/* css/style.css — blog & shared page component styles
   Tokens, reset, and site-wide nav from /css/hub.css
   ============================================================ */

/* ============================================================
   The Astigmatic Actuary — Shared Stylesheet
   Editorial blog · Newsreader + Inter · Warm teal palette
   ============================================================ */

/* --- Base --- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  background: var(--bg);
  color: var(--text-primary);
  transition: background 0.3s ease, color 0.3s ease;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.15; }
p, li, figcaption { text-wrap: pretty; }
button { cursor: pointer; background: none; border: none; }

a, button, [role="button"], input, textarea, select {
  transition: color var(--transition-fast),
              background var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

::selection {
  background: rgba(14, 116, 144, 0.2);
  color: var(--text-primary);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

/* ============================================================
   HERO (Homepage)
   ============================================================ */
.hero {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-20) var(--space-6) var(--space-12);
  text-align: center;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: var(--space-3);
  text-wrap: balance;
}

.hero .tagline {
  font-family: var(--font-display);
  font-size: clamp(1.0625rem, 0.95rem + 0.5vw, 1.3125rem);
  font-style: italic;
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto;
}

.hero-rule {
  width: 48px;
  height: 2px;
  background: var(--accent);
  border: none;
  margin: var(--space-10) auto 0;
}

/* ============================================================
   BIO BLURB (Homepage)
   ============================================================ */
.bio-blurb {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6) var(--space-4);
  text-align: center;
}

.bio-blurb p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ============================================================
   POSTS SECTION (Homepage)
   ============================================================ */
.posts-section {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-6) var(--space-20);
}

.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: var(--space-6);
}

/* ============================================================
   POST CARD
   ============================================================ */
.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.3s ease;
}

.post-card + .post-card {
  margin-top: var(--space-6);
}

.post-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 12px rgba(14, 116, 144, 0.08);
}

.post-meta {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: var(--space-2);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.post-meta span + span::before {
  content: "·";
  margin-right: var(--space-1);
}

.post-card h2 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.1rem + 0.75vw, 1.625rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.3;
  margin-bottom: var(--space-2);
}

.post-card h2 a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.post-card h2 a:hover {
  color: var(--accent);
}

.post-subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}

.post-excerpt {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-5);
}

.read-more {
  font-size: var(--text-sm);
  font-weight: 550;
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: gap 0.2s ease;
  min-height: 44px;
}

.read-more:hover {
  gap: var(--space-2);
}

.read-more svg {
  transition: transform 0.2s ease;
}

.read-more:hover svg {
  transform: translateX(2px);
}

/* ============================================================
   BACK LINK (Post pages)
   ============================================================ */
.back-link {
  max-width: var(--content-narrow);
  margin: 0 auto;
  padding: var(--space-6) var(--space-6) 0;
}

.back-link a {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: color var(--transition-fast);
}

.back-link a:hover {
  color: var(--accent);
}

/* ============================================================
   ARTICLE HEADER (Post pages)
   ============================================================ */
.article-header {
  max-width: var(--content-narrow);
  margin: 0 auto;
  padding: var(--space-10) var(--space-6) 0;
  text-align: center;
}

.article-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 1.2rem + 2.5vw, 2.75rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: var(--space-3);
  text-wrap: balance;
}

.article-subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1rem, 0.9rem + 0.5vw, 1.1875rem);
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 540px;
  margin: 0 auto var(--space-5);
}

.article-meta {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: 0;
}

.article-meta span + span::before {
  content: "·";
  margin: 0 var(--space-1);
}

.article-rule {
  width: 48px;
  height: 2px;
  background: var(--accent);
  border: none;
  margin: var(--space-8) auto;
}

/* ============================================================
   PROSE (Articles & Resources about section)
   ============================================================ */
.prose {
  max-width: var(--content-prose);
  margin: 0 auto;
  padding: 0 var(--space-6) var(--space-12);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text-primary);
  overflow-wrap: break-word;
}

.prose p {
  margin-bottom: var(--space-6);
}

.post-figure {
  margin: var(--space-8) 0;
}

.post-figure picture,
.post-figure img {
  width: 100%;
  border-radius: var(--radius-md, 8px);
  border: 1px solid var(--border, rgba(0,0,0,0.08));
}

.post-figure figcaption {
  margin-top: var(--space-3);
  font-size: 0.875rem;
  color: var(--text-secondary, var(--text-dim, #666));
  text-align: center;
}

.prose h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  line-height: 1.3;
}

.prose h3 {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 600;
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.prose a:hover {
  color: var(--accent-hover);
}

.prose em {
  font-style: italic;
}

.prose strong {
  font-weight: 600;
}

.prose blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.125rem 0 0.125rem var(--space-5);
  margin: 1.75rem 0;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.65;
}

.prose .callout {
  background: var(--callout-bg);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  margin: var(--space-8) 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  transition: background 0.3s ease;
}

.prose hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: var(--space-10) 0;
}

/* ============================================================
   DISCUSS CTA (Post pages)
   ============================================================ */
.discuss-cta {
  max-width: var(--content-prose);
  margin: 0 auto var(--space-12);
  padding: 0 var(--space-6);
}

.discuss-cta-inner {
  background: var(--callout-bg);
  border-radius: var(--radius-lg);
  padding: 1.75rem var(--space-8);
  text-align: center;
  transition: background 0.3s ease;
}

.discuss-cta-inner p {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 450;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.discuss-cta-inner .subtitle {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.discuss-cta-inner a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  padding: 0.625rem 1.375rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.discuss-cta-inner a:hover {
  background: var(--accent-hover);
}

/* ============================================================
   PAGE HEADER (Resources page)
   ============================================================ */
.page-header {
  max-width: var(--content-narrow);
  margin: 0 auto;
  padding: var(--space-10) var(--space-6) 0;
  text-align: center;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 1.2rem + 2.5vw, 2.75rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: var(--space-3);
}

.page-subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1rem, 0.9rem + 0.5vw, 1.1875rem);
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 540px;
  margin: 0 auto;
}

.page-rule {
  width: 48px;
  height: 2px;
  background: var(--accent);
  border: none;
  margin: var(--space-8) auto;
}

/* ============================================================
   RESOURCES PAGE — Prose (About) container
   ============================================================ */
.prose-container {
  max-width: var(--content-narrow);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* Resources page uses Newsreader for the about prose */
.prose-about {
  font-family: var(--font-display);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  line-height: 1.75;
  color: var(--text-primary);
}

.prose-about p {
  margin-bottom: var(--space-6);
}

.prose-about h2 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-top: 2.25rem;
  margin-bottom: 0.875rem;
  color: var(--text-primary);
}

.prose-about a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent);
  text-underline-offset: 2px;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

.prose-about a:hover {
  color: var(--accent-hover);
  text-decoration-color: var(--accent-hover);
}

/* Section Divider */
.section-divider {
  width: 48px;
  height: 2px;
  background: var(--accent);
  border: none;
  margin: var(--space-10) auto;
}

/* ============================================================
   RESOURCES GRID
   ============================================================ */
.resources-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-6) var(--space-12);
}

.resources-intro {
  max-width: var(--content-prose);
  margin: 0 auto var(--space-10);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text-secondary);
  text-align: center;
}

.resource-section {
  margin-bottom: 2.75rem;
}

.section-heading {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-1);
  line-height: 1.3;
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.section-heading .section-icon {
  width: 22px;
  min-width: 22px;
  height: 22px;
  max-height: 22px;
  flex-shrink: 0;
  color: var(--accent);
  display: inline-block;
}

.section-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: 1.125rem;
  line-height: 1.5;
}

.link-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.resource-link {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-primary);
  transition: background 0.15s ease;
  border: 1px solid transparent;
}

.resource-link:hover {
  background: var(--bg-card);
  border-color: var(--border);
}

.resource-link .link-title {
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.4;
  flex: 1;
}

.resource-link .link-domain {
  font-size: var(--text-xs);
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.resource-link .link-arrow {
  color: var(--text-muted);
  flex-shrink: 0;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.resource-link:hover .link-arrow {
  opacity: 1;
  transform: translateX(0);
}

.resource-link:hover .link-title {
  color: var(--accent);
}

/* Book Grid */
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-3);
}

.book-card {
  padding: 0.875rem var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.book-card:hover {
  border-color: var(--accent);
}

.book-title {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--space-1);
}

.book-author {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.book-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.125rem var(--space-2);
  border-radius: 4px;
  background: var(--tag-bg);
  color: var(--tag-text);
  margin-top: var(--space-2);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--space-10) var(--space-6);
  text-align: center;
  transition: border-color 0.3s ease;
}

.footer-inner {
  max-width: 720px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 450;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  min-height: 44px;
  padding: var(--space-2) 0;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-links a svg {
  display: inline;
}

.footer-disclaimer {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================================
   MOBILE RESPONSIVE
   ============================================================ */
@media (max-width: 640px) {
  .hero {
    padding: var(--space-12) var(--space-4) var(--space-8);
  }

  .posts-section {
    padding: var(--space-2) var(--space-4) var(--space-12);
  }

  .post-card {
    padding: var(--space-6);
  }

  .article-header {
    padding: var(--space-6) var(--space-4) 0;
  }

  .back-link {
    padding: var(--space-4) var(--space-4) 0;
  }

  .prose {
    padding: 0 var(--space-4) var(--space-8);
    font-size: 1rem;
  }

  .discuss-cta {
    padding: 0 var(--space-4);
  }

  .page-header {
    padding: var(--space-6) var(--space-4) 0;
  }

  .prose-container {
    padding: 0 var(--space-4);
  }

  .resources-container {
    padding: 0 var(--space-4) var(--space-8);
  }

  .book-grid {
    grid-template-columns: 1fr;
  }

  .bio-blurb {
    padding: var(--space-6) var(--space-4) var(--space-2);
  }

  /* Resource links: stack domain below title on mobile to avoid crowding */
  .resource-link {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    min-height: 44px;
    padding: var(--space-3) var(--space-3);
  }

  .resource-link .link-domain {
    white-space: normal;
    font-size: 0.6875rem;
  }

  .resource-link .link-arrow {
    display: none;
  }
}

/* Wry AI-origin disclaimer, sits in bio blurb */
.ai-disclaimer {
  margin-top: var(--space-2);
  font-size: 0.875rem;
  color: var(--color-text-muted, #6b7280);
  opacity: 0.8;
}

/* AI-Gen transparency badge in header brand: blue outline, gradient text */
.ai-gen-badge {
  display: inline-flex;
  align-items: center;
  margin-left: 0.5rem;
  padding: 2px 8px;
  background: transparent;
  border: 1px solid #0a3d5c;
  border-radius: 999px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.5;
  white-space: nowrap;
  vertical-align: middle;
  /* Gemini-style gradient text */
  background-image: linear-gradient(90deg, #1a73e8 0%, #7b5bff 50%, #0a3d5c 100%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
          color: transparent;
}
[data-theme="dark"] .ai-gen-badge {
  border-color: #3a8bbf;
  background-image: linear-gradient(90deg, #4ea3ff 0%, #a98bff 50%, #3a8bbf 100%);
  -webkit-background-clip: text;
          background-clip: text;
}
@media (max-width: 480px) {
  .ai-gen-badge {
    font-size: 0.5625rem;
    padding: 1px 7px;
    margin-left: 0.375rem;
  }
}