/* Text pages (blog, about, 404): readable long-form layout on the shared tokens in styles.css.
   Light by default, dark when the reader prefers it. */
:root {
  --page-bg: #f4f4f5;
  --page-fg: #18181b;
  --page-muted: #52525b;
  --page-card: #ffffff;
  --page-rule: #e4e4e7;
  --page-link: #1d4f8c;
  --page-accent: var(--crimson);
  --page-callout: #fff7ed;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --page-bg: #111214;
    --page-fg: #f4f4f5;
    --page-muted: #a1a1aa;
    --page-card: #1c1d21;
    --page-rule: #2e3036;
    --page-link: #7cb4f5;
    --page-callout: #241c14;
  }
  :root:not([data-theme="light"]) .cta {
    background: var(--navy-blue);
  }
}

/* styles.css locks html + body to the viewport for the full-screen 3D explainers; text pages
   (the only ones loading this file) must release both, or the document cannot scroll. */
html {
  height: auto;
  overflow: auto;
  background: var(--page-bg);
}

body.text-page {
  overflow: visible;
  user-select: auto;
  height: auto;
  min-height: 100%;
  background: var(--page-bg);
  color: var(--page-fg);
  font-size: var(--fs-md);
  line-height: 1.65;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--panel-border);
}

.site-header-inner,
.site-footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.site-brand {
  color: #ffffff;
  font-weight: 900;
  font-size: var(--fs-md);
  letter-spacing: -0.01em;
  text-decoration: none;
  margin-right: auto;
}

.site-brand span {
  color: var(--teal);
}

.site-nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.site-nav a {
  color: #e4e4e7;
  text-decoration: none;
  font-size: var(--fs-sm);
  font-weight: 700;
  padding: 8px 12px;
  border-radius: 8px;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.12);
  outline: none;
}

.page-main {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 20px 64px;
}

.page-main.wide {
  max-width: 1080px;
}

.breadcrumbs {
  font-size: var(--fs-sm);
  color: var(--page-muted);
  margin-bottom: 18px;
}

.breadcrumbs a {
  color: var(--page-muted);
}

.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.breadcrumbs li + li::before {
  content: "›";
  margin-right: 6px;
}

.page-main h1 {
  font-size: clamp(var(--fs-lg), 5vw, 44px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.page-main h2 {
  font-size: var(--fs-lg);
  line-height: 1.2;
  font-weight: 800;
  margin: 44px 0 12px;
}

.page-main h3 {
  font-size: var(--fs-md);
  font-weight: 800;
  margin: 26px 0 6px;
}

.page-main p,
.page-main ul,
.page-main ol {
  margin-bottom: 16px;
}

.page-main ul,
.page-main ol {
  padding-left: 24px;
}

.page-main li {
  margin-bottom: 6px;
}

.page-main a {
  color: var(--page-link);
  text-underline-offset: 3px;
}

.lede {
  font-size: 20px;
  color: var(--page-muted);
}

.byline {
  font-size: var(--fs-sm);
  color: var(--page-muted);
  margin-bottom: 26px;
}

.callout {
  background: var(--page-callout);
  border-left: 4px solid var(--page-accent);
  border-radius: 0 10px 10px 0;
  padding: 16px 20px;
  margin: 24px 0;
}

.callout h2 {
  margin-top: 0;
  font-size: var(--fs-md);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.callout ul {
  margin-bottom: 0;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--ink);
  color: #ffffff !important;
  text-decoration: none;
  font-weight: 800;
  font-size: var(--fs-sm);
  padding: 12px 18px;
  border-radius: 10px;
  margin: 8px 0 20px;
}

.cta:hover {
  background: var(--navy-blue);
}

.stat-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 24px;
  font-size: var(--fs-sm);
}

.stat-table th,
.stat-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--page-rule);
  vertical-align: top;
}

.stat-table th {
  font-weight: 800;
}

.faq details {
  background: var(--page-card);
  border: 1px solid var(--page-rule);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 10px;
}

.faq summary {
  font-weight: 800;
  cursor: pointer;
}

.faq details p {
  margin: 10px 0 0;
}

.sources {
  font-size: var(--fs-sm);
  color: var(--page-muted);
}

.sources li {
  margin-bottom: 8px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin: 20px 0;
}

.post-card {
  display: block;
  background: var(--page-card);
  border: 1px solid var(--page-rule);
  border-top: 5px solid var(--card-accent, var(--navy-blue));
  border-radius: 12px;
  padding: 20px 22px;
  color: var(--page-fg) !important;
  text-decoration: none;
  transition: transform 0.15s ease;
}

.post-card:hover {
  transform: translateY(-2px);
}

.post-card h2,
.post-card h3 {
  margin: 0 0 8px;
  font-size: var(--fs-md);
}

.post-card p {
  font-size: var(--fs-sm);
  color: var(--page-muted);
  margin: 0;
}

.post-card .meta {
  display: block;
  font-size: var(--fs-sm);
  color: var(--page-muted);
  margin-bottom: 6px;
}

.site-footer {
  border-top: 1px solid var(--page-rule);
  color: var(--page-muted);
  font-size: var(--fs-sm);
}

.site-footer a {
  color: var(--page-muted);
}

@media (prefers-reduced-motion: reduce) {
  .post-card {
    transition: none;
  }
}