/* ── Primers: set as publications ── */
.primer .prose-card { max-width: 700px; }
.primer .prose-card h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 36px;
  line-height: 1.18;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
.primer .prose-card p,
.primer .prose-card li {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.7;
  color: var(--text);
}
.primer .prose-card p.intro { font-size: 19px; }
.primer .prose-card p.byline,
.primer .prose-card p.eyebrow {
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.5;
}
.primer .prose-card .footnotes li,
.primer .prose-card .further-reading li {
  font-size: 15.5px;
  line-height: 1.6;
}
.primer .prose-card h2 { text-wrap: balance; }
.primer .prose-card .cite {
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--rule);
  padding-top: 16px;
  margin-top: 44px;
}
@media (max-width: 768px) {
  .primer .prose-card h1 { font-size: 28px; }
  .primer .prose-card p, .primer .prose-card li { font-size: 17px; }
  .primer .prose-card p.intro { font-size: 18px; }
}

/* ── Main homepage ── */
.hero { margin: 0 0 40px 0; max-width: 760px; }
.hero-statement {
  font-family: var(--serif);
  font-size: 32px;
  line-height: 1.25;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin: 0 0 16px 0;
  text-wrap: balance;
}
.hero-sub { font-size: 17px; line-height: 1.6; color: var(--text); margin: 0 0 18px 0; }
.hero-links { font-size: 15px; display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0 0 14px 0; }
.hero-links a { font-weight: 600; }
@media (max-width: 768px) {
  .hero-statement { font-size: 25px; }
  .hero-sub { font-size: 16px; }
}

/* Sidebar without a bio line: the name's rule already separates the links */
.bio h1 + .bio-links, .site-name + .bio-links { border-top: 0; margin-top: 0; padding-top: 0; }

/* Contact links sit below the section menu, quieter than it */
.bio-contact {
  margin-top: 22px;
  padding: 14px 8px 0;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  font-size: 13px;
}
.bio-contact-label {
  flex-basis: 100%;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2px;
}
.bio-contact a { color: var(--muted); }
.bio-contact a:hover { color: var(--accent); }
@media (max-width: 768px) {
  .bio-contact { margin-top: 12px; padding-top: 12px; }
}