/* Axia Research — editorial theme: navy on cream */

:root {
  --navy: #16233f;
  --navy-deep: #0d1730;
  --cream: #faf6ec;
  --cream-card: #f2ead9;
  --ink: #1e2430;
  --ink-soft: #55596b;
  --accent: #a17a35;
  --accent-deep: #7e5f27;
  --rule: #e2d9c3;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max: 760px;
  --max-wide: 980px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 24px;
}

.skip a {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy);
  color: var(--cream);
  padding: 8px 16px;
  z-index: 100;
}
.skip a:focus { left: 12px; top: 12px; }

a { color: var(--navy); text-decoration-color: var(--rule); text-underline-offset: 3px; }
a:hover { color: var(--accent-deep); }

/* Header */
.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--cream);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 18px 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 18px;
  color: var(--navy);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--cream);
  font-family: var(--serif);
  font-weight: 700;
  font-size: 16px;
}
.brand-text { font-family: var(--serif); font-weight: 600; font-size: 19px; }

.site-nav {
  display: flex;
  gap: 22px;
  font-family: var(--sans);
  font-size: 14.5px;
  flex-wrap: wrap;
}
.nav-link {
  color: var(--ink-soft);
  text-decoration: none;
  padding: 4px 2px;
  border-bottom: 2px solid transparent;
}
.nav-link:hover { color: var(--navy); }
.nav-active { color: var(--navy); border-bottom-color: var(--accent); font-weight: 500; }

/* Hero */
.hero {
  border-bottom: 1px solid var(--rule);
  padding: 56px 0 40px;
}
.hero-title {
  font-size: clamp(34px, 6vw, 52px);
  margin: 0 0 8px;
  color: var(--navy);
  letter-spacing: -0.01em;
}
.hero-tagline {
  font-family: var(--sans);
  color: var(--accent-deep);
  font-size: 16px;
  font-weight: 500;
  margin: 0 0 18px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.hero-body {
  max-width: var(--max);
  color: var(--ink-soft);
  font-size: 19px;
}

/* Section headings */
.section-heading {
  font-size: 22px;
  margin: 44px 0 20px;
  color: var(--navy);
}
.eyebrow {
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 13px;
  color: var(--accent-deep);
  font-weight: 600;
  margin: 0 0 10px;
}
.eyebrow a { color: inherit; text-decoration: none; }
.page-title {
  font-size: clamp(28px, 5vw, 40px);
  margin: 0 0 12px;
  color: var(--navy);
}
.page-lede {
  color: var(--ink-soft);
  max-width: var(--max);
  font-size: 18px;
  margin-bottom: 12px;
}
.section-page { padding: 48px 0 64px; }

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
  margin: 24px 0 60px;
}
.card {
  background: var(--cream-card);
  border: 1px solid var(--rule);
  border-radius: 6px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(22,35,63,0.08); }
.card-link { display: block; padding: 22px 22px 24px; text-decoration: none; color: inherit; }
.card-meta {
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
}
.tag {
  font-weight: 600;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 11.5px;
}
.card-title {
  font-size: 20px;
  margin: 0 0 8px;
  color: var(--navy);
  line-height: 1.3;
}
.card-summary {
  font-family: var(--sans);
  font-size: 14.5px;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.55;
}
.empty { color: var(--ink-soft); font-family: var(--sans); }

/* Post */
.post { padding: 48px 0 72px; max-width: var(--max); }
.post-title {
  font-size: clamp(30px, 5vw, 42px);
  color: var(--navy);
  margin: 0 0 10px;
  line-height: 1.2;
}
.post-meta {
  font-family: var(--sans);
  color: var(--ink-soft);
  font-size: 14px;
  margin: 0 0 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule);
}
.post-body p { margin: 0 0 20px; }
.post-body h2 { font-size: 26px; color: var(--navy); margin: 36px 0 14px; }
.post-body h3 { font-size: 21px; color: var(--navy); margin: 28px 0 12px; }
.post-body blockquote {
  margin: 24px 0;
  padding: 4px 22px;
  border-left: 3px solid var(--accent);
  color: var(--ink-soft);
  font-style: italic;
}
.post-body ul { margin: 0 0 20px; padding-left: 22px; }
.post-body li { margin-bottom: 8px; }
.post-body code {
  background: var(--cream-card);
  border: 1px solid var(--rule);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}
.post-body hr { border: none; border-top: 1px solid var(--rule); margin: 32px 0; }
.post-body figure.post-figure { margin: 28px 0; }
.post-body figure.post-figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  border-radius: 4px;
}
.post-body figure.post-figure figcaption {
  margin-top: 8px;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink-soft);
  text-align: center;
}
.post-body .table-wrap { overflow-x: auto; margin: 28px 0; }
.post-body table {
  border-collapse: collapse;
  width: 100%;
  font-family: var(--sans);
  font-size: 15px;
}
.post-body th, .post-body td {
  border: 1px solid var(--rule);
  padding: 8px 12px;
  text-align: left;
}
.post-body th { background: var(--cream-card); color: var(--navy); font-weight: 600; }
.post-body tr:nth-child(even) td { background: rgba(242, 234, 217, 0.35); }
.post-back { margin-top: 40px; font-family: var(--sans); font-size: 14.5px; }
.about-page .post-title { margin-bottom: 24px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule);
  margin-top: 40px;
  padding: 28px 0 40px;
  font-family: var(--sans);
}
.footer-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-soft);
}
.footer-meta a { color: var(--ink-soft); }

/* Responsive */
@media (max-width: 640px) {
  body { font-size: 17px; }
  .header-row { padding: 14px 18px; }
  .site-nav { gap: 14px; font-size: 13.5px; }
  .hero { padding: 40px 0 32px; }
  .card-grid { grid-template-columns: 1fr; }
  .footer-row { flex-direction: column; }
}